Indoor visible light communication with smart lighting technology

Abhirup Das Barman; Alak Halder

doi:10.1117/12.2256663

20 February 2017 Indoor visible light communication with smart lighting technology

Abhirup Das Barman, Alak Halder

Proceedings Volume 10107, Smart Photonic and Optoelectronic Integrated Circuits XIX; 101070W (2017) https://doi.org/10.1117/12.2256663
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

An indoor visible-light communication performance is investigated utilizing energy efficient white light by 2D LED arrays. Enabled by recent advances in LED technology, IEEE 802.15.7 standardizes high-data-rate visible light communication and advocates for colour shift keying (CSK) modulation to overcome flicker and to support dimming. Voronoi segmentation is employed for decoding N-CSK constellation which has superior performance compared to other existing decoding methods. The two chief performance degrading effects of inter-symbol interference and LED nonlinearity is jointly mitigated using LMS post equalization at the receiver which improves the symbol error rate performance and increases field of view of the receiver. It is found that LMS post equalization symbol at 250MHz offers 7dB SNR improvement at SER10^-6

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Citation Download Citation

Abhirup Das Barman and Alak Halder "Indoor visible light communication with smart lighting technology", Proc. SPIE 10107, Smart Photonic and Optoelectronic Integrated Circuits XIX, 101070W (20 February 2017); https://doi.org/10.1117/12.2256663

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