Impact of Imperfect Channel State Information on Bi-Directional Communications With Relay Selection

@article{Ding2011ImpactOI,
  title={Impact of Imperfect Channel State Information on Bi-Directional Communications With Relay Selection},
  author={Zhiguo Ding and Kin K. Leung},
  journal={IEEE Transactions on Signal Processing},
  year={2011},
  volume={59},
  pages={5657-5662}
}
In this correspondence, we study the effect of channel estimation error to the reception reliability for decode-forward based two-way relaying and physical layer network coding. In particular, we focus on the scenario where the channel estimation error is inversely proportional to signal-to-noise ratio (SNR). To such a scenario, analytic results have been developed to show that symbol error probability can approach zero by increasing SNR and extra diversity gains can still be achieved by… CONTINUE READING
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Optimized constellations for two - way wireless relaying with physical network coding

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