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    Method and apparatus for controlling power in a decode-and-forward relay system
    21.
    发明授权
    Method and apparatus for controlling power in a decode-and-forward relay system 有权
    用于在解码和转发中继系统中控制功率的方法和装置

    公开(公告)号：US08199693B2

    公开(公告)日：2012-06-12

    申请号：US11859925

    申请日：2007-09-24

    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： H04B7/185 ,  H04B7/00 ,  H04B1/38 ,  H01Q11/12

    CPC分类号： H04W52/46 ,  H04B7/022 ,  H04B7/026 ,  H04W52/248

    摘要： A method and apparatus for controlling power in a decode-and-forward (DF) relay system is provided. The method of controlling power in a DF relay system includes: acquiring first channel information of a first link between a source node and a destination node, second channel information of a second link between the source node and a relay node, and third channel information of a third link between the relay node and the destination node, by using a pilot signal; determining a power level of the source node from the acquired first through third channel information; and feeding back the determined power level to the source node and the relay node.

    摘要翻译： 提供了一种用于在解码 - 转发（DF）中继系统中控制功率的方法和装置。 控制DF中继系统功率的方法包括：获取源节点与目的节点之间的第一链路的第一信道信息，源节点与中继节点之间的第二链路的第二信道信息，以及第 通过使用导频信号在中继节点和目的地节点之间的第三链路; 从所获取的第一到第三信道信息确定源节点的功率电平; 并将确定的功率电平反馈到源节点和中继节点。

    Method and apparatus for interference alignment in a wireless communication system
    22.
    发明授权
    Method and apparatus for interference alignment in a wireless communication system 有权
    用于无线通信系统中的干扰对准的方法和装置

    公开(公告)号：US09391730B2

    公开(公告)日：2016-07-12

    申请号：US14005456

    申请日：2012-03-19

    申请人： Bruno Clerckx ,  Duck Dong Hwang ,  Chun Kin Au Yeung ,  David James Love ,  Tae Joon Kim

    发明人： Bruno Clerckx ,  Duck Dong Hwang ,  Chun Kin Au Yeung ,  David James Love ,  Tae Joon Kim

    IPC分类号： H04W72/12 ,  H04J11/00 ,  H04L25/02 ,  H04L25/03 ,  H04B7/04 ,  H04B7/06 ,  H04B7/02

    CPC分类号： H04J11/005 ,  H04B7/0456 ,  H04B7/0617 ,  H04J11/0033 ,  H04L25/0204 ,  H04L25/0244 ,  H04L25/03955 ,  H04L25/0398

    摘要： The present invention relates to a method and apparatus for interference alignment in a wireless communication system. A method in which a terminal aligns interferences in a wireless communication system, which includes a first base station governing a first cell and a second base station governing a second cell, comprises: a step in which the terminal measures a serving channel from the first base station which is a serving base station and an interference channel from the second base station; a step of transmitting null space information orthogonal to the interference channel to the first base station; a step of measuring channels from the first base station and the second base station to which an inference alignment plane generated based on the null space information is applied, and generating a receiving filter; and a step of transmitting, to the first base station, the interference alignment plane, the receiving filter, and effective channel measurement value based on the channel from the first base station.

    摘要翻译： 本发明涉及无线通信系统中的干扰对准方法和装置。 一种终端对准无线通信系统中的干扰的方法，该无线通信系统包括控制第一小区的第一基站和管理第二小区的第二基站，包括：终端从第一基站测量服务信道的步骤 作为服务基站的站和来自第二基站的干扰信道; 向所述第一基站发送与所述干扰信道正交的空间信息的步骤; 测量来自第一基站和第二基站的信道的步骤，第一基站和第二基站根据零空间信息生成推理对准平面，并产生接收滤波器; 以及基于来自第一基站的信道向第一基站发送干扰对准平面，接收滤波器和有效信道测量值的步骤。

    Communication system for supporting primary user and secondary user
    23.
    发明授权
    Communication system for supporting primary user and secondary user 有权
    支持主用户和二级用户的通信系统

    公开(公告)号：US08811267B2

    公开(公告)日：2014-08-19

    申请号：US12190667

    申请日：2008-08-13

    申请人： Jun Mo Kim ,  Chang Soon Park ,  Duck Dong Hwang ,  Sung Jin Kim ,  Pramod Viswanath

    发明人： Jun Mo Kim ,  Chang Soon Park ,  Duck Dong Hwang ,  Sung Jin Kim ,  Pramod Viswanath

    IPC分类号： H04B7/204

    CPC分类号： H04W72/046 ,  H04B7/0452 ,  H04B7/0617 ,  H04B7/0695 ,  H04L5/0037 ,  H04L5/0044 ,  H04W16/28 ,  H04W72/087 ,  H04W72/121

    摘要： A communication system for supporting a primary user and a secondary user is provided. A base station of a communication system, includes a scheduler to group at least one primary user and at least one secondary user corresponding to each of the at least one primary user according to characteristics of services desired by users, a superposition coding unit to perform superposition coding for primary data associated with the at least one primary user and secondary data associated with the at least one secondary user to generate a transmission data stream, and a beamformer to perform beamforming for the transmission data stream.

    摘要翻译： 提供了用于支持主用户和次用户的通信系统。 通信系统的基站包括调度器，用于根据用户期望的业务的特性对至少一个主用户和对应于至少一个主用户中的每一个的至少一个次用户进行分组，叠加编码单元执行叠加 编码与所述至少一个主用户相关联的主要数据和与所述至少一个次要用户相关联的次要数据以生成传输数据流;以及波束形成器，用于为所述传输数据流执行波束成形。

    Apparatus and method for transmitting data based on quantized channel state information
    24.
    发明授权
    Apparatus and method for transmitting data based on quantized channel state information 有权
    基于量化信道状态信息发送数据的装置和方法

    公开(公告)号：US08385957B2

    公开(公告)日：2013-02-26

    申请号：US12470954

    申请日：2009-05-22

    申请人： Duck Dong Hwang ,  Ki Il Kim

    发明人： Duck Dong Hwang ,  Ki Il Kim

    IPC分类号： H04B15/00

    CPC分类号： H04L25/03343 ,  H04L2025/03426 ,  H04L2025/03802

    摘要： A base station apparatus including a receiving unit to receive, from a terminal, quantized channel state information with respect to a radio channel from a plurality of transmission antennas of the base station apparatus to a plurality of receiving antennas of the terminal. A control unit to determine a control ratio of interference signal to noise with respect to the radio channel based on the channel state information. A precoding matrix computing unit to compute a precoding matrix based on the control ratio of interference signal to noise and a transmission unit to transmit data to one or more of the connected terminals using the precoding matrix.

    摘要翻译： 一种基站装置，包括：接收单元，从终端接收关于从所述基站装置的多个发送天线到所述终端的多个接收天线的无线信道的量化信道状态信息。 一种控制单元，用于基于信道状态信息来确定相对于无线信道的干扰信号与噪声的控制比。 一种预编码矩阵计算单元，用于基于干扰信号与噪声的控制比来计算预编码矩阵;以及发送单元，用于使用所述预编码矩阵向连接的一个或多个终端发送数据。

    METHOD AND APPARATUS FOR CONTROLLING POWER IN A DECODE-AND-FORWARD RELAY SYSTEM
    26.
    发明申请
    METHOD AND APPARATUS FOR CONTROLLING POWER IN A DECODE-AND-FORWARD RELAY SYSTEM 有权
    用于控制转向和继续继电器系统中的电力的方法和装置

    公开(公告)号：US20080170512A1

    公开(公告)日：2008-07-17

    申请号：US11859925

    申请日：2007-09-24

    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： H04L12/28

    CPC分类号： H04W52/46 ,  H04B7/022 ,  H04B7/026 ,  H04W52/248

    摘要： A method and apparatus for controlling power in a decode-and-forward (DF) relay system is provided. The method of controlling power in a DF relay system includes: acquiring first channel information of a first link between a source node and a destination node, second channel information of a second link between the source node and a relay node, and third channel information of a third link between the relay node and the destination node, by using a pilot signal; determining a power level of the source node from the acquired first through third channel information; and feeding back the determined power level to the source node and the relay node.

    摘要翻译： 提供了一种用于在解码 - 转发（DF）中继系统中控制功率的方法和装置。 控制DF中继系统功率的方法包括：获取源节点与目的节点之间的第一链路的第一信道信息，源节点与中继节点之间的第二链路的第二信道信息，以及第 通过使用导频信号在中继节点和目的地节点之间的第三链路; 从所获取的第一到第三信道信息确定源节点的功率电平; 并将确定的功率电平反馈到源节点和中继节点。

    TRANSMITTER, RECEIVER, AND METHOD OF SUPPORTING SPACE TIME BLOCK CODE SCHEME IN SINGLE CARRIER SYSTEM BASED ON UNIQUE WORD
    27.
    发明申请
    TRANSMITTER, RECEIVER, AND METHOD OF SUPPORTING SPACE TIME BLOCK CODE SCHEME IN SINGLE CARRIER SYSTEM BASED ON UNIQUE WORD 有权
    发送机，接收机和基于独特字支持单载波系统中的时间块编码方案的方法

    公开(公告)号：US20080089441A1

    公开(公告)日：2008-04-17

    申请号：US11775348

    申请日：2007-07-10

    申请人： Duck Dong HWANG ,  Chang Wook AHN ,  Chan-Ho CHOI ,  Gi Hong IM ,  Jong-Bu LIM

    发明人： Duck Dong HWANG ,  Chang Wook AHN ,  Chan-Ho CHOI ,  Gi Hong IM ,  Jong-Bu LIM

    IPC分类号： H04L27/04

    CPC分类号： H04L25/03159 ,  H04B7/0669 ,  H04L1/0625 ,  H04L25/03146 ,  H04L2025/03414 ,  H04L2025/03426

    摘要： A transmitter, a receiver, and a method of supporting a space time block code (STBC) scheme in a single carrier (SC) system based on a unique word (UW) are provided. The transmitter supporting an STBC scheme in an SC system based on a UW includes: a space time (ST) encoder encoding a plurality of symbols, which has been received according to a predetermined pattern, using a space time encoding; a first UW adder generating a first transmission sequence by inserting a first UW after a first symbol, from the encoded plurality of symbols; and a second UW adder generating a second transmission sequence by inserting a second UW after a second symbol, from the encoded plurality of symbols.

    摘要翻译： 提供了基于唯一字（UW）的单载波（SC）系统中的发射机，接收机和支持空时分组码（STBC）方案的方法。 在基于UW的SC系统中支持STBC方案的发射机包括：使用空间时间编码对已经根据预定模式接收的多个符号编码的空间时间（ST）编码器; 第一UW加法器，通过从编码的多个符号插入第一符号之后的第一UW而产生第一传输序列; 以及第二UW加法器，通过从编码的多个符号插入第二符号之后的第二UW，产生第二传输序列。

    Apparatus for controlling power of relay in amplify-forward relay system and method using the same
    28.
    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

    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： 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。

    Explicit outband signaling method in a wireless network supporting cognitive radio technology
    29.
    发明申请
    Explicit outband signaling method in a wireless network supporting cognitive radio technology 有权
    支持认知无线电技术的无线网络中的显式带外信令方法

    公开(公告)号：US20070207737A1

    公开(公告)日：2007-09-06

    申请号：US11711611

    申请日：2007-02-28

    申请人： Junhong Hui ,  Jae-Myeong Kim ,  Sang-Ja Yoo ,  Duck-Dong Hwang ,  Jae-Hak Chung ,  Kwon-Moon No

    发明人： Junhong Hui ,  Jae-Myeong Kim ,  Sang-Ja Yoo ,  Duck-Dong Hwang ,  Jae-Hak Chung ,  Kwon-Moon No

    IPC分类号： H04B1/00

    CPC分类号： H04W16/14 ,  H04W72/042 ,  H04W76/10

    摘要： An explicit outband signaling method for detecting sharable resources for management of public resources in a wireless network supporting Cognitive Radio (CR) technology. To this end, the invention transmits state information for the current channel to a CR system in order to enable communication of the CR users, whose communication with the CR system is impossible due to an influence of an incumbent system, thereby allowing the CR system to stop the use of the interference channel, and to provide a corresponding service with another channel.

    摘要翻译： 一种用于在支持认知无线电（CR）技术的无线网络中检测用于管理公共资源的可共享资源的显式带外信令方法。 为此，本发明将用于当前频道的状态信息发送到CR系统，以便能够进行与CR系统的通信由于现有系统的影响而与CR系统的通信的CR用户的通信，从而允许CR系统 停止使用干扰信道，并向另一个信道提供相应的业务。