Design and implementation of a real-time CIM-MIMO optical camera communication system

被引：40
作者：
Huang, Wei [1 ]
Tian, Peng [1 ]
Xu, Zhengyuan [1 ,2 ]
机构：
[1] Chinese Acad Sci, Univ Sci & Technol China, Key Lab Wireless Opt Commun, Hefei 230027, Anhui, Peoples R China
[2] Tsinghua Univ, ShenZhen Grad Sch, Shenzhen 518055, Peoples R China
来源：
OPTICS EXPRESS | 2016年 / 24卷 / 21期
关键词：
VISIBLE-LIGHT COMMUNICATION;
D O I：
10.1364/OE.24.024567
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A real-time color-intensity modulation multi-input-multi-output (CIM-MIMO) optical camera communication (OCC) system is designed and implemented. It utilizes multiple intensity levels for each color and 3 colors of each RGB LED module of a LED array, to generate M-ary CIM symbols. Signal constellation and training sequences are designed to tackle the system imperfectness. Applying 256-CIM to 192 data-carrying LEDs of a commercial 16 x 16 LED array at a refresh rate of 82.5 Hz and a mobile phone camera at a frame rate of 330 fps, the system achieves a data rate of 126.72 kbps over 1.4 m, without external optical assistance. (C) 2016 Optical Society of America
引用
收藏
页码：24567 / 24579
页数：13
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