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Updated: May 28, 2025

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Enhancing Heterogeneous Communication for Foggy Highways Using Vehicular Platoons and SDN.

Hafiza Zunera Abdul Sattar1, Huma Ghafoor1, Insoo Koo2

  • 1School of Electrical Engineering and Computer Science (SEECS), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan.

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Summary
This summary is machine-generated.

This study introduces a new communication protocol for software-defined vehicular networks to ensure safe routing in fog. It utilizes vehicle platoons to achieve high message delivery and low delay during adverse weather conditions.

Keywords:
local controllers (LCs)main controller (MC)platoonssoftware-defined vehicular network (SDVN)vehicle-to-infrastructure (V2I)vehicle-to-vehicle (V2V)

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Area of Science:

  • Vehicular Networks
  • Network Protocols
  • Road Safety

Background:

  • Establishing safe and stable routing paths is crucial for vehicles, especially in adverse weather like fog.
  • Current vehicular network solutions lack specific optimizations for foggy conditions, posing risks during emergencies.
  • Vehicles often form platoons in adverse weather, maintaining safety distances and following each other.

Purpose of the Study:

  • To address the challenge of maintaining optimal routing paths in foggy road conditions.
  • To propose an integrated solution using software-defined networking and platooning for vehicular networks.
  • To enhance safety and communication reliability for vehicles navigating through fog.

Main Methods:

  • Proposed a heterogeneous communication protocol within a software-defined vehicular network architecture.
  • Integrated vehicle platooning as a mechanism for establishing optimal routing paths.
  • Simulated and tested the protocol under various connectivity scenarios (high connectivity and sparsity).

Main Results:

  • Achieved a maximum message delivery ratio of 99% in simulated foggy highway environments.
  • Demonstrated a low communication delay of 2 ms.
  • Reported an overhead of 55% with an acceptable number of hops compared to existing schemes.

Conclusions:

  • The proposed protocol effectively establishes optimal routing paths in software-defined vehicular networks for foggy conditions.
  • Vehicle platooning is a viable strategy to enhance communication reliability and safety in adverse weather.
  • The solution offers significant improvements over reference schemes in terms of delivery ratio and delay.