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Publication numberCN102480751 B
Publication typeGrant
Application numberCN 201110383907
Publication date27 Apr 2016
Filing date28 Nov 2011
Priority date29 Nov 2010
Also published asCA2815376A1, CN102480751A, EP2647238A2, EP2647238A4, US8737244, US20120134280, WO2012074900A2, WO2012074900A3
Publication number201110383907.7, CN 102480751 B, CN 102480751B, CN 201110383907, CN-B-102480751, CN102480751 B, CN102480751B, CN201110383907, CN201110383907.7
Inventors埃里克·达雷尔·罗特伏德, 凯利·迈克尔·奥什, 丹尼尔·克利福德·卡尔森, 荻奥多·亨利·施奈尔, 约瑟夫·奇特拉诺三世
Applicant罗斯蒙特公司
Export CitationBiBTeX, EndNote, RefMan
External Links: SIPO, Espacenet
无线传感器网络接入点和设备rf频谱分析系统及方法 Wireless sensor network access points and devices rf spectrum analysis system and method translated from Chinese
CN 102480751 B
Abstract  translated from Chinese
用于测量和分析无线现场设备网格网络附近和内部的射频功率的系统。 Used to measure and analyze wireless mesh network near field devices and internal RF power systems. 中央软件模块(CSWM)收集和分析来自无线现场设备网格网络的一个或多个无线设备的、代表对分配的RF信道上的接收RF功率的测量结果的值以及代表接收RF功率的对应的测量时间的值。 Central software modules (CSWM) collection and analysis of one or more wireless device from the wireless mesh network of field devices, measurement value representative of the assigned RF channel of the received RF power and representatives of the corresponding measuring the received RF power the value of time. 每个无线设备在与导致无线设备发射肯定确认信号或者否定确认信号的信号的接收期间不同的时间测量分配的RF信道上的接收RF功率。 Each wireless device receiving the RF power measured during the reception and distribution of lead in the wireless device transmitting an acknowledgment signal or negative acknowledgment signal is a signal of the RF channels at different times. 根据存储的接收RF功率的测量结果和对应的测量时间来确定代表接收RF功率的测量结果和接收RF功率的对应的测量时间的值,然后将其丢弃。 To determine the value corresponding to the measured time measurement representative of the received RF power and the received RF power from the measurement results are stored received RF power and the corresponding measurement time, and then discarded. 在成功报告这些值之前,这些值都存储在无线设备内。 Before reporting the success of these values, these values are stored in the wireless device. 网络管理器协调无线设备之间的通信,并且同步整个无线现场设备网格网络中的接收RF功率的对应的测量时间。 Network manager coordinating communications between wireless devices, the wireless field device and to synchronize the entire mesh network corresponding to the received RF power measurement time.
Claims(38)  translated from Chinese
1. 一种用于测量和分析无线现场设备网格网络附近和内部的射频RF干扰的方法,所述方法包括: 协调RF信道分配,并协调和同步测量时间;其中网络管理器在整个所述无线现场设备网格网络内协调RF信道分配并协调和同步测量时间; 利用构成所述无线现场设备网格网络的多个无线设备中的至少一个无线设备来测量所分配的RF信道上的接收RF功率; 如果对所分配的RF信道上的RF功率的测量不是在导致所述多个无线设备中的所述至少一个无线设备发射肯定确认信号和否定确认信号之一的信号的接收期间执行的,则在所述多个无线设备中的所述至少一个无线设备内存储在所分配的RF信道上测量的接收RF功率的测量结果以及对应的测量时间; 在所述多个无线设备中的所述至少一个无线设备内,根据所存储的RF功率的测量结果和所存储的对应的测量时间,确定代表在所分配的RF信道上的接收RF功率的测量结果的值和代表对应的测量时间的值; 在根据所存储的接收RF功率的测量结果和所存储的对应的测量时间,确定代表在所分配的RF信道上的接收RF功率的测量结果的值和代表对应的测量时间的值之后,丢弃在所述多个无线设备中的所述至少一个无线设备内存储的接收RF功率的测量结果和对应的测量时间; 从所述多个无线设备中的所述至少一个无线设备向中央软件模块CSWM报告代表在所分配的RF信道上的接收RF功率的测量结果的值和代表对应的测量时间的值; 在所述多个无线设备中的所述至少一个无线设备处接收确认代表在所分配的RF信道上的接收RF功率的测量结果的值和代表对应的测量时间的值已成功报告的信号;以及在接收到所述确认代表在所分配的RF信道上的接收RF功率的测量结果的值和代表对应的测量时间的值已成功报告的信号时,在所述多个无线设备中的所述至少一个无线设备内丢弃代表在所分配的RF信道上的接收RF功率的测量结果的值和代表对应的测量时间的值。 1. A method for measurement and analysis of wireless mesh networks nearby field devices and internal radio frequency RF interference, the method comprising: coordinating RF channel allocation, and to coordinate and synchronize the measuring time; wherein the network manager in the whole coordination within the field device wireless mesh network RF channel assignment and coordinating and synchronizing the measurement time; at least one wireless device to measure the received RF RF channels allocated using the wireless field device constituting a mesh network of wireless devices in a plurality of power; if the measurement of the allocated RF channels not in the RF power leads to the plurality of wireless devices in at least one of the wireless device and transmitting an acknowledgment signal during a negative acknowledgment signal of the reception signal is performed, at least one measurement within the wireless device stored in the assigned RF channel of the received RF power measurement and the measurement time corresponding to the plurality of wireless devices; the plurality of the wireless devices at least one wireless device, based on the measurement results and the stored RF power corresponding to the stored measurement time, the measurement results in determining a value representative of the allocated RF channels received RF power values and the corresponding measurement time representatives ; results of measurements based on the stored power of the received RF measurements and corresponding time is stored, after determining the representative values representing the time corresponding to the measurement result of the measurement of the allocated RF channels received RF power, discards in said plurality of wireless devices in at least one measurement within the wireless device stores the received RF power and a corresponding measurement time; from said plurality of wireless devices in at least one wireless device to the central software modules CSWM report on behalf of the values and the measured values represent a time corresponding to the measurements of the assigned RF channel receiving RF power; in said plurality of wireless devices in at least one wireless device to receive confirmation on behalf of the assigned and upon receiving said confirmation value representing the results of measurements of the assigned RF channel of the received RF power; and the representative signal values corresponding to the measurement time of the measurement result of the received RF power of the RF channel has been successfully reported and the corresponding signal value represents a measurement time has been successfully reported, discards the at least one measurement value representing the assigned RF channel within the received RF power of the wireless device in the plurality of wireless devices and representative value corresponding to the measured time.
2. 根据权利要求1所述的方法,进一步包括:在网关和主计算机中的至少一个上运行CSWM和网络管理器中的每一个。 2. A method according to claim 1, further comprising: at least one run CSWM and network manager in each of the gateway and the host computer.
3. 根据权利要求1所述的方法,其中向CSWM报告代表在所分配的RF信道上的接收RF功率的测量结果的值和代表对应的测量时间的值包括:以交错的方式通过无线现场设备网格网络传输报告。 3. The method according to claim 1, wherein the report to CSWM representative values representing the corresponding measuring time measurements of the assigned RF channel reception RF power comprises: a staggered manner by wireless field devices mesh network transmission report.
4. 根据权利要求1所述的方法,其中向CSWM报告代表在所分配的RF信道上的接收RF功率的测量结果和代表对应的测量时间的值以网络管理器可配置的频度发生。 4. The method according to claim 1, wherein the report represents CSWM to occur in the frequency distribution of the measurement result of the received RF channel and RF power measurement value represents the time corresponding to the network manager can be configured.
5. 根据权利要求1所述的方法,其中所述对应的测量时间位于下述时隙的一部分期间: 在所述时隙的所述一部分期间,调度在所分配的RF信道上的通信,并且所述多个无线设备中的所述至少一个无线设备在所述时隙期间不发射肯定确认信号或否定确认信号。 5. The method according to claim 1 wherein wherein said corresponding time measurement during a portion located in the time slot following: during the portion of the slot, the scheduler in the allocated RF communication channel, and the plurality of wireless devices in at least one of the wireless device does not transmit during said time slot acknowledgment signal or negative acknowledgment signal.
6. 根据权利要求1所述的方法,其中所述对应的测量时间是在下述时隙期间:在所述时隙期间,整个无线现场设备网格网络中没有被调度在所分配的RF信道上的任何通信。 6. The method according to claim 1, wherein, wherein the measurement time period corresponding to the time slot following: during the time slot, the entire wireless mesh network field device is not scheduled on the assigned RF channels any communication.
7. 根据权利要求1所述的方法,其中所述对应的测量时间是在下述时隙的一部分期间: 在所述时隙的所述一部分期间,整个无线现场设备网格网络中没有被调度在任何RF信道上的任何通ig。 7. The method according to claim 1, wherein, wherein the measurement time period corresponding to a part of the time slot following: during the portion of the timeslot, the field devices throughout the wireless mesh network is not scheduled in any through ig any RF channel.
8. 根据权利要求1所述的方法,其中所述确认代表在所分配的RF信道上的接收RF功率的测量结果的值和代表对应的测量时间的值已成功报告的信号源自相邻节点和所述CSWM 中的至少一个。 8. The method according to claim 1, wherein the acknowledgment signal is representative of the values representing the time corresponding to the measurement result of the measurement of the allocated RF channel has been successfully received RF power reported from the neighboring node and a CSWM in the least.
9. 根据权利要求1所述的方法,还包括:在多点梯度图上显示代表在所分配的RF信道上的接收RF功率的测量结果的值。 9. The method according to claim 1, further comprising: displaying the measurement value represents the assigned RF channel of the RF power received at a multi-gradient FIG.
10. 根据权利要求1所述的方法,还包括:在本地操作员接口上显示下述信息中的至少一个: 在所分配的RF信道上测量的接收RF功率的测量结果和对应的测量时间;以及代表在所分配的RF信道上的接收RF功率的测量结果的值。 10. The method according to claim 1, further comprising: displaying at least one of the following information on a local operator interface: measurements on the assigned RF channel measured received RF power and the corresponding measurement time; and represents the results of measurements of the allocated RF channel of the received RF power.
11. 根据权利要求1所述的方法,还包括: 在CSmi处监视所报告的代表在所分配的RF信道上的接收RF功率的测量结果的值和代表对应的测量时间的值; 当所监视的代表接收RF功率的测量结果的值中的至少一个超过预定值时,检测RF干扰;以及从CSWM生成向系统操作员和运行在主计算机上的控制或监视软件应用中的至少一个通知所述RF干扰的警报。 11. The method according to claim 1, further comprising: measuring time values and values reported in the monitoring of the CSmi representative measurements of the assigned RF channel received RF power corresponding to the representative; when the monitored representing the received RF power measurement of the value of the at least one exceeds a predetermined value, detecting RF interference; and generating from CSWM to the system operator or monitoring and control software application running on the host computer at least one notification of the RF interference alarm.
12. 根据权利要求11所述的方法,还包括: 在CSmi处,分析所报告的代表在检测到RF干扰的、所分配的RF信道上的接收RF功率的测量结果的值和代表对应的测量时间的值, 在CSWM处,根据经分析的值创建所述RF干扰的RF频谱特征图; 在CSmi处,将所述RF干扰的RF频谱特征图与多个RF频谱特征图进行比较,所述多个RF 频谱特征图中的每一个标识已知的RF干扰源; 根据经比较的RF频谱特征图来识别RF干扰源。 12. The method of claim 11, further comprising: CSmi, the analysis measurement value representative of the reported measurement results representing the detected RF interference, the assigned RF channel corresponding to the received RF power the value of time in CSWM at the RF interference created by the analysis based on the value of RF spectrum feature map; in CSmi at the RF interference RF spectrum feature map feature map with a plurality of RF spectrum by comparing the FIG plurality of RF spectral characteristics of each identified known RF interference source; according to the comparison by the feature map to identify RF spectrum RF interference source.
13. 根据权利要求11所述的方法,还包括: 在CSmi处,分析所报告的代表在检测到RF干扰的、所分配的RF信道上的接收RF功率的测量结果的值和代表对应的测量时间的值, 在CSWM处,根据经分析的值确定RF干扰的时间图样; 在CSmi处,将所述RF干扰的时间图样与多个RF时间图样进行比较,所述多个RF时间图样中的每一个标识已知的RF干扰源; 根据经比较的RF时间图样来识别RF干扰源。 13. The method of claim 11, further comprising: CSmi, the analysis measurement value representative of the reported measurement results representing the detected RF interference, the assigned RF channel corresponding to the received RF power the value of time in CSWM at determining RF interference based on the value of the time pattern of the analyzed; in CSmi at the time of the RF interference pattern with a plurality of RF design time by comparing the time pattern of the plurality of RF each RF interference source identified known; according to the time pattern of compared RF RF interference source identified.
14. 根据权利要求1所述的方法,其中确定代表在所分配的RF信道上的接收RF功率的测量结果的值包括:在所述多个无线设备中的所述至少一个无线设备内计算所存储的接收RF 功率的测量结果和所存储的对应的测量时间的统计值,其中计算统计值包括:计算所存储的接收RF功率的测量结果的最大值、最小值、平均值、标准偏差值和方差值中的至少一个。 14. The method according to claim 1, wherein the determining the representative value of the measurement results of the assigned RF channel of the received RF power comprising: at least one wireless device in the calculation of said plurality of wireless devices statistical values corresponding to the measurement time of storage of the received RF power measurements and stored, wherein the statistics calculated include: maximum value calculated for the current measurement result of the received RF power, minimum, mean, standard deviation, and a variance value at least.
15. 根据权利要求14所述的方法,还包括: 在csmi处,比较来自所述多个无线设备中的至少两个无线设备的、针对所分配的RF信道的、所计算的统计值和对应的测量时间,其中所述多个无线设备中的所述至少两个无线设备位于CSWM已知的位置处; 在CSWM处,根据经比较的所计算的统计值和时间并且根据所述多个无线设备中的所述至少两个无线设备的已知位置来确定所分配的RF信道上的RF干扰源的两个可能位置; 在CSWM处,比较所分配的RF信道上的RF干扰源的两个可能位置的非RF干扰特性,以确定所述RF干扰源的位置;以及向系统操作员和运行在主计算机上的控制或监视软件应用中的至少一个报告所述RF 干扰源的位置。 15. The method according to claim 14, further comprising: at csmi, from comparing the plurality of wireless devices in at least two wireless devices, for the assigned RF channel, the calculated values and corresponding statistical measuring time, wherein the plurality of wireless devices in the at least two wireless devices located at CSWM known; CSWM in place, based on the statistical value and the time to compare the calculated and based on the plurality of wireless in two of the CSWM, comparing the assigned RF channel RF interference source; device known positions of the at least two wireless devices to determine the two possible positions of RF interference source RF channels allocated possible non-RF interference characteristics of the location, to determine the location of the RF interference source; and a control or monitoring system operator to run on the host computer and software applications at least one report the location of the RF interference source.
16. 根据权利要求14所述的方法,还包括: 在csmi处,比较来自所述多个无线设备中的至少三个无线设备的、针对所分配的RF信道的、所计算的统计值和对应的测量时间,其中所述多个无线设备中的所述至少三个无线设备位于CSWM已知的位置处; 在CSWM处,根据经比较的所计算的统计值和时间并且根据所述多个无线设备中的所述至少三个无线设备的已知位置来确定所分配的RF信道上的RF干扰源的位置;以及向系统操作员和运行在主计算机上的控制或监视软件应用中的至少一个报告所述RF 干扰源的位置。 16. The method according to claim 14, further comprising: at csmi, comparing the plurality of wireless devices from at least three of the wireless device for the assigned RF channel, the calculated values and corresponding statistical measuring time, wherein the plurality of wireless devices in at least three of the wireless device located at CSWM known; CSWM in place, based on the statistical value and the time to compare the calculated and based on the plurality of wireless the device of the at least three known locations of wireless devices to determine the location of RF interference source assigned RF channel; and the system operator and run at least one control or monitoring software application on the host computer in the reports said RF interference source location.
17. 根据权利要求16所述的方法,其中所述多个无线设备中的所述至少三个无线设备的位置是固定位置。 17. The method according to claim 16, wherein at least the position of said plurality of wireless devices in the wireless device are three fixed positions.
18. -种用于测量和分析无线现场设备网格网络附近和内部的射频RF干扰的系统,所述系统包括: 中央软件模块CSWM,用于收集和分析代表在分配的RF信道上的接收RF功率的测量结果的值以及代表接收RF功率的对应的测量时间的值; 多个无线设备,每个无线设备测量分配的RF信道上的接收RF功率和对应的测量时间; 如果对接收RF功率的测量不是在导致无线设备发射肯定确认信号和否定确认信号之一的信号的接收期间执行的,则存储所述接收RF功率的测量结果;利用所存储的接收RF功率的测量结果和对应的测量时间来确定针对所分配的RF信道的代表接收RF功率的测量结果的值和代表对应的测量时间的值;其中所存储的接收RF功率的测量结果和对应的测量时间被存储在所述无线设备中,直到确定了针对所分配的RF信道的代表接收RF功率的测量结果的值和代表对应的测量时间的值;其中代表接收RF功率的测量结果的值和代表对应的测量时间的值被存储在所述无线设备中,直到接收到确认来自所述无线设备的代表所分配的RF信道上的接收RF功率的测量结果的值和代表接收RF功率的对应的测量时间的值已成功报告的信号;以及网络管理器,用于协调所述多个无线设备之间的通信,协调RF信道分配,以及协调和同步整个无线现场设备网格网络中的对应的测量时间。 18. - kind of measurement and analysis systems for wireless mesh networks nearby field devices and internal radio frequency RF interference, the system comprising: a central software module CSWM, for collecting and analyzing the distribution of the representative of the received RF RF channel the results of measurement and power measurement values representative of time corresponding to the received RF power; a plurality of wireless devices, each wireless device measures the received RF channel assignment and RF power corresponding to the measurement time; If the received RF power measurements are not received during the execution result in the wireless device transmitting an acknowledgment signal in one acknowledgment signal and a negative signal, the storing of the received RF power measurement; measurements using the stored power of the received RF measurements and corresponding time to determine the value representing the corresponding measurement time received RF power for the representative assigned RF channel measurements; measurements stored therein the received RF power and the corresponding measurement time are stored in the wireless device until it is determined the value representing the corresponding measurement time received RF power for the representative assigned RF channel measurements; wherein the value represents the measured results of the reception RF power values and the representatives of the corresponding measurement time are stored in the wireless device until receiving confirmation value representing the measurement results from the wireless device on behalf of the allocated RF channel reception reception RF power measurement time corresponding to the RF power has been successfully reported signal; and a network manager for coordinating the plurality of communication, coordination RF channel allocation between wireless devices, as well as coordinating and synchronizing the entire wireless mesh network field device corresponding to the measurement time.
19. 根据权利要求18所述的系统,其中每个无线设备在所述接收RF功率的测量结果是在预定的RF功率测量范围内时存储所述接收RF功率的测量结果。 19. The system of claim 18, wherein each of the wireless devices in the measurement result of the received RF power is stored when the received RF power measurements within a predetermined range of RF power measurements.
20. 根据权利要求18所述的系统,其中每个无线设备以下述方式向CSWM提供代表接收RF功率的测量结果的值和代表对应的测量时间的值以及所分配的RF信道:以由网络管理器协调的交错方式通过无线现场设备网格网络传输报告。 20. The system of claim 18, wherein each wireless device in the following manner providing measurements representative of the received RF power values and the measured value representative of the time and the corresponding RF channels assigned to CSWM: In the network management coordinate staggered manner over the wireless field device network transmission grid report.
21. 根据权利要求18所述的系统,其中每个无线设备以网络管理器可配置的频度向CSWM提供代表接收RF功率的测量结果的值和代表对应的测量时间的值以及所分配的RF信道。 21. The system of claim 18, wherein the frequency of each wireless device to the network manager can be configured to provide a value representing the time corresponding to the measurement representative of the received RF power measurement result and assigned to the RF CSWM channel.
22. 根据权利要求18所述的系统,其中每个无线设备在所述接收RF功率的测量结果是在下述时隙的一部分期间执行的情况下存储所述测量结果:在所述时隙的所述一部分期间,调度在所分配的RF信道上的通信,并且所述无线设备在所述时隙期间不发射肯定确认信号或否定确认信号。 22. The system of claim 18, wherein each of said wireless device stored in the case of measuring the measurement result of the reception of the RF power during a portion of the following time slot is performed Results: In the slot during the said part of the scheduling in the assigned RF channel of communication, and the wireless device does not transmit a negative acknowledgment signal or the acknowledgment signal during the time slot.
23. 根据权利要求18所述的系统,其中每个无线设备在所述接收RF功率的测量结果是在下述时隙期间执行的情况下存储所述测量结果:在所述时隙期间,整个无线现场设备网格网络中没有被调度在所分配的RF信道上的任何通信。 23. A system according to claim 18, wherein each of the wireless devices in the measurement result of the received RF power is stored in the measurement performed under the following conditions during the time slot: during the time slot, the entire wireless field devices in the mesh network is not scheduled any communication on the assigned RF channels.
24. 根据权利要求18所述的系统,其中每个无线设备在所述接收RF功率的测量结果是在下述时隙的一部分期间执行的情况下存储所述测量结果:在所述时隙的所述一部分期间,整个无线现场设备网格网络中没有被调度在任何RF信道上的任何通信。 24. The system of claim 18, wherein each of said wireless device stored in the case of measuring the measurement result of the reception of the RF power during a portion of the following time slot is performed Results: In the slot during the said part of the entire wireless mesh network field device is not scheduled any communication in any RF channel.
25. 根据权利要求18所述的系统,其中网络管理器协调整个无线现场设备网格网络的对应的测量时间,使得对应的测量时间是在下述中的至少一个期间: 第一时隙的一部分,在所述第一时隙的所述一部分期间,调度所分配的RF信道上的通信,并且所述无线设备在所述第一时隙期间不发射肯定确认信号或否定确认信号; 第二时隙,在所述第二时隙期间,整个无线现场设备网格网络中没有被调度在所分配的RF信道上的任何通信; 第三时隙的一部分,在所述第三时隙的所述一部分期间,整个无线现场设备网格网络中没有被调度在任何RF信道上的任何通信。 25. The system of claim 18, wherein the network manager to coordinate corresponding to the measurement time of the entire wireless mesh network of field devices, so that the corresponding time is measured during at least one of: a portion of the first slot, , during a portion of the communication of the scheduling of the first slot assigned RF channel, and the wireless device does not transmit a negative acknowledgment signal or the acknowledgment signal during said first time slot; the second slot portion of the third slot, the time slot of the third part; any communication, during the second time slot, the entire wireless mesh network field device is not scheduled on the assigned RF channels during the entire field device wireless mesh network is not scheduled any communication in any RF channel.
26. 根据权利要求18所述的系统,其中网络管理器协调整个无线现场设备网格网络的对应的测量时间,使得对应的测量时间是在下述中的至少一个期间: 第一时隙的第一部分,其中在所述第一时隙的所述第一部分期间,整个无线现场设备网格网络中没有被调度在任何RF信道上的任何通信; 第一时隙的第二部分,在所述第一时隙的所述第二部分期间,调度所分配的RF信道上的通信,并且所述无线设备在所述第一时隙期间不发射肯定确认信号或否定确认信号; 第二时隙,在所述第二时隙期间,整个无线现场设备网格网络中没有被调度在所分配的RF信道上的任何通信。 26. The system of claim 18, wherein the network manager to coordinate corresponding to the measurement time of the entire wireless mesh network of field devices, so that the corresponding time is measured during at least one of: a first portion of a first time slot , wherein during said first portion of said first time slot, the entire wireless mesh network field device is not scheduled any communication at any RF channel; the second portion of the first slot in the first during the second portion of the time slot, communication scheduling allocated RF channels, and the wireless device does not transmit a negative acknowledgment signal or the acknowledgment signal during said first time slot; second time slot, in the during the second time slot, the entire wireless mesh network field device is not scheduled any communication on the assigned RF channels.
27. 根据权利要求18所述的系统,其中所述确认来自无线设备的代表在所分配的RF信道上的接收RF功率的测量结果的值和代表对应的接收RF功率的测量时间的值已成功报告的信号源自相邻节点和所述CSWM中的至少一个。 27. The system of claim 18, wherein the acknowledgment from the wireless device on behalf of the value in which the measurement results representing the assigned RF channel corresponding to the received RF power of the RF power received measurement time has succeeded the report signals derived from at least one of the adjacent nodes and the CSWM.
28. 根据权利要求18所述的系统,其中所述多个无线设备中的至少一个无线设备还包括本地操作员接口,所述本地操作员接口能够显示下述信息中的至少一个: 在所分配的RF信道上测量的接收RF功率的测量结果和对应的测量时间;以及代表在所分配的RF信道上的接收RF功率的测量结果的值。 28. The system of claim 18, wherein the plurality of wireless devices in a wireless device further comprises at least one local operator interface, said local operator interface capable of displaying information in at least one of the following: the assigned RF channel measurements received RF power measurement and the corresponding measurement time; and a representative value of the measurement results assigned RF channel of the received RF power.
29. 根据权利要求18所述的系统,还包括手持无线设备,所述手持无线设备在用户选择的RF信道上测量接收RF功率和对应的测量时间,其中对所选择的RF信道上的RF功率的测量不是在导致所述手持无线设备发射肯定确认信号和否定确认信号之一的信号的接收期间执行的;其中所述网络管理器协调所述多个无线设备和所述手持无线设备之间的通信,并且协调和同步所述手持无线设备的对应的测量时间。 29. The system of claim 18, further comprising a wireless handheld device, the handheld wireless device and the power measurement of the received RF measurement time corresponding RF channel selected by the user, wherein the selected RF channels of the RF power measuring not cause the handheld wireless device and transmitting an acknowledgment signal is negated during execution of one of the signals received acknowledgment signal; wherein said coordinating the network manager of said plurality of wireless devices and handheld wireless devices communications, and coordinating and synchronizing the handheld wireless device corresponding to the measurement time.
30. 根据权利要求18所述的系统,其中CSWM和网络管理器中的每一个运行在网关和主计算机中的至少一个上。 30. The system of claim 18, wherein the CSWM and network manager in each of the host computer running the gateway and at least one on.
31. 根据权利要求30所述的系统,其中CSWM命令网关和主计算机中的至少一个在多点梯度图上显示代表在所分配的RF信道上的接收RF功率的测量结果的值。 31. The system of claim 30, wherein the CSWM command gateway and a host computer at least one measurement value assigned RF channel received RF power in the multi-gradient map display representative.
32. 根据权利要求18所述的系统,其中CSWM: 监视代表在所分配的RF信道上的接收RF功率的测量结果的值; 当所监视的值中的至少一个超过预定值时,检测RF干扰;以及生成向系统操作员和运行在主计算机上的控制或监视软件应用中的至少一个通知所述RF干扰的警报。 32. The system of claim 18, wherein CSWM: monitoring the results of measurements representative value assigned RF channel of the received RF power; when the value of the monitored at least one exceeds a predetermined value, RF interference detection; and generating the system operator and operational control or monitoring software application on the host computer in the RF interference alerts at least one notification.
33. 根据权利要求32所述的系统,其中CSWM还: 分析代表在检测到RF干扰的、所分配的RF信道上的接收RF功率的测量结果的值, 根据经分析的值创建所述RF干扰的RF频谱特征图; 将所述RF频谱特征图与多个RF频谱特征图进行比较,所述多个RF频谱特征图中的每一个标识已知的RF干扰源;以及根据经比较的RF频谱特征图来识别RF干扰源。 33. The system of claim 32, wherein the further CSWM: analysis value represents the measurement result of RF interference is detected, the assigned RF channel of the received RF power of the RF interference created based on the analyzed value RF spectrum characteristic diagram; FIG wherein said plurality of RF spectrum RF spectrum characteristic diagram comparing characteristics of said plurality of RF spectrum diagram of each RF interference source is known identity; and by comparison of the RF spectrum in accordance with feature maps to identify sources of RF interference.
34. 根据权利要求32所述的系统,其中CSWM还: 分析代表在检测到RF干扰的、所分配的RF信道上的接收RF功率的测量结果的值和代表对应的测量时间的值, 根据经分析的值确定RF干扰的时间图样; 将所述RF干扰的时间图样与多个RF时间图样进行比较,所述多个RF时间图样中的每一个标识已知的RF干扰源; 根据经比较的RF时间图样来识别RF干扰源。 34. The system of claim 32, wherein the further CSWM: Analysis Values are representative of corresponding measuring time represents the measurement results of RF interference detected, the assigned RF channel received RF power that under the value determines the time pattern of RF interference analysis; the RF interference pattern with a plurality of RF time to time patterns are compared, the time pattern of the plurality of RF identification of each known RF interference source; according to the comparison by RF time pattern to identify sources of RF interference.
35. 根据权利要求18所述的系统,其中所述每个无线设备确定的代表接收RF功率的测量结果的值是针对所分配的RF信道的统计值,其中所述统计值包括:最大值、最小值、平均值、标准偏差值和方差值中的至少一个。 35. A system according to claim 18, wherein the value of each wireless device representing the received RF power determines the statistical value of measurement results for the assigned RF channel, wherein the statistical value comprises: a maximum value, minimum value, a mean value, variance and standard deviation of at least.
36. 根据权利要求35所述的系统,其中CSWM: 比较来自所述多个无线设备中的至少两个无线设备的、针对所分配的RF信道的所述统计值和对应的测量时间,其中所述多个无线设备中的所述至少两个无线设备位于CSWM已知的位置处; 根据经比较的统计值和时间并且根据所述多个无线设备中的所述至少两个无线设备的已知位置,来确定所分配的RF信道上的RF干扰源的两个可能位置; 比较所分配的RF信道上的RF干扰源的两个可能位置的非RF干扰特性,以确定所述RF干扰源的位置;以及向系统操作员和运行在主计算机上的控制或监视软件应用中的至少一个报告所述RF 干扰源的位置。 36. The system of claim 35, wherein CSWM: comparing the plurality of wireless devices from at least two wireless devices, the statistical value and the corresponding measurement time for the assigned RF channel, wherein said plurality of wireless devices in at least two of said wireless device located at CSWM known; statistical value based on the comparison and the time, and by at least two known wireless device based on the plurality of wireless devices in the position to determine the assigned RF channel RF interference sources two possible positions; RF comparing the assigned RF channel RF interference characteristics of the non-interference of two possible positions of the source to determine the source of RF interference and the location and operation of the control system operator or monitoring software application on the host computer at least a report to the RF interference source; position.
37. 根据权利要求35所述的系统,其中CSWM还: 比较来自所述多个无线设备中的至少三个无线设备的、针对所分配的RF信道的所述统计值和对应的测量时间,其中所述多个无线设备中的所述至少三个无线设备位于CSWM已知的位置处; 根据经比较的统计值和时间并且根据所述多个无线设备中的所述至少三个无线设备的已知位置来确定所分配的RF信道上的RF干扰源的位置;以及向系统操作员和运行在主计算机上的控制或监视软件应用中的至少一个报告所述RF 干扰源的位置。 37. The system of claim 35, wherein the further CSWM: comparing the plurality of wireless devices from at least three of the wireless device, the statistical value and the corresponding measurement time for the assigned RF channel, wherein the plurality of wireless devices in at least three of the wireless device is located at a known CSWM; statistical value based on the comparison and the time, and by the plurality of wireless devices in accordance with the wireless device has at least three known location to determine the location of RF interference source assigned RF channel; and a control system operator and to run on a host computer or monitoring software applications in at least one report the location of the RF interference source.
38.根据权利要求37所述的系统,其中所述CSmi已知的多个无线设备中的所述至少三个无线设备的位置是固定位置。 38. The system of claim 37, wherein said plurality of wireless devices CSmi known in the position of at least three of said wireless device is a fixed position.
Description  translated from Chinese
无线传感器网络接入点和设备RF频谱分析系统及方法 Wireless sensor network access points and devices RF spectrum analysis system and method

技术领域 TECHNICAL FIELD

[0001] 本发明一般地设及无线网络,W及更具体地设及测量和分析在无线现场设备网格网络附近和内部的射频(R巧干扰。 [0001] The present invention generally provided and Wi-Fi, W, and more specifically, and measurement and analysis provided in the vicinity of the site and internal RF wireless mesh network device (R clever interference.

背景技术 Background technique

[0002] 网格网络是一种在工业应用中日益普遍的灵活的网络架构。 [0002] A mesh network is increasingly common industrial applications and flexible network architecture. 网格网络包括大量节点和网关计算机(网关),网关将高速总线连接到网格网络。 The mesh network includes a large number of nodes and a gateway computer (gateway), the gateway to the high-speed bus connection to the grid network. 网格网络通过允许同一网络内的相邻节点彼此直接通信,避免了其他网络拓扑的许多限制,从而避免了不必要的到网关的通信路由。 The mesh network by allowing the neighboring nodes on the same network to communicate directly with each other, avoiding many of the limitations of other network topology, thus avoiding unnecessary communication route to the gateway. 称为网络管理器的软件程序(通常运行在网关上)为每个节点分配多个通信路径,运些通信路径可互换W补偿瓶颈和链路故障。 The software program called Network Manager (usually running on the gateway) assign multiple communication paths for each node, run some communication path interchangeable W compensate bottlenecks and link failures. 通过允许相邻节点形成直接到目标节点的通信中继,W及通过绕过故障或瓶颈进行路由,提高了网络响应时间,同时通过最小化中继通信所需的传输数目最小化了网络功率用量。 A direct communication relay to the destination node by allowing the neighboring nodes, W, and by routing around failures or bottlenecks, improve network response time and the number required for transmission by minimizing the relay communication network minimizes power usage . 使用多个通信路径提供了路径分集,其提高了网络可靠性。 Using multiple communication paths provide the path diversity, which improves network reliability.

[0003] 无线网格网络是由W网格拓扑组织的多个无线设备(即,节点)构成的通信网络。 [0003] The wireless mesh network comprises a plurality of wireless devices (i.e., node) W constituted tissue mesh topology communications network. 在真实的无线网格网络(其也可W称为自组织多跳网络)中,每个设备必须能够路由针对其自己的消息W及针对网络中的其他设备的消息。 In a real wireless mesh network (which may also be referred to as W self-organizing multi-hop network), each device must be able to route messages for their own message for W and other network devices. 网络中的节点到节点的消息跳送化opping)的概念是有益的,因为可W使用较低功率的RF无线电装置,而且网格网络能够横跨相当大的物理区域,从一端到另一端递送消息。 The concept nodes in the network to send messages from a node hop of opping) is beneficial because W can use lower power RF radios, and mesh network can span a significant physical area, from end to end delivery news. 与利用远程设备直接与中央基站通信的点到点系统形成对比,在网格网络中不需要高功率的无线电装置。 Direct contrast with the point system to communicate with a central base station use a remote device, does not require high-power radio devices in the mesh network.

[0004] 对于针对基于传感器/致动器的应用设计的无线网络系统(诸如无线现场设备网格网络)而言,使用较低功率的无线电装置是必须的。 [0004] based on respect for the sensor / actuator wireless network system (such as a wireless field device mesh network) application design, the use of low-power radio equipment is a must. 网络中的许多设备必须本地供电,因为在不引起大的安装代价的情况下,供电设施(诸如120VAC供电设施或者供电数据总线)不位于仪器、传感器和致动器必须位于的危险位置附近、或者不允许进入仪器、传感器和致动器必须位于的危险位置。 Network Many devices must be powered locally, because without causing a large installation cost, power supply facilities (such as the 120VAC power supply facilities or supply data bus) is not near the dangerous position instruments, sensors and actuators must be located in, or are not allowed in hazardous locations instruments, sensors and actuators must be located. "本地供电"意味着由本地电源供电,诸如是便携式电化学电源(例如,长寿命的电池或者燃料电池)或者是低功率能量收集电源(例如,振动、太阳能电池,或者热电发电机)。 "Local Power" by the local power supply means, such as a portable electrochemical power sources (e.g., long-life battery or a fuel cell) or low power energy harvesting power supply (e.g., vibration, solar cells or thermoelectric generator). 本地电源的公共特性是它们的有限的功率容量,或者是如在长寿命电池的情况下存储的有限的功率容量,或者是如在热电发电机的情况下产生的有限的功率容量。 Common features of their local power is limited power capacity or power capacity is limited as in the case of long-life battery storage, or limited power capacity as in the case of a thermoelectric generator produced. 通常,低安装成本的经济需求驱动了对电池供电设备的需求,所述设备作为无线传感器网络的一部分进行通信。 Typically, low installation cost of the economic needs drive the demand for battery-powered devices, the device as part of a wireless sensor network for communication. 对受限电源(诸如不能再充电的原电池)的有效利用对于无线传感器设备的良好工作是至关重要的。 Efficient use of limited power sources (such as a primary battery can not be charged) for the good operation of the wireless sensor device is critical. 期望电池能维持五年W上,并且优选地维持与产品寿命一样长的时间。 We expect the battery to maintain the five W, and preferably maintain as long product life time.

[0005] 为了节省功率,一些无线现场设备网络协议通过仅将其收发器打开有限的时间量W侦听消息,限制任何节点或设备在任何时间段期间能够处理的业务量。 [0005] In order to save power, some wireless field device through a network protocol to the transceiver opens only a limited amount of time to listen for messages W, limiting traffic any node or device during any period of time can be processed. 因此,为了降低平均功率,该协议可W允许实现收发器在"开(ON)"和"关(OFF)"状态之间的占空因素。 Therefore, in order to reduce the average power, the protocol allows for W transceiver between "open (ON)" and "off (OFF)" status of the duty factor. 一些无线现场设备网络协议可W使用全局占空因素来节省功率,使得在同一时间整个网络都处于ON或OFF。 Some wireless network protocol, field devices using global duty factor W to save power, at the same time so that the entire network is ON or OFF. 其他协议,诸如基于时分多址TDM的协议,可W使用局部占空因素,其中在预定的时间仅链接在一起的通信节点对W同步方式被调度为打开或关闭。 Other protocols, such as TDM based on time division multiple access protocol, can use a local duty factor W, wherein a predetermined time only link together in a synchronized manner correspondent node W is scheduled to open or close. 通常,网络管理器向一对节点分配链路、W及用于通信的特定时隙、收发器将使用的RF信道、在该时刻根据需要谁将进行接收、和谁将进行发射(例如,利用RF信道跳变协议的TDMA,诸如wirelessHARTŪ)。 Typically, RF channel network manager to a specific time slot assignment link a pair of nodes, W, and for communication, the transceiver will be used, who will receive at that time according to need, and who will transmit (for example, the use of RF channel hopping protocol TDMA, such as wirelessHARTŪ). 网络管理器同步占空因素并且分配多个通信路径,从而协调节点之间的通信,生成控制信号、通信调度和数据查询W适合处境。 Network Manager to synchronize the duty factor and a plurality of communication paths assigned to coordinate communication between nodes, generates a control signal, communication and data query scheduler W for the situation.

[0006] 网格网络的形成用于设备之间的W及设备和网关之间的通信的备选路径的自组织能力提供了用于无线消息的冗余路径。 Formation [0006] The mesh network is self-organizing ability of alternative paths for communication between devices and equipment W and the gateway provides redundant paths for wireless messages. 通过确保即使其他路径受到阻塞或者由于环境影响或由于RF干扰而恶化,都存在至少一条供消息行进的备选路径,运增强了通信可靠性。 By ensuring that even if the other path is blocked or the environmental impact or due to RF interference and deteriorate, there is at least one alternative path for the message to travel, transportation enhances communication reliability. 然而,尽管具有网格网络固有的鲁棒的通信可靠性,来自未知源的RF干扰仍会使网络性能恶化。 However, despite the inherent robustness of the mesh network communication reliability, the RF interference from unknown sources would still deteriorate network performance. 由于减小的范围W及浪费能量的重传,使用备选路径绕过干扰通常导致更多跳数W使得消息去往或来自网关。 Because of the reduced range W and the retransmission energy waste, using an alternative path to bypass the interference generally results in more hops W such that messages to or from a gateway. 如果RF干扰足够严重,只要RF干扰持续,去往和来自节点的所有传输可能都被阻塞。 If RF interference is severe enough, as long as the RF interference continued, to and from all transport node may have been blocked.

[0007] RF干扰源经常本质上是间歇的和短暂的,使得它们的检测和识别很困难且耗费时间。 [0007] RF interference sources often inherently intermittent and transient, making their detection and identification is difficult and time-consuming. 实时地检测和定位RF干扰源将允许对源的快速识别和缓减,从而进一步提高网络可靠性。 Real-time to detect and locate sources of RF interference sources will allow quick identification and mitigation, to further improve network reliability. 已经提出用于监视无线通信网络(诸如蜂窝电话网络)中的干扰的系统,然而由于运些系统的相对高的功率要求,运样的系统通常不适合于无线现场设备网格网络。 It has been proposed for monitoring a wireless communication network (such as a cellular telephone network) system interference, however, due to the relatively high power requirements for the operation of these systems, a sample transport system generally unsuitable for field device wireless mesh network. RF现场调查是昂贵的,因为它们需要专用的R的受备和专口训练的人员。 RF site surveys are expensive, because by the special equipment and trained personnel they require opening a dedicated R's. 即使如此,提供的信息仅是真实RF环境的某个时间的快照,并且可能错过重要的瞬时RF干扰事件。 Even so, the information provided is only a snapshot of a real-time RF environment and may miss important transient RF interference events. 最后,由于周围的物理工厂和工厂基础设施中的持续变化,W及"工厂围墙外"出现的变化,来自现场调查的数据很快过时。 Finally, due to changes in physical plant and infrastructure around the plant in the constantly changing, W, and "factories outside the walls" appears, the data from field surveys soon become obsolete.

发明内容 SUMMARY

[0008] 本发明包括一种用于测量和分析无线现场设备网格网络附近和内部的射频(RF) 干扰的系统。 [0008] The present invention includes a system for measuring and analyzing internal RF near field wireless mesh network devices (RF) interference. 中央软件模块(CSWM)收集和分析来自无线现场设备网格网络的一个或多个无线设备的、代表在分配的RF信道上的接收RF功率的测量结果的值W及代表对应的RF功率的测量时间的值。 Central software modules (CSWM) collection and analysis of one or more wireless devices from the wireless field device mesh network, representing the value of W and represents the measured results of the allocation of the RF channel corresponding to the received RF power RF power measurement the value of time. 无线现场设备网格网络的每个无线设备测量分配的RF信道上的接收RF功率和对应的测量时间,存储在与导致无线设备后续发射肯定确认信号或者否定确认信号的信号的接收期间不同的时间进行的测量。 Each wireless device assigned to wireless field device measuring mesh network RF channel corresponding to the received RF power and the measurement time, during storage and cause subsequent wireless device transmitting an acknowledgment signal or negative acknowledgment signal, the signal received at different times measurements performed. 每个无线设备中存储的RF功率的测量结果和存储的对应的测量时间被用于确定代表RF功率的测量结果的值和代表对应的RF功率的测量时间的值,然后被丢弃。 Representative values and corresponding measurement time stored in each wireless device RF power measurements and storage is used to determine the representative of RF power measurements corresponding RF power measurement time, then discarded. 运些代表值存储在无线设备内,直到无线设备接收到确认运些代表值的成功报告的信号。 Transported some representative value stored in the wireless device, the wireless device until an acknowledgment is received into operation a success report some representative values of the signal. 网络管理器协调无线设备之间的通信,并且协调和同步整个无线现场设备网格网络中的对应的RF功率的测量时间。 Network Manager coordinating communications between wireless devices, and the coordination and synchronization of the entire wireless mesh network field devices corresponding RF power measurement time.

附图说明 BRIEF DESCRIPTION

[0009] 图1是示出本发明的用于测量和分析无线现场设备网格网络附近和内部的RF干扰的实现的示图。 [0009] FIG. 1 is a diagram showing the present invention used to measure and analyze the wireless mesh network devices near field RF interference and internal implementation shown in FIG.

[0010] 图2A-2D示出了针对发射机节点和接收机节点的时隙内的子时隙的互补安排。 [0010] FIG. 2A-2D shows the complementary arrangement for the child timeslots transmitter node and the receiver node within the.

[0011] 图3A-3C示出了针对发射机节点和接收机节点的时隙内的"寂静子时隙"的互补安排。 [0011] FIG. 3A-3C shows the complementary arrangement for the transmitter node and the receiver node slots within the "silent sub-slots" in.

[0012] 图4是示出本发明的用于测量和分析具有多个接入点的无线现场设备网格网络附近和内部的RF干扰的实现的示图,无论接入点服务的网格网络的区域是否部分重叠。 [0012] FIG. 4 is a diagram showing the measurement and analysis of wireless mesh networks nearby field devices and internal RF interference having a plurality of access points according to the present invention achieves a diagram, regardless of the mesh network service access point Are areas partially overlap.

具体实施方式 detailed description

[0013] 将在测量和分析具有网格网络拓扑的无线现场设备网络附近和内部的射频(RF) 干扰方面描述本发明。 [0013] The present invention will be described in and near the measuring and analyzing internal RF mesh network topology with a wireless field device network (RF) interference terms. 本领域技术人员将认识到,本发明同等适合于其他网络拓扑,并且不是仅限于所描述的实施例,相反,本发明将包括落在所附权利要求的范围内的所有实施例。 Those skilled in the art will recognize that the present invention is equally adapted to other network topologies, and is not limited to the embodiments described, but rather, that the invention will include all embodiments falling within the scope of the appended claims.

[0014] 本发明使用在无线设备可获得的接收RF功率测量能力来检测RF干扰源,所述无线设备诸如是那些服从IE邸802.15.4标准的无线电装置的无线设备。 [0014] The present invention is used in receiving RF power measurement capability available to the wireless device detects RF interference source, the wireless device is a wireless device such as those subject to IE Di 802.15.4 radio device. I邸E 802.15.4标准定义了用于与具有极高限制的功耗要求的固定设备、便携设备和移动设备的低数据速率的无线连接的物理层(PHY)和介质接入控制(MAC)层。 I Di E 802.15.4 standard defines the physical layer (PHY) data rate low for fixed equipment and has a very high limit power requirements of portable and mobile wireless connectivity and media access control (MAC) layer. 该极高限制的功耗要求例如是远小于蜂窝电话的功耗要求。 The high limit is much smaller than the power requirements such as cellular phone power requirements. 符合IE邸802.15.42.4GHz标准的无线电装置在2.4G化的工业、科研和医疗(ISM)无线电频带内的16个RF信道中的任何一个上进行发射和接收,并且能够测量任何信道上的接收RF功率。 Radio device complies with IE Di 802.15.42.4GHz in 2.4G standard of industry, any one of 16 RF channels scientific and medical (ISM) radio band on the transmit and receive, and be able to measure any channel receiver RF power. 在该标准中,接收RF功率测量功能被称为能量检测巧D),但是更经常被称为接收信号强度指示符(RSSI)测量。 In this standard, the received RF power measurement is called the D Qiao energy detection), but is more often referred to as received signal strength indicator (RSSI) measurement. I邸E 802.15.4标准描述了RSSI测量的两个应用。 I Di E 802.15.4 standard describes two applications RSSI measurement. 第一个是作为纯信道评估(Clear化annelAssessment)功能的一部分,W避免相同无线网络的成员的不必要的RF干扰。 The first one is a pure channel as part of the assessment (Clear of annelAssessment) function, W to avoid unnecessary RF interference members the same wireless network. 作为CCA功能的一些模式中的部分,发送设备在刚好要开始发射之前测量RF信道上的RSSI,W确保分配的传输信道上没有其他网内传输。 As some patterns CCA function in part of the transmission device just before you want to start emission measurements RSSI RF channel, W to ensure that no other transmission channels allocated within the network transmission. 如果RF信道上的RSSI测量高于阔值,运指示网络中的附近设备已经在信道上进行发射,则可能成为干扰的设备将发射延迟一个随机的时间间隔,W避免引起对已经被占的信道的干扰。 If the RSSI measuring RF channel is higher than threshold value, indicating the transport network in the vicinity of the device has been transmitting on the channel, the device may become interference will launch delay for a random time interval, W to avoid already occupied channel interference. CCA功能通常不与诸如WirelessHARTŪ之类的利用信道跳变协议的时分多址(TDMA)-起使用,因为所有的通信通常由网络管理器进行同步和协调,使得没有邻近设备会在相同时间在相同RF 信道上进行发射。 CCA functions not normally associated with such use channel WirelessHARTŪ like hopping protocol division multiple access (TDMA) - used together, since all communications are usually synchronized and coordinated by the network manager, so that no neighboring device at the same time the same RF channel for transmission.

[0015] 在第二应用中,一些网络管理算法使用接收信号的强度来确定在设备之间的链路上要使用的最佳的具体RF信道。 [0015] In the second application, the number of network management algorithm using the received signal strength to determine the best specific RF channel on the link between the devices you want to use. 如果RSSI读数开始减小,则网络管理器可W选择不同的RF 信道用于设备之间的操作,W确保持续的链路可靠性。 If the RSSI reading begins to decrease, the network manager can select different W RF channels for operating the devices, W to ensure the continued reliability of the link. 备选地,一个链路上的所有RF信道的RSSI读数被联合和平均,W确定用于消息在网络上路由的最强链路。 Alternatively, RSSI readings from all RF channels on a link is a joint average, W determine a message on the road by the strongest link in the network. 仅成功传输或者由于预定错误条件造成的不成功的传输的接收信号强度被无线设备存储和报告给网络管理器, 原因是它们代表在网内通信期间呈现的RF信道条件,即使其包括来自其他RF源的干扰能量。 Only successfully transmitted or received signal strength due to the predetermined error condition caused by an unsuccessful transmission is wireless device to store and reported to the network manager, because they are represented in the network presented during communication RF channel conditions, even including from other RF interference energy source.

[0016] 成功传输由从接收节点到发射节点的返回传输(称为肯定确认信号或ACK)来确认。 [0016] successfully transmitted by the receiving node to the transmitting node from the return transport (called acknowledgment signal or ACK) to confirm. 在接收到ACK响应时,发射节点删除原先发射的消息,接着接收节点负责将消息转发给网格网络中的下一跳。 Upon receipt of the ACK response, the transmitting node to delete the original message is transmitted, then the receiving node is responsible for forwarding the message to the next hop mesh network. 由于某些预定错误条件造成的不成功的传输导致从接收节点向发射节点发送否定确认信号或NACK。 Unsuccessful transmission due to some predetermined error conditions caused by the result sent from the receiving node to the transmitting node negative acknowledgment signal or NACK. 当接收到NACK响应时,发射节点将在它的下一个调度时隙上在不同的RF信道或不同的节点上重传消息,但是将不删除原先发射的消息,直到其接收到来自目的节点的ACK响应。 Upon receiving the NACK response, the transmitting node on its next scheduled time slot on a different channel or a different node RF retransmit the message, but will not delete the messages previously transmitted until it is received from the destination node ACK response.

[0017] 导致NACK响应的预定的错误条件在不同的无线协议中有所不同。 [0017] predetermined error condition causes NACK response vary in different wireless protocols. 在一些协议中, 导致NACK响应的条件包括例如接收节点中的满的消息缓存器、帖校验和错误、W及消息完整性码错误。 In some agreements, resulting in a NACK response conditions include for example, the receiving node over a message buffer, post checksum error, W, and message integrity code error. 不导致ACK或NACK响应的不成功的传输在不同的无线协议中也有所不同,并且可W是例如由于帖校验和错误、消息完整性码错误、错误的网络ID、或者信号太弱或过于崎变使得接收节点难W检测到信号的确被发送。 ACK or NACK response does not result in an unsuccessful transmission also vary in different wireless protocols, and W can be, for example due to the post checksum error message integrity code, incorrect network ID, or the signal is too weak or too Kawasaki changed so that the receiving node is indeed difficult W detected signal is transmitted. 取决于针对具体无线协议的预定的错误条件,一些错误条件(例如帖校验和错误)在一些无线协议中导致NACK响应,而在另一些协议中不导致NACK响应。 Depending on the error condition for a predetermined specific wireless protocol, a number of error conditions (such as posts checksum error) cause NACK response in a number of wireless protocols, while in others the agreement does not result in a NACK response. 在所有情况下,不满足协议的预定的错误条件的不成功传输被忽略:不发送任何ACK或NACK,并且删除与该时间关联的RSSI测量。 In all cases, unsuccessful transmission does not satisfy a predetermined error condition is ignored protocol: does not send any ACK or the NACK, and delete the RSSI measurements associated with the time.

[0018] 本发明使用无线设备通过下述方式来测量在无线现场设备网格网络附近和内部的RF干扰:记录和分析在一段时间上使用的每个RF信道上的RSSI测量,该RSSI测量是在与导致无线设备后续发射ACK或者NACK响应的信号的接收期间不同的时间中进行和记录的。 [0018] The present invention is the use of wireless devices in the following manner to measure the near field wireless mesh network equipment and internal RF interference: Each RF channel RSSI measurements recorded and analyzed over a period of time using the RSSI measurements are performed and recorded in the period leading to the receiving wireless device subsequent transmission ACK or NACK response signals in different time. 运是在所谓的网内寂静时间期间,在此期间最容易且精确地检测背景或者外部RF干扰。 Shipped during the so-called network silence time, during which most easily and accurately detect the background or external RF interference. 3个可能的网内寂静时间是开放侦听、开放信道时隙和寂静子时隙,将在下文描述。 3 Possible network silence time listener is open, open channel slot and silence sub-slots, which will be described below.

[0019] 使用利用信道跳变协议的TDMA数据链路层(诸如wirelessHARTŪ)且具有其鲁棒设计的网格网络非常适合于测量、收集、报告和分析来自不同节点的RSSI测量。 [0019] The use of channel hopping TDMA data link layer protocol (such as wirelessHARTŪ) and having a mesh network of their robust design is well suited for the measurement, collection, reporting and analysis of RSSI measurements from different nodes. 由网络管理器针对链路级通信分派时隙,并且在全网内时隙同步到1毫秒内,使得能够精确控制RSSI测量时间和后续的RSSI测量数据的相关性。 Dispatched by the network manager for link-level communications time slots, and slots in the whole network synchronized to within one millisecond, making it possible to precisely control the relevance of RSSI measurement time and subsequent RSSI measurement data. 网络管理器还通过直接或者间接地为时隙中的每个分派的链路分配信道来协调RF信道分配。 Network Manager also distributed through direct or indirect links to allocate channel time slots each assigned to coordinate the RF channel. 作为由网络管理器控制的时间同步机制的一部分,设备被预编程为基于绝对时隙号(其在整个网格网络中递增)来改变RF信道,因此通常在任何时隙内没有两条链路使用相同的RF信道。 As part of the time synchronization mechanism is controlled by the network manager, the device is preprogrammed based on absolute slot number (which is incremented throughout the mesh network) to change the RF channel, so the two often do not link in any slot using the same RF channel. 该信道跳变是伪随机的,意味着设备W类似随机的顺序改变信道,最终同等地使用所有RF信道。 The channel hopping is a pseudo-random sequence means that the device W similar random change channels, and ultimately the same access to all the RF channels.

[0020] 本发明的无线设备在网内寂静时间期间进行的RSSI测量和对应的测量时间被存储在进行测量的无线设备内,直到它们被用于确定代表接收RF功率的测量结果的值和代表对应的测量时间的值。 [0020] RSSI measurements and the corresponding time measurement device of the present invention in a wireless network during a time of silence during the measurement are stored wireless devices until they are used to determine the representative of the received RF power measurement value representing a value corresponding to the measurement time. 确定代表接收RF功率的测量结果的值例如包括确定统计值、执行单位转换、或者根本不对原始RSSI测量进行任何改变。 Determining a representative value of the received RF power measurements includes determining statistics e.g., execution unit conversion, or does not make any change in the raw RSSI measurements. 每个RF信道的统计值例如包括测量的平均RF功率、测量的RF功率的标准偏差、测量的RF功率的方差、时间段的开始时间、时间段的结束时间、测量的最大RF功率、测量到最大RF功率的时间、测量的最小RF功率、W及测量到最小RF功率的时间、W及占空因素。 Statistical values for each RF channel, for example, include an average RF power measurements, the maximum RF power standard deviation of the measured RF power measurement of RF power variance, the start time of the time period, the end of the time period, measured measured time of maximum RF power, the minimum RF power measurement, W, and the RF power to the minimum measured time, W, and fill factor. 逐个信道地确定代表RF功率的测量结果的值,最终覆盖ISM频带,从而代表某个具体设备的周围的RF能量。 By-channel basis to determine the value representative of the RF power measurement results, final cover ISM band, thus representing a particular RF energy around the device. 运些代表RF功率的测量结果的值通常代表每个信道的背景RSSI测量级别。 Some representatives of transport of RF power measurement value of each channel is generally representative of the background of RSSI measurement level. 代表接收RF功率的测量结果的值超过背景RSSI测量级别则指示RF干扰源。 Represents the measured results of the received RF power measurement RSSI value exceeds the background level indicates that RF interference source. 定期地或者根据要求在报告中将代表接收RF功率的测量结果和对应的测量时间的值通过网格网络发射给中央软件模块CSWM,该中央软件模块通常运行在网关上。 Periodically or upon request emission measurement results of the received RF power in the reports and represents the corresponding measuring time through the mesh network to a central software module CSWM, at the gateway to the central software module typically runs. 来自每个设备的报告的发射W交错的方式进行调度,使得对网络的正常操作没有显著影响。 W emission reports from each device in a staggered manner scheduling so that the normal operation of the network had no significant effect. CSWM通过RF信道将代表RF功率的测量结果的值的报告进行联合,并且将来自多个设备的对应的测量时间进行相关。 CSWM reported value by RF channel RF power measurements will represent the joint, and the corresponding measurement time from multiple devices related. 与至少=个设备的已知位置一起,CSWM确定干扰的时间段, 特性化一个或多个干扰源(例如,Wi-Fi信道1 ),定位该一个或多个干扰源、W及如果干扰超过用户定义的阔值则生成警报。 At least 63 devices known positions together, CSWM interference determined period of time, one or more characteristics of the interference sources (e.g., Wi-Fi channel 1), the positioning of the one or more interfering sources, W, and if the interference exceeds user-defined threshold value of alert is generated. CSWM优选地将任何干扰信息和警报传送给运行在主计算机上的分离的软件应用或者系统操作员使用的显示器。 CSWM preferable to transmit any interference information and alerts to run isolated on the host computer's software application or system operator uses the monitor.

[0021] 在干扰严重到足W临时使得一个无线设备丧失与无线现场设备网格网络中的其他无线设备进行通信的能力的情况下,附近的无线设备将仍能够检测干扰,并通过无线现场设备网格网络中仍然工作的链路向CSWM返回关于代表接收RF功率的测量结果和对应的测量时间的值的报告。 [0021] In the case of serious disturbance to the foot W temporary incapacitation makes a wireless device with the wireless field devices in a mesh network to communicate with other wireless devices in the vicinity of a wireless device will still be able to detect interference, and through the wireless field devices link mesh network is still working to return a report on the results of measurement representative of the received RF power and the corresponding measurement time to CSWM. 通过将来自附近的无线设备的代表RF功率的测量结果和对应的测量时间的值相关,W及结合至少=个设备的已知位置,即使在干扰严重到足W临时禁用无线设备时,本发明也能够通过使用标准S角算法来确定禁用RF干扰源的位置。 By value measurements from nearby wireless devices on behalf of the RF power and the corresponding measurement time related, and combined with the known position at least W = devices, even in noisy enough W to temporarily disable a wireless device, the present invention it is possible by using a standard algorithm to determine the angle S disabled position RF interference source.

[0022] 通过仅报告统计信息而不是每个记录的测量结果,W及通过仅定期发射报告,例如每隔15分钟,本发明最小化了提供对整个网络上的RF干扰的基本连续的检测和报告所需的能量。 [0022] Adoption of the report only instead of measuring the results of statistical information for each record, W, and only by periodic emission reports, such as every 15 minutes, the present invention minimizes provide substantially continuous detection of RF interference on the entire network and the energy required to report. 因为检测是基本连续的,所W间歇和瞬时的RF干扰源被定位和识别。 Because detected is substantially continuous, intermittent W and the instantaneous RF interference source is located and identified. 如上面提到的,在无线现场设备网络中,最小化能量使用率是关键的。 As mentioned above, in the wireless field device networks, minimize energy usage is critical. 下面描述的在网内寂静时间期间的测量结果在记录和向CSWM发射测量的频次方面存在变化,伴随能量使用率的对应变化。 Measurement silent time during the existence of the network will be described in terms of the frequency of the recording and to CSWM emission measurements changes, accompanied by a corresponding change in energy usage. 通过在开放侦听、开放信道时隙、W及寂静子时隙测量之间变化,能够相对于所需的能量使用率,平衡针对更积极的干扰检测和定位的需求。 By opening between the listener, the open channel time slot, W, and measured sub-slot silent change, with respect to the utilization of the energy required to balance the demand for more positive interference detection and localization.

[0023] 图1是示出本发明的用于测量和分析无线现场设备网格网络附近和内部的RF干扰的实现的示图。 [0023] FIG. 1 is a diagram showing the present invention used to measure and analyze the wireless mesh network devices near field RF interference and internal implementation shown in FIG. 图1示出了控制和过程监视系统10,其包括主计算机12、高速网络14、网关16、W及无线现场设备网格网络18。 Figure 1 shows a control and process monitoring system 10 includes a host computer 12, a high-speed network 14, a gateway 16, W mesh networks and wireless field devices 18. 无线现场设备网格网络18包括无线设备或节点20a-20i. . .20NW及接入点22。 Wireless field device 18 includes a wireless mesh network devices or nodes 20a-20i.. .20NW And 22 access points. 网关16包括网络管理器24和CSWM 26,尽管网络管理器24和CSWM 26中的任意一个或二者可W驻留在主计算机12上。 Gateway 16 includes a network manager 24 and CSWM 26, although the network manager 24 and CSWM any one or both of 26 W may reside on the host computer 12. 主计算机12包括软件应用29。 The host computer 12 includes software applications 29. 软件应用29例如是控制软件或者监视软件。 Software application 29, for example, control software or monitoring software. 网关16通过高速网络14连接网格网络18和主计算机12。 High-speed Internet gateway 16 through 14 is connected mesh network 18 and host computer 12. 接入点22是网关16和无线设备20a-20i. . .20N之间的接口。 The access point 22 is the interface between the gateway 16 and wireless devices 20a-20i.. .20N Between. 专用链路28将接入点22连接到网关16。 28 dedicated link access point 22 is connected to the gateway 16. 备选地,接入点22可W与网关16集成在一起,从而不需要专用链路28。 Alternatively, the access point 22 to 16 W integrated with the gateway, eliminating the need for dedicated link 28. 接入点22和无线设备20a-20i. . .20N使用具有接收RF功率测量能力的无线电装置,诸如符合IEEE 802.15.4标准的无线电装置。 22 access points and wireless devices 20a-20i.. .20N Using a radio device having received RF power measurement capabilities, such as IEEE 802.15.4 compliant radios. 接入点22和无线设备20a-20i...20N还使用用于存储值和执行基本统计计算的电路,诸如现有技术中已知的电路。 The access point 22 and wireless devices 20a-20i ... 20N are also used for storage of values and perform basic statistical calculation circuit, such as known in the prior art circuit. 接入点22和无线设备20a-20i. . .20N 彼此通信,作为使用利用信道跳变协议的TDMA(诸如wirelessHARTŪ)的无线网格网络。 22 access points and wireless devices 20a-20i.. .20N Communicate with each other, as the use of the use of channel hopping protocol TDMA (such as wirelessHARTŪ) wireless mesh network. 可选地,接入点22或至少一个无线设备20a-20i ... 20N均还分别包括本地操作员接口化01) 23、21dL0I 23、21包括显示器和有限的输入功能,通常是少量的按钮。 Alternatively, the access point 22 or the at least one wireless device 20a-20i ... 20N each further include a local operator interface of 01) 23,21dL0I 23,21 comprises a display with limited input capabilities, usually a small button . 在图1中还示出了RF 干扰源Rl。 In Figure 1 also shows a source of RF interference Rl.

[0024] 消息通过高速网络14从主计算机12传送到网关16。 [0024] The message 14 transmitted through the high-speed network from the host computer 12 to the gateway 16. 目的地为无线现场设备网格网络18的无线设备20a-20i. . .20N之一的消息通过专用链路28从网关16发送给无线现场设备网格网络18的接入点22。 The destination is a wireless mesh network of 18 field devices wireless devices 20a-20i. .20N One. 28 sent messages through a dedicated link from the gateway 16 to the wireless mesh network access point field devices 18 22. 然后,接入点22直接地或者W逐跳的方式通过若干不同路径中的一条路径将消息发射给无线现场设备网格网络18的无线设备20a-20i. . .20N中的所述之一。 Then, the access point 22, either directly or W hop way through several different paths in a path to transmit a message to one of the wireless mesh network wireless field devices 18 20a-20i.. .20N. 类似地,来自无线现场设备网格网络18的无线设备20a-20i. . .20N之一的消息通过若干路径中的一条路径逐节点地往回路由通过无线现场设备网格网络18,直到它到达接入点22。 Similarly, a wireless device from the wireless mesh network 18 field devices 20a-20i.. .20N Through a number of messages in a path-by-path routing node back to the mesh network via the wireless field device 18, until it reaches the the access point 22. 接着,接入点22通过专用链路2則尋消息发送给网关16。 Subsequently, the access point 22 through a dedicated link to find two messages sent to the gateway 16. 目的地为主计算机12的消息通过高速网络14从网关16传送到主计算机12。 Computer-based message destination 12 14 12 transferred to the host computer via high-speed network from the gateway 16. 由网络管理器24分派为了协调整个无线现场设备网格网络18上的通信所需的节点之间的时隙、链路分配、W及RF信道分配。 Dispatched by the network manager 24 in order to coordinate the entire wireless mesh network field device slots, link assignment, W and RF channels required for communication between nodes 18 on the allocation. 针对无线现场设备网格网络18的时隙和RF信道分派和链路分配经由专用链路28从网关16发送到接入点22。 28 sent from the gateway 16 for wireless field devices and RF mesh network time slot assignment and link distribution channel 18 via a dedicated link to the access point 22. 接入点22直接地或者W逐跳的方式将时隙分配、RF信道分配和链路分配发射给无线设备20a-20i..,20N〇 The access point 22, either directly or W hop way slot allocation, RF channel assignment and link assignment transmitted to wireless devices 20a-20i .., 20N〇

[0025] 本发明的用于在网内寂静时间期间执行和记录RSSI测量的情况下检测RF干扰的一个实施例是在"开放侦听"期间。 One embodiment for detecting RF interference in the case of performing the network and recording RSSI measured during the silent time [0025] The present invention is in the "open listener." 开放侦听包括接收节点期待收到信号,但是发射节点没有发送信号的那些时间。 Open listener includes receiving node expects to receive signals, but without those nodes transmit a time signal transmitted. 运种情况的发生可能简单地因为发射节点在其分配的时隙到达时可能没有任何消息要发射。 Transport cases may occur simply because the transmitting node may not have any messages at its assigned time slot to be transmitted arrive. 在利用信道跳变协议的TDMA(诸如wirelessHARTŪ)中,网络管理器将调度给一对节点分配链路W传送消息的多个时间或时隙。 Using channel hopping protocol TDMA (such as wirelessHARTŪ), the network manager will dispatch a pair of nodes assigned to link W message is transmitted multiple times or time slots. 运增强了网络可靠性,W 确保消息通过网络。 Yun enhance network reliability, W ensures that the message through the network. 如果第一链路分配不工作,则第二或第=链路分配应该工作。 If the first link does not work assignment, the second or = link assignment should work. 然而,经常,消息在第一次尝试上的通过被确认,并且接着由发送节点删除消息。 However, often, the message on the first try by being confirmed, and then delete the message by the sending node. 该可能留下开放侦听链路,其中接收节点将侦听W及在侦听时进行RSSI测量,但是发射节点将没有任何消息要发送。 The listener may leave open the link, wherein the receiving node will listen W and RSSI measurements carried out at the listener, but the transmitting node will have no message to be sent. 通常,因为在无线现场设备网格网络18中没有任何其他设备被调度在该时隙中在该具体RF信道上进行发射,因此RSSI测量将指示背景RF噪声级别或者RF干扰的存在,而不是网内业务。 Typically, because no other device is scheduled to transmit in the time slot in this particular field device RF channels in a wireless mesh network 18, and thus RSSI measurement will indicate the presence of RF background noise or RF interference level, rather than the network within the business. 没有任何消息要在该时隙发送的发射节点也可W激活其无线电装置,并且在分配的RF信道上进行RSSI测量。 There is no message to be transmitted in the slot in the transmitting node may also W activates its radio, and in the distribution of RF channel RSSI measurements performed. 因此,与一个链路关联的两个设备可W使用其链路级知识, 在相同时间从两个不同位置在相同RF信道上进行协调的RSSI测量。 Therefore, a link with two devices can be associated with using its link-level knowledge W, at the same time from two different locations coordination RSSI measurements on the same RF channel.

[0026] 开放侦听还包括接收节点期待信号且发射节点发送信号、但是出于上面描述的原因既没回送ACK响应也没回送NACK响应的那些时间。 [0026] open listener also includes a signal receiving node, and look forward to the transmitting node sends a signal, but for the reasons described above, neither returns an ACK response did not echo those times NACK response. 从接收节点的角度看,运看起来是网内寂静时间,因为检测不到任何可识别的网内传输。 From the perspective of the receiving node, the operation appears to be within the network silence time, because not detect any network transmission can recognize. 在运些情况下进行的RSSI测量可能不指示纯的背景RF噪声级别,因为发射节点确实在该分配的RF信道上发射了一些内容,但是运样的RSSI测量提供了关于可能已经引起传输故障的RF干扰源的重要信息。 In some cases shipped RSSI measurement may not indicate a pure background RF noise level, because the transmitting node does the allocation of RF channels transmit some content, but kind of transport RSSI measurement provides information on the failure may have been caused by transmission important sources of RF interference.

[0027] 图2A和2B示出了在导致接收无线设备发射ACK响应或者NACK响应的信号的接收期间的、分别针对发射机节点和接收机节点的时隙内的子时隙的互补安排。 [0027] FIG. 2A and 2B shows the reception period leading to the receiving wireless device transmit ACK response or a NACK response signal, respectively complementary arrangements for sub-timeslots transmitter node and the receiver node within the. 在参考图2A-2DW 及3A-3B时,"Tx"表示发射,"Rx"表示接收。 In reference to FIG. 2A-2DW and 3A-3B time, "Tx" indicates emission, "Rx" indicates the reception. 每个分派的时隙具有指定的发射机节点和指定的接收机节点。 Each assigned time slot having a transmitter node and a receiver node designated specified. 时隙由可变长度和类型的子时隙的安排组成,所述安排支配在该时隙内发射机和接收机采取的动作的定时。 Slot consists of variable length and type of sub-slot arrangement of the composition, the arrangement in the time slot timing of disposable transmitter and receiver to take action. 该安排在链接的节点之间是互补的,并且不断地重复。 This arrangement links between nodes are complementary, and constantly repeated. 如图2A所示,发射机时隙30a开始于Tx偏移子时隙32日,后面跟着Tx子时隙34日。 2A, the transmitter Tx slot 30a starts at the offset sub-slots 32 days, followed by 34-day sub-slot Tx. 化子时隙34a后跟着Tx到Rx子时隙36a,继而在Tx到Rx子时隙3貼后跟着ACk/NACK侦听子时隙3&1和Tx空子时隙42曰。 Polar slot 34a is followed Tx to Rx sub-slot 36a, and then in the Tx to Rx sub-slots after three followed ACk / NACK listener sub-slot 3 & 1 empty slots 42 and Tx said. 图2B示出了接收机时隙50曰,其开始于Tx侦听子时隙54曰,其后跟着Rx到Tx子时隙56a,Tx ACK/NACK子时隙58a、W及Rx空子时隙60a。 Figure 2B shows a receiver slot 50 said, which began in the sub-slot 54 Tx listener said, later followed by Rx to Tx sub-slots 56a, Tx ACK / NACK sub-slots 58a, W and Rx empty slots 60a. 发射机时隙30a和接收机时隙50a实际上是分别从发射机节点和接收机节点观察的相同的网络时隙。 The transmitter and receiver slot slot 30a 50a are actually the same network time slot, respectively, from the transmitter node and a receiver node observation.

[0028] 在接收机时隙50a的开始处,接收机节点打开其无线电装置,并且在Tx侦听子时隙54a期间侦听来自发射机节点的任何传输。 [0028] In the beginning of the slot 50a of the receiver, the receiver node to open its radio and listen for any transmissions from the transmitter node listens during Tx sub-slots 54a. 在该时间期间,在发射机时隙30a的开始,发射机节点是寂静的,将任何传输延迟Tx偏移子时隙32a"Tx偏移子时隙32a的长度至少等于最大的网络时间同步误差。运确保了直到接收机节点准备好侦听时,发射机节点才开始发射。在Tx偏移子时隙32a之后,发射机节点的无线电装置被打开并且在Tx子时隙Wa期间进行发射。Tx子时隙34a的长度足够容纳数据分组,包括伴随数据的所有的报头和尾部字节。Tx侦听子时隙54a的长度由Tx子时隙34a的长度加上至少两倍的网络时间同步误差来确定。运确保了,无论最大网络时间同步误差的方向如何,Tx子时隙34a将全部落在Tx侦听子时隙54a 内。在Tx侦听子时隙54a期间,接收机使用上面描述的抓功能来执行RSSI测量,并且存储测量结果W及测量时间和RF信道。在Tx子时隙34a之后,在Tx到Rx子时隙36a期间发射机节点将其无线电装置从发射切换到接收,接着在ACk/NACK侦听子时隙38a期间开始侦听来自接收机节点的ACK或NACK响应。如果在Tx侦听子时隙54a期间接收机节点成功接收数据分组, 则在Rx到Tx子时隙56a期间接收机节点将其无线电装置从接收切换到发射,接着在TxACK/ NACK子时隙58a期间开始向发射机节点发送ACK响应。备选地,如果在Tx侦听子时隙54a期间接收机节点由于预定的错误条件没有成功接收数据分组,则在Rx到Tx子时隙56a期间接收机节点将其无线电装置从接收切换到发射,接着在Tx ACK/NACK子时隙Wa期间开始向发射机节点发送NACK响应。在任何情况下,在TxACK/NACK子时隙Wa之后,接收机节点保留存储的RSSI信息供在网络管理算法中使用W确定要用在设备之间的链路上的最佳的具体RF信道,关闭其无线电装置,并且在Rx空子时隙60a期间等待下一个时隙的开始。ACK/NACK侦听子时隙3&1足够长W容纳至少Rx到Tx子时隙5貼和Tx ACK/NACK子时隙Wa的长度。运确保了Tx ACK/NACK子时隙58a全部落在ACK/NACK侦听子时隙38a内。在ACK/NACK侦听子时隙38a之后,发射机节点关闭其无线电装置,并且在Tx空子时隙42a期间等待下一个时隙的开始。 During this time, the start of a slot transmitter, the transmitter node 30a is still, and will offset any transmission delay Tx sub-slot 32a "Tx offset sub-slot 32a of length at least equal to the largest network time synchronization error . to ensure that the transport node until the receiver is ready to listen when the transmitter node began emitting after Tx offset sub-slot 32a, the radio transmitter node is opened and during Tx Wa sub-slot for transmission. Tx slot 34a of a length sufficient to accommodate the sub-data packet, including the length of all the accompanying data of the header and trailer bytes .Tx listener subslot 54a plus the Tx is at least twice the length of the sub-slots 34a, network time synchronization to determine the error. transport ensured, regardless of the direction of maximum network time synchronization error, Tx sub-slots 34a will all fall within the sub-slot Tx listens 54a. during Tx listens sub-slots 54a, the receiver uses the above description grip functionality to perform RSSI measurements, and stores the measurement result and the measurement time and W RF channels. after the Tx sub-slot 34a, the sub-slots Rx Tx to the transmitter node 36a during its radio receiver to switch from transmit to then during ACk / NACK sub-slot 38a listener starts listening ACK or NACK response from the receiver nodes. If successfully received data packet Tx sub-slot receiver node listens during 54a, in the sub-Rx to Tx the receiver node during time slots 56a to switch from the received radio transmitting and begins to transmit the ACK response during TxACK / NACK sub-slot 58a to the transmitter node. Alternatively, if the listener during the Tx sub-slot 54a Since the receiver node predetermined error condition is not successfully received data packet, in the Tx Rx receiver node during sub-slots 56a to switch from radio receiver to the transmitter, then began during Tx ACK / NACK sub-slots to Wa the transmitter node sends a NACK response. in any case, after TxACK / NACK sub-slot Wa, RSSI information stored in the receiver node reserved for network management algorithm used to determine the W to use the device on the link between best particular RF channel, its radio off, and the beginning of a time slot in .ACK empty waiting time slots Rx at 60a / NACK sub-slot 3 & listener a long enough to accommodate at least Rx to Tx W subslot 5 and Tx ACK / NACK sub-slot length Wa. transport ensures Tx ACK / NACK sub-slot 58a all come ACK / NACK sub-slot 38a within the listener. after the ACK / NACK listener sub-slots 38a, emission node close its radio and waiting for the start of the next slot 42a during Tx empty slots.

[0029] 图2C-2D示出了在发射机节点没有任何消息要发送时的开放侦听实施例的分别针对发射机节点和接收机节点的时隙内的子时隙的互补安排。 [0029] FIG. 2C-2D illustrates the transmitter node has no arrangements were complementary sub-timeslots for the transmitter node and a receiver node within the open listening to any message to send the embodiment. 因为作为发起无线设备的发射机节点没有任何消息要发射,运不会导致作为目的地无线设备的接收机后续发射ACK或NACK响应。 Because, as initiated by the wireless device transmitter node has no message to be transmitted, operation will not lead to the receiver as a destination wireless device subsequent transmission ACK or NACK response. 图2C示出了发射机时隙30b,其开始于Tx偏移子时隙32b,后面跟着Tx开放侦听62,该Tx开放侦听62后面跟着Tx空子时隙42b。 2C illustrates a transmitter slot 30b, which begins at offset Tx sub-slots 32b, followed by opening Tx listener 62, the listener behind the opening 62 along the Tx Tx empty slot 42b. 图2D示出了接收机时隙50b,其开始于Tx侦听子时隙54a,后面跟着Rx空子时隙60b。 Figure 2D illustrates a receiver slot 50b, which begins at the listener Tx sub-slots 54a, followed by empty slots Rx 60b. 发射机时隙30b和接收机时隙50b实际上是分别从发射机节点和接收机节点观察的相同的网络时隙。 The transmitter and receiver slot 30b the slot 50b is actually the same network time slot separately from the transmitter node and the receiver node observation.

[0030] 在接收机时隙50b的开始处,接收机节点打开其无线电装置,并且在Tx侦听子时隙54b期间侦听来自发射机节点的任何传输,如针对图2B所描述的那样。 [0030] In the beginning of the time slot 50b of the receiver, the receiver node to open its radio, and listens for any transmissions from the transmitter node, as described for FIG. 2B Tx listens during sub-slots 54b. 在该点处,接收机节点不知道发射机没有任何消息要发送,并且使用上面描述的抓功能来执行RSSI测量,存储测量结果W及测量时间和RF信道。 At this point, the transmitter receiver node does not know there is no message to send, and use the grab function described above to perform RSSI measurement, storage and measurement time measurement W and RF channel. 在Tx侦听子时隙54b期间没有成功接收到数据分组的接收机节点不将其无线电装置从接收切换到发射。 During the Tx sub-slots 54b listener does not successfully received data packet to the receiver node is not received from the radio transmitter apparatus is switched. 相反,其关闭无线电装置,保留存储的RSSI 信息供在检测RF干扰时使用,并且在Rx空子时隙60b期间等待下一个时隙的开始。 Rather, it means turn off the radio, RSSI information retention storage for use in the detection of RF interference, and wait for the start of the next slot during Rx empty slot 60b. 在该时间期间,在发射机时隙30b的开始处,发射机节点将任何活动延迟Tx偏移子时隙32b"Tx偏移子时隙32b的长度至少等于最大的网络时间同步误差。在Tx偏移子时隙32b之后,在Tx开放侦听62期间,没有任何消息要发送的发射机节点打开其无线电装置,并且使用上面描述的抓功能来执行RSSI测量,存储测量结果W及测量时间和RF信道。在Tx开放侦听62之后,发射机节点保留存储的RSSI信息供在检测RF干扰时使用,关闭其无线电装置,并且在Tx空子时隙4化期间等待下一个时隙的开始。 During this time, at the start of a slot 30b of a transmitter, the transmitter node delays any active sub-slot 32b Tx Offset "sub-slot 32b Tx Offset length at least equal to the maximum network time synchronization error. In Tx offset sub-slot 32b Thereafter, during Tx open listener 62, the transmitter node does not send any message to open its radio and using the above described grip functionality to perform RSSI measurement, storage measurement results and measurement time and W RF channel. after Tx open listener 62, a transmitter node reserves stored RSSI information for use in the detection of RF interference, turn off its radio and wait for the start of the next slot during Tx slot 4 of loopholes.

[0031] 图2A和2D示出了在开放侦听实施例中的分别针对发射机节点和接收机节点的时隙内的子时隙的互补安排,在所述开放侦听实施例中接收机节点期待信号并且发射机节点发送信号,但是由于传输不成功或者故障不满足使用的协议的预定的错误条件,既不发送ACK响应也不发送NACK响应。 [0031] FIG. 2A and the receiver 2D example is shown in an open listener embodiments are complementary arrangements for sub-timeslots transmitter node and the receiver node within, and in the implementation of the open listener node and expect signal transmitter node sends a signal, but because of predetermined error conditions or failure to satisfy the unsuccessful transmission protocol used, and does not send ACK response does not send a NACK response. 从接收节点的角度看,运看起来是网内寂静时间,因为检测不到任何可识别的网内传输。 From the perspective of the receiving node, the operation appears to be within the network silence time, because not detect any network transmission can recognize. 在接收机时隙50b的开始处,接收机节点打开其无线电装置,并且在Tx侦听子时隙54b期间侦听来自发射机节点的任何传输(如图2B所示),使用上面描述的邸功能来执行RSSI测量,并且存储测量结果W及测量时间和RF信道。 At the beginning of the receiver slot 50b, the receiver node to open its radio and listen for any transmission from a transmitter node (shown in Figure 2B) listens during Tx sub-slot 54b, using the above-described Di functionality to perform RSSI measurement, and stores the measurement results and the measurement time and W RF channel. 在Tx侦听子时隙54b 期间没有成功接收数据分组的接收机节点不将其无线电装置从接收切换到发射。 The receiver listens for the child node during Tx time slot 54b is not successfully received data packet is not to be switched from the radio transmitter to the receiver. 相反,其关闭无线电装置,保留存储的RSSI信息供在检测RF干扰中使用,W及在Rx空子时隙60b期间等待下一个时隙的开始。 Rather, it means turn off the radio, RSSI information retention storage for use in the detection of RF interference, W, and waiting for the start of the next slot during Rx empty slot 60b. 同时,发射机节点如上面针对图2A描述那样操作。 Meanwhile, the transmitter node as described above operates as described for Figure 2A. 发射机时隙30a 和接收机时隙50b实际上是分别从发射机节点和接收机节点观察的相同的网络时隙。 The transmitter and receiver slot 30a slot 50b is actually the same network time slot, respectively, from the transmitter node and a receiver node observation.

[0032] 在本发明的用于在网内寂静时间期间记录RSSI测量的情况下检测RF干扰的另一个实施例中,无线现场设备网格网络18中的调度为在分派的时隙期间在分派的RF信道上发送或接收传输的每个无线设备20a-20i . . . 20N和接入点22在网络完全寂静的时隙部分(或"子时隙")期间测量所分派的信道上的RSSI。 [0032] In the case where the present invention is recorded in the network during the silence detection time measured RSSI RF interference in another embodiment, the wireless field devices in the mesh network 18 is scheduled to dispatch in the time slot assigned the RF RSSI measurement channel during the assigned 22 slots in the network is completely silent portion (or "sub-slots") 20a-20i... 20N and the access point channel each wireless device to send or receive transmissions . 图3A和3B示出了该实施例的分别针对发射机节点和接收机节点的时隙内的"寂静子时隙"的互补安排。 Figures 3A and 3B show respectively complementary arrangements for the "silent sub-slots" Slot transmitter node and the receiver node within the embodiment. 每个分派的时隙具有指定的发射机节点和指定的接收机节点。 Each assigned time slot having a transmitter node and a receiver node designated specified. 时隙由可变长度和类型的子时隙的安排组成,所述安排支配在该时隙内发射机和接收机采取的动作的定时。 Slot consists of variable length and type of sub-slot arrangement of the composition, the arrangement in the time slot timing of disposable transmitter and receiver to take action. 该安排在链接的节点之间是互补的,并且不断地重复。 This arrangement links between nodes are complementary, and constantly repeated. 如图3A所示,发射机时隙30c开始于Tx偏移子时隙32c,后面跟着Tx子时隙34c。 3A, the transmitter Tx slot 30c starts at offset sub-slots 32c, followed Tx sub-slot 34c. Tx子时隙34c后跟着Tx到Rx子时隙36c,继而在Tx到Rx子时隙36c后跟着ACK/NACK侦听子时隙38c、Tx寂静子时隙40和Tx空子时隙42c。 Tx sub-slot 34c is followed Tx to Rx sub-slots 36c, and then in the Tx to Rx sub-slot 36c is followed by ACK / NACK listener sub-slots 38c, Tx 40 and Tx silent sub-slots empty slot 42c. 图3B示出了接收机时隙50c,其开始于Rx寂静子时隙52,其后跟着Tx侦听子时隙54c dTx侦听子时隙54c后面跟着Rx到Tx子时隙56c、TxACK/ NACK子时隙58c、W及Rx空子时隙60c。 Figure 3B shows a receiver slot 50c, which starts at 52 sub-slots Rx silence, followed by the subsequent sub-slot 54c behind Tx DTX listener listens to the sub-slot 54c along Rx Tx sub-slots 56c, TxACK / NACK sub-slots 58c, W and Rx empty slot 60c. 发射机时隙30c和接收机时隙50c实际上是分别从发射机节点和接收机节点观察的相同的网络时隙。 The transmitter and receiver slot slot 30c respectively 50c is actually the same network time slot from the transmitter node and a receiver node observation.

[0033] 在接收机时隙50c的开始处,在Rx寂静子时隙52期间,接收机节点使用上面描述的ED功能来执行RSSI测量,并且存储测量结果W及测量时间和RF信道。 [0033] In the receiver at the beginning of the time slot 50c, the silence during the Rx sub-slots 52, an ED receiver node to perform the function described above RSSI measurements, and stores the measurement result and the measurement time and W RF channels. 在该时间期间,发射机节点是寂静的,将任何传输延迟Tx偏移子时隙32c"Tx偏移子时隙32c的长度至少等于最大的网络时间同步误差加上用于接收机节点进行其RSSI测量的时间(即Rx寂静子时隙52)的和。Tx偏移子时隙32c将传输延迟足够长的时间,W确保在Rx寂静子时隙52的RSSI测量的同时,发射机节点将不进行发射。重要地,因为对于网络中的所有无线设备,在所有分派的时隙中都存在相同的Tx偏移子时隙32c,所W网络在Rx寂静子时隙52的RSSI测量期间在所有RF信道上是完全寂静的。RSSI测量结果将指示背景RF噪声级别或者RF干扰的存在。因为网络是完全寂静的,所W运不是接收机节点接收导致无线设备后续发射ACK或NACK响应的信号的时间。 During this time, the transmitter node is still, any transmission delays offset Tx sub-slots 32c "Tx offset sub-slots 32c length at least equal to the largest network time synchronization error plus a receiver for its node RSSI measurement time (i.e., 52 subslots silence Rx) offset and sub-slots 32c .Tx transmission delays sufficient period of time, W at the same time ensure that the sub-slot silent Rx RSSI measurement 52, the transmitter node not transmitting. importantly, because for all wireless devices in the network, in all time slots are assigned in the presence of the same Tx offset sub-slots 32c, during the measurement of the W network Rx silence sub-slot 52 in the RSSI All RF channels are completely silent .RSSI measurement results will indicate the presence of background noise level RF or RF interference, because the network is completely silent, the W transported not cause the receiver node receives wireless device subsequent transmission signal ACK or NACK response time.

[0034] 在Rx寂静子时隙52之后,接收机节点在Tx侦听子时隙54c期间侦听来自发射机节点的任何传输。 [0034] In the silence after the Rx sub-slot 52, the receiver node during Tx sub-slots 54c listener listens for any transmission from the transmitter node. 同时,在Tx偏移子时隙32c之后,发射机节点在Tx子时隙34c期间进行发射。 Meanwhile, after the Tx sub-slots 32c offset, transmitter node during Tx transmit subslot 34c. Tx子时隙34c的长度足够长W容纳数据分组,包括伴随数据的所有的报头和尾部字节。 Tx sub-slot 34c W length long enough to accommodate the data packet, including all the accompanying data header and trailer bytes. Tx侦听子时隙54c的长度由Tx子时隙34c的长度加上至少两倍的网络时间同步误差来确定。 Tx sub-slot length listener 54c by Tx sub-slots 34c plus at least twice the length of the network time synchronization error is determined. 运确保了,无论最大网络时间同步误差的方向如何,Tx子时隙34c将全部落在Tx侦听子时隙54c 内。 Yun ensured, regardless of the direction of maximum network time synchronization error, Tx sub-slots 34c will all fall within the sub-slots Tx listens 54c. 在Tx侦听子时隙54c期间,接收机还进行RSSI测量,其可W如上所述用于确定要用在设备之间的链路上的最佳的具体RF信道(W及,可选地,结合上述开放侦听实施例,用于另外的RF干扰检测测量)。 During the Tx slot 54c listens for the child, but also perform receiver RSSI measurement, which as described above can be used to determine the W to be used on the link between the devices optimum specific RF channel (W and, optionally , combined with the above-described embodiment listener open for further RF interference detection measurement). 在Tx子时隙34c之后,在Tx到Rx子时隙36c期间发射机节点将其无线电装置从发射切换到接收,接着在ACK/NACK侦听子时隙38c期间开始侦听来自接收节点的确认数据分组的成功接收的确认信号。 After the Tx sub-slot 34c, the transmitter Tx to Rx node during sub-slots 36c to the radio device to switch from transmit to receive, then the ACK / NACK during sub-slots 38c listener listens for an acknowledgment from the receiving node acknowledgment signal successfully received data packet. 如果在Tx侦听子时隙54c期间接收节点成功接收数据分组,则在Rx到Tx子时隙56c期间接收节点将其无线电装置从接收切换到发射,接着在Tx ACK/NACK子时隙58c期间向发射机节点发送ACK响应。 If successfully received data packets during Tx listens sub-slots 54c receiving node, in the period Tx to Rx sub-slots 56c receiving node will switch from its radio receiver to the transmitter, then during Tx ACK / NACK sub-slots 58c send ACK response to the transmitter node. 备选地,如果在Tx侦听子时隙54c期间接收机节点由于预定的错误条件没有成功接收数据分组,则在Rx到Tx子时隙56c期间接收机节点将其无线电装置从接收切换到发射,接着在TxACK/NACK子时隙58c期间向发射机节点发送NACK响应。 Alternatively, if the receiver node in Tx receiver listens for the child node during a predetermined time slot 54c due to the error condition is not successfully received data packet, the Rx to Tx sub-slots 56c during its radio receiver to the transmitter to switch from and then sends NACK to the transmitter node during TxACK / NACK sub-slot 58c. ACK/NACK侦听子时隙38c足够长W容纳Rx到Tx子时隙56c和TxACK/NACK子时隙的长度。 ACK / NACK sub-slots 38c listens long enough to accommodate W Rx to Tx sub-slots 56c and TxACK / NACK sub-slot length. 运确保了ACK/NACK子时隙58c将全部落在ACK/NACK侦听子时隙38c内。 Operation to ensure that the ACK / NACK sub-slots 58c will all fall within the ACK / NACK listener sub-slot 38c.

[0035] 在ACK/NACK侦听子时隙38c之后,在Tx寂静子时隙40期间,发射机节点使用上面描述的抓功能来执行RSSI测量,并且存储测量结果W及测量时间和RF信道。 [0035] After the ACK / NACK listener sub-slots 38c, Tx silence during the 40 sub-slots, the transmitter nodes grab function described above to perform RSSI measurement, and stores the measurement results and the measurement time and W RF channel. ACK/NACK侦听子时隙38c将Tx寂静子时隙40延迟足够长的时间W确保在Tx寂静子时隙40的RSSI测量的同时,接收机节点将不发射ACK或NACK响应。 ACK / NACK sub-slots 38c listens to silence Tx sub-slot delay 40 W for a time sufficient to ensure that the Tx sub-slot silent RSSI measured 40, while the receiver node will not transmit an ACK or NACK response. 重要地,因为相同的发射机时隙30c和接收机时隙50c是在网络中的所有无线设备中出现的相同的网络时隙的部分,所W网络在Tx寂静子时隙40的RSSI测量期间在所有RF信道上是完全寂静的。 Importantly, because the same transmitter and receiver slot 30c slot 50c is part of the same network time slot all wireless devices in the network that appear in the W network RSSI measurement in Tx silence during the 40 sub-slots in all RF channels is completely silent. Tx寂静子时隙40的RSSI测量结果将指示背景RF噪声级别或者RF干扰的存在。 Tx silence sub-slot 40 RSSI measurements will indicate the presence of background noise level RF or RF interference. 如Rx寂静子时隙52的RSSI测量一样,因为在Tx寂静子时隙40的RSSI测量期间网络是完全寂静的,所W运不是发射机节点接收导致接收机节点发射ACK或NACK响应的信号的时间。 Rx silence as sub-slots 52 as RSSI measurement, because Tx silence during sub-slots RSSI measurement network 40 are completely silent, the W is not shipped transmitter node receives the result signal receiver node to transmit ACK or NACK response of time.

[0036] 备选地,fcc寂静子时隙可W被调度在Rx空子时隙60c内在ACK/NACK侦听子时隙38c 结束之后。 [0036] Alternatively, fcc silence W sub-slot may be scheduled after the Rx slot 60c loopholes inherent ACK / NACK sub-slot 38c listens end. 图3A和3C示出了分别针对发射机节点和接收机节点的时隙内的寂静子时隙的备选互补安排。 3A and 3C illustrate respectively, for silence child timeslots transmitter node and a receiver node within a complementary alternative arrangements. 除了用Rx寂静子时隙62替换Rx寂静子时隙52之外,所有情况与上面针对图3A 和3B的描述相同。 In addition to replacement Rx silent sub-slot 52 with 62 sub-slots Rx silence outside, all the circumstances described above in Fig. 3A and 3B for the same. Rx寂静子时隙62示出为恰好在ACK/NACK侦听子时隙38c的结束处,与Tx寂静子时隙40重合,但是Rx寂静子时隙62可W是Rx空子时隙60c内的任何地方。 Rx silence sub-slot 62 is shown as just before the ACK / NACK listens for the child at the end of the slot 38c, and 40 sub-slots Tx silence coincidence, but the silence Rx sub-slot 62 W is available within the Rx empty slot 60c anywhere. 与Rx寂静子时隙52和Tx寂静子时隙40的RSSI测量一样,因为在Rx寂静子时隙62的RSSI测量期间网络是完全寂静的,所W运不是发射机节点接收导致接收机节点发射ACK或NACK响应的信号的时间。 And Rx and Tx 52 sub-slots silence silence RSSI measurement sub-slots 40, like silence because Rx RSSI measurement sub-slot 62 during the network is completely silent, the W is not shipped transmitter receiver nodes transmit node receives the result time ACK or NACK response signal. 该备选对于下述TMDA协议特别有用,该TMDA协议与WirelessHARTŪ不同,其先开始发射, 然后激活接收机W侦听传输。 This alternative is particularly useful for the following TMDA agreement, the agreement with TMDA WirelessHARTŪ different, which first began firing, and then activate the receiver listens W transmission. 运样的协议在具有非常少的传输的网络中是有用的。 Kind of transport protocol is useful in a network with very little transmission of. 在运样的网络中,用于单个传输前导(其足够长W在接收机最终打开时还在发射)的额外功率大于来自许多接收机在关闭之前必须侦听的较短时间的能量节省的补偿。 Additional power in the kind of transport networks for the transmission of a single leader (long enough to open Shihai W in the final receiver in the transmitter) is more than compensated from many receivers in a relatively short time before closing must listen to the energy savings . 对于运种协议,Rx寂静子时隙52将不总是在网络完全寂静的时间期间,但是,Rx寂静子时隙62将仍然在网络完全寂静的时间期间。 For transport protocols, Rx silent sub-slots 52 will not always totally silent during network time, however, Rx silent sub-slots 62 will remain in the network is completely silent during the time.

[0037] 在前面的实施例中,在网内寂静时间期间进行的测量被临时存储在执行测量的无线设备中,并且直到确定了代表接收RF功率的测量结果的值和代表对应的测量时间的值时才被丢弃。 [0037] In the foregoing embodiment, the measurement is temporarily stored in the network for a period of silent time to perform measurements of the wireless device, and until it is determined represents the measured results of the received RF power values and the representatives of the corresponding measuring time if the value is discarded. 再次参考图1,代表接收RF功率的测量结果的值和代表对应的测量时间的值直到成功地在报告(RSS巧良告)中发射给CSWM26时才会被丢弃。 Referring again to FIG. 1, representing the value representing the corresponding measurement time received RF power measurements until the successful launch of the report (RSS Qiao Liang report) only when the CSWM26 to be discarded. 定期地,例如每隔15分钟,无线现场设备网格网络18的每个无线设备20a-20i . . . 20N和接入点22根据该时间段临时存储的RSSI测量值和每个测量的时间来确定代表接收RF功率的测量结果的值和代表对应的测量时间的值。 Periodically, such as every 15 minutes, the wireless field devices 18 each mesh network of wireless devices 20a-20i... 20N and the access point 22 based on RSSI measurements of the period of temporary storage and each measured time value is determined representative of the received RF power measurement value representing the corresponding time measurement. 代表接收RF功率的测量结果的值是针对该时间段期间测量的每个RF信道来确定的。 Value representing the received RF power measurements for each RF channel is measured during the time period determined. 在确定并临时存储针对每个RF信道的代表接收RF功率的测量结果的值和代表对应的测量时间的值之后,无线现场设备网格网络18的每个无线设备20a-20i. . .20N在若干路径中的一条路径上逐节点地将由针对每个RF信道的代表接收RF功率的测量结果的值和代表对应的测量时间的值构成的RSS巧良告发送通过无线现场设备网格网络18,直到它们到达接入点22。 After the representative values and the corresponding time measurement is determined and temporarily stores the received RF power of the RF channel for each of the representative measurement results, each mesh network of wireless field devices 18, wireless devices 20a-20i.. .20N In RSS Qiao Liang values representing the corresponding measuring time by the node to be received by the RF power measurements on a number of paths for a path to represent each RF channel configuration report sent through the wireless mesh network field device 18, until they arrive at the access point 22. 在该实施例中,接入点22接着通过专用链路28将RSS巧良告发送给网关16和运行在网关16上的CSWM 26。 In this embodiment, the access point 22 and then through a dedicated link 28 RSS Qiao Liang denounced the gateway to the 16 and 16 run on the gateway CSWM 26. (备选地,如果CSWM 16改为运行在其他位置,例如运行在主计算机12上, 则网关16将该报告转发给CSWM 26。)类似地,接入点22执行与每个无线设备20a-20i. . .20N 执行的相同类型的测量、确定和RSSI报告生成,并且定期通过专用链路28将RSS巧良告发送给网关16和CSWM 26。 (Alternatively, if CSWM 16 to run in a different location, such as running on a host computer 12, the gateway 16 that the report be forwarded to the CSWM 26.) Similarly, the access point 22 performs with each wireless device 20a- measurements of the same type of 20i.. .20N performed to determine the RSSI and report generation, and on a regular basis through a dedicated link 28 RSS Qiao Liang informant gave gateway 16 and CSWM 26. 因为接入点通常不是能量受限的设备,所W它们自由地收集更多的数据,W及比典型的无线设备更频繁地报告更多的数据。 Because the access point is usually not limited energy equipment, the W they are free to gather more data, more data W and reporting more frequently than typical wireless devices. CSWM 26通过向每个无线设备20a-20i. . .20N和接入点22发送确认报告的成功接收的返回消息,对成功接收来自每个无线设备20a-20i. . .20N和接入点22的RSS巧良告做出响应。 CSWM 26 to return successfully received by each wireless device 20a-20i.. .20N And the access point 22 sends a message confirmation report of successful reception from each wireless device 20a-20i.. .20N And the access point 22 the RSS Qiao Liang told to respond. 备选地,每个无线设备20a-20i. . .20N 和接入点22的相邻节点通过发送确认报告或报告的一部分的成功接收的返回消息,对成功接收来自每个无线设备20a-20i. . .20N和接入点22的RSS巧良告做出响应。 Alternatively, each wireless device adjacent nodes 20a-20i.. .20N 22 and the access point successfully received a return message by sending an acknowledgment of a part of the report or reports of successfully received from each wireless device 20a-20i .. .20N and access points RSS Qiao Liang reported 22 to respond. 在任一情况下,在接收到确认成功接收的返回消息时,每个无线设备20a-20i. . .20N和接入点22丢弃该时间段的针对每个RF信道的代表接收RF功率的测量结果的值和代表对应的测量时间的值。 In either case, upon receiving confirmation of the successful reception of the return message, each wireless device 20a-20i.. .20N And the access point 22 discards the received RF power measurements for each RF channel on behalf of that time period value and represents the corresponding measuring time. 同时,每个无线设备20a-20i . . .20N和接入点22已经开始进行新的RSSI测量,生成新的代表接收RF功率的测量结果的值并且构建针对新的时间段的新的RSS巧良告。 At the same time, each wireless device 20a-20i.. .20N And the access point 22 has begun a new RSSI measurements to generate a new value representing the received RF power measurements for the new RSS and build new period clever good report.

[0038] 在基本相同的时间上发射每个无线设备20a-20i. . .20N的RSS巧良告将导致控制和过程监视系统10的所有或部分的控制和过程监视功能离线(off line),W适应无线现场设备网格网络18的传输容量上的运种负担。 [0038] transmitting each wireless device on substantially the same time 20a-20i.. RSS Qiao Liang told .20N will lead to control and process monitoring systems control and process monitoring off all or part of 10 (off line), W adapt transport a burden wireless field devices 18 mesh network transmission capacity on. 相反,网络管理器24W交错的方式调度每个无线设备20a-20i. . .20N发射报告及间接地,接收确认消息)的定时,使得添加的传输负担很好地处于无线现场设备网格网络18的传输容量内。 Instead, the network manager in a staggered manner 24W scheduling each wireless device 20a-20i.. .20N Emission reports and indirectly scheduled reception confirmation message), so that the transmission is in good added burden of wireless field devices 18 mesh network the transmission capacity.

[0039] -旦CSWM 26接收来自无线设备20a-20i. . .20N中的至少一些无线设备W及来自接入点22的RSSI报告,其针对每个RF信道确定接收RF功率的测量结果的基线统计值。 Once the baseline CSWM 26 receiver 20a-20i .20N least some of the wireless device W and RSSI report from the wireless device from the access point 22, which determines the received RF power measurements for each RF channel - [0039]. statistics. 在没有激活的干扰源存在的情况下,基线统计值通常接近设备中使用的无线电装置的接收阔值界限(例如,针对大多数IE邸802.15.4收发器是-90地m)。 In the case of no active interference sources exist, baseline statistics usually close to the reception threshold value boundaries of radio equipment used (for example, for most IE Di 802.15.4 transceiver to -90 m). 其将报告的RF功率的测量结果与对应的基线统计值进行比较。 The measurement results of the report of the RF power and the corresponding baseline statistics values. 与对应的基线统计值相比超过给定量的报告的RF功率的测量结果指示RF干扰源,并且使得CSWM 26通过高速网络14向运行在主计算机12上的软件应用29发出警报。 Measurement results compared with corresponding baseline statistics report more than a given amount of RF power indication RF interference source, and makes CSWM 26 through 14 high-speed network to run the application 29 alerts in the software on the host computer 12. 该给定量可W是用户定义的接收RF功率阔值界限。 The given amount of W can be user-defined to receive RF power threshold value boundaries. 另外,CSWM 26将来自至少S个无线设备的指示RF干扰源的报告的RF功率的测量结果进行组合和相关,并且使用现有技术已知的标准S角计算来确定RF干扰源的位置。 RF power measurements in addition, CSWM 26 from at least one wireless device S indicates RF interference sources can be combined and related reports and use the position known in the art standard S angle calculation to determine RF interference source. 例如,无线设备20a-20i. . .20N仅报告统计值和对应的测量时间,其包括针对每个RF信道的最大接收RF功率值和最大接收RF功率值的时间。 For example, wireless devices 20a-20i.. .20N Only report statistics and the corresponding measurement time, including time for the maximum received RF power value of each RF channel, and the maximum value of the received RF power. 无线设备20h和20i报告超过先前预定的RF功率阔值的接收RF功率的测量最大值。 Measuring the maximum wireless devices 20h and 20i previously reported over a predetermined threshold value of the received RF power RF power. 无线设备20g是下一个最接近的,尽管其报告的接收RF功率测量值不超过先前预定的RF功率阔值,但是其仍具有与基线值相比稍微抬高的报告的RF功率最大值。 The wireless device 20g is the next closest, received RF power measurements in spite of its previous report does not exceed the predetermined threshold value of RF power, but it still has a slightly elevated compared to baseline reports RF power maximum. CSWM 26比较20h、 20i和20g的接收RF功率最大值,并且使用已知的标准S角算法来确定RF干扰源Rl的位置。 CSWM 26 Comparative 20h, 20i and the maximum value of the received RF power 20g, and using a known algorithm for determining the angle of the standard S RF interference source Rl position. 与警报一起,通过高速网络14将RF干扰源Rl的位置发送给运行在主计算机12上的软件应用29。 Together, 14 will send an alert and run through a high-speed network RF interference source Rl location on the host computer 12 software applications 29. 备选地,该警报和RF干扰源Rl的位置显示在网关16上,供系统操作员使用。 Alternatively, the alarm and RF interference source Rl position displayed on the gateway 16 for the system operator to use. 在该例子中, 通过仅发射统计信息而不是每个测量结果,W及仅定期进行报告(例如,每隔15分钟),该实施例最小化了为了在定期的、进行中的、基本连续的基础上提供对整个网络中的RF干扰的检测和定位所需的对任何单个节点的能量影响。 In this example, by transmitting only the statistics instead of each measurement, W, and only periodic reports (for example, every 15 minutes), this embodiment minimizes the order on a regular, ongoing, substantially continuous provide energy impact on the entire network of RF interference detection and localization required for any single node basis.

[0040] 本发明的用于在网内寂静时间期间记录RSSI测量的情况下检测RF干扰的另一个实施例是在"开放信道时隙"期间。 Another case for the detection of RF interference on the network during the silent recorded RSSI measurement time of the [0040] embodiments of the present invention is in the "open channel slots." 开放信道时隙是一个RF信道在一个时隙中没有被网络管理器分配。 Open channel slots is a RF channel is not assigned a network manager in one slot. 在该开放信道时隙期间,网络管理器没有调度无线现场设备网格网络中的任何设备在该RF信道上进行发射。 In the open channel time slot during which the network manager does not dispatch the wireless field devices in a mesh network to any device in the RF channel for transmission. 其他链路可能在该相同时隙期间在其他RF信道上通信,但是没有任何链路会操作在该开放信道上。 Other links may occur during the same time slot in the other RF communication channels, but no links can operate in the open channel. 在开放信道时隙期间,在该时隙期间没有分配给链路的一个或多个无线设备由网络管理器命令W在一个或多个开放信道上进行RSSI测量。 During the open channel time slot, during the time slot is not assigned to link one or more wireless devices by the network manager command W at a plurality of open channels or perform RSSI measurements. 在所有的RF信道在具体的开放时隙中都是开放的情况下,网络管理器可W命令一个或多个设备在所有RF信道上进行RSSI测量。 In all RF channels are open in the specific open time slot, the network manager can command a W or more devices RSSI measurements in all RF channels. 因为无线现场设备网格网络中没有任何设备在该时隙期间在开放信道上进行发射,所W运是那些开放信道上的针对网内业务的寂静时间。 Because the wireless field device mesh network without any device during the time slot in an open channel to transmit, the W transported those channels open for business within the network silence time.

[0041] 参考图1,网络管理器24协调在开放信道时隙期间的无线现场设备网格网络18中的RSSI测量。 [0041] Referring to Figure 1, the network manager 24 to coordinate during the open channel slot mesh network wireless field devices 18 RSSI measurement. 网络管理器24向无线现场设备网格网络18的每个无线设备20a-20i. . .20N和接入点22发送指令,W在没有分配用于网络通信的一个或多个时隙期间在若干分配的RF信道中的至少一个信道上进行一系列RSSI测量,W及在执行测量的设备中存储RSSI测量值和测量时间。 Network manager device 24 to the wireless mesh network to each wireless field devices 20a-20i.. .20N And the access point 22 sends instructions, W or more in a period not allocated for network communication in a number of slots 18 at least one channel allocated RF channels RSSI measurement series, W, and stored value and the measured RSSI measurements performed at the time of the measurement apparatus. 一旦收集了RSSI测量数据和测量时间,每个无线设备20a-20i ... 20N和接入点22 根据该时间段的临时存储的RSSI测量值和每个测量的时间来确定代表接收RF功率的测量结果的值和代表对应的测量时间的值。 Once collected, the RSSI measurement data and the measurement time, each of the wireless devices 20a-20i ... 20N and the access point 22 based on the RSSI measurement value of the temporarily stored period, and a time to determine each measurement representative of the received RF power value measurement value representing the corresponding time measurement. 代表RF功率的测量结果的值是针对该时间段期间测量的每个RF信道来确定的。 Value represents the RF power measurements for each RF channel is measured during the time period determined. 在确定并临时存储针对每个RF信道的代表RF功率的测量结果的值和代表对应的测量时间的值之后,无线现场设备网格网络18的每个无线设备2〇3-20i ... 20N在若干路径中的一条路径上逐节点地将由针对每个RF信道的代表RF功率的测量结果的值和代表对应的测量时间的值构成的RSS巧良告发送通过无线现场设备网格网络18, 直到它们到达接入点22。 After determining the value and the representative value and the corresponding measurement time for the temporary storage of measurements representative of the RF power to each of the RF channels, the wireless mesh network field device of each wireless device 18 ... 20N 2〇3-20i by the number of nodes in the path a path to RSS Qiao Liang and will be composed of representatives of values corresponding to the measurement time for representatives of RF power measurements for each RF channel of the report sent by the wireless mesh network field device 18, until they arrive at the access point 22. 接入点22接着通过专用链路28将来自每个无线设备20a-20i...20N的RSS巧良告W及其自己的RSS巧良告发送给网关16和CS丽26dCSWM 26通过向每个无线设备20a-20i ... 20N和接入点22发送确认报告的成功接收的返回消息,对成功接收来自每个无线设备20a-20i. . .20N和接入点22的RSS巧良告做出响应。 The access point 22 and then through a dedicated link 28 from each of the wireless devices 20a-20i ... RSS Advertisement W Qiao Liang Qiao Liang and its own RSS informers 20N and 16 to the gateway through the CS Lai 26dCSWM 26 to each returns the message was successfully received by the wireless device 20a-20i ... 20N and the access point 22 sends an acknowledgment of the report, the success received from each wireless device 20a-20i.. .20N and the access point 22 RSS Qiao Liang told to do a response. 备选地,每个无线设备20a-20i ... 20N和接入点22的相邻节点通过发送确认报告的成功接收的返回消息,对成功接收来自无线设备20a-20i. . .20N和接入点22的RSS巧良告做出响应。 Alternatively, each wireless device 20a-20i ... 20N and the access point adjacent node 22 return message sent by successfully received confirmation of the report, the success of the reception from the wireless device 20a-20i.. .20N And then in point 22 RSS Qiao Liang told to respond. 在任一情况下,在接收到确认成功接收的消息时,每个无线设备20a-20i . . . 20N和接入点22丢弃针对所请求的一系列RSSI测量的针对每个RF信道的代表接收RF功率的测量结果的值和代表对应的测量时间的值。 In either case, upon receiving confirmation of the successful reception of the message, each wireless device 20a-20i... 20N and 22 discards the received RF access point for the representatives requested a series of RSSI measurements for each RF channel the results of the measurement values of power and representatives of the corresponding measuring time. 网络管理器24W交错的方式调度RSS巧良告和接收确认消息的传输的定时,使得添加的传输负担很好地处于无线现场设备网格网络18的传输容量内。 Network manager 24W staggered scheduling the timing of the transmission of advertising and good RSS clever receiving an acknowledgment, the transmission makes the burden to add well within the wireless field devices 18 mesh network transmission capacity.

[0042] 在需要RF干扰信息时,本发明的实施例能够形成在整个无线现场设备网格网络上的ISM频谱上的RF干扰的图,同时限制网络的正常操作的中断。 [0042] RF interference information when required, embodiments of the present invention can be formed on the entire FIG mesh network of wireless field devices ISM RF interference on the spectrum, while limiting the interruption of normal operation of the network. 运在为了节省能量或者因为不需要更频繁的通信而使得很少的时隙被分配用于通信的时间和位置处特别有用。 Operation in order to save energy or because there is no more frequent communication and so little time slots are allocated to be particularly useful at the time and location of the communication. 因为无线现场设备网格网络18中的本地供电的无线设备可用的能量通常是有限的,所W本实施例是在按需基础上使用的,而不是在前面的实施例的连续基础上使用。 Because the wireless field device mesh network 18 wireless devices in the local supply of energy available is usually limited, the W in the present embodiment is used as needed basis, instead of using a continuous basis in the previous embodiments.

[0043] 运些不同的实施例特别良好地适合于检测和定位瞬时RF干扰,因为来自无线设备的RSS巧良告包括代表对应的RF测量时间的值,所述值由网络管理器24在控制和过程监视系统10中协调到约1毫秒内的精确度(例如在WirelessHARTŪ)。 [0043] shipped some different embodiments are particularly well suited for detecting and locating the instantaneous RF interference from the wireless devices because RSS Qiao Liang reported values are representative of corresponding RF measurement time, the value of the network manager 24 in control and process monitoring system 10 to coordinate accuracy (for example, in WirelessHARTŪ) within about 1 millisecond. CSWM 26通过比较每个无线设备的对应的RF测量时间来组合来自至少S个无线设备的指示在相同时间帖内的RF干扰源的RSS巧良告,并且利用现有技术已知的标准S角算法来确定RF干扰源的位置。 CSWM 26 is indicated by a corresponding RF measurement time to compare each wireless device from a combination of at least S wireless device RF interference sources at the same time tie the RSS Qiao Liang told, and known in the art utilizing standard S angle algorithm to determine the location of RF interference source. CSWM 26通过例如在趋势线上绘制RSSI数据,生成RF信道的频谱图、在图上突出干扰源位置、或者通过示出位置随时间在图上的移动,比较一系列位置W识别瞬时或移动的RF干扰源。 CSWM 26 for example, by drawing the trend line RSSI data to generate spectrum RF channel in the figure highlights the interference source location or by location is shown over time to move on the graph to compare a series of instantaneous location identification or move W RF interference source.

[0044] 图4是示出本发明的用于测量和分析具有多个接入点的无线现场设备网格网络附近和内部的RF干扰的另一个实施例的示图,无论接入点服务的网格网络的区域是否部分重叠。 [0044] FIG. 4 shows a diagram of the present invention for measurement and analysis of wireless mesh networks nearby field devices and internal RF interference having a plurality of access points to another embodiment, both access points and services whether partially overlapping regions of the grid network. 因为接入点具有将通信往无线现场设备网格网络内或外中继的有限能力,所W较大的控制和过程监视系统需要多个接入点来处理网络中的增长数目的节点,或者W其他方式来统一各自具有自己的接入点的分离的无线现场设备网格网络。 Because the access point has to be the communication device within a wireless mesh network or site outside the limited capacity of the relay, the W greater control and process monitoring systems require multiple access points in the network to handle the increase in the number of nodes, or other ways to unify W each field device wireless mesh network has its own separate access point. 根据一个实施例,图4示出了控制和过程监视系统IO,其包括主计算机112、第一高速网络114、网关116、第二高速网络118、W及无线现场设备网格网络119。 According to one embodiment, Figure 4 shows a control and process monitoring system IO, which includes a host computer 112, a first high speed network 114, gateway 116, a second high speed network 118, W and 119 mesh network wireless field devices. 无线现场设备网格网络119包括无线现场设备网格网络区域120、122和124。 Wireless field device 119 includes a wireless mesh network mesh network area field devices 120, 122 and 124. 无线现场设备网格网络区域120包括无线设备或节点130a-1301...1301^^及接入点132。 Wireless field device region 120 includes a wireless mesh network devices or nodes 130a-1301 ... 1301 ^^ and the access point 132. 无线现场设备网格网络区域122包括无线设备或节点140曰-140i . . . 140NW及接入点142。 Wireless mesh network field device region 122 includes a wireless device or node 140, saying -140i... 140NW and the access point 142. 无线现场设备网格网络区域122示出为与无线现场设备网格网络区域120部分重合,但是也可W是完全重合,或者与120完全分离。 Wireless mesh network area field devices 122 and 120 are shown as overlapped portions of the wireless mesh network area field devices, but also at the W was completely overlap, or completely separated 120. 无线现场设备网格网络区域124包括无线设备或节点150a-150i. . .150NW及接入点152。 Wireless field devices, including wireless mesh network region 124 devices or nodes 150a-150i.. .150NW 152 and the access point. 主计算机112包括网络管理器160和CSWM 162,尽管备选地网络管理器160和CSWM 162中的任意一个或两者可W驻留在网关116上。 The host computer 112 includes a network manager 160 and CSWM 162, although alternatively, the network manager 160 and CSWM 162 in either or both of W may reside on the gateway 116. 主计算机112还包括软件应用164。 The host computer 112 also includes a software application 164. 软件应用164例如是控制软件或者监视软件。 Software application 164, for example, control software or monitoring software. 在图4中还存在干扰源R2和R3。 There are sources of interference and R2 and R3 in FIG. 4.

[0045] 消息通过第一高速网络114从主计算机112传送到网关116。 [0045] High-speed Internet 114 through the first message from the host computer 112 to the gateway 116. 目的地为无线现场设备网格网络区域120、122和124之一中的节点的消息通过第二高速网络118从网关16分别发送给接入点132、142和152之一。 One destined for the wireless field devices 120, 122 and 124 area mesh network node message by one second high speed network 118 from the gateway 16 to the access point 132, 142 and 152, respectively. 接入点132、142和152之一接着将消息直接或W逐跳的方式通过若干不同路径中的一条路径将消息分别发射给无线现场设备网格网络区域120、122和124的无线设备130a-130i. . .130N、140a-140i. . .140NW及150a-150i. . .150N中的一个设备。 One of the access points 132, 142 and 152 then directly or W hop fashion news through several different paths in a path message are transmitted to the wireless field devices 120, 122 and 124 area mesh network of wireless devices 130a- 130i.. .130N, in 140a-140i.. .140NW and 150a-150i.. .150N a device. 返回消息按照相反路径回到主计算机112。 Return messages in reverse path back to the host computer 112. 由运行在主计算机112上的网络管理器160分派为了协调整个无线现场设备网格网络119上的通信所需的节点之间的时隙、链路分配、W 及RF信道分配。 By the run on the host computer's network management 112 160 dispatcher to coordinate the slots required for communication between nodes throughout the mesh network of wireless field devices 119 on the link assignment, W and RF channel assignments.

[0046] 本发明的该实现的实施例使用了在网内寂静时间期间(在如上文参考图1JA-2D W及3A-3B描述的开放侦听、开发信道时隙W及寂静子时隙中的至少一个期间)进行的RSSI 测量。 [0046] Example embodiments of the present invention is implemented in a network using a silent period of time (as described above with reference to FIG. 1JA-2D W 3A-3B and described listens open, W, and the development of the silent channel slots subslot RSSI at least one period) were measured.

[0047] RSSI测量值和每个测量的时间W及RF信道被临时存储在执行测量的设备中,并且直到确定了代表接收RF功率的测量结果的值和代表对应的测量时间的值时才被丢弃。 [0047] RSSI measurement value and each measured time W and the RF channel is temporarily stored in the execution of the measurement apparatus, and until it is determined that represents the measurement result of the received RF power values representing the corresponding time measurement is only throw away. 再次参考图4,代表RF功率的测量结果的值和代表对应的测量时间的值直到成功地在报告(RSSI 报告)中发射给CSmi 162或备选地发射给相邻节点时才会被丢弃。 4, and the representative values corresponding to the measurement time of the measurement result representative of the RF power until Referring again to FIG successfully report (RSSI report) to transmit CSmi 162 or alternatively transmitted to a neighboring node will be discarded. 定期地,例如每隔15分钟,无线现场设备网格网络119的每个无线设备和接入点确定该时间段的代表接收RF功率的测量结果的值和代表对应的测量时间的值。 Periodically, such as every 15 minutes, each wireless device and the access point wireless mesh network 119 field devices to determine the representative values representing the corresponding measurement time received RF power measurements in the time period. 代表接收RF功率的测量结果的值是针对在该时间段期间测量的每个RF信道来确定的。 Value representing the received RF power measurements for each RF channel during the measurement period determined. 在确定针对每个RF信道的代表接收RF功率的测量结果的值和代表对应的测量时间的值之后,无线现场设备网格网络区域120、122和124的每个无线设备在若干路径中的一条路径上逐节点地将由针对每个RF信道的代表接收RF功率的测量结果的值和代表对应的测量时间的值构成的RSSI报告发送通过无线现场设备网格网络区域120、122和124,直到它们到达接入点132、142或152中的任何一个。 After determining the values corresponding to the measurement time representing the received RF power of the RF channel for each of the representative measurement results, the wireless mesh network area field devices 120, 122 and 124 each wireless device in a plurality of path report RSSI values corresponding to the measurement time and representatives constituted by nodes to the path by the receiving RF power measurements for representing each RF channel is sent over the wireless field devices 120, 122 and 124 area mesh network until they arrive at the access point 132, 142 or 152 in any of them. 接入点132、142 或152接着通过第二高速网络118将来自无线现场设备网格网络区域120、122和124中的每个无线设备的RSS巧良告W及它们自己的RSS巧良告发送给网关116。 Access points 132, 142 or 152 followed by a second high speed network 118 from the wireless field devices 120, 122 and 124 area mesh network in each wireless device RSS Qiao Liang told W and their own RSS Qiao Liang Report Delivery 116 to the gateway. 网关116通过第一高速网络114将该报告转发给主计算机112上的CSWM 162 dCSWM 162通过发送确认每个RSS巧良告的成功接收的返回消息,对成功接收来自无线现场设备网格网络区域120、122和124中的每个无线设备和接入点132、142和152的RSS巧良告做出响应。 Gateway 116 through 114 of the first high-speed network the report forwarded to the successful reception of CSWM 162 dCSWM 162 112 on the host computer by sending an acknowledgment for each RSS Qiao Liang reported a return message for a successful reception from the wireless field devices 120 area mesh network 122 and 124 in each of the wireless devices and access points 132, 142 and 152 of the RSS Qiao Liang told to respond. 备选地,无线现场设备网格网络区域120、122和124的每个无线设备和接入点132、142和152的相邻节点通过发送确认报告的成功接收的返回消息,对成功接收RSS巧良告做出响应。 Alternatively, the wireless field devices 120, 122 and each area mesh network of wireless devices and access points 124, 132, 142 and 152 adjacent nodes by sending a return message confirmation report of successful reception of the successful reception of RSS clever Liang told to respond. 在任一情况下,在接收到确认成功接收的消息时,无线现场设备网格网络区域120、122和124中的每个无线设备和接入点132、 142和152丢弃该时间段的针对每个RF信道的所存储的代表接收RF功率的测量结果的值和代表对应的测量时间的值。 In either case, upon receiving confirmation of the successful reception of the message, the wireless mesh network area field devices 120, 122 and 124 in each of the wireless devices and access points 132, 142 and 152 of the discards for each time period value represents the stored RF channel reception RF power measurement value representing the corresponding time measurement. 网络管理器160W交错的方式调度RSS巧良告和接收确认消息的传输的定时,使得添加的传输负担很好地处于无线现场设备网格网络119的传输容量内。 160W network manager scheduling the timing of the interleaving of receiving an acknowledgment transmitted RSS clever and good report, so that the added burden of transmission well within the wireless field devices 119 mesh network transmission capacity. [00 4引一旦CSmi 162接收来自无线现场设备网格网络区域120、122和124中的每个无线设备和接入点132、142和152的RSS巧良告,其针对每个RF信道确定RSSI测量的基线统计值。 [004 cited once CSmi 162 received from the wireless field devices 120, 122 and 124 area mesh network in each wireless devices and access points 132, 142 and 152 of the RSS Qiao Liang report, which determines the RSSI for each RF channel baseline statistics measurement. 在没有激活的干扰源存在的情况下,基线统计值通常接近设备中使用的无线电装置的接收阔值界限(例如,针对大多数IE邸802.15.4收发器是-90地m)。 In the case of no active interference sources exist, baseline statistics usually close to the reception threshold value boundaries of radio equipment used (for example, for most IE Di 802.15.4 transceiver to -90 m). 其将报告的RF功率的测量结果与对应的基线统计值进行比较。 The measurement results of the report of the RF power and the corresponding baseline statistics values. 与对应的基线统计值相比超过给定量的报告的RF功率的测量结果指示RF干扰源,并且使得CSWM 162向运行在主计算机112上的软件应用164发出警报。 Measurement results compared with corresponding baseline statistics report more than a given amount of RF power indication RF interference source, and makes CSWM 162 alerts to run software applications 164 112 on the host computer. 对于检测和分析无线现场设备网格网络的单个区域附近或内部的干扰源,诸如RF干扰源R2,本实施例的操作与上文参考图1描述的第一实施例非常类似。 For a single source of interference region near or inside the detection and analysis of wireless mesh network of field devices, such as RF interference source R2, the operation of the first embodiment described above with reference to FIG. 1 described in the present embodiment it is very similar. 例如,无线设备140b、 140f和140g通过接入点142(或接入点132,通过无线现场设备网格网络区域122和124之间的重合)W及第二高速网络118向网关116报告统计值和对应的测量时间,其包括针对每个RF信道的超过先前定义的接收RF功率阔值的最大接收RF功率值和最大RF功率值的时间(作为RSS巧良告的一部分)。 For example, a wireless device 140b, 140f and 140g (132, or access points overlap between 122 and 124 mesh wireless field device network area) W and a second high-speed network statistics report through an access point to the gateway 116 142 118 and the corresponding measurement time, including time (as an RSS Qiao Liang told part of) the maximum received RF power value and the maximum value of the RF power for each RF channel exceeds a previously defined threshold value of the received RF power. 网关116通过第一高速网络114将该报告发送给CSWM 162dCSWM 162 比较14化、140f和140g的接收RF功率最大值和对应的测量时间,并且使用已知的标准S角算法来确定RF干扰源R2的位置。 Gateway 116 through 114 of the first high-speed network to send the report to compare 14 of CSWM 162dCSWM 162, 140f and 140g of the received RF power corresponding to the maximum value and measurement time, and the use of known standard S angle algorithm to determine RF interference source R2 s position. 优选地,与警报一起,将RF干扰源R2的位置发送给运行在主计算机112上的软件应用164。 Preferably conjunction with an alarm, send RF interference source R2 position to run the software on the host computer 112 164 applications. 备选地,该警报和RF干扰源R2的位置通过第一高速网络114进行发射并且显示在网关116上,供系统操作员使用。 Alternatively, the alarm and RF interference source R2 through the first position to transmit high-speed network 114 and displayed on the gateway 116 for the system operator to use.

[0049] 与参考图1描述的实施例不同的是,本实施例还使用来自整个无线现场设备网格网络119上的无线设备或多个接入点的信息,检测和定位在单个无线现场设备网格网络区域120、122和124之外的RF干扰源,例如RF干扰源R3。 [0049] with reference to FIG. 1 described in Example is different, detection and location in a single wireless field device of the present embodiment also uses information from the entire wireless mesh network wireless field devices 119 or more access points, the mesh network 120,122 RF interference source region 124 and beyond, such as RF interference source R3. 因为网络管理器160 W1毫秒内的精确度协调无线现场设备网格网络119中(诸如在wirelessHARTŪ中)的所有无线设备和接入点的时隙和RF信道分配,所W来自无线现场设备网格网络119的不同部分的无线设备或接入点的RF干扰信息可W精确地进行组合W提供RF干扰源R3的精确位置。 Because the network manager 160 W1 millisecond accuracy coordination within the wireless mesh network 119 field devices (such as wirelessHARTŪ in) slots and RF channel assignments for all wireless devices and access points, the W from the wireless field device networks RF interference information different parts of the grid network of the wireless device 119 or access point can accurately be combined W W RF interference source to provide accurate location of R3. 在RF干扰源R3的例子中,检测到的来自该源的RF能量最大的S个无线设备是无线现场设备网格网络区域120 的无线现场设备13化、无线现场设备网格网络区域122的接入点142和无线现场设备网格网络区域124的接入点152。 In the case of RF interference source in R3, the detected RF energy from the source S of the largest wireless device is a wireless mesh network area of the wireless field device field 13 of the device 120, 122 is connected to the wireless field device area mesh network point 142 and wireless field devices area mesh network access points 124 152. 无线设备13化(经由接入点132)、接入点142和接入点152通过第二高速网络118向网关116报告针对每个RF信道的超过先前确定的接收RF功率阔值的最大RF 功率值和最大RF功率值的时间(作为RSS巧良告的一部分)。 13 of the wireless device (132 via an access point), the access point 142 and the access point 152 through the second high-speed network to more than 118 gateway 116 reports received RF power previously determined threshold value for each RF channel maximum RF power time value and the maximum value of the RF power (as an RSS Qiao Liang told part). 网关116通过第一高速网络114将该报告发送给CSWM 162dCSWM 162比较来自无线设备13化、接入点142和接入点152的针对每个RF信道的最大RF功率值和最大RF功率值的对应时间,并且使用已知的标准S角算法来确定RF干扰源R3的位置。 Gateway 116 through 114 of the first high-speed network to send the report to compare CSWM 162dCSWM 162 from the wireless device of 13, corresponding to the maximum RF power value for each RF channel RF power and the maximum value of the access point 142 and the access point 152 time, and using a known standard algorithm to determine the angular position of S RF interference source R3. 与警报一起,将RF干扰源R3的位置发送给运行在主计算机112上的软件应用164。 Together, the position will be sent with the alarm RF interference source R3 to run on the host computer 112 software applications 164. 备选地,该警报和RF干扰源R3的位置通过第一高速网络114进行发送并且显示在网关116上,供系统操作员使用。 Location Alternatively, the alarm and RF interference source R3 through the first high-speed network 114 is transmitted and displayed on the gateway 116 for the system operator to use.

[0050] 在该实施例中,因为网络管理器在整个控制和过程监视系统内Wl毫秒内的精确度协调无线现场设备网格网络中的时隙和RF信道分配,所W来自无线现场设备网格网络的不同的单个无线现场设备网格网络区域的无线设备或接入点的RF干扰信息可W精确地进行组合W在连续的基础上在较大的区域上提供RF干扰源的精确位置。 [0050] In this embodiment, the network manager in the entire process control and monitoring systems millisecond accuracy Wl coordination within the slots and RF channel assignments wireless field devices in a mesh network, the W from the wireless field device networks RF interference information field devices of different single wireless mesh network grid area network access point or wireless devices can be combined W W accurately on a continuous basis to provide RF interference source over a larger area of the exact location.

[0051] 在本发明的所有实施例中,对于定位两维上的干扰源而言,使用来自=个无线设备(或接入点)的信息的标准=角计算是理想的,因为它们识别了单个位置。 [0051] In all embodiments of the present invention, a two-dimensional source localization for interference on, the use of standard information from = wireless device (or access point) = angle calculations are ideal, because they recognize the a single location. 组合来自多于=个设备的信息提高了本发明的位置精确度。 More than 63 devices from a combination of information on the location of the present invention to improve the accuracy. 然而,如果仅两个无线设备检测到干扰源,贝U 来自两个无线设备的信息如果与非RF特性信息进行组合,则也差不多是有用的。 However, if only two wireless devices to detect sources of interference, Tony U information from both non-wireless devices and RF characteristics if combining information is almost useful. 例如,根据来自两个无线设备的指示RF干扰源的RSSI测量发现的两个可能的RF干扰源位置之一如果是在可能的RF干扰源难W到达的受保护区域,则可W根据规则剔除。 For example, a protected area of one of the possible sources of RF interference RF interference source location according to the instructions of RSSI measurements from the two wireless devices found in two if it is possible RF interference sources difficult to reach W, W can be removed according to the rules .

[0052] 如上面提到的,CSWM能够通过下述方式在主计算机或者网关上显示RF干扰信息: 例如在趋势线上绘制RSSI数据,生成包括频谱密度和RF历史的频谱图、在图上突出干扰源位置、示出干扰源的占空因素、示出按照信道或按照的RSSI、按照信道将逐个链路的干扰RSSI与网内RSSI进行比较、使用柱状图示出作为干扰RSSI的函数的路径稳定度、或者通过示出位置随时间在图上的移动。 [0052] As mentioned above, CSWM can display RF interference by the following information on the host computer or gateway: for example, the trend line drawn RSSI data, including generating RF spectral density and historical spectrum, prominent in FIG. interference source position, shown interferer fill factor, is shown in accordance with the channel or according to the RSSI, according to the channel interference link-by RSSI and intranet RSSI is compared, using the histogram shown as upsetting the RSSI function of path stability, or over time by moving the position shown on the diagram. CSWM能够显示组合,W及示出覆盖有干扰源和干扰RSSI的网络拓扑(例如,节点、链路、路线)。 CSWM combinations can be displayed, W, and source of interference is shown covered and interference RSSI network topology (e.g., nodes, links, routes). 另外,CSWM能够组合代表接收RF功率的测量结果的值和代表对应的测量时间的值,W生成多点梯度图,其与热红外分布图类似。 In addition, CSWM values can be combined and representatives of corresponding measuring time represents the measured results of the reception of RF power, W to generate multi-point gradient map, which is similar to the thermal infrared maps. 多点梯度图可W针对执行测量的无线设备的已知位置,W各种颜色或阴影来显示代表在对应的测量时间处或对应的测量时间范围上的针对分配的RF信道的接收RF功率的测量结果的级别的值。 Multi-W gradient map can perform the measurement for radio equipment known location, W various colors or shading to show the power of the received RF representatives for distribution on the corresponding measuring time or at a time corresponding to the measurement range of the RF channel the level measurement values. 多点梯度图覆盖无线现场设备网格网络的全部或者一部分,提供了对RF背景和RF干扰级别的易于理解的视觉指示。 Multi-point gradient map covering all or part of a wireless mesh network of field devices, provides a background for RF and RF interference level easily understood visual indication.

[0053] 对于本发明的所有实施例,RSS巧良告是可配置的,从间歇报告(例如,参考开放侦听和寂静子时隙实施例描述的15分钟报告周期)到主动报告(诸如上面针对开放信道时隙实施例描述的那样,其中进行所请求的一系列RSSI测量并且W很小的延迟返回值)。 [0053] For all embodiments of the present invention, RSS Qiao Liang report is configurable from the intermittent reports (for example, see open listening and silence sub-slot embodiments described reporting cycle for 15 minutes) to take the initiative to report (such as the above open channel time slot for the embodiment described herein, wherein a series of RSSI measurements requested and W small delay return value). 应该理解,RSSI测量可W单独地或者W任何组合来使用上面描述的=个网内寂静时间,并且在所有例子中,可W针对使用的每个网内寂静时间单独配置(从间歇到主动)RSS巧良告的频次和响应率。 It should be understood, RSSI measurements W alone or in any combination provided with W = a network as described above silent time, and in all cases, you can use W for each network silence time configured separately (from intermittent to active) RSS Qiao Liang reported the frequency and response rate. 此外,还应该理解,RSS巧良告请求还可W通过规定RF功率测量的预定范围W及丢弃在该预定范围外的所有RSSI读数来过滤用于创建RSS巧良告的RSSI读数。 Furthermore, it should be understood, RSS Qiao Liang also told W request by the provisions of RF power measurement of a predetermined range W and discarded outside the predetermined range to filter all the RSSI readings RSSI readings for creating RSS Qiao Liang sue. 所有的RSS巧良告请求源自CSWM,并且由网络管理器进行协调和实现。 All RSS Qiao Liang report request from CSWM, and coordination and implementation carried out by the Network Manager.

[0054] 在所有的实施例中,具有本地操作员接口化01)的无线设备或者接入点能够显示由无线设备或接入点进行的任何实际的RSSI测量W及由无线设备或接入点根据RSSI测量如上所述确定的代表接收RF测量的值。 [0054] In all embodiments, with local operator interface of 01) of the wireless device or access point is able to show any actual RSSI measurement W by a wireless device or access point and the wireless device or access point value representing the received RF measurements based on RSSI measurements determined as described above. 根据上面描述的实施例,显示的信息仅是保留在本地存储器中的信息。 According to the above described embodiments, the information displayed is only information in the local memory retention.

[0055] 在所有实施例中,如果为了更好地识别RF干扰源的位置需要另外的RSSI测量,贝U 可W使用手持无线设备,包括具有接收RF功率测量能力的无线电装置,诸如符合IEEE 802.15.4标准的无线电装置。 [0055] In all embodiments, if in order to better identify the location of the required additional RF interference source RSSI measurement, at the W U shell using a handheld wireless device, comprising a receiving RF power measurement capability of the radio apparatus, such as compliance with IEEE 802.15 .4 standard radio. 手持无线设备与网络管理器协调W通过本地无线现场设备网格网络与网络管理器通信,W便识别与导致无线设备发射ACK或NACK响应的信号的接收期间不同的时间,诸如开放侦听、寂静子时隙、或者开放信道时隙。 Handheld wireless device and a network manager to coordinate W during the reception by local wireless mesh network of field devices to communicate with the network manager, W then lead to identifying the wireless device transmits ACK or NACK response signals at different times, such as open listening silence sub-slot, or open channel slot. 手持无线设备在本地无线现场设备网格网络中的手持无线设备的用户选择的RF信道上进行RSSI测量。 Handheld wireless devices in a local wireless field devices in a mesh network of wireless handheld device RF channel selected by a user perform RSSI measurements. 在手持无线设备上显示实际的RSSI测量和统计值。 It shows the actual RSSI measurements and statistics on handheld wireless devices.

[0056] 除了检测和定位RF干扰源,本发明还利用其逐个信道的RF频谱分析,通过确定每个RF信道的RF干扰强度和创建每个RF干扰的RF频谱特征图,来识别检测到的RF干扰源。 [0056] In addition to detecting and locating RF interference sources, the present invention also uses its by-channel RF spectrum analysis, by determining each RF channel RF interference strength, and create each RF interference RF spectrum feature map to identify the detected RF interference source. 通过比较RF干扰的RF频谱特征图和已知RF干扰源的RF频谱特征图,可W识别出RF干扰源。 RF interference by comparing the characteristics of the RF spectrum and FIG RF interference source is known RF spectrum characteristic graph at the W RF interference source identified. 由CSWM完成针对干扰源的通用类型(诸如,Wi-Fi)的特性描述。 CSWM completed by the generic type for interference sources (such as, Wi-Fi) characterization. 本发明的CSMW还通过下述方式来识别检测到的RF干扰源:使用代表检测到的RF干扰的对应的测量时间的值来确定RF干扰的时间图样(例如,每90分钟或者每个星期四下午2点的RF干扰)。 CSMW present invention further identifies the detected RF interference source in the following manner: using the representative of the detected RF interference measurement values corresponding to the time period to determine RF interference pattern (e.g., every 90 minutes or every Thursday afternoon 2:00 RF interference). 将该时间图样与已知RF干扰源的时间图样进行比较W识别出RF干扰源。 The time pattern of a known time RF interference source identified pattern is compared W RF interference source. 如上面讨论的其他类型的RF干扰信息一样, CSWM能够在主计算机或者网关上显示干扰源类型和时间图样信息。 RF interference as other types of information, as discussed above, CSWM able to show the source of interference pattern type and time information on the host computer or gateway.

[0057]本发明使用了构成无线现场设备网格网络的无线设备中可用的接收RF功率测量能力来检测RF干扰源。 [0057] The present invention uses the received RF power measurement capability in the wireless field devices in a mesh network of wireless devices available to detect RF interference source. 本发明利用无线设备在网内寂静时间期间馈如开放侦听、寂静子时隙或者开放信道时隙)进行每个RF信道上的多个RSSI测量。 The present invention utilizes a wireless device during the feeding time of silence as the listener in the net open, silent sub-slot or open channel slots) a plurality of RSSI measurements for each RF channel. 在运些时间期间,最可能容易和精确地检测背景或外部RF干扰。 At some time during the operation, most likely to be easily and accurately detect background or external RF interference. 由无线设备根据接收RF功率测量来确定代表接收RF功率的测量结果的值,W及由网络管理器协调和实现,在定期报告中或者备选地响应于来自CWSM 的特定请求,将运些值发送给CWSM。 By a wireless device is determined based on the received RF power measurement representative of the received RF power measurement value, W, and coordinated and implemented by the Network Manager, in the periodic reports or alternatively in response to a specific request from CWSM will transport these values send to CWSM. 运实现了对有助于检测RF干扰源的精确RF干扰测量统计的有效收集,W及操作员调整系统W关注于针对特定位置、RF频带或者时间段进行数据收集和分析的灵活性。 Operation to achieve a precise measurement of the RF interference helps detect RF interference source effectively collect statistics, W, and W the operator to adjust the system to focus on location-specific, RF frequency band or time period for data collection and analysis flexibility. 通过组合来自多个设备的针对每个RF信道的代表RF功率的测量结果的值和代表对应的测量时间的值,可W在任何时间间隔上逐个信道地分析背景噪声和整个网络的RF频谱。 By combining a plurality of devices from a value representative of the RF power for each RF channel measurements a value representing the corresponding measurement time, at any time interval at the W-by-channel basis, the RF spectrum analysis of the background noise and the entire network. 通过将运些分析与已知无线设备位置结合并且利用标准位置和S角算法, 来发现RF干扰源的位置。 Through these analyzes will be shipped with the known location of wireless devices and in combination with standard position and angle S algorithm to find the location of RF interference source. 另外,通过将所述分析和干扰源的通用类型(例如Wi-Fi)的RF特征图进行匹配,来发现RF干扰源的本质特性。 In addition, through the analysis and common types of interference sources (such as Wi-Fi) feature map of the RF matching, to discover the essential characteristics of RF interference sources.

[005引本发明通过仅报告统计信息而不是每个测量结果,最小化了为了提供对RF干扰的检测和定位所需的每个节点上的能量负担。 [005 cited by the present invention is not only reports the statistics for each measurement, minimizing the burden in order to provide energy for each node RF interference detection and localization required for. 通过在开放侦听、开放信道时隙、W及寂静子时隙测量之间变化,能够相对于所需的能量使用率,平衡针对更积极的干扰检测和定位的需求。 By opening between the listener, the open channel time slot, W, and measured sub-slot silent change, with respect to the utilization of the energy required to balance the demand for more positive interference detection and localization. 而且,将数据收集和报告限制于少许节点或充足供电的节点,最小化了在大多数电池供电节点上的能量负担。 Moreover, the data collection and reporting limited to a few nodes or fully powered nodes, minimizing the energy burden on most battery-powered nodes. 另外,因为网络管理器在整个控制和过程监视系统内Wl毫秒内的精确度协调针对所有的无线现场设备网格网络区域的时隙和RF信道分配,所W可W精确地组合来自不同的无线现场设备网格网络区域的无线设备或者接入点的RF干扰信息,W在连续的基础上提供较大区域上的RF干扰的精确位置。 Furthermore, because the network manager in the entire process control and monitoring system accuracy Wl milliseconds coordination for slots and RF channel assignments all wireless field devices mesh network region, the W to W accurately from a combination of different wireless RF field device wireless mesh network area access point device or interference information, W RF interference to provide a large area on a continuous basis on the exact location. 最后,通过W交错的方式协调RSS巧良告和接收确认消息的传输,使得添加的传输负担很好地处于无线现场设备网格网络的传输容量内,对于网络操作的负面影响很小。 Finally, by way of coordinate interleaving W good coincidence receiving an acknowledgment report and the RSS transmission, so that the transmission burden added well within the transmission capacity of wireless field devices of the mesh network, the network is very small negative impact on the operation.

[0059] 已经使用符合IE邸802.15.4标准的无线电装置的示例来描述了本发明。 [0059] have used an example in line with IE Di 802.15.4 radio to describe the present invention. 然而,应该理解,本发明包括具有接收RF强度测量功能的其他无线通协议。 However, it should be understood that the present invention includes a RF reception strength measuring function other wireless communication protocols.

[0060] 尽管已经参考示例性实施例描述了本发明,但是本领域技术人员应该理解,在不偏离本发明的范围的情况下可W做出各种修改W及可W用等效物替代其中的元素。 [0060] Despite the reference to an exemplary embodiment of the invention is described, those skilled in the art would understand, without departing from the scope of the present invention may be the case that various modifications W W W and can be used where alternative equivalents Elements. 另外, 在不偏离本发明的实质范围的情况下,可W对本发明的教导做出许多修改W适应具体的情形和设备。 Further, without departing from the spirit and scope of the present invention, the teachings of the present invention may be W made many modifications W adapt a particular situation and equipment. 因此,主旨在于,本发明不限于所公开的具体实施例,相反本发明将包括落在所附权利要求的范围内的所有实施例。 Thus, the main purpose is, the present invention is not limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

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Classifications
International ClassificationH04B17/345, H04B17/24, H04B17/327
Cooperative ClassificationY02B60/50, H04W24/08, H04B17/345, H04B17/327, H04W84/18, H04W88/08, H04B17/24
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