CN107257587A - 用于无线通信系统中的增强型用户设备辅助信息的系统和方法 - Google Patents

用于无线通信系统中的增强型用户设备辅助信息的系统和方法 Download PDF

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Publication number
CN107257587A
CN107257587A CN201710585599.3A CN201710585599A CN107257587A CN 107257587 A CN107257587 A CN 107257587A CN 201710585599 A CN201710585599 A CN 201710585599A CN 107257587 A CN107257587 A CN 107257587A
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power
enodeb
preference
drx
message
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CN107257587B (zh
Inventor
A·T·科奇
M·马丁内斯塔拉德利
S·L·班戈莱
S·C·杰哈
R·万尼塔姆比
J·朱
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Apple Inc
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Intel Corp
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Abstract

公开了用于在无线通信系统中的节点之间传送增强型用户设备(UE)辅助信息的系统和方法。所述UE通过将其偏好、约束条件和/或要求以UE辅助信息的形式传送至演进型节点B(eNodeB),更高效地实现了功率节省和延迟要求。所述UE辅助信息可以包括:例如,不连续的接收(DRX)设置的偏好集合、当前数据业务状况、预期数据业务状况、功率或性能偏好的指示、和/或小区之间的所述UE的移动性的指示。

Description

用于无线通信系统中的增强型用户设备辅助信息的系统和 方法
本申请为分案申请,其原申请是于2013年05月11日向中国专利局提交的专利申请,申请号为201380024694.6,发明名称为“用于无线通信系统中的增强型用户设备辅助信息的系统和方法”。
技术领域
本公开涉及无线通信网络。具体而言,本公开涉及用于在无线通信系统中的节点之间传送增强型用户设备辅助信息的系统和方法。
背景技术
无线移动通信技术使用各种标准和协议,用于在基站和无线移动装置之间传输数据。无线通信系统标准和协议可以包括:第三代合作伙伴计划(3GPP)长期演进(LTE)、电气和电子工程师协会(IEEE)802.16标准(本领域俗称为WiMAX(全球互动微波接入))、以及IEEE 802.11标准(本领域俗称为WiFi)。在LTE系统中的3GPP无线接入网络(RAN)中,基站可以是演进型通用陆地无线接入网络(E-UTRAN)节点B(也通常表示为演进型节点B、增强型节点B、eNodeB、或eNB)和与被称作用户设备(UE)的无线移动装置进行通信的E-UTRAN中的无线网络控制器(RNC)的组合。下行链路(DL)传输可以是从基站(或eNodeB)至无线移动装置(或UE)的传送,而上行链路(UL)传输可以是从无线移动装置至基站的传送。
在包括先前的LTE系统的多个无线系统中,UE对于延长UE的电池和/或实现在UE上运行的应用的更好性能(例如,在延迟方面)的特定功能和处理具有很少的控制或无控制。相反,许多这样的功能和处理由eNodeB确定,而无需来自UE的输入。
附图说明
图1示出了根据一个实施例的将UE辅助信息传送至eNodeB的UE的示例。
图2A和图2B示出了根据特定实施例的具有业务类型信息的UE辅助信息的相应的数据结构。
图3A示出了根据一个实施例的具有类型标识符和一个或多个到达间隔时间值的UE辅助信息的数据结构。
图3B示出了根据一个实施例的用于不同业务类型的在图3A中示出的类型标识符的示例描述。
图4是根据一个实施例的用于选择性地报告分组到达间隔时间或下一个分组到达信息的流程图。
图5A示出了根据一个实施例的具有切换位的UE辅助信息的数据结构。
图5B示出了根据特定实施例的在图5A中示出的切换位的示例描述。
图6示出了根据一个实施例的包括移动状态指示符位的UE辅助信息的数据结构。
图7示出了根据一个实施例的包括业务类型位的UE辅助信息的数据结构。
图8示出了根据一个实施例的包括功率偏好位的UE辅助信息的数据结构。
图9示出了根据特定的示例实施例的UE和eNodeB之间的UE辅助信息的通信。
图10是根据一个实施例的用于选择或修改不连续接收参数的集合的方法的流程图。
图11提供了可以与本文公开的实施例的一个或多个一起使用的移动装置的示例说明。
具体实施方式
下面提供了与本公开的实施例相符合的系统和方法的详细描述。虽然描述了多个实施例,但是应当理解,本公开不限于任何一个实施例,但是相反,包含了众多替代方案、修改以及等效物。另外,虽然在下面的描述中阐述了众多具体细节以便提供对本文公开的实施例的更透彻的理解,但是可以在不具有这些细节中的某些或所有的情况下来实施一些实施例。而且,出于清楚的目的,没有对在相关领域中公知的特定技术材料进行详细描述,以便避免不必要地使本公开难以理解。
正如上文所论述的,UE对于延长UE的电池和/或使在UE上运行的应用的延迟最小化的特定功能和处理具有很少的控制或无控制。例如,诸如eNodeB之类的基站控制RAN功能以支持UE。然而,由于运行各式各样的移动互联网应用的智能电话和其他移动装置的增加,如果允许以UE辅助信息的形式将其偏好、约束条件和/或要求传送至eNodeB,则UE能够更高效地实现功率节省和延迟要求。
图1示出了根据一个实施例的将UE辅助信息112传送至eNodeB 114的UE 100的示例。UE 100包括收发器模块116和处理模块118。处理模块118被配置为生成UE辅助信息112并且执行本文所描述的UE 100的其他功能。收发器模块116被配置为将UE辅助信息112传输至eNodeB 114并且传输和接收本文所描述的其他信号和消息。eNodeB 114包括收发器模块120和处理模块122。收发器模块120被配置为接收来自UE 100的UE辅助信息112并且传输和接收本文所描述的其他信号和消息。处理模块122被配置为处理从UE 100接收的UE辅助信息112并且执行本文所描述的其他功能。
eNodeB 114可以使用UE辅助信息112,以采用特定的RAN功能和参数来增强UE和网络的性能。例如,UE辅助信息112在选择最佳的不连续接收(DRX)设置以便实现UE 100处改进的功率节省方面,对于eNodeB 114可以是有用的。
本文公开的特定实施例提供了对UE辅助信息112的增强,所述UE辅助信息112基于UE指示(例如,分组间隔到达时间和/或业务类型特性)使eNodeB 114能够对每个UE 100的DRX参数进行调节,从而实现所期望的性能要求和/或节省功率。例如,根据特定实施例的UE辅助信息112可以包括:分组到达间隔时间(IAT)、移动状态指示符(MSI)、数据和/或业务类型特性、时间校准定时器(TAT)反馈值、以及上述的组合。这些不同类型的UE辅助信息112中的每一个都将在下面进行详细论述。本领域中的技术人员将根据本公开认识到,其他实施例可以使用具有附加的或不同的元素的UE辅助信息112,所述附加的或不同的元素例如其他DRX参数或参数集合、电池约束条件指示符、体验质量(QoE)度量、和/或用于进入空闲模式的请求。在论述了UE辅助信息的示例之后,提供了发送UE辅助信息信号的示例和示例UE。
I.UE辅助信息的示例
A.分组IAT
在一个实施例中,UE辅助信息112包括与UE 100处的UL分组IAT相关联的数据。分组IAT是对到达UE 100的分组之间的时间段的测量,并且可以与当前在UE 100上运行的应用的类型相对应。UE 100可以测量分组IAT,但是eNodeB 114不知道UE 100处的UL分组的分组IAT。对于eNodeB 114可能的是通过处理eNodeB 114处的UL分组来猜测UE 100处的UL分组IAT。然而,由eNodeB 114进行的这样的估计一般是不准确的,这是因为,可以基于eNodeB的UL调度器提供给小区内的各种UE的授权来更改由eNodeB 114看见的分组的分组IAT。由此,特定实施例将包括与分组到达相关联的数据的UE辅助信息112从UE 100提供给eNodeB114。
这对于eNodeB 114获知当前在UE 100上运行的应用的类型而言,可以是有用的。例如,如果UE 100确定为长分组IAT,那么eNodeB 114可以将UE 100设为空闲模式或设置更长的DRX循环长度来节省功率。然而,如果UE 100测得为短分组IAT,那么eNodeB 114可以设置更短的DRX循环长度。
下面论述的实施例包括使用单个位的分组IAT UE辅助信息、使用多个位的分组IAT UE辅助信息、选择性地报告不同格式的分组IAT、以及选择性地报告分组IAT信息或下一个分组到达信息。
A(1)—单个位的业务类型或分组IAT UE辅助信息
在特定实施例中,UE 100被配置为传送业务类型特性。业务类型可以涉及分组IAT或其他因素,例如,应用是活动的还是在后台中运行,或者,由于用户未与装置进行交互,UE的屏幕保护程序是否是活动的。由此,分组IAT是对于UE而言用于确定UL业务为背景业务或活动业务的可用的多种方式中的一种。例如,UE 100可以执行分组IAT测量,以用于内部计算或处理。如果所测出的分组IAT相对较短(例如,一秒或两秒或更短),那么UE 100可以确定UL业务为活动业务。然而,如果所测出的分组IAT相对较长(例如,几秒、数十秒、或数分钟),那么UE 100可以确定UL业务为背景业务。另外,或者在其他实施例中,UE 100可以知道当前业务为背景业务,这是因为不存在运行在UE 100上的任何活动的或打开的程序。
图2A示出了根据一个实施例的具有单个位210的业务类型信息的UE辅助信息112的数据结构。在该示例中,UE 100将位210设置为“0”以指示当前业务为背景业务,并且UE100将位210设置为“1”以指示当前业务为活动业务。
A(2)—多个位业务类型或分组IAT UE辅助信息
在另一实施例中,UE 100被配置为使用多个位的UE辅助信息112将业务类型信息(例如,使用分组IAT信息或另一方法确定的)传送至eNodeB 114。由此,UE 100可以取决于所使用的位的数量来提供具有不同级别的粒度的业务类型。
图2B示出了根据一个实施例的具有两位212的业务类型信息的UE辅助信息112的数据结构。在该示例中,UE 100将位212设置为“00”以指示具有背景业务的应用的类型,其中分组IAT是稀疏并且间隔更远的。由此,所述应用具有低应用性能要求(例如,在延迟、抖动和其他参数方面)。UE 100将位212设置为“01”以指示要求媒体性能优先业务的一个或多个应用正在运行。这种类型的业务(例如,用于超文本传输协议的(HTTP)网页浏览或下载)可能不是很有周期性。UE 100将位212设置为“10”以指示具有高优先级和严格延迟和/或性能要求的活动业务的应用的类型。具有非常活跃的业务要求的应用的示例包括IP电话(VoIP)或在线游戏应用。UE 100将位212设置为“11”以指示不被期望的业务,所述业务可以被解释为无线资源控制(RRC)将指示符从UE 100释放到eNodeB 114。
在其他实施例中,UE辅助信息112可以使用三个或更多个位来增大业务类型信息或分组IAT信息的粒度。例如,多个位可以用于传送实际的分组IAT时间(例如,10秒)。
A(3)—选择性地报告不同的分组IAT格式
在特定实施例中,UE 100被配置为使用不同格式或统计表示来选择性地传送分组IAT信息。所述选择可以基于例如业务的当前类型。分组IAT对于每一个分组而言都可以是不同的。与针对每一个分组发送不同的分组IAT不同,一些实施例可以在特定的时间段或针对具体的事件而使用分组IAT的统计形式来表示一个以上的分组。例如,分组IAT可以被表示为最小IAT和最大IAT。作为另一示例,分组IAT可以由均值IAT和最大IAT(例如,理解为最小IAT可以是零)来表示。
对于某个应用而言,业务为突发性和/或不频繁的。例如,多个分组或突发分组可以每隔几秒左右进行传输。突发性分组业务的平均IAT或均值IAT不能提供充分的信息,这是因为其不指示分组是如何到达的。用于突发分组的持续时间的分组IAT在本文中指“短IAT”,并且,用于两个连续的突发之间的持续时间的分组IAT在本文中指“长IAT”。短IAT可以非常小,例如,大约1毫秒或几毫秒。长IAT可以非常大,例如,大约1秒或多秒。在一个实施例中,UE 100将短IAT和长IAT二者均报告给eNodeB 114以准确地描述突发业务。UE 100可以报告短IAT和/或长IAT的平均值。
图3A示出了根据一个实施例的具有类型标识符(ID)310和一个或多个IAT值312的UE辅助信息112的数据结构。UE 100知道用于将一个或多个IAT值312传送至eNodeB 114的业务的类型和格式。为了使eNodeB 114正确地解释一个或多个IAT值312,类型ID 310指定了格式。图3B示出了根据一个实施例的用于不同的业务类型316的在图3A中示出的类型ID310的示例描述314。如图3B所示,类型ID 310包括两位。然而,其他实施例可以使用单个位或两位以上的位。在该示例中,当业务是突发的和/或很少发生时UE 100将类型ID 310设置为“00”以指示所报告的IAT值312包括平均短IAT和长IAT。对于定期(例如,非突发性的)业务,UE 100将类型ID 310设置为“01”以指示所报告的IAT值312包括最小和最大IAT,设置为“10”以指示所报告的IAT值312包括均值和最大IAT,以及设置为“11”以指示所报告的IAT值312包括其他预定(例如,UE 100和eNodeB 114二者均已知的)格式,所述其他预定格式可以包括在预定时间段上或用于预定事件的IAT的其他统计表示)。
A(4)—选择性地报告IAT与下一个分组到达信息
在特定实施例中,UE 100可以选择性地报告下一个分组到达信息,而不是分组IAT值(例如,平均IAT或最大IAT)。下一个分组到达信息可以由UE 100进行预测,或者,可以基于经由应用编程界面(API)从应用传给装置/介质访问控制(MAC)层的信息。在某些情况下,关于紧接着的下一个分组到达时间的信息可以比平均IAT或最大IAT更有益。
正如上面所论述的,分组IAT是对两个相继到达的分组或突发或分组之间的间隔的测量。分组IAT是有用的,例如用于确定连接模式的当前DRX配置是合适的还是应该对其进行调节。另一方面,下一个分组到达时间与当前上行链路传输和下一个到达分组之间的间隔相对应。下一个分组到达时间是有用的,例如用于确定当在不久的将来不期望分组时是否应该将UE 100设为空闲模式,或者当很快期望分组时UE 100是否应该被保持在连接模式中。
图4是根据一个实施例的用于选择性地报告分组IAT或下一个分组到达信息的流程图。在该示例中,UE 100查询400在其UL传输缓冲区中是否存在多个分组。如果在UL传输缓冲区中不存在更多的分组,那么UE 100发送410下一个分组到达时间,使得eNodeB 114可以确定UE 100是应该被设为空闲模式还是应该被保持在连接模式中。然而,如果在UL传输缓冲区中仍存在分组,那么UE 100发送412分组IAT信息(例如,如上所述的),使得eNodeB可以执行RAN功能优化,例如,确定连接模式的DRX配置是否合适或者是否应该调节所述DRX配置。
一些UE可以不具有用于确定分组IAT和/或用于预测下一个分组到达时间的能力。由此,在特定实施例中,UE 100被配置为向eNodeB 114(例如,当与eNodeB 114建立连接时)指示其确定分组IAT并且预测下一个分组到达时间的能力。所述能力信息可以例如使用特征组指示符(FGI)位来进行传送。例如,可以使用当前未定义的FGI位(位编号为37至64)中的一个,例如,位编号38。
图5A示出了根据一个实施例的具有切换位510的UE辅助信息112的数据结构,所述切换位510用于指示到达时间值512是与分组IAT还是与下一个分组到达时间值相对应。图5A中的UE辅助信息112可以例如经由MAC控制单元(CE)来进行传送,所述MAC控制单元可以被添加到MAC协议数据单元(PDU)。在一个实施例中,用于上行链路共享信道(UL-SCH)的逻辑控制识别(LCID)值(例如,01011-11000)中的一个被用于MAC CE。在该示例中,使用五位来表示到达时间值512,并且其余位可以被保留以备将来使用,如图所示。在其他实施例中,可以使用少于五位或多于五位来表示到达时间值512。
正如下面所论述的,还可以使用其他类型的消息(例如,RRC消息)来传送到达时间值和其他类型的UE辅助信息。例如,UE专用IAT或下一个分组到达信息可以通过将信息包括在上行链路专用控制信道(UL-DCCH)消息的信息单元(IE)中的一个中来发送给eNodeB114。在一个实施例中,被称为“UE-IAT-NextPacketArrival”的IE包括IAT或下一个分组到达信息,并且可以被包括在由UE 100使用的UEInformationResponse消息中,以传递由eNodeB 114请求的信息。下面示出了示例UE-IAT-NextPacketArrival消息结构,其包括短、长和常规的IAT的选项:
图5B示出了根据特定实施例的在图5A中示出的切换位510和到达时间值512的示例描述514。在该示例中,UE 100将切换位510设置为“0”以指示到达时间值512包括分组IAT信息,并且设置为“1”以指示到达时间值512包括下一个分组到达时间信息。如图5B所示,在一个实施例中到达时间值512的位表示绝对时间值,而在另一实施例中则表示索引值。绝对时间值可以指示,例如,1毫秒、10毫秒、100毫秒、1秒、10秒、或任何其他时间值。可替代地,索引值可以与一系列的时间值相对应。对于五位而言,例如,可能的索引范围从“00000”至“11111”。索引可以被映射到实际IAT值或值范围。例如,索引“00000”可以被映射到1毫秒至100毫秒的范围,索引“00001”可以映射到101毫秒至200毫秒的范围等。
B.移动状态指示符(MSI)
在一个实施例中,UE辅助信息112包括UE 100的MSI。当UE 100在小区之间行进时,如果UE 100处于活动模式时从第一eNodeB至第二eNodeB的转换所需要的开销或资源大于如果UE 100处于空闲模式时从第一eNodeB切换至第二eNodeB所需要的开销或资源。当UE100处于活动模式时,第一eNodeB将切换所必需的信息传送至第二eNodeB。然而当UE 100处于空闲模式时,切换所必需的信息不在第一eNodeB中。相反,在空闲模式下的信息是在演进型分组核心的移动管理实体(MSE)中。由此,例如,通过允许eNodeB 114释放RRC连接并且当其高速移动时将UE 100移动至RRC空闲状态,从而使将MSI从UE 100传送到eNodeB 114减少了信令开销和系统资源。
图6示出了根据一个实施例的包括MSI位610的UE辅助信息112的数据结构。在该示例中,UE 100将MSI位610设置为“0”以指示UE 100具有低移动性或无移动性,并且UE 100将MSI位610设置为“1”以指示UE 100具有高移动性。本领域中的技术人员将通过本公开认识到,可以使用附加的位以用于增大的粒度(例如,用于指示高移动状态、中等移动状态、正常移动状态、以及低或无移动状态)。
在一个实施例中,MSI位610经由信令通过开放式移动联盟设备管理(OMA-DM)或运营商来进行预配置(例如,用于固定位置或仅机器类型通信(MTC)装置)。在另一实施例中,MSI位610基于来自全球导航卫星系统(GNSS)或其他导航系统的信令来进行更新。在另一实施例中,MSI位610通过MSE以及在预定时间段期间执行的小区重选或切换的次数来进行更新。例如,在RRC空闲状态下,追踪可以基于对选定的时间段中小区重选的次数进行计数来完成。然而,在RRC连接状态下,追踪可以基于对在选定的时间段中切换的次数进行计数来完成。本领域中的技术人员应当理解,可以使用一种或多种解决方案来识别UE 100的移动状态。UE 100中可用的移动状态信息到指示符(例如,图6中的MSI位)的映射以及将MSI位610作为UE辅助信息112的一部分传输至eNodeB 114有助于eNodeB 114做出更快并且更准确的UE设置决定,这继而有助于UE 100节省电池寿命。
C.数据和/或业务类型特性
在一个实施例中,UE辅助信息112包括数据类型特性和/或业务类型特性。业务类型的示例是上面相对于图2A和图2B所论述的背景业务或活动业务。作为另一示例,UE辅助信息112可以包括业务是移动发起(MO)的类型业务还是移动终止(MT)的类型业务的指示。MO和MT类型业务指期望业务仅为UL、仅为DL、或者为UL和DL类型业务二者。图7示出了根据一个实施例的包括业务类型位710的UE辅助信息112的数据结构。在该示例中,UE 100将业务类型位710设置为“0”以指示业务为UL触发数据(例如,上传文本和/或图片的社交网络应用),并且UE 100将业务类型位710设置为“1”以指示业务为DL触发数据(例如,下载网页的网页浏览器应用)。eNodeB 114可以基于所指示的业务类型的期望周期来使用业务类型信息,以调节其UL分配和/或DRX循环。
在一个实施例中,数据和/业务类型可以是以功率偏好指示的形式。例如,当处理活动业务时UE 100可以传送用于正常功率设置的偏好并且当处理背景业务时传送用于减少的或低功率设置的偏好。图8示出了根据一个实施例的包括功率偏好位810的UE辅助信息112的数据结构。在该示例中,UE 100将功率偏好位810设置为“0”以指示用于正常功率设置(例如,在活动模式中)的偏好,并且UE 100将功率偏好位810设置为“1”以指示用于低功率设置(例如,在后台模式中)的偏好。基于功率偏好位810,eNodeB 114可以选择性地调节UE的DRX配置设置和其他参数。当功率偏好位810被设置用于低功率设置(例如,优化的功率节省)时,例如,eNodeB 114可以选择长DRX循环或RRC连接释放。
D.时间校准定时器(TAT)反馈
在一个实施例中,UE辅助信息112包括指示用于TAT的特定值或想要的值的TAT反馈。在LTE系统中,eNodeB 114针对每一个UE配置TAT。UE使用其TAT定时器来维持UL时间校准。当用于特定UE的TAT期满时,eNodeB 114释放用于所述UE的UL控制信道,并且UE不能提供UL传输直到它执行了UL时间校准程序。
在特定实施例中,UE 100被配置为使用TAT定时器来提供反馈,以指示eNodeB 114释放其UL控制信道。在一个这样的实施例中,UE 100通过请求将TAT值设置为最小值或通过请求另一具体值(例如,由于UE 100可能在更长的时间内保持连接但又不想浪费UL资源)来提供反馈。另外,或在其他实施例中,UE 100可以请求将TAT设置为极高的值,以防止定时器超时更长时间,例如,在更长的DRX休眠时间段期间。高TAT值可以是有用的,例如,UE 100期望具有低或无移动性(例如,对于特定MTC装置,诸如像智能仪表或传感器等装置)的情况下。
Ⅱ.UE辅助信息的示例信令
作为示例提供了下面所描述的用于将UE辅助信息从UE 100传送至eNodeB 114的实施例。本领域中的技术人员将通过本公开认识到,可以使用多种不同类型的消息、格式或协议。
图9示出了根据特定示例实施例的UE 100和eNodeB 114之间的通信,以基于UE辅助信息来指定DRX集。正如下面所论述的,在图9中示出的通信包括使用MAC-MainConfig信息单元(IE)910eNodeB 114将可用的DRX集的列表发送到UE 100、UE 100在UE-Assistancelnfo IE 912中将UE辅助信息发送到eNodeB 114、以及eNodeB 114在drxSet-Config IE 914中将指定的DRX集(或索引)发送到UE 100。
eNodeB 114使用RadioResourceConfigDedicated IE在连接建立或重新建立时将DRX集的列表发送到UE 100,以修改MAC-MainConfig IE 910。例如,如果列表发生了改变,那么eNodeB 114可以随时发送DRX集的列表。在一个实施例中,MAC-MainConfig IE 910列出了在eNodeB 114处可用的N个DRX集。为了支持多DRX切换,可以使用DRX集的多个集合(<=N)。一个或多个DRX集可以是性能优化的,诸如用于使端到端延迟最小化。其他DRX集可以是例如用于功率节省优化的。另一类型的DRX集可以提供性能和功率节省之间的平衡。
MAC-MainConfig IE 910可以包括对在eNodeB 114处可用的具体的DRX集进行识别的“drxset-index”参数。drxset-index有助于减少多DRX实施例的信令开销,这是因为eNodeB 114可以发送drxset-index(drxset索引)(其可以是多位,这取决于N的值),而不是发送与所述特定DRX集相关的所有DRX参数。然而,在特定实施例中,eNodeB 114首先将在eNodeB 114处可用的所有DRX集的列表发送至UE 100。MAC-MainConfig IE 910还可以包括“assigned-DrxSetlndex”参数,该参数向UE 100指示用于在获取DRX集的列表之后第一次使用的DRX集编号。
再次参考图9,UE-Assistancelnfo IE 912可以包括:例如,偏好的DRX集或偏好的DRX索引、期望的数据、功率或性能偏好、MSI、或其他类型的UE辅助信息(例如,后台/活动业务、其他业务特性、TAT定时器反馈、TAT、和/或下一个分组到达时间,如上所论述的)。在一个实施例中,从UE 100发送到eNodeB 114的UE-Assistancelnfo IE 912包括在UL-DCCH中。包括UE-Assistancelnfo IE 912的示例UL-DCCH消息结构被提供如下:
在其他实施例中,UE-Assistancelnfo IE 912被限定为现有IE的非临界扩展中的一个,所述现有IE的非临界扩展可以由UL-DCCH消息承载,所述UL-DCCH消息例如“RRCConnectionReconfigurationComplete”、“RRCConnectionReestablishmentComplete”、“rrcConnectionSetupComplete”、和/或“uelnformationResponse”,正如上面的示例UL-DCCH消息结构中所示的。这样的消息一般响应于一些eNodeB发起的RRC消息而被发送。由此,UE可能不会恰好在需要的时候发送UE辅助信息,这是因为UE正在等待要被触发的这些消息中的一条消息。如图9所示,UE-Assistancelnfo IE 912的特定实施例包括新UL RRCUEAssistanceMessage,以用于传送由UE触发的UE辅助信息传输。在这样的实施例中,UE可以随时向eNodeB发送UE辅助信息。
例如,RRCConnectionReconfigurationComplete消息可以包括:用于指示数据被期望在不久的将来到达的“data-Expected”字段;用于指示正在运行的应用在功率节省偏好或性能偏好方面的特性的“power-Or-Perfomance-preferred”字段;用于指示移动性(例如,在每单位时间切换或小区重选的次数方面)的“mobility-State-Indication”字段;用于指示由UE 100请求的用于优化其性能的DRX设置的特定集合的“preferred-DrxSet”字段;具有与DRX集合相对应的索引值的“preferred-Drxset-Index”字段,所述DRX集合是UE100想要在将来进行配置的、前述的组合,和/或用于传送本文公开的UE辅助信息的其他字段。
作为示例,被称为“powerPreference-Indication”的UE辅助参数可以用于指示UE100是否支持功率偏好指示(如上所论述的),并且RRCConnectionReconfiguration消息可以包括“powerPreflndicationConfig”IE,其用于提供与UE的功率节省偏好相关的信息。powerPreflndicationConfig IE包括“PowerPreflndication”字段,其可以被设置为“lowpowerconsumption”状态以指示UE 100偏好主要针对功率节省进行优化的配置。否则,UE 100将PowerPreflndication字段设置为“正常”状态。
在一个实施例中,能够提供功率偏好指示的UE可以在多种不同的情况下发起传送其功率偏好的过程,所述多种不同的情况包括:基于被配置为提供功率偏好指示和基于功率偏好的改变。基于发起过程,UE 100确定是否传输功率偏好指示,这是由于其被配置为提供功率偏好指示。如果没有配置,那么UE 100发起对UEAssistancelnformation消息的传输。如果UE 100已经传输了功率偏好指示,则UE 100确定其当前功率偏好信息是否不同于UEAssistancelnformation消息的最后传输中指示的功率偏好信息。如果当前功率偏好是不同的,并且功率偏好指示定时器超时,那么UE 100发起对具有当前信息的UEAssistancelnformation消息的传输。同样,如果UE 100就在切换之前已将更新的功率偏好指示发送到源小区,那么在切换已经完成后,UE 100发起对具有当前信息的UEAssistancelnformation消息的传输。
包括PowerPreflndication字段的示例UEAssistancelnformation消息结构被提供如下:
响应于UE-Assistancelnfo IE 912,eNodeB 114可以采取一种或多种行动或者可以确定不采取任何行动。例如,eNodeB可以通过释放UE 100(例如,使UE 100进入空闲模式)来进行响应。如图9所示,eNodeB 114还可以通过将drxSet-Config IE 914与用于改变DRX设置的请求一起发送至UE 100来响应UE-Assistancelnfo IE 912。drxSet-Config IE 914可以包括新指定的DRX集或DRX集索引。在一个实施例中,drxSet-Config IE 914是RadioResourceConfigDedicated IE的扩展。使用RadioResourceConfigDedicated将MAC主配置消息从eNodeB 114传输到UE 100。RadioResourceConfigDedicated IE被用于设置、修改和释放无线承载(RB)、用于修改MAC主配置、用于修改半持续调度(SPS)配置、以及用于修改专用物理配置。在特定实施例中,RadioResourceConfigDedicated IE被修改为包括在本文中称为“drxSet-Config”IE的新单元,所述“drxSet-Config”IE还可以用于修改DRX配置。
图10是根据一个实施例的用于选择或修改DRX集的方法1000的流程图。所述方法1000包括:在UE 100处接收1010radioResourceConfigDedicated消息。首先,UE 100查询1012RRCConnectionReconfiguration消息是否包括fullConfig IE。如果不包括fullConfig IE,那么UE 100执行来自MAC-MainConfig IE的DRX集更新。对于在DRXSet(其是在eNodeB 114处可用的DRX集的列表)中的每一个drxset-index值,UE 100创建1014DRX集并且使该DRX集与相对应的drxset-index相关联。如果DRX集已经被配置为与所接收的drx-index相对应,那么UE 100基于当前的radioResourceConfigDedicated DRXSet IE来修改1016DRX集。然后,UE 100基于assigned-DrxSetlndex值来配置1018当前的DRX集。
UE 100可以查询1020当RRCConnectionReconfiguration消息中存在fullConfigIE时,在radioResourceConfigDedicated消息中是否存在drxSet-Config IE,所述radioResourceConfigDedicated消息通常不包括drxSet-Config IE。然而,如果存在drxSet-Config IE,那么UE 100查询1022该消息中是否存在drxset-index。如果存在drxset-index,那么UE 100读取1024包括在drxSet-Config IE中的当前的drxset-index并且将相对应的DRX集配置为当前DRX设置以供使用,直到进一步改变为止。然而,如果不存在drxset-index,那么UE 100获取1026Current-drxSet(当前drxSet)并且将相对应的DRX集配置为DRX设置以供使用,直到进一步改变为止。
如果RRCConnectionReconfiguration消息不包括fullConfig IE,那么UE 100不执行来自MAC-MainConfig IE的DRX集更新。然而,在接收到新的radioResourceConfigDedicated消息之后,UE 100查询1022该消息中是否存在drxset-index。如果存在drxset-index,那么UE 100读取1024包括在drxSet-Config IE中的当前drxset-index并且将相对应的DRX集配置为当前DRX设置以供使用,直到进一步改变为止。然而,如果不存在drxset-index,那么UE 100获取1026Current-drxSet并且将相对应的DRX集配置为DRX设置以供使用,直到进一步改变为止。
Ⅲ.示例移动装置
图11提供了可以与一个或多个本文公开的实施例一起使用的移动装置的示例说明。所述移动装置可以是:例如,UE、移动站(MS)、移动无线装置、移动装置、平板电脑、手持装置、或其他类型的移动无线装置。移动装置可以包括被配置为与基站(例如,eNodeB、基带单元(BBU)、远程无线电头端(RRH)、远程无线设备(RRE)、中继站(RS)、无线电设备(RE)、或其他类型的无线广域网(WWAN)接入点)通信的一根或多根天线。移动装置可以被配置为使用包括3GPP LTE、WiMAX、高速分组接入(HSPA)、蓝牙和WiFi在内的至少一种无线通信标准来进行通信。移动装置可以使用用于每一个无线通信标准的单独的天线或者用于多种无线通信标准的共享天线来进行通信。移动装置可以在无线局域网(WLAN)、无线个人局域网(WPAN)、和/或WWAN中进行通信。
图11还提供了可以用于来自移动装置的音频输入和输出的麦克风和一个或多个扬声器的举例说明。显示屏可以是液晶显示(LCD)屏或其他类型的显示屏,例如,有机电致发光二极管(OLED)显示器。显示屏可以被配置为触摸屏。触摸屏可以使用电容性的、电阻式的或其他类型的触摸屏技术。应用处理器和图形处理器可以耦合至内部存储器以提供处理和显示功能。非易失性存储器端口还可以用于向用户提供数据输入/输出选项。非易失性存储器端口还可以用于扩展移动装置的存储功能。键盘可以与移动装置相集成或者无线地连接至移动设备以提供附加的用户输入。还可以使用触摸屏来提供虚拟键盘。
各种技术或其特定方面或部分可以采用体现在有形介质中的程序代码(即,指令)的形式,所述有形介质诸如是软盘、CD-ROM、硬盘驱动、非暂时性计算机可读存储介质,或任何其他机器可读存储介质,其中,当程序代码被加载到机器(例如,计算机)中并且由机器执行时,所述机器变为用于实践各种技术的装置。在程序代码在可编程计算机上执行的情况中,计算装置可以包括:处理器、由处理器读取的存储介质(包括易失性和非易失性存储器和/或存储元件)、至少一个输入设备和至少一个输出设备。易失性和非易失性存储器和/或存储元件可以是RAM、EPROM、闪存驱动、光驱、磁盘驱动、或用于存储电子数据的其他介质。基站和移动站还可以包括:收发器模块、计数器模块、处理模块、和/或时钟模块或定时器模块。可以实现或利用本文所描述的各种技术的一个或多个程序可以使用应用编程界面(API)、可重用控件等。这样的程序可以以高级程序或面向对象的编程语言来实施以用于与计算机系统通信。然而,如果需要,程序可以以汇编或机器语言实施。在任何情况下,语言可以是编译语言或解释语言,并且与硬件实施方式相结合。
应当理解的是,在本说明书中描述的多个功能性单元可以被实现为一个或多个模块,所述模块是用于特别强调它们的实施方式独立的术语。例如,模块可以被实现为硬件电路,所述硬件电路包括定制VLSI电路或门阵列、市售半导体(例如,逻辑芯片)、晶体管、或其他分立部件。模块还可以被实现在可编程硬件装置中,例如,现场可编程门阵列、可编程阵列逻辑、可编程逻辑装置等。
模块还可以被实现在用于由各种类型的处理器执行的软件中。可执行代码的所识别的模块可以例如包括计算机指令的一个或多个物理或逻辑块,所述一个或多个物理或逻辑块例如可以被组织为对象、过程或函数。然而,所识别的模块的可执行文件不需要在物理上位于一起,相反可以包括存储在不同位置中的全异指令,当在逻辑上结合在一起时,这些全异指令包括该模块并且实现该模块的既定目的。
事实上,可执行代码的模块可以是单个指令或多个指令,并且甚至可以分布在若干个不同的代码段上、不同的程序当中、以及若干个存储装置上。类似地,本文可以在模块内识别并且示出可操作的数据,并且可以以任何适当的形式来实现所述可操作的数据并且将其组织在任何合适类型的数据结构内。可以将所述可操作的数据收集作为单个数据集,或者可以使其分布在包括不同存储装置的不同位置上,并且可以至少部分地仅作为系统或网络上的电信号而存在。模块可以是被动的或主动的,包括可操作用于执行所期望的功能的代理。
贯穿整个说明书对“示例”的引用意味着结合示例所描述的特定特征、结构或特性包括在本发明的至少一个实施例中。由此,贯穿整个说明书中的各个地方的短语“在示例中”的出现并不全部指的是相同实施例。
正如本文所使用的,为了方便起见,多个项目、结构元件、复合元件、和/或材料可以呈现在共同的列表中。然而,这些列表应当被解释为如同列表的每个成员都被单独地识别为独立并且唯一的成员。由此,这样的列表的单独成员不应当只是基于在共同的组中的它们的表现而相反在没有指示的情况下,就被解释为相同列表的任何其他成员的事实上的等效物。另外,本发明的各种实施例和示例在此可以连同其各种部件的替换方案一起被提及。应当理解的是,这样的实施例、示例和替代方案不应被解释为彼此的实际等效物,而应被视为本发明的独立的并且自治的呈现。
尽管出于清楚的目的对上述内容进行了详细描述,但是显而易见的是,在不偏离其原则的情况下可以做出某些改变和修改。应当注意,存在多种替代方式来实施本文所描述的过程和装置二者。因此,本实施例应被认为是示出性的而非限制性的,并且本发明不限于本文所给出的细节,相反,本发明可以在所附的权利要求书的范围和等效物内进行修改。
本领域中的技术人员应当理解,在不偏离本发明的基本原则的情况下,可以对上文所描述的实施例的细节做出多种改变。因此,本发明的范围仅通过下面的权利要求书来确定。

Claims (13)

1.一种用于用户设备(UE)的方法,包括:
在第三代合作伙伴计划(3GPP)长期演进(LTE)无线网络中生成上行链路专用控制信道(UL-DCCH)消息,
其中,所述UL-DCCH消息包括功率偏好指示参数,所述功率偏好指示参数用于辅助演进型节点B(eNodeB)选择功率节省设置;
将所述功率偏好指示参数设置为正常功率消耗设置或者低功率消耗设置;以及
处理由所述eNodeB选择的功率节省设置。
2.根据权利要求1所述的方法,其中,所述功率偏好指示参数包括单个位,并且其中,所述方法还包括将所述位设置为指示所述正常功率消耗设置或者所述低功率消耗设置。
3.根据权利要求1所述的方法,其中,选择的功率节省设置包括不连续接收(DRX)设置。
4.一种方法,包括:
在演进型节点B(eNodeB)处接收UE能力消息,所述UE能力消息指示所述UE被配置为提供功率节省偏好指示;
响应于所述UE能力消息,将所述UE配置在正常功率消耗配置中;
在上行链路控制信道中从所述UE接收包括所述功率节省偏好指示的消息;
响应于接收到包括所述功率节省偏好指示的消息,选择控制参数选项来将所述UE从所述正常功率消耗配置改变为低功率配置;以及
将选择的控制参数选项发送到所述UE。
5.根据权利要求4所述的方法,其中,接收所述UE能力消息包括接收无线资源控制(RRC)信息元素,所述无线资源控制(RRC)信息元素指示所述UE支持所述eNodeB到所述UE的连接建立或者重新建立处的功率偏好。
6.根据权利要求4所述的方法,其中,所述选择的控制参数包括不连续接收(DRX)配置。
7.一种包括代码的机器可读介质,所述代码当被执行时,使得机器执行权利要求1-6中的任一项所述的方法。
8.一种用于用户设备(UE)的装置,包括:
用于生成包括功率偏好指示参数的上行链路专用控制信道(UL-DCCH)消息的单元,所述功率偏好指示参数用于辅助演进型节点B(eNodeB)选择功率节省设置;
用于将所述功率偏好指示参数选择性地设置为正常功率消耗设置或者低功率消耗设置的单元;以及
用于处理由所述eNodeB选择的功率节省设置的单元。
9.根据权利要求8所述的装置,其中,所述功率偏好指示参数包括单个位,并且所述用于生成所述UL-DCCH消息的单元被配置为将所述位设置为指示所述正常功率消耗设置或者所述低功率消耗设置。
10.根据权利要求8所述的装置,其中,由所述eNodeB选择的所述功率节省设置包括不连续接收(DRX)设置。
11.一种用于演进型节点B(eNodeB)的装置,所述装置包括:
用于接收UE能力消息的单元,所述UE能力消息指示所述UE被配置为提供功率节省偏好指示;
用于响应于所述UE能力消息,将所述UE配置在正常功率消耗配置中的单元;
用于在上行链路控制信道中从所述UE接收包括所述功率节省偏好指示的消息的单元;以及
用于响应于接收到包括所述功率节省偏好指示的所述消息,选择控制参数选项来将所述UE从所述正常功率消耗配置改变为低功率配置的单元。
12.根据权利要求11所述的装置,其中,用于接收所述UE能力消息的单元进一步被配置为接收无线资源控制(RRC)信息元素,所述无线资源控制(RRC)信息元素指示所述UE支持所述eNodeB到所述UE的连接建立或者重新建立处的功率偏好。
13.根据权利要求11所述的装置,其中,所述选择的控制参数包括不连续接收(DRX)配置。
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