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    Apparatus and method for detecting signal in multiple-input multiple-output (MIMO) wireless communication system
    2.
    发明授权
    Apparatus and method for detecting signal in multiple-input multiple-output (MIMO) wireless communication system 有权
    用于在多输入多输出（MIMO）无线通信系统中检测信号的装置和方法

    公开(公告)号：US08000422B2

    公开(公告)日：2011-08-16

    申请号：US12157679

    申请日：2008-06-12

    申请人： Joo-Hyun Lee ,  Sang-Boh Yun ,  Young-Hoon Kwon ,  Soong-Yoon Choi ,  Yong-Soo Cho ,  Tae-Ho Im ,  Jae-Kwon Kim

    发明人： Joo-Hyun Lee ,  Sang-Boh Yun ,  Young-Hoon Kwon ,  Soong-Yoon Choi ,  Yong-Soo Cho ,  Tae-Ho Im ,  Jae-Kwon Kim

    IPC分类号： H04B1/10

    CPC分类号： H04L25/067 ,  H04L27/38

    摘要： Receiving apparatus and method in a Multiple-Input Multiple-Output (MIMO) wireless communication system are provided. The receiver having N-ary receive antennas includes a decomposer for decomposing a channel matrix to a matrix Q and a matrix R through a QR decomposition; a detector for determining a candidate group of an n-th phase by estimating a plurality of transmit signal vectors by substituting a plurality of transmittable symbols into symbol combinations of a candidate group of a (n−1)-th phase as an n-th symbol and detecting (n+1)-th through N-th symbols using characteristics of the matrix R; a calculator for calculating square Euclidean distance values between the transmit signal vectors and a receive signal vector; and a determiner for determining the candidate group of the n-th phase by selecting transmit signal vectors having the smallest square Euclidean distance value among the transmit signal vectors.

    摘要翻译： 提供了一种多输入多输出（MIMO）无线通信系统中的接收装置和方法。 具有N元接收天线的接收机包括用于通过QR分解将信道矩阵分解为矩阵Q和矩阵R的分解器; 检测器，用于通过将第（n-1）个相位的候选组的符号组合替换为第n个第（n-1）个相位的符号组合来估计多个发送信号向量来确定第n相的候选组， 符号和检测（n + 1）到第N个符号，使用矩阵R的特性; 用于计算发射信号矢量与接收信号矢量之间的欧氏距离值的计算器; 以及确定器，用于通过选择发送信号向量中具有最小的欧氏距离值的发送信号矢量来确定第n相的候选组。

    APPARATUS AND METHOD FOR CANCELING INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM
    4.
    发明申请
    APPARATUS AND METHOD FOR CANCELING INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM 审中-公开
    在无线通信系统中取消干扰的装置和方法

    公开(公告)号：US20080032632A1

    公开(公告)日：2008-02-07

    申请号：US11834788

    申请日：2007-08-07

    申请人： Soong-Yoon CHOI ,  Young-Hoon KWON ,  Sang-Boh YUN

    发明人： Soong-Yoon CHOI ,  Young-Hoon KWON ,  Sang-Boh YUN

    IPC分类号： H04B17/00 ,  H04B1/00 ,  H04L12/28 ,  H04M1/00

    CPC分类号： H04B7/10 ,  H04W28/06 ,  H04W48/08

    摘要： An apparatus and method for canceling interference from other MSs in an space-division wireless communication system are provided. The apparatus and method include a subframe for transmitting control information from a BS to MSs which is configured in a first region of the frame, and a subframe for transmitting and receiving signals between the BS and the MSs which is configured in a second region of the frame. The apparatus and method reduce consumption of time and frequency resources in a wireless communication system.

    摘要翻译： 提供一种用于消除空分无线通信系统中的其他MS的干扰的装置和方法。 该装置和方法包括：用于将控制信息从BS发送到配置在该帧的第一区域中的MS的子帧，以及用于在BS与MS之间发送和接收信号的子帧，其被配置在该第二区域的第二区域中 帧。 该装置和方法减少无线通信系统中时间和频率资源的消耗。

    Apparatus and method for generating log likelihood ratio in multiple-input multiple-output communication system
    5.
    发明申请
    Apparatus and method for generating log likelihood ratio in multiple-input multiple-output communication system 有权
    在多输入多输出通信系统中产生对数似然比的装置和方法

    公开(公告)号：US20070237272A1

    公开(公告)日：2007-10-11

    申请号：US11784435

    申请日：2007-04-07

    申请人： Keun-Chul Hwang ,  Soong-Yoon Choi ,  Soon-Young Yoon

    发明人： Keun-Chul Hwang ,  Soong-Yoon Choi ,  Soon-Young Yoon

    IPC分类号： H04L1/02

    CPC分类号： H04L25/067 ,  H04B7/0697 ,  H04B7/0854 ,  H04L25/03184 ,  H04L27/38 ,  H04L2025/03426

    摘要： An apparatus and method for generating LLRs in an MIMO communication system. In a receiver for a spatial multiplexing communication system, a determiner performs an MML decoding operation in an ascending or descending order of TX antennas to estimate a plurality of candidate TX vectors. A distance calculator calculates a Euclidean distance for each of the candidate TX vectors from the determiner. An LLR calculator calculates LLRs using the Euclidean distances from the distance calculator. Accordingly, it is possible to generate an LLR with high reliability at low complexity in an MIMO communication system.

    摘要翻译： 一种用于在MIMO通信系统中生成LLR的装置和方法。 在用于空间复用通信系统的接收机中，确定器以TX天线的升序或降序执行MML解码操作，以估计多个候选TX向量。 距离计算器计算来自确定器的每个候选TX矢量的欧几里得距离。 LLR计算器使用距离计算器的欧氏距离计算LLR。 因此，可以在MIMO通信系统中以低复杂度生成具有高可靠性的LLR。

    Iterative detection and decoding apparatus and method in MIMO system
    6.
    发明申请
    Iterative detection and decoding apparatus and method in MIMO system 有权
    MIMO系统中的迭代检测和解码设备和方法

    公开(公告)号：US20070230609A1

    公开(公告)日：2007-10-04

    申请号：US11640618

    申请日：2006-12-18

    申请人： Keun-Chul Hwang ,  Sung-Woo Park ,  Soon-Young Yoon ,  Young-Hoon Kwon ,  Sung-Soo Hwang ,  Soong-Yoon Choi

    发明人： Keun-Chul Hwang ,  Sung-Woo Park ,  Soon-Young Yoon ,  Young-Hoon Kwon ,  Sung-Soo Hwang ,  Soong-Yoon Choi

    IPC分类号： H04L1/02

    CPC分类号： H04L1/005 ,  H04L25/03171 ,  H04L25/03318

    摘要： An iterative detection and decoding method in a Multiple Input Multiple Output (MIMO) system includes detecting entire MIMO nodes to generate soft decision values; decoding a first soft decision value among the soft decision values; determining whether to perform an iterative detection and decoding by measuring reliability of the decoded first decoding signal; generating a soft decision value by performing a redetection of a MIMO node containing the soft decision value, when the decoded soft decision value is iteratively detected and decoded; and decoding a second soft decision value among the soft decision values.

    摘要翻译： 多输入多输出（MIMO）系统中的迭代检测和解码方法包括检测整个MIMO节点以产生软判决值; 解码软判决值中的第一软判决值; 通过测量解码的第一解码信号的可靠性来确定是否执行迭代检测和解码; 当解码的软判决值被迭代检测和解码时，通过执行包含软判决值的MIMO节点的重新检测来产生软判决值; 以及对所述软判决值中的第二软判决值进行解码。

    System and method for performing handover in a mobile communication system
    7.
    发明申请
    System and method for performing handover in a mobile communication system 审中-公开
    用于在移动通信系统中执行切换的系统和方法

    公开(公告)号：US20060276191A1

    公开(公告)日：2006-12-07

    申请号：US11433268

    申请日：2006-05-12

    申请人： Sung-Soo Hwang ,  Soong-Yoon Choi ,  Sei-Jei Cho ,  Soon-Young Yoon ,  Ki-Young Han ,  Yong-Seok Kim ,  Eun-Sun Choi ,  Young-Hoon Kwon

    发明人： Sung-Soo Hwang ,  Soong-Yoon Choi ,  Sei-Jei Cho ,  Soon-Young Yoon ,  Ki-Young Han ,  Yong-Seok Kim ,  Eun-Sun Choi ,  Young-Hoon Kwon

    IPC分类号： H04Q7/20

    CPC分类号： H04W36/30

    摘要： Provided is a method for determining handover of a mobile station by a serving base station in a mobile communication system. The method includes receiving traffic quality information from the mobile station; determining whether the traffic quality information satisfies a preset setting condition; if the traffic quality information satisfies the setting condition, sending a request for pilot signal strength measurement for the serving base station and adjacent base stations to the mobile station; receiving pilot signal strengths of the base stations, reported by the mobile station; determining whether there is a corresponding base station whose pilot signal strength exceeds the pilot signal strength of the serving base station; and determining handover of the mobile station to the corresponding base station.

    摘要翻译： 提供了一种用于在移动通信系统中由服务基站确定移动台的切换的方法。 该方法包括从移动台接收流量质量信息; 确定所述交通质量信息是否满足预设的设置条件; 如果业务质量信息满足设置条件，则向移动台发送对服务基站和相邻基站的导频信号强度测量请求; 接收由移动台报告的基站的导频信号强度; 确定导频信号强度是否超过服务基站的导频信号强度的对应基站; 以及确定移动台到相应的基站的切换。

    Apparatus and method for extending number of antennas in a wireless communication system using multiple antennas
    10.
    发明申请
    Apparatus and method for extending number of antennas in a wireless communication system using multiple antennas 有权
    在使用多个天线的无线通信系统中扩展天线数量的装置和方法

    公开(公告)号：US20070064830A1

    公开(公告)日：2007-03-22

    申请号：US11523278

    申请日：2006-09-18

    申请人： Soong-Yoon Choi ,  Gun-Chul Hwang ,  Chan-Byoung Chae ,  Seung-Hoon Nam

    发明人： Soong-Yoon Choi ,  Gun-Chul Hwang ,  Chan-Byoung Chae ,  Seung-Hoon Nam

    IPC分类号： H04L1/02

    CPC分类号： H04L1/0656 ,  H04B7/063 ,  H04B7/0634 ,  H04B7/0689 ,  H04L25/0206 ,  H04L25/0224 ,  H04L27/2608

    摘要： An apparatus and method for simultaneously providing service to users each having a different number of antennas in a multiple-antenna wireless communication system are provided. The communication method discloses a BS in a wireless communication system that services a first multiple antenna mode using X transmit antennas and a second multiple antenna mode using Y transmit antennas such that (Y>X), the BS determines an MS to be serviced in the second multiple antenna mode and receives a sounding signal from the MS. The BS estimates an uplink channel using the received sounding signal and acquires downlink channel values using estimated uplink channel values. Then the BS services the MS in the second multiple antenna mode using the downlink channel values.

    摘要翻译： 提供了一种用于在多天线无线通信系统中同时向具有不同天数的用户提供服务的装置和方法。 该通信方法公开了使用X个发射天线来服务第一多天线模式的无线通信系统中的BS，以及使用Y个发射天线的第二多天线模式，使得（Y> X），BS确定要在 第二多天线模式并从MS接收探测信号。 BS使用接收到的探测信号估计上行链路信道，并且使用估计的上行链路信道值来获取下行链路信道值。 然后BS使用下行链路信道值在第二多天线模式中服务于MS。