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A Signal Amplification-based Transceiver for Visible Light Communication
Author(s) -
Augustus E. Ibhaze,
F.O. Edeko,
Patience E. Orukpe
Publication year - 2020
Publication title -
maǧallaẗ al-handasaẗ/journal of engineering
Language(s) - English
Resource type - Journals
eISSN - 2520-3339
pISSN - 1726-4073
DOI - 10.31026/j.eng.2020.11.08
Subject(s) - visible light communication , transceiver , data transmission , photodiode , electronic engineering , computer science , transmitter , wireless , bandwidth (computing) , optical communication , transmission (telecommunications) , electrical engineering , computer hardware , light emitting diode , telecommunications , engineering , optoelectronics , physics , channel (broadcasting)
Visible light communication (VLC) is an upcoming wireless technology for next-generation communication for high-speed data transmission. It has the potential for capacity enhancement due to its characteristic large bandwidth. Concerning signal processing and suitable transceiver design for the VLC application, an amplification-based optical transceiver is proposed in this article. The transmitter consists of a driver and laser diode as the light source, while the receiver contains a photodiode and signal amplifying circuit. The design model is proposed for its simplicity in replacing the trans-impedance and transconductance circuits of the conventional modules by a simple amplification circuit and interface converter. The system was tested at communication distances of 1m and 3.5m using a terminal emulation program for data transfer between two computing devices.

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