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Title: Performance of a novel LED lamp arrangement to reduce SNR fluctuation for multi-user visible light communication systems
Authors: Wang, Zixiong
Yu, Changyuan
Zhong, Wende
Chen, Jian
Chen, Wei
Keywords: DRNTU::Engineering::Electrical and electronic engineering::Electric power
Issue Date: 2012
Source: Wang, Z., Yu, C., Zhong, W., Chen, J., & Chen, W. (2012). Performance of a novel LED lamp arrangement to reduce SNR fluctuation for multi-user visible light communication systems. Optics Express, 20(4), 4564-4573.
Series/Report no.: Optics express
Abstract: This paper investigates the performance of our recently proposed LED lamp arrangement to reduce the SNR fluctuation from different locations in the room for multi-user visible light communications. The LED lamp arrangement consists of 4 LED lamps positioned in the corners and 12 LED lamps spread evenly on a circle. Our studies show that the SNR fluctuation under such a LED lamp arrangement is reduced from 14.5 dB to 0.9 dB, which guarantees that users can obtain almost identical communication quality, regardless of their locations. After time domain zero-forcing (ZF) equalization, the BER performances and channel capacities of 100-Mbit/s and 200-Mbit/s bipolar on-off-keying (OOK) signal with most significant inter-symbol interference (ISI) are very close to that of the channel without any ISI caused by this LED lamp arrangement.
ISSN: 1094-4087
DOI: 10.1364/OE.20.004564
Rights: © 2012 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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