公开(公告)号：US08279960B2

公开(公告)日：2012-10-02

申请号：US12107265

申请日：2008-04-22

申请人： Jun Mo Kim ,  Chang Soon Park ,  Ki-Hong Park ,  Young-Chai Ko ,  Jung Hoon Suh ,  Sung Jin Kim

发明人： Jun Mo Kim ,  Chang Soon Park ,  Ki-Hong Park ,  Young-Chai Ko ,  Jung Hoon Suh ,  Sung Jin Kim

IPC分类号： H04L1/02

CPC分类号： H04B7/0691 ,  H04B7/0452

摘要： A Multiple-Input Multiple-Output (MIMO) communication system and method. The MIMO communication system includes: an antenna number determination unit to determine a number of active antennas among a plurality of transmitting antennas based on a power of a transmission signal wherein the number of active antennas is at least one and the at least one active antenna transmits the transmission signal; and a beam generator to generate the transmission signal corresponding to the number of active antennas by using channel information wherein the channel information is fed back from each of a plurality of user terminals.

摘要翻译： 多输入多输出（MIMO）通信系统和方法。 MIMO通信系统包括：天线号码确定单元，用于基于传输信号的功率确定多个发射天线中的有效天线的数量，其中有源天线的数量至少为1，并且所述至少一个有源天线发射 传输信号; 以及波束发生器，用于通过使用其中从多个用户终端中的每一个反馈信道信息的信道信息来生成与有效天线数量相对应的发送信号。

公开(公告)号：US08055192B2

公开(公告)日：2011-11-08

申请号：US12135600

申请日：2008-06-09

申请人： Chang Soon Park ,  Jun Mo Kim ,  Sung Jin Kim

发明人： Chang Soon Park ,  Jun Mo Kim ,  Sung Jin Kim

IPC分类号： H04B17/00 ,  H04B1/00

CPC分类号： H04B7/0417 ,  H04B7/0626 ,  H04B7/0632 ,  H04B7/0639

摘要： Provided is a receiver for feeding back channel information, which includes a channel vector measuring unit to measure channel vectors corresponding to a plurality of receiving antennas, respectively, that receive a plurality of data streams, a candidate codebook vector selecting unit to select at least two candidate codebook vectors from codebook vectors included in a codebook, by considering a quantization error based on the channel vectors with respect to each of the data streams, and a selection codebook vector determining unit to determine selection codebook vectors corresponding to the plurality of data streams respectively from the at least two candidate codebook vectors, based on a signal-to-interference and noise ratio (SINR) of each of the data streams that is calculated according to each of the candidate codebook vectors.

摘要翻译： 提供了一种用于反馈信道信息的接收机，其包括：信道矢量测量单元，用于分别测量接收多个数据流的与多个接收天线相对应的信道矢量;候选码本矢量选择单元，用于选择至少两个 通过考虑基于相对于每个数据流的信道向量的量化误差，以及选择码本矢量确定单元，分别确定与多个数据流相对应的选择码本矢量，从包括在码本中的码本向量的候选码本向量 基于根据候选码本矢量中的每一个计算的每个数据流的信号与干扰和噪声比（SINR），从所述至少两个候选码本向量。

公开(公告)号：US08811267B2

公开(公告)日：2014-08-19

申请号：US12190667

申请日：2008-08-13

申请人： Jun Mo Kim ,  Chang Soon Park ,  Duck Dong Hwang ,  Sung Jin Kim ,  Pramod Viswanath

发明人： Jun Mo Kim ,  Chang Soon Park ,  Duck Dong Hwang ,  Sung Jin Kim ,  Pramod Viswanath

IPC分类号： H04B7/204

CPC分类号： H04W72/046 ,  H04B7/0452 ,  H04B7/0617 ,  H04B7/0695 ,  H04L5/0037 ,  H04L5/0044 ,  H04W16/28 ,  H04W72/087 ,  H04W72/121

摘要： A communication system for supporting a primary user and a secondary user is provided. A base station of a communication system, includes a scheduler to group at least one primary user and at least one secondary user corresponding to each of the at least one primary user according to characteristics of services desired by users, a superposition coding unit to perform superposition coding for primary data associated with the at least one primary user and secondary data associated with the at least one secondary user to generate a transmission data stream, and a beamformer to perform beamforming for the transmission data stream.

摘要翻译： 提供了用于支持主用户和次用户的通信系统。 通信系统的基站包括调度器，用于根据用户期望的业务的特性对至少一个主用户和对应于至少一个主用户中的每一个的至少一个次用户进行分组，叠加编码单元执行叠加 编码与所述至少一个主用户相关联的主要数据和与所述至少一个次要用户相关联的次要数据以生成传输数据流;以及波束形成器，用于为所述传输数据流执行波束成形。

公开(公告)号：US20090004986A1

公开(公告)日：2009-01-01

申请号：US12135600

申请日：2008-06-09

申请人： Chang Soon PARK ,  Jun Mo Kim ,  Sung Jin Kim

发明人： Chang Soon PARK ,  Jun Mo Kim ,  Sung Jin Kim

IPC分类号： H04B17/00

CPC分类号： H04B7/0417 ,  H04B7/0626 ,  H04B7/0632 ,  H04B7/0639

摘要： Provided is a receiver for feeding back channel information, which includes a channel vector measuring unit to measure channel vectors corresponding to a plurality of receiving antennas, respectively, that receive a plurality of data streams, a candidate codebook vector selecting unit to select at least two candidate codebook vectors from codebook vectors included in a codebook, by considering a quantization error based on the channel vectors with respect to each of the data streams, and a selection codebook vector determining unit to determine selection codebook vectors corresponding to the plurality of data streams respectively from the at least two candidate codebook vectors, based on a signal-to-interference and noise ratio (SINR) of each of the data streams that is calculated according to each of the candidate codebook vectors.

摘要翻译： 提供了一种用于反馈信道信息的接收机，其包括：信道矢量测量单元，用于分别测量接收多个数据流的与多个接收天线相对应的信道矢量;候选码本矢量选择单元，用于选择至少两个 通过考虑基于相对于每个数据流的信道向量的量化误差，以及选择码本矢量确定单元，分别确定与多个数据流相对应的选择码本矢量，从包括在码本中的码本向量的候选码本向量 基于根据候选码本矢量中的每一个计算的每个数据流的信号与干扰和噪声比（SINR），从所述至少两个候选码本向量。

公开(公告)号：US08045497B2

公开(公告)日：2011-10-25

申请号：US12112056

申请日：2008-04-30

申请人： Ki Il Kim ,  Byung Chang Kang ,  Sung Jin Kim ,  Jun Mo Kim

发明人： Ki Il Kim ,  Byung Chang Kang ,  Sung Jin Kim ,  Jun Mo Kim

IPC分类号： H04J3/08

CPC分类号： H04W72/085 ,  H04B7/15592 ,  H04W16/26 ,  H04W16/28 ,  H04W84/047

摘要： A system for allocating a wireless resource for a Space Division Multiple Access (SDMA) communication is provided. The system for allocating the wireless resource for the SDMA communication includes: a channel state recognition unit to recognize a channel state of wireless channels generated among adjacent nodes including a source node, a relay node, and a destination node; and a wireless resource allocation unit to control at least one of an amount of channel state information fed back from the destination node to the source node, and a relay level of a relay signal, the relay signal being generated by relaying a source signal transmitted from the source node, according to the channel state.

摘要翻译： 提供了一种用于分配用于空分多址（SDMA）通信的无线资源的系统。 用于分配用于SDMA通信的无线资源的系统包括：信道状态识别单元，用于识别在包括源节点，中继节点和目的地节点的相邻节点之间生成的无线信道的信道状态; 以及无线资源分配单元，用于控制从目的地节点向源节点反馈的信道状态信息的量和继电器信号的中继电平中的至少一个，所述中继信号是通过中继从 源节点，根据信道状态。

公开(公告)号：US20090010215A1

公开(公告)日：2009-01-08

申请号：US12112056

申请日：2008-04-30

申请人： Ki Il KIM ,  Byung Chang Kang ,  Sung Jin Kim ,  Jun Mo Kim

发明人： Ki Il KIM ,  Byung Chang Kang ,  Sung Jin Kim ,  Jun Mo Kim

IPC分类号： H04Q7/00

CPC分类号： H04W72/085 ,  H04B7/15592 ,  H04W16/26 ,  H04W16/28 ,  H04W84/047

摘要： A system for allocating a wireless resource for a Space Division Multiple Access (SDMA) communication is provided. The system for allocating the wireless resource for the SDMA communication includes: a channel state recognition unit to recognize a channel state of wireless channels generated among adjacent nodes including a source node, a relay node, and a destination node; and a wireless resource allocation unit to control at least one of an amount of channel state information fed back from the destination node to the source node, and a relay level of a relay signal, the relay signal being generated by relaying a source signal transmitted from the source node, according to the channel state.

摘要翻译： 提供了一种用于分配用于空分多址（SDMA）通信的无线资源的系统。 用于分配用于SDMA通信的无线资源的系统包括：信道状态识别单元，用于识别在包括源节点，中继节点和目的地节点的相邻节点之间生成的无线信道的信道状态; 以及无线资源分配单元，用于控制从目的地节点向源节点反馈的信道状态信息的量和继电器信号的中继电平中的至少一个，所述中继信号是通过中继从 源节点，根据信道状态。