CN104081684A - 基于信道状态信息参考信号的协作式多点配置 - Google Patents

基于信道状态信息参考信号的协作式多点配置 Download PDF

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CN104081684A
CN104081684A CN201380006657.2A CN201380006657A CN104081684A CN 104081684 A CN104081684 A CN 104081684A CN 201380006657 A CN201380006657 A CN 201380006657A CN 104081684 A CN104081684 A CN 104081684A
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CN104081684B (zh
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A·达维多夫
G·莫罗佐夫
A·马尔采夫
I·博洛京
V·谢尔盖耶夫
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Apple Inc
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Intel Corp
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Abstract

本公开内容的实施例描述了用于配置针对网络设备的协作式多点(CoMP)的设备、方法、计算机可读介质和系统配置。在各个实施例中，CoMP的配置可以基于信道状态信息参考信号。可以描述和/或要求保护其它实施例。

Description

基于信道状态信息参考信号的协作式多点配置
相关申请的交叉引用
本申请要求享有于2012年6月27日递交的、标题为“COORDINATEDMULTIPOINT CONFIGURATION BASED ON CHANNEL STATEINFORMATION REFERENCE SIGNALS”的美国专利申请No.13/534,313以及于2012年1月27日递交的、标题为“ADVANCED WIRELESSCOMMUNICATION SYSTEMS AND TECHNIQUES”的美国临时专利申请No.61/591,641的优先权，故以引用方式将这两个申请的全部公开内容并入本文。
技术领域
概括地说，本发明的实施例涉及通信领域，更具体地说，涉及无线通信网络中基于信道状态干扰参考信号的协作式多点服务配置。
背景技术
已经开发了协作式多点(CoMP)系统，以便改进无线网络中的各种操作参数。CoMP测量集合是由用户设备(UE)提供的信道状态信息反馈所针对的节点的集合。CoMP测量集合的配置涉及对与CoMP资源管理集合的节点相关的传输参数的评估，该CoMP资源管理集合包括可用于协调传输的所有可能的节点。然后，将基于各种准则从CoMP资源管理集合中选择CoMP测量集合。CoMP测量集合的适当配置将减少由于CoMP系统内用于边际效用的节点的不必要的CSI反馈信息而导致的来自UE的上行链路开销。
附图说明
结合附图通过以下的详细描述将容易地理解实施例。为了便于该描述，相同的附图标记表示相同的结构单元。在附图中的图中，通过示例的方式而不是通过限制性的方式示出了实施例。
图1示意性地示出了根据各个实施例的无线通信网络。
图2示意性地示出了根据各个实施例的用户设备和增强型节点基站。
图3示意性地示出了根据各个实施例的物理资源块。
图4是示出了根据各个实施例的一种操作方法的流程图。
图5是示出了根据各个实施例的另一种操作方法的流程图。
图6示意性地描绘了根据各个实施例的示例性系统。
具体实施方式
本公开内容的说明性的实施例包括但不限于，用于基于信道状态干扰参考信号的协作式多点服务配置的方法、系统和装置。
将使用本领域技术人员通常所使用的术语来对说明性的实施例的各个方面进行描述，以便将它们的工作实质传达给本领域其他技术人员。然而，对于本领域技术人员将显而易见的是，可以仅使用所描述的方面中的某些来实施替代实施例。出于解释的目的，阐述了具体的数字、材料和配置，以便提供对说明性实施例的彻底理解。然而，对于本领域技术人员将显而易见的是，可以在不用这些具体细节而实践替代的实施例。在其它实例中，省略或简化了公知的特征以免模糊说明性的实施例。
此外，各种操作将以最有助于理解说明性的实施例的方式按顺序被描述为多个分立的操作；然而，描述的顺序不应当被解释为暗示这些操作必然是顺序依赖的。具体地说，不需要按呈现的顺序来执行这些操作。
短语“在一些实施例中”被反复使用。该短语一般不指代相同的实施例，然而，它可以指代相同的实施例。术语“包括”、“具有”和“包含”是同义的，除非上下文另有规定。
除非上下文另有规定，短语“A或B”、“A和/或B”和“A/B”都表示(A)、(B)或(A和B)。
如本文所使用的，术语“电路”可以是指以下各项的一部分或者包括以下各项：专用集成电路(ASIC)、处理器(共享的、专用的或组)和/或存储器(共享的、专用的或组)、组合逻辑电路、或提供所描述的功能的其它电子电路。在各个实施例中，电路可以执行在一个或多个计算机可读介质中存储的指令，以提供所描述的功能。
图1示意性地示出了根据各个实施例的无线通信网络100。无线通信网络100(此后称为“网络100”)可以是第3代合作伙伴计划(3GPP)长期演进(LTE)网络的接入网，例如演进型通用移动电信系统(UMTS)陆地无线接入网络(E-UTRAN)。网络100可以包括被配置为与用户设备(UE)108进行无线地通信的基站(例如，演进型节点B(eNB)104)。
至少初始地，eNB 104可以具有与UE 108已建立的无线连接，并且可以作为用于与UE 108的协作式多点(CoMP)通信的服务节点来进行操作。eNB 104可以包括一个或多个通信点112a-112c，该一个或多个通信点112a-112c向网络100的个别的小区116a-116c提供服务。例如，通信点112a可以覆盖第一小区116a，通信点112b可以覆盖第二小区116b，而通信点112c可以覆盖第三小区116c。在其它实施例中，eNB 104可以包括其它数量的通信点和/或可以覆盖其它数量的小区。例如，eNB 104可以仅包括一个通信点和/或可以仅覆盖一个小区。举另一个例子，eNB 104可以包括三个以上的通信点和/或可能覆盖三个以上的小区。
网络100还可以包括一个或多个附加的通信点112d-112o。通信点112d-112o可以是远程无线电头端(RRH)(也被称为远程无线电设备(RRE))和/或基站(例如，eNB)。在一些实施例中，通信点112d-112o可以以比基站104低的功率进行发送。如所示出的，通信点112d-112o可以位于小区116a-116c中和/或与小区116a-116c相关联。在一些实施例中，可以放置低功率节点使得其覆盖区域部分地与小区116a-116c的覆盖区域相重叠，但可以不被完全地包括到这些相应的小区中。
通信点112d-112o可以被配置为通过与eNB 104的协调来促进与UE108的无线通信。通信点112a-112c连同一个或多个附加的通信点112d-112o可以统称为CoMP群集120。通信点112a-112o可以通过无线连接和/或有线连接(例如，高速光纤回程连接)相互通信。
如图2中所示出的，UE 108可以包括至少如所示出的相互耦合的射频(RF)收发机电路220、测量电路224和反馈电路228。RF收发机电路220还可以与UE 108的一个或多个天线232相耦合。RF收发机电路220可以执行各种RF信号处理(例如滤波、调制/解调、编码/解码、放大等)，以便经由一个或多个天线232在网络100上传送(例如，发送/接收)RF信号。
如图2中进一步所示出的，eNB 104可以包括至少如所示出的相互耦合的RF收发机电路236、测量反馈电路244和CoMP控制电路248。RF收发机电路236还可以与eNB 104的一个或多个天线252相耦合。RF收发机电路236可以执行各种RF信号处理(例如滤波、调制/解调、编码/解码、放大等)，以便经由一个或多个天线252在网络100上传送(例如，发送/接收)RF信号。
天线252中的一个或多个可以与个别的通信点112a-112c相关联(例如，专用于个别的小区116a-116c内的通信)。替代地或附加地，天线252中的一个或多个可以在一个或多个小区116a-116c中通信之间交替。
在一些实施例中，通信点112d-112o中的一个或多个可以具有与eNB104类似的模块/组件。
CoMP控制电路248可以与通信点112a-112o通信，以便管理/协调针对CoMP群集120的边界内的UE的CoMP服务。通信点112a-112o可以包括CoMP资源管理集合(CRMS)，该CoMP资源管理集合(CRMS)包括可以潜在地合作以向特定UE(例如，UE 108)提供服务的所有的通信点。在一些实施例中，仅特定小区的通信点可以被认为是CRMS。
可以例如由eNB 104的CoMP控制电路248从CRMS中选择CoMP测量集合(CMS)。CMS可以包括UE 108可针对其提供信道状态信息(CSI)反馈的通信点。
CoMP测量集合的配置可以基于对UE与CRMS中的每个通信点之间的路径增益的测量。然后，可以为CMS选择与最强的路径增益相关联的通信点。可以由测量CSI参考信号(RS)资源的UE执行对路径增益的测量，以便确定CSI-RS的传输参数。可以替代地由通信点使用UE所发送的参考信号来测量路径增益。
虽然路径增益测量可以提供用于配置CMS的一些有用的信息，但是它们并不包含关于UE 108相对于CoMP群集120的边界的位置的信息。因此，在路径增益测量中未考虑由CoMP群集120外部的通信点产生的干扰。基于这样的测量的CMS的配置可能会导致无效的或不希望的CoMP服务。
本文所描述的实施例包括基于对CSI-RS的测量来确定边界度量(boundary metric)的测量电路224。边界度量可以指示UE 108到CoMP群集120的边界的邻近度。反馈电路228可以将边界度量反馈回测量反馈电路244。然后，CoMP控制电路248可以确定针对UE 108的CoMP服务配置。CoMP服务配置的确定可以包括启用/禁用针对UE 108的CoMP服务、启用/禁用CoMP群集间协调、选择将包括在CMS中的通信点等。
虽然所描述的实施例讨论了如在UE 108上确定边界度量的测量电路224，但是其它实施例可以包括：在通信点中的一个或多个上的、基于对由UE发送的CSI-RS的测量来确定边界度量的测量电路。
在一些实施例中，边界度量可以是参考信号接收质量(RSRQ)值。与可在切换场景中使用的RSRQ值(其是在宽带公共参考信号(CRS)上进行测量的)相反，本文所描述的边界RSRQ值可以是在窄带CSI-RS上进行测量的。具体地，边界RSRQ值可以被定义为参考信号接收功率(RSRP)值与接收强度信号指示符(RSSI)值之比。RSRP值可以是对来自CSI-RS的功率的测量，其中使用信道估计方案来估计并去除CSI-RS资源信道的噪声。RSSI值可以是整体功率(包括CSI-RS和噪声)的测量。
在其它实施例中，其它基于CSI-RS的边界度量可以与RSRQ值结合使用或者代替RSRQ值。例如，在一些实施例中，信号与干扰加噪声比(SINR)值可以是边界度量。如本文所描述的SINR值可以是如上文所描述的RSRP值与噪声值之比，所述噪声值与从CoMP群集120外部的通信点产生的噪声相对应。在一些实施例中，可以在静默的CSI-RS资源上测量在CoMP群集120外部产生的噪声，如下文参照图3所说明的。
图3示意性地示出了根据各个实施例的不同的通信点的物理资源块(PRB)对。具体地说，PRB对304与第一通信点相对应，PRB对312与第二通信点相对应，而PRB对320与第三通信点相对应，尽管本发明的范围并不受限于该方面，并且在其它实施例中，可以由更多或更少的通信点分别使用更多或更少的PRB对。PRB对示出为具有：在顶部被编号(0-13)的正交频分复用(OFDM)符号，以及沿着侧边向下被编号(1-12)的子载波。每个PRB对可以包括：与前7个OFDM符号相对应的第一PRB，以及与后7个OFDM符号相对应的第二PRB。单个OFDM符号和子载波可以被称为资源单元。
PRB对可以包括由小区的各个通信点发送的一个或多个CSI-RS，除了其它信息(例如，其它信道状态信息)之外，UE可以使用该一个或多个CSI-RS来确定边界度量。例如，PRB对304可以包括被布置在第一子载波和第七子载波的第九个和第十个OFDM符号中的CSI-RS 326；PRB对312可以包括被布置在第二子载波和第八子载波的第九个和第十个OFDM符号中的CSI-RS 328；以及PRB对320可以包括被布置在第三子载波和第九子载波的第九个和第十个OFDM符号中的CSI-RS 332。
在一些实施例中，CSI-RS 326可以由第一通信点发送；CSI-RS 330可以由第二通信点发送，而CSI-RS 334可以由第三通信点发送。在一些实施例中，第一通信点、第二通信点和第三通信点可以位于一个小区(例如小区116a)中。例如，第一通信点可以与通信点112a相对应，第二通信点可以与通信点112d相对应，而第三通信点可以与通信点112e相对应。
PRB对可以具有与由其它通信点发送的CSI-RS相对应的物理下行链路共享信道(PDSCH)静默资源336。例如，PRB对304可以在第二、第三、第八和第九子载波的第九个和第十个OFDM符号上具有PDSCH静默资源336；PRB对312可以在第一、第三、第七和第九子载波的第九个和第十个OFDM符号上具有PDSCH静默资源336；等等。
PRB对还可以在其它资源处包括PDSCH静默资源336，以便允许UE(例如，UE 108)测量在CoMP群集120外部产生的噪声。例如，每个PRB对可以在第三和第九子载波的第五个和第六个OFDM符号上包括PDSCH静默资源336。这可以允许UE 108测量在CoMP群集120外部产生的噪声，其可以用于确定如上文所描述的SINR值。
图4示出了根据各个实施例的用于管理与UE(例如，UE 108)的CoMP通信的方法400。方法400可以由eNB(例如eNB 104)执行。在一些实施例中，eNB可以包括一个或多个计算机可读介质和/或具有对一个或多个计算机可读介质的访问，所述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使eNB执行方法400。
在404处，方法400可以包括：向UE发送一个或多个CSI-RS。CSI-RS可以由eNB和/或CMS的一个或多个其它通信点进行发送。CSI-RS可以用作由UE进行的测量的基础，以便确定边界度量。在一些实施例中，测量可以是对在多个PRB对上发送的CSI-RS的长期测量。如本文所使用的，长期测量可以是在数个(例如，20个)RF帧上测量的测量结果。RSRQ、RSSI和RSRP可以是基于长期测量。
在一些实施例中，在404处发送CSI-RS之前，eNB可以向UE提供用于标识CSI-RS资源和/或CMS的通信点的各种配置参数。在各个实施例中，可以提供这些配置参数作为无线资源控制(RRC)配置或方法400的较早实例化的一部分。
在408处，方法400可以包括：从UE接收一个或多个边界度量。在一些实施例中，边界度量可以由eNB的测量反馈电路(例如，测量反馈电路244)进行接收。如上文所讨论的，边界度量可以是RSRQ和/或SINR值，并且可以指示UE到CoMP群集的边界的邻近度。
在一些实施例中，可以向测量反馈电路提供与CMS的个别的通信点相对应的个别的边界度量。在一些实施例中，UE可以反馈复合边界度量，复合边界度量是基于由UE测量的多个个别的边界度量。复合边界度量可以是多个个别的边界度量的聚合、平均或某种其它测量值。
在412处，方法400可包括：确定CoMP服务配置。在一些实施例中，CoMP服务配置可以由eNB的CoMP控制电路(例如，CoMP控制电路248)来确定。CoMP控制电路可以将所报告的边界度量中的每一个与预先确定的阈值相比较，并且基于该比较来作出CoMP服务配置确定。例如，CoMP控制电路可以接收与CMS中的通信点相对应的RSRQ值。可以将这些RSRQ值与预先确定的RSRQ阈值(例如，大约-6分贝(dB))相比较。如果RSRQ值中的全部(或者某个其它预先确定的部分)低于预先确定的RSRQ阈值，则可以确定UE可能位于或靠近CoMP群集的边界。因此，可以禁用针对UE的CoMP服务(或替代地，可以启用CoMP群集间协调(如果适用的话))。
在其中CoMP控制电路接收与CMS中的通信点相对应的SINR值作为边界度量的实施例中，可以将SINR值与预先确定的SINR阈值(例如，在约0～-3dB之间)相比较。以类似于上文的方式，如果确定SINR值中的全部(或者某个其它预先确定的部分)低于预先确定的SINR阈值，则可以确定UE可能位于或靠近CoMP群集的边界。因此，可以禁用针对UE的CoMP服务(或替代地，可以启用COMP群集间协调(如果适用的话))。
在确定启用针对UE的CoMP服务的情况下，CoMP控制电路还可以确定CRMS的哪些通信点要被包括在CMS中。该确定可以基于边界度量和/或来自UE和/或其它通信点的其它反馈。在一些实施例中，对要包括在CMS中的通信点的选择可以是特定用于UE的。也就是说，每一个UE可以与它自己的CMS相关联。在一些实施例中，可以确定：与位于更中心的UE相比，边界UE应当具有减小的CMS(即，更少的通信节点应当协调它们的传输)，或者反之亦然。
在416处，方法400可以包括：向UE发送对CoMP服务配置的指示。该指示可以指示是否启用或者禁用CoMP服务或CoMP群集间协调。如果启用CoMP服务，则该指示还可以指示哪些通信点被包括在CMS中和/或要监视哪些CSI-RS资源。CMS的通信点可以与报告的边界度量所针对的通信点相同或不同。
图5示出了可以由UE(例如，UE 108)执行以便协助eNB(例如，eNB104)管理与UE的CoMP通信的方法500。在一些实施例中，UE可以包括一个或多个计算机可读介质和/或具有对一个或多个计算机可读介质的访问，所述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使UE执行方法500。
在504处，方法500可以包括：接收一个或多个CSI-RS。可以从CoMP控制电路位于其中的eNB和/或在一个或多个其它通信点中接收CSI-RS。
在一些实施例中，在于504处接收CSI-RS之前，UE可以从eNB接收各种配置参数，所述各种配置参数标识CSI-RS资源和/或CMS的通信点。在各个实施例中，可以提供这些配置参数作为RRC配置或方法500的较早实例化的一部分。
在508处，方法500可以包括：确定一个或多个边界度量。可以基于对在504处接收的一个或多个CSI-RS的测量来确定边界度量。测量可以由UE的测量电路(例如，测量电路224)来执行。边界度量可以是RSRQ和/或SINR值，并且可以是基于来自如上文所描述的一个或多个通信点的一个或多个CSI-RS。
在512处，方法500可以包括：发送一个或多个边界度量。发送边界度量可以由UE的反馈电路(例如，反馈电路228)来执行。在各个实施例中，该发送可以作为定期报告或基于事件的报告的一部分来执行。
一旦反馈电路检测到事件(例如，边界度量高于预先确定的值，或者边界度量在离参考边界度量的预先确定的范围内(例如，边界度量具有最高的质量))，就可以触发基于事件的报告。这些事件可以指示或至少表明，UE正在朝向CoMP群集边界移动。
在516处，方法500可以包括：接收对CoMP服务配置的指示。可以从CoMP控制电路接收该指示，并且该指示可以指示是否启用或者禁用CoMP服务或CoMP群集间协调。如果启用CoMP服务，则该指示还可以指示将哪些通信点被包括在CMS中和/或要监视哪些CSI-RS资源。
在各个实施例中，可以通过RF信号经由RF收发机电路220和RF收发机电路236进行的传送来执行方法400和/或500的信令。该信令可以是介质访问控制(MAC)层信令和/或RRC层信令。
本文所描述的eNB 104和UE 108可以被实现到使用任何适当的硬件和/或软件来如所期望的进行配置的系统中。图6示出了针对一个实施例的示例性系统600，示例性系统600包括一个或多个处理器604、与处理器604中的至少一个处理器相耦合的系统控制逻辑单元608、与系统控制逻辑单元608相耦合的系统存储器612、与系统控制逻辑单元608相耦合的非易失性存储器(NVM)/存储装置616以及与系统控制逻辑单元608相耦合的网络接口620。
处理器604可以包括一个或多个单核或多核处理器。处理器604可以包括通用处理器和专用处理器的任何组合(例如，图形处理器、应用处理器、网络处理器、基带处理器、数字信号处理器等)。
针对一个实施例的系统控制逻辑单元608可以包括：用于向处理器604中的至少一个处理器和/或向与系统控制逻辑单元608相通信的任何适当的设备或组件提供任何适当的接口的任何适当的接口控制器。
针对一个实施例的系统控制逻辑单元608可以包括：用于向系统存储器612提供接口的一个或多个存储器控制器。系统存储器612可以用于加载和存储例如用于系统600的数据和/或指令。针对一个实施例的系统存储器612可以包括例如任何适当的易失性存储器(例如适当的动态随机存取存储器(DRAM))。
例如，NVM/存储设备616可以包括用于存储数据和/或指令的一个或多个有形的、非暂时性的计算机可读介质。NVM/存储设备616可以包括例如任何适当的非易失性存储器(例如闪存)和/或可以包括例如任何适当的非易失性存储设备(例如一个或多个硬盘驱动器(HDD)、一个或多个压缩光盘(CD)驱动器和/或一个或多个数字多功能光盘(DVD)驱动器)。
NVM/存储装置616可以包括系统600被安装在其上的设备的存储资源物理部分，或者它可以由该设备但未必是该设备的一部分访问。例如，可以经由网络接口620通过网络来访问NVM/存储装置616。
系统存储器612和NVM/存储装置616可以分别包括(具体地说)CoMP逻辑单元624的临时副本和持久副本。COMP逻辑单元624可以包括指令，指令在由处理器604中的至少一个处理器执行时使得系统600执行本文所描述的设备(例如，eNB 104或UE 108)的操作。例如，指令在被执行时可以使得系统600执行方法400或方法500。在一些实施例中，CoMP逻辑单元624或其硬件、固件和/或软件组件可以附加地/替代地位于系统控制逻辑单元608、网络接口620和/或处理器604中。
网络接口620可以具有收发机622，具有收发机622用于向系统600提供无线接口以便在一个或多个网络上和/或与任何其它适当的设备进行通信。收发机622可以类似于RF收发机电路220或236，并且基本上可以与其互换。在各个实施例中，收发机622可以与系统600的其它组件相集成。例如，收发机622可以包括处理器604中的处理器、系统存储器612中的存储器以及NVM/存储装置616中的NVM/存储装置。网络接口620可以包括任何适当的硬件和/或固件。网络接口620可以包括用于提供多输入、多输出无线接口的多个天线。针对一个实施例的网络接口620可以包括例如网络适配器、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，处理器604中的至少一个处理器可以与用于系统控制逻辑单元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，处理器604中的至少一个处理器可以与用于系统控制逻辑单元608的一个或多个控制器的逻辑单元封装在一起以形成系统级封装(SiP)。对于一个实施例，处理器604中的至少一个处理器可以与用于系统控制逻辑单元608的一个或多个控制器的逻辑单元集成在同一管芯(die)上。对于一个实施例，处理器604中的至少一个处理器可以与用于系统控制逻辑单元608的一个或多个控制器的逻辑单元集成在同一管芯上以形成片上系统(SoC)。
系统600还可以包括输入/输出(I/O)设备632。I/O设备632可以包括：被设计为使得用户能够与系统600交互的用户接口、被设计为使得外设组件能够与系统600交互的外设组件接口、和/或被设计为确定与系统600相关的环境状况和/或位置信息的传感器。
在各个实施例中，用户接口可以包括但不限于，显示器(例如，液晶显示器、触摸屏显示器等)、扬声器、麦克风、一个或多个相机(例如，静物照相机和/或摄像机)、手电筒(例如，发光二极管闪光灯)和键盘。
在各个实施例中，外设组件接口可以包括但不限于，非易失性存储器端口、音频插孔以及电源接口。
在各个实施例中，传感器可以包括但不限于，陀螺仪传感器、加速度计、邻近度传感器、环境光传感器和定位单元。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组件(例如，全球定位系统(GPS)卫星)进行通信。
在各个实施例中，系统600可以是移动计算设备，例如但不限于，膝上型计算设备、平板计算设备、上网本、智能电话等。在各个实施例中，系统600可以具有更多或更少的组件和/或不同的架构。
本文所描述的实施例的各种示例包括以下内容。
在一些实施例中，公开了一种装置，所述装置包括：测量反馈电路，其被配置为从UE接收边界度量，其中，边界度量是基于一个或多个CSI-RS的UE测量，并且指示UE到CoMP群集的边界的邻近度；以及CoMP控制电路，其被配置为基于边界度量来确定针对UE的CoMP配置。COMP控制电路可以被配置为通过还被配置为进行以下操作来确定针对UE的CoMP配置：从CoMP管理集合的多个节点中选择要被包括在CoMP测量集合中的至少一个节点。CoMP控制电路还可以被配置为：向UE发送对CoMP测量集合的指示。
在一些实施例中，CoMP控制电路还被配置为：选择针对与所述装置通信地相关联的个别UE的个别CoMP测量集合。
边界度量可以是RSRQ值，该RSRQ值是RSRP值与RSSI值之比。RSRP值和RSSI值可以是基于CSI-RS的度量或者是基于长期测量。
边界度量可以是SINR值。
该SINR值可以是RSRP值与噪声值之比，该噪声值与从CoMP群集外部的通信点产生的噪声相对应，其中，RSRP值是基于一个或多个CSI-RS。
在一些实施例中，CoMP控制电路被配置为：将边界度量与预先确定的阈值相比较；以及基于边界度量与预先确定的阈值的比较来启用或禁用针对UE的CoMP服务。
在一些实施例中，CoMP控制电路被配置为：将边界度量与预先确定的阈值相比较；以及基于边界度量与预先确定的阈值的比较来启用或禁用CoMP群集间协调。
一些实施例中公开了一种装置，所述装置包括：测量电路，其被配置为：接收一个或多个CSI-RS；以及基于一个或多个CSI-RS中的至少一个CSI-RS来确定用于指示装置到CoMP群集的边界的邻近度的边界度量；以及反馈电路，其与测量电路相耦合，并且被配置为向CoMP控制电路发送边界度量。
测量电路还被配置为：将边界度量确定为RSRQ值或确定为SINR值。测量电路还可以被配置为：基于一个或多个CSI-RS来确定RSRP值和接收强度信号指示符(RSSI)值；以及将RSRQ值确定为RSRP值与RSSI值之比。测量电路还可以被配置为：基于一个或多个CSI-RS来确定参考信号接收功率(RSRP)值；确定与从CoMP群集外部的通信点产生的噪声相对应的噪声值；以及将SINR值确定为RSRP值与噪声值之比。
测量电路可以被配置为通过被配置为进行以下操作来确定噪声值：测量在物理下行链路共享信道的一个或多个静默的资源单元上的噪声。
测量电路还可以被配置为：从CoMP测量集合的个别的通信点接收CSI-RS；以及确定与从个别的通信点接收的CSI-RS相对应的个别的边界度量。测量电路还可以被配置为：基于个别的边界度量确定边界度量。
在一些实施例中，边界度量可以是个别的边界度量中的一个，并且反馈电路还可以被配置为：向CoMP控制电路发送个别的边界度量。
反馈电路还可以被配置为：检测事件(例如，边界度量大于预先确定的值，或者边界度量在离参考边界度量的预先确定的范围内)的发生；以及基于对所述发生进行的所述检测来发送边界度量。
各个实施例包括一种制品，所述制品包括存储在一个或多个存储介质中的指令，其中，所述指令在被执行时使用户设备进行以下操作：接收一个或多个CSI-RS；基于一个或多个CSI-RS中的至少一个CSI-RS来确定与用户设备相对应的边界度量；检测事件的发生；以及基于对所述发生进行的所述检测来向增强型节点基站发送边界度量。
所述指令在被执行时还可以使用户设备进行以下操作：将边界度量确定为RSRQ值。
所述指令在被执行时还可以使用户设备进行以下操作：基于一个或多个CSI-RS来确定RSRP值和RSSI值；以及将RSRQ值确定为RSRP值与RSSI值之比。
所述指令在被执行时还可以使用户设备进行以下操作：基于一个或多个CSI-RS来确定RSRP值；确定与从CoMP群集外部的通信点产生的噪声相对应的噪声值；以及将SINR值确定为RSRP值与噪声值之比。
各个实施例包括一种方法，所述方法包括：从UE接收边界度量，其中，边界度量是基于一个或多个CSI-RS的UE测量，并且指示UE到CoMP群集的边界的邻近度；以及基于边界度量来确定针对UE的CoMP配置。
确定针对UE的CoMP配置可以包括：从CoMP管理集合的多个节点中选择要被包括在CoMP测量集合中的至少一个节点。
所述方法还可以包括：向UE发送对CoMP测量集合的指示，或者选择针对个别UE的个别CoMP测量集合。
所述方法可以包括：将边界度量与预先确定的阈值相比较；以及基于边界度量与预先确定的阈值的比较来启用或禁用针对UE的CoMP服务。
所述方法可以包括：将边界度量与预先确定的阈值相比较；以及基于边界度量与预先确定的阈值的比较来启用或禁用CoMP群集间协调。
一些实施例描述了一种用于操作用户设备的方法，所述方法包括：接收一个或多个CSI-RS；基于一个或多个CSI-RS中的至少一个CSI-RS来确定与用户设备相对应的边界度量；检测事件的发生；以及基于对所述发生进行的检测向增强型节点基站发送边界度量。
所述方法还可以包括：基于一个或多个CSI-RS来确定RSRP值和RSSI值；以及将RSRQ值确定为RSRP值与RSSI值之比。所述方法还可以包括：基于一个或多个CSI-RS来确定RSRP值；确定与从CoMP群集外部的通信点产生的噪声相对应的噪声值；以及将SINR值确定为RSRP值与噪声值之比。
一些实施例中公开了一种装置，所述装置包括用于执行本文所描述的方法的单元。此外，各个实施例包括一种制品，所述制品包括存储在一个或多个存储介质中的指令，其中，所述指令在被执行时使用户设备执行UE、eNB、或者其组件的操作。
虽然已经在本文中出于描述的目的示出和描述了某些实施例，但是在不脱离本公开内容的范围的情况下，用于实现相同目的所计算的各种各样的替代和/或等同实施例或实现可以替代所示出和描述的实施例。本申请旨在涵盖本文所讨论的实施例的任何调整或变化。因此，显然意图是，本文所描述的实施例仅由权利要求及其等效项来限定。

Claims (25)

1.一种装置，包括：
测量反馈电路，其被配置为从用户设备(UE)接收边界度量，其中，所述边界度量是基于一个或多个信道状态信息-参考信号(CSI-RS)的UE测量，并且指示所述UE到协作式多点(CoMP)群集的边界的邻近度；以及
CoMP控制电路，其被配置为基于所述边界度量来确定针对所述UE的CoMP配置。
2.根据权利要求1所述的装置，其中，所述CoMP控制电路被配置为：通过还被配置为进行以下操作来确定针对所述UE的所述CoMP配置：
从CoMP管理集合的多个节点中选择要被包括在CoMP测量集合中的至少一个节点。
3.根据权利要求2所述的装置，其中，所述CoMP控制电路还被配置为：向所述UE发送对所述CoMP测量集合的指示。
4.根据权利要求1到3中的任一项所述的装置，其中，所述CoMP控制电路还被配置为：选择针对与所述装置通信地相关联的个别UE的个别CoMP测量集合。
5.根据权利要求1到3中的任一项所述的装置，其中，所述边界度量包括：参考信号接收质量(RSRQ)值，其是参考信号接收功率(RSRP)值与接收强度信号指示符(RSSI)值之比。
6.根据权利要求5所述的装置，其中，所述RSRP值和所述RSSI值是基于CSI-RS的度量或者是基于长期测量。
7.根据权利要求1到3中的任一项所述的装置，其中，所述边界度量是信号与干扰加噪声比(SINR)值。
8.根据权利要求7所述的装置，其中，所述SINR值是参考信号接收功率(RSRP)值与噪声值之比，所述噪声值与从所述CoMP群集外部的通信点产生的噪声相对应，
其中，所述RSRP值是基于所述一个或多个CSI-RS。
9.根据权利要求1到3中的任一项所述的装置，其中，所述CoMP控制电路被配置为：将所述边界度量与预先确定的阈值相比较；以及
基于所述边界度量与所述预先确定的阈值的比较来启用或禁用针对所述UE的CoMP服务。
10.根据权利要求1到3中的任一项所述的装置，其中，所述CoMP控制电路被配置为：
将所述边界度量与预先确定的阈值相比较；以及
基于所述边界度量与所述预先确定的阈值的比较来启用或禁用CoMP群集间协调。
11.一种装置，包括：
测量电路，其被配置为：
接收一个或多个信道状态信息-参考信号(CSI-RS)；以及
基于所述一个或多个CSI-RS中的至少一个CSI-RS来确定用于指示装置到协作式多点(CoMP)群集的边界的邻近度的边界度量；以及反馈电路，其与所述测量电路相耦合，并且被配置为向CoMP控制电路发送所述边界度量。
12.根据权利要求11所述的装置，其中，所述测量电路还被配置为：
将所述边界度量确定为参考信号接收质量(RSRQ)值或确定为信号与干扰加噪声比(SINR)值。
13.根据权利要求12所述的装置，其中，所述测量电路还被配置为：
基于所述一个或多个CSI-RS来确定参考信号接收功率(RSRP)值和接收强度信号指示符(RSSI)值；以及
将所述RSRQ值确定为所述RSRP值与所述RSSI值之比。
14.根据权利要求12所述的装置，其中，所述测量电路还被配置为：
基于所述一个或多个CSI-RS来确定参考信号接收功率(RSRP)值；
确定与从所述CoMP群集外部的通信点产生的噪声相对应的噪声值；以及
将所述SINR值确定为所述RSRP值与所述噪声值之比。
15.根据权利要求11到14中的任一项所述的装置，其中，所述测量电路被配置为：通过被配置为进行以下操作来确定所述噪声值：
测量在物理下行链路共享信道的一个或多个静默资源单元上的噪声。
16.根据权利要求11到14中的任一项所述的装置，其中，所述测量电路还被配置为：
从CoMP测量集合的个别的通信点接收CSI-RS；以及
确定与从所述个别的通信点接收的所述CSI-RS相对应的个别的边界度量。
17.根据权利要求16所述的装置，其中，所述测量电路还被配置为：
基于所述个别的边界度量来确定所述边界度量。
18.根据权利要求16所述的装置，其中，所述边界度量是所述个别的边界度量中的一个，并且所述反馈电路还被配置为：
向所述CoMP控制电路发送所述个别的边界度量。
19.根据权利要求11到14中的任一项所述的装置，其中，所述反馈电路还被配置为：
检测事件的发生；以及
基于对所述发生进行的所述检测来发送所述边界度量。
20.根据权利要求19所述的装置，其中，所述事件包括：所述边界度量大于预先确定的值，或所述边界度量在离参考边界度量的预先确定的范围内。
21.根据权利要求11到14中的任一项所述的装置，其中，所述CoMP控制电路被布置在增强型节点基站中，并且所述装置包括用户设备，所述用户设备还包括：
触摸屏用户接口。
22.一种制品，包括存储在一个或多个存储介质中的指令，其中，所述指令在被执行时使用户设备进行以下操作：
接收一个或多个信道状态信息-参考信号(CSI-RS)；
基于所述一个或多个CSI-RS中的至少一个CSI-RS来确定与所述用户设备相对应的边界度量；
检测事件的发生；以及
基于对所述发生进行的检测来向增强型节点基站发送所述边界度量。
23.根据权利要求22所述的制品，其中，所述指令在被执行时还使所述用户设备进行以下操作：
将所述边界度量确定为参考信号接收质量(RSRQ)值。
24.根据权利要求23所述的制品，其中，所述指令在被执行时还使所述用户设备进行以下操作：
基于所述一个或多个CSI-RS来确定参考信号接收功率(RSRP)值和接收强度信号指示符(RSSI)值；以及
将所述RSRQ值确定为所述RSRP值与所述RSSI值之比。
25.根据权利要求22所述的制品，其中，所述指令在被执行时还使所述用户设备进行以下操作：
基于所述一个或多个CSI-RS来确定RSRP值；
确定与从所述CoMP群集外部的通信点产生的噪声相对应的噪声值；以及
将SINR值确定为所述RSRP值与所述噪声值之比。
CN201380006657.2A 2012-01-27 2013-01-23 基于信道状态信息参考信号的协作式多点配置的装置 Active CN104081684B (zh)

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