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Performance of a New Dynamic Time-Switching Protocol with a Battery-Assisted FD Relay
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DOI：10.1109/VTC2023-Spring57618.2023.10201231.png)
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Abstract
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In this paper, a new instantaneous channel state information-based dynamic time-switching (TS) energy harvesting (EH) protocol is proposed for a two-hop battery-assisted full-duplex (FD) relay network. To ensure reliable communication, a quantum of the battery energy augments the harvested energy. Assuming nonlinear EH, performance is evaluated in terms of throughput for static TS and dynamic TS protocols. In such networks, node-level energy considerations are clearly important but have not attracted research attention. It is demonstrated that by jointly optimizing the average battery energy consumption and the TS parameter, the throughput for both static and dynamic TS protocols can be maximized. It is also demonstrated that the proposed dynamic TS protocol provides substantial gains in throughput and average energy savings compared to the static TS protocol. The accuracy of the derived analytical expressions is verified through Monte Carlo simulations.
Keywords:
Battery energy
dynamic time-switching
energy harvesting
full-duplex
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