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A comparative study on routing protocols for VANETs.
Suman Malik1, Prasant Kumar Sahu1
1School of Electrical Sciences, Indian Institute of Technology Bhubaneswar, Bhubaneswa, Odisha, 752050, India.
Heliyon
|September 12, 2019
Summary
This study evaluates Ad hoc On-Demand Distance Vector (AODV) and Dynamic Source Routing (DSR) protocols for Vehicular Ad Hoc Networks (VANETs). Results show that efficient routing protocols and channel models significantly improve VANET performance, impacting packet loss and delay.
Area of Science:
- Intelligent Transportation Systems
- Wireless Communication Networks
- Computer Networking
Background:
- Vehicular Ad Hoc Networks (VANETs) are crucial for intelligent transportation systems, enabling vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communication.
- Key enabling technologies include IEEE 1609 WAVE and IEEE 802.11p wireless access standards.
- Designing efficient and reliable routing protocols is a major challenge for VANETs, especially in complex urban environments.
Purpose of the Study:
- To evaluate and compare the performance of two prominent routing protocols, Ad hoc On-Demand Distance Vector (AODV) and Dynamic Source Routing (DSR), for VANETs.
- To identify the optimal routing protocol for reliable and efficient data packet dissemination in VANET applications.
- To assess the impact of network size and routing protocol choice on key performance metrics.
Main Methods:
- Performance evaluation of AODV and DSR routing protocols using the NetSim software tool.
- Simulation of VANET scenarios to analyze various performance indicators.
- Comparative analysis of routing protocol effectiveness under different network conditions.
Main Results:
- The study demonstrates that an effective routing protocol, combined with an appropriate channel model, enhances the link throughput of VANETs for a fixed network size.
- Performance evaluation revealed the significant impact of network size and the choice of routing protocol on packet loss, packet delivery ratio, average end-to-end delay, and overhead transmission.
- Both AODV and DSR showed varying performance characteristics depending on the simulated network parameters.
Conclusions:
- The selection of an appropriate routing protocol is critical for optimizing the performance of VANETs.
- Network size and channel conditions interact with routing protocol efficiency, influencing overall network reliability and data delivery.
- Further research into hybrid routing strategies may offer enhanced solutions for complex VANET environments.
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