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21. 发明授权

US08891652B2 Structured MIMO codebook 有权
标题翻译：结构化MIMO码本
公开(公告)号：US08891652B2
公开(公告)日：2014-11-18
申请号：US13167209
申请日：2011-06-23
申请人： Peter Gaal , Stefan Geirhofer , Juan Montojo
发明人： Peter Gaal , Stefan Geirhofer , Juan Montojo
IPC分类号： H04B7/02 , H04L1/02 , H04B7/06 , H04B7/04
CPC分类号： H04B7/0456 , H04B7/0417 , H04B7/0465 , H04B7/0469 , H04B7/0478 , H04B7/0615 , H04B7/0626 , H04B7/063 , H04B7/0658
摘要： Provided is a method of wireless communication which includes selecting a codebook from a plurality of codebooks in accordance with an antenna characteristic, and transmitting an indication of the selected codebook. Each of the plurality of codebooks is associated with one of a plurality of antenna characteristics. In some designs, channel state information is received from a user equipment. The channel state information may be used to determine downlink scheduling and/or precoding. In some designs, the channel state information may include feedback elements associated with different subband granularity. The feedback elements may also indicate a selection of a subset of precoder column vectors and/or a phase offset between two groups of transmit antennas.
摘要翻译：提供了一种无线通信方法，其包括根据天线特性从多个码本中选择码本，并发送所选码本的指示。多个码本中的每一个与多个天线特性之一相关联。在一些设计中，从用户设备接收信道状态信息。信道状态信息可以用于确定下行链路调度和/或预编码。在一些设计中，信道状态信息可以包括与不同子带粒度相关联的反馈元件。反馈元件还可以指示预编码器列向量的子集的选择和/或两组发射天线之间的相位偏移。

22. 发明申请

US20130053077A1 USER EQUIPMENT ENHANCEMENTS FOR COOPERATIVE MULTI-POINT COMMUNICATION 有权
标题翻译：合作多点通信的用户设备增强
公开(公告)号：US20130053077A1
公开(公告)日：2013-02-28
申请号：US13592797
申请日：2012-08-23
申请人： Alan Barbieri , Tingfang Ji , Peter Gaal , Stefan Geirhofer , Yichao Huang
发明人： Alan Barbieri , Tingfang Ji , Peter Gaal , Stefan Geirhofer , Yichao Huang
IPC分类号： H04W72/08
CPC分类号： H04B7/0626 , H04B7/024 , H04B7/0617 , H04B17/345 , H04L5/00 , H04L5/0007 , H04L5/0048 , H04L5/0053 , H04L27/2602
摘要： Certain aspects of the present disclosure provide techniques for measuring interference observed at a CoMP UE caused by neighbor base stations transmitting reference signals.
摘要翻译：本公开的某些方面提供了用于测量由相邻基站发送参考信号引起的在CoMP UE处观察到的干扰的技术。

23. 发明申请

US20120027113A1 STRUCTURED MIMO CODEBOOK 有权
标题翻译：结构化MIMO CODEBOOK
公开(公告)号：US20120027113A1
公开(公告)日：2012-02-02
申请号：US13167209
申请日：2011-06-23
申请人： Peter Gaal , Stefan Geirhofer , Juan Montojo
发明人： Peter Gaal , Stefan Geirhofer , Juan Montojo
IPC分类号： H04L27/28 , H04B7/02
CPC分类号： H04B7/0456 , H04B7/0417 , H04B7/0465 , H04B7/0469 , H04B7/0478 , H04B7/0615 , H04B7/0626 , H04B7/063 , H04B7/0658
摘要： Provided is a method of wireless communication which includes selecting a codebook from a plurality of codebooks in accordance with an antenna characteristic, and transmitting an indication of the selected codebook. Each of the plurality of codebooks is associated with one of a plurality of antenna characteristics. In some designs, channel state information is received from a user equipment. The channel state information may be used to determine downlink scheduling and/or precoding. In some designs, the channel state information may include feedback elements associated with different subband granularity. The feedback elements may also indicate a selection of a subset of precoder column vectors and/or a phase offset between two groups of transmit antennas.
摘要翻译：提供了一种无线通信方法，其包括根据天线特性从多个码本中选择码本，并发送所选码本的指示。多个码本中的每一个与多个天线特性之一相关联。在一些设计中，从用户设备接收信道状态信息。信道状态信息可以用于确定下行链路调度和/或预编码。在一些设计中，信道状态信息可以包括与不同子带粒度相关联的反馈元件。反馈元件还可以指示预编码器列向量的子集的选择和/或两组发射天线之间的相位偏移。

24. 发明授权

US09137802B2 DL MU-MIMO operation in LTE-A 有权
标题翻译： LTE-A中的DL MU-MIMO操作
公开(公告)号：US09137802B2
公开(公告)日：2015-09-15
申请号：US12857112
申请日：2010-08-16
申请人： Stefan Geirhofer , Amir Farajidana , Tingfang Ji , Alexei Yurievitch Gorokhov , Anastasios Stamoulis
发明人： Stefan Geirhofer , Amir Farajidana , Tingfang Ji , Alexei Yurievitch Gorokhov , Anastasios Stamoulis
IPC分类号： H04W4/00 , H04W72/04 , H04W72/08
CPC分类号： H04W72/048 , H04W72/0413 , H04W72/085
摘要： Techniques for scheduling UEs are described. In one design, a scheduler (e.g., for a cell) may receive channel direction information (CDI) and channel strength information (CSI) from a plurality of UEs. In one design, the CDI from each UE may include at least one eigenvector, and the CSI from each UE may include at least one singular value corresponding to the at least one eigenvector. The scheduler may schedule at least one UE among the plurality of UEs for data transmission based on the CDI and CSI from the plurality of UEs. The scheduler may select the at least one UE based on a metric related to signal-to-leakage ratio (SLR), or spectral efficiency, etc. In one design, the scheduler may evaluate the performance of different sets of UEs to determine whether to schedule one UE for single-user MIMO or multiple UEs for multi-user MIMO.
摘要翻译：描述用于调度UE的技术。在一种设计中，调度器（例如，用于小区）可以从多个UE接收信道方向信息（CDI）和信道强度信息（CSI）。在一种设计中，来自每个UE的CDI可以包括至少一个特征向量，并且来自每个UE的CSI可以包括对应于该至少一个特征向量的至少一个奇异值。调度器可以基于来自多个UE的CDI和CSI来调度多个UE中的至少一个UE进行数据传输。调度器可以基于与信号泄漏比（SLR）或频谱效率等相关的度量来选择至少一个UE。在一个设计中，调度器可以评估不同组的UE的性能，以确定是否调度一个UE用于单用户MIMO或多个UE用于多用户MIMO。

25. 发明授权

US08913511B2 Interference management to support peer-to-peer communication in a wide area network 有权
标题翻译：干扰管理支持广域网中的对等通信
公开(公告)号：US08913511B2
公开(公告)日：2014-12-16
申请号：US13077249
申请日：2011-03-31
申请人： Stefan Geirhofer , Ravi Palanki , Jaber Mohammad Borran , Naga Bhushan
发明人： Stefan Geirhofer , Ravi Palanki , Jaber Mohammad Borran , Naga Bhushan
IPC分类号： H04L12/28 , H04W72/08 , H04W52/08 , H04W52/10 , H04W52/24 , H04W52/34 , H04W52/38 , H04W16/10 , H04W28/04 , H04W76/02 , H04W88/04 , H04W92/18 , H04W52/14
CPC分类号： H04W72/082 , H04W16/10 , H04W28/04 , H04W52/08 , H04W52/10 , H04W52/146 , H04W52/243 , H04W52/245 , H04W52/248 , H04W52/343 , H04W52/383 , H04W76/14 , H04W88/04 , H04W92/18
摘要： Techniques for performing interference management to support peer-to-peer (P2P) communication in a wide area network (WAN) are described. In an aspect, interference management may be performed in a coordinated manner for/by a set of server nodes, which may include a P2P server and at least one neighbor server node of the P2P server. The P2P server may be a UE communicating peer-to-peer with at least one other UE or P2P client. Interference management may be performed for the set of server nodes to reduce interference to the P2P server and/or the at least one P2P client. In one design, active sets may be determined for UEs. The active set of each UE may include nodes received with sufficient strength by that UE. The set of server nodes may be determined based on the active sets of the P2P server, the at least one P2P client, and possibly other UEs.
摘要翻译：描述了用于执行干扰管理以支持广域网（WAN）中的对等（P2P）通信的技术。在一个方面中，干扰管理可以以一组服务器节点的协同方式执行，该服务器节点可以包括P2P服务器和P2P服务器的至少一个邻居服务器节点。 P2P服务器可以是与至少一个其他UE或P2P客户端进行对等通信的UE。可以对该组服务器节点执行干扰管理，以减少对P2P服务器和/或至少一个P2P客户端的干扰。在一种设计中，可以为UE确定活动集。每个UE的活动集可以包括由该UE充分强度接收的节点。可以基于P2P服务器，至少一个P2P客户端和可能的其他UE的活动集来确定服务器节点集合。

26. 发明授权

US08588801B2 Multi-point equalization framework for coordinated multi-point transmission 有权
标题翻译：用于协调多点传输的多点均衡框架
公开(公告)号：US08588801B2
公开(公告)日：2013-11-19
申请号：US12860742
申请日：2010-08-20
申请人： Alexei Yurievitch Gorokhov , V. Sreekanth Annapureddy , Alan Barbieri , Siddhartha Mallik , Stefan Geirhofer
发明人： Alexei Yurievitch Gorokhov , V. Sreekanth Annapureddy , Alan Barbieri , Siddhartha Mallik , Stefan Geirhofer
IPC分类号： H04W72/00
CPC分类号： H04J11/0053 , H04B7/024 , H04L5/0023 , H04L5/0035 , H04L5/006 , H04L5/0073 , H04L5/0091 , H04W72/1231 , H04W72/1278 , H04W92/20
摘要： Providing for a multipoint equalization (MPE) framework for coordinated multipoint (CoMP) transmission in wireless communication is described herein. The disclosed MPE framework involves distributed scheduling decisions for CoMP transmission, reducing complexity of scheduling coordination as compared with centralized scheduling techniques that coordinate scheduling decisions for multiple network base stations. Further, the MPE framework involves distributed computation of CoMP transmission coefficients, relying on a maximum of two backhaul hops to obtain information for the computation, and disseminate the transmission coefficients. The disclosed MPE framework shows substantial gains in various network deployments over conventional CoMP techniques.
摘要翻译：本文描述了在无线通信中提供用于协调多点（CoMP）传输的多点均衡（MPE）框架。所公开的MPE框架涉及用于CoMP传输的分布式调度决策，与协调多个网络基站的调度决策的集中调度技术相比，降低了调度协调的复杂度。此外，MPE框架涉及CoMP传输系数的分布式计算，依赖于最多两个回程跳数来获得用于计算的信息，并且传播传输系数。与传统的CoMP技术相比，所揭示的MPE框架在各种网络部署中显示出实质性的进步。

27. 发明申请

US20110249642A1 ADAPTIVE RESOURCE NEGOTIATION BETWEEN BASE STATIONS FOR ENHANCED INTERFERENCE COORDINATION 审中-公开
标题翻译：加强干扰协调基站之间的自适应资源协商
公开(公告)号：US20110249642A1
公开(公告)日：2011-10-13
申请号：US13084763
申请日：2011-04-12
申请人： Osok Song , Aleksandar Damnjanovic , Tingfang Ji , Parag Arun Agashe , Jaber Mohammad Borran , Madhavan Srinivasan Vajapeyam , Stefan Geirhofer
发明人： Osok Song , Aleksandar Damnjanovic , Tingfang Ji , Parag Arun Agashe , Jaber Mohammad Borran , Madhavan Srinivasan Vajapeyam , Stefan Geirhofer
IPC分类号： H04W72/08 , H04W68/12
CPC分类号： H04W28/16 , H04W92/20
摘要： Methods and apparatus for supporting adaptive resource negotiation between evolved node Bs (eNBs) for enhanced inter-cell interference coordination (eICIC) are provided. This resource negotiation may occur via a network backhaul between the eNBs or, in some cases, using over-the-air messages (OAMs). For certain aspects, a first eNB may propose its adaptive resource partitioning information (ARPI) to a second eNB, where the second eNB may accept or reject the proposed resource partitioning. If the second eNB accepts the proposed partitioning, the second eNB may schedule resources, such as subframes, based on the accepted partitioning.
摘要翻译：提供了用于支持用于增强的小区间干扰协调（eICIC）的演进节点B（eNB）之间的自适应资源协商的方法和装置。该资源协商可以经由eNB之间的网络回程或者在某些情况下使用空中消息（OAM）来进行。对于某些方面，第一eNB可以向第二eNB提出其自适应资源划分信息（ARPI），其中第二eNB可以接受或拒绝所提出的资源划分。如果第二eNB接受所提出的划分，则第二eNB可以基于所接受的分区来调度诸如子帧的资源。

28. 发明授权

US08964657B2 Apparatus and method for joint encoding of user specific reference signal information in wireless communication 有权
标题翻译：用于无线通信中用户特定参考信号信息的联合编码的装置和方法
公开(公告)号：US08964657B2
公开(公告)日：2015-02-24
申请号：US12917397
申请日：2010-11-01
申请人： Amir Farajidana , Alexei Yurievitch Gorokhov , Juan Montojo , Stefan Geirhofer
发明人： Amir Farajidana , Alexei Yurievitch Gorokhov , Juan Montojo , Stefan Geirhofer
IPC分类号： H04W4/00 , H04L25/02 , H04L5/00 , H04L1/00
CPC分类号： H04L5/0051 , H04L1/004 , H04L25/0226
摘要： An apparatus and method for providing encoded information pertaining to a user-specific reference signal associated with a user equipment in a multiple access wireless communication system are provided. The encoded information jointly indicates a rank of transmission together with at least one parameter relating to the user-specific reference signal, such as a set of antenna ports and a user-specific reference signal pattern. The encoded information is transmitted in a downlink control channel to reduce overhead in the channel.
摘要翻译：提供了一种用于在多址无线通信系统中提供与用户设备相关联的用户特定参考信号的编码信息的装置和方法。编码信息联合地指示传输等级以及与用户特定参考信号有关的至少一个参数，诸如一组天线端口和用户特定参考信号模式。编码信息在下行链路控制信道中发送以减少信道中的开销。

29. 发明申请

US20120201158A1 PEER-TO-PEER / WAN ASSOCIATION CONTROL AND RESOURCE COORDINATION FOR MOBILE ENTITIES USING AGGREGATE NEIGHBORHOOD UTILITY METRICS 审中-公开
标题翻译：移动通信使用聚合邻域实现度量的对等/广域网协调控制和资源协调
公开(公告)号：US20120201158A1
公开(公告)日：2012-08-09
申请号：US13364271
申请日：2012-02-01
申请人： Stefan Geirhofer , Jaber Mohammad Borran , Anastasios Stamoulis , Siddhartha Mallik , Ravi Palanki , Naga Bhushan
发明人： Stefan Geirhofer , Jaber Mohammad Borran , Anastasios Stamoulis , Siddhartha Mallik , Ravi Palanki , Naga Bhushan
IPC分类号： H04W24/00 , H04W36/00
CPC分类号： H04W52/383 , H04W76/14 , H04W84/18
摘要： In a cellular wireless communication system, peer-to-peer (P2P) links between mobile devices are implemented, and controlled using an aggregate utility metric for a group of P2P and cellular links. A mobile node participating in a P2P link, or an eNB, may periodically broadcast an activity level indicator indicating a resource-dependent activity level of the link. The node may control the activity level in response to utility metrics received from members of neighboring P2P links to maximize an aggregate utility of the link and the neighboring P2P links sharing at least a subset of resources of a common frequency spectrum. Formation or termination of P2P links may be controlled in response to comparing a calculated achievable utility value to a current utility value of a link, and taking action calculated to maximize the aggregate utility value.
摘要翻译：在蜂窝无线通信系统中，实现移动设备之间的对等（P2P）链路，并且使用用于一组P2P和蜂窝链路的聚合效用度量进行控制。参与P2P链路的移动节点或eNB可以周期地广播指示链路的资源依赖活动级别的活动级别指示符。节点可以响应于从相邻P2P链路的成员接收到的效用度量来控制活动水平，以最大化链路的聚合效用和共享共同频谱的资源的至少一个子集的相邻P2P链路。可以响应于将计算的可实现效用值与链路的当前效用值进行比较，并且采取计算以最大化总效用值的动作来控制P2P链接的形成或终止。

30. 发明申请

US20120044815A1 INTERFERENCE COORDINATION FOR PEER-TO-PEER (P2P) COMMUNICATION AND WIDE AREA NETWORK (WAN) COMMUNICATION 审中-公开
标题翻译：对等（P2P）通信和宽域网（WAN）通信的干扰协调
公开(公告)号：US20120044815A1
公开(公告)日：2012-02-23
申请号：US13188146
申请日：2011-07-21
申请人： Stefan Geirhofer , Naga Bhushan , Ravi Palanki , Jaber Mohammad Borran , Aleksandar Damnjanovic
发明人： Stefan Geirhofer , Naga Bhushan , Ravi Palanki , Jaber Mohammad Borran , Aleksandar Damnjanovic
IPC分类号： H04W16/02 , H04W72/04 , H04W24/00
CPC分类号： H04W72/082 , H04W8/005 , H04W52/243 , H04W52/383 , H04W72/0406 , H04W76/14
摘要： Techniques for supporting peer-to-peer (P2P) communication in a wide area network (WAN) are disclosed. In an aspect, interference coordination between P2P devices engaged in P2P communication and WAN devices engaged in WAN communication may be performed based on a network-controlled architecture. For the network-controlled architecture, P2P devices may detect other P2P devices and/or WAN devices and may send measurements (e.g., for pathloss, interference, etc.) for the detected devices to the WAN (e.g., serving base stations). The WAN may perform resource partitioning and/or association for the P2P devices based on the measurements. Association may include selection of P2P communication or WAN communication for a given P2P device. Resource partitioning may include allocation of resources to a group of P2P devices for P2P communication. The WAN may send the results of association and/or resource partitioning to the P2P devices, which may communicate in accordance with the association and/or resource partitioning results.
摘要翻译：公开了在广域网（WAN）中支持对等（P2P）通信的技术。在一方面，可以基于网络控制的架构来执行从事P2P通信的P2P设备与从事WAN通信的WAN设备之间的干扰协调。对于网络控制架构，P2P设备可以检测其他P2P设备和/或WAN设备，并且可以向WAN（例如，服务基站）发送检测到的设备的测量（例如，用于路径损耗，干扰等）。 WAN可以基于测量对P2P设备执行资源划分和/或关联。关联可以包括针对给定P2P设备的P2P通信或WAN通信的选择。资源划分可以包括将资源分配给用于P2P通信的一组P2P设备。 WAN可以将关联和/或资源划分的结果发送到可以根据关联和/或资源划分结果进行通信的P2P设备。

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