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Regenerative Cooperative Diversity Networks with Co-Channel Interference: Performance Analysis and Optimal Energy Allocation

Lookup NU author(s): Dr Salama Ikki


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A study of the effects of co-channel interference on a multirelay system with decode-and-forward (DF) protocol is presented. Orthogonal relaying is considered, and all relays that correctly decode the message in the broadcasting phase participate in the adaptive relaying phase. First, the effective signal-to-interference-plus-noise ratio (SINR) at the receiver is derived. Then, considering outage as the performance metric, we obtain exact closed-form expression for the outage probability. Simple and general asymptotic expressions for the outage probability, which explicitly show the coding and the diversity gains, are also derived and discussed. Furthermore, we present optimal energy-allocation schemes for minimizing outage under different resource constraints. Monte Carlo simulations are further provided to confirm the analytical results and illustrate the outage performance for different interference conditions and optimization schemes.

Publication metadata

Author(s): Ikki S, Ubaidulla P, Aissa S

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Vehicular Technology

Year: 2013

Volume: 62

Issue: 2

Pages: 896-902

Print publication date: 01/02/2013

ISSN (print): 0018-9545

ISSN (electronic): 1939-9359

Publisher: IEEE


DOI: 10.1109/TVT.2012.2224679


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