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Optical Engineering

Light-emitting-diode-based wide-field-of-view transceiver for indoor optical infrared wireless communication
Author(s): Lijun Jiang; George C.K. Chen; Ye Yang; New Wei Lee; Allen Yeo; Hongga Li
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Paper Abstract

A portable transceiver for indoor wireless link that employs a transmitter of eye-safe infrared light-emitting diodes and a receiver of photodiode arrays with multichannel transimpedance-summer architecture is presented. The transmitter can attain a wide field of view (up to 55 deg half-angle) and high speed (up to 35 MHz) to support different intensity modulation schemes. The receiver can receive signals with a bit error rate (BER) of 10–4 at a plane of 2 m away from the transmitter, even at a point ±50 deg off the transmitter's vertical axis. The bit rate of the transceiver can achieve up to 40 Mbit/s in an indoor nondirected infrared wireless link, and can be extended to 100 Mbit/s when light-emitting diodes (LEDs) with higher cut frequency are used. The system is able to transmit real-time uncompressed video 320×240 in frame size.

Paper Details

Date Published: 1 April 2004
PDF: 6 pages
Opt. Eng. 43(4) doi: 10.1117/1.1666653
Published in: Optical Engineering Volume 43, Issue 4
Show Author Affiliations
Lijun Jiang, National Grid Office (Singapore)
George C.K. Chen, Nanyang Technological Univ. (Singapore)
Ye Yang, Clemson Univ. (United States)
New Wei Lee, Nanyang Technological Univ. (Singapore)
Allen Yeo, Nanyang Technological Univ. (Singapore)
Hongga Li, Nanyang Technological Univ. (Singapore)

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