Performance analysis of a VLC system with a new light source and joint step-by-step mapping spatial modulation

Jian SONG; Ya-li CAO; Wen-sheng ZHANG; Jian SUN; Cheng-xiang WANG

doi:10.11959/j.issn.2096-3750.2017.00018

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Performance analysis of a VLC system with a new light source and joint step-by-step mapping spatial modulation

Theory and Technology | 更新时间：2024-06-05

- Performance analysis of a VLC system with a new light source and joint step-by-step mapping spatial modulation
- Chinese Journal on Internet of Things Vol. 1, Issue 2, Pages: 54-62(2017)
- 作者机构：
  
  1. 山东大学信息科学与工程学院山东省无线通信技术重点实验室，山东济南 250100
  2. 英国赫瑞瓦特大学工程与自然科学学院传感器、信号与系统研究所，爱丁堡 EH14 4AS
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-3750.2017.00018
  CLC： TN918.1
- Published：30 September 2017，
  
  Published Online：2017-09，
- 稿件说明：
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JIAN SONG, YA-LI CAO, WEN-SHENG ZHANG, et al. Performance analysis of a VLC system with a new light source and joint step-by-step mapping spatial modulation. [J]. Chinese journal on internet of things, 2017, 1(2): 54-62.
DOI：

JIAN SONG, YA-LI CAO, WEN-SHENG ZHANG, et al. Performance analysis of a VLC system with a new light source and joint step-by-step mapping spatial modulation. [J]. Chinese journal on internet of things, 2017, 1(2): 54-62. DOI： 10.11959/j.issn.2096-3750.2017.00018.

摘要

在可见光通信（VLC）系统中采用一种新型光源来同时实现照明和数据传输功能，并提出基于空间调制和红色、绿色及蓝色（RGB）LED联合分步映射空间调制方法。该新型光源由白光LED和一组或多组RGB LED组成，其中，白光LED仅提供照明功能，RGB LED则被用来传输数据信息。在光源成色方面，通过功率分配来控制 RGB LED 的成色，并用颜色显色指数（CRI）来评价新光源的成色质量。在光源通信方面，对联合分步映射空间调制与直流偏置光正交频分复用（DCO-OFDM）在接收端的误码率性能进行了研究与验证。仿真结果显示，RGB LED 的功率可根据不同的通信和照明要求做自适应调整以适应不同场景的需求，同时在合适的灯组布局和直流偏置下，该系统可取得较好的误码率性能。

Abstract

A new type of light source in the visible light communication (VLC) system was adopted to realize the illumination and data transmission functions simultaneously.Also

a joint step-by-step mapping spatial modulation method based on spatial modulation and red

green

and blue (RGB) LED was proposed.The new light source consisted of white LED and one or more sets of RGB LED

where white LED provided only illumination and RGB LED was only used for communications.The color of RGB LED was controlled by power allocation and the color quality of the new light source was evaluated by color rendering index (CRI).Moreover

the bit error rate (BER) performance of the joint step-by-step mapping spatial modulation scheme with direct current optical orthogonal frequency division multiplexing (DCO-OFDM) at the receivers was also analysed.Simulation results show that the power of RGB LED can be adaptively adjusted according to different requirements of communication and illumination to meet the needs of different scenarios.The VLC system can achieve good BER performance with appropriate light group layout and direct current paranoia.

关键词

可见光通信新型光源联合分步映射空间调制功率比DCO-OFDM

Keywords

VLCnew light sourcejoint step-by-step mapping spatial modulationpower ratioDCO-OFDM

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