Optimal Power Allocation and Capacity of Full-Duplex AF Relaying under Residual Self-Interference

  title={Optimal Power Allocation and Capacity of Full-Duplex AF Relaying under Residual Self-Interference},
  author={Leonardo Jim{\'e}nez Rodr{\'i}guez and Nghi H. Tran and Tho Le-Ngoc},
  journal={IEEE Wireless Communications Letters},
This paper investigates the optimal power allocation scheme and corresponding capacity limit of a full-duplex (FD) dual-hop amplify-and-forward relay system under residual self-interference whose variance is proportional to the λ'th power of the transmitted power (0 ≤ λ ≤ 1). At first, the related optimization problems are shown to be quasiconcave under both per-node and sum power constraints. Given the non-linearity of the derivative, bisection is then proposed to obtain the optimal power… CONTINUE READING
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