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Outage Probability of Cooperative Diversity Systems with Opportunistic Relaying Based on Decode-and-Forward Transmission

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3 Author(s)
Kyu-Sung Hwang ; Sch. of Electr. Eng., Korea Univ., Seoul ; Young-chai Ko ; Alouini, M.-S.

Opportunistic relaying with cooperative diversity has been introduced in as a simple alternative protocol to the distributed space-time coded protocol while achieving the same diversity-multiplexing tradeoff performance as a point-to- point multiple-input multiple-output scheme. In this paper, we derive an upper and lower bound on the per hop output signal-to- noise ratio cumulative distribution function, probability density function and moment generating function. We also derive approximate but tight closed-form expressions for the lower and upper bounds of the outage probability of opportunistic relaying based on decode-and-forward transmission under the assumption of unbalanced/balanced hops and independent, identical distributed Rayleigh fading channels.

Published in:

Vehicular Technology Conference, 2008. VTC Spring 2008. IEEE

Date of Conference:

11-14 May 2008