A Power Optimization Method of Light Sources Based on Fireworks Algorithm in Visible Light Communications

YOU Chun-xia; HU Qing-song; LI Shi-dang

doi:10.12263/DZXB.20220193

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A Power Optimization Method of Light Sources Based on Fireworks Algorithm in Visible Light Communications

PAPERS | 更新时间：2025-12-11

- A Power Optimization Method of Light Sources Based on Fireworks Algorithm in Visible Light Communications
- ACTA ELECTRONICA SINICA Vol. 52, Issue 6, Pages: 2083-2090(2024)
- 作者机构：
  
  1.江苏师范大学物理与电子工程学院，江苏徐州 221116
  2.中国矿业大学信息与控制工程学院，江苏徐州 221008
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China(51874299;62371451);Jiangsu Provincial Industry-University-Research Institute Cooperation Project(BY2020580);Jiangsu Normal University Doctoral Research Fund Project(18XLRS015)
- DOI：10.12263/DZXB.20220193
  CLC： TN929.1
- Received：21 February 2022，
  
  Revised：2023-10-15，
  
  Published：25 June 2024
- 稿件说明：
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游春霞,胡青松,李世党.基于烟花算法的可见光通信光源功率优化方法[J].电子学报,2024,52(06):2083-2090.

YOU Chun-xia, HU Qing-song, LI Shi-dang.A Power Optimization Method of Light Sources Based on Fireworks Algorithm in Visible Light Communications[J].Acta Electronica Sinica, 2024, 52(06): 2083-2090.
游春霞,胡青松,李世党.基于烟花算法的可见光通信光源功率优化方法[J].电子学报,2024,52(06):2083-2090. DOI：10.12263/DZXB.20220193

YOU Chun-xia, HU Qing-song, LI Shi-dang.A Power Optimization Method of Light Sources Based on Fireworks Algorithm in Visible Light Communications[J].Acta Electronica Sinica, 2024, 52(06): 2083-2090. DOI：10.12263/DZXB.20220193

摘要

为了改善室内可见光通信系统接收平面光信号信噪比波动大的问题，提高可见光通信系统的整体性能，设计了基于群体优化算法——烟花算法的可见光通信系统的光源功率优化算法.该算法以无线光接收平面的信噪比因子为优化目标，优化每个LED（Light Emitting Diode）光源的发射功率，获取接收平面最优信噪比因子，有效降低光接收平面光信号波动度.结果表明，当光源数量为16个点光源时，接收平面信噪比因子比等功率的光源分布降低了45%，显著改善了接收光信号的波动幅度，从而保证不同位置点的光通信用户获得同等通信质量.该方法适用于任意数量和位置的LED光源，不受光源数量和位置的限制.对比分析发现，增加光源数量，接收平面信噪比因子更小，信噪比分布均匀性更优.

Abstract

To solve the large fluctuation problem of signal-to-noise ratio of optical signals on the received plane in the indoor visible light communication system and improve the overall performance of the visible light communication system

a light source power optimization algorithm for the visible light communication system based on the swarm optimization algorithm — fireworks algorithm is proposed. The algorithm takes the signal-to-noise ratio factor of the wireless light-receiving plane as the optimization goal

optimizes the transmit power of each LED (Light Emitting Diode) light source

obtains the optimal signal-to-noise ratio factor on the receiving plane

and effectively reduces the optical signal fluctuation of the light-receiving plane. The results show that when the number of light sources is 16 point light sources

the signal-to-noise ratio factor on the receiving plane is reduced by 45% compared with the equal power light sources

which significantly improves the fluctuation amplitude of the received optical signal

thereby ensuring that the optical communication users at different positions can obtain the same communication quality. This method is suitable for any number and position of LED light sources

and is not limited by the number and positions of light sources. The comparative analysis shows that the signal-to-noise ratio factor of the receiving plane is smaller and the uniformity of the signal-to-noise ratio distribution is better with the increase of the number of light sources.

关键词

Keywords

references

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