公开(公告)号：US07933312B2

公开(公告)日：2011-04-26

申请号：US11769481

申请日：2007-06-27

申请人： Joonsuk Kim ,  Sirikiat Ariyavisitakul

发明人： Joonsuk Kim ,  Sirikiat Ariyavisitakul

IPC分类号： H04B1/00

CPC分类号： H04B7/0617 ,  H04B7/0634 ,  H04L1/0606 ,  H04L1/0643 ,  H04L5/0023 ,  H04L5/006 ,  H04L25/0204 ,  H04L25/03178 ,  H04L25/03343 ,  H04L25/03866 ,  H04L2025/03414 ,  H04L2025/03426 ,  H04L2025/03802

摘要： Aspects of a method and system for reconfigurable SFBC/STBC in a diversity transmission system are presented. Exemplary aspects of the system may include one or more circuits that enable generation of a plurality of codeword sequences based on a data sequence. In a diversity transmission system, the plurality of codeword sequences may be concurrently transmitted via at least a portion of a plurality of transmitting antennas. The concurrently transmitted codeword sequences may enable a diversity receiver to generate the data sequence. In a single input single output transmission system, one or more circuits may enable transmission of one of the plurality of codeword sequences via one of the plurality of transmitting antennas. The transmitted codeword sequence may enable a receiver to generate the data sequence.

摘要翻译： 提出了一种分集传输系统中可重构SFBC / STBC的方法和系统。 系统的示例性方面可以包括能够基于数据序列生成多个码字序列的一个或多个电路。 在分集传输系统中，多个码字序列可以经由多个发射天线的至少一部分同时发射。 同时发送的码字序列可以使得分集接收机能够生成数据序列。 在单输入单输出传输系统中，一个或多个电路可以经由多个发射天线之一来实现多个码字序列之一的传输。 发送的码字序列可以使得接收机能够生成数据序列。

公开(公告)号：US08098755B2

公开(公告)日：2012-01-17

申请号：US12190272

申请日：2008-08-12

申请人： Joonsuk Kim ,  Sirikiat Ariyavisitakul

发明人： Joonsuk Kim ,  Sirikiat Ariyavisitakul

IPC分类号： H04B7/02

CPC分类号： H04L25/03343 ,  H04L1/0026 ,  H04L1/0618 ,  H04L2025/03426 ,  H04L2025/03802

摘要： A method and system for beamforming in a multiple user multiple input multiple output (MIMO) communication system using a codebook may include a processor in a node B that enables generation of an interference cancellation matrix (WR). The interference cancellation matrix, also referred to as a matched filter, may enable a composite signal (Y) to be represented as a plurality of subsidiary signals (yi), each of which is transmitted by the node B for reception at a corresponding ith UE station. Each of the subsidiary signals yi may be generated based on a corresponding one of a plurality of data stream signals (xi). The processor may enable generation of a precoding matrix (WT) based on the interference cancellation matrix. A transmitter within the node B may enable generation of a plurality of signals based on the preceding matrix. The signals may be transmitted via a wireless communication medium.

摘要翻译： 在使用码本的多用户多输入多输出（MIMO）通信系统中的波束成形的方法和系统可以包括能够产生干扰消除矩阵（WR）的节点B中的处理器。 也称为匹配滤波器的干扰消除矩阵可以使得复合信号（Y）能够被表示为多个辅助信号（yi），每个辅助信号由节点B发送以在对应的第i个UE处接收 站。 辅助信号yi中的每一个可以基于多个数据流信号（xi）中的对应的一个生成。 处理器可以使得能够基于干扰消除矩阵生成预编码矩阵（WT）。 节点B内的发射机可以使得能够基于先前的矩阵生成多个信号。 信号可以经由无线通信介质发送。

公开(公告)号：US20080253478A1

公开(公告)日：2008-10-16

申请号：US11769481

申请日：2007-06-27

申请人： Joonsuk Kim ,  Sirikiat Ariyavisitakul

发明人： Joonsuk Kim ,  Sirikiat Ariyavisitakul

IPC分类号： H04L27/04

CPC分类号： H04B7/0617 ,  H04B7/0634 ,  H04L1/0606 ,  H04L1/0643 ,  H04L5/0023 ,  H04L5/006 ,  H04L25/0204 ,  H04L25/03178 ,  H04L25/03343 ,  H04L25/03866 ,  H04L2025/03414 ,  H04L2025/03426 ,  H04L2025/03802

摘要： Aspects of a method and system for reconfigurable SFBC/STBC in a diversity transmission system are presented. Exemplary aspects of the system may include one or more circuits that enable generation of a plurality of codeword sequences based on a data sequence. In a diversity transmission system, the plurality of codeword sequences may be concurrently transmitted via at least a portion of a plurality of transmitting antennas. The concurrently transmitted codeword sequences may enable a diversity receiver to generate the data sequence. In a single input single output transmission system, one or more circuits may enable transmission of one of the plurality of codeword sequences via one of the plurality of transmitting antennas. The transmitted codeword sequence may enable a receiver to generate the data sequence.

摘要翻译： 提出了一种分集传输系统中可重构SFBC / STBC的方法和系统。 系统的示例性方面可以包括能够基于数据序列生成多个码字序列的一个或多个电路。 在分集传输系统中，多个码字序列可以经由多个发射天线的至少一部分同时发射。 同时发送的码字序列可以使得分集接收机能够生成数据序列。 在单输入单输出传输系统中，一个或多个电路可以经由多个发射天线之一来实现多个码字序列之一的传输。 发送的码字序列可以使得接收机能够生成数据序列。

公开(公告)号：US20120106603A1

公开(公告)日：2012-05-03

申请号：US13349282

申请日：2012-01-12

申请人： Joonsuk Kim ,  Sirikiat Ariyavisitakul

发明人： Joonsuk Kim ,  Sirikiat Ariyavisitakul

IPC分类号： H04B1/38

CPC分类号： H04L25/03343 ,  H04L1/0026 ,  H04L1/0618 ,  H04L2025/03426 ,  H04L2025/03802

摘要： A method and system for beamforming in a multiple user multiple input multiple output (MIMO) communication system using a codebook may include a processor in a node B that enables generation of an interference cancellation matrix (WR). The interference cancellation matrix, also referred to as a matched filter, may enable a composite signal (Y) to be represented as a plurality of subsidiary signals (yi), each of which is transmitted by the node B for reception at a corresponding ith UE station. Each of the subsidiary signals yi may be generated based on a corresponding one of a plurality of data stream signals (xi). The processor may enable generation of a precoding matrix (WT) based on the interference cancellation matrix. A transmitter within the node B may enable generation of a plurality of signals based on the precoding matrix. The signals may be transmitted via a wireless communication medium.

摘要翻译： 在使用码本的多用户多输入多输出（MIMO）通信系统中的波束成形的方法和系统可以包括能够产生干扰消除矩阵（WR）的节点B中的处理器。 也称为匹配滤波器的干扰消除矩阵可以使得复合信号（Y）能够被表示为多个辅助信号（yi），每个辅助信号由节点B发送以在对应的第i个UE处接收 站。 辅助信号yi中的每一个可以基于多个数据流信号（xi）中的对应的一个生成。 处理器可以使得能够基于干扰消除矩阵生成预编码矩阵（WT）。 节点B内的发射机可以使得能够基于预编码矩阵生成多个信号。 信号可以经由无线通信介质发送。

公开(公告)号：US20070258536A1

公开(公告)日：2007-11-08

申请号：US11417688

申请日：2006-05-04

申请人： Joonsuk Kim ,  Sirikiat Ariyavisitakul ,  Eric Ojard

发明人： Joonsuk Kim ,  Sirikiat Ariyavisitakul ,  Eric Ojard

IPC分类号： H04L1/02

CPC分类号： H04L1/0656 ,  H04B7/0426 ,  H04L1/0631 ,  H04L25/0206 ,  H04L27/2647 ,  H04L2025/03426

摘要： Aspects of a method and system for reordered QRV-LST (layered space time) detection for efficient processing for multiple input multiple output (MIMO) communication systems are presented. The method may include receiving an ordered plurality of signals wherein each of the ordered plurality of received signals comprises information contained in an ordered plurality of spatial streams. Each spatial stream may comprise one or more frequency carriers, or tones. Information, or data, contained in a corresponding one of the ordered plurality of spatial streams may be detected. The order in which the information is detected may be determined for each individual frequency carrier.

摘要翻译： 提出了用于多输入多输出（MIMO）通信系统的有效处理的重新排序的QRV-LST（分层时空）检测方法和系统的方面。 该方法可以包括接收有序多个信号，其中有序多个接收信号中的每一个包括包含在有序多个空间流中的信息。 每个空间流可以包括一个或多个频率载波或音调。 可以检测包含在有序多个空间流中的对应的一个空间流中的信息或数据。 可以针对每个单独的频率载波确定检测信息的顺序。

公开(公告)号：US08254507B2

公开(公告)日：2012-08-28

申请号：US11864611

申请日：2007-09-28

申请人： Joonsuk Kim ,  Sirikiat Ariyavisitakul ,  Nambirajan Seshadri

发明人： Joonsuk Kim ,  Sirikiat Ariyavisitakul ,  Nambirajan Seshadri

IPC分类号： H04B7/10

CPC分类号： H04B7/0634 ,  H04B7/0669 ,  H04B7/068 ,  H04B7/0891 ,  H04L1/0003 ,  H04L1/04 ,  H04L1/0675 ,  H04L5/0007 ,  H04L5/0053 ,  H04L25/0224

摘要： Aspects of a system for STBC/SFBC in a communication system using angle feedback may include a receiver, which enables reception of signals via a plurality of receiving antennas. The receiver may enable computation of a rotation factor value based on the received signals and utilization of the computed rotation factor value to receive subsequent signals via the plurality of receiving antennas. The received signals may comprise preamble data. The receiver may enable computation of channel estimate values based on the received preamble data. A rotation angle value may be computed based on the computed channel estimate values. The rotation factor value may be computed based on the computed rotation angle value. The receiver may enable transmission of feedback information comprising the computed rotation factor and/or the computed rotation angle.

摘要翻译： 在使用角度反馈的通信系统中用于STBC / SFBC的系统的方面可以包括能够经由多个接收天线接收信号的接收机。 接收机可以使得能够基于所接收的信号来计算旋转因子值，并且利用所计算的旋转因子值以经由多个接收天线接收后续信号。 所接收的信号可以包括前导码数据。 接收机可以使得能够基于所接收的前导码数据来计算信道估计值。 可以基于所计算的信道估计值来计算旋转角度值。 可以基于计算的旋转角度值来计算旋转因子值。 接收机可以实现包括所计算的旋转因子和/或所计算的旋转角度的反馈信息的传输。

公开(公告)号：US20090066577A1

公开(公告)日：2009-03-12

申请号：US12190272

申请日：2008-08-12

申请人： Joonsuk Kim ,  Sirikiat Ariyavisitakul

发明人： Joonsuk Kim ,  Sirikiat Ariyavisitakul

IPC分类号： H01Q3/00 ,  H04L25/49

CPC分类号： H04L25/03343 ,  H04L1/0026 ,  H04L1/0618 ,  H04L2025/03426 ,  H04L2025/03802

摘要： A method and system for beamforming in a multiple user multiple input multiple output (MIMO) communication system using a codebook may include a processor in a node B that enables generation of an interference cancellation matrix (WR). The interference cancellation matrix, also referred to as a matched filter, may enable a composite signal (Y) to be represented as a plurality of subsidiary signals (yi), each of which is transmitted by the node B for reception at a corresponding ith UE station. Each of the subsidiary signals yi may be generated based on a corresponding one of a plurality of data stream signals (xi). The processor may enable generation of a precoding matrix (WT) based on the interference cancellation matrix. A transmitter within the node B may enable generation of a plurality of signals based on the preceding matrix. The signals may be transmitted via a wireless communication medium.

摘要翻译： 在使用码本的多用户多输入多输出（MIMO）通信系统中的波束成形的方法和系统可以包括能够产生干扰消除矩阵（WR）的节点B中的处理器。 也称为匹配滤波器的干扰消除矩阵可以使得复合信号（Y）能够被表示为多个辅助信号（yi），每个辅助信号由节点B发送以在对应的第i个UE处接收 站。 辅助信号yi中的每一个可以基于多个数据流信号（xi）中的对应的一个生成。 处理器可以使得能够基于干扰消除矩阵生成预编码矩阵（WT）。 节点B内的发射机可以使得能够基于先前的矩阵生成多个信号。 信号可以经由无线通信介质发送。

公开(公告)号：US08442142B2

公开(公告)日：2013-05-14

申请号：US12761567

申请日：2010-04-16

申请人： Eric Ojard ,  Sirikiat Ariyavisitakul ,  Joonsuk Kim

发明人： Eric Ojard ,  Sirikiat Ariyavisitakul ,  Joonsuk Kim

IPC分类号： H01Q3/00 ,  G01S1/00

CPC分类号： H01Q25/00

摘要： A method and system for beamforming signal transmission under a per-antenna power constraint is presented. In one aspect, a multiple input multiple output (MIMO) transmitting station may compute a per-antenna power gain factor for each of a plurality of transmit chain signals. The transmit chain signals may be concurrently transmitted by a plurality of transmitting antennas at the MIMO transmitting station. The plurality of transmit chain signals may correspond to beamforming signals, which are generated by performing spatial mapping on a plurality of space-time signals. The plurality of power gain factors may be computed based on a per-antenna power constraint. Alternatively, the plurality of power gain factors may be computed based on joint per-antenna power and total-power constraints. Each of the transmit chain signals may be amplified or attenuated based on the corresponding antenna gain factor. The amplified or attenuated signal is then transmitted by the corresponding transmitting antenna.

摘要翻译： 提出了一种在每个天线功率约束下波束成形信号传输的方法和系统。 在一个方面，多输入多输出（MIMO）发射站可以为多个发射链信号中的每一个计算每天线功率增益因子。 发射链信号可以在MIMO发射台处由多个发射天线同时发射。 多个发射链信号可以对应于通过在多个时空信号上执行空间映射而生成的波束形成信号。 可以基于每天线功率约束来计算多个功率增益因子。 或者，可以基于联合每天线功率和总功率约束来计算多个功率增益因子。 每个发射链信号可以基于相应的天线增益因子被放大或衰减。 放大或衰减的信号然后由相应的发射天线发射。

公开(公告)号：US08412275B2

公开(公告)日：2013-04-02

申请号：US12720937

申请日：2010-03-10

申请人： Joonsuk Kim ,  Sirikiat Ariyavisitakul

发明人： Joonsuk Kim ,  Sirikiat Ariyavisitakul

IPC分类号： H04M1/00 ,  H04B17/00

CPC分类号： H04L5/023 ,  H04B7/0413 ,  H04B7/0417 ,  H04B7/0452 ,  H04B7/0626

摘要： A method and system for communicating feedback information in a multiple user multiple input multiple output (MU-MIMO) communication system are presented. In one aspect of the method and system, a beamformer station may communicate a feedback information request to a plurality of beamformee stations. The feedback information request may request feedback data for a plurality of RF channel bands. The RF channel bands may form a multichannel. The beamformer may subsequently transmit a plurality of signals utilizing the RF channel bands within the multichannel. Each of the beamformees may receive the plurality of subsequently transmitted signals. A beamformee may generate the requested feedback data for each RF channel band within the multichannel. The beamformee may generate a beamforming report, which comprises the feedback data, which is generated across the plurality of RF channel bands in the multichannel. The beamformee may transmit the beamforming report to the beamformer.

公开(公告)号：US20110159866A1

公开(公告)日：2011-06-30

申请号：US12720937

申请日：2010-03-10

申请人： Joonsuk Kim ,  Sirikiat Ariyavisitakul

发明人： Joonsuk Kim ,  Sirikiat Ariyavisitakul

IPC分类号： H04W40/00 ,  H04L27/28

CPC分类号： H04L5/023 ,  H04B7/0413 ,  H04B7/0417 ,  H04B7/0452 ,  H04B7/0626

摘要： A method and system for communicating feedback information in a multiple user multiple input multiple output (MU-MIMO) communication system are presented. In one aspect of the method and system, a beamformer station may communicate a feedback information request to a plurality of beamformee stations. The feedback information request may request feedback data for a plurality of RF channel bands. The RF channel bands may form a multichannel. The beamformer may subsequently transmit a plurality of signals utilizing the RF channel bands within the multichannel. Each of the beamformees may receive the plurality of subsequently transmitted signals. A beamformee may generate the requested feedback data for each RF channel band within the multichannel. The beamformee may generate a beamforming report, which comprises the feedback data, which is generated across the plurality of RF channel bands in the multichannel. The beamformee may transmit the beamforming report to the beamformer.

摘要翻译： 提出了一种用于在多用户多输入多输出（MU-MIMO）通信系统中传送反馈信息的方法和系统。 在该方法和系统的一个方面，波束形成器站可将反馈信息请求传送到多个波束形成站。 反馈信息请求可以请求多个RF信道频带的反馈数据。 RF信道频带可以形成多信道。 波束形成器随后可以利用多声道内的RF信道频带发送多个信号。 每个波束形成器可以接收多个随后发送的信号。 波束形成器可以为多通道内的每个RF信道频带生成所请求的反馈数据。 波束形成器可以生成波束形成报告，其包括在多声道中跨多个RF信道频带产生的反馈数据。 波束形成器可以将波束形成报告发送到波束形成器。