A novel 3D non-stationary channel model for 6G indoor visible light communication systems

Zhu, Xiuming and Wang, Cheng-Xiang and Huang, Jie and Chen, Ming and Haas, Harald (2022) A novel 3D non-stationary channel model for 6G indoor visible light communication systems. IEEE Transactions on Wireless Communications, 21 (10). pp. 8292-8307. ISSN 1536-1276 (https://doi.org/10.1109/TWC.2022.3165569)

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Abstract

The visible light communication (VLC) technology has attracted much attention in the research of the sixth generation (6G) communication systems. In this paper, a novel three dimensional (3D) space-time-frequency non-stationary geometry-based stochastic model (GBSM) is proposed for indoor VLC channels. The proposed VLC GBSM can capture unique indoor VLC channel characteristics such as the space-time-frequency non-stationarity caused by large light-emitting diode (LED) arrays in indoor scenarios, long travelling paths, and large bandwidths of visible light waves, respectively. In addition, the proposed model can support special radiation patterns of LEDs, 3D translational and rotational motions of the optical receiver (Rx), and can be applied to angle diversity receivers (ADRs). Key channel properties are simulated and analyzed, including the space-time-frequency correlation function (STFCF), received power, root mean square (RMS) delay spread, and path loss (PL). Simulation results verify the space-time-frequency non-stationarity in indoor VLC channels. In addition, the influence of light source radiation patterns, receiver rotations, and ADRs on channel characteristics have been investigated. Finally, the accuracy and practicality of the proposed model are validated by comparing the simulation result of channel 3dB bandwidth with the existing measurement data. The proposed channel model will play a supporting role in the design of future 6G VLC systems.

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  Item type:	Article
  ID code:	80997
  Dates:	Date Event 1 October 2022 Published 20 April 2022 Published Online 6 April 2022 Accepted
  Notes:	© 2022 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
  Subjects:	Science > Mathematics > Electronic computers. Computer science Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering
  Depositing user:	Pure Administrator
  Date deposited:	09 Jun 2022 13:12
  Last modified:	09 Apr 2024 03:17
  Related URLs:	Related item
  URI:	https://strathprints.strath.ac.uk/id/eprint/80997