Implementation and experimental demonstration of a real-time 7-DSSS VLC system based on FPGA

Chen, Qingbo, Zhang, Min, Ghassemlooy, Zabih, Luo, Pengfei, Han, Dahai and Zhang, Bo (2017) Implementation and experimental demonstration of a real-time 7-DSSS VLC system based on FPGA. In: Proceedings of the 15th International Conference on Optical Communications and Networks (ICOCN). IEEE, pp. 1-3. ISBN 9781509034918

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Official URL: https://doi.org/10.1109/ICOCN.2016.7875635

Abstract

In this paper, a real-time seven-direct-sequence spread-spectrum (7-DSSS) visible light communications (VLC) system based on field-programmable-gate-array (FPGA) is implemented and experimentally demonstrated. We add interference light in our field experiments to build the multipath environment. And then, we measure the bit error rate performance of both on and off keying (OOK) and 7-DSSS VLC systems for different bit rates over a transmission distance of 1.5 m. The results show that using the DSSS technique in VLC system the multipath induced interference is suppressed thus leading to improved performance.

Item Type: Book Section
Uncontrolled Keywords: multipath interference, real-time, seven-direct-sequence spread-spectrum, visible light communications, bit error rate
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Depositing User: Ay Okpokam
Date Deposited: 18 Apr 2017 11:32
Last Modified: 18 Apr 2017 15:24
URI: http://nrl.northumbria.ac.uk/id/eprint/30514

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