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Visible light communication (VLC) can enhance urban crowd sensing with connected vehicles. This study compares sole VLC networks with VLC complementing IEEE 802.11p, revealing optimal scenarios for improved data delivery.

Keywords:
DSRCIEEE 802.11pcomplementary technologiesconnected vehiclescrowd sensing, offloadingheterogeneous networksvehicular networksvisible light communications

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Area of Science:

  • Intelligent Transportation Systems
  • Wireless Communications
  • Urban Computing

Background:

  • Crowd sensing leverages connected vehicles for mapping and predicting events.
  • Visible Light Communication (VLC) offers a low-cost wireless solution for vehicular communication.
  • VLC faces limitations due to line-of-sight requirements but can complement other technologies.

Purpose of the Study:

  • To evaluate the performance of vehicular Visible Light Communication (VLC) for urban crowd sensing.
  • To compare the performance of sole vehicular VLC networks against VLC as a complementary technology to IEEE 802.11p.
  • To identify conditions where VLC significantly improves data delivery in urban environments.

Main Methods:

  • Realistic simulations incorporating roadmap constraints and communication protocols.
  • Performance evaluation of vehicular VLC networks.
  • Comparative analysis of sole VLC versus hybrid VLC/IEEE 802.11p systems.

Main Results:

  • VLC significantly enhances urban crowd sensing when integrated with connected vehicles.
  • The performance improvement of VLC varies based on the number and placement of Road-Side Units (RSUs).
  • The Field of View (FOV) of the receiver is a critical factor influencing VLC's effectiveness.

Conclusions:

  • Visible Light Communication (VLC) shows promise as a complementary technology for enhancing urban crowd sensing with connected vehicles.
  • The integration of VLC with IEEE 802.11p can overcome limitations and improve data delivery in dense urban scenarios.
  • Optimizing RSU deployment and receiver FOV is crucial for maximizing the benefits of VLC in vehicular networks.