Mitigating channel estimation error via cooperative communications

  title={Mitigating channel estimation error via cooperative communications},
  author={Ahmed S. Ibrahim and K. J. Ray Liu},
  journal={2009 IEEE International Conference on Communications},
Channel estimation error problem is among the main causes of performance degradation in wireless networks. In this paper, we investigate the impact of cooperative communications on mitigating the effect of channel estimation error. Two main performance criteria, namely, the traditional outage probability and the proposed signal-to-noise ratio (SNR) gap ratio, are utilized to characterize such impact. The SNR gap ratio measures the reduction in the SNR due to channel estimation error. Taking… CONTINUE READING
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