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    • 25. 发明授权
    • Multi-cell based method for applying multi-cell MIMO
    • 用于应用多小区MIMO的基于多小区的方法
    • US08743986B2
    • 2014-06-03
    • US13003728
    • 2009-06-18
    • Su Nam KimJae Wan KimDong Guk LimBin Chul IhmJa Ho Koo
    • Su Nam KimJae Wan KimDong Guk LimBin Chul IhmJa Ho Koo
    • H04B7/02
    • H04B7/0413H04B7/024
    • The present invention relates a method for transmitting and receiving data in a mobile communication system. More specifically, the invention relates to a method through which a terminal in a cell boundary receives data in a mobile communication system that supports MIMO (Multi Input Multi Output). The method comprises: a step for receiving a first data stream transmitted through multiple transmission antennas from a serving base station, a step for pre-coding a second data stream to make the time delay of the second data stream be different from that of the first data stream and receiving the second data stream from a collaborating base station, and a step for restoring the data based on the first and second data streams.
    • 本发明涉及一种在移动通信系统中发送和接收数据的方法。 更具体地,本发明涉及一种小区边界中的终端在支持MIMO(多输入多输出)的移动通信系统中接收数据的方法。 该方法包括:从服务基站接收通过多个发送天线发送的第一数据流的步骤,用于对第二数据流进行预编码以使第二数据流的时间延迟与第一数据流的时间延迟不同的步骤 数据流和从协作基站接收第二数据流,以及用于基于第一和第二数据流恢复数据的步骤。
    • 29. 发明授权
    • Method of transmitting feedback information for performing collaborative MIMO
    • 发送用于执行协作MIMO的反馈信息的方法
    • US08457008B2
    • 2013-06-04
    • US12739351
    • 2008-12-28
    • Dong Guk LimSu Nam KimBin Chul IhmJae Wan Kim
    • Dong Guk LimSu Nam KimBin Chul IhmJae Wan Kim
    • G01R31/08
    • H04B7/024H04B7/0417H04B7/0621H04B7/0626H04B7/063H04B7/0632H04B7/0639
    • A method of transmitting information necessary for performing collaborative multi input multi output (MIMO) operation between a mobile station and a base station in order to improve reception performance of the mobile station in a multi-cell environment is provided. The mobile station may receive a feedback channel for the collaborative MIMO which is allocated by a serving base station and transmit a collaborative MIMO indicator including information indicating that the collaborative MIMO is started to the serving base station. In addition, the mobile station may transmit the feedback information of each of the serving base station and a collaborative base station to the serving base station through the feedback channel, and the serving base station may transmit the feedback information to the collaborative base station via a backbone network. The mobile station may receive the collaborative MIMO supported by the serving base station and the collaborative base station.
    • 提供了一种在移动台和基站之间传送执行协同多输入多输出(MIMO)操作所必需的信息以提高移动台在多小区环境中的接收性能的方法。 移动台可以接收由服务基站分配的协作MIMO的反馈信道,并发送包括表示协作MIMO开始的服务基站的信息的协作MIMO指示符。 此外,移动台可以通过反馈信道将服务基站和协作基站中的每一个的反馈信息发送到服务基站,并且服务基站可以经由以下操作将反馈信息发送到协作基站 骨干网。 移动台可以接收由服务基站和协作基站支持的协作MIMO。