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    • 33. 发明授权
    • Apparatus and method for transmitting/receiving data in a multi-antenna system, and system using the same
    • 用于在多天线系统中发送/接收数据的装置和方法,以及使用该天线系统的系统
    • US08111782B2
    • 2012-02-07
    • US11896479
    • 2007-08-31
    • Sung-Jin KimJune MoonYongxing ZhouJae-Hee ChoKeun-Chul Hwang
    • Sung-Jin KimJune MoonYongxing ZhouJae-Hee ChoKeun-Chul Hwang
    • H04L27/00
    • H04B7/0632H04B7/0452H04B7/063H04B7/0689H04B7/0691
    • A data reception apparatus and method for generating and transmitting feedback information in a multi-antenna system using grouped antennas, and a data transmission apparatus and method for transmitting a data stream of a user according to a transmission mode selected depending on the feedback information is disclosed. The reception apparatus generates feedback information depending on maximum channel quality information, an antenna group index associated with the maximum channel quality information, rank information, and remaining channel quality information associated with the rank information, and transmits the feedback information to the transmission apparatus. The transmission apparatus selects one of a multi-user mode and a single-user mode as a transmission mode depending on the feedback information and transmits a data stream of a user via multiple antenna groups or one antenna group, according to the selected transmission mode.
    • 公开了一种使用分组天线在多天线系统中产生和发送反馈信息的数据接收装置和方法,以及用于根据反馈信息选择的传输模式发送用户的数据流的数据传输装置和方法 。 接收装置根据最大信道质量信息,与最大信道质量信息相关联的天线组索引,秩信息和与等级信息相关联的剩余信道质量信息来生成反馈信息,并将该反馈信息发送到发送装置。 发送装置根据反馈信息选择多用户模式和单用户模式之一作为发送模式,并且根据所选择的发送模式,经由多个天线组或一个天线组来发送用户的数据流。