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1. 发明授权

US08588324B2 Precoding for coordinated multi-point joint transmission 失效
标题翻译：协调多点联合传输预编码
公开(公告)号：US08588324B2
公开(公告)日：2013-11-19
申请号：US13275470
申请日：2011-10-18
申请人： Bishwarup Mondal , Timothy A. Thomas , Eugene Visotsky
发明人： Bishwarup Mondal , Timothy A. Thomas , Eugene Visotsky
IPC分类号： H04B7/02
CPC分类号： H04B7/024 , H04B7/0469 , H04B7/0478 , H04B7/0658
摘要： The specification and drawings present a new method, apparatus and software related product (e.g., a computer readable memory) for implementing precoding for a coordinated multi-point joint transmission in LTE wireless systems using a specific product structure for a multi-point precoding matrix with designed and/or specified usage of multi-point codebooks for generating spatial data stream between a UE having multiple antennas and a plurality of cells.
摘要翻译：本说明书和附图提出了一种新的方法，装置和软件相关产品（例如，计算机可读存储器），用于在LTE无线系统中使用特定的产品结构实现协调的多点联合传输的预编码，用于多点预编码矩阵，用于在具有多个天线的UE和多个小区之间生成空间数据流的多点码本的设计和/或指定用途。

2. 发明申请

US20110105051A1 DIFFERENTIAL CLOSED-LOOP TRANSMISSION FEEDBACK IN WIRELESS COMMUNICATION SYSTEMS 有权
标题翻译：无线通信系统中的差分闭环传输反馈
公开(公告)号：US20110105051A1
公开(公告)日：2011-05-05
申请号：US12872085
申请日：2010-08-31
申请人： Timothy A. Thomas , Bishwarup Mondal , Eugene Visotsky , Frederick W. Vook
发明人： Timothy A. Thomas , Bishwarup Mondal , Eugene Visotsky , Frederick W. Vook
IPC分类号： H04B7/005
CPC分类号： H04L27/2601 , H04B7/0617 , H04B7/0623 , H04B7/0641 , H04L25/0242 , H04L25/03006 , H04L25/03343 , H04L2025/03426
摘要： A method and apparatus for providing channel feedback is provided herein. During operation a covariance matrix at time t (R) is calculated as a function of a received downlink signal. Matrix Ct is also calculated and is based on a previous quantized covariance matrix (Rqt-1), the covariance matrix (R) at time t, and a forgetting factor (γ) that is applied to Rqt-1. The Ct is then used to create a DERC feedback message (signal or waveform) and may be transmitted with pilots on a proper feedback channel to a base unit. The base unit receives the feedback (Ct) as a DERC waveform on a proper feedback channel. The base unit uses non-coherent or coherent detection to detect the DERC values send by the remote unit and uses the DERC values with a previous quantized covariance matrix estimate, a forgetting factor, and a weighting value to compute a covariance matrix estimate to use for beamforming. The base unit then uses the covariance matrix estimate to determine appropriate channel beamforming weights, and instructs transmit beamforming circuitry to use the appropriate weights.
摘要翻译：本文提供了一种用于提供信道反馈的方法和装置。在运行期间，计算时间t（R）处的协方差矩阵作为接收的下行链路信号的函数。还计算矩阵Ct，并且基于先前的量化协方差矩阵（Rqt-1），时间t的协方差矩阵（R）和应用于Rqt-1的遗忘因子（γ）。然后，Ct用于创建DERC反馈消息（信号或波形），并且可以在适当的反馈信道上的导频发送到基本单元。基本单元在适当的反馈通道上接收反馈（Ct）作为DERC波形。基本单元使用非相干或相干检测来检测远程单元发送的DERC值，并且使用具有先前的量化协方差矩阵估计，遗忘因子和加权值的DERC值来计算协方差矩阵估计，以用于波束成形。基本单元然后使用协方差矩阵估计来确定适当的信道波束成形权重，并且指示发送波束成形电路使用适当的权重。

3. 发明授权

US08509705B2 Differential closed-loop transmission feedback in wireless communication systems 有权
标题翻译：无线通信系统中的差分闭环传输反馈
公开(公告)号：US08509705B2
公开(公告)日：2013-08-13
申请号：US12872085
申请日：2010-08-31
申请人： Timothy A. Thomas , Bishwarup Mondal , Eugene Visotsky , Frederick W. Vook
发明人： Timothy A. Thomas , Bishwarup Mondal , Eugene Visotsky , Frederick W. Vook
IPC分类号： H04B1/00
CPC分类号： H04L27/2601 , H04B7/0617 , H04B7/0623 , H04B7/0641 , H04L25/0242 , H04L25/03006 , H04L25/03343 , H04L2025/03426
摘要： A method and apparatus for providing channel feedback is provided herein. During operation a covariance matrix at time t (R) is calculated as a function of a received downlink signal. Matrix Ct is also calculated and is based on a previous quantized covariance matrix (Rqt-1), the covariance matrix (R) at time t, and a forgetting factor (γ) that is applied to Rqt-1. The Ct is then used to create a DERC feedback message (signal or waveform) and may be transmitted with pilots on a proper feedback channel to a base unit. The base unit receives the feedback (Ct) as a DERC waveform on a proper feedback channel. The base unit uses non-coherent or coherent detection to detect the DERC values send by the remote unit and uses the DERC values with a previous quantized covariance matrix estimate, a forgetting factor, and a weighting value to compute a covariance matrix estimate to use for beamforming. The base unit then uses the covariance matrix estimate to determine appropriate channel beamforming weights, and instructs transmit beamforming circuitry to use the appropriate weights.
摘要翻译：本文提供了一种用于提供信道反馈的方法和装置。在运行期间，计算时间t（R）处的协方差矩阵作为接收的下行链路信号的函数。还计算矩阵Ct，并且基于先前的量化协方差矩阵（Rqt-1），时间t的协方差矩阵（R）和应用于Rqt-1的遗忘因子（γ）。然后，Ct用于创建DERC反馈消息（信号或波形），并且可以在适当的反馈信道上的导频发送到基本单元。基本单元在适当的反馈通道上接收反馈（Ct）作为DERC波形。基本单元使用非相干或相干检测来检测远程单元发送的DERC值，并且使用具有先前的量化协方差矩阵估计，遗忘因子和加权值的DERC值来计算协方差矩阵估计，以用于波束成形。基本单元然后使用协方差矩阵估计来确定适当的信道波束成形权重，并且指示发送波束成形电路使用适当的权重。

4. 发明申请

US20130094604A1 Precoding For Coordinated Multi-Point Joint Transmission 失效
标题翻译：协调多点联合传输预编码
公开(公告)号：US20130094604A1
公开(公告)日：2013-04-18
申请号：US13275470
申请日：2011-10-18
申请人： Bishwarup Mondal , Timothy A. Thomas , Eugene Visotsky
发明人： Bishwarup Mondal , Timothy A. Thomas , Eugene Visotsky
IPC分类号： H04L27/00
CPC分类号： H04B7/024 , H04B7/0469 , H04B7/0478 , H04B7/0658
摘要： The specification and drawings present a new method, apparatus and software related product (e.g., a computer readable memory) for implementing precoding for a coordinated multi-point joint transmission in LTE wireless systems using a specific product structure for a multi-point precoding matrix with designed and/or specified usage of multi-point codebooks for generating spatial data stream between a UE having multiple antennas and a plurality of cells.
摘要翻译：本说明书和附图提出了一种新的方法，装置和软件相关产品（例如，计算机可读存储器），用于在LTE无线系统中使用特定的产品结构实现协调的多点联合传输的预编码，用于多点预编码矩阵，用于在具有多个天线的UE和多个小区之间生成空间数据流的多点码本的设计和/或指定用途。

5. 发明申请

US20130310019A1 CELL RANGE EXTENSION FOR COOPERATIVE MULTIPOINT 审中-公开
标题翻译：细胞范围扩大合作多重点
公开(公告)号：US20130310019A1
公开(公告)日：2013-11-21
申请号：US13472887
申请日：2012-05-16
申请人： Eugene VISOTSKY , Bishwarup Mondal
发明人： Eugene VISOTSKY , Bishwarup Mondal
IPC分类号： H04W24/00
CPC分类号： H04B7/0639 , H04B7/024 , H04B7/063 , H04B7/0632 , H04L5/0035
摘要： A user equipment UE takes measurements of at least a first and a second transmission point. The UE applies a bias value in favor of the second transmission point to at least one of the measurements, and thereafter utilizes the measurements after the bias value is applied to select a set of transmission points to recommend for cooperative multipoint CoMP transmissions. In more specific examples: the first and second transmission points are respective macro and micro/pico cells, and the UE further measures channel state information CSI from each transmission point of the selected CoMP set and reports that without applying the bias value to any of them. The examples show this approach works even if the cells share a common physical cell ID PCID.
摘要翻译：用户设备UE至少接收第一和第二传输点的测量。 UE将有利于第二传输点的偏置值应用于至少一个测量，然后在施加偏置值之后利用测量来选择一组传输点以推荐用于协作多点CoMP传输。在更具体的示例中：第一和第二传输点是各自的宏微微微小区，并且UE进一步从所选择的CoMP集合的每个传输点测量信道状态信息CSI，并且报告其中没有应用偏差值。这些例子表明，即使细胞共享一个共同的物理单元ID PCID，这种方法也是有效的。

6. 发明申请

US20120147813A1 CLOSED-LOOP FEEDBACK DURING INITIAL RANGING PROCEDURE 审中-公开
标题翻译：初始范围内的闭环反馈
公开(公告)号：US20120147813A1
公开(公告)日：2012-06-14
申请号：US12965949
申请日：2010-12-13
申请人： Eugene Visotsky , Mark C. Cudak , William J. Hillery , Arvind Krishnamoorthy , Bishwarup Mondal , Frederick W. Vook
发明人： Eugene Visotsky , Mark C. Cudak , William J. Hillery , Arvind Krishnamoorthy , Bishwarup Mondal , Frederick W. Vook
IPC分类号： H04W4/00
CPC分类号： H04B7/0623 , H04B7/024 , H04B7/0417 , H04B7/0626 , H04B7/0634 , H04B7/0639 , H04B7/0669 , H04B7/0671 , H04L5/0023 , H04L5/0035 , H04L5/0053
摘要： During operation, the choice of the initial ranging code (sometimes referred to as a ranging preamble code, or a random-access preamble) at the mobile station is associated with a PMI feedback to be signaled to the base station during the initial ranging. More particularly, during initial system access a ranging code is transmitted by the mobile station to the base station. The mobile station chooses one of the available ranging codes based on the channel conditions and associates the ranging code with channel feedback information. The ranging code is then transmitted to the base station, and provides the base station with the channel feedback information.
摘要翻译：在操作期间，移动站处的初始测距码（有时称为测距前导码或随机接入前同步码）的选择与在初始测距期间向基站发信号通知的PMI反馈相关联。更具体地，在初始系统接入期间，测距码由移动台发送到基站。移动台基于信道条件选择可用的测距码之一，并将测距码与信道反馈信息相关联。然后将测距码发送到基站，并向基站提供信道反馈信息。

7. 发明申请

US20130088978A1 Joint Encoding of Rank and CQI Feedback For Comp 审中-公开
标题翻译：秩和CQI反馈的联合编码
公开(公告)号：US20130088978A1
公开(公告)日：2013-04-11
申请号：US13268298
申请日：2011-10-07
申请人： Bishwarup Mondal , Eugene Visotsky
发明人： Bishwarup Mondal , Eugene Visotsky
IPC分类号： H04W4/06 , H04W24/00
CPC分类号： H04L1/0029 , H04B7/024 , H04B7/0626 , H04B7/066 , H04L1/0026 , H04L1/0031 , H04L5/0035 , H04L5/0057 , H04L2001/0093
摘要： A method to reduce feedback overhead for CoMP operation is described. The method includes deriving a set of CSI for a coordinated multi-point transmission received at a UE over a plurality of radio links Each CSI of the set of CSI pertains to a radio link of the plurality of radio links. The plurality of radio links includes a first link from a serving transmission point and at least one multi-point link from at least one non-serving transmission point to the UE. The method also includes jointly encoding at least two CSI from the set of CSI. Apparatus and computer readable media are also described.
摘要翻译：描述了减少CoMP操作的反馈开销的方法。该方法包括为在多个无线电链路上的UE处接收的协调多点传输导出一组CSI。该组CSI的每个CSI属于多个无线电链路中的无线电链路。多个无线电链路包括来自服务传输点的第一链路和从至少一个非服务传输点到UE的至少一个多点链路。该方法还包括从CSI集合中共同编码至少两个CSI。还描述了装置和计算机可读介质。

8. 发明授权

US08391173B2 Method and apparatus for radio resource allocation in an orthogonal frequency division multiplexing communication system 有权
标题翻译：正交频分复用通信系统中无线资源分配的方法和装置
公开(公告)号：US08391173B2
公开(公告)日：2013-03-05
申请号：US12776499
申请日：2010-05-10
申请人： Mark C. Cudak , Amitabha Ghosh , William J. Hillery , Bishwarup Mondal , Anup K. Talukdar , Eugene Visotsky , Frederick W. Vook , Fan Wang
发明人： Mark C. Cudak , Amitabha Ghosh , William J. Hillery , Bishwarup Mondal , Anup K. Talukdar , Eugene Visotsky , Frederick W. Vook , Fan Wang
IPC分类号： H04W4/00
CPC分类号： H04W16/02 , H04L5/0007 , H04L5/0023 , H04L5/0039 , H04L5/0041 , H04L5/0094 , H04W28/16
摘要： In an OFDM communication system, wherein a frequency bandwidth is divided into multiple Physical Resource Units (PRUs), a Frequency Partitioning Configuration Module (FPCM) is provided that configures a physical layer for use in multiple coverage areas. The FPCM divides the PRUs into a first group, for frequency selective allocations, and a second group, for frequency diverse allocations. The FPCM subdivides each of the two groups into multiple sets of PRUs, maps the sets of PRUs from the first group to consecutive PRUs allocated for contiguous segment allocation (CS-PRUs), and maps the sets of PRUs from the second group to consecutive PRUs allocated for distributed segment allocation (DS-PRUs). The FPCM permutes the DS-PRUs and allocates the CS-PRUs and the permuted DS-PRUs to at least one frequency partition.
摘要翻译：在其中将频率带宽划分为多个物理资源单元（PRU）的OFDM通信系统中，提供了配置用于多个覆盖区域的物理层的频率分配配置模块（FPCM）。 FPCM将PRU划分为第一组，用于频率选择性分配，第二组用于频率不同的分配。 FPCM将两组中的每一个细分为多组PRU，将来自第一组的PRU集合映射到为连续分段分配（CS-PRU）分配的连续PRU，并将来自第二组的PRU集合映射到连续PRU 分配给分布式分段分配（DS-PRU）。 FPCM将DS-PRU置换并将CS-PRU和置换的DS-PRU分配给至少一个频率分区。

9. 发明申请

US20100284482A1 METHOD AND APPARATUS FOR RADIO RESOURCE ALLOCATION IN AN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING COMMUNICATION SYSTEM 有权
标题翻译：正交频分多址通信系统中无线资源分配的方法与装置
公开(公告)号：US20100284482A1
公开(公告)日：2010-11-11
申请号：US12776499
申请日：2010-05-10
申请人： Mark C. Cudak , Amitabha Ghosh , William J. Hillery , Bishwarup Mondal , Anup K. Talukdar , Eugene Visotsky , Frederick W. Vook , Fan Wang
发明人： Mark C. Cudak , Amitabha Ghosh , William J. Hillery , Bishwarup Mondal , Anup K. Talukdar , Eugene Visotsky , Frederick W. Vook , Fan Wang
IPC分类号： H04L5/12
CPC分类号： H04W16/02 , H04L5/0007 , H04L5/0023 , H04L5/0039 , H04L5/0041 , H04L5/0094 , H04W28/16
摘要： In an OFDM communication system, wherein a frequency bandwidth is divided into multiple Physical Resource Units (PRUs), a Frequency Partitioning Configuration Module (FPCM) is provided that configures a physical layer for use in multiple coverage areas. The FPCM divides the PRUs into a first group, for frequency selective allocations, and a second group, for frequency diverse allocations. The FPCM subdivides each of the two groups into multiple sets of PRUs, maps the sets of PRUs from the first group to consecutive PRUs allocated for contiguous segment allocation (CS-PRUs), and maps the sets of PRUs from the second group to consecutive PRUs allocated for distributed segment allocation (DS-PRUs). The FPCM permutes the DS-PRUs and allocates the CS-PRUs and the permuted DS-PRUs to at least one frequency partition.
摘要翻译：在其中将频率带宽划分为多个物理资源单元（PRU）的OFDM通信系统中，提供了配置用于多个覆盖区域的物理层的频率分配配置模块（FPCM）。 FPCM将PRU划分为第一组，用于频率选择性分配，第二组用于频率不同的分配。 FPCM将两组中的每一个细分为多组PRU，将来自第一组的PRU集合映射到为连续分段分配（CS-PRU）分配的连续PRU，并将来自第二组的PRU集合映射到连续PRU 分配给分布式分段分配（DS-PRU）。 FPCM将DS-PRU置换并将CS-PRU和置换的DS-PRU分配给至少一个频率分区。

10. 发明授权

US08537790B2 Hierarchical pilot structure in wireless communication systems 有权
标题翻译：无线通信系统中的分层导频结构
公开(公告)号：US08537790B2
公开(公告)日：2013-09-17
申请号：US12367483
申请日：2009-02-06
申请人： Mark C. Cudak , Timothy A. Thomas , Frederick W. Vook , Anup K. Talukdar , Fan Wang , Bishwarup Mondal
发明人： Mark C. Cudak , Timothy A. Thomas , Frederick W. Vook , Anup K. Talukdar , Fan Wang , Bishwarup Mondal
IPC分类号： H04W4/00
CPC分类号： H04L5/0007 , H04L1/06 , H04L5/005 , H04L5/0051 , H04L5/0053 , H04L25/03248
摘要： A method for communicating control channel information in a wireless communication system, including transmitting a super-frame having a time-frequency resource region containing an allocation control channel and multiple pilot elements, at least some of which are associated with the allocation control channel, and indicating, in a configuration information control channel of the super-frame, a characteristic of the pilots elements associated with the allocation control channel.
摘要翻译：一种用于在无线通信系统中传送控制信道信息的方法，包括发送具有包含分配控制信道的时间 - 频率资源区域和多个导频元素的超帧，其中至少一些与分配控制信道相关联，以及在超帧的配置信息控制信道中指示与分配控制信道相关联的导频元素的特性。

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