Wireless communication using a plurality of antennas
    2.
    发明授权
    Wireless communication using a plurality of antennas 有权
    使用多个天线的无线通信

    公开(公告)号:US07773706B2

    公开(公告)日:2010-08-10

    申请号:US12323246

    申请日:2008-11-25

    CPC分类号: H04L27/2613 H04B7/0678

    摘要: A wireless communication apparatus includes a plurality of antennas, transmits a plurality of known symbol sequences each including a plurality of known symbols by using the antennas, each of the known symbols having subcarrier arrangement on which plural known information of the each of the known symbols are carried on, and inversion/non-inversion of a phase of known information on one of two adjacent subcarriers of the subcarrier arrangement being controlled in accordance with the number of the known symbols and time position of the each of the known symbols, and transmits data symbols by using the antennas after the known symbol sequences are transmitted.

    摘要翻译: 无线通信装置包括多个天线,通过使用天线发送多个已知符号序列,每个已知符号序列包括多个已知符号,每个已知符号具有子载波排列,每个已知符号的多个已知信息 并且根据已知符号的数量和每个已知符号的时间位置来控制子载波装置的两个相邻子载波之一上的已知信息的相位的反相/非反相,并且发送数据 在发送已知符号序列之后使用天线的符号。

    WIRELESS COMMUNICATION USING A PLURALITY OF ANTENNAS
    3.
    发明申请
    WIRELESS COMMUNICATION USING A PLURALITY OF ANTENNAS 有权
    使用大量天线的无线通信

    公开(公告)号:US20090080567A1

    公开(公告)日:2009-03-26

    申请号:US12323246

    申请日:2008-11-25

    IPC分类号: H04B7/10

    CPC分类号: H04L27/2613 H04B7/0678

    摘要: A wireless communication apparatus includes a plurality of antennas, transmits a plurality of known symbol sequences each including a plurality of known symbols by using the antennas, each of the known symbols having subcarrier arrangement on which plural known information of the each of the known symbols are carried on, and inversion/non-inversion of a phase of known information on one of two adjacent subcarriers of the subcarrier arrangement being controlled in accordance with the number of the known symbols and time position of the each of the known symbols, and transmits data symbols by using the antennas after the known symbol sequences are transmitted.

    摘要翻译: 无线通信装置包括多个天线,通过使用天线发送多个已知符号序列,每个已知符号序列包括多个已知符号,每个已知符号具有子载波排列,每个已知符号的多个已知信息 并且根据已知符号的数量和每个已知符号的时间位置来控制副载波装置的两个相邻子载波之一上的已知信息的相位的反相/非反相,并且发送数据 在发送已知符号序列之后使用天线的符号。

    Wireless communication apparatus
    4.
    发明申请
    Wireless communication apparatus 失效
    无线通信装置

    公开(公告)号:US20050276349A1

    公开(公告)日:2005-12-15

    申请号:US11147321

    申请日:2005-06-08

    CPC分类号: H04L27/2613 H04B7/0678

    摘要: A wireless communication apparatus includes a plurality of antennas, transmits a plurality of known symbol sequences each including a plurality of known symbols by using the antennas, each of the known symbols having subcarrier arrangement on which plural known information of the each of the known symbols are carried on, and inversion/non-inversion of a phase of known information on one of two adjacent subcarriers of the subcarrier arrangement being controlled in accordance with the number of the known symbols and time position of the each of the known symbols, and transmits data symbols by using the antennas after the known symbol sequences are transmitted.

    摘要翻译: 无线通信装置包括多个天线,通过使用天线发送多个已知符号序列,每个已知符号序列包括多个已知符号,每个已知符号具有子载波排列,每个已知符号的多个已知信息 并且根据已知符号的数量和每个已知符号的时间位置来控制副载波装置的两个相邻子载波之一上的已知信息的相位的反相/非反相,并且发送数据 在发送已知符号序列之后使用天线的符号。

    Wireless communication using a plurality of antennas
    6.
    发明授权
    Wireless communication using a plurality of antennas 失效
    使用多个天线的无线通信

    公开(公告)号:US07483503B2

    公开(公告)日:2009-01-27

    申请号:US11147321

    申请日:2005-06-08

    CPC分类号: H04L27/2613 H04B7/0678

    摘要: A wireless communication apparatus includes a plurality of antennas, transmits a plurality of known symbol sequences each including a plurality of known symbols by using the antennas, each of the known symbols having subcarrier arrangement on which plural known information of the each of the known symbols are carried on, and inversion/non-inversion of a phase of known information on one of two adjacent subcarriers of the subcarrier arrangement being controlled in accordance with the number of the known symbols and time position of the each of the known symbols, and transmits data symbols by using the antennas after the known symbol sequences are transmitted.

    摘要翻译: 无线通信装置包括多个天线,通过使用天线发送多个已知符号序列,每个已知符号序列包括多个已知符号,每个已知符号具有子载波排列,每个已知符号的多个已知信息 并且根据已知符号的数量和每个已知符号的时间位置来控制副载波装置的两个相邻子载波之一上的已知信息的相位的反相/非反相,并且发送数据 在发送已知符号序列之后使用天线的符号。

    Method for receiving OFDM signal, and receiver
    8.
    发明授权
    Method for receiving OFDM signal, and receiver 有权
    接收OFDM信号的方法和接收机

    公开(公告)号:US07835476B2

    公开(公告)日:2010-11-16

    申请号:US11689121

    申请日:2007-03-21

    IPC分类号: H04L27/06

    摘要: A receiver of an OFDM signal includes a reception unit to receive an OFDM signal formed by a plurality of OFDM symbols respectively including data subcarriers to which data signals are allocated and pilot subcarriers to which cyclically shifted pilot signals are allocated in frequency domain, an estimator to estimate phase errors of the pilot signals to generate first estimated values related to an offset of the OFDM symbol corresponding to each two or more OFDM symbols in the OFDM signal, a weighting adder to perform weighting additions on the first estimated values to obtain one second estimated value related to the offset, a compensator to compensate the offset by using the second estimated value to obtain a compensated OFDM signal, and a decoder to decode the compensated OFDM signal to reproduce the data signals.

    摘要翻译: OFDM信号的接收机包括:接收单元,用于接收由多个OFDM符号形成的OFDM信号,所述OFDM信号分别包括分配数据信号的数据子载波和在频域中被分配了循环移位的导频信号的导频子载波,估计器 估计所述导频信号的相位误差,以产生与所述OFDM信号中对应于每个两个或更多个OFDM符号的OFDM符号的偏移相关的第一估计值;加权加法器,用于对所述第一估计值执行加权增加以获得一秒估计值 与补偿相关的值,通过使用第二估计值来补偿偏移以获得补偿的OFDM信号的补偿器,以及解码器,对经补偿的OFDM信号进行解码以再现数据信号。

    Radio Communication Apparatus, Base Station and System
    9.
    发明申请
    Radio Communication Apparatus, Base Station and System 审中-公开
    无线电通信装置,基站和系统

    公开(公告)号:US20080279259A1

    公开(公告)日:2008-11-13

    申请号:US12136528

    申请日:2008-06-10

    IPC分类号: H04B1/713

    摘要: Radio communication apparatus for receiving OFDM signal from base station and transmitting FH signal to base station, using sub-channels, base station comparing hopping pattern information items indicating hopping patterns from radio communication apparatuses including radio communication apparatus, and generating collision information when hopping patterns include colliding hopping patterns, includes estimation unit configured to estimate channel response values of sub-channels based on OFDM signal, selector which selects, from sub-channels, several sub-channels which have higher channel response values than a value, each of channel response values being expressed by power level, signal-to-noise power ratio, or signal-to-interference ratio, determination unit configured to determine hopping pattern from selected sub-channels, transmitter which transmits, to base station, hopping pattern information item indicating determined hopping pattern, receiver which receives collision information from base station, and correction unit configured to correct hopping pattern based on collision information.

    摘要翻译: 用于从基站接收OFDM信号并使用子信道发送FH信号的无线电通信装置,基站比较表示包括无线电通信装置的无线电通信装置的跳频模式的跳频模式信息项,并且当跳频模式包括时产生冲突信息 包括估计单元,其被配置为基于OFDM信号来估计子信道的信道响应值;选择器,其从子信道选择具有比值更高的信道响应值的几个子信道,每个信道响应值 由功率电平,信噪比功率比或信号干扰比表示;确定单元,被配置为从所选择的子信道中确定跳频模式;发送器,向基站发送指示确定跳频的跳频模式信息项 模式,接收器接收碰撞信息 以及基于冲突信息来校正跳频图案的校正单元。

    METHOD FOR RECEIVING OFDM SIGNAL, AND RECEIVER
    10.
    发明申请
    METHOD FOR RECEIVING OFDM SIGNAL, AND RECEIVER 有权
    接收OFDM信号的方法和接收机

    公开(公告)号:US20080063120A1

    公开(公告)日:2008-03-13

    申请号:US11689121

    申请日:2007-03-21

    IPC分类号: H04L27/06

    摘要: A receiver of an OFDM signal includes a reception unit to receive an OFDM signal formed by a plurality of OFDM symbols respectively including data subcarriers to which data signals are allocated and pilot subcarriers to which cyclically shifted pilot signals are allocated in frequency domain, an estimator to estimate phase errors of the pilot signals to generate first estimated values related to an offset of the OFDM symbol corresponding to each two or more OFDM symbols in the OFDM signal, a weighting adder to perform weighting additions on the first estimated values to obtain one second estimated value related to the offset, a compensator to compensate the offset by using the second estimated value to obtain a compensated OFDM signal, and a decoder to decode the compensated OFDM signal to reproduce the data signals.

    摘要翻译: OFDM信号的接收机包括:接收单元,用于接收由多个OFDM符号形成的OFDM信号,所述OFDM信号分别包括分配数据信号的数据子载波和在频域中被分配了循环移位的导频信号的导频子载波,估计器 估计所述导频信号的相位误差,以产生与所述OFDM信号中对应于每个两个或更多个OFDM符号的OFDM符号的偏移相关的第一估计值;加权加法器,用于对所述第一估计值执行加权增加以获得一秒估计值 与补偿相关的值,通过使用第二估计值来补偿偏移以获得补偿的OFDM信号的补偿器,以及解码器,对经补偿的OFDM信号进行解码以再现数据信号。