Differential en/decoding using APSK signals for distributed MIMO

Defu Sun, Youxi Tang, S. Shao, Shaoqian Li
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Abstract

This paper proposes a differential modulation scheme using amplitude-phase shift keying (APSK) signals for distributed MIMO systems where neither the transmitter nor the receiver knows channel knowledge. The bandwidth efficiency of the proposed scheme is the same as V-BLAST scheme, and it can be applied to the systems with any number of transmit and receive antennas. Simulation results show that the bit error rate (BER) performance is not same in different channel propagation delay cases, and the optimum delay time for two transmit antenna system is about 0.6 Ts (where Ts is symbol period).
差分编码/解码使用APSK信号的分布式MIMO
本文提出了一种基于幅相移键控(APSK)信号的分布式MIMO系统差分调制方案,该系统的发送方和接收方都不知道信道信息。该方案的带宽效率与V-BLAST方案相同,可适用于具有任意数量发射天线和接收天线的系统。仿真结果表明,在不同的信道传播延迟情况下,误码率(BER)性能并不相同,两种发射天线系统的最佳延迟时间约为0.6 Ts(其中Ts为符号周期)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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