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    Space frequency block code signal processing and relaying system
    4.
    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

    申请人： Eung Sun Kim ,  Young-Doo Kim ,  Tae Soo Kwon ,  Dae-Young Seol ,  Gi Hong Im ,  Ui Kun Kwon

    发明人： Eung Sun Kim ,  Young-Doo Kim ,  Tae Soo Kwon ,  Dae-Young Seol ,  Gi Hong Im ,  Ui Kun Kwon

    IPC分类号： H04W4/00 ,  H04L12/28 ,  H04J3/16 ,  H04B7/155 ,  H04L1/06 ,  H04L1/00

    CPC分类号： H04B7/15542 ,  H04L1/0606 ,  H04L2001/0097

    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。

    Apparatus and method for adaptively modulating signal by using layered time-space detector used in MIMO system
    5.
    再颁专利
    Apparatus and method for adaptively modulating signal by using layered time-space detector used in MIMO system 有权
    利用MIMO系统中分层时空检测器对信号进行自适应调制的装置和方法

    公开(公告)号：USRE44092E1

    公开(公告)日：2013-03-19

    申请号：US12949425

    申请日：2010-11-18

    申请人： Young-Doo Kim ,  Inhyoung Kim ,  Heejung Yu ,  Jihoon Choi ,  Taehyun Jeon ,  Jae-Young Ahn ,  Yong-Hoon Lee

    发明人： Young-Doo Kim ,  Inhyoung Kim ,  Heejung Yu ,  Jihoon Choi ,  Taehyun Jeon ,  Jae-Young Ahn ,  Yong-Hoon Lee

    IPC分类号： H04B7/02

    CPC分类号： H04B7/0891 ,  H04B7/0417 ,  H04B7/0626 ,  H04B7/0697 ,  H04L1/0003 ,  H04L1/0656 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0028 ,  H04L5/0046 ,  H04L5/006 ,  H04W52/42

    摘要： An apparatus for adaptively modulating/demodulating signals in a multi-input multi-output (MIMO) system having a layered time-space architecture detector and a method thereof is disclosed. The apparatus includes: a bit and power allocation information calculator for deciding an equivalent channel gain in a reverse order of Vertical-Bell laboratories Space Time (V-BLAST) based on MIMO channel information feedbacked from a receiver and determining the number of bits and transmission power to be transmitted to each transmitting antenna by using the equivalent channel gain; and adaptive modulation means for modulating signal of each layer with corresponding modulation method based on the determined number of bits and transmitting power, controlling the transmitting power and transmitting the adaptively modulated signal through each transmitting antenna. The present invention can improve performance without increase of implementation complexity and easily expand to MIMO-OFDM system by adaptively modulating and demodulating signals in reverse order of conventional V-BLAST detection method.

    摘要翻译： 公开了一种用于在具有分层时空架构检测器及其方法的多输入多输出（MIMO）系统中自适应地调制/解调信号的装置。 该装置包括：位和功率分配信息计算器，用于基于从接收机反馈的MIMO信道信息来确定垂直 - 贝尔实验室空时（V-BLAST）的相反顺序的等效信道增益，并确定比特数和传输次数 通过使用等效信道增益发送到每个发射天线的功率; 以及自适应调制装置，用于根据所确定的比特数和发送功率，通过相应的调制方法对每一层的信号进行调制，控制发送功率，并通过每个发送天线发送自适应调制信号。 本发明可以通过以常规V-BLAST检测方法的相反顺序自适应调制和解调信号，而不增加实现复杂度并且容易地扩展到MIMO-OFDM系统。

    Apparatus for controlling power of relay in amplify-forward relay system and method using the same
    7.
    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

    申请人： Duck Dong Hwang ,  Eung Sun Kim ,  Young-Doo Kim ,  Chang Wook Ahn

    发明人： Duck Dong Hwang ,  Eung Sun Kim ,  Young-Doo Kim ,  Chang Wook Ahn

    IPC分类号： H04B3/36 ,  H04B7/14

    CPC分类号： H04B7/15535 ,  H04B7/043 ,  H04W52/46

    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。

    Space frequency block code signal processing system
    8.
    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

    申请人： Eung Sun Kim ,  Young-Doo Kim ,  Tae Soo Kwon ,  Dae-Young Seol ,  Gi Hong Im ,  Ui Kun Kwon

    发明人： Eung Sun Kim ,  Young-Doo Kim ,  Tae Soo Kwon ,  Dae-Young Seol ,  Gi Hong Im ,  Ui Kun Kwon

    IPC分类号： H04B7/14

    CPC分类号： H04B7/15542 ,  H04L1/0606 ,  H04L2001/0097

    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。

    Relay-based communication system and method processing signal without cyclic prefix
    9.
    发明授权
    Relay-based communication system and method processing signal without cyclic prefix 有权
    基于中继的通信系统和方法处理信号无循环前缀

    公开(公告)号：US08451916B2

    公开(公告)日：2013-05-28

    申请号：US12098464

    申请日：2008-04-07

    申请人： Ui Kun Kwon ,  Young-Doo Kim ,  Gi Hong Im ,  Dae-Young Seol ,  Won-Jae Shin

    发明人： Ui Kun Kwon ,  Young-Doo Kim ,  Gi Hong Im ,  Dae-Young Seol ,  Won-Jae Shin

    IPC分类号： H04L27/28

    CPC分类号： H04B7/15592

    摘要： A relay-based communication system and method processing a signal without a cyclic prefix is provided. An apparatus for generating a relay signal includes a signal receiving unit which receives a source signal transmitted from a source node to a relay node and detects a received signal, a signal conversion unit which extracts samples corresponding to a first time duration from the received signal, sums the received signal and the extracted samples in a second time duration, and generates a converted received signal, a relay signal generation unit which generates a relay signal cooperating with the source signal based on the converted received signal according to a space frequency block code (SFBC) scheme, and a signal transmission unit which transmits the generated relay signal to a destination node.

    摘要翻译： 提供一种基于中继的通信系统和处理没有循环前缀的信号的方法。 一种用于产生中继信号的装置，包括信号接收单元，该信号接收单元接收从源节点发送到中继节点的源信号并检测接收信号;信号转换单元，从接收到的信号中提取与第一持续时间相对应的样本， 在第二持续时间内对接收到的信号和提取的样本求和，并产生转换的接收信号;继电器信号生成单元，根据空间频率块码，生成与源信号协调的中继信号 SFBC）方案，以及将生成的中继信号发送到目的地节点的信号发送单元。

    Apparatus and method of reconstructing amplitude-clipped signal
    10.
    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

    申请人： Young-Doo Kim ,  Eung Sun Kim ,  Tae Soo Kwon ,  Ui Kun Kwon ,  Gi Hong Im ,  Dong Sik Kim

    发明人： Young-Doo Kim ,  Eung Sun Kim ,  Tae Soo Kwon ,  Ui Kun Kwon ,  Gi Hong Im ,  Dong Sik Kim

    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。