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Updated: Nov 12, 2025
07:45
Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
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Rate optimization for relaying VLC system with simultaneous lightwave information and power transfer
Optics Express
|March 17, 2021
Summary
This study optimizes data rates in relaying visible light communication systems using simultaneous lightwave information and power transfer (SLIPT) and power splitting (PS). Results show relays enhance system performance for efficient wireless power and data transmission.
Area of Science:
- Wireless Communication
- Optical Networking
- Energy Harvesting
Background:
- Visible light communication (VLC) systems offer high bandwidth potential.
- Simultaneous Lightwave Information and Power Transfer (SLIPT) enables concurrent data transmission and energy harvesting.
- Relay nodes can extend communication range and improve signal quality in wireless systems.
Purpose of the Study:
- To investigate and optimize the data rate in a relaying VLC system employing SLIPT.
- To analyze the impact of the power splitting (PS) strategy on system performance.
- To maximize the transmission rate by optimizing the PS factor.
Main Methods:
- Derivation of mathematical expressions for transmission rate and energy harvesting.
- Formulation of a rate maximization problem.
- Optimization of the power splitting (PS) factor to find a closed-form solution.
Main Results:
- A closed-form solution for the rate optimization problem was successfully derived.
- The study quantified the transmission rate and energy harvested at the target node.
- Numerical simulations confirmed the derived theoretical results.
Conclusions:
- The integration of a relay node significantly enhances the performance of SLIPT VLC systems.
- Optimizing the power splitting factor is crucial for maximizing data rates.
- Relaying strategies offer a promising approach for improving the efficiency of VLC networks.
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