发明名称 RETRANSMISSION METHOD AND APPARATUS AND COMMUNICATION SYSTEM
摘要 The present invention relates to the field of communications technologies, and discloses a retransmission method and apparatus, and a communication system. The method includes: after sending two channel-coded codewords in initial transmission, receiving a retransmission indication, where the retransmission indication includes an identifier of one channel-coded codeword to be retransmitted; according to a preset phase of each symbol, determining a precoding matrix of each symbol of the one channel-coded codeword to be retransmitted, where a phase relationship of each symbol is fixed; and after coding, by using the precoding matrix, each symbol of the one channel-coded codeword to be retransmitted, transmitting the coded symbol through an antenna. Through the present invention, a guarantee can be provided for retransmission success of a UE.
申请公布号 US2013021897(A1) 申请公布日期 2013.01.24
申请号 US201213630517 申请日期 2012.09.28
申请人 HUAWEI TECHNOLOGIES CO., LTD.;HUAWEI TECHNOLOGIES CO., LTD. 发明人 WU QIANG;LV YONGXIA;ZHOU YONGXING
分类号 H04L29/14 主分类号 H04L29/14
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