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    Method for interference alignment in wireless network
    1.
    发明授权
    Method for interference alignment in wireless network 有权
    无线网络干扰对准方法

    公开(公告)号：US08843166B2

    公开(公告)日：2014-09-23

    申请号：US13575285

    申请日：2011-02-01

    申请人： Han Byul Seo ,  Kaibin Huang ,  Soon Suk Roh ,  Sung Yoon Cho ,  Hyuk Jin Chae ,  Byoung Hoon Kim ,  Dong Ku Kim

    发明人： Han Byul Seo ,  Kaibin Huang ,  Soon Suk Roh ,  Sung Yoon Cho ,  Hyuk Jin Chae ,  Byoung Hoon Kim ,  Dong Ku Kim

    IPC分类号： H04B15/00

    CPC分类号： H04B7/0417 ,  H04B7/0617 ,  H04B7/0626 ,  H04L1/0029 ,  H04L25/03343 ,  H04L2025/03808 ,  H04W52/04

    摘要： A method for interference alignment in wireless network having 3 transmitters and 3 receivers which are equipped with M antennas is provided. The method comprising: transmitting, performed by each of the 3 transmitters, a pilot signal known to the 3 receivers; estimating, performed by each of the 3 receivers, each channel from transmitter; transmitting, performed by each of the 3 receivers, feedback information to target transmitter; and determining, performed by transmitter 2 and transmitter 3, a precoding vector; wherein a degree of freedom (DoF) of a transmitter 1 is (M/2−α), a DoF of the transmitter 2 or the transmitter 3 is M/2.

    摘要翻译： 提供了一种具有3个发射机和3个接收机的无线网络中的配备M个天线的干扰对准方法。 该方法包括：由3个发射机中的每一个发送由3个接收机已知的导频信号; 估计，由3个接收机中的每一个执行，来自发射机的每个信道; 由3个接收机中的每一个发送，向目标发射机发送反馈信息; 并由发射机2和发射机3确定预编码向量; 其中发射机1的自由度（DoF）为（M / 2-α），发射机2或发射机3的DoF为M / 2。

    Power control method for interference alignment in wireless network
    2.
    发明授权
    Power control method for interference alignment in wireless network 有权
    无线网络中干扰对准的功率控制方法

    公开(公告)号：US08818445B2

    公开(公告)日：2014-08-26

    申请号：US13576385

    申请日：2011-02-01

    申请人： Han Byul Seo ,  Kaibin Huang ,  Soon Suk Roh ,  Sung Yoon Cho ,  Hyuk Jin Chae ,  Byoung Hoon Kim ,  Dong Ku Kim

    发明人： Han Byul Seo ,  Kaibin Huang ,  Soon Suk Roh ,  Sung Yoon Cho ,  Hyuk Jin Chae ,  Byoung Hoon Kim ,  Dong Ku Kim

    IPC分类号： H04B7/00

    CPC分类号： H04B7/0417 ,  H04B7/0617 ,  H04B7/0626 ,  H04L1/0029 ,  H04L25/03343 ,  H04L2025/03808 ,  H04W52/04

    摘要： A power control method for interference alignment in wireless network having K transmitters and K receivers is provided. The method includes: receiving, performed by receiver n (n is an integer, 1≦n≦K−1), a power indication signal of transmitter n+1 from the transmitter n+1; determining, performed by the receiver n, power of transmitter n; and transmitting, performed by the receiver n, a power indication signal of transmitter n to the transmitter n, wherein the power of transmitter n is determined based on a residual interference of the receiver n, and the power indication signal of transmitter n indicates a minimum transmission power or a maximum transmission power of transmitter n.

    摘要翻译： 提供了一种用于具有K个发射机和K个接收机的无线网络中的干扰对准的功率控制方法。 该方法包括：由发射机n + 1发射机n + 1的功率指示信号，由接收机n（n为整数，1＆nlE; n＆nlE; K-1） 确定由接收机n执行的发射机n的功率; 并且由接收机n执行发射机n的功率指示信号到发射机n，其中，基于接收机n的残余干扰来确定发射机n的功率，并且发射机n的功率指示信号表示最小 发射功率或发射机n的最大发射功率。

    POWER CONTROL METHOD FOR INTERFERENCE ALIGNMENT IN WIRELESS NETWORK
    4.
    发明申请
    POWER CONTROL METHOD FOR INTERFERENCE ALIGNMENT IN WIRELESS NETWORK 有权
    无线网络干扰对齐功率控制方法

    公开(公告)号：US20120302280A1

    公开(公告)日：2012-11-29

    申请号：US13576385

    申请日：2011-02-01

    申请人： Han Byul Seo ,  Kaibin Huang ,  Soon Suk Roh ,  Sung Yoon Cho ,  Hyuk Jin Chae ,  Byoung Hoon Kim ,  Dong Ku Kim

    发明人： Han Byul Seo ,  Kaibin Huang ,  Soon Suk Roh ,  Sung Yoon Cho ,  Hyuk Jin Chae ,  Byoung Hoon Kim ,  Dong Ku Kim

    IPC分类号： H04W52/04

    CPC分类号： H04B7/0417 ,  H04B7/0617 ,  H04B7/0626 ,  H04L1/0029 ,  H04L25/03343 ,  H04L2025/03808 ,  H04W52/04

    摘要： A power control method for interference alignment in wireless network having K transmitters and K receivers is provided. The method comprising: receiving, performed by receiver n (n is an integer, 1≦n≦K−1), a power indication signal of transmitter n+1 from the transmitter n+1; determining, performed by the receiver n, power of transmitter n; and transmitting, performed by the receiver n, a power indication signal of transmitter n to the transmitter n, wherein the power of transmitter n is determined based on a residual interference of the receiver n, and the power indication signal of transmitter n indicates a minimum transmission power or a maximum transmission power of transmitter n.

    摘要翻译： 提供了一种用于具有K个发射机和K个接收机的无线网络中的干扰对准的功率控制方法。 该方法包括：由发射机n + 1发射机n + 1的功率指示信号由接收机n（n为整数，1＆nlE; n＆nlE; K-1） 确定由接收机n执行的发射机n的功率; 并且由接收机n执行发射机n的功率指示信号到发射机n，其中，基于接收机n的残余干扰来确定发射机n的功率，并且发射机n的功率指示信号表示最小 发射功率或发射机n的最大发射功率。

    METHOD FOR INTERFERENCE ALIGNMENT IN WIRELESS NETWORK
    5.
    发明申请
    METHOD FOR INTERFERENCE ALIGNMENT IN WIRELESS NETWORK 有权
    无线网络干扰对齐方法

    公开(公告)号：US20120289267A1

    公开(公告)日：2012-11-15

    申请号：US13575285

    申请日：2011-02-01

    申请人： Han Byul Seo ,  Kaibin Huang ,  Soon Suk Roh ,  Sung Yoon Cho ,  Hyuk Jin Chae ,  Byoung Hoon Kim ,  Dong Ku Kim

    发明人： Han Byul Seo ,  Kaibin Huang ,  Soon Suk Roh ,  Sung Yoon Cho ,  Hyuk Jin Chae ,  Byoung Hoon Kim ,  Dong Ku Kim

    IPC分类号： H04B15/00

    CPC分类号： H04B7/0417 ,  H04B7/0617 ,  H04B7/0626 ,  H04L1/0029 ,  H04L25/03343 ,  H04L2025/03808 ,  H04W52/04

    摘要： A method for interference alignment in wireless network having 3 transmitters and 3 receivers which are equipped with M antennas is provided. The method comprising: transmitting, performed by each of the 3 transmitters, a pilot signal known to the 3 receivers; estimating, performed by each of the 3 receivers, each channel from transmitter; transmitting, performed by each of the 3 receivers, feedback information to target transmitter; and determining, performed by transmitter 2 and transmitter 3, a precoding vector; wherein a degree of freedom(DoF) of a transmitter 1 is (M/2−α), a DoF of the transmitter 2 or the transmitter 3 is M/2.

    摘要翻译： 提供了一种具有3个发射机和3个接收机的无线网络中的配备M个天线的干扰对准方法。 该方法包括：由3个发射机中的每一个发送由3个接收机已知的导频信号; 估计，由3个接收机中的每一个执行，来自发射机的每个信道; 由3个接收机中的每一个发送，向目标发射机发送反馈信息; 并由发射机2和发射机3确定预编码向量; 其中发射机1的自由度（DoF）为（M / 2-α），发射机2或发射机3的DoF为M / 2。

    METHOD AND DEVICE FOR GENERATING PRECODING MATRIX IN WIRELESS COMMUNICATION SYSTEM
    10.
    发明申请
    METHOD AND DEVICE FOR GENERATING PRECODING MATRIX IN WIRELESS COMMUNICATION SYSTEM 有权
    用于在无线通信系统中生成预编码矩阵的方法和装置

    公开(公告)号：US20130202059A1

    公开(公告)日：2013-08-08

    申请号：US13880561

    申请日：2011-09-02

    申请人： Ki Jun Kim ,  Sung Yoon Cho ,  Dong Ku Kim ,  Jin Young Jang ,  Byoung Hoon Kim ,  Hyuk Jin Chae

    发明人： Ki Jun Kim ,  Sung Yoon Cho ,  Dong Ku Kim ,  Jin Young Jang ,  Byoung Hoon Kim ,  Hyuk Jin Chae

    IPC分类号： H04B7/04

    CPC分类号： H04B7/0456 ,  H04B7/0478 ,  H04B7/063 ,  H04L5/0023 ,  H04L25/0222 ,  H04L25/0391 ,  H04L25/03949 ,  H04L2025/03414

    摘要： Provided is a method and a device for generating a precoding matrix in a wireless communication system. The method for generating the precoding matrix comprises a step of receiving from a terminal feedback including information on the error angle θ of channel direction information (CDI), which indicates the direction of a channel direction vector, and a step of generating the precoding matrix based on the information on the error angle θ of the CDI, wherein the error angle θ of the CDI indicates the angle between the channel direction vector and a quantized channel direction vector, and includes at least one of a channel quantization error component, a channel feedback delay error component, and a channel estimation error component.

    摘要翻译： 提供了一种用于在无线通信系统中生成预编码矩阵的方法和装置。 用于生成预编码矩阵的方法包括从终端接收包括指示信道方向向量的方向的信道方向信息（CDI）的错误角度θ的信息的步骤，以及生成预编码矩阵的步骤 关于CDI的错误角θ的信息，其中CDI的误差角θ表示信道方向向量与量化信道方向向量之间的角度，并且包括信道量化误差分量，信道反馈 延迟误差分量和信道估计误差分量。