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Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
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VLC Network Design for High Mobility Users in Urban Tunnels.

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  • 1Institute for Technological Development and Innovation in Communications(IDeTIC), Universidad de Las Palmas de Gran Canaria, 35001 Las Palmas, Spain.

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Summary
This summary is machine-generated.

This study introduces a new Visible Light Communication (VLC) network design for intelligent transportation systems (ITS) to ensure reliable, high-speed vehicle connectivity. The proposed low-latency handover scheme guarantees over 99% connection availability for mobile users.

Keywords:
MAC/PHY simulationhandovervehicular communicationvisible light communications

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Area of Science:

  • Intelligent Transportation Systems (ITS)
  • Wireless Communication Networks
  • Optical Wireless Communication

Background:

  • Vehicular systems require real-time data for safety and security.
  • Visible Light Communication (VLC) offers a low-cost, simple wireless access method for ITS.
  • Existing VLC networks face challenges with limited coverage and high vehicle speeds, causing handover failures.

Purpose of the Study:

  • To design a vehicular VLC network supporting high-mobility users.
  • To address challenges of limited coverage and time-limited links in vehicular VLC.
  • To enhance uplink reliability and enable seamless mobility in vehicular VLC networks.

Main Methods:

  • Modified traditional VLC network topology to improve uplink reliability.
  • Developed and proposed a low-latency handover scheme for vehicular VLC.
  • Validated the network design using system-level simulations in a vehicular tunnel scenario.

Main Results:

  • The proposed method ensures a steady connection, with vehicular nodes available over 99% of the time.
  • Connection stability is maintained regardless of the number of vehicular nodes.
  • Achieved a Frame-Error-Rate (FER) below 10-3, demonstrating high communication reliability.

Conclusions:

  • The designed vehicular VLC network effectively supports high-mobility users.
  • The low-latency handover scheme overcomes limitations of existing VLC handover procedures.
  • The system provides robust and reliable wireless communication for intelligent transportation.