全双工中继的联合中继收发天线选择和机会源选择策略

Rongsheng Li, Hui Gao, Wei Long, Tiejun Lv
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引用次数: 2

摘要

在本文中,我们研究了一个合作中继网络,其中两个用户通过全双工中继交换消息。针对全双工中继网络中天线的作用不确定的情况,提出了一种联合中继收发天线选择和机会源选择(RAS-OSS)策略。在中继中考虑了放大和转发(AF)和解码和转发(DF)协议。推导了平均传输速率和中断概率的渐近逼近,以评估采用RAS-OSS策略时的网络性能。分析和数值结果表明,在高信噪比条件下,RAS-OSS策略是严密的,并且在AF和DF协议下,RAS-OSS策略都提高了网络的性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Joint relay transmit-receive antenna selection and opportunistic source selection strategy for full-duplex relaying
In this paper, we investigate a cooperative relay network where two users exchange messages through a full-duplex relay. A joint relay transmit-receive antenna selection and opportunistic source selection (RAS-OSS) strategy is proposed to improve the performance of the full-duplex relay network, when the roles of the antennas at the full-duplex relay are not predefined. Both of the amplify-and-forward (AF) and decode-and-forward (DF) protocols are considered at the relay. Asymptotic approximations of average transmission rate and outage probability are derived to evaluate the performance of the network when the RAS-OSS strategy is adopted. Both analytical and numerical results reveal that the asymptotic approximations are tight in high signal-to-noise ratio regime and the RAS-OSS strategy improves the performance of the network under both AF and DF protocols.
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