Investigation of rotating cubic receiver for mobile users in visible light communication systems

Yingchen Song; Chao Wang; Xiaoxiao Du; Ziwei Ye; Luyao Zhang; Yijun Zhu

doi:10.1117/12.2656773

20 October 2022 Investigation of rotating cubic receiver for mobile users in visible light communication systems

Yingchen Song, Chao Wang, Xiaoxiao Du, Ziwei Ye, Luyao Zhang, Yijun Zhu

Proceedings Volume 12451, 5th International Conference on Computer Information Science and Application Technology (CISAT 2022); 1245119 (2022) https://doi.org/10.1117/12.2656773
Event: 5th International Conference on Computer Information Science and Application Technology (CISAT 2022), 2022, Chongqing, China

Abstract

Visible light communication (VLC) has become a research hotpot in the Industrial Internet of Things (IIoT). In VLCIIoT systems, the overlapping areas between adjacent transmitters cause severe signal interference. The random movement of mobile terminals in these areas seriously affect the robustness of system communication. In this paper, a cubic receiver with optimal rotation angle that adapts to user’s movement is proposed to solve the problem. Firstly, there are adaptive channel estimation and signal recovery method for rotating cubic receiver to achieve signal receiving and combining in both non-overlapping and overlapping areas. Secondly, we maximize the channel capacity to optimize the rotation angle for further improving communication performance and channel gain. Results show that rotating cubic receiver can better support user mobility in all directions and system performance is enhanced by optimizing rotation angles. Especially, the bit-error-rate (BER) performance gains more in non-overlapping areas than overlapping areas under optimal rotation angles.

Citation Download Citation

Yingchen Song, Chao Wang, Xiaoxiao Du, Ziwei Ye, Luyao Zhang, and Yijun Zhu "Investigation of rotating cubic receiver for mobile users in visible light communication systems", Proc. SPIE 12451, 5th International Conference on Computer Information Science and Application Technology (CISAT 2022), 1245119 (20 October 2022); https://doi.org/10.1117/12.2656773

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KEYWORDS

Receivers

Telecommunications

Transmitters

Light emitting diodes

Visible radiation

Mobile communications

Data transmission

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