CN104602198A - 多载波网络中的多播/广播服务连续性 - Google Patents

多载波网络中的多播/广播服务连续性 Download PDF

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CN104602198A
CN104602198A CN201510037537.XA CN201510037537A CN104602198A CN 104602198 A CN104602198 A CN 104602198A CN 201510037537 A CN201510037537 A CN 201510037537A CN 104602198 A CN104602198 A CN 104602198A
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mbms
enb
indication message
interest indication
communication module
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CN104602198B (zh
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K.埃特马
Y.张
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Apple Inc
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Intel Corp
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Abstract

本公开的实施例描述用于在无线通信网络中管理和/或支持多媒体广播多播服务（MBMS）服务的装置、方法、计算机可读介质和系统配置。演进节点B（eNB）可将MBMS辅助信息传送到用户设备（UE）。MBMS辅助信息可识别将由其提供一个或多个即将到来的MBMS服务的载波以及要由UE使用的载波选择模式的指示符。UE可传送MBMS兴趣指示消息，其包括与UE希望接收的一个或多个目标MBMS服务有关的信息。

Description

多载波网络中的多播/广播服务连续性
相关申请的交叉引用
本申请要求2012年6月25日提交的名为“MULTICAST/BROADCAST SERVICE CONTINUITY IN MULTI-CARRIER NETWOR-KS（多载波网络中的多播/广播服务连续性）”的美国专利申请No.13/531,848的优先权，该申请要求2011年9月30日提交的名为“ADVANCED WIRELESS COMMUNICATION SYSTEMS AND TECH-NIQUES（先进无线通信系统和技术）”的美国临时专利申请No.61/542,086的优先权，其全部公开通过引用结合于此。
技术领域
本发明的实施例一般涉及通信的领域，并且更具体地涉及无线通信网络中的多播/广播服务连续性。
背景技术
一些无线通信网络采用多媒体广播多播服务（MBMS）来将媒体和/或其它传送广播到多个用户设备（UE）。在一些情况下，MBMS可仅在多载波网络中的一些载波上提供。在这样的网络中对UE维持服务连续性可以是富有挑战的。
附图说明
通过下列具体实施方式连同附图，将容易理解实施例。为了便于该描述，类似的标号指代类似的结构元素。实施例通过示例而非限制的方式在附图的图中图示。
图1示意地图示根据各种实施例的无线通信网络。
图2是图示根据各种实施例的用户设备的框图。
图3是图示根据各种实施例的基站的框图。
图4是图示根据各种实施例的用于支持多媒体广播多播服务（MBMS）（其可由用户设备执行）的方法的流程图。
图5是图示根据各种实施例用于管理MBMS服务（其可由基站执行）的方法的流程图。
图6示意地描绘根据各种实施例的示例系统。
具体实施方式
本公开的说明性实施例包括但不限于用于无线通信网络中的多媒体广播多播服务（MBMS）服务连续性的方法、系统、计算机可读介质和仪器。
说明性实施例的各个方面将使用通常由本领域内技术人员采用的术语来描述以向本领域内其他技术人员传达他们的工作的实质。然而，备选实施例可仅用所描述的方面中的一些来实践，这对于本领域内技术人员将是明显的。为了解释的目的，阐述具体数字、材料和配置以便提供对说明性实施例的全面理解。然而，备选实施例可在没有具体细节的情况下实践，这对于本领域内技术人员将是明显的。在其他实例中，省略或简化众所周知的特征以便不混淆说明性实施例。
此外，各种操作将进而以对于理解说明性实施例最有帮助的方式描述为多个分立操作；然而，描述的顺序不应该理解为暗示这些操作必定是顺序相关的。特别地，这些操作不需要按呈现的顺序执行。
重复使用短语“在一些实施例中”。该短语一般不指相同的实施例；然而，它可指相同的实施例。术语“包括”、“具有”和“包含”是同义的，除非上下文另外指示。短语“A和/或B”意思是（A）、（B）或（A和B）。短语“A/B”意思是（A）、（B）或（A和B），与短语“A和/或B”相似。短语“A、B和C中的至少一个”意思是（A）、（B）、（C）、（A和B）、（A和C）、（B和C）或（A、B和C）。短语“（A）B”意思是（B）或（A和B），即A是可选的。
尽管已经在本文说明和描述具体实施例，本领域内普通技术人员将意识到很多种备选和/或等同实现可代替示出和描述的具体实施例，而不偏离本公开的实施例的范围。本申请意在涵盖本文论述的实施例的任何改编或变化。因此，显然地意图是本公开的实施例仅由权利要求和其等同物所限制。
如本文使用的，“模块”可指以下各项、是以下各项的部分或包括以下各项：专用集成电路（ASIC）、电子电路、执行一个或多个软件或固件程序的处理器（共享、专用或群组）和/或存储器（共享、专用或群组）、组合逻辑电路和/或提供描述的功能性的其他适合部件。
图1示意地图示根据各种实施例的无线通信网络100。无线通信网络100（在下文“网络100”）可以是例如演进通用移动电信系统（UMTS）陆地无线电接入网络（E-UTRAN）等第三代合作伙伴计划（3GPP）长期演进（LTE）网络的接入网络。该网络100可包括配置成与用户设备（UE）无线通信的基站，例如增强节点基站（eNB）104，。
至少在最初，eNB 104可具有与UE 108的建立的无线连接。网络100可进一步包括一个或多个额外的eNB，例如eNB 112。eNB每个可具有彼此大体上相同的传送功率能力，或备选地，eNB中的一些可具有相对较低的传送功率能力。例如，在一个实施例中，eNB　104可以是例如微微eNB、毫微微eNB和/或归属eNB（HeNB）等相对低功率基站，其配置成与第一区域116内的UE 108通信，而eNB 112可以是例如宏eNB等相对高功率基站，其配置成在第二区域120内通信，该第二区域120大于第一区域116。在一些实施例中，eNB 104可以是封闭订户组eNB。
如在图2中示出的，UE 108可包括通信模块224和MBMS模块228。该通信模块224可进一步与UE 108的多个天线232中的一个或多个天线耦合用于通过网络100进行无线通信。
UE 108可包括任何适合数量的天线232。在各种实施例中，UE 108可包括至少与UE 108从eNB 104和/或112接收的同时空间层或流的数量一样多的天线232，虽然本公开的范围在该方面可不受限制。同时空间层或流的数量也可称为传送秩，或简单地，秩。
天线232中的一个或多个天线可交替用作传送或接收天线。备选地或另外，天线232中的一个或多个可以是专用接收天线或专用传送天线。
如在图3中示出的，eNB 104可包括通信模块336和至少如示出的彼此耦合的MBMS模块340。通信模块336可进一步与eNB 104的多个天线344中的一个或多个耦合。通信模块336可与一个或多个UE（例如，UE 108）通信（例如，传送和/或接收）。在各种实施例中，eNB 104可包括至少与传送到UE 108的同时传送流的数量一样多的天线344，虽然本公开的范围在该方面可不受限制。天线344中的一个或多个可交替用作传送或接收天线。备选地或另外，天线344中的一个或多个可以是专用接收天线或专用传送天线。备选地或另外，天线344中的一个或多个可在一个或多个小区116a-c中的通信之间交替。
在一些实施例中，eNB 112可具有与eNB 104相似的模块/部件。
在各种实施例中，eNB 104的MBMS模块340可经由通信模块336将MBMS辅助信息传送到UE 108。在一些实施例中，MBMS辅助信息可包括在系统信息块（SIB）传送中。MBMS辅助信息可识别将由其提供一个或多个即将到来的MBMS服务的载波。在一些实施例中，MBMS辅助信息可包括频率指示符来识别载波。该频率指示符可以是载波的频率的数值和/或对应于载波的指数。
MBMS辅助信息可进一步包括要由UE 108使用的载波选择模式的指示符。在一些实施例中，该载波选择模式可以是对提供MBMS服务的载波选择定优先级的第一选择模式，或基于信号质量（例如，不考虑载波是否提供MBMS服务）而对载波定优先级的第二选择模式。该载波选择模式指示符可用于管理载波的加载。利用任一个选择模式，UE 108可在“尽力而为”基础上接收MBMS服务。
例如，如果在MBMS承载载波上存在低拥塞，载波选择模式可设置成第一选择模式并且如果UE 108希望接收MBMS服务则UE 108可对MBMS承载载波定优先级。UE 108还可在MBMS承载载波上接收单播服务。如果存在高拥塞，载波选择模式可设置成第二选择模式使得UE 108将基于信号质量对载波定优先级而不考虑载波是否传送MBMS。在该情况下，UE 108可例如基于相对信号质量为单播服务选择MBMS承载载波或非MBMS载波。例如，如果UE 108为单播服务选择MBMS承载载波和/或UE 108具有接收MBMS服务的另一个接收器，UE 108可仍基于“尽力而为”接收MBMS服务。
在一些实施例中，MBMS辅助信息可进一步包括载波是否对于非MBMS访问而受限制的非MBMS限制指示符。如果载波对于非MBMS访问而受限制，UE 108可在该载波上接收MBMS传送，但可能不与在该载波上传送MBMS（例如，eNB 112）的小区交互。这可便于MBMS承载载波上的加载和/或服务eNB（例如，eNB 104）与MBMS传送eNB（例如，eNB 112）之间的协作的管理。
在一些实施例中，由eNB 104传送的MBMS辅助信息可包括关于由另一个eNB（例如，eNB 112）传送的MBMS服务的信息。在一个实施例中，网络100可包括传送MBMS服务（除了提供单播服务之外）的更高功率eNB（例如，图1中的eNB 112），以及提供单播服务但不传送MBMS服务的更低功率eNB（例如，图1中的eNB 104）。无论eNB是否提供MBMS服务，UE 108可从网络100的eNB中的任一个接收MBMS辅助信息。例如，UE 108可从当前与UE 108相关联的服务eNB接收MBMS辅助信息。这可便于对UE 108的服务连续性。
在一些实施例中，MBMS辅助信息可包括多个备选MBMS承载载波的信息。所述多个备选MBMS承载载波可由相同eNB或不同eNB传送。
在一些实施例中，eNB 104可对由与eNB 104相关联的提供商不同的无线通信服务提供商传送的MBMS服务传送MBMS辅助信息。例如，eNB 104可与第一提供商相关联，并且eNB 112可与第二提供商相关联。第一提供商可与第二提供商具有第二提供商为第一提供商的客户提供MBMS服务的协定。因此，eNB 104可对于由第二提供商传送的MBMS服务（其对于UE 108可用）传送MBMS辅助信息。
在一些实施例中，由服务eNB 104传送到UE 108的关于另一个eNB（例如，eNB 112）所携带的MBMS服务的MBMS辅助信息还可包括在SIB 13中捕获的信息，如由LTE版本9和LTE版本10定义的。在该情况下，使用从服务eNB 104获得的信息，UE 108可直接找到MCH在主eNB 112上的位置并且在不从主eNB 112读取任何系统信息的情况下处理它。
在一些实施例中，MBMS相关信息可通过指示包括的信息与一个或多个备选载波的相关性而由用作SIB13的扩展的服务eNB 104广播。
在各种实施例中，UE 108（例如，MBMS模块228连同通信模块224）可将MBMS兴趣指示消息传送到eNB 104。在一些实施例中，MBMS兴趣指示消息可经由无线电资源控制（RRC）信令来传送。
MBMS兴趣指示消息可包括与UE希望接收的一个或多个目标MBMS服务有关的信息。在一些实施例中，UE可接收电子服务指导，其包括与在网络100中提供的即将到来的MBMS服务有关的信息。UE可从包括在电子服务指导中的即将到来的MBMS服务选择一个或多个目标MBMS服务。
在一些实施例中，MBMS兴趣指示消息可包括个体目标MBMS服务的频率。MBMS兴趣指示消息可包括频率字段，其包括目标MBMS服务的频率。在一些实施例中，多个MBMS服务可在相同载波频率上提供。备选地，如果没有目标MBMS服务，频率字段可包括空值。
在各种实施例中，MBMS兴趣指示消息可包括与MBMS承载载波的哪些子帧用于传送MBMS服务有关的信息。例如，MBMS兴趣指示消息可包括一个或多个MBMS标识符，例如多播-广播单频网络（MBSFN）区域身份、临时移动组身份（TMGI）和/或目标MBMS服务的服务身份。备选地或另外，MBMS兴趣指示消息可包括多播信道（MCH）信息用于识别在其上传送目标MBMS服务的载波频率的子帧。
eNB 104可使用MBMS标识符和/或MCH信息来确定载波频率中的哪些子帧被目标MBMS服务的传送所占据。eNB 104可基于MBMS兴趣指示消息的内容做出调度决策和/或配置频率间测量。例如，在一些实施例中，eNB 104可在未用于目标MBMS服务的载波频率的子帧上对UE 108调度其他传送和/或测量（例如频率间测量）。
在一些实施例中，UE 108可使用相同的处理器资源来处理MBMS服务和单播服务。eNB 104可在做出调度决策时将此纳入考虑。例如，MBMS兴趣指示消息可指示由于目标MBMS服务而被消耗/剩余和/或预期消耗/剩余的UE 108的处理能力的百分比。另外或备选地，UE 108可指示UE 108要同时接收多少MBMS服务（例如，1或2个）。
在一些实施例中，MBMS兴趣指示消息可包括数据处理净空信息元素以指示UE 108的数据处理能力的水平。例如，数据处理净空信息元素可包括布尔值用于指示UE 108是否已达到阈值数据处理能力（例如，由于MCH接收）。备选地，数据处理净空信息元素可包括多个比特用于指示UE 108为单播数据留下多少数据处理能力。
eNB 104可使用数据处理能力信息来避免和将超出UE 108的总数据处理能力的MBMS服务同时对UE 108调度单播数据。在一些实施例中，总数据处理能力可分别地用信号传递到eNB 104作为UE类别/能力的一部分。
在一些实施例中，MBMS兴趣指示消息可包括MBMS选择指示符以指示UE 108是否能够在MBMS承载载波频率上接收单播服务。eNB 104可使用该指示符来对UE 108做出调度决策。
在一些实施例中，MBMS兴趣指示可包括优先级指示符以识别UE 108的用于接收目标MBMS服务与接收单播服务相比的优先级。在一些实施例中，该优先级指示符可由UE 108的用户设置。
在一些实施例中，优先级指示符可以是单个比特，用于指示MBMS服务或单播服务是否被定优先级。在其他实施例中，优先级指示符可包括多个比特以允许优先级的多个级别。例如，两个比特的优先级指示符可用于指示UE 108的优先级的四个级别中的一个。
优先级的四个级别可包括第一级优先级，其中UE 108将仅接收MBMS服务并且与所有非MBMS服务断开。因此，所有非MBMS服务可由网络100释放并且UE 108可视为与网络100分离。UE 108可执行重新连接过程来重新连接到网络100并且恢复单播服务。
在第二级优先级中，MBMS可被给予其中单播处于闲置的优先级。在第二级优先级下，所有进行中的非MBMS服务可由网络100释放，并且UE 108进入闲置模式。寻呼消息可仍被UE 108接收（例如，对于优先级服务）。
在第三级优先级中，MBMS可被给予优先级，但UE 108可在“尽力而为”基础上维持单播服务。网络100可释放与UE 108的所有保证比特率（GBR）连接。
在第四级优先级中，MBMS可被给予低优先级（例如，单播可被给予优于MBMS服务的优先级）。可只在对单播服务没有影响时提供MBMS服务（包括GBR服务）。
在一些实施例中，一个优先级指示符可在适用于目标MBMS服务（被包括在消息中）中的全部的MBMS兴趣指示消息中提供。在其他实施例中，MBMS兴趣指示消息可包括对于个体目标MBMS服务的单独优先级指示符。
在一些实施例中，MBMS兴趣指示还可指示多个目标MBMS服务中的相对优先级。例如，目标服务可按它们的优先级顺序在MBMS兴趣指示消息中列出。
在各种实施例中，UE 108可只在满足一个或多个条件时将MBMS兴趣指示消息传送到eNB 104。例如，如果未在当前服务于UE的一个或多个服务小区中的任一个上提供目标MBMS服务，UE 108可传送MBMS兴趣指示消息，UE的所有接收器当前正用于从服务小区接收传送，并且在目标MBMS服务的载波频率上允许单播。如果目标MBMS服务的身份和/或优先级改变，则UE 108可发送另一个MBMS兴趣指示消息。限制MBMS兴趣指示消息的传送频率可减少信号拥塞。
另外或备选地，UE 108可发送MBMS兴趣指示消息，其包括在UE 108的剩余数据处理能力发生改变时（例如，如果UE 108停止接收一个或多个MBMS传送）的数据处理净空信息元素。在一些实施例中，UE 108可关于UE 108的数据处理能力的改变（如果该改变在阈值量以上）仅更新eNB 104。另外或备选地，可设置阈值，在其以下的处理能力的改变可不对eNB 104指示。
在一些实施例中，由MBMS兴趣指示消息指示的参数中的一个或多个可在UE 108从源eNB到目标eNB的切换期间从源eNB传递到目标eNB。
图4图示根据各种实施例支持MBMS服务的方法400。方法400可由UE（例如，UE 108）执行。在一些实施例中，UE可包括和/或具有对一个或多个计算机可读介质的访问，该一个或多个计算机可读介质具有存储在其上的指令，所述指令在被执行时促使UE执行方法400。
在404处，UE可从eNB（例如，eNB 104）接收MBMS辅助信息。在一些实施例中，MBMS辅助信息可包括在SIB传送中。MBMS辅助信息可包括将在其上传送MBMS服务的一个或多个MBMS载波的频率、要由UE使用的载波选择模式的指示符以及是否许可对MBMS载波的非MBMS访问的指示符。载波选择模式可以是对提供MBMS服务的载波选择定优先级的第一选择模式或基于信号质量对载波定优先级的第二选择模式。
在一些实施例中，MBMS载波可由与UE从其接收MBMS辅助信息的eNB不同的eNB传送。例如，UE可从服务eNB接收MBMS辅助信息。服务eNB可能或可能不传送MBMS载波。在一些实施例中，服务eNB可以是相对低功率eNB（例如，微微eNB和/或HeNB）和/或封闭订户组eNB。
在408处，UE可基于接收的MBMS辅助信息接收一个或多个MBMS服务。UE可选择UE希望接收的一个或多个目标MBMS服务。例如，这些目标服务可被UE的用户选择。UE然后可使用包括在MBMS辅助信息中的信息来接收目标MBMS服务。
图5图示根据各种实施例管理对UE（例如，UE 108）的MBMS服务的方法500。方法500可由eNB（例如eNB 104）执行。在一些实施例中，eNB可包括和/或具有对一个或多个计算机可读介质的访问，该一个或多个计算机可读介质具有存储在其上的指令，所述指令在被执行时促使UE执行方法500。
在504处，eNB可从UE接收MBMS兴趣指示消息，其包括与UE希望接收的目标MBMS服务有关的信息。例如，MBMS兴趣指示消息可包括MCH信息，其识别用于目标MBMS服务的MBMS载波的资源（例如，子帧）。MBMS兴趣指示消息可包括频率字段，其识别将在其上传送目标MBMS服务的MBMS载波的频率。在一些实施例中，该频率字段可包括空值，用于指示对UE不存在目标MBMS服务或UE不再对任何进行中至即将到来的MBMS服务感兴趣。
如本文论述的，MBMS兴趣指示消息可包括另外的信息。例如，MBMS兴趣指示消息可包括MBSFN区域身份、TMGI和/或目标MBMS服务的服务身份。另外或备选地，MBMS兴趣指示消息可包括优先级指示符以识别对于UE接收目标MBMS服务与接收单播服务相比的优先级。
如本文论述的，在一些实施例中，如果满足一个或多个条件，可发送MBMS兴趣指示消息。MBMS兴趣指示消息可经由RRC信令而接收。
在508处，eNB可基于MBMS兴趣指示消息管理与UE的通信。例如，eNB可在MBMS载波（在其上未传送目标MBMS服务的MCH）的资源上对UE调度传送和/或测量。
可使用任何适合的硬件和/或软件来如期望的进行配置而将本文描述的eNB 104/112和/或UE 108实现到系统中。对于一个实施例，图6图示示例系统600，其包括一个或多个处理器604、与所述一个或多个处理器604中的至少一个耦合的系统控制逻辑608、与系统控制逻辑608耦合的系统存储器612、与系统控制逻辑608耦合的非易失性存储器（NVM）/存储装置616、与系统控制逻辑608耦合的网络接口620以及与系统控制逻辑608耦合的输入/输出（I/O）装置632。
所述一个或多个处理器604可包括一个或多个单核或多核处理器。所述一个或多个处理器604可包括通用处理器和专用处理器（例如，图形处理器、应用处理器、基带处理器等）的任何组合。
一个实施例的系统控制逻辑608可包括任何适合的接口控制器，用于向所述一个或多个处理器604中的至少一个和/或与系统控制逻辑608通信的任何适合的装置或部件提供任何适合的接口。
对于一个实施例的系统控制逻辑608可包括一个或多个存储器控制器，用于向系统存储器612提供接口。系统存储器612可用于例如为系统600加载和存储数据和/或指令。一个实施例的系统存储器612可包括任何适合的易失性存储器，例如诸如适合的动态随机存取存储器（DRAM）。
例如，NVM/存储装置616可包括一个或多个有形的非暂时性计算机可读介质用于存储数据和/或指令。例如，NVM/存储装置616可包括任何适合的非易失性存储器（例如闪速存储器）和/或可包括任何适合的一个或多个非易失性存储装置，例如诸如一个或多个硬盘驱动器（HDD）、一个或多个压缩盘（CD）驱动器和/或一个或多个数字多功能盘（DVD）驱动器。
NVM/存储装置616可包括这样的存储资源，其在物理上是在其上安装系统600的装置的一部分，或者它可能被该装置访问但不一定是该装置的一部分。例如，可经由网络接口620通过网络访问和/或通过输入/输出（I/O）装置632访问NVM/存储装置616。
网络接口620可具有收发器622用于提供系统600的无线电接口以通过一个或多个网络进行通信和/或与任何其他适合的装置进行通信。收发器622可实现通信模块224。在各种实施例中，收发器622可与系统600的其他部件集成。例如，收发器622可包括所述一个或多个处理器604的处理器、系统存储器612的存储器以及NVM/存储装置616的NVM/存储装置。网络接口620可包括任何适合的硬件和/或固件。网络接口620可包括多个天线用于提供多输入多输出无线电接口。一个实施例的网络接口620可包括例如有线网络适配器、无线网络适配器、电话调制解调器和/或无线调制解调器。
对于一个实施例，所述一个或多个处理器604中的至少一个可与系统控制逻辑608的一个或多个控制器的逻辑封装在一起。对于一个实施例，所述一个或多个处理器604中的至少一个可与系统控制逻辑608的一个或多个控制器的逻辑封装在一起来形成系统级封装（SiP）。对于一个实施例，所述一个或多个处理器604中的至少一个可集成在与系统控制逻辑608的一个或多个控制器的逻辑相同的管芯上。对于一个实施例，所述一个或多个处理器604中的至少一个可集成在与系统控制逻辑608的一个或多个控制器的逻辑相同的管芯上来形成芯片上系统（SoC）。
在各种实施例中，I/O装置632可包括设计成使用户能够与系统600交互的用户界面、设计成使外围部件能够与系统600交互的外围部件接口和/或设计成确定与系统600有关的环境条件和/或位置信息的传感器。
在各种实施例中，用户界面可包括但不限于用于显示器（例如，液晶显示器、触摸屏显示器等）、扬声器、麦克风、一个或多个照相机（例如，静物照相机和/或视频照相机）、闪光灯（例如，发光二极管闪光灯）和键盘。
在各种实施例中，外围部件接口可包括但不限于非易失性存储器端口、通用串行总线（USB）端口、音频插口和电力供应接口。
在各种实施例中，传感器可包括但不限于陀螺仪传感器、加速计、近程传感器、环境光传感器和定位单元。该定位单元也可以是网络接口620的一部分或与网络接口620交互来与定位网络的部件（例如全球定位系统（GPS）卫星）进行通信。
在各种实施例中，系统600可以是移动计算装置，例如但不限于膝上型计算装置、平板计算装置、上网本、智能电话等。在各种实施例中，系统600可具有更多或更少部件和/或不同的架构。
尽管在本文中为了描述的目的已经说明和描述了某些实施例，在不偏离本公开的范围的情况下，打算用于实现相同目的的许多种备选和/或等同实施例或实现可代替示出和描述的实施例。该申请意在涵盖本文论述的实施例的任何改编或变化。因此，显然地意图是本文描述的实施例仅由权利要求和其等同物限制。

Claims (29)

1. 一种由演进通用陆地无线电接入网络（E-UTRAN）的演进节点B（eNB）采用的仪器，所述仪器包括：
通信模块，用于与用户设备（UE）通信；以及
多媒体广播多播服务（MBMS）模块，用于经由所述通信模块传送系统信息给所述UE，所述系统信息将指示将通过其提供一个或多个MBMS服务的频率载波，其中所述系统信息包括在系统信息块传送中。
2. 如权利要求1所述的仪器，其中所述系统信息还将包括多个备选MBMS-承载载波上的信息。
3. 如权利要求2所述的仪器，其中所述系统信息将包括所述多个备选MBMS-承载载波的索引。
4. 如权利要求1所述的仪器，其中所述系统信息还将为所述一个或多个MBMS服务将所述载波频率的选择优先排序。
5. 如权利要求1-4中的任一项所述的仪器，还包括：
耦合到所述通信模块的一个或多个天线。
6. 一种由用户设备（UE）采用的仪器，所述仪器包括：
通信模块，用于与演进通用陆地无线电接入网络（E-UTRAN）的演进节点B（eNB）通信；以及
多媒体广播多播服务（MBMS）模块，用于经由所述通信模块从所述eNB接收包括在系统信息块中的系统信息，其中所述系统信息将指示将通过其提供MBMS服务的载波频率。
7. 如权利要求6所述的仪器，其中所述MBMS模块还将经由所述通信模块向所述eNB传送MBMS兴趣指示消息以指示所述UE将在所述载波频率上接收所述MBMS服务。
8. 如权利要求7所述的仪器，其中所述MBMS模块还将经由无线电资源控制（RRC）信令传送所述MBMS兴趣指示消息。
9. 如权利要求6所述的仪器，其中所述MBMS模块还将经由所述通信模块向所述eNB传送MBMS兴趣指示消息以指示与单播服务相比所述UE接收所述MBMS服务的优先级。
10. 如权利要求9所述的仪器，其中如果与单播服务相比所述UE接收所述MBMS服务的所述优先级改变，则所述MBMS还将经由所述通信模块向所述eNB传送另一MBMS兴趣指示消息。
11. 如权利要求6所述的仪器，其中所述MBMS模块还将经由所述通信模块向所述eNB传送MBMS兴趣指示消息，所述MBMS兴趣指示消息将包括单个比特以指示所述UE将把所述MBMS接收或单播接收优先排序。
12. 如权利要求6所述的仪器，其中所述MBMS模块还将经由所述通信模块向所述eNB传送MBMS兴趣指示消息，所述MBMS兴趣指示消息将包括：
应用于多个MBMS服务的MBMS/单播优先级指示；
所述MBMS服务的MBMS指示符；
所述MBMS服务的临时移动组身份（TMGI）；或
所述UE将接收多少MBMS服务。
13. 如权利要求6-12中的任一项所述的仪器，其中所述MBMS模块还将经由所述通信模块向所述eNB指示与MBMS接收关联的所述UE的能力信息。
14. 如权利要求6-12中的任一项所述的仪器，还包括：
触摸屏显示器和一个或多个照相机中的至少一项。
15. 一种由演进通用陆地无线电接入网络（E-UTRAN）的演进节点B（eNB）执行的方法，所述方法包括：
与用户设备（UE）通信；以及
从所述UE接收MBMS兴趣指示消息，其中MBMS兴趣指示消息将包括优先级指示以指示与单播接收相比所述UE用于MBMS接收的优先级。
16. 如权利要求15所述的方法，还包括如果所述UE将所述MBMS接收优先排序于单播接收，则释放所述单播服务。
17. 如权利要求15所述的方法，还包括获得与所述MBMS接收关联的所述UE的能力信息。
18. 如权利要求17所述的方法，其中所述能力信息指示所述UE是否能够同时接收单播服务与所述MBMS服务。
19. 如权利要求15所述的方法，其中所述eNB是源eNB，并且其中所述方法还包括在所述UE从所述源eNB切换到目标eNB期间，将所述MBMS兴趣指示消息从所述源eNB传递到所述目标eNB。
20. 如权利要求15-19中的任一项所述的方法，还包括传送载波频率，所述UE将在所述载波频率上接收MBMS服务。
21. 一种用户设备（UE），所述UE包括：
通信模块，用于与演进通用陆地无线电接入网络（E-UTRAN）的演进节点B（eNB）通信；以及
多媒体广播多播服务（MBMS）模块，用于经由所述通信模块向所述eNB传送MBMS兴趣指示消息以指示与单播服务相比所述UE接收MBMS服务的优先级。
22. 如权利要求21所述的UE，其中所述MBMS模块还将经由所述通信模块传送系统信息，所述系统信息将指示将通过其提供MBMS服务的载波频率。
23. 如权利要求21所述的UE，其中所述MBMS模块还将经由无线电资源控制（RRC）信令传送所述MBMS兴趣指示消息。
24. 如权利要求21所述的UE，其中所述MBMS兴趣指示消息将包括：
指示所述优先级的单个比特；
所述MBMS服务的MBMS指示符；或
所述MBMS服务的临时移动组身份（TMGI）。
25. 如权利要求21-24中的任一项所述的UE，其中如果与单播服务相比所述UE接收所述MBMS服务的所述优先级改变，则所述MBMS还将经由所述通信模块向所述eNB传送另一MBMS兴趣指示消息。
26. 一种要由用户设备执行的方法，包括：
从演进节点B获取多媒体广播多播服务辅助信息，所述多媒体广播多播服务辅助信息包括将在其上传送多媒体广播多播服务的一个或多个多媒体广播多播服务载波的频率、要由所述用户设备使用的载波选择模式的指示符以及是否许可对所述多媒体广播多播服务载波的非多媒体广播多播服务访问的指示符；以及
基于接收的多媒体广播多播服务辅助信息访问一个或多个目标多媒体广播多播服务。
27. 如权利要求26所述的方法，其中所述载波选择模式是将提供多媒体广播多播服务的载波的选择优先排序的第一选择模式或基于信号质量将载波的选择优先排序的第二选择模式。
28. 如权利要求26所述的方法，其中所述多媒体广播多播服务将由另一个演进节点B在所述一个或多个多媒体广播多播服务载波上传送。
29. 一种包括代码的机器可读介质，所述代码在执行时促使机器执行如权利要求26-28中的任一项所述的方法。
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