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Sensors 2014, 14(12), 22342-22371; doi:10.3390/s141222342

Performance Improvement in Geographic Routing for Vehicular Ad Hoc Networks

Wireless Communications and Networking Research Lab, School of Computer and Systems Sciences, Jawaharlal Nehru University, New Delhi 110067, India
Faculty of Computing, Universiti Teknologi Malausia (UTM), Skudai Johor 81310, Malaysia
Author to whom correspondence should be addressed.
Received: 24 September 2014 / Revised: 19 November 2014 / Accepted: 20 November 2014 / Published: 25 November 2014
(This article belongs to the Special Issue Positioning and Tracking Sensors and Technologies in Road Transport)
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Geographic routing is one of the most investigated themes by researchers for reliable and efficient dissemination of information in Vehicular Ad Hoc Networks (VANETs). Recently, different Geographic Distance Routing (GEDIR) protocols have been suggested in the literature. These protocols focus on reducing the forwarding region towards destination to select the Next Hop Vehicles (NHV). Most of these protocols suffer from the problem of elevated one-hop link disconnection, high end-to-end delay and low throughput even at normal vehicle speed in high vehicle density environment. This paper proposes a Geographic Distance Routing protocol based on Segment vehicle, Link quality and Degree of connectivity (SLD-GEDIR). The protocol selects a reliable NHV using the criteria segment vehicles, one-hop link quality and degree of connectivity. The proposed protocol has been simulated in NS-2 and its performance has been compared with the state-of-the-art protocols: P-GEDIR, J-GEDIR and V-GEDIR. The empirical results clearly reveal that SLD-GEDIR has lower link disconnection and end-to-end delay, and higher throughput as compared to the state-of-the-art protocols. It should be noted that the performance of the proposed protocol is preserved irrespective of vehicle density and speed. View Full-Text
Keywords: geographic distance routing; vehicular ad hoc networks; traffic environment; segment vehicle; link quality; degree of connectivity geographic distance routing; vehicular ad hoc networks; traffic environment; segment vehicle; link quality; degree of connectivity

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Kaiwartya, O.; Kumar, S.; Lobiyal, D.K.; Abdullah, A.H.; Hassan, A.N. Performance Improvement in Geographic Routing for Vehicular Ad Hoc Networks. Sensors 2014, 14, 22342-22371.

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