Real-time white-light phosphor-LED visible light communication (VLC) with compact size | Zendy

Chien-Hung Yeh | Zendy; YenLiang Liu | Zendy; ChiWai Chow | Zendy

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Real-time white-light phosphor-LED visible light communication (VLC) with compact size

Author(s) -

Chien-Hung Yeh,

YenLiang Liu,

ChiWai Chow

Publication year - 2013

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.21.026192

Subject(s) - visible light communication , megabit , optics , phosphor , bandwidth (computing) , transmitter , computer science , free space optical communication , bit error rate , transmission (telecommunications) , data transmission , light emitting diode , optical communication , optoelectronics , telecommunications , materials science , physics , computer hardware , decoding methods , channel (broadcasting)

In this demonstration, we first demonstrate a real-time phosphor-LED visible light communication (VLC) system with 37 Mbit/s total throughput under a 1.5 m free space transmission length. The transmitter and receiver modules are compact size. Utilizing our proposed pre-equalization technology, the ~1 MHz bandwidth of phosphor LED could be extended to ~12 MHz without using blue filter. Thus, the increase in bandwidth would enhance the traffic data rate for VLC transmission. The maximum bit-rate achieved by the VLC system is 37 Mbit/s, and a video transmission at 28.419 Mbit/s is demonstrated using the proposed VLC system. In addition, the relationships of received power and signal performance are discussed and analyzed.

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