CN104081682A - 地理上隔离的天线 - Google Patents

地理上隔离的天线 Download PDF

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Publication number
CN104081682A
CN104081682A CN201280059321.8A CN201280059321A CN104081682A CN 104081682 A CN104081682 A CN 104081682A CN 201280059321 A CN201280059321 A CN 201280059321A CN 104081682 A CN104081682 A CN 104081682A
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China
Prior art keywords
antenna
group
base transceiver
feedback
vector
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陈晓刚
朱源
李庆华
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Intel Corp
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Intel Corp
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  • Quality & Reliability (AREA)
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  • Telephonic Communication Services (AREA)
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Abstract

简要地，根据一个或多个实施例，具有第一组天线和与所述第一组天线地理上分离的第二组天线的基地收发器站将参考信号传送到第一装置，并且从该第一装置接收反馈。该反馈表示可以用于构造权重调整矢量的信息。基地收发器站至少部分基于从第一装置接收的反馈而从码本选择预编码矢量，至少部分基于该反馈来计算权重调整矢量，并且将权重调整矢量应用于选择的预编码矢量以提供调整的预编码矢量。基地收发器站然后可使用调整的预编码矢量将数据传送到第一装置。

Description

地理上隔离的天线
 
背景技术
可部署地理上隔离的天线来提供增强的下行链路多输入多输出（MIMO）传送。例如，在异构网络、协调多点（CoMP）传送中，这样的部署可用于室内天线部署，其中联合传送可视为单个小区中的一个或多个地理上分离的天线。然而，地理上隔离的天线可呈现潜在问题，例如参考信号接收功率（RSRP）测量或由不同天线之间的大的天线分离距离引起的产生的天线增益不平衡（AGI）。地理上分离的天线子集可经历不同的信道条件，从而导致可潜在影响系统性能的严重AGI。当前系统假设小区中的基站或增强节点B（eNB）的所有天线在地理上共同定位。RSRP测量仅对一个或两个天线获得，例如从共同参考信号（CRS）端口0或端口1，并且测量应用于系统的天线中的全部。然而，该假设对于地理上分离的天线（其根据它们的特定位置而经历不同的信道条件）可能是无效的，并且因此测量将不充分反映小区的真实条件。
附图说明
要求保护的主题在说明书的结论部分中特别指出并且清楚地要求保护。然而，这样的主题可通过在与附图一起阅读时参考下面的详细描述而理解，附图中：
图1是根据一个或多个实施例的具有地理上分离的天线的增强节点B（eNB）的图；
图2是根据一个或多个实施例在利用远程无线电单元（RRU）的小区中具有地理上分离的天线的增强节点B（eNB）的图；
图3是根据一个或多个实施例利用码本以至少部分基于信道条件来选择预编码矢量的增强节点B（eNB）的图；
图4是根据一个或多个实施例用于至少部分基于测量的天线增益不平衡（AGI）来对于地理上分离的天线调整码本的方法的流程图；
图5是根据一个或多个实施例用于至少部分基于测量的天线增益不平衡（AGI）来对于地理上分离的天线调整码本的备选方法的流程图；
图6是根据一个或多个实施例用于至少部分地基于基于信道状态指示符参考信号（CSI-RS）的RSRP测量来对于地理上分离的天线调整码本的方法的流程图；
图7是根据一个或多个实施例能够对于地理上分离的天线调整码本的信息处理系统的框图；以及
图8是根据一个或多个实施例的可选地可包括触摸屏的图7的信息处理系统的等距视图。
将意识到为了简单和/或清楚地图示，在图中图示的元件不必按比例绘制。例如，为了清楚起见，一些元件中的尺寸可相对于其他元件扩大。此外，如果认为合适，在附图中重复标号来指示对应和/或类似元件。
具体实施方式
在下面的详细描述中，阐述许多具体细节以便提供对要求保护的主题的透彻理解。然而，本领域内技术人员将理解要求保护的主题可在没有这些具体细节的情况下实践。在其他实例中，未详细描述众所周知的方法、过程、部件和/或电路。
在下面的描述和/或权利要求中，可使用术语耦合和/或连接连同它们的派生词。在特定实施例中，连接可用于指示两个或以上的元件互相直接物理和/或电接触。耦合可意指两个或以上的元件直接物理和/或电接触。然而，耦合还可意指两个或以上的元件可不彼此直接接触，但仍可彼此合作和/或交互。例如，“耦合”可意指两个或以上的元件彼此不接触但经由另一元件或中间元件而间接联接在一起。最后，可在下面的描述和权利要求中使用术语“在…上”、“覆盖”和“在…之上”。“在…上”、“覆盖”和“在…之上”可用于指示两个或以上的元件彼此直接物理接触。然而，“在…之上”还可意指两个或以上的元件彼此不直接接触。例如，“在…之上”可意指一个元件在另一个元件上方但彼此不接触并且在这两个元件之间可具有另一个元件或多个元件。此外，术语“和/或”可意指“和”，它可意指“或”，它可意指“异或”，它可意指“一个”，它可意指“一些，但不是全部”，它可意指“两者都不”，和/或它可意指“两者”，但要求保护的主题的范围在这方面不受限制。在下面的描述和/或权利要求中，可使用术语“包括”和“包含”连同它们的派生词并且它们意图作为彼此的同义词。
现在参考图1，将论述根据一个或多个实施例的具有地理上分离的天线的增强节点B（eNB）的图。如在图1中示出的，无线网络100可包括增强节点B（eNB）110，其服务于一个或多个用户设备（UE），例如示出的实施例中的UE 116、UE 118、UE 120和UE 120。eNB 110可具有多个天线，例如第一组天线112和第二组天线114，其中所述第一组天线112和所述第二组天线114可在地理上分离明显的距离。也就是说，第一组天线112和第二组天线114没有共同定位。在这样的布置中，第一组UE装置（例如UE 116和UE 118）可经由第一组天线112而与eNB 112通信，并且第二组UE装置（例如UE 120和UE 122）可经由第二组天线114而与eNB 110通信。应注意eNB 110和UE装置可遵循长期演进（LTE）标准和/或这样的标准的任何发展或进展（例如，LTE-高级）来操作，其中网络100可包括LTE网络。一般，eNB 110可通称为基地收发器站或仅仅基站，并且UE中的任何一个或多个可通称为移动台、移动装置或仅仅装置，并且要求保护的主题的范围在这些方面不受限制。应注意为了论述目的，网络100可在本文论述为LTE网络，但网络100可包括任何类型的无线网络，例如无线广域网（WWAN）、无线局域网（WLAN）或类似物，其遵循任何各种无线网络标准，例如遵循电气和电子工程师协会（IEEE）802.16e标准的全球微波接入互操作性（WiMAX）网络、遵循IEEE 802.16m标准的WiMAX-II网络等，并且要求保护的主题的范围在该方面不受限制。
如在图1中示出的，因为eNB110的两组天线在地理上分离，第一组天线112可经历与第二组天线114不同的信道条件。因此，在eNB 110的天线中可存在产生的天线增益不平衡（AGI）。在这样的情形中，用第一组天线112进行的任何信道测量（例如参考信号接收功率（RSRP）测量）对于第二组天线114可能不是有效的。例如，在当前LTE规范中，RSRP测量利用共同参考信号（CRS）端口0并且可选地利用CRS端口1，这两者都可映射到第一组天线112。对于第一组天线112的测量然后应用于eNB110的天线中的全部，包括第二组天线114。然而，利用由地理上分离的天线产生的任何AGI，仅对一组天线进行的测量无法应用于其他组天线。因此，可进行调整以便适应这样的AGI，如在下文进一步详细论述的。
现在参考图2，将论述根据一个或多个实施例的在利用远程无线电单元（RRU）的小区中具有地理上分离的天线的增强节点B（eNB）的图。在图2中示出的示例中，网络200的增强节点B（eNB）110可服务于三个小区，例如小区0、小区1和小区2。eNB 110的第一组天线112可用于与紧密靠近第一组天线112的用户设备（UE）116通信。朝向远离eNB 110的小区中的任一个小区的远端区域定位的UE装置（例如UE 120）可经由第二组天线114（其在小区中与第一组天线112地理上分离）而与eNB 110通信。在一些实施例中，第二组天线114可以是例如在协调多点（CoMP）部署中耦合到eNB 110的远程无线电单元（RRU）210的天线。在一些实施例中，耦合于eNB 110的多个RRU可在单个小区内利用，其中RRU具有对应的额外天线组以根据UE相对于eNB 110的位置和给定的RRU的位置、信号强度、信道条件等而与一个或多个UE通信。然而，应注意图2图示使用一个或多个RRU的多组地理上分离的天线的示例部署，并且要求保护的主题的范围在该方面不受限制。
现在参考图3，将论述根据一个或多个实施例的利用码本以至少部分基于信道条件来选择预编码矢量的增强节点B（eNB）的图。如在图3中示出的，增强节点B（eNB）110可利用码本316以至少部分基于信道H 314的条件来选择合适的预编码矢量W。在这样的布置中，eNB 110的收发器310的传送器将参考信号传送到用户设备（UE）116的收发器312的接收器。UE 116然后可经由信道估计块314（如从接收参考信号确定的）来估计信道。UE 116然后可向eNB 110提供反馈，例如作为预编码矩阵指数（PMI），其被eNB 100用于从码本316选择合适的预编码矢量。eNB 110然后可使用预编码矢量将数据传送到UE 116来对传送数据加权以适应信道H 314的条件。在一个或多个实施例中，预编码矢量W可经由码本316的调整而调整以便适应在两组或更多组地理上分离的天线之间检测的任何天线增益不平衡（AGI）。
现在参考图4，将论述根据一个或多个实施例用于至少部分基于测量的天线增益不平衡（AGI）来对于地理上分离的天线调整码本的方法的流程图。尽管图4的方法400图示用于调整码本316的方法的一个特定实施例，方法400的其他实施例可包括比示出的更大或更少的块，和/或采用不同的顺序，并且要求保护的主题的范围在该方面不受限制。方法400至少部分基于eNB 110的两组或更多组天线中确定AGI来调整码本316。因为当前的长期演进（LTE）标准的码本316是为共同定位的天线而设计而不考虑AGI，在一个或多个实施例上，可至少部分确定AGI，并且预编码矢量的合适的调整可被执行如下：
其中Worg是来自码本316的原始预编码矢量，G是权重调整矢量，并且Wadj是在用权重调整矢量调整后的预编码矢量。权重调整矢量G能够指示对于可经历AGI的多组天线的分布式天线的相对天线增益值。在一个或多个实施例中，权重调整矢量G可从由UE 116报告的参考信号接收功率（RSRP）测量得到，或备选地通过探测在eNB 110处测量的参考信号（RS）而得到。例如，权重调整矢量G可计算如下：
其中nt表示eNB 110处的传送天线的数量。方法400表示利用权重调整矢量G来调整从码本316获得的预编码矢量而实现的一个实施例。方法400的逼近可称为对于UE 116是非透明的，其中UE 116在预编码矩阵指示符（PMI）搜索之前用权重调整矢量G来调整码本316。在这样的实施例中，在框410处，参考信号从eNB 110传送到UE 116。UE 116然后在框412处使用接收的参考信号来估计信道。UE 116然后在框414处计算权重调整矢量G，其可至少部分基于参考信号，例如RSRP测量。UE 116在框416处在PMI搜索中利用权重调整矢量G并且向eNB 110提供PMI反馈。利用从UE 116接收的该PMI反馈，eNB 110在框418处基于PMI反馈从码本316选择预编码矢量并且在框420处将调整矢量G应用于选择的预编码矢量。权重调整矢量G由eNB 110从RSRP反馈计算或重建或通过探测参考信号（RS）计算或重建。eNB 110然后可在框422处使用调整的预编码矢量来传送数据。
现在参考图5，将论述根据一个或多个实施例用于至少部分基于测量的天线增益不平衡（AGI）来对于地理上分离的天线调整码本的备选方法的流程图。尽管图5的方法500图示用于调整码本316的方法的一个特定实施例，方法500的其他实施例可包括比示出的更大或更少的块，和/或采用不同的顺序，并且要求保护的主题的范围在该方面不受限制。图5的方法500与图4的方法400相似，除了方法500可称为对于UE 116是透明的，其中UE 116搜索并且反馈预编码矩阵指示符（PMI）而没有由UE 116的码本调整。在这样的实施例中，eNB 100在框510处将参考信号传送到UE 116，并且UE 116在框512处估计信道。UE 116然后在框514处在没有使UE 116提供对码本316的任何调整或在UE 116没有计算权重调整矢量G的情况下，向eNB 110提供PMI反馈。基于从UE 116接收的RSRP反馈或基于探测参考信号（RS），eNB 110在框516处计算权重调整矢量G，并且在框518处基于PMI反馈通过应用计算的权重调整矢量而调整从码本316选择的预编码矢量。权重调整矢量可由eNB 110从探测RS测量或其他测量获得。eNB 110然后可在框520处使用从而调整的预编码矢量来传送数据。在一个或多个实施例中，物理下行链路共享信道（PDSCH）可至少部分基于这样的RS测量而解码，这可避免对UE透明方法500的标准化的任何需要，但要求保护的主题的范围在该方面不受限制。
现在参考图6，将论述根据一个或多个实施例用于至少部分基于基于信道状态指示符参考信号（CSI-RS）的RSRP测量来对于地理上分离的天线调整码本的方法的流程图。尽管图6的方法600图示用于调整码本316的方法的一个特定实施例，方法600的其他实施例可包括比示出的更大或更少的块，和/或采用不同的顺序，并且要求保护的主题的范围在该方面不受限制。图6图示获得对于地理上分离的天线组的相应天线的参考信号接收功率（RSRP）测量的方法，其中码本316可使用这样的RSRP测量来调整。在一般部署中，eNB 110的每个天线可具有对应的信道状态指示符参考信号（CSI-RS或仅仅CRS）端口。通过获得对所有CRS端口的RSRP测量，RSRP测量可用于确定不同组的地理上分离的天线之中的性能差异。从而，在一个或多个实施例中，CRS端口可在框610处映射到eNB 110的多个天线，包括映射到地理上分离的天线组。在一个或多个特定实施例中，CRS端口可映射到少于所有天线，例如其中每个相应天线组用至少一个CRS端口来映射。然后，可在框612处使用映射天线的CSI-RS端口来进行每端口RSRP测量。在这样的实施例中，可对于映射的CSI-RS端口进行每端口RSRP测量。UE 116然后在框614处向eNB 110反馈RSRP测量。eNB 110在框616处使用RSRP测量来计算权重调整矢量G，其可在框618处用于调整从码本316获得的预编码矢量。eNB 110然后可使用调整的预编码矢量620来将数据传送到UE 116。在一个或多个实施例中，层3移动性测量可根据图6的方法600来调整，但要求保护的主题的范围在该方面不受限制。
现在参考图7，将论述根据一个或多个实施例能够对于地理上分离的天线调整码本的信息处理系统的框图。图7的信息处理系统700有形地包含如在图1或图2中示出并且关于它们而描述的网络100或网络200的网络元件、基础设施节点或装置中的一个或多个。例如，信息处理系统700可表示eNB 110、UE 116和/或RU 118的硬件，其根据特定装置、节点或网络元件的硬件规范而具有更大或更少的部件。尽管信息处理系统700表示若干类型的计算平台的一个示例，信息处理系统700可包括比在图7中示出的更多或更少的元件和/或与图7中示出的不同的元件布置，并且要求保护的主题的范围在这些方面不受限制。
在一个或多个实施例中，信息处理系统700可包括应用处理器710和基带处理器712。应用处理器710可用作运行应用的通用处理器以及信息处理系统700的各种子系统。应用处理器710可包括单核或备选地可包括多个处理核，其中这些核中的一个或多个可包括数字信号处理器或数字信号处理核。此外，应用处理器710可包括布置在相同芯片上的图形处理器或协处理器，或备选地，耦合于应用处理器710的图形处理器可包括独立的分立图形芯片。应用处理器710可包括板上存储器，例如高速缓存存储器，并且可进一步耦合于例如同步动态随机存取存储器（SDRAM）714等用于在操作期间存储和/或执行应用的外部存储器装置，以及用于存储应用和/或数据（即使在信息系统700断电时）的NAND闪存716。基带处理器712可控制信息处理系统700的宽带无线电功能。基带处理器712可存储用于控制在NOR闪存718中的这样的宽带无线电功能的代码。基带处理器712控制无线广域网（WWAN）收发器720，其用于调制和/或解调宽带网络信号，例如用于经由3GPP LTE网络或类似物（如在本文关于图2论述的）而进行通信。WWAN收发器720耦合于一个或多个功率放大器722，其分别耦合于一个或多个天线724用于经由WWAN宽带网络而发送和接收射频信号。基带处理器712还可控制无线局域网（WLAN）收发器726，其耦合于一个或多个适合的天线728并且可以能够经由Wi-Fi、蓝牙和/或调幅（AM）或调频（FM）无线电标准（包括IEEE 802.11a/b/g/n标准或类似物）而进行通信。应该注意，这些仅是应用处理器710和基带处理器712的示例实现，并且要求保护的主题的范围在这些方面不受限制。例如，SDRAM 714、NAND闪存716和/或NOR闪存718中的任何一个或多个可包括其他类型的存储器技术，例如磁存储器、硫族化合物存储器、相变存储器或奥式存储器，并且要求保护的主题的范围在该方面不受限制。
在一个或多个实施例中，应用处理器710可驱动显示器730用于显示各种信息或数据，并且可进一步经由触摸屏732（例如经由手指或触控笔）而从用户接收触摸式输入。环境光传感器734可用于检测信息处理系统700在其中操作的环境光的量，例如用来控制作为由环境光传感器734检测的环境光强度的函数的显示器730的亮度或对比度值。一个或多个照相机736可用于捕获图像，所述图像被应用处理器710所处理和/或至少暂时存储在NAND闪存716中。此外，应用处理器可耦合于陀螺仪738、加速计740、磁力计742、音频编码器/解码器（CODEC）744和/或耦合于合适的GPS天线748的全球定位系统（GPS）控制器746，用于检测各种环境性质，包括信息处理器系统700的位置、移动和/或定向。备选地，控制器746可包括全球导航卫星系统（GNSS）控制器。音频CODEC 744可耦合于一个或多个音频端口750以经由内部装置和/或经由外部装置来提供麦克风输入和扬声器输出，所述外部装置经由音频端口750（例如，经由耳机和麦克风插孔）而耦合于信息处理系统。另外，应用处理器710可耦合于一个或多个输入/输出（I/O）收发器752，以便耦合于一个或多个I/O端口754，例如通用串行总线（USB）端口、高清晰度多媒体接口（HDMI）端口、串行端口，等等。此外，I/O收发器752中的一个或多个可耦合于例如安全数字（SD）卡或订户身份模块（SIM）卡等可选的可移动存储器的一个或多个存储器插槽756，但要求保护的主题的范围在这些方面不受限制。
现在参考图8，将论述根据一个或多个实施例可选地可包括触摸屏的图7的信息处理器系统的等距图。图8示出图7的信息处理系统700的示例实现，其有形地实施为蜂窝电话、智能电话或平板型装置或类似物。在一个或多个实施例中，信息处理系统700可包括图1或图2的用户设备（UE）装置中的任何一个，但要求保护的主题的范围在该方面不受限制。信息处理器系统700可包括外壳810，其具有显示器730，该显示器730可包括触摸屏732，用于经由用户的手指816和/或经由触控笔818接收触觉输入控制和命令来控制一个或多个应用处理器710。外壳810可容置信息处理系统700的一个或多个部件，例如一个或多个应用处理器710，SDRAM 714、NAND闪存716、NOR闪存718、基带处理器712和/或WWAN收发器720中的一个或多个。信息处理系统700可进一步可选地包括物理致动器区域820，其可包括键盘或按钮，用于经由一个或多个按钮或开关来控制信息处理系统。信息处理系统700还可包括存储器端口或插槽756，用于容纳例如闪速存储器等例如采用安全数字（SD）卡或订户身份模块（SIM）卡形式的非易失性存储器。可选地，信息处理系统700可进一步包括一个或多个扬声器和/或麦克风824以及连接端口754，连接端口754用于将信息处理系统700连接到另一个电子装置、坞（dock）、显示器、电池充电器等。另外，信息处理系统700可包括耳机或扬声器插孔828以及外壳810的一个或多个侧上的一个或多个照相机736。应该注意，在各种布置中，图8的信息处理系统700可包括比示出的更多或更少的元件，并且要求保护的主题的范围在该方面不受限制。
尽管以某种程度的特殊性来描述要求保护的主题，应该认识到本领域内技术人员可更改其要素而不偏离要求保护的主题的精神和/或范围。认为与地理上隔离的天线和/或它伴随的效用中的许多有关的主题将通过前面的描述来理解，并且将显而易见的是，可在其部件的形式、构造和/或布置中做出各种改变而不偏离要求保护的主题的范围或不牺牲它的所有材料优势，本文中之前描述的形式仅是其解释性实施例，和/或另外未提供对其的实质性改变。权利要求的意图是包含和/或包括这样的改变。

Claims (44)

1. 一种用于调整码本的方法，包括：
将参考信号从基地收发器站传送到第一装置，所述基地收发器站具有第一组天线和与所述第一组天线地理上分离的第二组天线；
从所述第一装置接收反馈，所述反馈表示可以用于构造权重调整矢量的信息；
至少部分基于从所述第一装置接收的所述反馈而从码本选择预编码矢量；
至少部分基于所述反馈来计算所述权重调整矢量并且将所述权重调整矢量应用于选择的预编码矢量来提供调整的预编码矢量；以及
使用所述调整的预编码矢量将数据传送到所述第一装置。
2. 如权利要求1所述的方法，进一步包括将参考信号传送到第二装置；
从所述第二装置接收反馈，所述反馈表示可以用于构造所述权重调整矢量的信息；
至少部分基于从所述第二装置接收的所述反馈而从所述码本选择预编码矢量；
至少部分基于从所述第二装置接收的所述反馈来计算所述权重调整矢量并且将所述权重调整矢量应用于选择的预编码矢量来提供调整的预编码矢量；以及
使用所述调整的预编码矢量将数据传送到所述第二装置。
3. 如权利要求1或权利要求2中任一项所述的方法，其中所述第一装置或所述第二装置包括用户设备（UE）并且所述基地收发器站包括增强节点B（eNB）。
4. 如权利要求1或权利要求2中任一项所述的方法，其中从所述第一装置或所述第二装置接收的所述反馈包括预编码矩阵指示符。
5. 如权利要求1或权利要求2中任一项所述的方法，其中在所述反馈中表示的信息适应所述第一组天线与第二组天线之间的天线增益不平衡。
6. 如权利要求1或权利要求2中任一项所述的方法，其中所述权重调整矢量用来自所述参考信号的参考信号接收功率（RSRP）测量来计算。
7. 如权利要求6所述的方法，其中所述RSRP测量根据映射到所述第一组天线中的一个或多个或所述第二组天线中的一个或多个的每个信道状态指示符端口参考信号（CSI-RS）端口而获得。
8. 一种用于调整码本的方法，包括：
从基地收发器站接收参考信号，所述基地收发器站具有第一组天线和与所述第一组天线地理上分离的第二组天线；
至少部分基于接收的参考信号来计算权重调整矢量；
将反馈发送到所述基地收发器站，所述反馈表示用于允许所述基地收发器至少部分基于所述反馈来调整来自所述码本的选择的预编码矢量的所述权重调整矢量；以及
经由所述第一组天线接收从所述基地收发器站传送的数据，其中所述传送的数据是调整的预编码矢量。
9. 如权利要求8所述的方法，其中所述基地收发器站包括增强节点B（eNB）。
10. 如权利要求8所述的方法，其中所述反馈包括预编码矩阵指示符。
11. 如权利要求8所述的方法，其中在所述反馈中表示的所述权重调整矢量适应所述第一组天线与所述第二组天线之间的天线增益不平衡。
12. 如权利要求8所述的方法，其中所述权重调整矢量用来自所述参考信号的参考信号接收功率（RSRP）测量而计算。
13. 如权利要求12所述的方法，其中所述RSRP测量根据映射到所述第一组天线中的一个或多个或所述第二组天线中的一个或多个的每个信道状态指示符端口参考信号（CSI-RS）端口而获得。
14. 一种基地收发器站，其具有第一组天线和与所述第一组天线地理上分离的第二组天线，所述基地收发器站包括：
收发器，其配置成将参考信号传送到第一装置，并且从所述第一装置接收反馈，所述反馈表示可以用于构造权重调整矢量的信息；以及
处理器，用于至少部分基于从所述第一装置接收的所述反馈而从码本选择预编码矢量，至少部分基于所述反馈来计算所述权重调整矢量，并且将所述权重调整矢量应用于选择的预编码矢量来提供调整的预编码矢量；
其中所述基地收发器站使用所述调整的预编码矢量将数据传送到所述第一装置。
15. 如权利要求14所述的基地收发器站，其中：
所述收发器进一步配置成将参考信号传送到第二装置并且从所述第二装置接收反馈，所述反馈表示可以用于构造所述权重调整矢量的信息；以及
所述处理器进一步配置成至少部分基于从所述第二装置接收的所述反馈来从所述码本选择预编码矢量，至少部分基于从所述第二装置接收的所述反馈来计算所述权重调整矢量，以及将所述权重调整矢量应用于选择的预编码矢量以提供调整的预编码矢量；
其中所述基地收发器站使用所述调整的预编码矢量将数据传送到所述第二装置。
16. 如权利要求14或权利要求15中任一项所述的基地收发器站，其中所述第一装置或所述第二装置包括用户设备（UE）并且所述基地收发器站包括增强节点B（eNB）。
17. 如权利要求14或权利要求15中任一项所述的基地收发器站，其中从所述第一装置或所述第二装置接收的所述反馈包括预编码矩阵指示符。
18. 如权利要求14或权利要求15中任一项所述的基地收发器站，其中在所述反馈中表示的信息适应所述第一组天线与第二组天线之间的天线增益不平衡。
19. 如权利要求14或权利要求15中任一项所述的基地收发器站，其中所述权重调整矢量用来自所述参考信号的参考信号接收功率（RSRP）测量来计算。
20. 如权利要求19所述的基地收发器站，其中所述RSRP测量根据映射到所述第一组天线中的一个或多个或所述第二组天线中的一个或多个的每个信道状态指示符端口参考信号（CSI-RS）端口而获得。
21. 一种移动台，其包括：
收发器，其配置成从基地收发器站接收参考信号，所述基地收发器站具有第一组天线和与所述第一组天线地理上分离的第二组天线；以及
处理器，用于至少部分基于接收的参考信号来计算权重调整矢量；
其中所述移动台将反馈发送到所述基地收发器站，所述反馈表示用于允许所述基地收发器至少部分基于所述反馈来调整来自所述码本的选择的预编码矢量的所述权重调整矢量，并且所述移动台经由所述第一组天线接收从所述基地收发器站传送的数据，其中所述传送的数据是调整的预编码矢量。
22. 如权利要求21所述的移动台，其中所述移动台包括用户设备（UE）并且所述基地收发器站包括增强节点B（eNB）。
23. 如权利要求21所述的移动台，其中所述反馈包括预编码矩阵指示符。
24. 如权利要求21所述的移动台，其中在所述反馈中表示的所述权重调整矢量适应所述第一组天线与所述第二组天线之间的天线增益不平衡。
25. 如权利要求21所述的移动台，其中所述权重调整矢量用来自所述参考信号的参考信号接收功率（RSRP）测量来计算。
26. 如权利要求25所述的移动台，其中所述RSRP测量根据映射到所述第一组天线中的一个或多个或所述第二组天线中的一个或多个的每个信道状态指示符端口参考信号（CSI-RS）端口而获得。
27. 如权利要求21所述的移动台，其进一步包括触摸屏，所述触摸屏用于从手指或触控笔接收输入命令来控制所述处理器。
28. 一种基地收发器站，包括：
用于将参考信号从基地收发器站传送到第一装置的设备，所述基地收发器站具有第一组天线和与所述第一组天线地理上分离的第二组天线；
用于从所述第一装置接收反馈的设备，所述反馈表示可以用于构造权重调整矢量的信息；
用于至少部分基于从所述第一装置接收的所述反馈而从码本选择预编码矢量的设备；
用于至少部分基于所述反馈来计算所述权重调整矢量并且将所述权重调整矢量应用于选择的预编码矢量来提供调整的预编码矢量的设备；以及
用于使用所述调整的预编码矢量将数据传送到所述第一装置的设备。
29. 如权利要求28所述的基地收发器站，其进一步包括：
用于将参考信号传送到第二装置的设备；
用于从所述第二装置接收反馈的设备，所述反馈表示可以用于构造所述权重调整矢量的信息；
用于至少部分基于从所述第二装置接收的所述反馈而从所述码本选择预编码矢量的设备；
用于至少部分基于从所述第二装置接收的所述反馈来计算所述权重调整矢量并且将所述权重调整矢量应用于选择的预编码矢量来提供调整的预编码矢量的设备；以及
用于使用所述调整的预编码矢量将数据传送到所述第二装置的设备。
30. 如权利要求28或29中任一项所述的基地收发器站，其中所述第一装置或所述第二装置包括用户设备（UE）并且所述基地收发器站包括增强节点B（eNB）。
31. 如权利要求28或29中任一项所述的基地收发器站，其中从所述第一装置或所述第二装置接收的所述反馈包括预编码矩阵指示符。
32. 如权利要求28或29中任一项所述的基地收发器站，其中在所述反馈中表示的信息适应所述第一组天线与第二组天线之间的天线增益不平衡。
33. 如权利要求28或29中任一项所述的基地收发器站，用于计算所述权重调整矢量的设备用来自所述参考信号的参考信号接收功率（RSRP）测量来计算所述权重调整矢量。
34. 如权利要求33所述的基地收发器站，其中所述RSRP测量根据映射到所述第一组天线中的一个或多个或所述第二组天线中的一个或多个的每个信道状态指示符端口参考信号（CSI-RS）端口而获得。
35. 一种移动台，其包括：
用于从基地收发器站接收参考信号的设备，所述基地收发器站具有第一组天线和与所述第一组天线地理上分离的第二组天线；
用于至少部分基于接收的参考信号来计算权重调整矢量的设备；
用于将反馈发送到所述基地收发器站的设备，所述反馈表示用于允许所述基地收发器至少部分基于所述反馈来调整来自所述码本的选择的预编码矢量的所述权重调整矢量；以及
用于经由所述第一组天线接收从所述基地收发器站传送的数据的设备，其中所述传送的数据是调整的预编码矢量。
36. 如权利要求35所述的移动台，其中所述基地收发器站包括增强节点B（eNB）。
37. 如权利要求35所述的移动台，其中所述反馈包括预编码矩阵指示符。
38. 如权利要求35所述的移动台，其中在所述反馈中表示的所述权重调整矢量适应所述第一组天线与所述第二组天线之间的天线增益不平衡。
39. 如权利要求35所述的移动台，其中用于计算所述权重调整矢量的设备用来自所述参考信号的参考信号接收功率（RSRP）测量来计算所述权重调整矢量。
40. 如权利要求39所述的移动台，其中所述RSRP测量根据映射到所述第一组天线中的一个或多个或所述第二组天线中的一个或多个的每个信道状态指示符端口参考信号（CSI-RS）端口而获得。
41. 一种基地收发器站，其布置成执行权利要求1至7中的任一项所述的方法。
42. 一种移动装置，其布置成执行权利要求8至13中的任一项所述的方法。
43. 至少一种机器可读介质，其包括一个或多个指令，所述一个或多个指令响应于在计算装置上执行而促使所述计算装置实施权利要求1至7中的任一项所述的方法。
44. 至少一种机器可读介质，其包括一个或多个指令，所述一个或多个指令响应于在计算装置上执行而促使所述计算装置实施权利要求8至13中的任一项所述的方法。
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