Energy Efficiency Optimization Method of WDM Visible Light Communication System for Indoor Broadcasting Networks
CoRR(2024)
摘要
This paper introduces a novel approach to optimize energy efficiency in
wavelength division multiplexing (WDM) Visible Light Communication (VLC)
systems designed for indoor broadcasting networks. A physics-based LED model is
integrated into system energy efficiency optimization, enabling quantitative
analysis of the critical issue of VLC energy efficiency: the nonlinear
interplay between illumination and communication performance. The optimization
jointly incorporates constraints on communication quality of each channel, and
illumination performance, standardized by the International Commission on
Illumination (CIE). The formulated nonlinear optimization problem is solved by
the Sequential Quadratic Programming (SQP) algorithm in an experiment-based
simulation. An integrated Red-Green-Blue-Yellow Light Emitting Diode (RGBY-LED)
is measured for model calibration and three different scenarios are simulated
to evaluate the generality of the proposed method. Results demonstrate a double
enhancement in performance and a high versatility in accommodating various
scenarios. Furthermore, it highlights the importance of balancing communication
and illumination imperatives in VLC systems, challenging conventional
perceptions focused solely on minimizing power consumption.
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