CN104956721B - 用于配置和使用小数据无线承载的方法和设备 - Google Patents
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Abstract
本文描述了用于控制由用户设备(UE)进行的小数据传输的设备和方法。如果要由UE发送的数据的大小小于阈值,则UE可以确定要该数据是小数据。响应于确定要由UE发送的数据是小数据,UE可以发送指示UE将要发送小数据的消息。UE可以从演进型节点B(eNodeB)接收无线资源控制(RRC)信号,该无线资源控制(RRC)信号包括被配置用于传输小数据的小数据无线承载(SDRB)的逻辑信道标识符(LCID)。UE可以在从eNodeB接收到RRC信号之后,在SDRB上传输小数据。UE可以限制在SDRB上传输除小数据之外的数据。描述了其它设备和方法。
Description
权益要求
本申请要求于2013年3月1日提交的美国临时专利申请No.61/771,698的优先权,其全部内容通过引用合并于此。
技术领域
本文中所描述的实施例一般涉及为机器类型通信(MTC)装置或运行MTC应用或服务的装置服务的通信网络,更具体地,涉及用于配置和使用小数据无线承载以在此类网络中传输小数据或低优先级数据的方法和设备。
背景技术
现有的通信网络正越来越多地集成低成本、低功耗、低性能的机器类型通信装置以独立于直接人际交互执行服务。MTC装置可以传输少量数据,并且这些传输可能具有相对较低的优先级。然而,由于相对大量的MTC装置可以进行此种传输,并且因为MTC装置与其它装置相比可以相对较频繁地传输,所以这些传输可能对网络施加巨大的负担。因此,需要提高效率,MTC装置和其它小数据传输装置以该效率使用上行链路和下行链路通信资源。
附图说明
图1是说明在其中可以实施一些实施例的系统的示意图;
图2是说明根据第一实施例的配置小数据无线承载的过程的示例信号流程图;
图3是说明根据第二实施例的配置小数据无线承载的过程的示例信号流程图;
图4是根据一些实施例的示例装置属性信息要素;
图5是根据一些实施例的用户设备的基本组件的框图;以及
图6是示出根据一些实施例的eNodeB的细节的框图。
具体实施方式
最近,加大了机器类型通信(MTC)装置的使用。MTC指不必需要人际交互的机器之间的数据通信。通信可以在移动网络上进行。当前用于通用移动通信系统(UMTS)和长期演进(LTE)的第三代合作伙伴计划(3GPP)标准支持MTC,并且其它标准也可能支持MTC。
图1是说明在其中可以实施一些实施例的系统100的示意图。系统100可以包括例如由演进型节点B(eNodeB)106服务的地理区域104内的一个或多个设备装置,然而实施例并不限于通过eNodeB的通信,并且可以包括通过基站或其它元件的通信的实施例。装置102可以是MTC装置。装置102可以与eNodeB 106双向通信。例如,装置102可以在上行链路(UL)上向eNodeB 106发送和在下行链路(DL)上从eNodeB 106接收。装置102可以被配置有任何数量的MTC应用或其它应用。装置102可以在RAN侧建立数据无线承载(DRB)以与eNodeB 106交换数据。
装置102可以单独地包括任何低移动性、低功耗、和/或低功能性的通信装置。装置102可以使用任何小数据应用。通过非限制性示例,装置102可以包括停车计时器、安全传感器、锁、车库门打开器、无线接入点、或任何其它MTC装置。在另外的示例中,装置102可以包括移动装置,例如但不限于,智能电话、蜂窝电话、移动电话、膝上型计算机、平板计算机、或其它便携式联网装置。此外,装置102也可以单独地被本领域技术人员称为移动站、用户站、移动单元、用户单元、无线单元、远程单元、移动装置、无线装置、无线通信装置、远程装置、移动用户站、接入终端、移动终端、无线终端、远程终端、手持机、终端、用户代理、移动客户端、客户端、或一些其它合适的术语。
虽然一些装置102发送小数据,但是在上行链路或下行链路上发送到这些装置102或从这些装置102发送的信令流量的量可以是巨大的。寻求减少信令开销的一些当前系统重新使用信令架构(如无线资源控制(RRC)信令)在用于较大数据或较高优先级数据的逻辑和传输信道上发送小数据信令。然而,由装置102发送的信令数据可能继续压垮移动网络。
此外,当这样的数据在使用相同的默认上下文的当前使用的信道上传输时,操作者可能无法从其它数据区分出小数据。因此,机制无法或不能提供适于小数据装置的预期特性的服务质量(QoS)。
实施例为通过无线接入网络(RAN)的小数据传输(SDT)提供小数据无线承载(SDRB)架构。通过使用专用于小数据的无线承载,实施例可以减少使用信令资源来发送小数据。
图2是说明根据第一实施例的配置SDRB的过程的信号流程图。虽然图2示出了可以生成的多个示例消息和信号,但是实施例不限于此。其它信号和消息可以在示出的实体或其它实体之间传递。此外,除了此处讨论的IE之外或代替此处讨论的IE,其它的IE可以被发送。UE可以适合作为装置102(图1)。eNodeB可以适合作为eNodeB 106。信号也可以在UE或eNodeB和移动性管理实体(MME)、服务网关(S-GW)、分组网关(P-GW)以及归属用户服务器(HSS)之间交换。
在信号1中,UE发送RRC连接请求到eNodeB。UE可以请求专门为小数据建立RRC连接。UE例如可以通过发送具有建立原因的请求来请求建立RRC连接,该建立原因指定小数据以便指示UE将发送小数据。
在信号2中,UE从eNodeB接收RRC连接建立消息。该消息可以包括SDRB配置。该配置可以包括到LCID的映射。然而,实施例不限于此。映射可以包括到上行链路信道的映射、到下行链路信道的映射、到多播信道的映射等。在一些实施例中,SDRB或相关联的LCID可以被映射到专用业务(traffic)信道(DTCH),或可替换地被映射到专用控制信道(DCCH)。
在信号3中,UE发送RRC连接建立完成消息到eNodeB。该消息可以包括例如非接入层(NAS)服务请求和缓冲器状态报告(BSR)。在信号4中,eNodeB发送NAS服务请求到MME。在信号5中,eNodeB接收初始上下文建立请求消息来为UE建立初始上下文。该上下文可以包括例如S1-AP上下文,比如,安全密钥、切换限制列表、UE安全能力、其它UE能力等,然而实施例不限于此。
在信号6中,认证和安全性使用HSS被配置。在信号7中,eNodeB通知MME初始上下文建立完成。
在信号8中,UE发送小数据。UE可以使用以信号1-7配置的SDRB。虽然此处的说明描述了对一个序列的信令,但是实施例不限于此,并且一些信令可以以与此处描述的顺序不同的顺序出现。例如,在一些实施例中,UE可以在在SDRB上进行传输之前等待信号6的安全机制完成,而在其它实施例中,UE可以信号6完成之前在SDRB上进行传输。在一些实施例中,可能不生成信号6并且UE可以在无认证和安全密钥或其它上下文信息的情况下在SDRB上操作。
在信号9-12中,SDRB连接可以被释放。例如,在信号9中,eNodeB可以发信号通知MME:UE希望使用UE上下文释放请求消息来释放上下文。在信号10,MME可以以UE上下文释放命令做出响应。在信号11中,eNodeB发送RRC连接释放命令到UE。在信号12中,eNodeB通过发送UE上下文释放完成消息到MME来信号通知上下文释放完成。释放信号9-12可以在SDT之后或在一定量的时间后被立即触发,然而实施例不限于此。RRC连接释放包括释放建立的无线承载以及所有无线资源。
图3是说明根据第二实施例的配置SDRB的过程的信号流程图。虽然图3示出了可以生成的多个示例消息和信号,但是实施例不限于此。其它信号和消息可以在示出的实体或其它实体之间传递。此外,除了此处讨论的IE之外或代替此处讨论的IE,其它IE可以被发送。UE可以适合作为装置102(图1)。eNodeB可以适合作为eNodeB 106。信号也可以在UE或eNodeB和MME、S-GW和P-GW之间交换。
在信号1中,UE发送RRC连接请求到eNodeB。UE可以发送具有建立原因的请求,该建立原因指定小数据以便指示UE将发送小数据。
在信号2中,UE从eNodeB接收RRC连接建立消息。与图2中所述的相反,该消息不包括SDRB配置。
在信号3中,UE发送RRC连接建立完成消息到eNodeB。该消息可以包括非接入层(NAS)扩展服务请求。在信号4中,eNodeB发送NAS服务请求到MME。
在信号5中,认证和安全性使用HSS被配置。
在信号6中,eNodeB从MME接收初始上下文建立请求以为UE建立初始上下文。该上下文可以包括例如S1-AP上下文,比如,安全密钥、移交限制列表、UE安全能力、其它UE能力等,然而实施例不限于此。
在信号7中,eNodeB发送包括SDRB信息(例如,SDRB被映射到的LCID)的RRC连接重配置消息。与图2中所述的实施例相反,安全性应该在UE被允许在SDRB上进行传输之前被配置。换句话说,UE直到在信号5中建立认证和安全性后才接收用于传输的SDRB信息。
在信号8中,UE通知eNodeB:RRC连接重新配置完成。
在信号9中,eNodeB通知MME:初始上下文建立完成。
在信号10中,UE发送小数据。UE可以使用以信号1-9配置的SDRB。虽然此处的说明描述了一个序列的信令,但是实施例不限于此,并且一些信令可以以与此处描述的顺序不同的顺序发生。
在信号11-14中,SDRB连接可以被释放。例如,在信号11中,eNodeB可以发信号通知MME:UE希望使用UE上下文释放请求消息释放上下文。在信号12,MME可以以UE上下文释放命令做出响应。在信号13中,eNodeB发送RRC连接释放命令到UE。在信号14中,eNodeB通过发送UE上下文释放完成消息到MME来信号通知上下文释放完成。释放信号11-14可以在SDT之后或在一定量的时间后被立即触发,然而实施例不限于此。RRC连接释放包括释放建立的无线承载以及所有无线资源。
关于图2和3,在RRC连接建立完成内发送的NAS消息可以指服务请求或扩展服务请求。如果NAS消息是根据3GPP标准族的标准的扩展服务请求,则该扩展服务请求的装置属性IE可以被修改为包括对小数据的指示。
图4是根据一些实施例的示例装置属性IE。如图4所示,位(例如小数据位)可以被设置为例如0或1,以指示UE是否被配置用于SDT。通过提供SDRB,操作者可以将SDRB映射到为小数据定义的QCI特性。例如,小数据业务特性可以如表1中所示地被定义。
表1:用于小数据业务的QCI的标准化QCI特性
在一些实施例中,当RRC连接的建立原因指定被视为低优先级的“延迟容忍”应用时,SDRB可以被使用。
此处描述的实施例可以允许操作者实施机制以允许许多装置102执行SDT,同时不影响不执行SDT的其它装置102的QoS。通过提供SDRB,操作者可以根据操作者的需要控制并把无线承载区分优先次序。操作者可以为多个SDRB分配具体带宽,安装专用于处望SDT的eNodeB,或使用SDRB来递送一些类型的业务以使较高优先级的业务更容易获得网络。SDRB可以被配置用于各种无线链路控制(RLC)模式,包括传输模式(TM)、非确认模式(UM)、确认模式(AM)等。
一些实施例可以使用SDRB来帮助提供负载平衡以在相邻小区之间分配小区负载或从拥挤的小区转移业务。至少这些实施例可以使用的移动性参数或切换动作的自优化。负载平衡可以包括如下操作,比如,负载报告、基于切换的负载平衡动作、和调整切换或重新选择配置。负载信息可以包括无线资源使用、硬件负载指示符、传输网络层(TNL)负载指示符、小区容量分类值、以及指示可用于负载平衡的容量作为总小区容量的百分比的值。实施例不限于本领域普通技术人员理解为是供应商特定和实现方式特定的负载平衡的具体实现方式或将被用于负载平衡的任何具体参数。
各种实施例可以例如基于关于图2-3所述的小数据RRC建立原因或其它建立原因,通过控制哪类装置102可以连接到网络来提供负载平衡。各种实施例可以例如基于服务质量类标识符(QCI)和装置或应用优先级等级,通过控制设备102可以在某些时刻发送的数据的类型来提供负载平衡。例如,在一些实施例中,装置102可以被配置为具有低访问优先级,延长等待计时器可以被用于拒绝RRC连接,或移动性管理实体(MME)可以拒绝来自某些类别的装置102的RRC连接。
本文参照以频分复用(FDD)模式操作的LTE系统对实施例进行了描述。然而,其它实施例可以适用于在3GPP中指定的复用模式和其它无线访问技术,即,LTE/高级LTE FDD和LTE/高级LTE TDD。
用于实施实施例的示例装置
图5是根据一些实施例的UE 500的基本组件的框图。UE 500可以适合作为装置102(图1)。UE 500可以支持根据如上参照图1-4和表1描述的实施例的用于小数据传输的方法。
UE 500包括被布置为与基站(BS)、eNodeB 106(图1)、或其它类型的无线局域网(WLAN)接入点通信的一个或多个天线510。UE 500还包括处理器520、指令525、和存储器530。UE 500还包括通信接口540。在一个实施例中,存储器530包括但不限于:随机存取存储器(RAM)、动态RAM(DRAM)、静态RAM(SRAM)、同步DRAM(SDRAM)、双倍数据速率(DDR)SDRAM(DDR-SDRAM)、或能够支持数据的高速缓冲的任何装置。
在至少一个实施例中,通信接口540是例如根据多输入/多输出(MIMO)操作运作的无线物理层。如上文参照图2-4所述的,处理器520可以确定要由UE发送的数据的大小,并且如果数据的大小小于阈值,则将数据表征为小数据。
响应于将数据表征为小数据,通信接口540将发送指示UE 500将发送小数据的消息。该消息可以包括非接入层(NAS)扩展服务请求,该非接入层扩展服务请求包括指示UE500正在建立用于小数据传输的连接的装置属性信息元素(IE)。
通信接口540将在接收到SDRB已经被配置用于传输小数据的通知后,发送小数据。UE 500可以限制在SDRB上传输小数据之外的数据。SDRB可以被映射到根据第三代合作伙伴计划(3GPP)标准族中的标准定义的专用传输信道(DTCH)。然而,实施例不限于此,并且SDRB可以被映射到其它信道并且SDRB可以被映射到不同的上行链路、下行链路、和多播信道。SDRB可以被映射到定义小数据业务的服务质量(QoS)的质量控制指示符(QCI),或者映射到操作者期望的任何其它QCI。
通信接口540可以接收SDRB已经被配置在无线资源控制(RRC)连接建立消息中的通知。通信接口540可以限制在SDRB上传输直到通信接口540接收到安全机制被配置的安全通知。然而,实施例不限于此,并且通信接口540可以在不等待接收通知UE安全机制被配置在SDRB上的安全通知的情况下,在SDRB上传输小数据。
然而,如关于图3所述的,如果通知是在无线资源控制(RRC)连接重配置消息中接收到的,则至少因为直到安全机制到位之后SDRB配置信息才被接收,通信接口540在安全机制到位前不可以使用SDRB进行传输。
处理器520可以包括逻辑或代码以使得UE 500能够处理通过天线510从网络接收的信号。处理器520可以包括代码或其它指令525,以允许UE 500确定要由UE 500发送的数据的大小,并且如果数据的大小小于阈值,则该数据被表征为小数据。指令525还可以允许UE 500在接收到SDRB已经被配置用于传输小数据的通知后,发送小数据。指令525可以另外地或替代地驻留在存储器530中。因此,处理器520和存储器530可以包括计算机可读介质。
用于实施实施例的示例eNodeB
图6是示出根据一些实施例的eNodeB 600的细节的框图。eNodeB 600可以适合作为eNodeB 106(图1)。eNodeB 600可提供或分配UL资源给UE500(图5)或装置102。eNodeB600可包括处理器610、存储器620、收发器630、和指令635。eNodeB 600可以包括其他元件(未示出)。
处理器610包括一个或多个中央处理单元(CPU)、图形处理单元(GPU)、或两者。处理器610为eNodeB 600提供处理和控制功能。存储器620包括被配置为存储eNodeB 600的指令635和数据的一个或多个暂态和静态存储器单元。
收发器630包括一个或多个收发器,这一个或多个收发器包括多输入和多输出(MIMO)天线以支持MIMO通信。除了别的之外,收发器630从装置102(图1)接收UL传输并且向装置102(图1)发送DL传输。
指令635包括一个或多个指令集或软件,这一个或多个指令集或软件在计算装置(或机器)上执行以使得此计算装置(或机器)来执行本文所讨论的任何方法。在指令635(也被称为计算机或机器可执行指令)由eNodeB 600执行期间,指令635可以全部或至少部分地驻留在处理器610和/或存储器620内。处理器610和存储器620还包括机器可读介质。
收发器630可以接收来自用户设备(UE)的指示UE应当正在发送小数据的无线资源控制(RRC)连接请求。通过使用包括建立原因字段的请求来产生指示。在接收到请求之后,收发器630可以发送对该请求的响应,该响应包括用于传输小数据的SDRB的逻辑信道标识符(LCID)。收发器630可以在RRC连接建立消息或RRC连接重新配置消息中发送SDRB的LCID。
处理器610可以确定从UE接收的RRC连接完成消息是否包括非接入层(NAS)扩展服务请求,该非接入层(NAS)扩展服务请求包括指示应建立SDRB的装置属性信息元素(IE)。处理器610可以配置到MME的请求消息,该请求消息包括基于关于图2-3所述的装置属性IE的配置信息,或指示UE 600是否是低优先级的UE的其它信息。
如本领域技术人员将容易理解的,本公开通篇所述的各个方面可以被扩展到其他电信系统、网络架构和通信标准。通过非限制性示例的方式,各个方面可以被扩展到其他通用移动通信系统(UMTS)的系统。各个方面可以被用于采用长期演进(LTE)(以FDD、TDD、或这两种模式)和高级LTE(LTE-A)(以FDD、TDD、或这两种模式)的系统。
本文所述的示例可以包括逻辑或多个部件、组件或机制,或者可以在其上操作。组件是能够执行指定操作的有形实体,并且可以以某种方式被配置或布置。在示例中,电路可以以指定方式被布置(例如,内部地或相对于外部的实体,比如其它电路)作为组件。在示例中,一个或多个计算机系统(例如,独立的、客户端或服务器计算机系统)的整个或部分,或一个或多个硬件处理器可以通过固件或软件(例如,指令、应用部分、或应用)被配置作为可操作来执行指定操作的组件。在示例中,软件可以驻留在(1)非暂态计算机可读介质中或(2)传输信号中。在示例中,当软件由组件的底层硬件执行时,使得硬件执行指定操作。
相应地,术语“部件”和“组件”被理解为包含有形实体,即被物理上构造的、专门配置(例如,硬连接的)、或临时(例如,暂态地)配置(例如,编程)为以指定方式操作或执行本文所述任何操作的全部或部分。考虑其中组件被临时配置的示例,组件的一个实例可能不能与相同的或不同的组件的另一实例同时地存在。例如,在组件包括使用软件配置的通用硬件处理器的情况下,通用硬件处理器可以在不同的时间被配置为各自不同的组件。因此,软件可以配置硬件处理器,以例如在一个时间实例构成特定组件,并且在不同时间实例构成不同组件。
当前描述的方法、系统和装置的实施例的其它示例包括以下非限制性配置。以下非限制性示例中的每个可以独立存在,或可以以任何排列或组合与下面或本公开通篇中提供的其它示例中的任何一个或多个组合。前面的描述和附图充分说明了具体实施例使本领域的技术人员能够实践它们。其它实施例可以合并结构、逻辑、电气、过程和其它变更。一些实施例的部分和特征可以被包括在其它实施例的部分和特征中,或者取代其它实施例的部分和特征。
其他注解和示例
示例1可以包括主题(比如,方法、用于执行动作的装置、包括指令的机器可读介质(这些指令当被机器执行时使得机器执行动作)、或被配置为执行动作的设备),该主题包括:如果要由UE发送的数据的大小小于阈值,则确定该数据是小数据;响应于确定要由UE发送的数据是小数据,发送指示UE将要发送小数据消息;响应于发送该消息,从根据第3代合作伙伴计划(3GPP)标准族的标准的演进型节点B(eNobeB)接收无线资源控制(RRC)信号,该无线资源控制(RRC)信号包括被配置用于小数据的传输的小数据无线承载(SDRB)的逻辑信道标识符(LCID);在从eNobeB接收到RRC信号之后,在SDRB上传输小数据;并且限制在SDRB上传输除小数据之外的数据。
示例2可以包括,或可以可选地与示例1的主题组合,以可选地包括:确定是否限制在SDRB上进行传输直到接收到安全通知,该安全通知指示安全机制到位。
示例3可以包括,或可以可选地与示例1和/或2的主题组合,以可选地包括如下方面,其中确定是否限制是基于UE是静止的还是移动的,或基于在UE上执行的应用的安全状态。
示例4可以包括,或可以可选地与示例1-3中的任一个的主题组合,以可选地包括发送RRC连接建立完成消息,该消息包括非接入层(NAS)扩展服务请求,该非接入层(NAS)扩展服务请求包括指示UE正在为小数据建立连接的装置属性信息元素(IE)。
示例5可以包括,或可以可选地与示例1-4中的任一个的主题组合,以可选地包括如下方面,其中SDRB被映射到用于上行链路通信的专用传输信道(DTCH)信道,并且其中SDRB被映射到定义小数据业务的服务质量(QoS)的质量控制指示符(QCI)。
示例6可以包括主题(比如,设备、移动设备、MTC装置、用户设备、网络装置、eNodeB、通信设备或装置、硬件、组件、或部件),该主题可以可选地是除了示例1-5中的任何一个或其组合的主题之外的主题,该主题包括处理电路,该处理电路确定要由UE发送的数据的大小,并且如果该数据的大小小于阈值,则将该数据表征为小数据;以及物理层电路,该物理层电路发送指示UE将要发送小数据的消息,并且在接收到关于小数据无线承载(SDRB)已经被配置用于传输小数据的通知后,发送小数据。
示例7可以包括主题(比如,设备、移动设备、MTC装置、用户设备、网络装置、eNodeB、通信设备或装置、硬件、组件、或部件),该主题可以可选地是除了示例1-6中的任何一个或其组合的主题之外的主题,以可选地包括以下方面,其中该通知是在无线资源控制(RRC)连接建立消息中被接收的。
示例8可以包括主题(比如,设备、移动设备、MTC装置、用户设备、网络装置、eNodeB、通信设备或装置、硬件、组件、或部件),该主题可以可选地是除了示例1-7中的任何一个或其组合的主题之外的主题,以可选地包括以下方面,其中物理层电路被进一步布置成限制在SDRB上进行传输直到物理层电路接收到通知UE安全机制被配置的安全通知。
示例9可以包括主题(比如,设备、移动设备、MTC装置、用户设备、网络装置、eNodeB、通信设备或装置、硬件、组件、或部件),该主题可以可选地是除了示例1-8中的任何一个或其组合的主题之外的主题,以可选地包括以下方面,其中物理层电路被布置成在不等待接收到通知UE安全机制被配置在SDRB上的安全通知的情况下,在SDRB上传输小数据。
示例10可以包括主题(比如,设备、移动设备、MTC装置、用户设备、网络装置、eNodeB、通信设备或装置、硬件、组件、或部件),该主题可以可选地是除了示例1-9中的任何一个或其组合的主题之外的主题,以可选地包括以下方面,其中该通知是在无线资源控制(RRC)连接重配置消息中被接收的,并且物理层电路被进一步布置成限制在SDRB上进行传输直到接收到通知UE安全机制被配置在SDRB上的安全通知之后的某一时刻。
示例11可以包括主题(比如,设备、移动设备、MTC装置、用户设备、网络装置、eNodeB、通信设备或装置、硬件、组件、或部件),该主题可以可选地是除了示例1-10中的任何一个或其组合的主题之外的主题,以可选地包括以下方面,其中指示UE将要发送小数据的消息包括非接入层(NAS)扩展服务请求,该非接入层(NAS)扩展服务请求包括指示UE正在为小数据传输建立连接的装置属性信息元素(IE)。
示例12可以包括主题(比如,设备、移动设备、MTC装置、用户设备、网络装置、eNodeB、通信设备或装置、硬件、组件、或部件),该主题可以可选地是除了示例1-11中的任何一个或其组合的主题之外的主题,以可选地包括以下方面,其中物理层电路限制在SDRB上传输除小数据之外的数据。
示例13可以包括主题(比如,设备、移动设备、MTC装置、用户设备、网络装置、eNodeB、通信设备或装置、硬件、组件、或部件),该主题可以可选地是除了示例1-12中的任何一个或其组合的主题之外的主题,以可选地包括以下方面,其中SDRB被映射到根据第三代合作伙伴计划(3GPP)标准族中的标准定义的专用传输信道(DTCH)。
示例14可以包括主题(比如,设备、移动设备、MTC装置、用户设备、网络装置、eNodeB、通信设备或装置、硬件、组件、或部件),该主题可以可选地是除了示例1-13中的任何一个或其组合的主题之外的主题,以可选地包括一个方面,其中SDRB被映射到定义小数据业务的服务质量(QoS)的质量控制指示符(QCI)。
示例15可以包括主题(比如,设备、移动设备、MTC装置、用户设备、网络装置、eNodeB、通信设备或装置、硬件、组件、或部件),该主题可以可选地是除了示例1-14中的任何一个或其组合的主题之外的主题,该主题包括收发器,该收发器被布置成:接收来自用户设备(UE)的无线资源控制(RRC)连接请求,该无线资源控制(RRC)连接请求包括指示UE将要发送小数据的建立原因字段;并且在接收到该请求之后,发送对该请求的响应,该响应包括用于传输小数据的小数据无线承载(SDRB)的逻辑信道标识符(LCID)。
示例16可以包括主题(比如,设备、移动设备、MTC装置、用户设备、网络装置、eNodeB、通信设备或装置、硬件、组件、或部件),该主题可以可选地是除了示例1-15中的任何一个或其组合的主题之外的主题,以可选地包括以下方面,其中收发器被布置成在RRC连接建立消息中或RRC连接重新配置消息中传输SDRB LCID。
示例17可以包括主题(比如,设备、移动设备、MTC装置、用户设备、网络装置、eNodeB、通信设备或装置、硬件、组件、或部件),该主题可以可选地是除了示例1-16中的任何一个或其组合的主题之外的主题,以可选地包括处理器,该处理器被布置成:确定从UE接收的RRC连接完成消息是否包括包括非接入层(NAS)扩展服务请求,该非接入层(NAS)扩展服务请求包括指示SDRB应当被建立的装置属性信息元素(IE);并且配置到MME的请求消息,如果RRC连接请求包括装置属性IE,则该请求消息包括基于装置属性IE的配置信息,或者如果RRC连接请求不包括装置属性IE,则该请求消息包括指示该UE是否是低优先级UE的其它信息。
示例18可以包括主题(比如,方法、用于执行动作的装置、包括指令的机器可读介质(这些指令当被机器执行时使得机器执行动作)、或被配置为执行动作的设备),该主题可以可选地是除了示例1-17中的任何一个或其组合的主题之外的主题,该主题包括接收来自用户设备(UE)的无线资源控制(RRC)连接请求,该无线资源控制(RRC)连接请求包括指示UE将要发送小数据的建立原因字段;并且发送对该请求的响应,该响应包括用于传输小数据的小数据无线承载(SDRB)的逻辑信道标识符(LCID)。
示例19可以包括,或者可以可选地与示例1-18的主题组合,以可选地包括以下方面,其中SDRB LCID是在RRC连接建立消息中被传输的。
示例20可以包括,或者可以可选地与示例1-19的主题组合,以可选地包括:确定UE是否已经发送非接入层(NAS)扩展服务请求,该非接入层(NAS)扩展服务请求包括指示UE正在建立用于小数据传输的连接的装置属性信息元素(IE);并且配置到移动性管理实体(MME)的请求消息,如果RRC连接请求包括装置属性IE,则该请求消息包括基于装置属性IE的配置信息,或者如果RRC连接请求不包括装置属性IE,则该请求消息包括指示该UE是否是低优先级UE的其它信息。
Claims (21)
1.一种用户设备UE,包括:
处理电路,该处理电路被布置成:
确定要由所述UE发送的数据的大小;以及
如果所述数据的大小小于阈值,则将所述数据表征为小数据;以及
物理层电路,该物理层电路被所述处理电路配置成,响应于所述表征:
发送指示所述UE将要发送小数据的消息,其中指示所述UE将要发送小数据的消息包括非接入层NAS扩展服务请求,该非接入层NAS扩展服务请求包括指示UE正在建立用于小数据传输的连接的装置属性信息元素IE;以及
在接收到小数据无线承载SDRB已经被配置用于传输小数据的通知后,发送所述小数据,其中,所述SDRB是专用于传输小数据的无线承载,并且所述UE限制在所述SDRB上传输除小数据之外的数据和信令。
2.根据权利要求1所述的UE,其中,所述通知是在无线资源控制RRC连接建立消息中被接收的。
3.根据权利要求2所述的UE,其中,所述物理层电路被进一步布置成限制在所述SDRB上进行传输直到所述物理层电路接收到通知所述UE安全机制被配置的安全通知。
4.根据权利要求2所述的UE,其中,所述物理层电路被布置成在不等待接收到通知所述UE安全机制被配置的安全通知的情况下,在所述SDRB上传输小数据。
5.根据权利要求1所述的UE,其中,所述通知是在无线资源控制RRC连接重配置消息中被接收的,并且所述物理层电路被进一步布置成限制在所述SDRB上进行传输直到在接收到通知所述UE安全机制被配置在所述SDRB上的安全通知之后的时刻。
6.根据权利要求1所述的UE,其中,所述SDRB被映射到根据第三代合作伙伴计划3GPP标准族中的标准定义的专用传输信道DTCH。
7.根据权利要求1所述的UE,其中,所述SDRB被映射到到定义小数据业务的服务质量QoS的质量控制指示符QCI。
8.一种演进型节点B eNodeB,包括:
收发器,该收发器被布置成:
接收来自用户设备UE的无线资源控制RRC连接请求,该无线资源控制RRC连接请求指示所述UE将要发送小数据;
在接收到所述请求之后,发送对所述请求的响应,所述响应包括用于传输小数据的小数据无线承载SDRB的逻辑信道标识符LCID,其中,所述SDRB是专用于传输小数据的无线承载,并且所述UE限制在所述SDRB上传输除小数据之外的数据和信令;并且
接收来自所述UE的RRC连接完成消息;以及
处理器,该处理器被布置成:
确定从所述UE接收的所述RRC连接完成消息是否包括非接入层NAS扩展服务请求,该非接入层NAS扩展服务请求包括指示SDRB应当被建立的装置属性信息元素IE。
9.根据权利要求8所述的eNodeB,其中,所述收发器被布置成在RRC连接建立消息中或者在RRC连接重新配置消息中发送所述SDRB的LCID。
10.根据权利要求9所述的eNodeB,所述处理器被布置成:
配置到移动性管理实体MME的请求消息,
如果所述RRC连接请求包括所述装置属性IE,则所述请求消息包括基于所述装置属性IE的配置信息,或者
如果所述RRC连接请求不包括所述装置属性IE,则所述请求消息包括指示所述UE是否是低优先级UE的其它信息。
11.一种由用户设备UE执行的用于小数据传输的方法,所述方法包括:
如果要由所述UE发送的数据的大小小于阈值,则确定所述数据是小数据;
响应于确定要由所述UE发送的数据是小数据,发送指示所述UE将要发送小数据的消息;
响应于发送所述消息,从根据第3代合作伙伴计划3GPP标准族的标准的演进型节点BeNobeB接收RRC信号,所述RRC信号包括被配置用于小数据的传输的小数据无线承载SDRB的逻辑信道标识符LCID,所述SDRB是专用于传输小数据的无线承载;
发送RRC连接建立完成消息,所述RRC连接建立完成消息包括非接入层NAS扩展服务请求,所述非接入层NAS扩展服务请求包括指示所述UE正在建立用于小数据的连接的装置属性信息元素IE;
在发送所述RRC连接建立完成消息之后,在所述SDRB上传输小数据;并且
限制在所述SDRB上传输除小数据之外的数据和信令。
12.根据权利要求11所述的方法,其中,所述RRC信号是在RRC连接建立消息中被接收的,并且所述方法进一步包括:
确定是否限制在所述SDRB上进行传输直到安全通知被接收,该安全通知指示安全机制已到位。
13.根据权利要求12所述的方法,其中,确定是否限制是基于所述UE是静止还是移动的,或者是基于在所述UE上执行的应用的安全状态的。
14.根据权利要求12所述的方法,其中,所述SDRB被映射到用于上行链路通信的专用传输信道DTCH信道,并且其中,所述SDRB被映射到定义针对小数据业务的服务质量QoS的质量控制指示符QCI。
15.一种由演进型节点B eNodeB执行的用于控制小数据传输的方法,所述方法包括:
接收来自用户设备UE的无线资源控制RRC连接请求,该无线资源控制RRC连接请求包括指示所述UE将要发送小数据的建立原因字段;
发送对所述请求的响应,所述响应包括用于传输小数据的小数据无线承载SDRB的逻辑信道标识符LCID,其中,所述SDRB是专用于传输小数据的无线承载,并且所述UE限制在所述SDRB上传输除小数据之外的数据和信令;
接收来自所述UE的RRC连接完成消息;以及
确定从所述UE接收的所述RRC连接完成消息是否包括非接入层NAS扩展服务请求,该非接入层NAS扩展服务请求包括指示SDRB应当被建立的装置属性信息元素IE。
16.根据权利要求15所述的方法,其中,所述SDRB LCID是在RRC连接建立消息中被传输的。
17.根据权利要求15所述的方法,其中,所述SDRB LCID是在RRC连接重配置消息中被传输的,并且所述方法还包括:
配置到移动性管理实体MME的请求消息,
如果所述RRC连接请求包括所述装置属性IE,则所述请求消息包括基于所述装置属性IE的配置信息,或者
如果所述RRC连接请求不包括所述装置属性IE,则所述请求消息包括指示所述UE是否是低优先级UE的其它信息。
18.一种计算机可读存储介质,其上存储有指令,所述指令当被用户设备UE执行时,使得所述UE执行根据权利要求11-14中任一项所述的方法。
19.一种用于用户设备UE中的设备,包括用于执行根据权利要求11-14中任一项所述的方法的装置。
20.一种计算机可读存储介质,其上存储有指令,所述指令当被演进型节点B eNodeB执行时,使得所述eNodeB执行根据权利要求15-17中任一项所述的方法。
21.一种用于演进型节点B中的设备,包括用于执行根据权利要求15-17中任一项所述的方法的装置。
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