Open AccessRelay selection of full‐duplex decode‐and‐forward relaying over Nakagami‐ m fading channels
Author(s) -
Wang Yurong,
Xu Youyun,
Li Ning,
Xie Wei,
Xu Kui,
Xia Xiaochen
Publication year - 2016
Publication title -
iet communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.355
H-Index - 62
eISSN - 1751-8636
pISSN - 1751-8628
DOI - 10.1049/iet-com.2015.0524
Subject(s) - nakagami distribution , relay , fading , computer science , selection (genetic algorithm) , interference (communication) , relay channel , computer network , topology (electrical circuits) , telecommunications , power (physics) , mathematics , decoding methods , channel (broadcasting) , physics , quantum mechanics , artificial intelligence , combinatorics
In this study, the authors consider the direct link aware relay selection schemes for full‐duplex relaying (FDR) protocol. Different from traditional scheme, the direct link between source and destination is exploited to improve the performance of considered schemes. By investigating the signal‐to‐interference‐plus‐noise ratios at the relay and the destination, the exact expressions of outage probabilities for FDR protocol with proposed relay selection schemes are derived in closed‐form over Nakagami‐ m fading channels. To get more insight about the effect of system parameters, they develop an asymptotic analysis on the outage performance. The authors’ results show that the achievable diversity of the schemes depends on the shape factors of fading channels and the power scaling scheme of the relays. Moreover, they show that the proposed relay selection schemes achieve better outage performance when compared with traditional schemes and are robust to the residual self‐interference caused by the full‐duplex operation.