Capacity Analysis of Cooperative Relaying Systems Using Non-Orthogonal Multiple Access

  title={Capacity Analysis of Cooperative Relaying Systems Using Non-Orthogonal Multiple Access},
  author={Jung-Bin Kim and In-Ho Lee},
  journal={IEEE Communications Letters},
In this letter, we propose the cooperative relaying system using non-orthogonal multiple access (NOMA) to improve the spectral efficiency. The achievable average rate of the proposed system is analyzed for independent Rayleigh fading channels, and also its asymptotic expression is provided. In addition, a suboptimal power allocation scheme for NOMA used at the source is proposed. 
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