NDLI: HSSEC strategy for decode-and-forward-relaying systems over Nakagami-m fading channels

Content Provider	IET Digital Library
Author	R., Swaminathan Roy, Rajarshi
Abstract	Distributed switched diversity combining has drawn significant attention in the recent past due to its low-complexity nature in terms of channel state information requirement at the receiving end to achieve full diversity order. In this study, the authors propose a hybrid selection and switch-and-examine combining (HSSEC) scheme, which is a combination of selection combining and SEC schemes, for a multi-relay decode-and-forward system to improve the performance of distributed switched diversity combining schemes proposed in the literature. Furthermore, the performance of HSSEC scheme is investigated over non-identical Nakagami-m fading channels. Average end-to-end symbol error probability (SEP) expression is derived for M-ary phase-shift keying signalling, and in addition asymptotic SEP expression is also derived to analyse diversity order. From the derived asymptotic expression, it is inferred that the HSSEC scheme attains full diversity order over Nakagami-m fading channels, except for the case when threshold signal-to-noise ratio (SNR) is very much lesser than the average SNR. Furthermore, exact outage probability expression is derived for the HSSEC scheme. Finally, in the numerical results, the outage and SEP performances are compared with other schemes proposed in the literature.
Starting Page	2621
Ending Page	2635
Page Count	15
ISSN	17518628
Volume Number	10
e-ISSN	17518636
Issue Number	Issue 18, Dec (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/10/18
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2016.0305
Journal	IET Communications
Publisher Date	2016-12-15
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Average End-to-end Symbol Error Probability Expression Channel State Information Requirement Decode And Forward Communication Decode-and-forward-relaying System Distributed Switched Diversity Combining Diversity Reception Error Statistics HSSEC Strategy Hybrid Selection And Switch-and-examine Combining M-ary Phase-shift Keying Signalling Modulation And Coding Method Nakagami Channel Nakagami-m Fading Channel Phase Shift Keying Radio Link And Equipment Relay Network Statistics Telecommunication
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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