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On the Performance of Selection Cooperation with Imperfect Channel Estimation

On the Performance of Selection Cooperation with Imperfect Channel Estimation,Computing Research Repository,Mehdi Seyfi,Sami Muhaidat,Jie Liang

On the Performance of Selection Cooperation with Imperfect Channel Estimation   (Citations: 3)
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In this paper, we investigate the performance of selection cooperation in the presence of imperfect channel estimation. In particular, we consider a cooperative scenario with multiple relays and amplify-and- forward protocol over frequency flat fading channels. In the selection scheme, only the "best" relay which maximizes the effective signal-to-noise ratio (SNR) at the receiver end is selected. We present lower and upper bounds on the effective SNR and derive closed-form expressions for the average symbol error rate (ASER), outage probability and average capacity per bandwidth of the received signal in the presence of channel estimation errors. A simulation study is presented to corroborate the analytical results and to demonstrate the performance of relay selection with imperfect channel estimation.
Journal: Computing Research Repository - CORR , vol. abs/1101.0, 2011
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