Channel Equalization based on QR Decomposition in Indoor Visible Light Communication

被引：0
|
作者：
Li, Xiang [1 ]
Zhong, Wen-De [1 ]
Alphones, Arokiaswami [1 ]
Yu, Changyuan [2 ]
Yang, Qi [3 ]
机构：
[1] Nanyang Technol Univ, Sch EEE, Singapore 639798, Singapore
[2] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117548, Singapore
[3] Wuhan Res Inst Posts & Telecommun, State Key Lab Opt Comm Technol & Networks, Wuhan, Peoples R China
来源：
PROCEEDINGS OF THE 2015 10TH IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS | 2015年
关键词：
visible light communication (VLC); light emitting diodes (LED); QR decomposition; OFDM;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, we propose a QR decomposition based channel equalizer in visible light communication (VLC) systems for indoor broadband wireless access to overcome the bandwidth limitation of phosphor-coated white light emitting diodes (LEDs). The effectiveness of the proposed QR decomposition based channel equalizer is experimentally investigated in a 400-Mb/s VLC system over 1.6-m air transmission with discrete multi-tones (DMT) modulations and discrete Fourier transform (DFT) spreading. Compared with conventional channel equalizers for DMT modulations, the QR decomposition based channel equalizer can combat the limited bandwidth of phosphor-coated white LEDs and achieve much better transmission performances.
引用
收藏
页码：1490 / 1494
页数：5
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