Method of data transmission with iterative multi-user detection and apparatus using the same
    1.
    发明授权
    Method of data transmission with iterative multi-user detection and apparatus using the same 有权
    使用迭代多用户检测的数据传输方法及其使用方法

    公开(公告)号:US07751464B2

    公开(公告)日:2010-07-06

    申请号:US11768563

    申请日:2007-06-26

    IPC分类号: H04L27/30

    摘要: A method and apparatus for transmitting and receiving data by performing an iterative multi-user detection is provided. The apparatus includes: a receives a transmission signal and generates a received signal, the transmission signal being generated by modulating a single carrier signal via a modulation process, specialized for each user, in a wireless communication system; an interference canceled signal generator which generates an interference canceled signal by canceling a signal interference using a demodulated signal with respect to the received signal, the signal interference being caused by an other user; and a demodulated signal generator which generates the demodulated signal by demodulating the received signal via a demodulation process using the interference canceled signal, the demodulation process being specialized for each user, wherein the demodulated signal, which is generated by performing the generating of the interference canceled signal and the generating of the demodulated signal at least once, is adopted as a final demodulated signal.

    摘要翻译: 提供了一种通过执行迭代多用户检测来发送和接收数据的方法和装置。 该装置包括:a接收传输信号并产生接收信号,该传输信号是通过在无线通信系统中经由专用于每个用户的调制过程调制单载波信号产生的; 干扰消除信号发生器,其通过使用相对于接收信号的解调信号消除信号干扰来产生干扰消除信号,所述信号干扰由另一用户引起; 以及解调信号发生器,其通过使用干扰消除信号的解调处理解调接收信号来产生解调信号,解调处理专用于每个用户,其中通过执行消除干扰的产生而产生的解调信号 信号和至少一次解调信号的产生被采用作为最终的解调信号。

    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 for controlling power of relay in amplify-forward relay system and method using the same
    9.
    发明授权
    Apparatus for controlling power of relay in amplify-forward relay system and method using the same 有权
    用于控制放大前馈继电器系统中继电器功率的装置及使用其的方法

    公开(公告)号:US07860451B2

    公开(公告)日:2010-12-28

    申请号:US11716695

    申请日:2007-03-12

    IPC分类号: H04B3/36 H04B7/14

    摘要: A method and apparatus for controlling a power of a relay are provided. The apparatus includes: a signal receiver which receives signals which are transmitted to a plurality of receiving antennas directly from a source or via at least one relay; a channel information acquirement unit which acquires channel information between the source and the at least one relay, and acquires channel information between the at least one relay and the plurality of receiving antennas; a power control signal generation unit which generates a power control signal, based on the acquired channel information and a maximum SNR; and a relay power control unit which transmits the generated power control signal to the relay and thereby controls a transmit signal power with respect to the at least one relay.

    摘要翻译: 提供一种用于控制继电器的功率的方法和装置。 该装置包括:信号接收器,其接收从源或经由至少一个继电器直接发送到多个接收天线的信号; 信道信息获取单元,其获取所述源与所述至少一个中继之间的信道信息,并获取所述至少一个中继与所述多个接收天线之间的信道信息; 功率控制信号生成单元,其基于所获取的信道信息和最大SNR生成功率控制信号; 以及继电器功率控制单元,其向所述继电器发送所生成的功率控制信号,从而控制相对于所述至少一个继电器的发送信号功率。

    Apparatus for controlling power of relay in amplify-forward relay system and method using the same
    10.
    发明申请
    Apparatus for controlling power of relay in amplify-forward relay system and method using the same 有权
    用于控制放大前馈继电器系统中继电器功率的装置及使用其的方法

    公开(公告)号:US20080076349A1

    公开(公告)日:2008-03-27

    申请号:US11716695

    申请日:2007-03-12

    IPC分类号: H04B7/14

    摘要: A method and apparatus for controlling a power of a relay are provided. The apparatus includes: a signal receiver which receives signals which are transmitted to a plurality of receiving antennas directly from a source or via at least one relay; a channel information acquirement unit which acquires channel information between the source and the at least one relay, and acquires channel information between the at least one relay and the plurality of receiving antennas; a power control signal generation unit which generates a power control signal, based on the acquired channel information and a maximum SNR; and a relay power control unit which transmits the generated power control signal to the relay and thereby controls a transmit signal power with respect to the at least one relay.

    摘要翻译: 提供一种用于控制继电器的功率的方法和装置。 该装置包括:信号接收器,其接收从源或经由至少一个继电器直接发送到多个接收天线的信号; 信道信息获取单元,其获取所述源与所述至少一个中继之间的信道信息,并获取所述至少一个中继与所述多个接收天线之间的信道信息; 功率控制信号生成单元,其基于所获取的信道信息和最大SNR生成功率控制信号; 以及继电器功率控制单元,其向所述继电器发送所生成的功率控制信号,从而控制相对于所述至少一个继电器的发送信号功率。