Space frequency block code signal processing and relaying system
    6.
    发明授权
    Space frequency block code signal processing and relaying system 有权
    空间频率块码信号处理和中继系统

    公开(公告)号:US08897208B2

    公开(公告)日:2014-11-25

    申请号:US12068157

    申请日:2008-02-04

    摘要: A space frequency block code signal relaying system is provided. The space frequency block code signal relaying system includes a signal detecting unit which receives, via a radio channel, a source signal sent from a source station and detects the received signal; a relay signal generation unit which generates a relay signal corresponding with the source signal transmitted from the source station to a destination node based on the received signal, the source signal and the relay signal being signals encoded in a Space Frequency Block Code (SFBC) scheme; and a signal transmitting unit which transmits the relay signal to the destination node.

    摘要翻译: 提供了空间频率块码信号中继系统。 空间频率块码信号中继系统包括:信号检测单元,经由无线电信道接收从源站发送的源信号并检测接收到的信号; 继电器信号生成单元,其基于所接收的信号,生成与从源站发送到目的地节点的源信号对应的中继信号,源信号和中继信号是以空间频率块码(SFBC)方式编码的信号 ; 以及将所述中继信号发送到所述目的地节点的信号发送单元。

    Space frequency block code signal processing system
    7.
    发明申请
    Space frequency block code signal processing system 有权
    空间频率块码信号处理系统

    公开(公告)号:US20090040960A1

    公开(公告)日:2009-02-12

    申请号:US12068157

    申请日:2008-02-04

    IPC分类号: H04B7/14

    摘要: A space frequency block code signal relaying system is provided. The space frequency block code signal relaying system includes a signal detecting unit which receives, via a radio channel, a source signal sent from a source station and detects the received signal; a relay signal generation unit which generates a relay signal corresponding with the source signal transmitted from the source station to a destination node based on the received signal, the source signal and the relay signal being signals encoded in a Space Frequency Block Code (SFBC) scheme; and a signal transmitting unit which transmits the relay signal to the destination node.

    摘要翻译: 提供了空间频率块码信号中继系统。 空间频率块码信号中继系统包括:信号检测单元,经由无线电信道接收从源站发送的源信号并检测接收到的信号; 中继信号生成单元,基于接收信号,生成与从源站发送到目的地节点的源信号对应的中继信号,源信号和中继信号是以空间频率块码(SFBC)方式编码的信号 ; 以及将所述中继信号发送到所述目的地节点的信号发送单元。

    APPARATUS AND METHOD OF RECONSTRUCTING AMPLITUDE-CLIPPED SIGNAL
    8.
    发明申请
    APPARATUS AND METHOD OF RECONSTRUCTING AMPLITUDE-CLIPPED SIGNAL 有权
    重建AMPLITUDE-CLIPPED信号的装置和方法

    公开(公告)号:US20090034408A1

    公开(公告)日:2009-02-05

    申请号:US11924928

    申请日:2007-10-26

    IPC分类号: H04J11/00

    CPC分类号: H04B1/59

    摘要: A method and apparatus for compensating a distortion due to a clipped amplitude when an amplitude of a signal is clipped to reduce a peak to average power ratio (PAPR) in a wireless communication system using an orthogonal frequency division multiplexing (OFDM) scheme and a transmit diversity method using an orthogonal coding.A wireless data transmission apparatus which transmits a data stream via a plurality of antennas, the apparatus including: a coding unit which Space-Time block codes a first data stream into a plurality of second data streams, the plurality of second data streams being orthogonal to each other; an inverse Fourier transform unit which performs an inverse Fourier transform of each of the Space-Time block coded second data stream and generates a plurality of time domain signals; and a plurality of amplitude clipping units which clips an amplitude of each of the plurality of generated time domain signals.

    摘要翻译: 一种用于补偿当信号的幅度被限幅时由于限制幅度引起的失真的方法和装置,以减少使用正交频分复用(OFDM)方案和发送的无线通信系统中的峰均功率比(PAPR) 使用正交编码的分集方法。 一种经由多个天线发送数据流的无线数据发送装置,所述装置包括:空时块将第一数据流编码为多个第二数据流的编码单元,所述多个第二数据流正交于 彼此; 逆傅立叶变换单元,其执行空时块编码的第二数据流中的每一个的傅里叶逆变换,并生成多个时域信号; 以及多个幅度剪辑单元,其剪辑所述多个所生成的时域信号中的每一个的振幅。

    Apparatus and method of reconstructing amplitude-clipped signal
    9.
    发明授权
    Apparatus and method of reconstructing amplitude-clipped signal 有权
    重建幅度信号的装置和方法

    公开(公告)号:US07907511B2

    公开(公告)日:2011-03-15

    申请号:US11924928

    申请日:2007-10-26

    IPC分类号: H04J11/00

    CPC分类号: H04B1/59

    摘要: A wireless data transmission method and apparatus are provided for compensating a distortion due to a clipped amplitude when an amplitude of a signal is clipped to reduce a peak to average power ratio (PAPR) in a wireless communication system using an orthogonal frequency division multiplexing (OFDM) scheme and a transmit diversity method using an orthogonal coding. The wireless data transmission apparatus includes a coding unit which Space-Time block codes a first data stream into a plurality of second data streams, the plurality of second data streams being orthogonal to each other; an inverse Fourier transform unit which performs an inverse Fourier transform of each of the Space-Time block coded second data stream and generates a plurality of time domain signals; and a plurality of amplitude clipping units which clips an amplitude of each of the plurality of generated time domain signals.

    摘要翻译: 提供了一种无线数据传输方法和装置,用于当信号的幅度被限幅时补偿由于限幅幅度引起的失真,从而在使用正交频分复用(OFDM)的无线通信系统中降低峰均功率比(PAPR) )方案和使用正交编码的发射分集方法。 无线数据传输装置包括:空时块将第一数据流编码为多个第二数据流的编码单元,多个第二数据流彼此正交; 逆傅立叶变换单元,其执行空时块编码的第二数据流中的每一个的傅里叶逆变换,并生成多个时域信号; 以及多个幅度剪辑单元,其剪辑所述多个所生成的时域信号中的每一个的振幅。

    Apparatus and method for transmitting and receiving signal in multiple input multiple output system
    10.
    发明授权
    Apparatus and method for transmitting and receiving signal in multiple input multiple output system 有权
    在多输入多输出系统中发送和接收信号的装置和方法

    公开(公告)号:US08761298B2

    公开(公告)日:2014-06-24

    申请号:US12565894

    申请日:2009-09-24

    IPC分类号: H04L27/00 H03C1/52

    摘要: A method and apparatus for transmitting and/or receiving a signal in a multiple input multiple output (MIMO) system are provided. An apparatus for transmitting a signal in a multiple input multiple output (MIMO) system includes an input unit to receive NT symbol streams in parallel, where NT is an integer greater than or equal to 2, a multiple signal generating unit to generate NT multiple signals having a transmit diversity gain by applying a cyclic delay of a different pattern to each of the NT symbol streams, and a multiple signal providing unit to provide the generated NT multiple signals to NT transmit antennas, respectively, based on a predetermined transmit antenna index of each of the NT transmit antennas.

    摘要翻译: 提供了一种用于在多输入多输出(MIMO)系统中发送和/或接收信号的方法和装置。 一种用于在多输入多输出(MIMO)系统中发送信号的装置,包括一个输入单元,用于并行接收NT个符号流,其中NT是大于或等于2的整数;多信号产生单元,用于产生NT个多个信号 通过对每个NT个符号流应用不同模式的循环延迟来分配发射分集增益,以及多信号提供单元,用于分别基于预定的发射天线索引向NT个发射天线提供所生成的NT个多个信号 每个NT发射天线。