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    • 95. 发明申请
    • METHOD FOR TRANSMITTING DEDICATED REFERENCE SIGNAL, AND METHOD FOR RECEIVING DEDICATED REFERENCE SIGNAL
    • 用于发送专用参考信号的方法,以及用于接收专用参考信号的方法
    • US20100285810A1
    • 2010-11-11
    • US12769215
    • 2010-04-28
    • Young-Jo KOJae Young AHNBangwon SEO
    • Young-Jo KOJae Young AHNBangwon SEO
    • H04W72/12
    • H04B7/0452H04B7/022H04B7/024H04B7/0639H04L5/0023H04L5/0051H04W72/1231
    • Provided are a method of transmitting a dedicated reference signal (DRS), a method of receiving a DRS, and a feedback method of a terminal. The method of transmitting a DRS includes determining a DRS transmitting resource for at least one terminal which is a target of transmission, and transmitting the DRS using the determined transmission resource and notifying the terminal of information about layer used by the terminal. The method of receiving a DRS includes determining a DRS receiving resource, receiving information about layer used by a terminal from a serving cell base station, and receiving the DRS for the terminal using the determined reception resource and the information about layer. Accordingly, a terminal can find the position and sequence of its DRS. In particular, in the case of multi-user multiple input multiple output (MU-MIMO) or joint scheduling, it is possible to prevent or remove signal interference using the DRS of another terminal.
    • 提供了发送专用参考信号(DRS),接收DRS的方法和终端的反馈方法的方法。 发送DRS的方法包括确定作为传输对象的至少一个终端的DRS发送资源,以及使用所确定的传输资源发送DRS,并向终端通知关于终端使用的层的信息。 接收DRS的方法包括确定DRS接收资源,从服务小区基站接收终端使用的层的信息,以及使用所确定的接收资源和关于层的信息来接收终端的DRS。 因此,终端可以找到其DRS的位置和顺序。 特别地,在多用户多输入多输出(MU-MIMO)或联合调度的情况下,可以使用另一终端的DRS来防止或消除信号干扰。