CN105519228B - 具有不同的基于用户设备速度的无线链路失败计时器的系统、方法和装置 - Google Patents

具有不同的基于用户设备速度的无线链路失败计时器的系统、方法和装置 Download PDF

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CN105519228B
CN105519228B CN201480047745.1A CN201480047745A CN105519228B CN 105519228 B CN105519228 B CN 105519228B CN 201480047745 A CN201480047745 A CN 201480047745A CN 105519228 B CN105519228 B CN 105519228B
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timer
radio link
link failure
speed
group
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CN105519228A (zh
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C·尤
D·W·阿利
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Apple Inc
Intel Corp
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Intel IP Corp
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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
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    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
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    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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    • G06F9/48—Program initiating; Program switching, e.g. by interrupt
    • G06F9/4806—Task transfer initiation or dispatching
    • G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
    • G06F9/485—Task life-cycle, e.g. stopping, restarting, resuming execution
    • G06F9/4856—Task life-cycle, e.g. stopping, restarting, resuming execution resumption being on a different machine, e.g. task migration, virtual machine migration
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Abstract

本本发明公开了一种调整无线链路失败计时器的操作时间的系统、方法和装置。用户设备(UE)可配置为与演进的统一陆地无线接入网络(E‑UTRAN)进行通信地耦接。所述UE根据自身的速度使用不同的无线链路失败计时器参数。所述无线链路失败计时器对于快速移动的UE可运行较长的时间，而对于缓慢移动的UE则可运行较短的时间。在本发明的实施例中，所述UE可通过缩放因子缩放所述无线链路失败计时器。在另一实施例中，所述UE可包括针对不同速度的多个无线链路失败计时器。每个速度的无线链路失败计时器参数可由E‑UTRAN在一对一的通信中规定。所述E‑UTRAN可基于UE的特征来确定对每个UE使用何种参数。

Description

具有不同的基于用户设备速度的无线链路失败计时器的系 统、方法和装置
相关申请
本申请权利要求主张2013年9月26日申请的61/883,127号美国临时专利申请案的优先权，所述申请案以全文引用的方式并入本文中。
技术领域
本发明公开了关于提供不同的基于用户设备速度的无线链路失败计时器的系统、方法和装置。
附图说明
图1是一个包括多个连接至无线接入网络并以多种速度移动的UE的系统示意图；
图2是在无线链路失败期间，针对不同RLF计时器速度的UE性能示意图；
图3A是一个配置为基于UE速度提供多个不同T310计时器的UE示意图；
图3B是一个配置为基于UE速度调整T310计时器速度的UE示意图；
图4是一个在T310计时器的速度下接收信息的方法的流程图；
图5是一个确定是否宣告无线链路失败的方法的流程图；
图6是一个能支持改良的T310计时器的UE示意图。
具体实施方式
无线移动通信技术使用多种标准和协议以在基站和无线通信设备之间传输数据。无线通信系统标准和协议可包括，例如，第三代合作伙伴项目(3GPP)长期演进计划(LTE)；电气和电子工程师协会(IEEE)802.16标准，在产业圈内俗称为全球微波互联接入(WiMAX)；以及IEEE802.11标准，在产业圈俗称为Wi-Fi。在LTE系统的3GPP无线接入网(RANs)中，基站可包括演进的统一陆地无线接入网络(E-UTRAN)节点B(也通常被定义为演进节点B、增强节点B、eNodeBs、或eNBs)和/或E-UTRAN中的无线网络控制器(RNCs)，该控制器与称为用户设备(UE)的无线通信设备通信。分组核心演进(EPC)可将E-UTRAN与外网，如因特网，通信耦接。
LTE网络包括无线接入技术和核心无线网络结构，其提供高数据速率、低延时、分组优化，并提升了系统容量和覆盖范围。在LTE网络中，E-UTRAN可包括多个eNodeBs并可与多个UE通信。UE可随着eNodeBs的信号强度变化(如：由UE移动引起的)从一个eNodeB切换至另一个。如果从eNodeB到当前连接的UE的信号质量下降至预定阈值以下，该UE可启动无线链路失败(RLF)计时器(如：T310计时器、恢复计时器、或诸如此类)。例如，如果信道质量指示器(CQI)少于阈值Qout，则产生一个不同步指示。如果接收到了超过指定数量的不同步指示，则可启动所述RLF计时器。如果所述CQI大于阈值Qin超过指定次数，则可停止所述RLF计时器。如果所述RLF计时器到期，则宣告RLF。RLF可在切换期间或没有切换发生时出现，但其普遍出现在切换期间。如果宣告RLF，所述UE可尝试与具有UE上下文的eNodeB建立连接，和/或进入空闲模式并启动一个新的连接过程。
所述多个UE可在与eNodeB有关的不同速度下行进。例如，某UE可能由静止的或步行的人携带，而另一个则由乘坐车辆或高速火车的人携带。所述UE经历的信道条件可能不同。对于快速移动的UE所述信道条件会快速变化，并且所述UE会快速将其远离任何开始降低信道的干扰源。如果有足够时间，所述UE能够在不宣告RLF的情况下恢复与eNodeB的无线连接。相比之下，所述缓慢移动的UE则不太可能从恶劣的信道条件中恢复。阴影和/或干扰源会在很长一段时间内降低UE的性能。所述UE可通过切换到另一个eNodeB来接收改善的信号。因此，缓慢移动的UE性能可通过较早地宣告RLF并重启连接建立过程来提升。
宣告RLF之前的期限时间可由每个UE进行调整以适应多种UE的不同速度。在一些实施例中，所述UE确定其移动的速度并相应地调整所述RLF计时器参数。所述RLF计时器的运行时间可针对快速移动的UE增加，对缓慢移动的UE则减少，和/或诸如此类。所述UE可预先确定针对多个速度的RLF计时器参数，并在RLF计时器需要启动时选择与当前速度对应的RLF计时器参数。备选地，只确定当前速度的RLF参数。所述UE可基于该UE的速度被归类为多个速度状态中的一个。所述速度状态可包括慢速、中速、和/或快速。可能会有2、3、4、5或更多种速度状态。与每个速度状态对应的速度可预先定义，和/或通过eNodeB传达至所述UE。
所述UE可根据确定应当在所述RLF计时器上使用多个缩放因子中的哪个来调整所述RLF计时器参数。引起RLF计时器较早地到期或不引起RLF计时器变化的缩放因子可用于缓慢移动的UE。不引起RLF计时器变化或引起RLF计时器较晚到期的缩放因子可用于快速移动的UE。在一个实施例中，小于1的缩放因子使得RLF计时器更慢地完成计时。所述UE可根据确定使用用于决定何时宣告RLF的多个RLF计时器中的哪个来调整所述RLF计时器参数。所述多个RLF计时器可配置为在到期之前运行不同的时间长度。所述多个RLF计时器可被全部启动，并且当确定是否宣告RLF时，只有与当前UE速度对应的RLF计时器可用于评估。备选地，只有与当前UE速度对应的RLF计时器可以被启动。在一个实施例中，长RLF计时器可用于快速移动的UE，并且短RLF计时器可用于缓慢移动的UE。
所述UE可从eNodeB接收所述RLF计时器参数。所述RLF参数可包括用于不同速度状态的缩放因子、所述T310计时器的运行时间、多个T310计时器的运行时间(如：长T310计时器和短T310计时器)、速度状态的切断、和/或诸如此类。在一个实施例中，所述eNodeB可确定所述UE的速度，并给所述UE发送基于UE速度确定的T310计时器的值。但是，所述eNodeB使用大量资源(如：存储资源、处理资源、通信资源等)来确定所有连接的UE的速度、跟踪速度、和发送更新的T310计时器值。通过只确定一次所述UE的速度节省资源，但是如果该UE改变速度则只能使用非最优的T310计时器值。在另一实施例中，所述eNodeB可在系统信息块(SIB)中广播一个高速计时器值和一个低速计时器值，所述UE则基于其测量的自身速度来确定使用哪个计时器值。然后，当系统信息块变长时，可能会出现大的通信资源惩罚。此外，所述eNodeB可能无法为单个UE定制计时器参数。
在一个替代实施例中，所述eNodeB可使用无线资源控制(RRC)消息(如：连接重配置消息)来给所述UE发送计时器参数。例如，一个SIB可包括未对速度做出说明的默认计时器参数，而所述RRC消息可进一步针对不同速度和/或所述UE的速度状态来定义所述计时器参数。所述RRC消息可在所述UE第一次附着于eNodeB后被发送。所述RRC消息可包含足够的信息来使所述UE能基于其自己确定的自身速度来确定使用何种RLF计时器参数。相应地，所述eNodeB则无需确定或跟踪UE速度或发送多个RRC消息。所述RRC消息可以是从所述eNodeB到所述UE的一对一通信中发送的单播的信息，并且其可只需被发送一次，因此很少的通信资源会被使用。此外，所述RLF计时器参数可针对所述UE进行定制。例如，所述UE可向所述eNodeB发送特征指示，如所述UE的识别信息。所述特征可包括所述UE的制造商、所述UE的样式、所述UE的设置、收发器的制造商、所述收发器的样式、所述收发器的设置、当第一次附着时的所述UE的初始速度、和/或诸如此类。所述eNodeB可基于接收到的指示确定所述RLF计时器参数。所述eNodeB可进一步基于其自己的已知特征(如：所述eNodeB在城区还是农村、存在遮挡物体、许多微微蜂窝小区或附近的其他蜂窝小区、许多以通常形式呈现的UE等)来确定所述RLF计时器参数。所述eNodeB针对不同的速度在预期的情况下尝试基于所述UE的预期性能优化所述RLF计时器。
图1是一个包含多个与eNodeB110通信耦接的UE120、130的系统100的示意图。所述UE120、130可以与eNodeB110有关的不同速度下移动。例如，第一UE120可被一个人所携带，因此移动的十分缓慢或根本没有移动。第二UE130可集成于一台车辆内并/或通过该车辆运送，因此其快速移动。所述第一和第二UE120、130会经历不同的信道特征。所述第一UE120会经历慢衰落。如果出现一个干扰源、阴影等，其仍会保持很长一段时间。所述第二UE130会经历快衰落。干扰源会快速进入和离开第二UE130的范围。因为所述UE120、130经历不同的信道条件，从恶劣信道条件中恢复需要不同的处理方式。
图2是在无线链路失败期间，针对不同RLF计时器速度的UE性能示意图200。在一个实施例中，所述UE可检测到所述CQI低于阈值Qout，并产生一个不同步指示。一旦产生了N310不同步指示，所述UE可启动所述T310计时器并尝试恢复无线链路。如果CQI大于阈值Qin则会产生一个同步指示，并且如果多个N311同步指示被接收，所述T310计时器会重置。如果所述无线链路在所述T310计时器到期之前没有恢复(如：没有多个N311同步指示被接收)，则宣告无线链路失败。一旦宣告了无线链路失败，所述UE会尝试重新建立连接和/或计入空闲模式。
一个缓慢移动的UE会经历持续很长一段时间的失效链路条件201。所述缓慢移动的UE需要与一个新的eNodeB建立链路以解决所述失效链路条件201。在长RLF计时器情形210中，所述缓慢移动的UE在能够与新的eNodeB建立连接之前需要等待很长一段时间来让RLF计时器到期。在短RLF计时器情形220中，所述缓慢移动的UE无需等待使RLF计时器到期的时长，并可较早地连接至新的eNodeB。所述UE在短RLF计时器情形中将花费更少的时间来断开连接并提供更好的用户体验。
一个快速移动的UE会经历持续短暂时间的失效链路条件202。如果有足够的时间允许所述失效链路条件202通过，所述快速移动的UE能够恢复其与当前eNodeB的连接。在长RLF计时器情形230中，所述快速移动的UE在所述失效链路条件202通过后会有充分的时间来恢复其与当前eNodeB的连接。在短RLF计时器情形240中，所述RLF计时器会在所述失效链路条件202通过之前和/或在连接恢复之前到期。所述UE在长RLF计时器情形中将恢复的更快并提供更好的用户体验。
如果长时间的失效链路条件201是最可能针对缓慢移动UE发生的失效链路条件种类，且短时间失效链路条件202是最可能针对快速移动UE发生的失效链路条件种类，那么当短计时器用于缓慢移动的UE且长计时器用于快速移动的UE一段时间后，所述UE的平均性能是最好的。对于许多UE，它们的速度随着时间以不可预知的方式变化。相应地，所述UE的速度可被测量来确定最有可能经历哪种链路条件，从而确定所述RLF计时器需要运作多长时间。
图3A是一个配置为基于UE速度提供多个不同T310计时器的UE300a的实施例的示意图。所述UE300a可包括配置为将所述UE300a通信耦接至eNodeB(未图示)的收发器302。所述收发器302可，尤其，实现所述UE在物理层和/或数据链路层中与所述eNodeB的通信。所述UE300a可进一步包括一个长T310计时器304和一个短T310计时器306。所述计时器304、306可数到指定的阈值和/或从一个指定的起始点倒数。当达到指定的阈值和/或倒数到0，所述计时器304、306会到期。每个计时器304、306的运行时间可以是动态可调的，这样所述UE300a能够根据所述UE300a连接的eNodeB来改变运行时间。例如，城区eNodeB会比农村eNodeB更期望不同的信道特征，这样所述UE300a可对不同的eNodeB使用不同的计时器长度。
所述UE300a可进一步包括速度测量单元308。所述速度测量单元308可估计所述300a行进有多快。所述速度测量单元308可基于穿过蜂窝小区的数量、尺寸、和/或位置，基于多普勒频移，基于卫星导航系统，和/或诸如此类来确定速度。可以预料的是，估算速度的方法会得到进一步的发展，并且任何此类方法可被速度测量单元308用来确定速度。任何单元都可被速度测量单元308用来表达所述速度，或者，所述速度测量单元308可将所述速度归类为属于多个速度状态中的一个。所述速度状态可基于一组阈值被定义，并通过将测量速度与该组阈值比较来确定适当的速度状态。
所述UE300a可包括无线资源控制器310，该控制器可为所述UE300a控制RLF分析和eNode之间的切换。所述无线资源控制器310可将UE300a的特征传输至eNodeB，并接收针对T310计时器304、306的返回参数。所述参数可以在RRC消息中被发送至所述无线资源控制器310。所述无线资源控制器310解析该RRC消息并基于所述接收到的参数配置T310计时器304、306。所述无线资源控制器310可从速度测量单元308接收所述UE300a的速度和/或速度状态，并基于该接收到的速度和/或速度状态来确定使用T310计时器304、306中的哪个。当检测到无线链路问题时，所述无线资源控制器310可启动一个或全部T310计时器304、306，并在适当的T310计时器304、306到期时宣告RLF。尽管所述收发器302、T310计时器304、306、速度测量单元308、和无线资源控制器310图示为独立单元，其功能可被组合进较少的单元中，和/或进一步在其他实施例中分成额外的单元。
图3B是一个配置为基于UE速度调整一个T310计时器的UE300b的替换实施例的示意图。所述UE300b可包括收发机302，其与所述UE300a的收发器302实质相似。此外，所述UE300a和300b的速度测量单元308实质相似。所述UE300b仅包括一个单独的T310计时器314，而不是具有两个T310计时器304、306。所述T310计时器314可通过缩放单元316来进行调整，以适配所述UE300b的多种速度。所述UE300b也可包括无线资源控制器320。所述无线资源控制器320可与无线资源控制器310相似，但所述无线资源控制器320控制所述T310计时器314和缩放单元316，而不是两个T310计时器304、306。
响应于给所述eNodeB发送特征信息，所述无线资源控制器320可接收针对一个或多个速度和/或速度状态的缩放单元参数。在一个实施例中，某速度状态可使用默认的缩放，这样只有其他速度状态需要缩放单元参数。所述无线资源控制器320可从速度测量单元308接收速度和/或速度状态，并基于所述速度和/或速度状态来命令所述缩放单元316使用特定的缩放因子。所述T310计时器314可计数直到指定的阈值和/或从一个指定的起始点倒数。所述缩放单元316可基于所述T310计时器314的设计进行配置。所述缩放因子可用于乘以指定的阈值、指定的起始点、T310计时器312的当前计数、和/或诸如此类。所述无线资源控制器320可确定所述缩放T310计时器何时到期，并在所述缩放T310计时器到期时宣告RLF。尽管所述收发器302、T310计时器314、缩放单元316、速度测量单元308、和无线资源控制器320图示为独立单元，其功能可被组合进较少的单元中，和/或进一步在其他实施例中分成额外的单元。
图4是一个在T310计时器的速度下接收信息的方法400的流程图。所述方法400以一个如被UE检测的eNodeB开始402。所述eNodeB可被检测为所述UE第一次启动的结果、标准切换过程的一部分、和/或诸如此类。所述UE请求404附着于所述检测到的eNodeB。例如，所述UE向所述检测到的eNodeB发送一个连接请求，和/或发送一个代表UE的切换请求。
在附着期间和/或之后，所述UE的特征可提供给所述eNodeB 406。例如，所述UE的识别信息(如：所述UE的制造商、所述UE的样式等)、所述UE的设置、收发器的制造商、收发器的样式、收发器的设置、所述UE的初始速度、和/或诸如此类可提供给所述eNodeB。所述eNodeB可请求其想要的信息，和/或一组预先设定的信息会被提供给所述eNodeB。基于提供的有关所述UE的信息和/或已知的有关所述eNodeB的信息，所述eNodeB可确定T310计时器参数。从所述eNodeB处可接收一个包含所述T310计时器参数的RRC消息408。例如，所述RRC消息可以是一个连接重配置消息。根据所述实施例和/或配置，所述T310参数可包括针对短计时器和长计时器的运行时间、针对不同速度的缩放因子、和/或诸如此类。所述T310计时器参数可包括速度划分和/或速度状态的定义，来指示针对每个UE速度应该使用哪个计时器和/或缩放因子。
所述T310计时器可基于从所述RRC消息中接收到的T310计时器参数来进行配置410。配置所述T310计时器参数410可包括配置所述T310计时器使用针对当前UE速度的参数来运行。所述UE速度可被持续监测，并且所述参数会随着所述UE速度的改变而更新。备选地，或作为补充地，所述T310计时器可根据所有接收到的参数进行配置，并且要使用的特定参数可在需要所述T310计时器时基于所述UE速度来确定。
图5是一个确定是否宣告无线链路失败的方法500的流程图。所述方法500以一个失效无线链路被检测到为开始502。检测到所述失效无线链路502可包括确定所述CQI是否低于阈值Qout，并生成一个不同步指示。检测到所述失效无线链路502可进一步包括确定多于指定数量的不同步指示被生成(如：多于由eNodeB规定的数量N310)。如果多于所述指定数量的不同步指示被生成，所述无线链路被确定为无效。否则，继续监测所述CQI。
在一个实施例中，响应所述失效无线链路被检测到502，所述UE速度可被确定504。备选地，或作为补充地，所述UE速度可被预先确定，并无需再次确定。确定所述UE速度504可包括检索持续更新的UE速度。所述UE速度可以是任何不同的单位，和/或所述UE速度可被指定为速度状态。例如，某实施例可包括快速和慢速的UE速度状态，而另一实施例则可包括快速、中速和慢速的UE速度状态。与每个速度状态对应的速度可由所述eNodeB规定、预先确定、通过标准定义、和/或诸如此类。所述T310计时器的参数可基于所述确定的UE速度504来选择506。选择所述参数506可包括确定使用多个T310计时器的哪个、确定针对所述T310计时器的缩放因子、确定针对所述T310计时器的运行时间、和/或诸如此类。在一些实施例中，针对所述T310计时器的参数可预先确定，例如，当用户速度预先被测量时。在这类实施例中，所述T310计时器参数无需重新选择506。
一旦所述T310计时器参数被选择并且所述T310计时器被配置，所述T310计时器可被启动508。所述T310计时器可从一个特定的起始点倒数、可数到特定的阈值、和/或诸如此类。所述T310计时器可继续运行只要接收到的同步指示少于指定数量。例如，每当所述CQI大于阈值Qin时则生成一个同步指示。如果接收到超过指定数量的同步指示，则假定所述无线链路被恢复。所述T310计时器可被停止和重设，直到检测到下一次失效无线链路502。如果所述无线链路没有被恢复，所述T310计时器则运行直到其到期。所述T310计时器可通过倒数到0或数到指定阈值的方式到期。如果所述T310计时器到期，则宣告无线链路失败510。响应于所述无线链路失败，所述UE可尝试重新建立与所述eNodeB的连接，和/或进入空闲模式并再一次启动连接过程。
图6是一个移动设备，诸如用户设备(UE)、移动站点(MS)、移动无线设备、移动通信设备、手写板、手机、或其它种类的无线通信设备的示例示意图。所述移动设备可包括一个或多个配置成与传输基站通信的天线，所述传输基站可以是诸如基站(BS)、eNB、基带单元(BBU)、远端射频头(RRH)、射频拉远设备(RRE)、中继站(RS)、无线电设备(RE)、或其它种类的无线广域网络(WWAN)接入点。所述移动设备可配置为使用至少一个无线通信标准进行通信，所述无线通信标准包括3GPP LTE、WiMAX、高速分组接入(HSPA)、蓝牙、和Wi-Fi。所述移动设备可针对每个无线通信标准使用独立的天线或针对多个无线通信标准使用共享的天线来通信。所述移动设备可在无线局域网(WLAN)、无线个人区域网(WPAN)、和/或无线广域网(WWAN)中通信。
图6还提供了麦克风和一个或多个用于从所述移动设备进行语音输入和输出的扬声器的示意图。所述显示屏可以是液晶显示屏(LCD)或其它种类的显示屏，诸如有机发光二极管(OLED)显示屏。所述显示屏可以配置为触摸屏。所述触摸屏可使用电容性的、电阻性、或其它种类的触摸屏技术。应用处理器和图形处理器可被耦合至内部存储器来提供处理和显示功能。一个非易失性的存储器端口可用于给用户提供数据输入/输出选择。所述非易失性的存储器端口也可用于扩展所述移动设备的存储能力。一个键盘可集成于所述移动设备或无线连接至所述移动设备来提供额外的用户输入。也可通过使用触摸屏来提供一个虚拟键盘。
示例
以下示例有关本发明的进一步的实施例的具体体现：
示例1是一个配置为与eUTRAN通信的UE。所述UE包括一个收发器和一个耦接至所述收发器的处理器。所述处理器配置为从所述eUTRAN接收单播的消息。所述消息包括针对一个T310计时器的参数，并指示用于不同UE速度的参数。所述处理器还配置为确定与所述eUTRAN的无线链路具有低于预定阈值的质量。所述处理器还配置为确定所述UE的当前速度。所述处理器还配置为给所述T310计时器配置针对所述UE当前速度的参数。所述处理器还配置为启动所述T310计时器。所述处理器还配置为在所述T310计时器到期时宣告无线链路失败。
示例2中，示例1的所述T310计时器的参数包括一个缩放因子。所述T310计时器乘以所述缩放因子来调整所述T310计时器的运行时间。
示例3中，示例1-2的任一所述，在所述UE的当前速度低于预定阈值时缩放因子使得所述T310计时器花费较少的时间到期。
示例4中，示例1-3的任一所述T310计时器的参数包括，一个短T310计时器和一个长T310计时器中的哪个用作所述T310计时器。
示例5中，示例1-4的任一所述处理器配置成在所述UE的当前速度小于预定阈值时，启动所述短计时器。
示例6中，示例1-5的任一所述处理器配置成通过生成预定数量的不同步指示来确定所述无线链路失效。
示例7中，示例1-6的任一所述UE，接收在RRC消息中的使用的何种T310计时器参数的指示。
示例8中，示例1-7的任一所述UE，包括发射机和接收机组件的收发器；多个天线，其中所述多个天线中的第一天线与所述发射机耦接，且所述多个天线中的第二天线与所述接收机耦接；一个显示触摸屏；以及一个键盘。
示例9是一种调整时间直到宣告无线链路失败的方法。所述方法包括以一对一消息的方式从基站接收配置信息。所述方法还包括确定移动用户设备的速度。所述方法还包括基于所述移动用户设备和所述配置信息来配置无线链路失败计时器。当所述移动用户设备在高速移动时的所述无线链路失败计时器长于所述移动用户设备在低速移动时的无线链路失败计时器。
示例10中，示例9的所述方法包括检测无线链路质量低于预定阈值。所述方法还包括响应于检测无线链路质量低于预定阈值来启动所述无线链路失败计时器。所述方法还包括在所述无线链路失败计时器到期时宣告无链路接失败。
示例11中，示例9-10的任一所述无线链路失败计时器配置包括确定一个长计时器和一个短计时器中的哪个用作所述无线链路失败计时器。
示例12中，示例9-11的任一所述无线链路失败计时器配置包括选择一个缩放因子来调整所述无线链路失败计时器的运行时间。
示例13中，示例9-12的任一所述确定用户设备的速度包括基于所述移动用户设备的速度将所述移动用户设备归类为多个状态中的一个。
示例14中，示例9-13的任一所述接收配置信息包括接收与多个状态中的一个或多个有关的配置信息。
示例15中，实施例9-14的任一所述方法包括向所述基站发送所述移动用户设备的特征指示。所述配置信息是由于所述基站基于所述特征指示来确定。
实施例16是一种调整时间直到宣告无线链路失败的装置。所述装置包括电路。所述电路配置成，为所述装置的每个速度状态访问恢复计时器的设置。在从基站发来的重配置信息中指示所述设置。所述电路还配置为确定所述设备的当前速度状态。所述电路还配置为当检测到信号质量衰落时，根据当前速度状态的设置来启动所述恢复计时器。
示例17中，示例16的所述电路还配置成响应所述恢复计时器到期而切换至空闲模式。
示例18中，示例16-17的任一所述恢复计时器设置包括针对每个速度状态的所述恢复计时器的缩放因子。
示例19中，示例16-18的任一所述缩放因子在所述当前速度状态为低速状态时，减少所述恢复计时器的运行时间。
示例20中，实施例16-19的任一所述恢复计时器设置包括，在低速状态下使用的短计时器的运行时间，和在高速状态下使用的长计时器的运行时间。
实施例21中，实施例16-20的任一所述电路配置成当检测到信号质量衰落时，启动所述短计时器和所述长计时器，以及基于当前速度状态确定所述短计时器的到期时间和所述长计时器的到期时间中的哪个会使得所述本地收发器宣告无线链路失败。
示例22中，示例16-21的任一所述电路配置成向所述基站提供识别信息，并且由所述基站基于所述识别信息来选择所述设置。
示例23是一种当与eUTRAN通信时调整时间直到宣告无线连接失败的方法。所述方法包括，在UE处，从eNB处接收一个一对一消息。所述消息还包括针对T310计时器的参数并指示针对不同UE速度所使用的参数。所述方法还包括确定，与所述eNB无线链路具有低于预定阈值的质量。所述方法还包括确定所述UE的当前速度。所述方法还包括针对所述UE的当前速度配置所述T310计时器的参数。所述方法还包括启动所述T310计时器。所述方法还包括在所述T310计时器到期时宣告无线链路失败。
示例24中，示例23的所述T310计时器参数包括一个缩放因子。配置所述T310计时器包括将所述T310计时器乘以所述缩放因子来调整所述T310计时器的运行时间。
示例25中，示例23-24的任一所述缩放因子在所述UE的当前速度小于预定阈值时，使得所述T310计时器花费较少的时间到期。
示例26中，示例23-25的任一所述T310计时器参数包括一个短计时器的运行时间和一个长计时器的运行时间。配置所述T310计时器包括确定所述长计时器和所述短计时器中的哪个用作所述T310计时器。
示例27中，示例23-26的任一所述确定所述长计时器和所述短计时器包括，在所述UE速度小于预定阈值时使用所述短计时器。
示例28中，示例23-27的任一所述确定与所述eNB无线链路具有低于预定阈值的质量包括，生成预定数量的不同步指示。
示例29中，示例23-28的任一所述接收一对一消息包括，接收RRC消息。
示例30中，示例23-29的任一所述确定所述UE的当前速度包括，基于所述UE的速度将UE归类为多个状态中的一个。
示例31中，示例23-30的任一所述接收的消息包括，针对所述T310计时器的参数包括接收与多个状态中的一个或多个有关的参数。
示例32中，示例23-31的任一所述方法包括向所述eNB发送所述UE的特征指示。针对所述T310计时器的所述参数由所述eNB基于所述特征指示来确定。
示例33中，实施例23-32的任一所述发送所述UE的特征指示包括，向所述eNB提供识别信息。所述eNB基于所述识别信息为所述T310计时器选择参数。
示例34中，示例23-33的任一所述方法包括响应于所述T310计时器到期而切换至空闲模式。
示例35中，示例23-34的任一所述启动T310计时器包括，当确定所述无线链路具有低于预定阈值质量时，启动所述短计时器和所述长计时器。配置所述T310计时器包括，基于当前状态确定所述短计时器的到期时间和所述长计时器的到期时间中的哪个会使得所述本地收发器宣告无线链路失败。
示例36是一种包括执行前述任一示例中的方法的设备的装置。
示例37是一种包括机器可读指令的机器可读存储，所述机器可读指令被执行时可执行前述任一示例中的方法或实现前述任一示例中的装置。
各种技术、或其某些方面、或其中的部分可以编程码(即指令)的形式体现在可触媒体中，例如软盘、CD-ROM、硬盘驱动器、永久的计算机可读存储介质、或任何其他的机器可读存储介质，其中，当所述编程码被载入机器并被该机器，例如计算机，执行时，所述机器变成实际运行所述各种技术的装置。在可编程计算机上运行所述编程码的情况下，所述计算装置可包括一个处理器、一个处理器可读的存储介质(包括易失性和非易失性内存和/或存储元件)、至少一个输入设备、和至少一个输出设备。所述易失性和非易失性内存和/或存储元件可以是RAM、EPROM、闪存驱动、光驱、硬磁盘驱动、和其他存储电子数据的介质。所述eNB(或其他基站)和UE(或其他移动站)还可包括收发器组件、计数组件、处理组件、和/或时钟组件或计时器组件。一个或多个实现或利用所述各种技术的程序可使用应用程序界面(API)、可重用控制等等。这种程序可通过高级编程语言或面向对象的编程语言实现，以与计算机系统通信。然而如果需要，所述程序可由汇编语言或机器语言来实现。在任何情况下，所述语言可以是编译语言或解释型语言，并与硬件实现方式相结合。
应当了解的是，本说明书中描述的许多功能性单元可以以一个或多个组件的形式来实现，该术语用于特别强调各单元的实现独立性。例如，某组件可作为一个硬件电路来实现，所述硬件电路包含定制的超大规模集成(VLSI)电路或门阵列、现成的半导体如逻辑芯片、晶体管、或其他分立元件。某组件也可在可编程硬件设备中实现，所述可编程硬件设备包括现场可编程门阵列、可编程阵列逻辑、可编程逻辑设备等等。
各组件还可在由各种处理器执行的软件中实现。例如，某可执行代码的标识组件可包含一个或多个计算机指令物理块或逻辑块，例如，所述计算机指令物理块或逻辑块可组成一个对象、步骤、或功能。然而，标识组件的可执行文件无需在物理上一起定位，但可包含存储在不同位置的不同指令，当可执行文件逻辑上组合在一起时，其构成所述组件并实现所述组件的宣称目标。
事实上，可执行代码的组件可以是一个单独的指令、或许多指令，并甚至可能分布于几个不同的代码段，不同的程序中，和交叉于几个内存设备中。同理，工作数据可在组件内进行识别和图示，且能体现在任何合适的形式中并由任何合适的数据结构类型组成。所述工作数据可作为一个单独的数据集被收集，或被分布于包括不同的存储设备的不同位置，并可能仅仅，至少部分地，作为电子信号出现在系统或网络上。包括可操作的执行预期功能的媒介，所述组件可以是无源的或有源的。。
本说明书中引用的“一个实施例”是指与所述实例有联系的特定特点、结构、或特征被包括在本发明中至少一个实施例中。因此，本说明书中多个地方出现的术语“在一个实施例中”并不一定关于同一个实施例。
为了方便起见，这里使用的多个项目、结构元件、组成元件、和/或材料可呈现在一个通用列表里。然而，这些列表应当被理解为所述列表的构件分别被认定为独一无二的构件。因此，这种列表中的单个构件不应仅仅基于其没有相反的指示且出现在共同群体中，而被理解为实际上相当于同一列表中的任何其他构件。此外，本发明的各种实施例和具现方式涉及到这里的多种组件的替代选择。应当了解的是，这种具现方式、实施例和替代选择不能被理解为实际上具现方式、实施例和替代选择的等同体，而应被认为是本发明独立自主的表现。
尽管为了清晰起见而在前面进行了相当详细地描述，在不脱离本发明的原理的情况下对其做出某些变化和修改是显而易见的。应当注意的是，这里描述的流程和装置可通过许多替代方式实现。相应地，本发明实施例被认为是示意性的而非限制性的，并且本发明并不仅限于这里给出的细节，其可在不脱离所附权利要求的范围和等同体内修改。
所属领域的技术人员能够理解在不脱离本发明潜在原理的情况下对上述实施例细节作出的许多改变。因此本申请的范围应当仅由如下权利要求确定。

Claims (28)

1.一种用户设备(UE)，配置成与演进的统一陆地无线接入网络(eUTRAN)通信，所述UE包括：
收发器；以及
耦接至所述收发器的处理器，所述处理器配置成：
从所述eUTRAN接收单播的消息，所述消息包括用于一组计时器的参数，并且所述消息指示针对不同UE速度要使用哪些参数；
确定与所述eUTRAN连接的无线链路具有低于预定阈值的质量；
用针对不同UE速度的参数来配置所述一组计时器，其中，当UE在高速下移动时，所述计时器被设定得比当UE在低速下移动时长；
启动所述一组计时器；
在启动所述一组计时器后，确定所述UE的当前速度；
基于所述UE的当前速度，从所述一组计时器中选择计时器；以及
在选定的计时器到期时，宣告无线链路失败。
2.根据权利要求1所述的UE，其中，用于所述一组计时器的参数包括缩放因子，并且其中，所述一组计时器乘以所述缩放因子来调整所述一组计时器的运行时间。
3.根据权利要求2所述的UE，其中，在所述UE的当前速度低于预定阈值时，所述缩放因子使得所述一组计时器花费较少的时间到期。
4.根据权利要求1所述的UE，其中，所述一组计时器包括：短计时器和长计时器。
5.根据权利要求4所述的UE，其中，所述处理器配置成：
在所述UE的当前速度小于预定阈值时，选择所述短计时器。
6.根据权利要求1所述的UE，其中，所述处理器配置成：
通过生成预定数量的不同步指示来确定所述无线链路不良。
7.根据权利要求1所述的UE，其中，所述UE在无线资源控制(RRC)消息中接收要使用哪个计时器参数的指示。
8.根据权利要求1所述的UE，还包括：
包括发射机和接收机组件的收发器；
多个天线，其中，所述多个天线中的第一天线与所述发射机耦接，且所述多个天线中的第二天线与所述接收机耦接；
显示触摸屏；以及
键盘。
9.一种调整距宣告无线链路失败的时间的方法，所述方法包括：
以一对一消息的方式从基站接收配置信息；
基于由所述配置信息指示的移动用户设备的一组速度，配置一组无线链路失败计时器，其中，当移动用户设备在高速下移动时，所述无线链路失败计时器被设定得比当移动用户设备在低速下移动时长；
检测无线链路质量低于预定阈值；
响应于检测到无线链路质量低于预定阈值，启动所述一组无线链路失败计时器；
在启动所述一组无线链路失败计时器后，确定移动用户设备的当前速度；
基于所述移动用户设备的当前速度，从所述一组无线链路失败计时器中选择计时器；以及
在所述无线链路失败计时器到期时，宣告无线链路失败。
10.根据权利要求9所述的方法，其中，所述一组无线链路失败计时器包括长计时器和短计时器。
11.根据权利要求9所述的方法，其中，配置无线链路失败计时器包括：
选择缩放因子来调整所述一组无线链路失败计时器的运行时间。
12.根据权利要求9所述的方法，其中，确定移动用户设备的当前速度包括：
基于所述移动用户设备的当前速度，将所述移动用户设备归类为多个状态中的一个。
13.根据权利要求12所述的方法，其中，接收配置信息包括：
接收与所述多个状态中的一个或多个有关的配置信息。
14.根据权利要求13所述的方法，还包括：
向所述基站发送所述移动用户设备的特征指示，
其中，所述配置信息由所述基站基于所述特征指示来确定。
15.一种调整距宣告无线链路失败的时间的装置，所述装置包含电路，所述电路配置成：
为所述装置的多个速度状态中的每个访问用于恢复计时器的设置，其中，在来自基站的重配置信息中指示所述设置；
当检测到信号质量衰落时，根据用于所述多个速度状态的设置启动一组恢复计时器；
在启动所述一组恢复计时器后，确定所述装置的当前速度状态；
至少部分地基于所述装置的当前速度状态，从所述一组恢复计时器中选择恢复计时器；以及
确定选定的恢复计时器是否指示无线链路失败。
16.根据权利要求15所述的装置，其中，所述电路还配置成：
响应于所述恢复计时器到期而切换至空闲模式。
17.根据权利要求15所述的装置，其中，所述恢复计时器的设置包括针对所述多个速度状态中的每个速度状态的缩放因子。
18.根据权利要求17所述的装置，其中，所述缩放因子对于低速状态减少所述恢复计时器的运行时间。
19.根据权利要求15所述的装置，其中，所述恢复计时器的设置包括，在低速状态下使用的短计时器的运行时间，和在高速状态下使用的长计时器的运行时间。
20.根据权利要求19所述的装置，其中，所述电路配置成：
当检测到信号质量衰落时，启动所述短计时器和所述长计时器；以及
基于当前速度状态，确定所述短计时器的到期和所述长计时器的到期中的哪个会使得本地收发器宣告无线链路失败。
21.根据权利要求15所述的装置，其中，所述电路配置成：
向所述基站提供识别信息，
并且其中，由所述基站基于所述识别信息来选择所述设置。
22.一种机器可读存储介质，存储有指令，所述指令当被机器执行时，使所述机器执行如权利要求9-14中任一项所述的方法。
23.一种调整距宣告无线链路失败的时间的装置，所述装置包括：
用于以一对一消息的方式从基站接收配置信息的模块；
用于基于由所述配置信息指示的移动用户设备的一组速度，配置一组无线链路失败计时器的模块，其中，当移动用户设备在高速下移动时，所述无线链路失败计时器被设定得比当移动用户设备在低速下移动时长；
用于检测无线链路质量低于预定阈值的模块；
用于响应于检测到无线链路质量低于预定阈值，启动所述一组无线链路失败计时器的模块；
用于在启动所述一组无线链路失败计时器后，确定移动用户设备的当前速度的模块；
用于基于所述移动用户设备的当前速度，从所述一组无线链路失败计时器中选择计时器的模块；以及
用于在所述无线链路失败计时器到期时，宣告无线链路失败的模块。
24.根据权利要求23所述的装置，其中，所述一组无线链路失败计时器包括长计时器和短计时器。
25.根据权利要求23所述的装置，其中，用于配置无线链路失败计时器的模块包括：
用于选择缩放因子来调整所述一组无线链路失败计时器的运行时间的模块。
26.根据权利要求23所述的装置，其中，用于确定移动用户设备的当前速度的模块包括：
用于基于所述移动用户设备的当前速度，将所述移动用户设备归类为多个状态中的一个的模块。
27.根据权利要求26所述的装置，其中，用于接收配置信息的模块包括：
用于接收与所述多个状态中的一个或多个有关的配置信息的模块。
28.根据权利要求27所述的装置，还包括：
用于向所述基站发送所述移动用户设备的特征指示的模块，
其中，所述配置信息由所述基站基于所述特征指示来确定。
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