一个源和一个偶然的附近中继的合作协议

M. Katz, S. Shamai
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引用次数: 1

摘要

我们考虑一个无线网络,其中源与远程目的地通信,并且中继终端偶尔在源不知情的情况下出现在源附近。提出了基于解码转发(DF)和量化转发(QF)的合作协议,它们在中继存在时提高单用户性能,而在中继不存在时不降低单用户性能。对于DF,研究了源端和中继端传输之间的最优相关性;对于QF,提出了在中继端不知道目的地信道状态的情况下合并部分侧信息的方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Cooperative Protocols for a Source and an Occasional Nearby Relay
We consider a wireless network where a source is communicating with a remote destination, and where a relay terminal is occasionally present in the source's vicinity without the source's knowledge. Cooperative protocols based on decode-and-forward (DF) and quantize-and-forward (QF) are proposed which improve upon single-user performance when the relay is present, and do not degrade single-user performance in the relay's absence. For DF, optimal correlation between the source's and relay's transmissions is investigated, and for QF, a scheme is suggested for incorporating partial side information without the relay terminal knowing the destination's channel state.
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