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1.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
Applicant: Bruno Clerckx , Jun Il Choi , Taejoon Kim , Obadamilola Aluko , David J. Love
Inventor： Bruno Clerckx , Jun Il Choi , Taejoon Kim , Obadamilola Aluko , David J. Love
CPC classification number: H04L25/03343 , H04B7/0626 , H04L25/0204 , H04L2025/03426 , H04L2025/03808
Abstract: 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.
Abstract translation: 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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2.发明授权Method for codebook design and beamforming vector selection in per-user unitary rate control (PU2RC) system 有权用户单位速率控制（PU2RC）系统中码本设计和波束成形向量选择的方法公开(公告)号：US08787469B2
公开(公告)日：2014-07-22
申请号：US11972397
申请日：2008-01-10
Applicant: Sung Jin Kim , Bruno Clerckx , Seung Young Park , David J. Love , Il Han Kim
Inventor： Sung Jin Kim , Bruno Clerckx , Seung Young Park , David J. Love , Il Han Kim
CPC classification number: H04B7/0417 , H04B7/0619 , H04L5/0023 , H04L5/0025 , H04L25/03343 , H04L2025/03426
Abstract: A base station includes a storage unit to store a codebook, wherein the codebook includes a plurality of matrices; a control unit to perform beamforming using the codebook to generate a signal; and a multi-antenna to transmit the signal. For all of the plurality of matrices, all column vectors of a same matrix of the plurality of matrices are orthogonal to each other. For all columns of the plurality of matrices, all column vectors of a same column of all of the plurality of matrices satisfy a Grassmannian line packing (GLP) criterion.
Abstract translation: 基站包括用于存储码本的存储单元，其中码本包括多个矩阵; 控制单元，用于使用码本来执行波束形成以产生信号; 以及用于发送信号的多天线。 对于所有多个矩阵，多个矩阵中相同矩阵的所有列向量彼此正交。 对于多个矩阵的所有列，所有多个矩阵的所有列的所有列向量满足Grassmannian线填充（GLP）标准。
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3.发明申请METHOD AND APPARATUS FOR OPPORTUNISTIC USER SCHEDULING OF TWO-CELL MULTIPLE USER MIMO 有权用于双小区多用户MIMO的机会用户调度的方法和装置公开(公告)号：US20130336233A1
公开(公告)日：2013-12-19
申请号：US13608538
申请日：2012-09-10
Applicant: Ki-Il KIM , Duck-Dong HWANG , Clerckx BRUNO , Tae-Joon KIM , David J. LOVE
Inventor： Ki-Il KIM , Duck-Dong HWANG , Clerckx BRUNO , Tae-Joon KIM , David J. LOVE
IPC: H04W72/08
CPC classification number: H04W72/082 , H04B7/0452 , H04B7/0606 , H04B7/0617
Abstract: An apparatus and a method for opportunistic user scheduling of two-cell multiple user Multiple Input Multiple Output (MIMO) by a base station, the method comprising: broadcasting signals through random beams to users; and receiving Channel Quality Information (CQI) from best K user set. The CQI is calculated based on all possible combinations of transmit beamforming vectors.
Abstract translation: 一种用于基站的双小区多用户多输入多输出（MIMO）的机会用户调度的装置和方法，所述方法包括：通过随机波束向用户广播信号; 并从最佳K用户集接收信道质量信息（CQI）。 基于发送波束形成向量的所有可能组合来计算CQI。
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4.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
Applicant: Bruno Clerckx , Ki Il Kim , Jun Il Choi , David J. Love , Taejoon Kim
Inventor： Bruno Clerckx , Ki Il Kim , Jun Il Choi , David J. Love , Taejoon Kim
CPC classification number: H04B7/0469 , H04B7/0478 , H04B7/0482 , H04B7/0652
Abstract: 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.
Abstract translation: 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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5.发明授权Apparatus for generating precoding matrix codebook for MIMO system and method of the same 有权用于生成用于MIMO系统的预编码矩阵码本的装置及其方法公开(公告)号：US08238461B2
公开(公告)日：2012-08-07
申请号：US11967556
申请日：2007-12-31
Applicant: Yongxing Zhou , Bruno Clerckx , Goochul Chung , David J. Love , Il Han Kim
Inventor： Yongxing Zhou , Bruno Clerckx , Goochul Chung , David J. Love , Il Han Kim
IPC: H04B7/02
CPC classification number: H04L25/03343 , H04B7/0413 , H04L2025/03426 , H04L2025/03802
Abstract: An apparatus for generating a precoding matrix codebook includes a matrix group generator to generate a first group of unitary matrices based on a vector-based codebook for precoding of a multiple input multiple output (MIMO) communication scheme; a matrix group extender to extend the first group of unitary matrices to generate a second group of unitary matrices; and a matrix group selector to select a group of columns corresponding to a communication rank from each of the unitary matrices that are elements of the second group so that the columns are optimized based on a distance between the columns corresponding to the communication rank.
Abstract translation: 一种用于生成预编码矩阵码本的装置，包括矩阵组生成器，用于基于用于多输入多输出（MIMO）通信方案的预编码的基于矢量的码本生成第一组酉矩阵; 矩阵组扩展器，用于扩展第一组酉矩阵以生成第二组酉矩阵; 以及矩阵组选择器，用于从作为第二组的元素的每个酉矩阵中选择与通信秩对应的一组列，使得根据与通信等级对应的列之间的距离优化列。
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Patent Agency Ranking
6.发明申请MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) COMMUNICATION SYSTEM USING A CODEBOOK AND METHOD OF DESIGNING THE CODEBOOK 有权使用代码的多输入多输出（MIMO）通信系统和设计编码的方法公开(公告)号：US20110164696A1
公开(公告)日：2011-07-07
申请号：US12979479
申请日：2010-12-28
Applicant: Junil Choi , Bruno Clerckx , Ki Il Kim , David J. Love , Tae Joon Kim
Inventor： Junil Choi , Bruno Clerckx , Ki Il Kim , David J. Love , Tae Joon Kim
IPC: H04L27/28
CPC classification number: H04L25/03343 , H04B7/0465 , H04B7/0478 , H04L25/0204 , H04L25/021 , H04L25/0248 , H04L2025/03426 , H04L2025/03808
Abstract: Provided is a multiple input multiple output (MIMO) communication system using a codebook. A transmitter and a receiver included in the MIMO communication system may generate a codebook having a different size for each eigenvector of a channel matrix or a channel covariance matrix, based on eigenvalues of the channel matrix or the channel covariance matrix.
Abstract translation: 提供了使用码本的多输入多输出（MIMO）通信系统。 包括在MIMO通信系统中的发射机和接收机可以基于信道矩阵或信道协方差矩阵的特征值，生成对于信道矩阵或信道协方差矩阵的每个特征向量具有不同大小的码本。
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7.发明授权公开(公告)号：US07916620B2
公开(公告)日：2011-03-29
申请号：US11965576
申请日：2007-12-27
Applicant: Chang Soon Park , Bruno Clerckx , Chun Kin Au Yeung , David J. Love , Seung Young Park , Il Han Kim
Inventor： Chang Soon Park , Bruno Clerckx , Chun Kin Au Yeung , David J. Love , Seung Young Park , Il Han Kim
CPC classification number: H04L5/0023 , H04B7/0452 , H04B7/0617 , H04B7/0636 , H04B7/0639 , H04B7/0689 , H04L5/0037 , H04L5/0062
Abstract: A multi-user data transmission/reception system includes at least one mobile station to receive a pilot signal, select a preferred mode, a preceding matrix index, a beamforming vector index, and a quantized capacity level using the pilot signal, and transmit the preferred mode, the precoding matrix index, the beamforming vector index, and the quantized capacity level; and a base station to transmit the pilot signal to the at least one mobile station, receive the preferred mode, the precoding matrix index, the beamforming vector index, and the quantized capacity level from the at least one mobile station, and determine an optimal mode, an optimal precoding matrix, and an optimal beamforming vector using a lookup table storing an expected capacity for each capacity quantization interval.
Abstract translation: 多用户数据发送/接收系统包括用于接收导频信号的至少一个移动站，使用导频信号选择优选模式，前一矩阵索引，波束成形向量索引和量化容量级别，并且发送优选的 模式，预编码矩阵索引，波束成形向量索引和量化容量级别; 以及基站，用于向所述至少一个移动站发送所述导频信号，从所述至少一个移动台接收所述优选模式，所述预编码矩阵索引，所述波束成形向量索引和所述量化容量级别，并且确定最佳模式 ，最优预编码矩阵以及使用存储每个容量量化间隔的预期容量的查找表的最优波束成形向量。
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8.发明申请USER TERMINAL AND BASE STATION USING ADAPTED CODEBOOK ACCORDING TO POLARIZATION 有权根据极化使用适配代码的用户终端和基站公开(公告)号：US20100045494A1
公开(公告)日：2010-02-25
申请号：US12193913
申请日：2008-08-19
Applicant: Bruno CLERCKX , Sung Jin KIM , Ki Il KIM , David J. LOVE , Taejoon KIM
Inventor： Bruno CLERCKX , Sung Jin KIM , Ki Il KIM , David J. LOVE , Taejoon KIM
IPC: H03M7/00
CPC classification number: H04B7/0634 , H04B7/0434 , H04B7/0469 , H04B7/0617 , H04B7/10
Abstract: 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.
Abstract translation: 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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9.发明申请MULTIPLE ANTENNA COMMUNICATION SYSTEM INCLUDING ADAPTIVE UPDATING AND CHANGING OF CODEBOOKS 有权多种天线通信系统，包括适应性更新和更改代码公开(公告)号：US20090268840A1
公开(公告)日：2009-10-29
申请号：US12429937
申请日：2009-04-24
Applicant: Bruno CLERCKX , Sung Jin KIM , Ki ll KIM , David J. LOVE , Taejoon KIM
Inventor： Bruno CLERCKX , Sung Jin KIM , Ki ll KIM , David J. LOVE , Taejoon KIM
IPC: H04B7/02
CPC classification number: H04B7/0417
Abstract: 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.
Abstract translation: 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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10.发明申请METHOD FOR CODEBOOK DESIGN AND BEAMFORMING VECTOR SELECTION IN PER-USER UNITARY RATE CONTROL (PU2RC) SYSTEM 有权用户单位速率控制（PU2RC）系统中的代码设计和波导选择方法公开(公告)号：US20080247475A1
公开(公告)日：2008-10-09
申请号：US11972397
申请日：2008-01-10
Applicant: Sung Jin KIM , Bruno Clerckx , Seung Young Park , David J. Love , Il Han Kim
Inventor： Sung Jin KIM , Bruno Clerckx , Seung Young Park , David J. Love , Il Han Kim
IPC: H04L27/28
CPC classification number: H04B7/0417 , H04B7/0619 , H04L5/0023 , H04L5/0025 , H04L25/03343 , H04L2025/03426
Abstract: A base station includes a storage unit to store a codebook, wherein the codebook includes a plurality of matrices; a control unit to perform beamforming using the codebook to generate a signal; and a multi-antenna to transmit the signal. For all of the plurality of matrices, all column vectors of a same matrix of the plurality of matrices are orthogonal to each other. For all columns of the plurality of matrices, all column vectors of a same column of all of the plurality of matrices satisfy a Grassmannian line packing (GLP) criterion.
Abstract translation: 基站包括用于存储码本的存储单元，其中码本包括多个矩阵; 控制单元，用于使用码本来执行波束形成以产生信号; 以及用于发送信号的多天线。 对于所有多个矩阵，多个矩阵中相同矩阵的所有列向量彼此正交。 对于多个矩阵的所有列，所有多个矩阵的所有列的所有列向量满足Grassmannian线填充（GLP）标准。
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