CN105659658A - 无线电链路监控 - Google Patents

无线电链路监控 Download PDF

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CN105659658A
CN105659658A CN201480057698.9A CN201480057698A CN105659658A CN 105659658 A CN105659658 A CN 105659658A CN 201480057698 A CN201480057698 A CN 201480057698A CN 105659658 A CN105659658 A CN 105659658A
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wireless link
channel quality
senb
enb
parameter
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CN105659658B (zh
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凯西拉维特皮莱·西华尼申
艾里·塔哈·科克
萨蒂什·C·扎
拉蒂·凡尼瑟姆比
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Apple Inc
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Intel Corp
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Abstract

在实施例中,可以描述用于在被配置为双连接的无线通信网络中监控辅演进节点B(SeNB)和用户设备(UE)之间的无线电链路的信道质量的装置、方法和存储介质。在实施例中,UE可以生成关于SeNB-UE无线电链路的信道质量的一个或多个指示,并将指示转发至SeNB。基于该指示,UE可以从主eNB(MeNB)接收与SeNB-UE无线电链路有关的无线电资源控制(RRC)消息。其他实施例也可以被要求保护。

Description

无线电链路监控
相关申请的交叉引用
本申请要求于2014年9月26日递交的、题为“无线电链路监控”的美国专利申请No.14/498,993的优先权,其要求于2013年11月27日递交的、题为“先进的无线通信系统和技术”的美国临时专利申请No.61/909,938的优先权,它们的全部公开通过引用被完整结合于此。
技术领域
本发明的实施例总体涉及双连接(dualconnectivity)网络中的无线电监控的技术领域。
背景技术
本文所提供的背景描述是为了大致展示本公开的上下文。目前署名的发明人的工作(到此背景技术部分中所描述的程度)以及说明书中在递交时可能不能以其他方式作为现有技术的方面既不明确地也不隐含地被承认为抵触本公开的现有技术。除非本文中另有指示,否则这部分所描述的途径对于本公开的权利要求而言不是现有技术,并且不因被包括在这部分中而被承认是现有技术。
双连接网络可以是用户设备(UE)在其中可以同时与多于一个小区站点连接的网络。小区站点可以被视为演进节点B(eNB)。当UE连接至两个(或更多个)eNB时,它可以同时从两个eNB接收数据。在实施例中,这些eNB中的一个eNB可以被视为主eNB(MeNB),MeNB可以具有无线电资源控制(RRC)实体。这些eNB中的另一eNB可以被视为辅eNB(SeNB),SeNB可以不具有RRC实体。UE可以通过MeNB-UE无线电链路与MeNB连接,并且UE可以通过SeNB-UE无线电链路与SeNB连接。在一些情况下,UE可以不被配置为监控SeNB-UE无线电链路的质里。
附图说明
结合附图并通过下面的详细描述将易于理解实施例。为了有助于本描述,相似的参考标号表示相似的结构元件。在附图的图示中通过示例的方式而非限制的方式来示出实施例。
图1根据各种实施例示意性地示出包括UE和eNB的网络的高级示例。
图2根据各种实施例示意性地示出包括UE、SeNB和MeNB的网络的高级示例。
图3根据各种实施例描述了可由SeNB执行的、用于监控SeNB-UE无线电链路的过程。
图4根据各种实施例描述了可由MeNB执行的、用于监控SeNB-UE无线电链路的过程。
图5根据各种实施例描述了可由UE执行的、用于监控SeNB-UE无线电链路的过程。
图6示意性地示出可被用于实施本文所述的各种实施例的示例性系统。
具体实施方式
在实施例中,可以描述用于在被配置为双连接的无线通信网络中监控SeNB和UE之间的无线电链路的信道质量的装置、方法和存储介质。在实施例中,UE可以生成关于SeNB-UE无线电链路的信道质量的一个或多个指示,并将指示转发至SeNB。基于该指示,UE可以从MeNB接收与SeNB-UE无线电链路有关的RRC消息。
在实施例中,指示可以基于与SeNB-UE无线电链路有关的一个或多个无线电链路监控(RLM)参数。在一些实施例中,与SeNB-UE无线电链路有关的RLM参数可以不同于与MeNB-UE无线电链路有关的RLM参数。在一些实施例中,指示可以与UE测量的一个或多个信道质量指示符CQI值有关。在一些实施例中,CQI值可以被报告至SeNB,SeNB可以将该CQI值与信道质量阈值进行比较。在一些实施例中,SeNB可以将关于比较的结果的指示发送至MeNB。在其他实施例中,SeNB可以向可执行CQI值与信道质量阈值的比较的MeNB转发CQI值。
在下面的具体实施方式中,参照了形成本文的一部分的附图,其中相似的标号通篇表示相似的部分,并且其中通过示例的方式示出了可被实践的实施例。应当理解的是可以利用其他实施例,并且在不背离本公开的范围的情况下可以做出结构或逻辑变化。因此,下面的具体实施方式不认为具有限制意义。
各种操作以最有助于理解所声明的主题的方式被描述为依次的多个离散动作或操作。然而,描述的顺序不应当被解释为暗示这些操作必须依赖于顺序。具体来说,这些操作可以不以呈现的顺序来执行。所描述的操作可以采用与所描述的实施例不同的顺序来执行。在附加的实施例中可以执行各种附加的操作和/或可以省略所描述的操作。
出于本公开的目的,短语“A和/或B”意为(A)、(B)、或(A和B)。为了本公开的目的,短语“A、B和/或C”意为(A)、(B)、(C)、(A和B)、(A和C)、(B和C)、(A、B和C)。
该描述可以使用短语“在一个实施例中”或“在实施例中”,它们各自均指代相同或不同实施例中的一个或多个实施例。另外,针对本公开的实施例所使用的术语“包括”、“包含”、“具有”等是同义的。
如本文所讨论的,术语“模块”可以被用于指代系统的一个或多个物理或逻辑组件或元件。在一些实施例中,模块可以是单独的电路,而在其他实施例中,模块可以包括多个电路。
图1根据各种实施例示意性地示出无线通信网络100(下文称为“网络100”)。网络100可以包括与eNB105通信耦合的UE110。在实施例中,网络100可以是第三代合作伙伴计划(3GPP)长期演进(LTE)网络、高级版LTE(LTE-A)网络和/或未授权频段LTE(LTE-U)网络。在其他实施例中,网络100可以是一些其他类型的无线通信网络。
如图1所示,UE110可以包括收发机模块130,其也可以被称为多模收发机芯片。收发机模块130可以被配置为使用一个或多个协议(诸如LTE、LTE-A和/或LTE-U协议)发送和接收信号。具体来说,收发机模块130可以与UE110的多个天线125中的一个或多个天线耦合以与网络100的其他组件(例如,eNB105或另一UE)进行无线通信。天线125由功率放大器135提供功率,该功率放大器135可以如图1所示是收发机模块130的组件,或者从收发机模块130分离但与之耦合。在一个实施例中,功率放大器135可以为天线125上的所有传输提供功率。在其他实施例中,在UE110上可以存在多个功率放大器。使用多个天线125可以允许UE110使用发射分集技术,诸如空间正交资源发射分集(SORTD)、多输入多输出(MIMO)、或全维度MIMO(FD-MIMO)。
在某些实施例中,收发机模块130可以包括可被称为宽带模块的通信模块137,其可以包含发送电路140和接收电路145二者,其中发送电路140被配置为致使天线125从UE110发送一个或多个信号,而接收电路145被配置为处理由天线125接收的信号。在其他实施例中,通信模块137可以被实施在分离的芯片或模块中,例如一个芯片包括接收电路145,另一芯片包括发送电路140。在一些实施例中,所发送或所接收的信号可以是从eNB105发送或自eNB105接收的蜂窝信号。在一些实施例中,收发机模块130可以包括RRC电路120或与之耦合以识别、生成或解译一个或多个RRC信号、RLM参数或信道质量参数,如下面更加详细地描述的。
类似于UE110,eNB105可以包括收发机模块150。收发机模块150还可以与eNB105的多个天线175中的一个或多个天线耦合以与网络100的其他组件(例如,UE110)进行无线通信。天线175由功率放大器160提供功率,该功率放大器160可以如图1所示是收发机模块150的组件,或者可以是eNB105的分离组件。在一个实施例中,功率放大器160可以为天线175上的所有传输提供功率。在其他实施例中,在eNB105上可以存在多个功率放大器。使用多个天线175可以允许eNB105使用发射分集技术,诸如SORTD、MIMO或FD-MIMO。在某些实施例中,收发机模块150可以包含发送电路165和接收电路170二者,其中发送电路165被配置为致使天线175从eNB105发送一个或多个信号,而接收电路170被配置为处理由天线175接收的信号。在其他实施例中,收发机模块150可以由彼此分离的发送电路165和接收电路170(未示出)代替。在一些实施例中,尽管没有示出,但是收发机模块150可以包括诸如通信模块137之类的包括接收电路170和发送电路165的通信模块。在一些实施例中,eNB105可以包括RRC电路115,其可以类似于RRC电路120。例如,如果eNB105是MeNB,则eNB105可以包括RRC电路115。在其他实施例中,例如,如果eNB105是SeNB,则eNB105可能不包括RRC电路115。
图2描述了网络200的示例,网络200可以类似于网络100并且包括具有RRC电路210的UE205,其中UE205和RRC电路210可以类似于UE110和RRC电路120。UE205可以与具有RRC电路220的MeNB215通信耦合,其中MeNB215和RRC电路220可以类似于eNB105和RRC电路115。具体来说,UE205和MeNB215可以经由无线电链路230被耦合,其中无线电链路230可以是Uu无线电链路或无线电承载。无线电链路230可以被称为MeNB-UE无线电链路。UE205还可以与SeNB225耦合,该SeNB225可以类似于eNB105。UE205可以经由无线电链路235与SeNB225耦合,其中无线电链路235可以是Uu无线电链路或无线电承载。无线电链路235可以被称为MeNB-UE无线电链路。无线电链路235可以被称为SeNB-UE无线电链路。SeNB225和MeNB215可以经由无线电链路240被耦合,其中无线电链路240可以是X2无线电链路或无线电承载。无线电链路240可以被称为MeNB-SeNB无线电链路。
如上所述,在一些情况下,UE205或MeNB215中的一者或两者可以被配置为监控MeNB-UE无线电链路230的质量。然而,在传统网络中,可能不具有用来监控SeNB-UE无线电链路235的质量的适当的机制。在本文中的网络200的实施例中,基于UE205向SeNB225报告的信道质量指示符(CQI),SeNB225可以被配置为监控SeNB-UE无线电链路235的质量。具体来说,SeNB225可以被配置为从UE205接收CQI值,并且将被报告的值与信道质量阈值比较。如果CQI值不满足信道质量阈值,则SeNB225可以通过MeNB-SeNB无线电链路240向MeNB215(特别是MeNB215的RRC电路220)发送关于SeNB-UE无线电链路235可能为较低或较差质量的指示。
图3描述了可以由SeNB225执行以监控SeNB-UE无线电链路235的信道质量的过程。起初,在300处,SeNB225可以从UE205接收信道质量参数。信道质量参数可以与SeNB-UE无线电链路235有关。信道质量参数可以是例如由UE205测量的一个或多个CQI值。在一些实施例中,信道质量参数可以是来自UE205的关于SeNB-UE无线电链路235的信道质量很差的指示,如下面将更加详细地描述的。
在一些实施例中,在305处,SeNB225可以选择性地将所接收的信道质量参数与信道质量阈值比较。具体来说,如果所接收的信道质量参数是CQI值,则SeNB225可以将所接收的CQI值与信道质量阈值比较。如果CQI值低于信道质量阈值,则SeNB225可以识别出SeNB-UE无线电链路235的信道质量较差。
然后,在310处,SeNB225可以向MeNB215,特别是MeNB215中的RRC电路220发送关于信道质量参数的指示。在一些实施例中,指示可以是CQI值本身。在一些实施例中,指示可以是SeNB225基于CQI值和阈值的比较得出的SeNB-UE无线电链路235的信道质量较差的识别结果。在一些实施例中,指示可以是来自UE205的、关于SeNB-UE无线电链路235的信道质量较差的指示,如下面将更加详细地描述的。例如,指示可以与UE205发起的一个或多个随机接入信道(RACH)过程有关。
在一些实施例中,MeNB215,特别是MeNB215中的RRC电路220可以被配置为识别出SeNB-UE无线电链路235具有相对较低或较差的质量。具体来说,MeNB215可以从SeNB225接收与SeNB-UE无线电链路235有关的一个或多个CQI值,并且将所接收的CQI值与信道质量阈值比较。如果所接收的CQI值低于信道质量阈值,则MeNB215,特别是RRC电路220可以识别出SeNB-UE无线电链路235具有相对较低或较差质量。在一些实施例中,所接收的下行链路(DL)CQI值可以经由X2接口在MeNB215和SeNB225共享。
图4描述了可以由MeNB(例如MeNB215,特别是MeNB215d的RRC电路220)执行的过程。如下所述,针对MeNB215对此过程进行了一般描述,但是在实施例中,MeNB215的RRC电路220或一些其他电路的处理器也可以执行图4的过程中的一个或多个元素。
最初,在400处,MeNB215可以接收关于与SeNB-UE无线电链路235有关的信道质量参数的指示。在实施例中,可以从SeNB225接收指示。在一些实施例中,该指示可以是由SeNB225发出的关于SeNB225识别出SeNB-UE无线电链路235的CQI值低于信道质量阈值的指示。在一些实施例中,该指示可以是关于UE205将SeNB-UE无线电链路235的信道质量识别较差的指示,如下面将更加详细地描述的。例如,指示可以与UE205发起的一个或多个RACH过程有关。在一些实施例中,指示可以是由UE205和/或SeNB225报告的一个或多个CQI值,并且可以包括如上所述的共享DLCQI值。
然后,在405处,MeNB215可以识别出SeNB-UE无线电链路235的信道质量低于信道质量阈值。在实施例中,此识别可以在SeNB225通知该SeNB225或UE205已经识别出SeNB-UE无线电链路235的信道质量较差的基础上被执行。在一些实施例中,识别可以基于MeNB215进行的、对所接收的CQI值或共享DLCQI值与信道质量阈值的比较。
基于识别出SeNB-UE无线电链路235的质量较差,MeNB可以在410处经由MeNB-UE无线电链路230向UE发送RRC命令。RRC命令可以是例如指示UE205从SeNB225解耦,改变SeNB-UE无线电链路235的一个或多个参数,与另一eNB(未示出)耦合的切换命令或一些其他命令。在一些实施例中,MeNB215可以向SeNB225发送类似的RRC命令。
在一些实施例中,UE205(特别是UE205的RRC电路210)可以被配置为识别SeNB-UE无线电链路235的质量较差。如下所述,处于简化的目的,这些过程和链路分析可以被描述为由UE205执行;然而在实施例中,各种过程和分析可以由RRC电路210或UE205的一些其他处理器、电路或模块执行。
在实施例中,UE205可以类似于UE205可以如何监控MeNB-UE无线电链路230的方式来监控SeNB-UE无线电链路235。例如,UE205可以使用一个或多个RLM参数来监控SeNB-UE无线电链路235。在一些实施例中,RLM参数可以不同于UE205可以用来监控MeNB-UE无线电链路230的RLM参数。另外,UE205可以使用一个或多个计时器来监控SeNB-UE无线电链路235,这些计时器可以不同于可被用于监控MeNB-UE无线电链路230的计时器。
例如,在一些实施例中,新的计时器可以被UE205用来监控SeNB-UE无线电链路235的信道质量。在一些实施例中,计时器可以被命名为“T310d”和“T311d”,并且可以基于常数“N310d”和“N311d”,尽管在其他实施例中计时器和/或常数具有不同的名称。在一些实施例中,与计时器和/或常数有关的参数或值可以由MeNB215通过信号传输在系统信息块类型2(SIB2)消息中。
在一些实施例中,UE205可以定期地测量SeNB-UE无线电链路235的一个或多个CQI参数。如果SeNB-UE无线电链路235的平均CQI值降到某阈值(其可以被称为Qout)以下,则UE205可以生成关于SeNB-UE无线电链路235的信道质量较差的指示。在一些实施例中,指示可以是关于UE205没有与SeNB225同步的指示。如果UE205生成一定数量(其可以等于N310d或者与之有关)的指示,则UE205可以启动计时器(其可以是计时器T310d或者与之有关)。
然后,如果SeNB-UE无线电链路235的宽带CQI值或者在一段时间内(诸如100毫秒(ms)或一些其他时间段)的平均宽带CQI值超过另一阈值(其可以被称为Qin),则可以生成关于SeNB-UE无线电链路235的信道质量是足够的指示。如果UE205生成一定数量(其可以等于常数N311d或者与之有关)的关于SeNB-UE无线电链路235的信道质量是足够的指令,则计时器T310d可以被停止并且无线电链路可以被视为已恢复。否则,当计时器T310d到期时,可以发起诸如T311d的第二计时器和一个或多个RACH过程。RACH过程可以包括例如向SeNB225发送切换请求以转发至MeNB。在一些实施例中,UE205可以向SeNB225发送关于SeNB-UE无线电链路235的信道质量低劣的指示以转发至MeNB215,并且MeNB215可以发起切换程序或者一些其他程序以改变SeNB-UE无线电链路235的参数,如上所述。
在一些实施例中,计时器T310d可以具有诸如0ms、50ms、100ms、200ms、500ms、1000ms、2000ms的值或者一些其他值。在一些实施例中,常数N310d可以具有诸如1、2、3、4、6、8、10、20的值或者一些其他值。在一些实施例中,计时器T311d可以具有诸如1000ms、3000ms、5000ms、10000ms、15000ms、20000ms、30000ms的值或者一些其他值。在一些实施例中,常数N311d可以具有诸如1、2、3、4、5、6、8、10的值或者一些其他值。这些计时器可以在SIB2的信息元素(IE)(其可以被称为“UE-d-TimerAndConstants”或一些其他名称)中被指定。
如上面所提到的,在一些实施例中,SeNB225和MeNB215的覆盖区域可能不同,从而与SeNB-UE无线电链路235有关的RLM参数,诸如计时器T310d或T311d或常数N310d或N311d可能不同于与MeNB-UE无线电链路230有关的RLM参数。例如,UE205可能需要能够从宏覆盖区域内的一个小小区移动至另一小小区。在这种情形中,计时器T310d和/或T311d具有较短的值可以帮助UE205更快地与第二小小区进行通信连接,这可以导致总体吞吐量的增大。
图5描述了可由UE205用以监控SeNB-UE无线电链路235的信道质量的过程。最初,在500处,UE205(或UE205的RRC电路210)可以生成与SeNB-UE无线电链路235有关的信道质量参数。如上面所提到的,信道质量参数可以是UE205关于SeNB-UE无线电链路235的信道质量较差的指示,并且可以基于上文所讨论的一个或多个RLM参数。在其他实施例中,信道质量参数可以与SeNB-UE无线电链路235的CQI值的测量结果有关。在一些实施例中,信道质量参数可以与RACH过程有关,并且可以例如是切换请求或者其他一些与SeNB-UE无线电链路235的信道质量有关的参数。
然后,在505处,UE205可以将信道质量参数发送至SeNB225。SeNB225然后可以将信道质量参数或关于信道质量参数的指示递送至MeNB215,MeNB215可以进而生成被发送至UE205的RRC命令。从而在510处,UE205可以通过MeNB-UE无线电链路230接收来自MeNB215的RRC命令。RRC命令可以与切换过程或者其他一些改变SeNB-UE无线电链路235的参数的过程有关。
本公开的实施例可以使用根据需要配置的任意适当的硬件和/或软件被实现在系统中。图6示意性地示出可以被用于实现本文所述的各种实施例的示例性系统600。对于一个实施例,图6示出示例性系统600,其具有一个或多个处理器605、被耦合到至少一个处理器605的系统控制模块610、被耦合到系统控制模块610的系统存储器615、被耦合到系统控制模块610的非易失性存储器(NVM)/存储设备620、以及被耦合到系统控制模块610的一个或多个通信接口625.
在一些实施例中,系统600能够充当如本文所述的UE110或205来运行。在其他实施例中,系统600能够充当如本文所述的eNB105、SeNB225和/或MeNB215来运行。在一些实施例中,系统600可以包括一个或多个具有指令的计算机可读介质(例如,系统存储器或NVM/存储设备620),以及与该一个或多个计算机可读介质耦合的一个或多个处理器(例如(一个或多个)处理器605),该处理器被配置为执行指令以实现用以执行本文所述的动作的模块。
对于一个实施例,系统控制模块610可以包括任意适当的接口控制器,以向(一个或多个)处理器605和/或与系统控制模块610通信的任意适当的设备或组件提供任何适当的接口。
系统控制模块610可包括存储器控制器模块630,以向系统存储器615提供接口。存储器控制器模块630可以是硬件模块、软件模块和/或固件模块。
系统存储器615可以被用于例如为系统600加载和存储数据和/或指令。对于一个实施例,系统存储器615可包括任意适当的易失性存储器,例如,适当的DRAM。在一些实施例中,系统存储器615可以包括双倍数据速率类型四同步动态随机存取存储器(DDR4SDRAM)。
对于一个实施例,系统控制模块610可以包括一个或多个输入/输出(I/O)控制器,以向NVM/存储设备620和(一个或多个)通信接口625提供接口。
例如,NVM/存储设备620可以被用于存储数据和/或指令。NVM/存储设备620可以包括任意适当的非易失性存储器(例如,闪速存储器)和/或可以包括任意适当的(一个或多个)非易失性存储设备(例如,一个或多个硬盘驱动器(HDD)、一个或多个光盘(CD)驱动器和/或一个或多个数字通用光盘(DVD)驱动器)。在一些实施例中,NVM/存储设备620可以与通信模块137耦合,并且通信模块137可以被配置为将诸如所接收的选择偏好规则或关于信道质量的指示存储在NVM/存储设备620中。
NVM/存储设备620可以包括在物理上作为系统600可以被安装在其上的设备的一部分的存储资源,或者其可被该设备访问而不必作为该设备的一部分。例如,NVM/存储设备620可以通过网络经由(一个或多个)通信接口625进行访问。
(一个或多个)通信接口625可以为系统600提供接口以通过一个或多个网络和/或与任意其他适当的设备进行通信。系统600可以根据一个或多个无线网络标准和/或协议中的任意标准和/或协议来与无线网络的一个或多个组件进行无线通信。在一些实施例中,(一个或多个)通信接口625可以包括收发机模块130或150。
对于一个实施例,(一个或多个)处理器605中的至少一个可以与系统控制模块610的一个或多个控制器(例如,存储器控制器模块630)的逻辑封装在一起。对于一个实施例,(一个或多个)处理器605中的至少一个可以与系统控制模块610的一个或多个控制器的逻辑封装在一起以形成系统级封装(SiP)。对于一个实施例,(一个或多个)处理器605中的至少一个可以与系统控制模块610的一个或多个控制器的逻辑集成在同一模具上。对于一个实施例,(一个或多个)处理器605中的至少一个可以与系统控制模块610的一个或多个控制器的逻辑集成在同一模具上以形成片上系统(SoC)。
在一些实施例中,(一个或多个)处理器605可以包括或耦合有一个或多个图形处理器(GPU)(未示出)、数字信号处理器(DSP)(未示出)、无线调制解调器(未示出)、数码相机或多媒体电路(未示出)、传感器电路(未示出)、显示器电路(未示出)、和/或全球定位卫星(GPS)电路(未示出)。
在各种实施例中,系统600可以但不限于是:服务器、工作站、台式计算设备或移动计算设备(例如,膝上型计算设备、手持计算设备、平板电脑、上网本、智能电话、游戏控制台等)。在各种实施例中,系统600可以具有更多或更少的组件和/或不同的架构。例如,在一些实施例中,系统600包括摄像机、键盘、液晶显示器(LCD)屏幕(包括触屏显示器)、非易失性存储器端口、多个天线、图形芯片、专用集成电路(ASIC)和扬声器中的一个或多个。
示例
示例1可以包括一种用户设备(UE),该用户设备包括:无线电资源控制(RRC)电路,该RRC电路生成关于与UE和辅演进节点B(SeNB)之间的第一无线电链路有关的信道质量参数的指示,其中UE经由第一无线电链路与SeNB通信耦合;以及与RRC电路耦合的发送电路,该发送电路向SeNB发送消息,其中该消息旨在为主eNB(MeNB)所用,其中UE在与第一无线电链路通信耦合的同时经由在UE和MeNB之间的第二无线电链路与MeNB通信耦合,并且该消息包括关于信道质量参数的指示。
示例2可以包括权利要求1所述的UE,其中SeNB具有第一小区覆盖区域并且MeNB具有至少部分地不同于第一小区覆盖区域的第二小区覆盖区域。
示例3可以包括权利要求1所述的UE,其中指示是基于与第一无线电链路有关的无线电链路监控(RLM)参数,并且该RLM参数不同于与第二无线电链路有关的RLM参数。
示例4可以包括权利要求1所述的UE,其中指示是基于与第一无线电链路有关的计时器,并且该计时器不同于与第二无线电链路有关的计时器。
示例5可以包括权利要求1-4中任何一项所述的UE,还包括与RRC电路耦合的接收电路,该接收电路通过第二无线电链路从第二eNB接收基于关于信道质量参数的指示的RRC消息。
示例6可以包括权利要求1-4中任何一项所述的UE,还包括与RRC电路耦合的非易失性存储器(NVM)。
示例7可以包括一种方法,该方法包括:由辅演进节点B(SeNB)从经由第一无线电链路与SeNB通信耦合的用户设备(UE)接收与第一无线电链路的质量有关的参数;以及由SeNB向主eNB(MeNB)发送关于参数的指示,其中UE在与第一无线电链路通信耦合的同时经由第二无线电链路与MeNB通信耦合。
示例8可以包括权利要求7所述的方法,其中SeNB具有第一小区覆盖区域,并且MeNB具有至少部分地不同于第一小区覆盖区域的第二小区覆盖区域。
示例9可以包括权利要求7或8所述的方法,其中参数是基于与第一无线电链路有关的第一计时器,并且第一计时器不同于与第二无线电链路有关的第二计时器。
示例10可以包括权利要求7或8所述的方法,其中参数是基于与第一无线电链路有关的第一无线电链路监控(RLM)参数,并且第一RLM参数不同于与第二无线电链路有关的第二RLM参数。
示例11可以包括权利要求7或8所述的方法,其中参数是由UE测量的信道质量指示符(CQI)值。
示例12可以包括权利要求11所述的方法,其中指示是基于SeNB对由UE测量的信道质量指示符(CQI)值和信道质量阈值进行的比较。
示例13可以包括权利要求11所述的方法,其中指示是由UE测量的CQI值。
示例14可以包括一种演进节点B(eNB),包括:接收电路,该接收电路从远程eNB接收关于与该远程eNB和用户设备(UE)之间的第一无线电链路有关的信道质量参数的指示,其中远程eNB和UE经由所述第一无线电链路进行通信耦合,同时UE还经由第二无线电链路与eNB通信耦合;以及与接收电路耦合的无线电资源控制(RRC)电路,该控制电路基于指示识别第一无线电链路的信道质量低于信道质量阈值。
示例15可以包括权利要求14所述的eNB,还包括与RRC电路耦合的发送电路,如果第一无线电链路的信道质量低于信道质量阈值,则发送电路经由第二无线电链路向UE发送切换命令。
示例16可以包括权利要求14或15所述的eNB,其中eNB是主eNB(MeNB),并且远程eNB是辅eNB(SeNB)。
示例17可以包括权利要求16所述的eNB,其中SeNB具有第一小区覆盖区域,并且MeNB具有至少部分地不同于第一小区覆盖区域的第二小区覆盖区域。
示例18可以包括权利要求14或15所述的eNB,其中信道质量参数是基于与第一无线电链路有关的第一计时器,并且第一计时器不同于与第二无线电链路有关的第二计时器,或者信道质量参数是基于与第一无线电链路有关的第一无线电链路监控(RLM)参数,并且第一RLM参数不同于与第二无线电链路有关的第二RLM参数。
示例19可以包括权利要求14或15所述的eNB,其中信道质量参数是由UE测量的信道质量指示符(CQI)值并且信道质量阈值是eNB的信道质量阈值。
示例20可以包括权利要求14或15所述的eNB,其中信道质量阈值是远程eNB的信道质量阈值,并且指示是基于eNB对由UE测量的信道质量指示符(CQI)值和信道质量阈值进行的比较。
示例21可以包括一种辅演进节点B(SeNB),包括:用于从经由第一无线电链路与SeNB通信耦合的用户设备(UE)接收关于与第一无线电链路的质量有关的参数的装置;以及用于向主eNB(MeNB)发送关于参数的指示的装置,其中UE在与第一无线电链路通信耦合的同时经由第二无线电链路与MeNB通信耦合。
示例22可以包括权利要求21所述的SeNB,其中SeNB具有第一小区覆盖区域并且MeNB具有至少部分地不同于第一小区覆盖区域的第二小区覆盖区域。
示例23可以包括权利要求21或22所述的SeNB,其中参数是基于与第一无线电链路有关的第一计时器,并且第一计时器不同于与第二无线电链路有关的计时器。
示例24可以包括权利要求21或22所述的SeNB,其中参数是基于与第一无线电链路有关的第一无线电链路监控(RLM)参数,并且第一RLM参数不同于与第二无线电链路有关的第二RLM参数。
示例25可以包括权利要求21或22所述的UE,其中参数是由UE测量的信道质量指示符(CQI)值。
示例26可以包括权利要求25所述的SeNB,其中指示是对由UE测量的信道质量指示符(CQI)值和信道质量阈值进行的比较。
示例27可以包括权利要求25所述的SeNB,其中指示是由UE测量的CQI值。
示例28可以包括一种或多种包括指令的非暂态计算机可读介质,该指令基于辅演进节点B(SeNB)的一个或多个处理器对其的执行,致使SeNB进行以下各项操作:从经由第一无线电链路与SeNB通信耦合的用户设备(UE)接收关于与第一无线电链路的质量有关的参数;以及向主eNB(MeNB)发送关于参数的指示,其中UE在与第一无线电链路通信耦合的同时经由第二无线电链路与MeNB通信耦合。
示例29可以包括权利要求28所述的一种或多种非暂态计算机可读介质,其中SeNB具有第一小区覆盖区域并且MeNB具有至少部分地不同于第一小区覆盖区域的第二小区覆盖区域。
示例30可以包括权利要求28或29所述的一种或多种非暂态计算机可读介质,其中参数是基于与第一无线电链路有关的第一计时器,并且第一计时器不同于与第二无线电链路有关的计时器。
示例31可以包括权利要求28或29所述的一种或多种非暂态计算机可读介质,其中参数是基于与第一无线电链路有关的第一无线电链路监控(RLM)参数,并且第一RLM参数不同于与第二无线电链路有关的第二RLM参数。
示例32可以包括权利要求28或29所述的一种或多种非暂态计算机可读介质,其中参数是由UE测量的信道质量指示符(CQI)值。
示例33可以包括权利要求32所述的一种或多种非暂态计算机可读介质,其中指示是对由UE测量的信道质量指示符(CQI)值和信道质量阈值进行的比较。
示例34可以包括权利要求32所述的一种或多种非暂态计算机可读介质,其中指示是由UE测量的CQI值。
示例35可以包括一种方法,包括:由主演进节点(MeNB)从辅演进节点B(SeNB)接收关于与SeNB和用户设备(UE)之间的第一无线电链路有关的信道质量参数的指示,其中SeNB和UE经由第一无线电链路进行通信耦合,同时UE还经由第二无线电链路与MeNB通信耦合;以及由MeNB基于指示识别第一无线电链路的信道质量低于信道质量阈值。
示例36可以包括权利要求35所述的方法,还包括如果第一无线电链路的信道质量低于信道质量阈值,则由MeNB经由第二无线电链路向UE发送切换命令。
示例37可以包括权利要求35或36所述的方法,其中SeNB具有第一小区覆盖区域,并且MeNB具有至少部分地不同于第一小区覆盖区域的第二小区覆盖区域。
示例38可以包括权利要求35或36所述的方法,其中信道质量参数是基于与第一无线电链路有关的第一计时器,并且第一计时器不同于与第二无线电链路有关的第二计时器,或者信道质量参数是基于与第一无线电链路有关的第一无线电链路监控(RLM)参数,并且第一RLM参数不同于与第二无线电链路有关的第二RLM参数。
示例39可以包括权利要求35或36所述的方法,其中信道质量参数是由UE测量的信道质量指示符(CQI)值并且信道质量阈值是MeNB的信道质量阈值。
示例40可以包括权利要求35或36所述的方法,其中信道质量阈值是SeNB的信道质量阈值,并且指示是基于SeNB对由UE测量的信道质量指示符(CQI)值和信道质量阈值进行的比较。
示例41可以包括一种主演进节点B(MeNB),包括:用于从辅演进节点B(SeNB)接收关于与SeNB和用户设备(UE)之间的第一无线电链路有关的信道质量参数的指示的装置,其中UE在经由第一无线电链路与SeNB通信耦合的同时还经由第二无线电链路与MeNB通信耦合;以及用于基于指示识别第一无线电链路的信道质量低于信道质量阈值的装置。
示例42可以包括权利要求41所述的MeNB,还包括用于在第一无线电链路的信道质量低于信道质量阈值的情况下,经由第二无线电链路向UE发送切换命令的装置。
示例43可以包括权利要求41或42所述的MeNB,其中SeNB具有第一小区覆盖区域,并且MeNB具有至少部分地不同于第一小区覆盖区域的第二小区覆盖区域。
示例44可以包括权利要求41或42所述的MeNB,其中信道质量参数是基于与第一无线电链路有关的第一计时器,并且第一计时器不同于与第二无线电链路有关的第二计时器,或者信道质量参数是基于与第一无线电链路有关的第一无线电链路监控(RLM)参数,并且第一RLM参数不同于与第二无线电链路有关的第二RLM参数。
示例45可以包括权利要求41或42所述的MeNB,其中信道质量参数是由UE测量的信道质量指示符(CQI)值并且信道质量阈值是MeNB的信道质量阈值。
示例46可以包括权利要求41或42所述的MeNB,其中信道质量阈值是SeNB的信道质量阈值,并且指示是基于SeNB对由UE测量的信道质量指示符(CQI)值和信道质量阈值进行的比较。
示例47可以包括一种或多种包括指令的非暂态计算机可读介质,该指令基于主演进节点B(MeNB)的一个或多个处理器对其的执行,致使MeNB执行以下各项操作:从辅演进节点B(SeNB)接收关于与SeNB和用户设备(UE)之间的第一无线电链路有关的信道质量参数的指示,其中SeNB和UE经由第一无线电链路进行通信耦合,同时UE还经由第二无线电链路与MeNB通信耦合;以及基于指示识别第一无线电链路的信道质量低于信道质量阈值。
示例48可以包括权利要求47所述的一种或多种非暂态计算机可读介质,还包括在第一无线电链路的信道质量低于信道质量阈值的情况下用以经由第二无线电链路向UE发送切换命令的指令。
示例49可以包括权利要求47或48所述的一种或多种非暂态计算机可读介质,其中SeNB具有第一小区覆盖区域,并且MeNB具有至少部分地不同于第一小区覆盖区域的第二小区覆盖区域。
示例50可以包括权利要求47或48所述的一种或多种非暂态计算机可读介质,其中信道质量参数是基于与第一无线电链路有关的第一计时器,并且第一计时器不同于与第二无线电链路有关的第二计时器,或者信道质量参数是基于与第一无线电链路有关的第一无线电链路监控(RLM)参数,并且第一RLM参数不同于与第二无线电链路有关的第二RLM参数。
示例51可以包括权利要求47或48所述的一种或多种非暂态计算机可读介质,其中信道质量参数是由UE测量的信道质量指示符(CQI)值并且信道质量阈值是MeNB的信道质量阈值。
示例52可以包括权利要求47或48所述的一种或多种非暂态计算机可读介质,其中信道质量阈值是SeNB的信道质量阈值,并且指示是基于SeNB对由UE测量的信道质量指示符(CQI)值和信道质量阈值进行的比较。
尽管本文出于描述的目的已经对某些实施例进行了说明和描述,但是本申请意图涵盖本文所讨论的实施例的任何改编或变体。因此,显然地,本文所描述的实施例仅意图由权利要求进行限制。
在本公开叙述“一个”或“第一”元素及其等同物的情况下,这样的公开包括一个或多个这类元素,既不要求也不排除两个或更多个这类元素。另外,针对所标识的元素的序数指示符(例如,第一、第二或第三)用于在这些元素之间进行区分,除非特别声明,否则它们不表明或暗示这类元素的所需或限制数量,也不表明这类元素的特定位置或顺序。

Claims (20)

1.一种用户设备(UE),包括:
无线电资源控制(RRC)电路,该RRC电路生成关于与所述UE和辅演进节点B(SeNB)之间的第一无线电链路有关的信道质量参数的指示,所述UE经由所述第一无线电链路与所述SeNB通信耦合;以及
与所述RRC电路耦合的发送电路,所述发送电路向所述SeNB发送消息,其中所述消息旨在为主eNB(MeNB)所用,其中所述UE在与所述第一无线电链路通信耦合的同时经由在所述UE和所述MeNB之间的第二无线电链路通信耦合,并且所述消息包括关于所述信道质量参数的指示。
2.根据权利要求1所述的UE,其中所述SeNB具有第一小区覆盖区域并且所述MeNB具有至少部分地不同于所述第一小区覆盖区域的第二小区覆盖区域。
3.根据权利要求1所述的UE,其中所述指示基于与所述第一无线电链路有关的无线电链路监控(RLM)参数,并且该RLM参数不同于与所述第二无线电链路有关的RLM参数。
4.根据权利要求1所述的UE,其中所述指示基于与所述第一无线电链路有关的计时器,并且该计时器不同于与所述第二无线电链路有关的计时器。
5.根据权利要求1-4中任一项所述的UE,还包括与所述RRC电路耦合的接收电路,所述接收电路通过所述第二无线电链路从第二eNB接收基于所述关于所述信道质量参数的指示的RRC消息。
6.根据权利要求1-4中任一项所述的UE,还包括与所述RRC电路耦合的非易失性存储器(NVM)。
7.一种方法,包括:
由辅演进节点B(SeNB)从经由第一无线电链路与所述SeNB通信耦合的用户设备(UE)接收与所述第一无线电链路的质量有关的参数;以及
由所述SeNB向主eNB(MeNB)发送关于所述参数的指示,其中所述UE在与所述第一无线电链路通信耦合的同时经由第二无线电链路与所述MeNB通信耦合。
8.根据权利要求7所述的方法,其中所述SeNB具有第一小区覆盖区域,并且所述MeNB具有至少部分地不同于所述第一小区覆盖区域的第二小区覆盖区域。
9.根据权利要求7或8所述的方法,其中所述参数基于与所述第一无线电链路有关的第一计时器,并且该第一计时器不同于与所述第二无线电链路有关的第二计时器。
10.根据权利要求7或8所述的方法,其中所述参数基于与所述第一无线电链路有关的第一无线电链路监控(RLM)参数,并且该第一RLM参数不同于与所述第二无线电链路有关的第二RLM参数。
11.根据权利要求7或8所述的方法,其中所述参数是由所述UE测量的信道质量指示符(CQI)值。
12.根据权利要求11所述的方法,其中所述指示基于所述SeNB对由所述UE测量的信道质量指示符(CQI)值和信道质量阈值进行的比较。
13.根据权利要求11所述的方法,其中所述指示是由所述UE测量的CQI值。
14.一种演进节点B(eNB),包括:
接收电路,该接收电路从远程eNB接收关于与所述远程eNB和用户设备(UE)之间的第一无线电链路有关的信道质量参数的指示,所述远程eNB和所述UE经由所述第一无线电链路通信耦合,同时所述UE还经由第二无线电链路与所述eNB通信耦合;以及
与所述接收电路耦合的无线电资源控制(RRC)电路,所述控制电路基于所述指示识别所述第一无线电链路的信道质量低于信道质量阈值。
15.根据权利要求14所述的eNB,还包括与所述RRC电路耦合的发送电路,如果所述第一无线电链路的信道质量低于所述信道质量阈值,则所述发送电路经由所述第二无线电链路向所述UE发送切换命令。
16.根据权利要求14或15所述的eNB,其中所述eNB是主eNB(MeNB),并且所述远程eNB是辅eNB(SeNB)。
17.根据权利要求16所述的eNB,其中所述SeNB具有第一小区覆盖区域,并且所述MeNB具有至少部分地不同于所述第一小区覆盖区域的第二小区覆盖区域。
18.根据权利要求14或15所述的eNB,其中所述信道质量参数基于与所述第一无线电链路有关的第一计时器,并且该第一计时器不同于与所述第二无线电链路有关的第二计时器,或者所述信道质量参数基于与所述第一无线电链路有关的第一无线电链路监控(RLM)参数,并且该第一RLM参数不同于与所述第二无线电链路有关的第二RLM参数。
19.根据权利要求14或15所述的eNB,其中所述信道质量参数是由所述UE测量的信道质量指示符(CQI)值并且所述信道质量阈值是所述eNB的信道质量阈值。
20.根据权利要求14或15所述的eNB,其中所述信道质量阈值是所述远程eNB的信道质量阈值,并且所述指示基于所述eNB对由所述UE测量的信道质量指示符(CQI)值和所述信道质量阈值进行的比较。
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