Indoor Visible Light Communication with Smart Lighting Technology

被引：0

作者：

Das Barman, Abhirup ^{[1
]}

Halder, Alak ^{[1
]}

机构：

[1] Univ Calcutta, Inst Radio Phys & Elect, 92 APC Rd, Kolkata 700009, WB, India

来源：

SMART PHOTONIC AND OPTOELECTRONIC INTEGRATED CIRCUITS XIX | 2017年 / 10107卷

关键词：

VLC; LED Nonlinearity; ISI; Voronoi segmentation; CSK constellation; OPTICAL COMMUNICATION;

D O I：

10.1117/12.2256663

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An indoor visible-light communication performance is investigated utilizing energy efficient white light by 2D LED arrays. Enabled by recent advances in LED technology, IEEE 802.15.7 standardizes high-data-rate visible light communication and advocates for colour shift keying (CSK) modulation to overcome flicker and to support dimming. Voronoi segmentation is employed for decoding N-CSK constellation which has superior performance compared to other existing decoding methods. The two chief performance degrading effects of inter-symbol interference and LED nonlinearity is jointly mitigated using LMS post equalization at the receiver which improves the symbol error rate performance and increases field of view of the receiver. It is found that LMS post equalization symbol at 250MHz offers 7dB SNR improvement at SER10(-6).

引用

页数：11

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