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Intelligent Transport System Using Time Delay-Based Multipath Routing Protocol for Vehicular Ad Hoc Networks.
Yashar Ghaemi1, Hosam El-Ocla1, Nitin Ramesh Yadav1
1Department of Computer Science, Lakehead University, Thunder Bay, ON P7B 5E1, Canada.
Sensors (Basel, Switzerland)
|November 27, 2021
Summary
This study introduces a Time delay-based Multipath Routing (TMR) protocol for vehicular ad hoc networks (VANETs). TMR prioritizes alert messages and optimizes routes to minimize delay, enhancing traffic safety and reducing network congestion.
Area of Science:
- Intelligent Transportation Systems (ITS)
- Wireless Communication Networks
- Vehicular Ad Hoc Networks (VANETs)
Background:
- Intelligent Transportation Systems (ITS) research has advanced significantly, focusing on optimizing transport networks.
- Vehicular Ad Hoc Networks (VANETs), extensions of wireless networks, face dynamic topology changes due to high-velocity node mobility.
- Timely message delivery is critical in VANETs to prevent traffic issues and ensure safety.
Purpose of the Study:
- To propose a novel Time delay-based Multipath Routing (TMR) protocol for VANETs.
- To enhance prompt delivery of alert messages and optimize packet delivery with minimal time delay.
- To reduce network congestion and data collisions by managing traffic load.
Main Methods:
- Developed the Time delay-based Multipath Routing (TMR) protocol.
- Implemented a priority system for alert messages over normal messages.
- Selected routes based on short round-trip time (RTT) within a defined threshold.
Main Results:
- The TMR protocol accelerates data transmission rates, especially for critical warning messages.
- It effectively reduces data traffic load for normal messages, mitigating network pressure.
- Simulation results indicate superior performance compared to existing protocols like AOMDV, FF-AOMDV, EGSR, QMR, and ISR.
Conclusions:
- The TMR protocol successfully speeds up data transmission and ensures timely delivery of alert messages, contributing to accident prevention.
- It alleviates network congestion and reduces packet retransmissions by optimizing route selection and traffic load.
- TMR demonstrates excellent performance, offering a significant improvement over conventional routing protocols in VANET environments.
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