Vehicle-mounted real-time digital voice communication system based on visible light communication

Qiurong Yan; Xiuxiu Gu; Du Chen; Hui Wang; Hua Huang; Xuxin Chen; Qingshan Cao; Hongqing Liu

doi:10.1117/12.2208826

5 November 2015 Vehicle-mounted real-time digital voice communication system based on visible light communication

Qiurong Yan, Xiuxiu Gu, Du Chen, Hui Wang, Hua Huang, Xuxin Chen, Qingshan Cao, Hongqing Liu

Proceedings Volume 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015; 97950D (2015) https://doi.org/10.1117/12.2208826
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held June-July 2015, 2015, Hefei, Suzhou, and Harbin, China

Abstract

Based on the phenomenon that more and more cars use LED for lighting and the current rise of visible light communication technology, this paper proposes a vehicle real-time voice communication system with high reliability on the basis of visible light communication for verification. The paper introduces the design of digital audio collection and output module, On-Off Keying (OOK) modulation and demodulation, Reed-Solomon encoding and decoding module, array LEDs emission and the module of PIN receiving signals. The LED lamp frequency response, communication distance, error rate and other parameters are tested and calibrated. The digital audio real-time communication system’s receiving speed is 500Kbps when the communication distance is 3.9 meters.

Citation Download Citation

Qiurong Yan, Xiuxiu Gu, Du Chen, Hui Wang, Hua Huang, Xuxin Chen, Qingshan Cao, and Hongqing Liu "Vehicle-mounted real-time digital voice communication system based on visible light communication", Proc. SPIE 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015, 97950D (5 November 2015); https://doi.org/10.1117/12.2208826

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