Relaying protocol design and optimization for energy harvesting relaying in SWIPT networks
Open Access
- 14 September 2021
- journal article
- research article
- Published by Institution of Engineering and Technology (IET) in IET Communications
- Vol. 15 (19), 2365-2375
- https://doi.org/10.1049/cmu2.12276
Abstract
In this article, a relaying network with simultaneous wireless information and power transfer (SWIPT) is considered, where the relaying nodes are energy-constrained. The relaying nodes rely on energy harvesting (EH) technique for energy supply and they use different directive transmitters for information transmission and energy transfer, respectively, to enhance the SWIPT relaying performance. A novel discrete-time-switch and power-split (DTS-PS) based energy harvesting mixture transmission (EH-MT) protocol for each EH decode and forwarding (DF) relaying node is proposed. The expressions for the average information rate and the energy transfer power are derived analytically and verified by simulations. An optimization function is formulated, and the optimal parameters are obtained analytically and verified by simulation.Keywords
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