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1.发明授权Method of generating adaptive codebook and multiple input multiple output communication system using the adaptive codebook 有权使用自适应码本生成自适应码本和多输入多输出通信系统的方法公开(公告)号：US08724728B2
公开(公告)日：2014-05-13
申请号：US12957964
申请日：2010-12-01
申请人： Jun Il Choi , Bruno Clerckx , Ki Il Kim , David J. Love , Taejoon Kim
发明人： Jun Il Choi , Bruno Clerckx , Ki Il Kim , David J. Love , Taejoon Kim
IPC分类号： H04B7/02
CPC分类号： H04B7/0482 , H04B7/0619 , H04B7/0641
摘要： Provided is a method of generating an adaptive codebook and a multiple input multiple output (MIMO) communication system using the adaptive codebook. A transmitter and a receiver may generate, from a base codebook based on a matrix associated with statistics of a channel matrix, the adaptive codebook maintaining a unitary characteristic. The transmitter may perform scheduling, transmit filter design, and precoding using adaptive codebook based feedback information.
摘要翻译： 提供了一种使用自适应码本生成自适应码本和多输入多输出（MIMO）通信系统的方法。 发射机和接收机可以基于与信道矩阵的统计相关联的矩阵从基础码本生成维持单一特性的自适应码本。 发射机可以使用基于自适应码本的反馈信息来执行调度，发射滤波器设计和预编码。
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2.发明申请METHOD OF GENERATING ADAPTIVE CODEBOOK AND MULTIPLE INPUT MULTIPLE OUTPUT COMMUNICATION SYSTEM USING THE ADAPTIVE CODEBOOK 有权使用自适应代码生成自适应代码和多输入多输出通信系统的方法公开(公告)号：US20120140834A1
公开(公告)日：2012-06-07
申请号：US12957964
申请日：2010-12-01
申请人： Jun Il Choi , Bruno Clerckx , Ki Il Kim , David J. Love , Taejoon Kim
发明人： Jun Il Choi , Bruno Clerckx , Ki Il Kim , David J. Love , Taejoon Kim
IPC分类号： H04L27/28
CPC分类号： H04B7/0482 , H04B7/0619 , H04B7/0641
摘要： Provided is a method of generating an adaptive codebook and a multiple input multiple output (MIMO) communication system using the adaptive codebook. A transmitter and a receiver may generate, from a base codebook based on a matrix associated with statistics of a channel matrix, the adaptive codebook maintaining a unitary characteristic. The transmitter may perform scheduling, transmit filter design, and precoding using adaptive codebook based feedback information.
摘要翻译： 提供了一种使用自适应码本生成自适应码本和多输入多输出（MIMO）通信系统的方法。 发射机和接收机可以基于与信道矩阵的统计相关联的矩阵从基础码本生成维持单一特性的自适应码本。 发射机可以使用基于自适应码本的反馈信息来执行调度，发射滤波器设计和预编码。
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3.发明授权公开(公告)号：US08477663B2
公开(公告)日：2013-07-02
申请号：US12791841
申请日：2010-06-01
申请人： Bruno Clerckx , Ki Il Kim , Jun Il Choi , David J. Love , Taejoon Kim
发明人： Bruno Clerckx , Ki Il Kim , Jun Il Choi , David J. Love , Taejoon Kim
CPC分类号： H04B7/0469 , H04B7/0478 , H04B7/0482 , H04B7/0652
摘要： A multiple input multiple output (MIMO) communication system and communication method of configuring a codebook are provided. A channel may be formed between a transmitter and a receiver, and a cross-polarization discrimination value (XPD) may be detected. The XPD may vary based on a location of the transmitter and the receiver, a mobility thereof, or a peripheral environment, among other factors. The codebook may be configured based on the XPD.
摘要翻译： 提供了多输入多输出（MIMO）通信系统和配置码本的通信方法。 可以在发射机和接收机之间形成信道，并且可以检测交叉极化鉴别值（XPD）。 除了其他因素之外，XPD可以基于发射器和接收器的位置，其移动性或外围环境而变化。 码本可以基于XPD进行配置。
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4.发明授权Multiple antenna communication system including adaptive updating and changing of codebooks 有权多天线通信系统包括自适应更新和码本的改变公开(公告)号：US08498358B2
公开(公告)日：2013-07-30
申请号：US12429937
申请日：2009-04-24
申请人： Bruno Clerckx , Sung Jin Kim , Ki Il Kim , David J. Love , Taejoon Kim
发明人： Bruno Clerckx , Sung Jin Kim , Ki Il Kim , David J. Love , Taejoon Kim
IPC分类号： H04B7/02
CPC分类号： H04B7/0417
摘要： Communication between a base station with multiple transmission antennas and a mobile station is provided. The base station and the mobile station may recognize or estimate, respectively, a channel between the base station and the mobile station, and update a previous codebook with a new codebook based on a variation of the channel. In this instance, the mobile station may provide feedback information to the base station using the new codebook, and the base station may generate a transmission signal for the mobile station using the new codebook and the feedback information.
摘要翻译： 提供了具有多个发送天线的基站与移动台之间的通信。 基站和移动台可以分别识别或估计基站和移动站之间的信道，并且基于信道的变化用新码本更新先前的码本。 在这种情况下，移动台可以使用新的码本向基站提供反馈信息，并且基站可以使用新的码本和反馈信息来生成针对移动台的发送信号。
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公开(公告)号：US08160125B2
公开(公告)日：2012-04-17
申请号：US12109440
申请日：2008-04-25
申请人： Bruno Clerckx , Sung Jin Kim , Ki Il Kim , David J. Love , Taejoon Kim
发明人： Bruno Clerckx , Sung Jin Kim , Ki Il Kim , David J. Love , Taejoon Kim
CPC分类号： H04B7/0639
摘要： A system is provided for performing downlink beamforming based on information fed back by a mobile station. The mobile station includes a channel matrix generation unit to generate a channel matrix with respect to channels ranging from a base station to a mobile station, the base station including multiple transmission antennas, a codebook updating unit to generate a second codebook including a plurality of second codeword matrixes based on the generated channel matrix and a first codebook including a plurality of first codeword matrixes, a codeword selection unit to select at least one transmission codeword matrix from among the plurality of second codeword matrixes, a transmission unit to transmit an index of the selected transmission codeword matrix to the base station, and a receiving unit to receive data transmitted from the base station via the multiple transmission antennas.
摘要翻译： 提供一种用于基于由移动台反馈的信息来执行下行链路波束成形的系统。 移动站包括：信道矩阵生成单元，生成相对于从基站到移动站的信道的信道矩阵，所述基站包括多个发送天线，码本更新单元，生成包含多个秒的第二码本 基于生成的信道矩阵的码字矩阵和包括多个第一码字矩阵的第一码本，从所述多个第二码字矩阵中选择至少一个发送码字矩阵的码字选择单元，发送所述多个第一码字矩阵的索引的发送单元， 所选择的发送码字矩阵到基站，接收单元经由多个发送天线接收从基站发送的数据。
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6.发明授权User terminal and base station using adapted codebook according to polarization 有权用户终端和基站根据极化使用适配码本公开(公告)号：US07764746B2
公开(公告)日：2010-07-27
申请号：US12193913
申请日：2008-08-19
申请人： Bruno Clerckx , Sung Jin Kim , Ki Il Kim , David J. Love , Taejoon Kim
发明人： Bruno Clerckx , Sung Jin Kim , Ki Il Kim , David J. Love , Taejoon Kim
IPC分类号： H04B7/02
CPC分类号： H04B7/0634 , H04B7/0434 , H04B7/0469 , H04B7/0617 , H04B7/10
摘要： A terminal and a base station using an adaptive codebook for a polarization are provided. The terminal includes a rotation matrix generator to generate rotation matrices corresponding to a cross polarization discrimination value (XPD) of a transmission signal and a codebook generator to generate a codebook including result matrices that are generated based on pre-stored block diagonal matrices and the rotation matrices.
摘要翻译： 提供了使用偏振自适应码本的终端和基站。 终端包括旋转矩阵发生器，用于产生与发送信号的交叉极化判别值（XPD）相对应的旋转矩阵和码本生成器，以生成包括基于预先存储的块对角矩阵生成的结果矩阵的码本，并且旋转 矩阵。
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7.发明申请METHOD AND APPARATUS FOR SHARING CHANNEL STATE INFORMATION (CSI) IN A MULTIPLE-USER MULTIPLE-INPUT MULTIPLE-OUTPUT (MU-MIMO) ENVIRONMENT 有权用于在多用户多输入多输出（MU-MIMO）环境中共享信道状态信息（CSI）的方法和装置公开(公告)号：US20110222625A1
公开(公告)日：2011-09-15
申请号：US12982329
申请日：2010-12-30
申请人： Bruno Clerckx , Jun Il Choi , Taejoon Kim , Obadamilola Aluko , David J. Love
发明人： Bruno Clerckx , Jun Il Choi , Taejoon Kim , Obadamilola Aluko , David J. Love
IPC分类号： H04L27/00
CPC分类号： H04L25/03343 , H04B7/0626 , H04L25/0204 , H04L2025/03426 , H04L2025/03808
摘要： Provided is a channel state information (CSI) sharing method and apparatus in a Multiple User Multiple Input Multiple Output (MU-MIMO) environment. Each node may use network-coding to reduce overhead necessary for sharing CSI between all nodes in the MU-MIMO environment. A transmitter may dynamically select, based on the CSI between receivers, a path used for transmitting data to each receiver and a receiver to be used as a relay based on the global CSI. A decoding performance may be improved based on the CSI between the transmitter and the receivers.
摘要翻译： 提供了一种多用户多输入多输出（MU-MIMO）环境中的信道状态信息（CSI）共享方法和装置。 每个节点可以使用网络编码来减少在MU-MIMO环境中的所有节点之间共享CSI所需的开销。 发射机可以基于接收机之间的CSI动态地选择用于向每个接收机发送数据的路径和基于全局CSI用作中继的接收机。 可以基于发射机和接收机之间的CSI来改进解码性能。
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8.发明授权Method and apparatus for sharing channel state information (CSI) in a multiple-user multiple-input multiple-output (MU-MIMO) environment 有权在多用户多输入多输出（MU-MIMO）环境中共享信道状态信息（CSI）的方法和装置公开(公告)号：US08976850B2
公开(公告)日：2015-03-10
申请号：US12982329
申请日：2010-12-30
申请人： Bruno Clerckx , Jun Il Choi , Taejoon Kim , Obadamilola Aluko , David J. Love
发明人： Bruno Clerckx , Jun Il Choi , Taejoon Kim , Obadamilola Aluko , David J. Love
CPC分类号： H04L25/03343 , H04B7/0626 , H04L25/0204 , H04L2025/03426 , H04L2025/03808
摘要： Provided is a channel state information (CSI) sharing method and apparatus in a Multiple User Multiple Input Multiple Output (MU-MIMO) environment. Each node may use network-coding to reduce overhead necessary for sharing CSI between all nodes in the MU-MIMO environment. A transmitter may dynamically select, based on the CSI between receivers, a path used for transmitting data to each receiver and a receiver to be used as a relay based on the global CSI. A decoding performance may be improved based on the CSI between the transmitter and the receivers.
摘要翻译： 提供了一种多用户多输入多输出（MU-MIMO）环境中的信道状态信息（CSI）共享方法和装置。 每个节点可以使用网络编码来减少在MU-MIMO环境中的所有节点之间共享CSI所需的开销。 发射机可以基于接收机之间的CSI动态地选择用于向每个接收机发送数据的路径和基于全局CSI用作中继的接收机。 可以基于发射机和接收机之间的CSI来改进解码性能。
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9.发明申请METHOD AND APPARATUS FOR FEEDBACK IN MULTI-USER MULTIPLE-INPUT MULTIPLE-OUTPUT (MU-MIMO) COMMUNICATION SYSTEM 有权用于多用户多输入多输出（MU-MIMO）通信系统中的反馈的方法和装置公开(公告)号：US20120106470A1
公开(公告)日：2012-05-03
申请号：US13248166
申请日：2011-09-29
申请人： Bruno Clerckx , Jun Il Choi , Ki Il Kim
发明人： Bruno Clerckx , Jun Il Choi , Ki Il Kim
IPC分类号： H04W72/04
CPC分类号： H04L5/0057 , H04B7/0417 , H04B7/0452 , H04B7/0456 , H04B7/0486 , H04B7/063 , H04B7/0632 , H04B7/0639 , H04B7/065 , H04L1/0026 , H04L1/0031 , H04L1/0036 , H04L25/03343 , H04L2025/03426 , H04L2025/03802 , H04W24/10 , H04W72/0413
摘要： Provided is a feedback method and apparatus in a multiple-input multiple-output (MIMO) communication system. A terminal may determine a preferred pre-coding matrix for a neighboring terminal, based on a reference rank determined by a base station and a preferred pre-coding matrix of the terminal. The terminal may calculate a channel quality indicator (CQI) based on the preferred precoding matrix for the neighboring terminal, and may feed the CQI back to the base station.
摘要翻译： 提供了一种在多输入多输出（MIMO）通信系统中的反馈方法和装置。 终端可以基于由基站确定的参考秩和终端的优选预编码矩阵来确定相邻终端的优选预编码矩阵。 终端可以基于相邻终端的优选预编码矩阵来计算信道质量指示符（CQI），并且可以将CQI馈送给基站。
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10.发明申请UNIFIED FEEDBACK FRAME FOR SUPPORTING A PLURALITY OF FEEDBACK MODES AND A MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) COMMUNICATION SYSTEM USING THE UNIFIED FEEDBACK FRAME 有权用于支持多种反馈模式的统一反馈帧和使用统一的反馈帧的多输入多输出（MIMO）通信系统公开(公告)号：US20110194631A1
公开(公告)日：2011-08-11
申请号：US13018502
申请日：2011-02-01
申请人： Bruno Clerckx , Ki Il Kim , Jun Il Choi , Jin Kyu Han
发明人： Bruno Clerckx , Ki Il Kim , Jun Il Choi , Jin Kyu Han
IPC分类号： H04L27/28
CPC分类号： H04L25/03343 , H04B7/0478 , H04B7/0634 , H04B7/066 , H04B7/0663 , H04L2025/03426 , H04L2025/03808
摘要： Provided is a multiple-input multiple-output (MIMO) communication system that may provide a plurality of feedback modes. A receiver may feed back, to a transmitter, a base codeword indicator indicating one of base codewords included in the base codebook, a differential codeword indicator indicating one of differential codewords included in the differential codebook, and/or a correlation codeword indicator indicating one of correlation codewords included in the correlation codebook. The transmitter may generate a precoding matrix using at least one of the base codeword indicator, the differential codeword indicator, and the correlation codeword indicator.
摘要翻译： 提供了可以提供多个反馈模式的多输入多输出（MIMO）通信系统。 接收机可以向发射机反馈指示包括在基本码本中的基本码字之一的基本码字指示符，指示包括在差分码本中的差分码字之一的差分码字指示符和/或指示其中之一的相关码字指示符 包括在相关码本中的相关码字。 发射机可以使用基本码字指示符，差分码字指示符和相关码字指示符中的至少一个来生成预编码矩阵。
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