Dimming control technique for compressed sensing-based optical camera communications

被引：2
|
作者：
Kim, Byung Wook [1 ]
Jung, Sung-Yoon [2 ]
机构：
[1] Hoseo Univ, Dept Informat Commun Technol Automot Engn, 201,Sandan 7 Ro, Dangjin Si 31702, Chungnam, South Korea
[2] Yeungnam Univ, Dept Elect Engn, 280 Daehak Ro, Gyongsan 38541, Gyeongsangbuk, South Korea
来源：
PHOTONIC NETWORK COMMUNICATIONS | 2018年 / 36卷 / 01期
关键词：
Optical camera communications; Visible light communications; Dimming control;
D O I：
10.1007/s11107-018-0775-7
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Compressed sensing (CS)-based optical camera communications (CS-OCC) technology was previously studied to support accurate optical data detection with down-sampled measurements. This paper extends the CS-based OCC scheme to discuss the methods supporting dimming control functionality. Based on measurement matrices consisting of a random distribution of pseudo-noise (PN) code for sparse reconstruction, various solutions for a dimmable CS-OCC method are provided. The simulation results show that the CS-OCC scheme of Gaussian PN code with a varying mean signal shows the best data retrieval performance, while providing robust dimming control.
引用
收藏
页码：165 / 173
页数：9
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