SECRECY ENHANCEMENT IN COOPERATIVE NETWORKS VIA RELAY SELECTION AND POWER ALLOCATION

ICTACT Journal on Communication Technology ( Volume: 11 , Issue: 4 )

Abstract

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A performance comparison of relay selection based on the path probability selection of Ant Colony Optimization algorithm (ACO), among dual-hop amplify-and-forward and decode-and-forward relay networks is formulated in this paper. An adaptive power allocation strategy based on Brent’s method has been proposed. The secrecy performance is evaluated in traditional, fading and path loss wireless models. Traditional best relay selection, exhaustive search optimization algorithm and equal power allocation strategy have been derived as schemes for comparison. The effect of number of relays on secrecy is also evaluated. Simulation results reveal the merits of the proposed relay selection and optimization schemes as compared to conventional schemes.

Authors

P M Shemi1, M A Ali2
MES College Marampally, India1, Government Engineering College, Thrissur, India2

Keywords

Brent’s Method, Optimal Power Allocation, Ant Colony Optimization, Secrecy Rate

Published By
ICTACT
Published In
ICTACT Journal on Communication Technology
( Volume: 11 , Issue: 4 )
Date of Publication
December 2020
Pages
2257-2262

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