標題: Adaptive filtering for white-light LED visible light communication
作者: Hsu, Chin-Wei
Chen, Guan-Hong
Wei, Liang-Yu
Chow, Chi-Wai
Lu, I-Cheng
Liu, Yen-Liang
Chen, Hsing-Yu
Yeh, Chien-Hung
Liu, Yang
光電工程學系
Department of Photonics
關鍵字: optical communications;visible light communication;optical wireless communication
公開日期: 1-Jan-2017
摘要: White-light phosphor-based light-emitting diode (LED) can be used to provide lighting and visible light communication (VLC) simultaneously. However, the long relaxation time of phosphor can reduce the modulation bandwidth and limit the VLC data rate. Recent VLC works focus on improving the LED modulation bandwidths. Here, we propose and demonstrate the use of adaptive Volterra filtering (AVF) to increase the data rate of a white-light LED VLC system. The detailed algorithm and implementation of the AVF for the VLC system have been discussed. Using our proposed electrical frontend circuit and the proposed AVF, a significant data rate enhancement to 700.68 Mbit/s is achieved after 1-m free-space transmission using a single white-light phosphor-based LED. (C) 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
URI: http://dx.doi.org/10.1117/1.OE.56.1.016115
http://hdl.handle.net/11536/133305
ISSN: 0091-3286
DOI: 10.1117/1.OE.56.1.016115
期刊: OPTICAL ENGINEERING
Volume: 56
Issue: 1
起始頁: 0
結束頁: 0
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