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Exact Outage Probability of Relay Selection in Decode-and-Forward Based Cooperative Multicast Systems

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3 Author(s)
In-Ho Lee ; Department of Electrical, Electronic and Control Engineering, and IITC, Hankyong National University, Anseong, 456-749 Korea. The corresponding author is H. H. Choi ; Howon Lee ; Hyun-Ho Choi

In this letter, we present the outage performance of decode-and-forward based cooperative multicast systems with the best relay selection (CM-RS) over Rayleigh fading channels. Especially, we provide an exact and closed-form expression for the outage probability of CM-RS and its diversity order. Through numerical results, the analysis is verified, and the outage performance of CM-RS is compared with that of a single-hop multicast system.

Published in:

IEEE Communications Letters  (Volume:17 ,  Issue: 3 )