Visible light communications for the implementation of internet-of-things

被引:27
|
作者
Chen, Chia-Wei [1 ]
Wang, Wei-Chung [1 ]
Wu, Jhao-Ting [1 ]
Chen, Hung-Yu [1 ]
Liang, Kevin [1 ]
Wei, Liang-Yu [1 ]
Hsu, Yung [1 ]
Hsu, Chin-Wei [1 ]
Chow, Chi-Wai [1 ]
Yeh, Chien-Hung [2 ]
Liu, Yang [3 ]
Hsieh, Hsiang-Chin [4 ]
Chen, Yen-Ting [4 ]
机构
[1] Natl Chiao Tung Univ, Dept Photon, Inst Electroopt Engn, Hsinchu 30010, Taiwan
[2] Feng Chia Univ, Dept Photon, Taichung 40724, Taiwan
[3] Philips Elect Ltd, Hong Kong, Hong Kong, Peoples R China
[4] Inst Informat Ind, Taipei 106, Taiwan
关键词
optical communications; visible light communication; optical wireless communication; sensing;
D O I
10.1117/1.OE.55.6.060501
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
It is predicted that the number of internet-of-things (IoT) devices will be >28 billion in 2020. Due to the shortage of the conventional radio-frequency spectrum, using visible light communication (VLC) for IoT can be promising. IoT networks may only require very low-data rate communication for transmitting sensing or identity information. The implementation of a VLC link on existing computer communication standards and interfaces is important. Among the standards, universal asynchronous receiver/transmitter (UART) is very popular. We propose and demonstrate a VLC-over-UART system. Bit error rate analysis is performed. Different components and modules used in the proposed VLC-over-UART system are discussed. Then, we also demonstrate a real-time simultaneous temperature, humidity, and illuminance monitoring using the proposed VLC link. (C) 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)
引用
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页数:3
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