NDLI: Copula based performance analysis for one-hoping relay channel in wireless ad hoc network with correlated fading channels

Content Provider	IET Digital Library
Author	Ghadi, Farshad Rostami Hodtani, Ghosheh Abed
Abstract	A wireless ad hoc network consisting of one-hoping relay channel and some interfering nodes with possible arbitrary correlation between wireless channels coefficients is studied. By exploiting a novel approach called Copula theory, enabling us to describe joint probability distribution function for arbitrarily correlated random variables, the authors derive a closed-form expression for success probability in different dependence structures of channels. Specifically, by applying the Farlie–Gumbel–Morgenstern (FGM) Copula and the popular Archimedean (Clayton, Gumbel, and Frank) Copulas, they analyse the network performance in terms of success probability, and show that the channels correlation improves the performance of success probability so that whenever the dependence structure tends to higher values, the performance improvement is increased. Besides, it is found that the investigation of channel correlation effects by FGM Copula is more tangible compared to Archimedean Copulas. Finally, the efficiency of the analytical results is illustrated numerically.
Starting Page	551
Ending Page	559
Page Count	9
ISSN	17519675
Volume Number	14
e-ISSN	17519683
Issue Number	Issue 8, Oct (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-spr/14/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-spr.2020.0186
Journal	IET Signal Processing
Publisher Date	2020-08-07
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Ad Hoc Network Arbitrarily Correlated Random Variables Arbitrary Correlation Archimedean Copulas Channel Correlation Channel Correlation Effects Closed-form Expression Copula Based Performance Analysis Copula Theory Correlated Fading Channel Dependence Structure Fading Channel Farlie–Gumbel–Morgenstern Copula FGM Copula Interfering Node Joint Probability Distribution Function Network Performance One-hoping Relay Channel Performance Improvement Probability Radio Link And Equipment Relay Network Statistics Telecommunication Wireless Ad Hoc Network Wireless Channel Coefficient
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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