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    Method and device for optimizing codebook for quantized precoder by using steepest descent algorithm
    1.
    发明授权
    Method and device for optimizing codebook for quantized precoder by using steepest descent algorithm 有权
    使用最陡下降算法优化量化预编码码本的方法和装置

    公开(公告)号：US07746936B2

    公开(公告)日：2010-06-29

    申请号：US11743147

    申请日：2007-05-02

    申请人： Dong-Seung Kwon ,  Young-Seog Song ,  In-Kyeong Choi ,  Chung-Yong Lee ,  Myeong-Cheol Shin ,  Myoung-Seog Kim ,  Seung-Joon Lee

    发明人： Dong-Seung Kwon ,  Young-Seog Song ,  In-Kyeong Choi ,  Chung-Yong Lee ,  Myeong-Cheol Shin ,  Myoung-Seog Kim ,  Seung-Joon Lee

    IPC分类号： H04B14/04 ,  H04L7/02

    CPC分类号： H04B7/0658 ,  H04B7/0634 ,  H04B7/0639

    摘要： In a method for optimizing a codebook including a quantized channel between a base station transmitter and a portable terminal: a) select the codebook to be optimized; b) a steepest descent algorithm is applied to respective codewords of the codebook selected in a), wherein the codewords are transformed so that a correlation between the codewords is minimized, and a function indicating the correlation between the codewords is differentiated and is multiplied by a predetermined step size and is used for a parameter for generating a new codeword in the steepest descent algorithm; c) it is determined whether the codebook including the codewords transformed in b) is optimized; and d) the codebook is stored when it is determined in c) that the codebook is optimized.

    摘要翻译： 一种用于优化包括基站发射机和便携式终端之间的量化信道的码本的方法：a）选择要优化的码本; b）将最陡下降算法应用于在a）中选择的码本的相应码字，其中对码字进行变换，使得码字之间的相关性最小化，并且指示码字之间的相关性的函数被区分，并乘以 用于在最速下降算法中生成新码字的参数; c）确定包括在b）中变换的码字的码本是否被优化; 以及d）当在c）中确定码本被优化时，存储码本。

    Transmitting apparatus and method, and receiving apparatus and method in multple antenna system
    4.
    发明授权
    Transmitting apparatus and method, and receiving apparatus and method in multple antenna system 失效
    发射装置和方法，以及多天线系统中的接收装置和方法

    公开(公告)号：US08121212B2

    公开(公告)日：2012-02-21

    申请号：US12096778

    申请日：2006-12-04

    申请人： Dong-Seung Kwon ,  Young-Seog Song ,  Seung-Joon Lee ,  Jong-Ee Oh ,  Chungyong Lee ,  Myeong-Cheol Shin

    发明人： Dong-Seung Kwon ,  Young-Seog Song ,  Seung-Joon Lee ,  Jong-Ee Oh ,  Chungyong Lee ,  Myeong-Cheol Shin

    IPC分类号： H04B7/02

    CPC分类号： H04B7/0639 ,  H04L1/0003 ,  H04L1/0006

    摘要： Respective codewords of quantization codebooks corresponding to a number of data streams are selected based on channel information estimated by a received training symbol. A stream mode is selected among stream modes to determine a modulation method applied to each data stream. The data stream is detected by using the codeword corresponding to the quantization codebook of the data stream corresponding to the selected stream mode as a precode matrix, and the detected data stream is modulated. In this case, a receiving apparatus performs a feedback operation so that indexes of the selected stream mode and the codeword used as the precode matrix may be transmitted to the transmitting apparatus. The transmitting apparatus selects the number of transmitted data streams and the modulation method based on the transmitted index of feedback streams by the feedback operation.

    摘要翻译： 基于由接收到的训练符号估计的信道信息来选择与多个数据流对应的量化码本的各个码字。 在流模式中选择流模式以确定应用于每个数据流的调制方法。 通过使用与对应于所选流模式的数据流的量化码本对应的码字作为预编码矩阵来检测数据流，并且检测的数据流被调制。 在这种情况下，接收装置执行反馈操作，使得所选流模式的索引和用作预编码矩阵的码字可以被发送到发送装置。 发送装置通过反馈操作基于所发送的反馈流索引来选择发送数据流的数量和调制方法。

    TRANSMITTING APPARATUS AND METHOD, AND RECEIVING APPARATUS AND METHOD IN MULTPLE ANTENNA SYSTEM
    5.
    发明申请
    TRANSMITTING APPARATUS AND METHOD, AND RECEIVING APPARATUS AND METHOD IN MULTPLE ANTENNA SYSTEM 失效
    发射装置和方法，以及在多天线系统中接收装置和方法

    公开(公告)号：US20090252240A1

    公开(公告)日：2009-10-08

    申请号：US12096778

    申请日：2006-12-04

    申请人： Dong-Seung Kwon ,  Young-Seog Song ,  Seung-Joon Lee ,  Jong-Ee Oh ,  Chungyong Lee ,  Myeong-Cheol Shin

    发明人： Dong-Seung Kwon ,  Young-Seog Song ,  Seung-Joon Lee ,  Jong-Ee Oh ,  Chungyong Lee ,  Myeong-Cheol Shin

    IPC分类号： H04L27/28

    CPC分类号： H04B7/0639 ,  H04L1/0003 ,  H04L1/0006

    摘要： Respective codewords of quantization codebooks corresponding to a number of data streams are selected based on channel information estimated by a received training symbol. A stream mode is selected among stream modes to determine a modulation method applied to each data stream. The data stream is detected by using the codeword corresponding to the quantization codebook of the data stream corresponding to the selected stream mode as a precode matrix, and the detected data stream is modulated. In this case, a receiving apparatus performs a feedback operation so that indexes of the selected stream mode and the codeword used as the precode matrix may be transmitted to the transmitting apparatus. The transmitting apparatus selects the number of transmitted data streams and the modulation method based on the transmitted index of feedback streams by the feedback operation.

    摘要翻译： 基于由接收到的训练符号估计的信道信息来选择与多个数据流对应的量化码本的各个码字。 在流模式中选择流模式以确定应用于每个数据流的调制方法。 通过使用与对应于所选流模式的数据流的量化码本对应的码字作为预编码矩阵来检测数据流，并且检测的数据流被调制。 在这种情况下，接收装置执行反馈操作，使得所选流模式的索引和用作预编码矩阵的码字可以被发送到发送装置。 发送装置通过反馈操作基于所发送的反馈流索引来选择发送数据流的数量和调制方法。

    METHOD AND DEVICE FOR OPTIMIZING CODEBOOK FOR QUANTIZED PRECODER BY USING STEEPEST DESCENT ALGORITHM
    6.
    发明申请
    METHOD AND DEVICE FOR OPTIMIZING CODEBOOK FOR QUANTIZED PRECODER BY USING STEEPEST DESCENT ALGORITHM 有权
    通过使用STEEPEST DESCAL算法优化定量预处理器的代码的方法和设备

    公开(公告)号：US20080081669A1

    公开(公告)日：2008-04-03

    申请号：US11743147

    申请日：2007-05-02

    申请人： Dong-Seung Kwon ,  Young-Seog Song ,  In-Kyeong Choi ,  Chungyong Lee ,  Myeongcheol Shin ,  Myoung-Seok Kim ,  Seung-Joon Lee

    发明人： Dong-Seung Kwon ,  Young-Seog Song ,  In-Kyeong Choi ,  Chungyong Lee ,  Myeongcheol Shin ,  Myoung-Seok Kim ,  Seung-Joon Lee

    IPC分类号： H04B1/38

    CPC分类号： H04B7/0658 ,  H04B7/0634 ,  H04B7/0639

    摘要： In a method for optimizing a codebook including a quantized channel between a base station transmitter and a portable terminal: a) select the codebook to be optimized; b) a steepest descent algorithm is applied to respective codewords of the codebook selected in a), wherein the codewords are transformed so that a correlation between the codewords is minimized, and a function indicating the correlation between the codewords is differentiated and is multiplied by a predetermined step size and is used for a parameter for generating a new codeword in the steepest descent algorithm; c) it is determined whether the codebook including the codewords transformed in b) is optimized; and d) the codebook is stored when it is determined in c) that the codebook is optimized.

    摘要翻译： 一种用于优化包括基站发射机和便携式终端之间的量化信道的码本的方法：a）选择要优化的码本; b）将最陡下降算法应用于在a）中选择的码本的相应码字，其中对码字进行变换，使得码字之间的相关性最小化，并且指示码字之间的相关性的函数被区分，并乘以 用于在最速下降算法中生成新码字的参数; c）确定包括在b）中变换的码字的码本是否被优化; 以及d）当在c）中确定码本被优化时，存储码本。

    Method for selecting switched beam using pilot signal and system thereof
    9.
    发明授权
    Method for selecting switched beam using pilot signal and system thereof 有权
    使用导频信号选择切换波束的方法及其系统

    公开(公告)号：US07920646B2

    公开(公告)日：2011-04-05

    申请号：US11722049

    申请日：2005-12-21

    申请人： Choong-Il Yeh ,  Young-Seog Song ,  In-Kyeong Choi ,  Dong-Seung Kwon

    发明人： Choong-Il Yeh ,  Young-Seog Song ,  In-Kyeong Choi ,  Dong-Seung Kwon

    IPC分类号： H04L27/00

    CPC分类号： H04B7/0695 ,  H04B7/0634

    摘要： The present invention relates to a system for selecting a switched beam for supplying a maximum received power to a subscriber station, and a method thereof. The number of switched beams used by a base station is limited, and a weight value vector for forming the switched beam is predefined. The subscriber station uses a pilot signal for discerning transmitting antennas to estimate channel values for the respective transmitting antennas, and uses the channel values and the predefined weight value vectors to determine a switched beam for supplying a maximum signal-to-noise ratio (SNR). The subscriber station notifies the base station of an identifier of a selected beam by using a feedback channel, and the base station uses the switched beam to transmit traffic data.

    摘要翻译： 本发明涉及一种用于选择向用户站提供最大接收功率的切换波束的系统及其方法。 基站使用的切换波束的数量是有限的，并且预定了用于形成切换波束的权重值向量。 用户站使用导频信号来识别发射天线以估计各个发射天线的信道值，并且使用信道值和预定权重值向量来确定用于提供最大信噪比（SNR）的切换波束， 。 用户台通过使用反馈信道向基站通知所选波束的标识符，并且基站使用切换波束来传输业务数据。

    Method for Selecting Switched Beam Using Pilot Signal and System Thereof
    10.
    发明申请
    Method for Selecting Switched Beam Using Pilot Signal and System Thereof 有权
    使用导频信号及其系统选择开关波束的方法

    公开(公告)号：US20080095251A1

    公开(公告)日：2008-04-24

    申请号：US11722049

    申请日：2005-12-21

    申请人： Choong-Il Yeh ,  Young-Seog Song ,  In-Kyeong Choi ,  Dong-Seung Kwon

    发明人： Choong-Il Yeh ,  Young-Seog Song ,  In-Kyeong Choi ,  Dong-Seung Kwon

    IPC分类号： H04L27/28

    CPC分类号： H04B7/0695 ,  H04B7/0634

    摘要： The present invention relates to a system for selecting a switched beam for supplying a maximum received power to a subscriber station, and a method thereof. The number of switched beams used by a base station is limited, and a weight value vector for forming the switched beam is predefined. The subscriber station uses a pilot signal for discerning transmitting antennas to estimate channel values for the respective transmitting antennas, and uses the channel values and the predefined weight value vectors to determine a switched beam for supplying a maximum signal-to-noise ratio (SNR). The subscriber station notifies the base station of an identifier of a selected beam by using a feedback channel, and the base station uses the switched beam to transmit traffic data.

    摘要翻译： 本发明涉及一种用于选择向用户站提供最大接收功率的切换波束的系统及其方法。 基站使用的切换波束的数量是有限的，并且预定了用于形成切换波束的权重值向量。 用户站使用导频信号来识别发射天线以估计各个发射天线的信道值，并且使用信道值和预定权重值向量来确定用于提供最大信噪比（SNR）的切换波束， 。 用户台通过使用反馈信道向基站通知所选波束的标识符，并且基站使用切换波束来传输业务数据。