Enhanced Multi-Level Multi-Pulse Modulation for MIMO Visible Light Communication

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Abstract

Any realistic indoor multiple-input multiple-output (MIMO) visible light communication (VLC) system, besides providing reliable high rate transmission, should also support flicker-free, dimming capable, and uniform illumination. In this article, we propose a multi-level multi-pulse modulation for a MIMO VLC system to provide a high data rate with flicker-free uniform illumination. A low complexity detector and a searching algorithm to design the symbol set for transmission are also discussed. Simulation results demonstrate that the proposed detector can achieve a remarkable reduction in computational complexity without any performance degradation as compared with the conventional maximum likelihood detector. Moreover, the proposed symbols design algorithm can help to reduce the symbol error rate (SER), especially in high correlation MIMO VLC channels.

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APA

Le-Tran, M., & Kim, S. (2020). Enhanced Multi-Level Multi-Pulse Modulation for MIMO Visible Light Communication. IEEE Access, 8, 210116–210126. https://doi.org/10.1109/ACCESS.2020.3039208

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