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http://dx.doi.org/10.6109/jkiice.2013.17.8.1804

Outage Performance Analysis of Partial Relay Selection Based Opportunistic Cooperation in Decode-and-Forward Relaying Systems  

Lee, Sangjun (Department of Electrical, Electronic and Control Engineering, Hankyong National University)
Lee, In-Ho (Department of Electrical, Electronic and Control Engineering, Hankyong National University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.17, no.8, 2013 , pp. 1804-1810 More about this Journal
Abstract
In this paper, we study the opportunistic cooperation scheme that improves the outage performance through the efficient selection between a cooperative mode and a non-cooperative mode. Especially, in decode-and-forward relaying systems, we analyze the outage performance for the opportunistic cooperation using partial relay selection, where closed-form expressions of exact and asymptotic outage probabilities are derived assuming independent and identically distributed Rayleigh fading channels. In the numerical results, we verify the derived expressions, and investigate the outage performances for various target data rates and different numbers of relays. Also, we compare the outage performances of the conventional cooperation scheme and the opportunistic cooperation scheme.
Keywords
Opportunistic cooperation scheme; Decode-and-forward relaying system; Partial relay selection; Rayleigh fading channel; Outage probability;
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