Journal of Communication Engineering

Journal of Communication Engineering

A Robust Geographical Routing Approach in VANET Using Mobility Metrics

Document Type : Research Paper

Author
Omid Abedi
Department of Computer Engineering, Shahid Bahonar University of Kerman, Kerman, Iran.
10.22070/jce.2024.17781.1245
Abstract
A robust geographical routing approach in Vehicular Ad Hoc Networks (VANET) is proposed which utilizes mobility metrics, specifically addressing the impact of node acceleration and speed on routing stability and delivery rate. The proposed method is an enhanced version of reactive routing in vehicular ad hoc networks which considers the direction, speed, and position of vehicles in next-hop selection, aiming to improve route stability in high-mobility scenarios. Comparative analysis with traditional geographical routings such as improved AODV and GPSR reveals that the proposed method exhibits fewer broken links and increased Packet Delivery Ratio (PDR). The study further explores the influence of varying node density and speed on route stability and PDR. Results indicate that the proposed approach outperforms AODV in stability and delivery rate, particularly in scenarios with higher node mobility. This research contributes valuable insights into improving VANET routing protocols, emphasizing the importance of incorporating mobility parameters for enhanced performance in dynamic environments.
Keywords
VANET
Mobility model
AODV
Geographical Routing
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