Impact of Channel Estimation Errors and Power Allocation on Analog Network Coding and Routing in Two-Way Relaying

@article{Tabataba2012ImpactOC,
  title={Impact of Channel Estimation Errors and Power Allocation on Analog Network Coding and Routing in Two-Way Relaying},
  author={Foroogh S. Tabataba and Parastoo Sadeghi and Charlotte Hucher and Mohammad Reza Pakravan},
  journal={IEEE Transactions on Vehicular Technology},
  year={2012},
  volume={61},
  pages={3223-3239}
}
In this paper, we study two important transmission strategies in full-duplex two-way relaying in the presence of channel estimation errors. In analog network coding (ANC), the relay transmits the combined signals that were received from both sources, with the aim of achieving better spectral efficiency. However, due to imperfect channel-state information (CSI), sources cannot perfectly cancel their own data in the relayed signal. We derive an achievable information rate for ANC in imperfect-CSI… CONTINUE READING
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