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Publication numberCN101137091 B
Publication typeGrant
Application numberCN 200710140336
Publication date20 Apr 2011
Filing date9 Aug 2007
Priority date31 Aug 2006
Also published asCN101137091A, EP1895701A2, EP1895701A3, EP1895701B1, US8005051, US20080056173
Publication number200710140336.8, CN 101137091 B, CN 101137091B, CN 200710140336, CN-B-101137091, CN101137091 B, CN101137091B, CN200710140336, CN200710140336.8
Inventors渡边真弘
Applicant富士通株式会社
Export CitationBiBTeX, EndNote, RefMan
External Links: SIPO, Espacenet
Re-transmission control method and relay station apparatus in a relay communication system
CN 101137091 B
Abstract
An apparatus for relaying wireless communication between a transmitting station and a receiving station includes, parts for receiving data including control data and plural data blocks from the transmitting station, lor detecting whether there is an error in the plural data blocks, part for updating the control data when an error is detected in one of the plural data blocks, for preventing an error-detected data block from being transferred to the receiving station, for transferring the updated control data and remaining data blocks to the receiving station, for generating a first negative response signal corresponding to the error-detected data block, for storing the first negative response signal, for combining the first negative response signal with an affirmative response signal or a second negative response signal received from the receiving station according to error detection results by the receiving station, and for transmitting the combined response signal to the transmittingstation.
Claims(12)  translated from Chinese
1. 一种再发送控制方法,该再发送控制方法用于经由中继站在发送站与接收站之间进行无线通信,所述再发送控制方法的特征在于,该再发送控制方法包括以下步骤:a)将包括控制数据和多个数据块的数据从所述发送站发送到所述中继站,所述控制数据包括从所述发送站发送的发送数据量;b)在所述中继站处检测所述多个数据块中是否存在错误;c)在所述中继站处,从所述多个数据块中删除检测到错误的数据块;d)在所述中继站处,当在所述多个数据块中的至少一个数据块中检测到错误时,通过修改所述控制数据的表示根据对检测到错误的数据块的删除而改变的发送数据量的部分来更新所述控制数据;e)将经更新的控制数据和剩余的数据块从所述中继站传送到所述接收站;f)在所述中继站处产生与检测到错误的数据块对应的第一否定响应信号;g)在所述中继站处存储所述第一否定响应信号;h)根据所提取的控制数据在所述接收站处检测从所述中继站传送来的所述剩余数据块中是否存在错误;i)从所述接收站根据步骤h)的检测结果而向所述发送站返回肯定响应信号或第二否定响应信号;j)在所述中继站处将所述第一否定响应信号与所述肯定响应信号或所述第二否定响应信号进行组合;k)将组合的响应信号从所述中继站发送到所述发送站;以及1)从所述发送站再发送与所述第一否定响应信号和所述第二否定响应信号对应的检测到错误的数据块。 A retransmission control method, the retransmission control method for performing radio communication via a relay station between a transmitting station and a receiving station, the retransmission control method wherein the retransmission control method comprising the steps of: a ) will include a data control data and a plurality of data blocks transmitted from the transmitting station to the relay station, the control data includes the amount of transmission data transmitted from the transmitting station; b) at the relay station at detecting the more whether there is a data block error; c) at the relay station, from said plurality of data blocks to delete data block error is detected; d) at the relay station, when the plurality of data blocks at least one data block when an error is detected, the control data by modifying the representation based on the detected delete erroneous data blocks and change the section to transmit data to update the amount of the control data; e) the control of the updated The relay station stores said in g); data and the remaining data block transfer from the relay station to the receiving station; f) generating an error is detected in the data block corresponding to the first negative response signal at the relay station a first negative response signal; h) if there is an error based on the extracted control data detected at the receiving station from the relay station to transmit the remaining data blocks; i) from the receiving station according to step h) of the detection result to the transmitting station returns a negative acknowledgment signal or the second response signal; j) at the relay station to the first negative response signal with the affirmative response signal or the second negative response signal combination ; k) transmitting the combined response signal from the relay station to the transmitting station; and 1) from the transmitting station re-transmits the first negative response signal and the second negative response signal corresponding to the detected error The data block.
2.根据权利要求1所述的再发送控制方法,该再发送控制方法的进一步特征在于,该再发送控制方法还包括以下步骤:分配步骤,对由于在所述中继站处阻止向所述接收站传送检测到错误的数据块而产生的无线传送资源进行分配,其中,将该无线传送资源分配给向所述接收站传送的所述剩余数据块中的一个或更多个。 The retransmission control method according to claim 1, further characterized in that the retransmission control method in that the retransmission control method further comprising the steps of: allocating step, due to prevent the relay station to the receiving station transmission error is detected wireless transmission resources generated data blocks are allocated, wherein the wireless transmission resources assigned to the transmission to the receiving station of the remaining data blocks one or more.
3.根据权利要求2所述的再发送控制方法,该再发送控制方法的特征在于,所述分配步骤包括以下步骤:通过增加冗余位的数量来改变用于传送所述剩余数据块的纠错编码方法。 3. The retransmission control method according to claim 2, the retransmission control method characterized in that said assigning step comprises the steps of: by increasing the number of redundant bits for error correction to change the remaining data blocks transferred correction coding method.
4.根据权利要求2所述的再发送控制方法,该再发送控制方法的特征在于,所述分配步骤包括以下步骤:通过增加码元间距离来改变用于传送所述剩余数据块的调制方法。 4. The retransmission control method according to claim 2, the retransmission control method characterized in that said assigning step comprises the steps of: by increasing the distance between the symbols change the modulation method for transmitting the remaining data blocks .
5.根据权利要求2所述的再发送控制方法,该再发送控制方法的特征在于,所述分配步骤包括以下步骤:通过增加发送功率来改变用于传送所述剩余数据块的发送功率。 5. The retransmission control method according to claim 2, the retransmission control method characterized in that said assigning step comprises the step of: changing transmission power by increasing the transmission power for transmitting the remaining data blocks.
6.根据权利要求1所述的再发送控制方法,该再发送控制方法的进一步特征在于,该再发送控制方法包括以下步骤:分配步骤,对由于在所述中继站处阻止向所述接收站传送检测到错误的数据块而产生的无线传送资源进行分配,其中,将该无线传送资源分配给用于从所述接收站向所述发送站发送数据的其他无线传送资源。 6. The retransmission control method according to claim 1, further characterized in that the retransmission control method in that the retransmission control method comprising the steps of: allocating step of preventing transmission to the receiving station since the relay station in wireless transmission resource detects an error generated data blocks are allocated, wherein the wireless transmission resources allocated to other wireless transmission resource for transmitting data from the receiving station to the transmitting station.
7. —种中继站装置,该中继站装置用于对发送站与接收站之间的无线通信进行中继,所述中继站装置的特征在于,该中继站装置包括:接收部,该接收部用于接收来自所述发送站的包括控制数据和多个数据块的数据, 所述控制数据包括从所述发送站发送的发送数据量;检测部,该检测部用于检测在所述多个数据块中是否存在错误; 删除部,该删除部用于从所述多个数据块中删除检测到错误的数据块; 更新部,该更新部用于当在所述多个数据块中的至少一个数据块中检测到错误时通过修改所述控制数据的表示根据对检测到错误的数据块的删除而改变的发送数据量的部分来更新所述控制数据;传送部,该传送部用于将经更新的控制数据和剩余的数据块传送到所述接收站; 产生部,该产生部用于产生与检测到错误的数据块对应的第一否定响应信号; 存储部,该存储部用于存储所述第一否定响应信号;组合部,该组合部用于将所述第一否定响应信号与从所述接收站接收到的根据所述接收站的检错结果的肯定响应信号或第二否定响应信号进行组合;以及发送部,该发送部用于将组合的响应信号发送到所述发送站。 7. - Species relay station apparatus, the relay station apparatus for a wireless communication between the transmitting station and the receiving station to relay, characterized in that the relay station apparatus, the relay station apparatus comprising: a receiving unit, the receiving unit for receiving from including control data and a plurality of data blocks of the data transmitting station, the control data includes the amount of transmission data from the transmission station transmitted; detecting unit, the detecting portion for detecting whether said plurality of data blocks there is an error; deleted section, the deletion unit for deleting data block error is detected from the plurality of data blocks; updating unit, the update section for, when the plurality of data blocks, at least one data block When an error is detected by modifying the control data representation based on the amount of transmission data detection to delete erroneous data blocks and changed the section to update the control data; transport unit, the transport unit for the updated control data and the remaining data blocks transferred to the receiving station; generating unit, the generating unit for generating an error detecting that the first negative response signal corresponding to the data block; storage unit, the storage unit for storing the first negative acknowledgment signal; combination unit, the composition unit for the first negative response signal received from the receiving station to the receiving station according to error detection result of affirmative response signal or a second negative response signal combination ; and a transmission unit, the transmission unit for transmitting the combined response signal to the transmitting station.
8.根据权利要求7所述的中继站装置,该中继站装置的进一步特征在于,该中继站装置包括:再发送控制/资源管理部,该再发送控制/资源管理部用于对由于在所述中继站装置处阻止向所述接收站传送检测到错误的数据块而产生的无线传送资源进行分配,其中,将该无线传送资源分配给向所述接收站传送的所述剩余数据块中的一个或更多个。 8. The relay station apparatus according to claim 7, further characterized in that the relay station apparatus, the relay station apparatus comprising: a re-transmission control / resource management unit, the retransmission control / resource management part for since the relay station apparatus at preventing transmission error is detected wireless transmission resource generated data block allocated to the receiving station, wherein the wireless transmission resource is assigned to the receiving station to transmit the remaining data blocks in one or more a.
9.根据权利要求8所述的中继站装置,该中继站装置的特征在于,所述再发送控制/资源管理部包括纠错编码方法改变部,该纠错编码方法改变部用于通过增加冗余位的数量来改变用于传送所述剩余数据块的纠错编码方法。 9. The relay station apparatus according to claim 8, characterized in that the relay station apparatus, said re-transmission control / resource management part includes an error correction coding method changing portion, the error correction coding method changing unit for adding redundant bit by changing the number of error correction encoding method for transferring the remaining data blocks.
10.根据权利要求8所述的中继站装置,该中继站装置的特征在于,所述再发送控制/资源管理部包括调制方法改变部,该调制方法改变部用于通过增加码元间距离来改变用于传送所述剩余数据块的调制方法。 10. The relay station apparatus according to claim 8, characterized in that the relay station apparatus, said re-transmission control / resource management part includes a modulation method changing unit, the unit for changing the modulation method by increasing the distance between the symbols is changed by The modulation method for transferring the remaining data blocks.
11.根据权利要求8所述的中继站装置,该中继站装置的特征在于,所述再发送控制/资源管理部包括发送功率改变部,该发送功率改变部用于通过增加发送功率来改变用于传送所述剩余数据块的发送功率。 11. The relay station apparatus according to claim 8, characterized in that the relay station apparatus, said re-transmission control / resource management part includes a transmission power changing section changes the transmission power by increasing the transmission unit is used for transferring power to change the transmission power remaining data blocks.
12.根据权利要求7所述的中继站装置,该中继站装置的进一步特征在于,该中继站装置包括再发送控制/资源管理部,该再发送控制/资源管理部用于对由于在所述中继站装置处阻止向所述接收站传送检测到错误的数据块而产生的无线传送资源进行分配,其中,将该无线传送资源分配给用于从所述接收站向所述发送站发送数据的其他无线传送资源。 12. The relay station apparatus according to claim 7, further characterized in that the relay station apparatus, the relay station apparatus further comprises a transmission control / resource management unit, the retransmission control / resource management part for since the relay station apparatus at the preventing transmission error is detected wireless transmission resource generated data blocks allocated to the receiving station, wherein the wireless transmission resource is assigned to other wireless transmission resources used from the receiving station to the transmitting station for transmitting data .
Description  translated from Chinese

中继通信系统中的再发送控制方法和中继站装置 Relay communication systems retransmission control method and the relay station apparatus

技术领域 Technical Field

[0001] 本发明总体上涉及中继通信系统中的再发送控制方法和中继站装置,更具体地说,涉及用于移动通信的中继通信系统中的再发送控制方法和中继站装置。 [0001] The present invention relates generally to relay communication system retransmission control method and the relay station apparatus, and more particularly, to relay communication system for mobile communications in the retransmission control method and a relay station apparatus.

背景技术 Background

[0002] 近年来并且持续地,为了例如利用便携式电话和无线LAN进行数据通信,越来越多地使用移动通信,存在移动通信的增长使用。 [0002] In recent years and continuing, for example, using a portable telephone and a wireless LAN for data communication, the increasing use of mobile communications, there is a growing use of mobile communication. 因而,正在研究用于实现更快速的数据通信的无线宽带接入系统。 Thus, working on wireless broadband access system for achieving faster data communications.

[0003] 与用于诸如电话通信的用途的常规通信系统相比,希望无线宽带接入系统提供更高的无线质量。 [0003] Compared to conventional communication systems used for purposes such as telephone communications, it is desirable wireless broadband access system provide higher wireless quality. 此外,因为移动站的发送功率由于诸如其有限的电池容量的制约而受限,所以难以扩展可以通过单个无线基站覆盖的无线范围。 Further, since the transmission power of the mobile station is limited due to constraints such as their limited by battery capacity, it is difficult to expand the wireless coverage range through a single wireless base station. 在这些情况下,为了扩展通信业务范围并且提高通信质量,正在研究如下的中继通信系统,所述中继通信系统通过在通信业务范围的远端部分或无线电波不能到达的死区处设置中继站、并且经由该中继站在无线基站与移动站之间进行通信,从而进行中继通信。 Under these circumstances, in order to expand the range of communication services and improve communication quality, is studying the following relay communication system, the relay communication system is provided by the distal end portion of the communication service range or radio waves can not reach the dead zone of the relay station and the relay station between the radio base station and the mobile station via communication, thereby performing relay communication.

[0004] 在移动通信中,例如由于移动站的移动或者无线电波环境(周围的移动物体, 天气等)的变化而使得传送路径随着时间流逝而改变。 [0004] In mobile communications, such as mobile or radio wave due to changes in the environment of the mobile station (surrounding mobile objects, weather, etc.) and makes the transmission path changes over time. 因此,通信数据中的各个数据块(分组)都添加了纠错/检错码元,以使得接收站可以确定解码或再现出的数据中是否存在任何错误。 Therefore, the communication data in each data block (packet) are added error correction / detection symbols, so the receiving station to determine whether there are any errors or decode reproduced data. 在检测到错误的情况下,接收站请求再发送该通信数据。 In the case of an error is detected, the receiving station then sends a request to the communication data. 一种公知的用于自动执行再发送处理的方法是ARQ (自动重复请求)。 A known method for re-transmission processing is automatically executed ARQ (Automatic Repeat Request).

[0005] 此外,另一公知的用于自动执行再发送处理的方法是HARQ(混合自动重复请求)方法,其有效地使用没有成功接收的接收数据(检测到错误的数据)。 Method [0005] Further, another well-known for the automatic re-transmission processing is executed HARQ (Hybrid Automatic Repeat Request) method which effectively uses received data is not successfully received (error detection data). 利用这种HARQ方法,接收站对检测到错误的数据进行缓冲,随后对缓冲的数据和再发送数据进行合成,由此对组合的数据执行解码处理。 HARQ using this method, the receiving station to detect bad data buffers, then data buffer and re-transmission data synthesis, thereby combined data decoding process is performed.

[0006] 在将这种再发送方法用于上述中继通信系统的情况下,必须通过例如考虑发送站与接收站之间的经由一个或更多个中继站的多个传送路径的传送质量以及各个中继站和接收站的处理延迟来优化再发送控制。 [0006] In the case where such re-transmission method for the above-described relay communication system, it is necessary to consider the transmission quality such as transmission path via a plurality of one or more relay stations between a transmitting station and the receiving station and each relay and receiving stations to optimize the processing delay resending control.

[0007] 日本特开2001-196990号公报(下文中,称为“专利文献1” )公开了如下的方 [0007] Japanese Unexamined Patent Publication No. 2001-196990 (hereinafter, referred to as "Patent Document 1") discloses a square

法:通过在数据发送装置与数据接收装置之间设置中继传送装置、并且在不同时执行数据发送和数据接收的情况下对数据进行中继,从而在中继传送系统中执行再发送控制。 Method: relay transmission means provided between the means and the data transmitted by the data receiving means, and not simultaneously perform data transmission and data reception at the data relay case, to perform retransmission control in a relay transmission system.

[0008] 图14示出了通信系统(本发明可以应用到该通信系统)的实施例。 [0008] FIG. 14 shows a communication system (the present invention can be applied to the communication system) Example. 如图14所示,经由中继站(RS)在无线基站(BS)与移动站(MS)#0至#2之间进行通信。 14, via a relay station (RS) in a wireless communications base station (BS) and the mobile station (MS) between # 0 to # 2. 应注意到,也可以无需中继站(RS)介入地在无线基站(BS)与移动站(MS)#3之间直接进行通 It should be noted, you do not need to be a relay station (RS) to intervene in the wireless base station (BS) and the mobile station (MS) # 3 directly pass between

[0009] 下文中,也将无线基站(BS)与中继站(RS)之间的传送路径称为“中继链路”,并且在下文中,也将中继站(RS)与移动站(MS)之间的传送路径称为“接入链路”。 [0009] Hereinafter, the transmission path will be the radio base station (BS) and a relay station (RS) between called "relay link", and hereinafter, also between the relay station (RS) and the mobile station (MS) The transmission path is called "Access link." 在无线基站(BS)与移动站(MS)之间执行其中存在两种类型的无线链接路径(中继链路和接入链路)的通信的情况下,例如,根据传送路径的状况,在任一链路中都可能出现通信数据错误。 Wherein execution of the presence of two types of wireless link paths (relay link and access link) is the communication, for example, depending on the situation of the transmission path, either between the wireless base station (BS) and the mobile station (MS) a link communication data error may occur.

[0010] 图15是示出用于中继通信的无线帧的示例性结构的示意图。 [0010] FIG. 15 is a schematic diagram illustrating an exemplary structure of a radio frame for relaying the communication. 在图15所示实施例中,将一个帧时段分成四个时间阶段。 In the embodiment shown in FIG. 15, one frame period is divided into four time phases. 中继链路分配到无线基站(BS)与中继站(RS) 之间的通信时段。 Relay link communication period assigned to the radio base station (BS) and a relay station (RS) between. 接入链路分配到中继站(RS)与移动站(MS)之间的通信时段。 Access link assigned to the communication session relay station (RS) and the mobile station (MS) between.

[0011] 将两个通信方向的接入定时分别分配到中继链路和接入链路。 [0011] The timing of access to the two communication directions are assigned to the relay link and the access link. 下文中,也将分配到从无线基站(BS)到中继站(RS)的通信以及从中继站(RS)到移动站(MS)的通信的接入定时的通信路径称为“下行链路”。 Hereinafter, it will be assigned to the access timing from the radio base station communication path (BS) to the relay station (RS) and communication from the relay station (RS) to the mobile station (MS) communication called "downlink." 下文中,还将分配到从中继站(RS)到无线基站(BS)的通信和从移动站(MS)到中继站(RS)的通信的接入定时的通信路径称为“上行链路”。 Hereinafter, it will be assigned to the access timing for the communication path from the relay station (RS) to the radio base station (BS) and communication from the mobile station (MS) to the relay station (RS) communication called "uplink."

[0012] 更具体地说,将从无线基站(BS)到中继站(RS)的通信路径称为“下行中继链路”,将从中继站(RS)到移动站(MS)的通信路径称为“下行接入链路”,将从移动站(MS)到中继站(RS)的通信路径称为“上行接入链路”,将从中继站(RS)到无线基站(BS)的通信路径称为“上行中继链路”。 [0012] More specifically, from the radio base station (BS) to the relay station (RS) in a communication path called "downlink relay link", from the relay station (RS) to the mobile station (MS) in a communication path is called "downstream access link", from the mobile station (MS) to the relay station (RS) in a communication path is called "upstream access link", from the relay station (RS) to the radio base station (BS) in a communication path is called "uplink relay link."

[0013] 通信数据中的多个数据块和多个响应信号可以通过例如利用时分复用、频分复用或码分复用而在各个链路的通信时段内传送。 [0013] communication data in a plurality of data blocks and a plurality of response signals may be transmitted within the communication periods of each link multiplexing or code division multiplexing, for example by the use of time division multiplexing, frequency division. 此外,在下行链路中,从无线基站(BS) 发送关于发送数据块的数量(发送数据数量)或帧格式的数据,作为控制数据。 Moreover, in downlink, the number of transmitted (transmission data number) or frame format data on a data block transmitted from the radio base station (BS), as control data.

[0014] 图15所示的实施例是在无线基站(BS)在下行链路中发送去往移动站(MS)的多个数据块(数据#1至#4)并且移动站(MS)在上行链路中向无线基站(BS)发送与接收的数据块对应的响应信号的情况下的帧。 Example [0014] FIG. 15 is a radio base station (BS) in a downlink transmission to the mobile station (MS) of the plurality of data blocks (data # 1 through # 4) and the mobile station (MS) in uplink frame to the radio base station (BS) transmission and reception of data blocks corresponding to the case where the response signal. 在这种情况下,移动站(MS)在数据块数据#2和数据#4中检测到错误,并且在上行链路中发送对于数据#2和数据#4请求再发送的否定响应信号(NACK)#2和#4。 In this case, the mobile station (MS) the data in the data block # 2 and # 4, an error is detected, and transmits a negative response signal (NACK for data # 2 and # 4 requesting data retransmission in the uplink ) # 2 and # 4. 此外,移动站(MS)对于数据#1和#3发送表示成功接收数据的肯定响应信号(ACK) #1和#3。 In addition, the mobile station (MS) for data # 1 and # 3 to transmit data successfully received the affirmative response signal (ACK) # 1 and # 3.

[0015] 应注意到,图15的示例性帧结构是在没有考虑数据块或响应信号的延迟的情况(例如,移动站(MS)的数据码元解码处理或检错处理的延迟致使响应信号在发送其对应数据块相同的帧的几帧之后才到达无线基站、并且阻碍了接收信号在与发送其对应数据块相同的帧内到达无线基站(BS)的情况,以及中继站(RS)的中继处理的延迟致使数据块或响应信号在接收到该数据块或响应信号的帧之后的一个或更多个帧才被中继的情况) 下示出的。 [0015] It should be noted that the exemplary frame structure of Figure 15 is not considered in the case of data block or delay the response signal (e.g., a mobile station (MS) data symbol decoding error detection processing or delay resulting response signal After transmitting the same frame several frames corresponding data block before reaching the radio base station, and hinders the transmission of the received signal at the same frame its corresponding data block reaches the radio base station (BS) of the case, and a relay station (RS) in Following the processing of the delayed response of the signal data block or a data block or receiving the frame signal in response to one or more frames after was only relay) shown below.

[0016] 图16是示出根据图15所示帧的数据通信的顺序图。 [0016] FIG. 16 is a sequence diagram showing data communication according to the frame 15 as shown in FIG. 如图16所示,无线基站(BS)在接收到数据发送请求(16-1)之后,产生包括发送数据数量或帧格式的控制数据(16-2)和发送数据块(16-3)。 As shown in Figure 16, the radio base station (BS) receiving the data transmission request (16-1), the generated control data including transmission data number or frame format (16-2) and transmission data blocks (16-3). 接着,无线基站(BS)经由中继站(RS)向移动站(MS) 发送产生的控制数据(在这个实施例中为控制数据#1)和数据块(在这个实施例中为数据#1、 #2、 #3 和#4)。 Next, the control data radio base station (BS) via a relay station (RS) to the mobile station (MS) sends the generated (in this embodiment, the control data # 1) and data blocks (in this embodiment, the data # 1, # 2, # 3 and # 4).

[0017] 接收到控制数据#1的移动站(MS)提取该控制数据#1中包括的控制数据项(16-4)。 [0017] receiving the control data # 1 of the mobile station (MS) to extract the control data includes control data item # 1 (16-4). 此外,接收到数据#1、#2、#3和#4的移动站(MS)对数据#1、#2、#3和#4 执行检错(16-5)。 In addition, the received data # 1, # 2, # 3 and # 4 of the mobile station (MS) for data # 1, # 2, # 3 and # 4 performs error detection (16-5). 接着,移动站(MS)产生表示检错结果的响应信号(16-6)。 Next, the mobile station (MS) generates the error detection result represents a response signal (16-6). 接着,移动站(MS)经由中继站(RS)向无线基站(BS)发送响应信号ACK#1、ACK#3、NACK#2 以及NACK#4。 Next, the mobile station (MS) via the relay station (RS) to the radio base station (BS) transmits a response signal ACK # 1, ACK # 3, NACK # 2 and NACK # 4. [0018] 接着,接收到来自移动站(MS)的响应信号ACK#1、ACK#3、NACK#2以及NACK#4的无线基站(BS)检测再发送请求(16-7),并且产生再发送控制数据(16_8)。 [0018] Next, receiving a response signal from the mobile station (MS) of the ACK # 1, ACK # 3, NACK # 2 and NACK # 4 of the radio base station (BS) detecting the resending request (16-7) and generates re- transmitting control data (16_8). 接着,无线基站(BS)经由中继站(RS)向移动站(MS)发送产生的再发送控制数据,作为控制数据#2。 Subsequently, the radio base station (BS) via the relay station (RS) to the mobile station (MS) transmits the generated re-transmission control data as control data # 2. 此外,无线基站(BS)产生再发送数据块(16-9)并且经由中继站(RS) 向移动站(MS)发送产生的再发送数据块,作为再发送数据块数据#2和数据#4。 In addition, the radio base station (BS) generates re-transmission data blocks (16-9) and via the relay station (RS) to the mobile station (MS) transmits the generated re-transmission data blocks as re-transmission data block # 2 and the data # 4.

[0019] 接收到再发送控制数据#2的移动站(MS)提取控制数据#2中包括的控制数据项(16-10)。 [0019] receiving the retransmission control data # 2 of the mobile station (MS) to extract control data includes control data item # 2 (16-10). 此外,接收到再发送数据块数据#2和数据#4的移动站(MS)对再发送数据块数据#2和数据#4执行检错(16-11)。 In addition, the received data and then transmit the data block # 2 and # 4 of mobile data station (MS) to re-transmit data block # 2 and # 4 performs data error detection (16-11). 接着,移动站(MS)产生表示检错结果的响应信号(16-12)并且经由中继站(RS)向无线基站(BS)发送产生的响应信号ACK#2和ACK#4。 Next, the mobile station (MS) generates the error detection result indicates a response signal (16-12) and a response signal via the relay station (RS) to the radio base station (BS) transmits the generated ACK # 2 and ACK # 4.

[0020] 在根据上述顺序图的中继站(RS)中,将从无线基站(BS)通过中继链路接收的控制数据和数据块原样地直接发送到接入链路。 [0020] In the above-described sequence diagram of a relay station (RS), and from a radio base station (BS) received by the relay link control data and the data as it is sent directly to block access link. 此外,将从移动站(MS)通过接入链路接收的响应信号原样地直接发送到中继链路。 In addition, from the mobile station (MS) via an access link in response to the received signal as it sent directly to the relay link.

[0021] 因此,因为从无线基站(BS)通过下行中继链路接收数据块的中继站(RS)将所有接收到的数据块通过下行接入链路传送给移动站(MS)而不对接收到的数据块执行检错,所以在从无线基站(BS)接收到的数据块中存在错误的情况下,由于将数据块原样地发送到下行接入链路,所以不能防止从中继站(RS)发送无效数据。 [0021] Thus, since the radio base station (BS) via the relay station downlink relay link received data block (RS) all received data blocks transmitted via the downlink access link to the mobile station (MS) not received The data block performs error detection, there is received from the wireless base station (BS) to a data block in the wrong circumstances, since the data blocks as transmitted to downlink access link, it can not be prevented from relay station (RS) Send invalid data.

[0022] 因此,中继站(RS)的这种发送浪费了发送电力,并且无效地使用了无线传送资源(问题1)。 [0022] Thus, the relay station (RS) transmits a waste of transmission power, and ineffective use of wireless transmission resources (Problem 1). 此外,在这种情况下,因为基于无效数据来执行解码处理和检错处理,移动站(MS)的处理变得延迟。 Further, in this case, since the decoding is performed based on the invalid data processing and error detection processing, the mobile station (MS) become delayed processing. 执行这种处理的使用电力也浪费了电力(问题2)。 Such a process is the use of electricity but also a waste of electricity (Question 2).

[0023] 图17是示出在当中继站(RS)检测下行中继链路的数据错误时不向下行接入链路发送错误数据的情况下的示例性帧结构的示意图。 [0023] FIG. 17 is a diagram showing in when the relay station (RS) is not down the line when the data error detecting downward relay link access link transmission error data are available exemplary frame structure. 此外,图18是示出根据图17所示帧的数据通信的顺序图。 In addition, FIG. 18 is a sequence diagram showing data communication frame shown in Figure 17 in accordance with. 在图18所示的顺序图中,中继站(RS)对通过下行中继链路接收到的数据块数据#1、#2、#3和#4执行检错(18-1),删除检测到错误的数据#4 (18-2), 并且向下行接入链路传送没有错误的数据块数据#1、#2和#3。 In the sequence diagram shown in Figure 18, the relay station (RS) to received via downlink relay link block data # 1, # 2, # 3 and # 4 performs error detection (18-1), remove the detected erroneous data # 4 (18-2), and down the line access link transmission without error block data # 1, # 2 and # 3. 由此,因为没有将数据块#4传送到下行接入链路,所以在下行接入链路中产生空白空间。 Thus, because there is no data block # 4 to the downlink access link, so a blank space in the downlink access link.

[0024] 接着,按和图16相同的方式,经由中继站(RS)接收到来自基站(BS)的控制数据#1的移动站(MS)从该控制数据#1中提取控制数据项(16-4)。 [0024] Next, press and 16 in the same manner, via the relay station (RS) receives the control data from the base station (BS) of the # 1 mobile station (MS) to extract data from the control data item # 1 controls (16- 4). 接着,经由中继站(RS)接收到来自基站(BS)的数据块数据#1、#2和#3的移动站(MS)对数据块#1、#2 和#3执行检错(包括检测没有接收到的数据)(16-5)并且产生响应信号(16-6)。 Then, via a relay station (RS) receives a data block from the base station (BS) of # 1, # 2 and # 3 of the mobile station (MS) of the data block # 1, # 2 and # 3 to perform error detection (including detecting no received data) (16-5) and generates a response signal (16-6). 在移动站(MS)检测到数据块数据#2中有错误并且没有接收到数据块数据#4的情况下,移动站(MS)经由上行接入链路和上行中继链路向无线基站(BS)返回(发送)否定响应信号NACK#2 和#4。 The mobile station (MS) detects the data in the data block # 2 has no error and the data received at the block data # 4, the mobile station (MS) via an upstream access link and uplink relay link to the wireless base station ( BS) return (send) a negative response signal NACK # 2 and # 4.

[0025] 接着,中继站(RS)还对再发送数据块数据#2和#4执行检错(18-3),如果在再发送数据块中检测到任何错误,则删除检测到错误的再发送数据块(18-4),并且向移动站(MS)发送无错误的数据块数据#2和#4。 [0025] Next, a relay station (RS) also on the resending data block # 2 and # 4 performs error detection (18-3), if the retransmitted data block any errors are detected, then remove the detected error retransmission data blocks (18-4) and send error-free data block data to the mobile station (MS) # 2 and # 4.

[0026] 如图17和18所示,尽管可以通过在中继站(RS)处删除检测到错误的数据块并且阻止向移动站(MS)传送检测到错误的数据块来解决上述问题1,但不能解决上述问题2。 [0026] FIG. 17 and 18, although by the relay station (RS) to delete an error is detected at the data block and prevent the transmission of the data block error is detected to solve the above problems 1 to the mobile station (MS), but can not 2 to solve the above problems. 此外,不能有效地利用由于阻止向移动站(MS)传送检测到错误的数据块而产生的可用(空白)无线传送资源(除非进行一些改进)(问题3)。 In addition, you can not effectively use the transmission error is detected by preventing data blocks to the mobile station (MS) can be used to produce (blank) wireless transmission resource (unless some improvements) (Question 3). [0027] 即,一般来说,移动站(MS)基于来自无线基站(BS)的控制数据(例如指定了发送定时、调制方法以及纠错编码方法)来发送并接收数据块。 [0027] That is, in general, the mobile station (MS) based on the control data from the radio base station (BS) (e.g., transmission timing is specified, the error correction coding method and the modulation method) for sending and receiving data blocks. 因此,即使中继站(RS) 删除错误数据块并且在下行接入链路中产生空白(可用)空间,也不能利用该可用无线传送资源,除非在控制数据的指定内容上进行改动。 Therefore, even if the relay station (RS) to delete erroneous data blocks and a blank (available) space in downlink access link can not take advantage of the available radio transmission resources, unless the changes in the control data specified content.

[0028] 尽管专利文献1中公开的中继传送系统执行与参照图17和18所述的操作类似的操作,但该中继传送系统中的中继站设置有用于将从发送站发送来的数据存储在其中的再发送缓冲器。 [0028] Although the relay transmission system disclosed in Patent Document 1 performs the operation with reference to FIGS. 17 and 18 according to the similar procedure, but the relay transmission system is provided with a relay station for transmission from the transmitting station to the data storage in which the retransmission buffer. 因此,在中继站接收到来自接收站的再发送请求时,中继站并不向发送站传送该再发送请求,而是向接收站发送存储在再发送缓冲器中的数据,作为再发送数据。 Therefore, when the relay station receives the retransmission request from the receiving station, the relay station to the transmitting station does not transmit the resending request, it transmits the data stored in the retransmission buffer, and then send the data to a receiving station.

[0029] 尽管专利文献1中公开的中继传送系统可以省略向上行中继链路发送再发送请求的处理,但该中继传送系统需要在中继站中设置再发送缓冲器。 [0029] Although the relay transmission system disclosed in Patent Document 1 can omit the transmission processing to the upstream relay link transmission request again, but the relay transmission system requires re-transmission buffer provided in the relay station. 这使将数据存储在再发送缓冲器中的处理以及管理存储在再发送缓冲器中的数据的丢弃的处理复杂化(问题4)。 This makes the processing and management of data stored in the retransmission buffer storage in data retransmission buffer discard processing complicated (Question 4). 此外,这种中继传送系统具有和问题3相同的问题:没有有效地利用在阻止传送检测到错误的数据块时产生的下行接入链路的无线传送资源的方法。 In addition, this relay transmission system has the same problem as 3: There is no effective method of using radio transmission resources in the prevention of the transmission error is detected when a data block generated downlink access link.

[0030] 图19是示出在中继站对从下行中继链路和上行接入链路接收到的信号进行缓冲并且以异步方式分离地操作中继链路和接入链路的情况下的示例性帧结构的示意图。 [0030] FIG. 19 is a diagram showing an example of the case where the relay station receives from the uplink and downlink relay access link signal is buffered and operate asynchronously separate relay link and the access link under schematic diagram of the frame structure. 图20是示出根据图19所示帧的数据通信的顺序图。 FIG 20 is a sequence diagram showing data communication according to the frame 19 as shown in FIG. 利用图19和20所示结构,中继链路和接入链路分别可以有效使用可用无线传送资源。 19 use and structure, as shown in the relay link and the access link 20 may be efficient use of available radio transmission resources respectively. 然而,这种结构需要在中继站(RS)中分别设置对应于下行链路和上行链路的再发送缓冲器。 However, this arrangement needs to be set corresponding to downlink and uplink transmission buffer, respectively, and then the relay station (RS) in. 这增加了中继站(RS)的尺寸并且造成了安装中继站(RS)方面的困难。 This increases the relay station (RS) and the size makes it difficult to install a relay station (RS) area.

[0031] 此外,因为接入链路是按与中继链路异步的方式工作的,所以无线基站(BS)不能够直接把握(了解)移动站(MS)的通信质量的状态。 [0031] In addition, since the access link and the relay link is based on an asynchronous manner, so that the radio base station (BS) can not directly grasp (understand) state of the mobile station (MS) of the communication quality. 因此,在例如无线基站(BS)对整个业务范围中的每一个移动站设置了优先级(QoS)的情况下,无线基站(BS)在根据优先级(QoS)调度和分配无线资源期间,不能对其无线资源进行统一控制。 Thus, for example, the radio base station (BS) in the entire operational range of each mobile station sets the next priority (QoS), the radio base station (BS) in a radio resource allocation according to the scheduling priority period (QoS) and not unified control their radio resources. 这使得无线基站(BS)难以对应于移动站(MS)的通信质量来分配无线资源(问题5)。 This makes the radio base station (BS) the mobile station communication quality is difficult (MS) corresponding to allocate radio resources (Problem 5).

发明内容 DISCLOSURE

[0032] 本发明可以提供本质上消除了因现有技术的局限和缺点而造成的一个或更多个问题的再发送控制方法和中继站装置。 [0032] The present invention provides a method to eliminate the re-transmission control unit and the relay station due to the limitations and disadvantages of the prior art caused by one or more of the problems of nature.

[0033] 本发明的特征和优点将在下面的说明中进行阐述,并且根据该说明和附图将部分地变清楚,或者可以通过根据该说明中提供的教导来实施本发明而获知。 [0033] The features and advantages of the invention will be set forth in the following description and from the description and drawings, will become clear in part, or may be provided according to the teachings of the description of embodiments of the present invention to be learned. 通过在说明书中按照使得本领域普通技术人员能够实施本发明的充分、清楚、简洁且精确的术语而具体指出的再发送控制方法和中继站装置,将认识到并实现本发明的目的以及其他特征和优点。 By specification according to enable those skilled in the art full, clear, concise, and exact terms of the present invention can be implemented and specified that the retransmission control method and the relay station apparatus, will recognize and achieve the object and other features of the invention and advantages.

[0034] 为了实现这些和其他优点,并且根据如在此具体实施和广泛描述的本发明的宗旨,本发明的实施方式提供了一种再发送控制方法,该再发送控制方法用于经由中继站在发送站与接收站之间进行无线通信,该方法包括以下步骤:a)将包括控制数据和多个数据块的数据从所述发送站发送到所述中继站;b)在所述中继站处检测所述多个数据块中是否存在错误;c)在所述中继站处,当在所述多个数据块中的至少一个数据块中检测到错误时,更新所述控制数据;d)阻止将在所述中继站处检测到错误的数据块传送到所述接收站;e)将经更新的控制数据和剩余数据块从所述中继站传送到所述接收站;f)在所述中继站处产生与检测到错误的数据块对应的第一否定响应信号;g)在所述中继站处存储所述第一否定响应信号;h)在所述接收站处检测从所述中继站传送来的所述剩余数据块中是否存在错误;i)从所述接收站根据步骤h)的检测结果向所述发送站返回肯定响应信号或第二否定响应信号;j)在所述中继站处将所述第一否定响应信号与所述肯定响应信号或所述第二否定响应信号进行组合;k)将组合的响应信号从所述中继站发送到所述发送站;以及1)从所述发送站再发送与所述第一否定响应信号和所述第二否定响应信号对应的检测到错误的数据块。 [0034] To achieve these and other advantages and in accordance with the purposes as embodied and broadly described the present invention, the embodiment of the present invention there is provided a retransmission control method, the retransmission control method via a relay station performing radio communication between a transmitting station and a receiving station, the method comprising the following steps: a) the data comprises control data and a plurality of data blocks transmitted from the transmitting station to the relay station; b) detecting said relay station in the existence of said plurality of data blocks in error; c) at the relay station, when at least one data block in the plurality of data blocks when an error is detected, updating the control data; d) stop in the said relay station detects erroneous data block is transferred to the receiving station; e) the control of the updated data and the remaining data blocks transmitted from the relay station to the receiving station; f) generating detected at the relay station erroneous data block corresponding to a first negative response signal; g) a first negative response signal at the relay station at said storage; h) detecting said transmission from the relay station to the remaining data blocks at the receiving station if there are errors; i) returned from the receiving station according to step h) of the detection result to the transmitting station a negative acknowledgment signal or the second response signal; j) at the relay station to the first negative response signal and The affirmative response signal or the second negative response signal combining; k) transmitting the combined response signal from the relay station to the transmitting station; and 1) and said first negative transmitting from the transmitting station re- response signal and the second signal corresponding to the detected negative response to erroneous data blocks.

[0035] 此外,本发明的另一实施方式提供了一种中继站装置,该中继站装置用于对发送站与接收站之间的无线通信进行中继,所述中继站装置包括:接收部,该接收部用于接收来自所述发送站的包括控制数据和多个数据块的数据;检测部,该检测部用于检测在所述多个数据块中是否存在错误;更新部,该更新部用于当在所述多个数据块中的至少一个数据块中检测到错误时更新所述控制数据;阻止部,该阻止部用于阻止向所述接收站传送检测到错误的数据块;传送部,该传送部用于将经更新的控制数据和剩余数据块传送到所述接收站;产生部,该产生部用于产生与检测到错误的数据块对应的第一否定响应信号;存储部,该存储部用于存储所述第一否定响应信号;组合部,该组合部用于将所述第一否定响应信号与从所述接收站接收到的根据所述接收站的检错结果的肯定响应信号或第二否定响应信号进行组合;以及发送部,该发送部用于将组合的响应信号发送到所述发送站。 [0035] In addition, another embodiment of the present invention there is provided a relay station apparatus, the relay station apparatus for a wireless communication between the transmitting station and the relay station, the relay station apparatus comprising: a receiving unit, the receiving It includes a control unit for receiving the data and a plurality of data blocks of data from the transmitting station; detecting unit, the detection unit for detecting whether there is an error in the plurality of data blocks; updating unit, the update section for Update When the plurality of data blocks in at least one data block error is detected in the control data; blocking portion, the blocking portion for preventing transmission to the receiving station detects an error in the data block; a transport unit The transport unit is used to control the updated data and the remaining data block is transferred to the receiving station; generating unit, the generating unit for generating an error is detected in the data block corresponding to the first negative response signal; a storage unit, the acknowledgment combination unit, the composition unit for the first negative response signal received from the receiving station to the receiving station according to error detection result; a storage unit for storing the first negative response signal negative acknowledgment signal or the second combined signal; and a transmission unit, the transmission unit for transmitting the combined response signal to the transmitting station.

[0036] 结合附图来阅读以下详细说明,本发明的其他目的和进一步特征将显而易见。 [0036] with reference to the following detailed description, other objects and further features of the present invention will become apparent. 附图说明 Brief Description

[0037] 图1是示出根据本发明实施方式的中继通信的帧的示例性结构的示意图; [0037] FIG. 1 is a diagram showing an exemplary structure of a frame relay communication according to an embodiment of the present invention;

[0038] 图2是示出根据图1所示帧的数据通信的顺序图; [0038] FIG. 2 is a sequence diagram showing data communication according to the frame shown in Figure 1;

[0039] 图3是示出根据本发明实施方式的在有效利用无线传送资源的情况下的示例性帧结构的示意图; [0039] FIG. 3 is a diagram showing an exemplary frame structure in the effective use of wireless transmission resources embodiment of the present invention, according to case;

[0040] 图4是示出根据图3所示帧的数据通信的顺序图: [0040] FIG. 4 is a sequence diagram illustrating a data communication frame shown in FIG. 3:

[0041] 图5是示出根据本发明实施方式的有效利用无线传送资源的实施例(在这个实施例中为改变纠错编码方法)的流程图; [0041] FIG. 5 is a flowchart showing (in this embodiment to change the error correction coding method) according to an embodiment of the efficient use of wireless transmission resources embodiment of the present invention;

[0042] 图6是示出根据本发明实施方式的有效利用无线传送资源的实施例(在这个实施例中为改变调制方法)的流程图; [0042] FIG. 6 is a graph showing (to change the modulation method in this embodiment) of the flow chart according to an embodiment of the efficient use of wireless transmission resources embodiment of the present invention;

[0043] 图7是示出根据本发明实施方式的有效利用无线传送资源的实施例(在这个实施例中为改变发送功率)的流程图; [0043] FIG. 7 is a flowchart showing (in this embodiment to change the transmission power) according to an embodiment of the efficient use of wireless transmission resources embodiment of the present invention;

[0044] 图8是示出根据本发明实施方式的在使用OFDM通信方法的情况下向副载波分配发送功率的实施例的示意图; [0044] FIG. 8 is a schematic diagram illustrating an embodiment of the transmission power to the sub-carrier allocation in the case of using OFDM communication method according to an embodiment of the present invention;

[0045] 图9是示出根据本发明实施方式的在有效利用无线传送资源的情况下(在这个实施例中为改变上行接入链路)的示例性帧结构的示意图; [0045] FIG. 9 is a diagram showing the case of wireless transmission resources (in this embodiment, to change the uplink access link) is an exemplary frame structure in accordance with the effective use of the embodiment of the present invention;

[0046] 图10是示出根据本发明实施方式的无线基站(BS)的示例性结构的示意图;[0047] 图11是示出根据本发明实施方式的移动站(MS)的示例性结构的示意图; [0046] FIG. 10 is a diagram showing an exemplary configuration according to an embodiment of the present invention, the radio base station (BS); and [0047] FIG. 11 is a diagram illustrating an embodiment of the present invention, a mobile station (MS) of an exemplary structure schematic;

[0048] 图12是示出根据本发明实施方式的中继站(RS)的示例性结构的示意图; [0048] FIG. 12 is a diagram illustrating an embodiment of the present invention, a relay station (RS) in accordance with an exemplary structure;

[0049] 图13是示出根据本发明实施方式的其中中继站(RS)执行HARQ(混合自动重复请求)的中继站(RS)的示例性结构的示意图; [0049] FIG. 13 is a diagram showing an exemplary configuration of performing HARQ according to an embodiment of the present invention wherein the relay station (RS) (Hybrid Automatic Repeat Request) of the relay station (RS); and

[0050] 图14示出了通信系统(本发明可以应用于该通信系统)的实施例; [0050] FIG. 14 shows a communication system (the present invention can be applied to the communication system) Example;

[0051] 图15是示出中继通信的无线帧的示例性结构的示意图; [0051] FIG. 15 is a schematic diagram illustrating an exemplary configuration of a radio relay communication frame;

[0052] 图16是示出根据图15所示帧的数据通信的顺序图; [0052] FIG. 16 is a diagram illustrating a data communication sequence diagram shown in frame 15;

[0053] 图17是示出在不向下行接入链路发送错误数据的情况下的示例性帧结构的示意图; [0053] FIG. 17 is a schematic illustration of the frame structure illustrated case without access link sent down the line under the erroneous data;

[0054] 图18是示出根据图17所示帧的数据通信的顺序图; [0054] FIG. 18 is a diagram illustrating a data communication sequence diagram shown in frame 17;

[0055] 图19是示出在通过中继站(RS)执行缓冲的情况下的示例性帧结构的示意图; 以及 [0055] FIG. 19 is a schematic view of an exemplary frame structure in the case where the buffer via the relay station (RS) is shown; and

[0056] 图20是示出根据图19所示帧的数据通信的顺序图。 [0056] FIG. 20 is a sequence diagram showing data communication according to the frame 19 as shown in FIG. 具体实施方式 DETAILED DESCRIPTION

[0057] 下面,参照附图,对本发明的实施方式进行说明。 [0057] Referring to the drawings, embodiments of the present invention will be described.

[0058] 图1是示出根据本发明实施方式的在执行中继通信的情况下的示例性帧结构的示意图。 [0058] FIG. 1 is a diagram showing the case of performing relay communication frame structure of an exemplary embodiment of the present invention. 图2是示出根据图1所示帧的数据通信的顺序图。 FIG 2 is a sequence diagram showing data communication according to the frame shown in Figure 1. 在图2中,中继站(RS)对通过下行中继链路接收到的数据块执行检错(18-1),接着,中继站(RS)向移动站(MS) (接收站)传送没有错误的数据块,并且通过删除检测到错误的数据块来阻止向下行接入链路传送检测到错误的数据块(18-2)。 In Figure 2, a relay station (RS) of downlink relay link received by the data block to perform error detection (18-1), and then, the relay station (RS) transmits to the mobile station (MS) (receiving station) without error data block, and an error is detected by removing the data block to block access link transmitted down the line to detect erroneous data blocks (18-2). 伴随着阻止传送检测到错误的数据块,中继站(RS)基于通过下行中继链路接收到的控制数据#1产生新控制数据#2(2-1)。 With the prevention of the transmission of the data block error is detected, a relay station (RS) through a downlink relay link based on the received control data to generate new control data # 1 # 2 (2-1). 中继站(RS) 通过修改控制数据#1的表示根据对检测到错误的数据块的删除而改变的发送数据量的部分来产生(更新)控制数据#2。 Relay station (RS) by modifying the control data # 1 based on the detected representation delete erroneous data blocks and change the section to transmit the amount of data to generate (updated) control data # 2. 接着,中继站(RS)向下行接入链路发送产生的控制数据#2。 Then, the relay station (RS) down the line control sends the generated data access link # 2. 此外,中继站(RS)产生表示检测到错误的数据块的再发送请求的否定响应信号(NACK),并且将该否定响应信号存储在其中。 In addition, a relay station (RS) said the negative response signal generated (NACK) detects erroneous data block retransmission request, and the negative response signal stored therein.

[0059] 接收到从中继站(RS)传送来的数据块(在这个实施例中为数据块数据#1、#2和#3)的移动站(MS)对接收到的数据块执行检错(16-5)。 [0059] received transmitted from the relay station (RS) to block the implementation of a data block error detection mobile station (MS) received ((in this case, block data # 1, # 2 and # 3 implementation) 16-5). 移动站(MS)根据检测结果产生响应信号,并且向上行接入链路发送产生的响应信号(16-6)。 The mobile station (MS) generates a response signal based on the detection result, and in response to the upward signal line (16-6) transmits the generated access link. 中继站(RS)将其存储的再发送请求的否定响应信号(NACK)(即,对从下行中继链路接收到的检测到错误的数据块的再发送请求)添加(组合)到从上行接入链路接收到的响应信号(2-2),并且通过上行中继链路向无线基站(BS)(发送站)发送该响应信号。 Negative response signal relay station (RS) to be stored and then sent the request (NACK) (ie, to receive from a downstream relay link to that detected the error and then sends the requested data block) is added (combined) to pick from upstream link into the received response signal (2-2), and transmits the response signal through the uplink relay link to the wireless base station (BS) (transmitting station).

[0060] 通过上行中继链路从中继站(RS)接收到响应信号的无线基站(BS)检测接收到的响应信号中的再发送请求(16-7),由此执行针对与下行中继链路对应的检测到错误的数据块(在这个实施例中为数据块数据#4)以及与下行接入链路对应的检测到错误的数据块(在这个实施例中为数据块数据#2)的再发送处理。 [0060] received through the uplink relay link from the relay station (RS) to the radio base station a response signal (BS) is detected in the received response signal re-transmission request (16-7), thereby performing the downlink relay for chain Road corresponding error was detected data block (in this embodiment as block data # 4) and the downlink access link corresponding to the detected erroneous data block (in this embodiment, the data block # 2) retransmission process. 再发送处理包括产生再发送控制数据和产生再发送数据的处理(16-8、16-9)。 Retransmission processing includes generating the resending control data and generating re-transmission data processing (16-8,16-9).

[0061] 图2示出了在再发送的数据中没有出现错误的情况。 [0061] FIG. 2 shows a case where the data is then transmitted with no errors. 当中继站(RS)在通过下行中继链路接收到的数据(包括控制数据#3和肯定响应信号ACK#2、#4)中没有检测到错误时,中继站(RS)向移动站(MS)传送从无线基站(BS)接收到的控制数据#3和肯定响应信号ACK#2、#4 ((2-3)和(2-4))。 When received by a data relay station downlink relay link (RS) in (including control data # 3 and acknowledgment signal ACK # 2, # 4) is not an error is detected, the relay station (RS) to the mobile station (MS) transfer data received from the wireless base station (BS) to control data # 3 and acknowledgment signal ACK # 2, # 4 ((2-3) and (2-4)).

[0062] 根据图2的顺序图中的上述处理,移动站(MS)不需要针对与下行中继链路对应的检测到错误的数据块执行解码处理、检错处理或响应信号产生处理。 [0062] without performing the decoding process for the downlink relay link corresponding to the detected erroneous data block in accordance with the sequence diagram of FIG. 2 above-described processing, the mobile station (MS), an error detection process or a response signal generation process. 此外,移动站(MS)不需要准备用于上行接入链路中的再发送请求的对应响应信号的无线资源。 In addition, the mobile station (MS) is not required to prepare for a response signal corresponding to the uplink radio access link resource re-transmission request. 由此, 可以将该无线资源用于上行接入链路中的其他通信。 Thereby, radio resources for the uplink access other communication link.

[0063] 常规地讲,可能存在如下情况:中继站(RS)的中继处理中的延迟或移动站(MS)的响应处理中的延迟致使中继处理或响应处理并不在与目标接收数据对应的帧而是在随后的帧中执行。 [0063] Conventionally speaking, there may be the following: a relay station (RS) processing delay relay or mobile station (MS) in response to the processing delay causes the relay process or the response processing is not received in the data corresponding to the target frame but executed in a subsequent frame. 然而,在从下行中继链路接收到的数据中检测到错误的情况下, 根据本发明实施方式的中继站(RS)按照标识出检测到错误的数据块的形式向无线基站(BS)发送再发送请求。 However, the reception from the downlink data relay link to the next error is detected, the transmission to the radio base station (BS) in accordance with the identified data block in the form of an error is detected in accordance with an embodiment of the present invention, a relay station (RS) again Send requests.

[0064] 和常规情况相比,本发明的上述实施方式使得能够在较早的帧中在上行中继链路中发送来自移动站(MS)的再发送请求。 [0064] Compared with the conventional case, the above-described embodiments of the present invention makes it possible at an early uplink frame relay link transmitting the resending request from the mobile station (MS) of. 由此,可以缩短再发送响应到达无线基站(BS)的时间。 This makes it possible to shorten the response arrives resending radio station (BS) time. 因而,移动站(MS)可以在较早的帧中接收到再发送数据。 Accordingly, the mobile station (MS) can receive the resending data in an earlier frame.

[0065] 在本发明的上述实施方式中,因为中继站(RS)可以检测到通过下行中继链路发送来的数据块中的错误并且标识出检测到错误的数据块,所以例如可以通过下面的方式来实现来自中继站(RS)的再发送请求: [0065] In the above-described embodiments of the present invention, since the relay station (RS) can be detected by the downlink relay link transmission data block to the error and an error is detected identification data block, so for example, by the following ways to achieve longer transmission request from the relay station (RS) is:

[0066] (1)在上行中继链路中分配专用于发送响应信号的资源, [0066] (1) In the uplink relay link dedicated for transmitting response resource allocation signal,

[0067] (2)将从移动站(MS)接收到的响应信号(该响应信号要向上行中继链路传送) 转换成使得能够标识在中继站(RS)中检测到的错误的响应信号,并且发送经转换的响应 [0067] (2) from the mobile station (MS) receives the response signal (the response signal To transmit the uplink relay link) into enables identification relay station (RS) in response to the detected error signal, and transmits the converted response

信号, Signal,

[0068] (3)通过上行中继链路的通常的基于共享争用的资源来发送再发送请求,以及 [0068] (3) by a conventional contention-based shared resource to transmit the resending request uplink relay link, and

[0069] (4)将再发送请求添加到向上行中继链路发送的其他数据块,并且发送添加了再发送请求的数据块。 [0069] (4) add a further send requests to other data blocks to the upstream relay link transmission and sends the request to add the resending data block. 此外,在不能获取用于向上行中继链路发送再发送请求的合适资源的情况下,可以使得再发送请求的发送等待(待机)预定时段。 Further, in the resource can not be obtained for the appropriate re-transmission request to the upstream relay link transmission case, so that re-transmission request transmission wait (standby) for a predetermined period.

[0070] 因为图2中说明的上述处理可以与无线基站(BS)在控制数据中设置的调度同步执行,而不必针对单帧中的每一个阶段来改变中继链路和接入链路中的资源分配,所以不必向无线基站(BS)报告数据的改变即可实现这些处理。 [0070] FIG. 2 as described in the above process can be set in the control data synchronizations are scheduled to perform with the radio base station (BS), rather than a single frame for each stage to change the relay link and the access link allocation of resources, it is not necessary to change the wireless base station (BS) report data to achieve these processes. 由此,无线基站(BS)不需要改变其控制整个无线帧的方法。 Thereby, the radio base station (BS) need not change its method of controlling the entire wireless frame.

[0071] 通过执行图2的顺序图所示的处理,阻止向下行接入链路传送数据块数据#4的处理用于在下行接入链路的无线传送资源中产生空白空间(空位)(参见图1)。 Processing [0071] By performing the sequence diagram shown in FIG. 2, down the line to prevent access link transmitting data processing block data # 4 for producing empty space (vacancy) in a wireless transmission resource in the downlink access link ( See Figure 1). 此外,因为在上行接入链路中不发送对应于数据块数据#4的响应信号,所以可以在上行接入链路的无线传送资源中产生空白空间(空位)(参见图1)。 Further, since the uplink access link does not transmit data corresponding to the data block # 4 of the response signal, it is possible to produce a blank space (gap) (see FIG. 1) in a wireless transmission resource in the upstream access link.

[0072] 图3是示出根据本发明实施方式的在有效利用上述可用无线传送资源的情况下的示例性帧结构的示意图。 [0072] FIG. 3 is a diagram showing an exemplary frame structure of the above-described available wireless transmission resources in the case where the effective use of the embodiment according to the present invention. 图4是示出根据图3所示帧的数据通信的顺序图。 FIG 4 is a sequence diagram showing data communication according to the frame shown in Fig. 在中继站(RS)在通过下行中继链路接收到的数据块中检测到错误的情况下,从要向移动站(MS) 传送的其他剩余数据中删除检测到错误的数据块。 In the relay station (RS) is detected by the down-relay links in the received data block to the case of an error, the other remaining data to the mobile station (MS) transmission error is detected deleted data blocks. 因此,将原本准备用于被删除数据块的无线传送资源组合(添加)到准备分配给其他剩余数据(没有错误的数据块)的其他无线传送资源。 Therefore, originally intended for the data block is deleted wireless transmission resource combination (add) to other wireless transmission resources to be distributed to the other remaining data (no error data block). 由此,将包括经组合(添加)的无线传送资源的无线传送资源分配给没有错误的数据块(4-1)。 Thus, the wireless transmission resource allocation includes the combined (added) wireless transmission resource to no error data blocks (4-1).

[0073] 在图4所示的这个实施例中,通过将下行接入链路的与检测到错误的数据块数据#4对应的无线传送资源(传送时间)添加和分配到没有错误的数据块数据#2,从而修改要向移动站(MS)发送的数据(发送数据)(4-2)。 [0073] In this embodiment shown in FIG. 4, and detected by the downlink access link to the wrong block data # 4 corresponding wireless transmission resources (transmission time) was added and the allocation of data blocks without error data # 2, thus modifying to the mobile station (MS) data (transmission data) (4-2) transmitted. 由此,可以提高下行接入链路的与数据块数据#2对应的传送质量,并且可以改进移动站(MS)对数据块数据#2的接收质量。 This makes it possible to improve the downlink access link # 2 corresponding to block data transmission quality, and can improve the mobile station (MS) to the data block # 2 of the reception quality. 应注意到,与修改发送数据同时,还修改(更新)要向移动站(MS)发送的控制数据(2-1)。 It should be noted, with modify data transmission also modified (updated) to the mobile station (MS) transmits control data (2-1).

[0074] 在多个移动站(MS)例如利用TDMA、FDMA、CDMA,或OFDMA在单帧的接 [0074] In a plurality of mobile stations (MS) using, for example TDMA, FDMA, CDMA, or OFDMA access in a single frame

入链路时段内与中继站进行通信的系统中,被分配(再分配)了资源的数据块可以是与检测到错误的数据块具有相同目的地(移动站)的数据块或要向另一移动站发送的数据块。 Link within the period and relay station system communication, is assigned (redistribution) of the data block resource may be a data block error is detected with the same destination (mobile station) want to block or another mobile block station sent.

[0075] 图5是示出根据本发明实施方式的有效利用无线传送资源的实施例(在这个实施例中为改变纠错编码方法)的流程图。 [0075] FIG. 5 is a graph showing (embodiment the error correction coding method is changed in this embodiment) of the flow chart of the effective use of wireless transmission resources embodiment of the embodiment of the present invention.

[0076] 在图5中,当中继站(RS)接收到来自下行中继链路的数据时,中继站(RS)对接收到的数据执行RF信号处理(5-1)、解调处理(5-2)以及纠错解码处理(5-3)以检测接收到的数据中的错误。 [0076] In FIG. 5, when a relay station (RS) receives data from the downstream relay link, the relay station (RS) received RF signal data execution processing (5-1), a demodulation process (5- 2) and an error correction decoding process (5-3) for detecting received data errors. 中继站(RS)在数据块中基于预定数据(例如,关于纠错/检错码的数据)执行检错(5-4)。 Relay station (RS) in a data block based on a predetermined data (for example, data on error correction / detection code) to perform error detection (5-4). 在检测到错误的情况下,中继站(RS)存储关于错误的信息(错误信息)(5-5),并且执行其中将下行接入链路的原本分配给检测到错误的数据块的无线传送资源再分配给没有错误的数据块的再分配处理(5-6)。 In the case of an error is detected, the relay station (RS) to store the error message (error information) (5-5), and do one of the radio transmission resources originally allocated to the downstream access link error is detected on a block of data Redistribution redistribution to no error handling block (5-6).

[0077] 接着,对没有错误的数据块(再分配处理增加了其无线传送资源(例如,通信时间、频带宽度))进行确定利用冗余位更多的纠错码的纠错编码方法的处理。 [0077] Next, the data block without error (processed redistribution increase its wireless transmission resources (e.g. communication time, frequency bandwidth)) for processing to determine the error correction coding method utilizing more redundant bits of the error correction code . 即,中继站(RS)确定要应用于没有错误的数据块的纠错编码方法(5-7),其中,将确定的纠错编码方法的编码率改变为低于在中继链路中使用的纠错编码方法的编码率。 That is, the relay station (RS) is determined to be applied to data blocks without error correction coding method (5-7), wherein the determined coding rate of error correction coding method is changed to less than used in the relay link error correction coding rate encoding method. 通过对要向下行接入链路发送的控制数据进行更新来向移动站(MS)报告(发送)表示这种改变(例如, 编码方法、数据长度的改变)的数据(5-8)。 To control data through the downlink access link transmission is updated to indicate the change (e.g., encoding method, the data length change) the data (5-8) to the mobile station (MS) reports (transmission). 在这个步骤之后的处理与向接入链路发送数据的通常操作的处理基本上相同,即,根据经更新的编码方法执行纠错编码处理(5-9)、 调制处理(5-10)以及RF信号处理(5-11)。 Treatment typically operate after the processing of this step and transmitting data to the access link is substantially the same, i.e., according to the updated coding method for performing error correction encoding processing (5-9), a modulation process (5-10), and RF signal processing (5-11).

[0078] 图6是示出根据本发明实施方式的有效利用无线传送资源的实施例(在这个实施例中为改变调制方法)的流程图。 [0078] FIG. 6 is a graph showing (to change the modulation method in this embodiment) of the flow chart of an embodiment according to an embodiment of the present invention is the efficient use of radio transmission resources. 在检测到错误的情况下,中继站(RS)存储关于错误的信息(错误信息)(5-5),并且执行其中将下行接入链路的原本分配给检测到错误的数据块的无线传送资源(例如,通信时间、频带宽度)再分配给没有错误的数据块的再分配处理(5-6)。 In the case of an error is detected, the relay station (RS) to store the error message (error information) (5-5), and do one of the radio transmission resources originally allocated to the downstream access link error is detected on a block of data (e.g., the communication time, frequency bandwidth) reallocation redistributed to no error handling block (5-6). 接着,对没有错误的数据块(再分配处理增加了其无线传送资源)进行确定具有更长码元间距离的调制方法(即,具有更少的多值的调制方法)的处理(6-1)。 Next, the data block without error (processed redistribution increase its wireless transmission resources) are processed to determine the modulation symbols having a longer inter-distance method (i.e., less multi-value modulation method having a) (6-1 ). 通过更新要向下行接入链路发送的控制数据来向移动站(MS)报告(发送)表示这种改变(例如,调制方法的改变)的数据(5-8)。 This change is expressed (e.g., changing a modulation method) is data (5-8) to the mobile station (MS) reports (transmission) by updating To access downlink control data transmission link.

[0079] 图7是示出根据本发明实施方式的有效利用无线传送资源的实施例(在这个实施例中为改变发送功率)的流程图。 [0079] FIG. 7 is a flowchart showing (in this embodiment, the transmission power is changed) according to the Examples of the present invention effectively utilizing wireless transmission resources. 在检测到错误的情况下,中继站(RS)存储关于错误的信息(错误信息)(5-5),并且执行其中将下行接入链路的原本分配给检测到错误的数据块的无线传送资源(例如,发送功率)再分配给没有错误的数据块的再分配处理(5-6)。 In the case of an error is detected, the relay station (RS) to store the error message (error information) (5-5), and do one of the radio transmission resources originally allocated to the downstream access link error is detected on a block of data (for example, transmission power) reassigned to redistribution without error handling block (5-6). 接着,对没有错误的数据块(再分配处理增加了其无线传送资源)进行确定发送功率的处理(7-1)。 Next, the data block without error (processed redistribution increase its wireless transmission resources) are processed to determine the transmission power (7-1). 至于改变发送功率的方法,例如,存在在调制处理(5-10)中增加基带的码元电平的方法、或者在RF信号处理(5-11)中增加无线信号的放大器的输出电平的方法。 As for changing the transmission power of the method, for example, in the presence of increasing the baseband modulation processing (5-10) in the symbol level, or a method to increase the wireless signal amplifier RF signal processing (5-11) in the output level Methods.

[0080] 此外,至于分配发送功率的方法,例如,存在针对每一个数据块增加发送功率的方法、或者针对所有数据块均勻地增加发送功率的方法。 [0080] In addition, as for the method of allocating transmission power, for example, the presence of increasing transmission power for each data block approach, or even to increase the transmission power of data blocks for all methods. 图8是示出根据本发明实施方式的在使用OFDM通信方法的情况下向副载波分配发送功率的实施例的示意图。 Figure 8 is a schematic diagram illustrating an embodiment of the transmission power according to the allocation in the case of using the OFDM communication method subcarriers embodiment of the present invention. 更具体地说,图8 (a)示出了将与被阻止传送的检测到错误的数据块对应的副载波(虚线所示) 的发送功率按照使得与其他剩余数据块对应的所有副载波的发送功率可以平均地增加的方式分配给所有副载波的情况。 More specifically, FIG. 8 (a) shows the transmitted and blocked error detected data block corresponding to the sub-carriers (shown in phantom) such that the transmission power in accordance with all the other remaining sub-carriers corresponding to the data block transmit power can be allocated to increase the average of all the way to the subcarriers. 图8 (b)示出了将与被阻止传送的检测到错误的数据块对应的副载波(虚线所示)的发送功率分配给与其他剩余数据块对应的副载波中的一部分以使得这部分副载波的发送功率可以增加的情况。 Transmission power allocation Figure 8 (b) shows will be blocked and an error is detected transmitted data block corresponding subcarriers (dashed lines) give the other remaining data blocks of the subcarrier corresponding part to make this part the transmission power of subcarriers can increases. 根据分配发送功率的不同类型,向数字调制处理部或RF信号处理部报告表示发送功率变化的指令。 According to allocate transmission power of different types of digital modulation processing unit or the RF signal processing unit reports to indicate transmit power change command. 也可以将控制发送功率分配的上述方法用于诸如FDM (频分复用)和CDM (码分复用)的其他通信方法。 Also the above-described method of controlling transmission power allocation may be used, such as FDM (frequency division multiplexing) and CDM (Code Division Multiplexing) of other communication methods.

[0081] 图9是示出根据本发明实施方式的在有效利用无线传送资源的情况下(在这个实施例中为改变上行接入链路)的示例性帧结构的示意图。 [0081] FIG. 9 is a diagram showing (in this embodiment to change the uplink access link) schematic of an example of a frame structure in accordance with the following effective use of wireless transmission resources case of the embodiment of the present invention. 在中继站(RS)在通过下行中继链路发送来的数据中检测到错误的情况下,中继站(RS)不向移动站(MS)传送检测到错误的数据块。 Errors occur in the relay station (RS) is detected by the downstream relay link transmitted data, the relay station (RS) is not transferred to the mobile station (MS) to detect bad data blocks. 在这种情况下,可以将上行接入链路的原本分配为用于使得移动站(MS) 可以发送再发送请求的否定响应信号的无线传送资源再分配给上行接入链路中的其他通信。 In this case, the original allocation for the uplink access link for enabling a mobile station (MS) may send a negative response signal is then sent the request to the wireless transmission resource reallocation uplink access link other communication . 在图9所示实施例中,将这种可用无线传送资源再分配为传送上行接入链路中的数据块数据#5和#6。 In the embodiment shown in FIG. 9, the redistribution of resources that can be used to transmit wireless transmission uplink access link data block data # 5 and # 6.

[0082] 图10是示出根据本发明实施方式的无线基站(BS)(发送站)1000的示例性结构的示意图。 [0082] FIG. 10 is a diagram showing an exemplary structure of a radio base station 1000 according to an embodiment of the present invention (BS) (transmission station). 出于简化的目的,在图10中没有示出用于执行除了再发送之外的控制的控制部及其发送到其他各种部件的控制信号。 For simplicity, in FIG. 10 is not shown for performing the control unit and the control signal is sent to the various other components in addition to other than retransmission control. 在无线基站(BS) 1000中,数据编码部10-1对发送数据和控制数据进行编码。 In the radio base station (BS) 1000, the transmission data and control data coding unit 10-1 encodes. 接着,调制部10-3对编码数据执行调制。 Next, the encoded data modulating unit 10-3 performs modulation. 接着,RF处理部10-4将经调制的数据转换成RF信号。 Then, RF processing unit 10-4 converts the RF signal into a modulated data. 接着,将RF信号向下行中继链路发送。 Next, the RF signal is sent down the line relay link.

[0083] 在通过移动站(MS)(接收站)进行混合自动重复请求(HARQ)处理的前提下, 根据本发明实施方式的无线基站(BS)设置有用于存储通过编码处理获得的数据(编码数据)的发送数据缓冲器10-2。 [0083] Under the premise that a hybrid automatic repeat request (HARQ) process by the mobile station (MS) (receiving station), according to an embodiment of the present invention, the radio base station (BS) is provided for storing the data obtained by the encoding processing (encoding data) transmission data buffer 10-2. 此外,RF处理部10-4还用于将从上行接入链路接收到的信号下变频到基带信号。 In addition, RF processing section 10-4 further used for the next uplink access link from the received signal frequency to a baseband signal. 接着,解调部10-5对经下变频的信号执行解调。 Then, the demodulation unit 10-5 to execute down-converted signal demodulation. 接着,ACK 数据提取部10-6从解调的数据(信号)中提取与发送的数据(数据块)对应的响应信号。 Then, ACK data extraction unit 10-6 extracts the data (data block) corresponding to a response signal transmitted from the demodulated data (signal).

[0084] 无线基站(BS)IOOO的操作随接收的响应信号的类型而不同。 Type [0084] The radio base station (BS) IOOO operation with the received response signal varies. S卩,在无线基站(BS)接收到正常接收响应(肯定响应信号ACK)的情况下,无线基站(BS)消除存储在发送数据缓冲器10-2中的对应数据块(即,与肯定响应信号对应的数据块)。 S Jie case, the radio base station (BS) receives a normal reception response (affirmative response signal ACK), the wireless base station (BS) corresponding to the elimination of the data blocks stored in the transmission data buffer 10-2 (i.e., with a positive response signal corresponding to the data block). 在无线基站(BS) 1000接收到再发送请求(否定响应信号NACK)的情况下,再发送控制部10-7针对再发送进行调度。 In the case of the radio base station (BS) 1000 receives the re-transmission request (negative response signal NACK), the retransmission control unit 10-7 performs scheduling for the retransmission. 接着,根据再发送控制部10-7的调度,再发送在控制数据产生部10-8中产生的控制数据(再发送控制数据)和存储在发送数据缓冲器(10-2)中的对应数据块。 Next, the scheduling retransmission control unit 10-7, and then transmits the control data generating unit in the control data (re-transmission control data) generated and 10-8 corresponding to data stored in the transmission data buffer (10-2) in block.

[0085] 图11是示出根据本发明实施方式的移动站(MS)(接收站)1100的示例性结构的示意图。 [0085] FIG. 11 is a graph showing (MS) (receiving station) 1100 a schematic view of an exemplary configuration according to an embodiment of the present invention is a mobile station. 在移动站(MS)IlOO中,RF处理部(11-1)将从下行接入链路接收到的信号下变频为基带信号。 The mobile station (MS) IlOO in, RF processing section (11-1) from the downlink access downlink received signal converted to a baseband signal. 接着,解调部11-2对经下变频的信号执行解调处理。 Then, the demodulation unit 11-2 by performing demodulation downconverted signal processing. 接着,数据解码部11-3对经解调的信号执行纠错解码处理。 Then, the data decoding unit 11-3 performs error correction decoding on the demodulated signal by processing. 接着,控制数据提取部11-4从经解码的数据中提取控制数据。 Next, the control data extraction unit 11-4 extracts the control data from the decoded data. 同样,根据提取的控制数据,在移动站(MS)中的对应部件处对接收的数据块执行解调处理和纠错解码处理。 Also, according to the extracted control data, the mobile station (MS) at a corresponding member performs demodulation processing and error correction decoding processing on the received data block.

[0086] 根据本发明实施方式的移动站(MS)IlOO包括用于利用蔡斯合并(Chase Combining)方法执行HARQ (混合自动重复请求)的接收数据缓冲器11_5。 [0086] According to an embodiment of the present invention, a mobile station (MS) IlOO comprises utilizing combined Chase (Chase Combining) method of performing HARQ (Hybrid Automatic Repeat Request) of the received data buffer 11_5. 因此,将从解调处理获得的数据存储在接收数据缓冲器11-5中。 Thus, data obtained from the demodulation process are stored in the reception data buffer 11-5. 通过检错部11-6对接收到的解码数据块进行检错处理。 Error detection process by decoding the data block error detection unit 11-6 received. ACK数据产生部11-7根据检错部11-6的检错结果,产生表示正常接收的响应信号(肯定响应信号ACK)或表示再发送请求(否定响应信号NACK)的响应信号。 ACK data generating unit 11-7 based on the error detection result of the error detection unit 11-6 generates a response signal indicates normal reception (affirmative response signal ACK) or represents retransmission request (negative response signal NACK) response signal. 接着,调制部11-8对产生的响应信号执行调制处理。 Then, the response signal modulation unit 11-8 performs modulation processing generated. 接着,经由RF处理部11-1向上行接入链路发送经调制的响应信号。 Then, the modulated response signal transmitted via the RF processing unit 11-1 to the upstream access link.

[0087] 在接收到的数据块中没有检测到错误的情况下,接收数据缓冲器11-5取消其中存储的对应数据块。 [0087] in the received data block does not detect the error, the reception data buffer 11-5 canceled where the corresponding data block storage. 在移动站(MS) 1100接收到从下行接入链路再发送来的数据块的情况下,解调部11-2在存储于接收数据缓冲器11-5中的对应数据块与再发送的数据块之间执行最大比率合成,由此提高解调处理中的增益。 The mobile station (MS) when receiving the re-transmitted from the downstream access link to the data block 1100, demodulation unit 11-2 stored in the reception data buffer 11-5 corresponding to the data block and the retransmission perform a maximum ratio between the synthetic data block, thereby improving the demodulation processing gain. 接着,数据解码部11-3对合成的解调信号执行纠错解码处理。 Next, 11-3 synthesized demodulated signal data decoding unit performs error correction decoding process. 接着,检错部11-6对解码的数据执行检错。 Then, the error detection unit 11-6 execute the decoded data error detection. 在再次检测到错误的情况下,再发送控制部11-9执行针对检测到错误的数据块的再发送请求处理。 In the case of an error is detected again, and then perform the transmission control section 11-9 for detected erroneous data block retransmission request processing.

[0088] 图12是示出根据本发明实施方式的中继站(RS)(中继站装置)1200的示例性结构的示意图。 [0088] FIG. 12 is a diagram showing an exemplary configuration 1200 of (RS) (relay station apparatus) according to an embodiment of the present invention is a relay station. 在图12所示的中继站(RS) 1200中,RF处理部12_1将从下行中继链路接收到的信号下变频为基带信号。 In the relay station (RS) 12 shown in FIG 1200, RF processing unit 12_1 downlink relay link from the received signal frequency-converted into a baseband signal. 接着,解调部12-2对经下变频的信号执行解调处理。 Then, the demodulation unit 12-2 by performing demodulation downconverted signal processing. 接着,数据解码部12-3对解调的信号执行纠错解码处理。 Then, the data signal decoding unit performs error correction decoding processing on the demodulated 12-3. 接着,控制数据提取部12-4从解码的数据中提取控制数据。 Next, the control data extraction unit 12-4 extracts the control data from the decoded data. 接着,根据提取的控制数据,在中继站(RS) 1200中的对应部件处对接收的数据块执行解调处理和纠错解码处理。 Then, according to the extracted control data, performs demodulation processing and error correction decoding processing at the relay station (RS) in 1200 at the corresponding part of the received data block.

[0089] 在检错部12-5检测到错误的情况下,NACK数据存储部12_6存储与检测到错误的数据块对应的否定响应信号(NACK)。 [0089] In the case of error detection unit detects an error of 12-5, 12_6 storage NACK data storage unit and an error is detected the data block corresponding to a negative response signal (NACK). 此外,再发送控制/资源管理部12-7阻止向下行接入链路发送检测到错误的数据块。 In addition, retransmission control / resource management part 12-7 down the line to prevent the access link transmission error was detected data block. 由此,使得中继数据产生部12-10可以仅产生与没有错误的数据块对应的传送数据。 Thus, making the relay data generating unit may generate only 12-10 there is no erroneous data block corresponding to the transmission data.

[0090] 接着,控制数据修改部12-8对应于检错结果来修改(更新)对应的控制数据。 [0090] Next, the control data modification unit 12-8 corresponding to the error detection result to modify (update) the corresponding control data. 接着,数据编码部12-9对经修改的控制数据和在中继数据产生部12-10中产生的传送数据进行编码。 Next, the data encoding unit 12-9 revised control data and transmit data generated in the relay data generating unit 12-10 in coding. 接着,调制部12-11对经编码的数据执行调制处理。 Then, modulation section 12-11 of the encoded data to perform modulation processing. 接着,经由RF处理部12-1将经调制的信号向下行接入链路传送。 Then, via the RF processing unit 12-1 down the line access link will transmit the modulated signal. 此外,ACK数据提取部12-12提取从上行接入链路接收到的响应信号。 In addition, ACK data extraction unit extracts 12-12 receives from the response to the uplink access link signal. 接着,ACK数据产生部12-13产生通过对由ACK数据提取部12-12提取的响应信号和存储在NACK数据存储部12-6中的否定响应信号(NACK) 进行合成而获得的响应信号。 Then, ACK data generating unit generates a response signal 12-13 through 12-12 by the ACK data extraction unit extracts the response signal negated and stored in the data storage unit 12-6 NACK response signal (NACK) obtained by synthesis. 经由调制部12-11和RF处理部12-1将合成的响应信号发送到上行中继链路。 Sent to the uplink relay link via the modulation part 12-11 and the RF processing unit 12-1 in response to the synthesized signal.

[0091] 因为再发送控制/资源管理部12-7阻止了发送不必要的数据块,所以移动站(MS)可以免于执行不必要的检错或发送再发送请求。 [0091] For retransmission control / resource management part 12-7 prevents the sending of unnecessary data block, the mobile station (MS) may be exempt from unnecessary error detection or send retransmission requests. 此外,可以增加原本分配为用于发送请求再发送的响应信号的可用(未使用)上行无线传送资源。 In addition, the original distribution can be increased in response to the transmission request signal for retransmission of the available (unused) upstream wireless transmission resources. 此外,因为可以有效地使用下行接入链路的与删除的数据块对应的无线传送资源,所以再发送控制/资源管理部12-7可以将可用(未使用)无线传送资源再分配给接收到的没有错误的数据块。 In addition, because you can effectively use the radio transmission resources and downlink access link corresponding to the deleted data blocks, so retransmission control / resource management part 12-7 may be available (unused) wireless transmission resource reallocation to the received no erroneous data block. [0092] 分配有更多无线传送资源的数据块可以在下行接入链路中按照与增加的分配给其的资源量对应的增加的冗余度来发送。 [0092] More data block allocated radio transmission resources can be allocated in accordance with the increase corresponding to the increase of the amount of resources to the redundancy in the transmitted downlink access link. 可以通过在数据编码部12-9中改变纠错编码率(例如,改变编码率或穿孔(puncture)的位数)来实现分配资源的改变。 By changing the rate of error correction coding unit 12-9 encodes data (e.g., changing the coding rate or perforation (puncture) bits) to effect a change in the allocation of resources. 控制数据修改部12-8将表示纠错编码的这种改变的数据施加(添加)到要向下行接入链路传送的控制数据。 Control data modification unit 12-8 indicating the error correction coding data of this change is applied (added) to want to downlink control data access link transmission.

[0093] 此外,至于改变无线传送资源的分配的另一实施例,可以改变由调制部12-11 进行的调制处理。 [0093] In addition, as for changing the allocation of radio transmission resource to another embodiment, it may change the modulation processing performed by the modulation section 12-11. 这例如包括改变调制方法(16QAM(正交调幅)到QPSK(四相移键控))、改变位重复的次数、或改变映射方法(增加插入导频信号的数量和提高对移动站(MS)的信道估计的精度)。 This includes, for example to change the modulation method (16QAM (Quadrature Amplitude Modulation) to QPSK (Quadrature Phase Shift Keying)), changing the bit number of repetitions, or changing the mapping method (increasing inserting number of pilot signals and increasing the mobile station (MS) The channel estimation accuracy). 控制数据修改部12-8将表示调制部12-11的调制处理的这种改变的数据施加(添加)到要向下行接入链路传送的控制数据。 Control data modification unit 12-8 indicating the change of the modulation section 12-11 of the modulation process data applied (added) to want to downlink control data access link transmission.

[0094] 此外,至于改变无线传送资源的分配的另一实施例,可以改变数据块的发送功率。 [0094] In addition, as for the other wireless transmission resource allocation changes embodiments may change in the transmit power of the data block. 在预先设置了在预定时间在下行接入链路中可以发送的功率总量的最大值的情况下,当由于在下行中继链路中发送的数据块中发现错误而删除了该数据块时,原本分配给该数据块的发送功率变得可用(未使用)。 When the pre-set at the maximum amount of power at a predetermined time in the downlink access link can be sent, when due to the data block transmission in the downlink error was found in the trunk link and delete the data block , originally assigned to the transmission power of the data block becomes available (unused). 由此,可以将该可用发送功率用于发送其他剩余的没有错误的数据块。 Thereby, the available transmission power for transmitting the other remaining data blocks without error.

[0095] 可以通过改变调制部(数字调制部)12-11中的数据码元映射的振幅或者通过调节RF处理部12-1的增益来实现发送功率的改变。 [0095] by changing the modulation part (digital modulation part) 12-11 in the mapping data symbols by modulating the amplitude or gain of RF processing section 12-1 to change the transmission power is achieved. 在控制数据中没有包括关于发送功率的数据的情况下,通过简单地删除与检测到错误的数据块对应的数据来改变控制数据。 In the control data does not include data on the transmission power of the situation, by simply removing the detected erroneous data block corresponding to the data to change the control data.

[0096] 此外,至于改变无线传送资源的分配的另一实施例,上行接入链路中的原本分配为用于发送与给定数据块对应的响应信号的无线传送资源在由于在下行中继链路中在该数据块中找到错误而阻止了该数据块被传送时变得可用(未使用)。 [0096] In addition, as for changing the allocation of radio transmission resource to another embodiment, the uplink access link originally assigned for transmitting a given data block corresponding to the response signal due to the wireless transmission resource in the downlink relay Link found an error in the data block and prevents the data block becomes available (unused) is conveyed. 由此,可以再分配该可用无线传送资源以用于发送其他剩余的没有错误的数据块。 Thereby, the redistribution of the available radio transmission resources for sending the other remaining data blocks without error. 为了进行这种再分配处理,在控制数据修改部12-8中修改对应的控制数据,并将其向下行接入链路发送。 To carry out this reallocation process control data modification section 12-8 modify the corresponding control data, and send it down the line access link.

[0097] 图13是示出根据本发明另一实施方式中继站(RS)(中继站装置)1300的示例性结构的示意图,其中中继站(RS) 1300执行使用蔡斯合并方法的HARQ(混合自动重复请求)。 [0097] FIG. 13 is a diagram showing an exemplary configuration 1300 of (RS) (relay station apparatus) according to another embodiment of a relay station of the present invention, wherein the relay station (RS) 1300 executed using the Chase combining method of HARQ (Hybrid Automatic Repeat Request ). 中继站(RS) 1300包括用于存储通过对从下行中继链路接收到的数据进行解调而获得的数据的接收数据缓冲器13-1。 Relay station (RS) 1300 includes a buffer for storing received data received by the downlink relay link from the data obtained by the data demodulating 13-1. 在根据来自检错部12-5的检错结果而发现了接收到的数据块中没有错误的情况下,取消接收数据缓冲器13-1的与没有错误的数据块对应的存储数据,并且将没有错误的数据块向移动站(MS)发送。 In the error detection result from the error detection unit 12-5 and found the received data blocks without error, cancel the reception data buffer 13-1 and store data without error data corresponding to the block, and the no erroneous data block transmission to a mobile station (MS).

[0098] 在检测到错误的情况下,中继站(RS) 1300按与图12所示结构相同的方式向无线基站(BS)请求再发送。 [0098] In the case where an error is detected, the relay station (RS) 1300 according to the structure shown in Fig. 12 in the same manner to the wireless base station (BS) request retransmission. 由此,在中继站(RS)接收到从下行中继链路再发送来的数据块的情况下,解调部12-2在存储于接收数据缓冲器13-1中的对应数据块与再发送的数据块之间执行最大比率合成,由此提高解调处理中的增益。 Thus, in the case of the relay station (RS) receives the downlink relay link and then transmitted to the data blocks stored in the demodulation unit 12-2 in the reception data buffer 13-1 corresponding data block retransmission perform a maximum ratio between the synthetic data block, thereby improving the demodulation processing gain. 因为在当前帧(帧时段)内将合成的再发送数据和没有错误的数据块传送到下行接入链路之后通过数据解码部12-3执行纠错解码处理,所以不需要准备用于对接入链路中的错误进行响应的发送缓冲器。 Because in the current frame (frame period) of the synthesized data and retransmission data blocks without error after transmission through the downlink access link data decoding unit 12-3 performs an error correction decoding process, it is not necessary to prepare for docking the link error response transmission buffer. 由此,可以在无线基站(BS)与移动站(MS)之间实现再发送数据的同步传送。 This makes it possible to achieve between the radio station (BS) and the mobile station (MS) re-transmitting the synchronization data transmission.

[0099] 尽管将根据本发明实施方式的上述帧描述为具有包括按TDD (时分双工)复用的上行链路和下行链路的结构,但是该帧不限于这种结构。 [0099] Although according to the above-described frame will be described as an embodiment of the present invention comprises a press having a TDD (time division duplex) structure multiplexed uplink and downlink, but the frame is not limited to this structure. 例如,上行链路和下行链路可以根据FDD (频分双工)方法来复用。 For example, the uplink and downlink can be multiplexed according to FDD (Frequency Division Duplex) method. [0100] 此外,在具有包括按TDD(时分双工)复用的上行链路和下行链路的结构的帧中,可以将下行接入链路的与在下行数据链路中找到了错误的数据块对应的资源(通信时间)再分配为上行接入链路的资源(通信时间)。 [0100] In addition, by having including TDD (time division duplex) frame structure of the multiplexed uplink and downlink, the downlink access link may be found in the downstream data link errors data block corresponding to the resource (communication time) for the resource reallocation uplink access link (communication time). 另选的是,可以将上行接入链路的分配为用于发送与检测到错误的未传送数据块对应的响应信号的资源(通信时间)再分配为下行接入链路的资源(通信时间)。 Alternatively, you can assign uplink access link is used to transmit non-erroneous data block corresponding to the resource in response to a signal (communication time) redistribution of the downlink access link transmits the detected resource (communication time ).

[0101] 尽管将根据本发明实施方式的中继通信系统描述为在无线基站(BS)与移动站(MS)之间设置有一个中继站(RS),但中继通信系统不限于这种结构。 [0101] Although there will be provided a relay station (RS) between the radio base station (BS) and the mobile station (MS) relay communication system according to an embodiment of the present invention is described, but the relay communication system is not limited to this structure. 例如,中继通信系统可以被设置成在无线基站(BS)与移动站(MS)之间设置有多个中继站(RS),其中每一个中继站(RS)都设置有与根据本发明实施方式的上述中继站相同的功能。 For example, the relay communication system can be set to a plurality of relay stations (RS) between the radio base station (BS) and the mobile station (MS), wherein each relay station (RS) are provided in accordance with an embodiment of the present invention. the same functionality as the relay station.

[0102] 此外,本发明不限于这些实施方式,而是可以在不脱离本发明的范围的情况下对本发明进行改变和修改。 [0102] Further, the present invention is not limited to these embodiments, but may be made without departing from the scope of the present invention is a case of the present invention that changes and modifications.

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Classifications
International ClassificationH04L1/16, H04L1/18
Cooperative ClassificationH04L1/1628, H04L1/1829, H04L1/1809, H04L1/0003, H04L1/1867, H04L1/1819, H04L2001/0097
European ClassificationH04L1/16F5, H04L1/18T, H04L1/18R
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