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Outage Analysis of Dual-Hop Relaying Communications with Co-channel Interference over Nakagami-m Fading Channels
Kostas PEPPAS Christos DATSIKAS
IEICE TRANSACTIONS on Communications
Publication Date: 2011/08/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
co-channel interference, dual-hop relaying, Nakagami-m fading, outage probability, power allocation,
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In this letter, a study on the end-to-end outage performance of dual-hop non-regenerative relaying in the presence of co-channel interference is presented. We assume that both the desired and the interfering signals are subjected to Nakagami-m fading. Exact analytical expressions, as well as tight lower bounds of the end-to-end outage probability, are derived. An asymptotic expression for the outage probability at high values of Signal-to-Interference Ratio is also presented. Furthermore, we also propose the optimal power allocation for high values of Signal-to-Interference Ratio. Extensive numerically evaluation and computer simulation results are presented to verify the validity and the accuracy of the proposed analysis.