Journal
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS
Volume 7, Issue 12, Pages 5100-5107Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/T-WC.2008.071216
Keywords
Outage probability; cooperative diversity; decode-and-forward; and opportunistic relaying
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Opportunistic relaying with cooperative diversity has been introduced in [1] 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 the upper and lower bounds for the cumulative distribution function of the signal-to-noise ratio per hop, and then provide their 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, identically distributed Rayleigh fading channels.
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