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    • 8. 发明申请
    • BASE STATION APPARATUS, TERMINAL APPARATUS AND WIRELESS COMMUNICATION SYSTEM USING THEM
    • 基站设备,终端设备和无线通信系统
    • US20130121277A1
    • 2013-05-16
    • US13700756
    • 2011-05-27
    • Shimpei ToTakashi OnoderaKozue HirataHiroshi NakanoHiromichi TomebaMinoru Kubota
    • Shimpei ToTakashi OnoderaKozue HirataHiroshi NakanoHiromichi TomebaMinoru Kubota
    • H04B7/06
    • H04B7/0697H04B7/0617
    • When signals received by receiving antennas included in each terminal are subjected to MMSE combining, it is configured that each terminal is able to grasp position of desired signal in signal vector obtained after combining. A base station 100 receives by a receiving antenna 23 from the terminal apparatus channel state information between a transmitting antenna 16 and spatial multiplexing object antennas included in each terminal apparatus. A transmit weight calculation unit 19 calculates a transmit weight for performing spatial multiplexing transmission to the terminal apparatus based on the channel state information. Transmit weight multiplication unit s 12 and 18 multiplies an information signal addressed to each terminal apparatus to be performed spatial multiplexing by the transmit weight. A signal multiplexing unit 13 multiplexes the information signal multiplied by the transmit weight and an information to specify the information signal that needs to be demodulated by each terminal apparatus.
    • 当通过每个终端中包含的接收天线接收到的信号进行MMSE组合时,配置为每个终端能够在组合后获得的信号向量中掌握期望信号的位置。 基站100由发送天线16和各终端装置中包含的空间复用对象天线之间的终端装置信道状态信息由接收天线23接收。 发送权重计算单元19基于信道状态信息计算用于对终端装置执行空间复用传输的发送权重。 发送权重乘法单元12和18将寻址到每个终端设备的信息信号乘以发送权重进行空间复用。 信号复用单元13将乘以发送权重的信息信号和用于指定每个终端装置需要解调的信息信号的信息进行复用。