Experimental demonstration of a full-duplex high-speed visible light communication access network architecture based on frequency division multiplexing

Yiguang Wang; Yuanquan Wang; Li Tao; Jianyang Shi; Nan Chi

doi:10.1117/1.OE.53.11.116104

5 November 2014 Experimental demonstration of a full-duplex high-speed visible light communication access network architecture based on frequency division multiplexing

Yiguang Wang, Yuanquan Wang, Li Tao, Jianyang Shi, Nan Chi

Author Affiliations +

Optical Engineering, Vol. 53, Issue 11, 116104 (November 2014). https://doi.org/10.1117/1.OE.53.11.116104

Abstract

We propose and experimentally demonstrate a full-duplex high-speed visible light communication (VLC) access network based on star topology architecture to offer high-speed optical wireless access for a large number of users. Optical fiber is used as the backbone of the VLC network and directly connected to the light-emitting diode lamps. Frequency division multiplexing (FDM) is utilized for both the downlink and uplink. The bidirectional transmission of 32 quadrature amplitude modulation orthogonal FDM signals at an overall throughput of 4 Gb/s is successfully achieved to support four users access, and each user is offered 500 Mb/s downstream and 500 Mb/s upstream. The measured bit error rates of the downlink and uplink for all four users are <7% pre-forward error correction limit of 3.8×10−³ after a 25 km standard single-mode fiber and 65 cm free space, which clearly validates the promising potential of the proposed VLC network architecture to offer more than 10 Gb/s wireless access.

Citation Download Citation

Yiguang Wang, Yuanquan Wang, Li Tao, Jianyang Shi, and Nan Chi "Experimental demonstration of a full-duplex high-speed visible light communication access network architecture based on frequency division multiplexing," Optical Engineering 53(11), 116104 (5 November 2014). https://doi.org/10.1117/1.OE.53.11.116104

Published: 5 November 2014

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