NDLI: Analytical Evaluation of Directional-Location Aided Routing Protocol for VANETs

Content Provider	Springer Nature Link
Author	Raw, Ram Shringar Lobiyal, D. K. Das, Sanjoy Kumar, Sushil
Copyright Year	2015
Abstract	Vehicular Ad-hoc Networks (VANETs) are now considered as a way to realize active safety, by providing the position information of each other or the possible danger warning by wireless vehicular communications. Multi-hop data delivery in VANETs is a challenging task, since it encounters rapid changes in network topology and frequent fragmentation in the network. Because of these characteristics, routing algorithms based on greedy forwarding are known to be very suitable for VANETs. The design and implementation of efficient and scalable routing protocols for VANETs is a challenging task due to high dynamics and mobility constraints. In this paper, we have worked on a routing protocol over VANETs to efficiently broadcast the information for the sake of active safety applications, such as the positions and the directions of the vehicles. Therefore, we have explained a position-based routing protocol called directional-location aided routing (D-LAR) with (1) location-aided routing utilizes location information using GPS to limit the area for discovering a new route to a smaller request zone and (2) directional routing having direction closest to the line drawn between source and destination. D-LAR protocol is a greedy based approach to forward packet to the node present in request zone part of sender’s transmission range as a most suitable next-hop node. Further, we have justified the feasibility of D-LAR routing protocol for VANETs. Through analytical analysis we have also given the relationship among the average number of hop counts, link lifetime, and path throughput metrics for the protocol. Finally, simulation results show that the proposed formulation can be used to evaluate path throughput accurately in the network.
Starting Page	1877
Ending Page	1891
Page Count	15
File Format	PDF
ISSN	09296212
Journal	Wireless Personal Communications
Volume Number	82
Issue Number	3
e-ISSN	1572834X
Language	English
Publisher	Springer US
Publisher Date	2015-02-07
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	VANET DIR LAR D-LAR Average number of hop counts Link lifetime Path throughput Communications Engineering, Networks Signal, Image and Speech Processing Computer Communication Networks
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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