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Rate optimization for relaying VLC system with simultaneous lightwave information and power transfer
Author(s) -
Kuan Ye,
Tengjiao Wang,
Fang Yang
Publication year - 2021
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.417634
Subject(s) - visible light communication , maximization , computer science , maximum power transfer theorem , transmission (telecommunications) , relay , node (physics) , power (physics) , bit error rate , optimization problem , data transmission , free space optical communication , communications system , optics , optical communication , electronic engineering , mathematical optimization , telecommunications , physics , decoding methods , mathematics , computer network , algorithm , light emitting diode , engineering , quantum mechanics
In this paper, the rate optimization problem in a relaying visible light communication system with simultaneous lightwave information and power transfer (SLIPT) is investigated, where the power splitting (PS) transmission strategy is adopted. The expressions of the transmission rate and energy harvesting at the target node are derived, based on which, the rate maximization problem is formulated. Then, this problem is solved by optimizing the PS factor, and a closed-form solution is given. Numerical results reveal that the existence of the relay node improves the system performance.

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