Amplify-and-Forward Selection Cooperation over Rayleigh Fading Channels with Imperfect CSI

@article{Seyfi2012AmplifyandForwardSC,
  title={Amplify-and-Forward Selection Cooperation over Rayleigh Fading Channels with Imperfect CSI},
  author={Mehdi Seyfi and Sami Muhaidat and Jie Liang},
  journal={IEEE Transactions on Wireless Communications},
  year={2012},
  volume={11},
  pages={199-209}
}
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 further we provide closed-form… CONTINUE READING

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