A novel mobile multi-user LiFi system

Nguyen, Trang and Yesilkaya, Anil and Chen, Cheng and Haas, Harald; (2022) A novel mobile multi-user LiFi system. In: ICC 2022 - IEEE International Conference on Communications. IEEE International Conference on Communications . IEEE, Piscataway, NJ, pp. 589-594. ISBN 9781538683477 (https://doi.org/10.1109/ICC45855.2022.9838651)

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Abstract

In this paper, a vehicular light-fidelity (LiFi) system, which supports mobility for seamless broadband data transmission is proposed for multipoint-to-point (M2P) communication. To this end, a novel digital mirror device (DMD) based receiver (RX) is investigated that consists of two functionalities, to sense the transmitters and sense mobility. Relying on the proposed hybrid waveform, the proposed RX has the ability to detect and distinguish multiple transmitter (TX) sources under free movement conditions within three-dimensional space. Computer simulation results for the ‘TX sensing platform’ show that a high TX detection and identification performance is achieved at an extremely low channel signal-to-noise-ratio (SNR) of −11 dB and a bit error ratio (BER) of 10−4. Furthermore. the simulation results for the ‘mobility sensing platform’ was able to trace the positions of light sources simultaneously with the error rate of below 2% relative to the diameter of light spots on the DMD for all considered mobility scenarios.

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