DMT Visible Light Communication Using Commercial RGBA LEDs

被引：1
|
作者：
Krishna, V. S. Rakesh [1 ]
Djordjevic, Ivan B. [1 ]
机构：
[1] Univ Arizona, Dept Elect & Comp Engn, 1230 E Speedway Blvd, Tucson, AZ 85721 USA
来源：
METRO AND DATA CENTER OPTICAL NETWORKS AND SHORT-REACH LINKS | 2018年 / 10560卷
关键词：
VLC; WDM; RGBA LED; DMT; QAM; BER; nonlinear distortion; bit and power loading; clipping;
D O I：
10.1117/12.2288784
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：
VLC systems using commercial light emitting diode (LED) offer provision of simultaneous data transmission and illumination. However, limited modulation bandwidth and non-linear distortions are the main challenges faced by VLC designs in achieving high transmission data rates. Wavelength-division multiplexing in VLC (WDM-VLC) can improve the data rates to meet gigabit/s data standards. In this paper, we study the VLC data transmission using a commercially available red-green-blue-amber (RGBA) LED model. With quadrature amplitude modulation based discrete multi-tone (QAM-DMT) transmission, we demonstrate that proposed VLC system can achieve aggregate transmission rate of 2.1 Gb/s at bit error rate (BER) well below 2x10(-3), which is typical hard-decision forward error correction (FEC) threshold.
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页数：6
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