基于新型光源的联合分步映射空间调制可见光通信系统性能分析

doi:10.11959/j.issn.2096-3750.2017.00018

Chinese Journal on Internet of Things ›› 2017, Vol. 1 ›› Issue (2): 54-62.doi: 10.11959/j.issn.2096-3750.2017.00018

• Theory and Technology • Previous Articles Next Articles

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

Jian SONG¹,Ya-li CAO¹,Wen-sheng ZHANG¹,Jian SUN¹,Cheng-xiang WANG^1,²

¹ Shandong Provincial Key Lab of Wireless Communication Technologies,School of Information Science and Engineering,Shandong University,Jinan 250100,China
² Institute of Sensors,Signals and Systems,School of Engineering ＆Physical Sciences,Heriot-Watt University,Edinburgh EH14 4AS,UK

Revised:2017-08-20 Online:2017-09-01 Published:2018-03-10
Supported by:
The National Natural Science Foundation of China(61371110);The Natural Science Foundation of Shandong Province(ZR2017MF012);Shandong Key Research and Development Program(2016GGX101014)

Abstract

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.

Key words: VLC, new light source, joint step-by-step mapping spatial modulation, power ratio, DCO-OFDM

CLC Number:

TN918.1

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

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References 20

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映射序列	R	G	RG	RB
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Performance analysis of a VLC system with a new light source and joint step-by-step mapping spatial modulation

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