Improved Packet Forwarding Approach in Vehicular Ad Hoc Networks Using RDGR Algorithm

TL;DR

This paper proposes the RDGR algorithm, a position-based routing method for VANETs that predicts link breakages using vehicle movement data to improve data forwarding reliability.

Contribution

Introduction of the RDGR algorithm that utilizes vehicle movement information to enhance link stability and routing reliability in VANETs.

Findings

Improved packet delivery ratio in VANET simulations.

Reduced routing overhead compared to traditional methods.

Enhanced link stability prediction accuracy.

Abstract

VANETs (Vehicular Ad hoc Networks) are highly mobile wireless ad hoc networks and will play an important role in public safety communications and commercial applications. Routing of data in VANETs is a challenging task due to rapidly changing topology and high speed mobility of vehicles. Position based routing protocols are becoming popular due to advancement and availability of GPS devices. One of the critical issues of VANETs are frequent path disruptions caused by high speed mobility of vehicle that leads to broken links which results in low throughput and high overhead . This paper argues the use of information on vehicles' movement information (e.g., position, direction, speed of vehicles) to predict a possible link-breakage event prior to its occurrence. So in this paper we propose a Reliable Directional Greedy routing (RDGR), a reliable position based routing approach which obtains position, speed and direction of its neighboring nodes from GPS. This approach incorporates potential score based strategy, which calculates link stability between neighbor nodes in distributed fashion for reliable forwarding of data packet.