On Design of Collaborative Beamforming for Two-Way Relay Networks

  title={On Design of Collaborative Beamforming for Two-Way Relay Networks},
  author={Meng Zeng and Rui Zhang and Shuguang Cui},
  journal={IEEE Transactions on Signal Processing},
This paper studies the achievable rate region for an amplify-and-forward (AF)-based two-way relay network with collaborative beamforming. With different assumptions of channel reciprocity between the source-relay and relay-source channels, the achievable rate region is characterized under two setups. First, with reciprocal channels, we investigate the achievable rate regions when the relay cluster is subject to a sum-power constraint or individual-power constraints. We show that the optimal… CONTINUE READING
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