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    • 5. 发明专利
    • Radio communication system, radio terminal and radio communication method
    • 无线电通信系统,无线电终端和无线电通信方法
    • JP2010278672A
    • 2010-12-09
    • JP2009128164
    • 2009-05-27
    • Kyocera Corp京セラ株式会社
    • YAMAZAKI TOMOHARU
    • H04W16/28H04B7/04H04J99/00H04W24/10
    • H04B7/0417H04B7/024H04B7/028H04B7/0634H04B7/0658H04W28/06
    • PROBLEM TO BE SOLVED: To provide a radio communication system for reducing overheads accompanying feedback while making inter-base-station cooperative MIMO (Multi-Input Multi-Output) communication function normally.
      SOLUTION: The radio communication system 1 includes: the radio terminal UE; a radio base station BS1 for transmitting radio signals RS1 to the radio terminal UE corresponding to the feedback from the radio terminal UE; and a radio base station BS2 for transmitting radio signals RS2 to the radio terminal UE by the same frequency and same time as the radio signals RS1. When one transmission antenna is used for the transmission of the radio signals RS1 in the radio base station BS1, the radio terminal UE eliminates the feedback to the radio base station BS1.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种无线电通信系统,用于在使基站间协作MIMO(多输入多输出)通信功能正常进行的同时减少伴随反馈的开销。 解决方案:无线通信系统1包括:无线终端UE; 无线基站BS1,用于向与无线终端UE的反馈对应的无线终端UE发送无线信号RS1; 以及与无线信号RS1相同频率和相同时间向无线终端UE发送无线信号RS2的无线基站BS2。 当在无线基站BS1中使用一个发送天线发送无线信号RS1时,无线终端UE消除对无线基站BS1的反馈。 版权所有(C)2011,JPO&INPIT