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    • 91. 发明申请
    • COORDINATED COMMUNICATION METHOD USING MULTIPLE TERMINALS
    • 使用多个终端的协调通信方法
    • WO2011096764A3
    • 2012-01-05
    • PCT/KR2011000779
    • 2011-02-07
    • LG ELECTRONICS INCJANG JI WOONGYUK YOUNG SOOCHO HAN GYU
    • JANG JI WOONGYUK YOUNG SOOCHO HAN GYU
    • H04B7/14H04B7/02
    • H04B7/026Y02D70/00Y02D70/1262Y02D70/1264Y02D70/442
    • Provided is a method for performing coordinated communications by a relay station. The method comprises the following steps: receiving a signal from a terminal; measuring channel state information which indicates the state of the channel that receives the signal; comparing the channel state information and a preset threshold value to determine whether to decode the received signal; and, if the received signal is determined to be decoded, decoding the received signal to remove noise, encoding and forwarding the encoded signal to a base station (decode and forward: DAF), and, if the received signal is not determined to be decoded, amplifying the received signal, and forwarding the amplified signal to the base station (amplify and forward: AAF). The channel state information is at least one of frame error rate (FER), bit error rate (BER), signal to noise ratio (SNR) and signal to interference plus noise ratio (SINR). According to the present invention, time delay required for channel decoding can be reduced in hybrid DAF coordinated communications, data transmission and resource usage can be performed in a more efficient manner in coordinated communications using multiple terminals, and unnecessary consumption of power can be reduced.
    • 提供一种用于执行中继站的协调通信的方法。 该方法包括以下步骤:从终端接收信号; 测量指示接收信号的信道的状态的信道状态信息; 比较信道状态信息和预设阈值以确定是否对接收到的信号进行解码; 并且如果确定接收到的信号被解码,则对接收到的信号进行解码以去除噪声,编码并将编码信号转发到基站(解码和转发:DAF),并且如果接收信号未被确定为被解码 放大接收到的信号,并将放大的信号转发到基站(放大和转发:AAF)。 信道状态信息是帧错误率(FER),误码率(BER),信噪比(SNR)和信噪比加噪声比(SINR)中的至少一个。 根据本发明,可以在混合DAF协调通信中减少信道解码所需的时间延迟,可以以更有效的方式在使用多个终端的协调通信中执行数据传输和资源使用,并且可以减少不必要的功率消耗。