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Exact Outage Probability of Cognitive Underlay DF Relay Networks with Best Relay Selection
Vo Nguyen Quoc BAO Trung Quang DUONG
IEICE TRANSACTIONS on Communications
Publication Date: 2012/06/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
decode-and-forward, relay networks, underlay approach, interference constraints, outage probability, cognitive radio,
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In this letter, we address the performance analysis of underlay selective decode-and-forward (DF) relay networks in Rayleigh fading channels with non-necessarily identical fading parameters. In particular, a novel result on the outage probability of the considered system is presented. Monte Carlo simulations are performed to verify the correctness of our exact closed-form expression. Our proposed analysis can be adopted for various underlay spectrum sharing applications of cognitive DF relay networks.