Beamforming optimisation in energy harvesting cooperative full-duplex networks with self-energy recycling protocol


This study considers the problem of beamforming optimisation in an amplify-and-forward relaying cooperative network, in which the relay node harvests the energy from the radio-frequency signal. Primarily based on the self-energy recycling relay protocol, the authors study the beamforming optimisation downside. The formulated problem aims to maximise the achievable rate subject to the available transmitted power at the relay node. The authors develop a semidefinite programming (SDP) relaxation technique to solve the proposed downside. They conjointly use SDP and the full search to solve the beamforming optimisation based mostly on a time-switching relaying protocol as a benchmark. The simulation results are presented to verify that the self-energy recycling protocol achieves a vital rate gain compared with the time-switching relaying protocol and the ability-splitting relaying protocol.

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