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Buffer-Aided Max-Link Relay Selection in Amplify-and-Forward Cooperative Networks

Lookup NU author(s): Professor Jonathon Chambers

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Abstract

This paper investigates the outage performance of an amplify-and-forward (AF) relay system that exploits buffer-aided max-link relay selection. Both asymmetric and symmetric source-to-relay and relay-to-destination channel configurations are considered. We derive the closed-form expressions for the outage probability and analyze the average packet delays. We prove that the diversity order is between N and 2N (where N is the relay number), corresponding to a relay buffer size between 1 and ∞, respectively. We also analytically show the coding gain. Numerical results are given to verify the theoretical analyses.

Publication metadata

Author(s): Tian Z, Chen Z, Gong Y, Chambers JA

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Vehicular Technology

Year: 2015

Volume: 64

Issue: 2

Pages: 553-565

Print publication date: 09/02/2015

Online publication date: 16/05/2014

Acceptance date: 08/05/2014

Date deposited: 08/02/2017

ISSN (print): 0018-9545

ISSN (electronic): 1939-9359

Publisher: Institute of Electrical and Electronics Engineers

URL: http://dx.doi.org/10.1109/TVT.2014.2324761

DOI: 10.1109/TVT.2014.2324761

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