An Optimal Transmit Power Allocation for the Two-Way Relay Channel Using Physical-Layer Network Coding

@article{Shin2009AnOT,
  title={An Optimal Transmit Power Allocation for the Two-Way Relay Channel Using Physical-Layer Network Coding},
  author={Won-Yong Shin and Namjeong Lee and Jong Bu Lim and Conversation Shin},
  journal={2009 IEEE International Conference on Communications Workshops},
  year={2009},
  pages={1-6}
}
A two-way relaying system using the physical-layer network coding (PNC) does not cause the spectral loss induced by the half-duplex signaling. Furthermore, when the total power, which is limited, is properly distributed to transmission nodes in such a system, the system capacity will be enhanced significantly. In this paper, we propose an optimal power allocation in the twoway relay channel employing the PNC protocol. The optimal power allocation is obtained by maximizing the achievable sumrate… CONTINUE READING
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