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LiFi-based Integrated Sensing and Communication: From Single to Multi-modal and Cross-modal Integration
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  • Shimaa Naser ,
  • Omar Alhussein,
  • Sami Muhaidat ,
  • Merouane Debbah
Shimaa Naser

Corresponding Author:[email protected]

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Omar Alhussein
Sami Muhaidat
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Merouane Debbah

Abstract

Integrated Sensing and Communication (ISAC) is poised to significantly influence sixth-generation (6G) networks by enhancing their ability to intelligently sense and decide. Existing IASC research efforts focuses on radio-frequency (RF) signals, leading to increased strain on the already congested spectrum due to the shared hardware and frequency bands. Given the surge of connected devices and envisaged diverse sensing scenarios, exploring alternate frequency bands becomes crucial. Light Fidelity (LiFi), which utilizes existing lighting infrastructure, stands out as a promising technology due to its highly accurate 3D sensing capabilities. In this paper, we introduce a framework for LiFi-empowered wireless networks, amalgamating illumination, communication, and sensing. We conduct a thorough review of literature on LiFi-based ISAC principles and highlight technologies poised to enhance its performance. We also explore the prospects of multi-modal ISAC by fusing LiFi with other sensory data sources. The paper concludes by outlining prospective research avenues and challenges for efficient LiFi-based ISAC.
05 Jan 2024Submitted to TechRxiv
10 Jan 2024Published in TechRxiv