On the coverage of multiple-input multiple-output visible light communications

Chen, Chen, Zhong, Wen-De and Wu, Dehao (2017) On the coverage of multiple-input multiple-output visible light communications. Journal of Optical Communications and Networking, 9 (9). D31 -D41. ISSN 1943-0620

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Visible light communication (VLC) using multiple-input multiple-output (MIMO) has great potential for future high-data-rate indoor wireless communications. Owing to the dual function of white light-emitting diodes (LEDs), i.e., illumination and communication functions, both the illumination and communication coverages need to be evaluated when implementing an indoor MIMO-VLC system. In this paper, we present a comprehensive investigation of both the illumination and communication coverages of an indoor MIMO-VLC system. Two techniques are applied in the MIMO-VLC system for communication coverage improvement, including a non-Hermitian symmetry orthogonal frequency division multiplexing (NHS-OFDM) modulation scheme and an imaging angle diversity receiver. A general indoor imaging MIMO-VLC system using NHS-OFDM is described and the analytical bit error rate expression of the system is derived. The impact of LED pairing on the communication coverage of an indoor imaging MIMO-VLC system based on NHS-OFDM is also analyzed.

Item Type: Article
Keywords: Light emitting diodes, Lighting, Optical receivers, Optical imaging , OFDM
Schools and Departments: School of Engineering and Informatics > Engineering and Design
Research Centres and Groups: Advanced Communications, Mobile Technology and IoT (ACMI)
Depositing User: Dehao Wu
Date Deposited: 17 Oct 2019 11:28
Last Modified: 19 Jul 2021 10:33
URI: http://sro.sussex.ac.uk/id/eprint/87177

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