Optimized spatial constellation design for multi-input single-output dimmable visible light communication system

Lin Li; Ru-Han Chen; Jia-Ning Guo; Ke-Ming Tian; Qi Wu; Jian Zhang

doi:10.1117/12.2640241

1 August 2022 Optimized spatial constellation design for multi-input single-output dimmable visible light communication system

Lin Li, Ru-Han Chen, Jia-Ning Guo, Ke-Ming Tian, Qi Wu, Jian Zhang

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Proceedings Volume 12257, 4th International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2022); 122572B (2022) https://doi.org/10.1117/12.2640241
Event: 4th International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2022), 2022, Guangzhou, China

Abstract

In this paper, we investigate the constellation design for the multiple-input single-output (MISO) dimmable visible light communication, where a total average- and a peak-intensity constraint are imposed on the channel input. An optimized spatial constellation is obtained by an equiprobable equally-spaced signal constellation (with a carefully-chosen minimum distance) concatenated with the minimum-energy signaling mapper. Error performance and rate loss of the proposed spatial constellation at high SNRs are evaluated as well. Numerical results show the performance advantage of our proposed constellation over the benchmarks.

Citation Download Citation

Lin Li, Ru-Han Chen, Jia-Ning Guo, Ke-Ming Tian, Qi Wu, and Jian Zhang "Optimized spatial constellation design for multi-input single-output dimmable visible light communication system", Proc. SPIE 12257, 4th International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2022), 122572B (1 August 2022); https://doi.org/10.1117/12.2640241

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KEYWORDS

Light emitting diodes

Transmitters

Signal to noise ratio

Visible radiation

Receivers

Telecommunications

Modulation

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