Lasers, Fiber Optics, and Communications

Long-range high-speed visible light communication system over 100-m outdoor transmission utilizing receiver diversity technology

[+] Author Affiliations
Yiguang Wang, Xingxing Huang, Jianyang Shi, Yuan-quan Wang, Nan Chi

Fudan University, Key Laboratory for Information Science of Electromagnetic Waves (MoE), Department of Communication Science and Engineering, No. 220, Handan Road, Shanghai 200433, China

Opt. Eng. 55(5), 056104 (May 09, 2016). doi:10.1117/1.OE.55.5.056104
History: Received December 7, 2015; Accepted April 15, 2016
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Abstract.  Visible light communication (VLC) has no doubt become a promising candidate for future wireless communications due to the increasing trends in the usage of light-emitting diodes (LEDs). In addition to indoor high-speed wireless access and positioning applications, VLC usage in outdoor scenarios, such as vehicle networks and intelligent transportation systems, are also attracting significant interest. However, the complex outdoor environment and ambient noise are the key challenges for long-range high-speed VLC outdoor applications. To improve system performance and transmission distance, we propose to use receiver diversity technology in an outdoor VLC system. Maximal ratio combining–based receiver diversity technology is utilized in two receivers to achieve the maximal signal-to-noise ratio. A 400-Mb/s VLC transmission using a phosphor-based white LED and a 1-Gb/s wavelength division multiplexing VLC transmission using a red–green–blue LED are both successfully achieved over a 100-m outdoor distance with the bit error rate below the 7% forward error correction limit of 3.8×103. To the best of our knowledge, this is the highest data rate at 100-m outdoor VLC transmission ever achieved. The experimental results clearly prove the benefit and feasibility of receiver diversity technology for long-range high-speed outdoor VLC systems.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Yiguang Wang ; Xingxing Huang ; Jianyang Shi ; Yuan-quan Wang and Nan Chi
"Long-range high-speed visible light communication system over 100-m outdoor transmission utilizing receiver diversity technology", Opt. Eng. 55(5), 056104 (May 09, 2016). ; http://dx.doi.org/10.1117/1.OE.55.5.056104


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