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    Multiple-input multiple-output communication method and multiple-input multiple-output communication system of enabling the method
    1.
    发明授权
    Multiple-input multiple-output communication method and multiple-input multiple-output communication system of enabling the method 有权
    多输入多输出通信方式和多输入多输出通信系统实现该方法

    公开(公告)号：US08279960B2

    公开(公告)日：2012-10-02

    申请号：US12107265

    申请日：2008-04-22

    申请人： Jun Mo Kim ,  Chang Soon Park ,  Ki-Hong Park ,  Young-Chai Ko ,  Jung Hoon Suh ,  Sung Jin Kim

    发明人： Jun Mo Kim ,  Chang Soon Park ,  Ki-Hong Park ,  Young-Chai Ko ,  Jung Hoon Suh ,  Sung Jin Kim

    IPC分类号： H04L1/02

    CPC分类号： H04B7/0691 ,  H04B7/0452

    摘要： A Multiple-Input Multiple-Output (MIMO) communication system and method. The MIMO communication system includes: an antenna number determination unit to determine a number of active antennas among a plurality of transmitting antennas based on a power of a transmission signal wherein the number of active antennas is at least one and the at least one active antenna transmits the transmission signal; and a beam generator to generate the transmission signal corresponding to the number of active antennas by using channel information wherein the channel information is fed back from each of a plurality of user terminals.

    摘要翻译： 多输入多输出（MIMO）通信系统和方法。 MIMO通信系统包括：天线号码确定单元，用于基于传输信号的功率确定多个发射天线中的有效天线的数量，其中有源天线的数量至少为1，并且所述至少一个有源天线发射 传输信号; 以及波束发生器，用于通过使用其中从多个用户终端中的每一个反馈信道信息的信道信息来生成与有效天线数量相对应的发送信号。

    MULTIPLE-INPUT MULTIPLE-OUTPUT COMMUNICATION METHOD AND MULTIPLE-INPUT MULTIPLE-OUTPUT COMMUNICATION SYSTEM OF ENABLING THE METHOD
    2.
    发明申请
    MULTIPLE-INPUT MULTIPLE-OUTPUT COMMUNICATION METHOD AND MULTIPLE-INPUT MULTIPLE-OUTPUT COMMUNICATION SYSTEM OF ENABLING THE METHOD 有权
    多输入多输出通信方法和多输入多输出通信系统

    公开(公告)号：US20080292012A1

    公开(公告)日：2008-11-27

    申请号：US12107265

    申请日：2008-04-22

    申请人： Jun Mo KIM ,  Chang Soon Park ,  Ki-Hong Park ,  Young-Chai Ko ,  Jung Hoon Suh ,  Sung Jin Kim

    发明人： Jun Mo KIM ,  Chang Soon Park ,  Ki-Hong Park ,  Young-Chai Ko ,  Jung Hoon Suh ,  Sung Jin Kim

    IPC分类号： H04L27/28 ,  H04M1/00

    CPC分类号： H04B7/0691 ,  H04B7/0452

    摘要： A Multiple-Input Multiple-Output (MIMO) communication system and method. The MIMO communication system includes: an antenna number determination unit to determine a number of active antennas among a plurality of transmitting antennas based on a power of a transmission signal wherein the number of active antennas is at least one and the at least one active antenna transmits the transmission signal; and a beam generator to generate the transmission signal corresponding to the number of active antennas by using channel information wherein the channel information is fed back from each of a plurality of user terminals.

    摘要翻译： 多输入多输出（MIMO）通信系统和方法。 MIMO通信系统包括：天线号码确定单元，用于基于传输信号的功率确定多个发射天线中的有效天线的数量，其中有源天线的数量至少为1，并且所述至少一个有源天线发射 传输信号; 以及波束发生器，用于通过使用其中从多个用户终端中的每一个反馈信道信息的信道信息来生成与有效天线数量相对应的发送信号。

    METHOD AND APPRATUS FOR CONTROLLING SIGNAL TRANSMISSION
    3.
    发明申请
    METHOD AND APPRATUS FOR CONTROLLING SIGNAL TRANSMISSION 有权
    控制信号传输的方法和装置

    公开(公告)号：US20100081424A1

    公开(公告)日：2010-04-01

    申请号：US12417675

    申请日：2009-04-03

    申请人： Jung Hoon SUH ,  Ki-Hong Park ,  Young-Chai Ko ,  Jin Hee Lee

    发明人： Jung Hoon SUH ,  Ki-Hong Park ,  Young-Chai Ko ,  Jin Hee Lee

    IPC分类号： H04W4/00 ,  H04B15/00

    CPC分类号： H04W92/10 ,  H04B7/022

    摘要： A method and apparatus for controlling signal transmission is provided. The method includes determining whether a signal to noise ratio (SNR) between a first base station and a signal receiving node is less than a threshold, and controlling the first base station and a second base station to cooperatively transmit a signal to the signal receiving node in response to the SNR being less than the threshold. Further, the second base station is located in an adjacent cell to a cell containing the first base station.

    摘要翻译： 提供了一种用于控制信号传输的方法和装置。 该方法包括确定第一基站和信号接收节点之间的信噪比（SNR）是否小于阈值，并且控制第一基站和第二基站以协调地将信号发送到信号接收节点 响应SNR小于阈值。 此外，第二基站位于与包含第一基站的小区相邻的小区中。

    Method and appratus for controlling signal transmission
    4.
    发明授权
    Method and appratus for controlling signal transmission 有权
    控制信号传输的方法和应用

    公开(公告)号：US08897765B2

    公开(公告)日：2014-11-25

    申请号：US12417675

    申请日：2009-04-03

    申请人： Jung Hoon Suh ,  Ki-Hong Park ,  Young-Chai Ko ,  Jin Hee Lee

    发明人： Jung Hoon Suh ,  Ki-Hong Park ,  Young-Chai Ko ,  Jin Hee Lee

    IPC分类号： H04W4/00 ,  H04W92/10 ,  H04B7/02

    CPC分类号： H04W92/10 ,  H04B7/022

    摘要： A method and apparatus for controlling signal transmission is provided. The method includes determining whether a signal to noise ratio (SNR) between a first base station and a signal receiving node is less than a threshold, and controlling the first base station and a second base station to cooperatively transmit a signal to the signal receiving node in response to the SNR being less than the threshold. Further, the second base station is located in an adjacent cell to a cell containing the first base station.

    摘要翻译： 提供了一种用于控制信号传输的方法和装置。 该方法包括确定第一基站和信号接收节点之间的信噪比（SNR）是否小于阈值，并且控制第一基站和第二基站以协调地将信号发送到信号接收节点 响应SNR小于阈值。 此外，第二基站位于与包含第一基站的小区相邻的小区中。

    Data transmission system for forwarding data using a plurality of antennas
    5.
    发明授权
    Data transmission system for forwarding data using a plurality of antennas 有权
    用于使用多个天线转发数据的数据传输系统

    公开(公告)号：US08374542B2

    公开(公告)日：2013-02-12

    申请号：US13556895

    申请日：2012-07-24

    申请人： Jun Il Choi ,  Chang Soon Park ,  Ki-Hong Park ,  Young-Chai Ko ,  Jin Hee Lee

    发明人： Jun Il Choi ,  Chang Soon Park ,  Ki-Hong Park ,  Young-Chai Ko ,  Jin Hee Lee

    IPC分类号： H04B3/36

    CPC分类号： H04B7/2606 ,  H04B7/15507

    摘要： A data transmission system transmitting data using a relay is provided. The relay selects a transmission terminal from a plurality of terminals connected to a base station. During a first time slot, the base station transmits base station data to the relay and the transmission terminal transmits terminal data to the relay. The relay transmits the terminal data to the base station and transmits the base station data to the transmission terminal during a second time slot.

    摘要翻译： 提供了使用继电器发送数据的数据传输系统。 继电器从连接到基站的多个终端中选择发送终端。 在第一时隙期间，基站向中继发送基站数据，并且发送终端向终端发送终端数据。 中继站将终端数据发送到基站，并且在第二时隙期间将基站数据发送到传输终端。

    Data transmission system for forwarding data using a plurality of antennas
    6.
    发明授权
    Data transmission system for forwarding data using a plurality of antennas 有权
    用于使用多个天线转发数据的数据传输系统

    公开(公告)号：US08254830B2

    公开(公告)日：2012-08-28

    申请号：US12466060

    申请日：2009-05-14

    申请人： Jun Il Choi ,  Chang Soon Park ,  Ki-Hong Park ,  Young-Chai Ko ,  Jin Hee Lee

    发明人： Jun Il Choi ,  Chang Soon Park ,  Ki-Hong Park ,  Young-Chai Ko ,  Jin Hee Lee

    IPC分类号： H04B3/36

    CPC分类号： H04B7/2606 ,  H04B7/15507

    摘要： A data transmission system transmitting data using a relay is provided. The relay selects a transmission terminal from a plurality of terminals connected to a base station. During a first time slot, the base station transmits base station data to the relay and the transmission terminal transmits terminal data to the relay. The relay transmits the terminal data to the base station and transmits the base station data to the transmission terminal during a second time slot.

    摘要翻译： 提供了使用继电器发送数据的数据传输系统。 继电器从连接到基站的多个终端中选择发送终端。 在第一时隙期间，基站向中继发送基站数据，并且发送终端向终端发送终端数据。 中继站将终端数据发送到基站，并且在第二时隙期间将基站数据发送到传输终端。

    DATA TRANSMISSION SYSTEM FOR FORWARDING DATA USING A PLURALITY OF ANTENNAS
    7.
    发明申请
    DATA TRANSMISSION SYSTEM FOR FORWARDING DATA USING A PLURALITY OF ANTENNAS 有权
    使用大量天线转发数据的数据传输系统

    公开(公告)号：US20100112937A1

    公开(公告)日：2010-05-06

    申请号：US12466060

    申请日：2009-05-14

    申请人： Jun Il Choi ,  Chang Soon Park ,  Ki-Hong Park ,  Young-Chai Ko ,  Jin Hee Lee

    发明人： Jun Il Choi ,  Chang Soon Park ,  Ki-Hong Park ,  Young-Chai Ko ,  Jin Hee Lee

    IPC分类号： H04B17/02

    CPC分类号： H04B7/2606 ,  H04B7/15507

    摘要： A data transmission system transmitting data using a relay is provided. The relay selects a transmission terminal from a plurality of terminals connected to a base station. During a first time slot, the base station transmits base station data to the relay and the transmission terminal transmits terminal data to the relay. The relay transmits the terminal data to the base station and transmits the base station data to the transmission terminal during a second time slot.

    摘要翻译： 提供了使用继电器发送数据的数据传输系统。 继电器从连接到基站的多个终端中选择发送终端。 在第一时隙期间，基站向中继发送基站数据，并且发送终端向终端发送终端数据。 中继站将终端数据发送到基站，并且在第二时隙期间将基站数据发送到传输终端。

    Symbol detecting with large frequency error
    8.
    发明授权
    Symbol detecting with large frequency error 有权
    具有大频率误差的符号检测

    公开(公告)号：US07292652B2

    公开(公告)日：2007-11-06

    申请号：US10690032

    申请日：2003-10-21

    申请人： Tao Luo ,  Young-Chai Ko ,  Gibong Jeong

    发明人： Tao Luo ,  Young-Chai Ko ,  Gibong Jeong

    IPC分类号： H03K9/00

    CPC分类号： H04L27/0014 ,  H04B1/70756 ,  H04L2027/003 ,  H04L2027/0065 ,  H04W28/14

    摘要： System and method for detecting symbols wherein there may be a large frequency error. A preferred embodiment includes receiving an estimated frequency error, calculating a vector based on the estimated frequency error, buffering symbols from two symbol streams, rotating the symbols from the two symbol streams using the vector, estimating a channel gain for the symbols in the second symbol stream, and applying the channel gain to the rotated symbols from the second symbol stream.

    摘要翻译： 用于检测符号的系统和方法，其中可能存在较大的频率误差。 优选实施例包括接收估计的频率误差，基于所估计的频率误差来计算矢量，从两个符号流缓冲符号，使用向量从两个符号流旋转符号，估计第二符号中的符号的信道增益 流，并且将信道增益应用于来自第二符号流的旋转符号。

    MULTIPLE-INPUT MULTIPLE-OUTPUT RELAY SYSTEM AND METHOD
    9.
    发明申请
    MULTIPLE-INPUT MULTIPLE-OUTPUT RELAY SYSTEM AND METHOD 审中-公开
    多输入多输出继电器系统及方法

    公开(公告)号：US20100105316A1

    公开(公告)日：2010-04-29

    申请号：US12257150

    申请日：2008-10-23

    申请人： DoHoon KIM ,  Young-Chai Ko ,  Byung Gueon Min

    发明人： DoHoon KIM ,  Young-Chai Ko ,  Byung Gueon Min

    IPC分类号： H04B7/14

    CPC分类号： H04W16/06 ,  H04B7/15578 ,  H04W28/08 ,  H04W28/16 ,  H04W84/047 ,  H04W88/04

    摘要： A Multiple-Input Multiple-Output (MIMO) relay system is provided. The MIMO relay system performs signal processing to provide requested real data to at least one selected user mobile station sequentially connected to a first relay station located in a first cell and a second relay station located in a second cell using spare frequency capacity allocated to a first base station of the first cell instead of a second base station of the second cell that drops the requested real data due to its frequency capacity being exceeded, thereby improving reliability of seamless real data input/output in relay communication, reducing call drop probability, and raising availability of frequency capacity by automatically adjusting frequency capacity allocated between cells.

    摘要翻译： 提供了多输入多输出（MIMO）中继系统。 MIMO中继系统执行信号处理，以向至少一个所选择的用户移动台提供所请求的实际数据，所述至少一个选定的用户移动站顺序地连接到位于第一小区中的第一中继站，以及位于第二小区中的第二中继站， 第一小区的基站而不是由于其频率容量被超过而丢弃所请求的实际数据的第二小区的第二基站，从而提高中继通信中无缝实际数据输入/输出的可靠性，减少呼叫丢弃概率，以及 通过自动调整小区间分配的频率容量，提高频率容量的可用性。

    Group decision rule in code tracking using a delay lock loop (DLL)
    10.
    发明授权
    Group decision rule in code tracking using a delay lock loop (DLL) 有权
    使用延迟锁定循环（DLL）的代码跟踪中的组决策规则

    公开(公告)号：US07310365B2

    公开(公告)日：2007-12-18

    申请号：US10699219

    申请日：2003-10-31

    申请人： Young-Chai Ko ,  Gibong Jeong ,  Yuan Kang Lee

    发明人： Young-Chai Ko ,  Gibong Jeong ,  Yuan Kang Lee

    IPC分类号： H04B1/707

    CPC分类号： H04B1/7085 ,  H04B1/7117

    摘要： System and method for code acquisition in a wireless communications system with a delay lock loop. A preferred embodiment comprises assigning a delay lock loop (DLL) to each path in a received signal with multipath, adjusting each DLL to maximize sample strength, grouping samples that are less than a first threshold apart into groups, adjusting DLL timing of samples in groups, regrouping groups that are less than a second threshold apart, applying a group decision to regrouped groups, and repeating the regrouping and applying until all groups are greater than the second threshold apart.

    摘要翻译： 具有延迟锁定环路的无线通信系统中的代码采集系统和方法。 优选实施例包括向接收到的具有多路径的信号中的每个路径分配延迟锁定环（DLL），调整每个DLL以使样本强度最大化，将小于第一阈值的样本分组成组，将组中的样本的DLL定时调整 ，重新组合小于第二阈值的组，将组决策应用于重新组合的组，并重复重组和应用，直到所有组大于第二阈值。