Design and Experimental Demonstration of A Real-Time 95kbps Optical Camera Communication System

被引：0
|
作者：
Tian, Peng [1 ]
Huang, Wei [1 ]
Xu, Zhengyuan [1 ,2 ]
机构：
[1] Univ Sci & Technol China, Chinese Acad Sci, Key Lab Wireless Opt Commun, Hefei, Peoples R China
[2] Tsinghua Univ, Shenzhen Grad Sch, Shenzhen, Peoples R China
来源：
2016 10TH INTERNATIONAL SYMPOSIUM ON COMMUNICATION SYSTEMS, NETWORKS AND DIGITAL SIGNAL PROCESSING (CSNDSP) | 2016年
关键词：
Optical camera communication; color intensity modulation; multi-input multi-output;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A real-time optical camera communication (OCC) system was designed and implemented. The system jointly utilizes 4 intensity levels for each color and 3 colors of each RGB LED of a 16x16 LED array, resulting in a 64-ary color-intensity modulation (CIM) carrying on 6-bit coded information in each symbol. The LED array is refreshed at 82.5 Hz, and a FPGA controlled commercial CMOS image sensor from a mobile phone operates at a frame rate of 330 fps whose outputs are fed into a PC for real-time signal demodulation. Excluding 60 boarder LEDs and 4 spatial synchronization LEDs, the remaining 192 data-carrying LEDs are able to transmit data at an effective rate of about 95 kbps. Bit error rate below 10-3 over a communication distance up to 1.2 m is achieved without any external optical lens.
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页数：6
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