Opportunistic relaying in multipath and slow fading channel: Relay selection and optimal relay selection period
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AbstractIn 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.
CitationSungjoon Park, Stark WE (2011) Opportunistic relaying in multipath and slow fading channel: Relay selection and optimal relay selection period. 2011 - MILCOM 2011 Military Communications Conference. Available: http://dx.doi.org/10.1109/MILCOM.2011.6127750.
SponsorsThis research was supported in part by the KAUST GlobalCollaborative Research Academic Excellence Alliance andAcademic Partnership Programs.