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Impact of Imperfect Channel Estimation and Co-Channel Interference of Dual-Hop Relaying Systems

Lookup NU author(s): Dr Salama Ikki


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In this letter, we analyze the performance of amplify-and-forward dual-hop cooperative diversity networks with imperfect channel estimation in the presence of co-channel interference. Exact closed-form expression is derived for the end-to-end signal-to-interference-plus-noise ratio (SINR), and an upper-bound of the exact SINR is introduced. In addition, exact closed-form expressions are obtained for the cumulative density function (CDF) of the upper-bound SINR and the average symbol error probability (ASEP). Furthermore, simple and accurate asymptotic expression for the ASEP is derived. Simulation results demonstrate the accuracy of the theoretical analysis.

Publication metadata

Author(s): Ikki S, Aissa S

Publication type: Article

Publication status: Published

Journal: IEEE Communications Letters

Year: 2012

Volume: 16

Issue: 3

Pages: 324-327

Print publication date: 18/01/2012

ISSN (print): 1089-7798

ISSN (electronic): 1558-2558

Publisher: IEEE


DOI: 10.1109/LCOMM.2012.011312.112042


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