Visible Light Communication-Enabled Simultaneous Position and Orientation Detection for Harnessing Multipath Interference and Random Fading

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

3 Scopus Citations
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Detail(s)

Original languageEnglish
Pages (from-to)1938-1952
Journal / PublicationIEEE Transactions on Intelligent Transportation Systems
Volume25
Issue number2
Online published23 Oct 2023
Publication statusPublished - Feb 2024

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Abstract

We focus on visible light communication-based simultaneous position and orientation detection (SPAO) for user devices (UDs) using photodiodes, which is challenging due to scattering interference and small-scale fading. To address this challenge, a novel SPAO approach is proposed, which can jointly estimate UD location parameters and scattering channel states. As such, the disturbance of diffuse scattering and random fading on SPAO will be alleviated via scattering channel equalization. In addition, SPAO is non-convex in nature, and hence brute-force application of conventional optimization methods will lead to a poor SPAO solution. To address this issue, we devise a majorization minimization (MM)-based SPAO algorithm, where hidden convex structure of the non-convex SPAO problem is exploited, which renders an efficient closed-form iteration rule for joint SPAO and diffuse channel estimation. Due to the cross-layer cooperation between “VLC” and “ranging”, a robust SPAO solution against diffuse scattering and small-scale fading is achieved. It is corroborated by our simulations that the proposed MM-based SPAO algorithm achieves a large performance gain over state-of-the-art baseline methods.

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Research Area(s)

  • channel estimation, diffuse scattering, Fading channels, integrated sensing and communication, Interference, LiFi, Light emitting diodes, OFDM, Scattering, Transmitters, Visible light communication, visible light positioning

Citation Format(s)

Visible Light Communication-Enabled Simultaneous Position and Orientation Detection for Harnessing Multipath Interference and Random Fading. / Zhou, Bingpeng; Liu, An; So, Hing Cheung.
In: IEEE Transactions on Intelligent Transportation Systems, Vol. 25, No. 2, 02.2024, p. 1938-1952.

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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