Opportunistic relaying in multipath and slow fading channel: Relay selection and optimal relay selection period

Sungjoon Park, Wayne E. Stark

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

Abstract

In this paper we present opportunistic relay communication strategies of decode and forward relaying. The channel that we are considering includes pathloss, shadowing, and fast fading effects. We find a simple outage probability formula for opportunistic relaying in the channel, and validate the results by comparing it with the exact outage probability. Also, we suggest a new relay selection algorithm that incorporates shadowing. We consider a protocol of broadcasting the channel gain of the previously selected relay. This saves resources in slow fading channel by reducing collisions in relay selection. We further investigate the optimal relay selection period to maximize the throughput while avoiding selection overhead. © 2011 IEEE.
Original languageEnglish (US)
Title of host publication2011 - MILCOM 2011 Military Communications Conference
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages661-666
Number of pages6
ISBN (Print)9781467300810
DOIs
StatePublished - Nov 2011
Externally publishedYes

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