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An enhanced connectivity aware routing protocol for vehicular ad hoc networks

Vehicular Ad Hoc Network (VANET) is a self organized and self maintained communication network that is spontaneously and wirelessly formed by moving vehicles to provide safety, entertainment and information to its users. To tap these benefits, efficient and reliable routing protocols are needed. Des...

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Main Author: Maidorawa, Ahmadu
Format: Thesis
Language:English
Published: 2013
Subjects:
TK5101-6720 Telecommunication
Online Access:http://eprints.utm.my/id/eprint/37853/5/AhmaduMaidorawaMFSKSM2013.pdf
http://eprints.utm.my/id/eprint/37853/
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spelling my.utm.378532017-07-06T01:44:45Z http://eprints.utm.my/id/eprint/37853/ An enhanced connectivity aware routing protocol for vehicular ad hoc networks Maidorawa, Ahmadu TK5101-6720 Telecommunication Vehicular Ad Hoc Network (VANET) is a self organized and self maintained communication network that is spontaneously and wirelessly formed by moving vehicles to provide safety, entertainment and information to its users. To tap these benefits, efficient and reliable routing protocols are needed. Designing routing protocol in VANET is challenging as the result of high vehicles’ mobility that result in frequent network disconnections. This is why existing routing protocols include route error handling to cater for the disconnection problem. Most of these solutions are variations of keep and carry strategy with or without a feedback mechanism to the source node. These strategies are sometime unnecessarily prolong the packet delivery and worst even if they failed, a new path discovery process is re-launched and that create more control overhead that waste the useful bandwidth. Even with Preferred Group Broadcast re-initiating route request creates additional control overhead. In this research, an Enhanced Connectivity aware routing (ECAR) protocol is proposed. The protocol utilizes an alternative backup route anytime the primary route to destination fails. It also uses control broadcast to further reduce the number of broadcasts needed to find routes to destination by allowing only the furthest node that receives a route request packet to rebroadcast it further in the network. NS2 simulation experimental results show that the performance of ECAR protocol outperformed the original connectivity aware routing (CAR) protocol by reducing the average packet delay by 28%, control overheads by 27% and increased the packet delivery ratio by 22%. 2013-07 Thesis NonPeerReviewed application/pdf en http://eprints.utm.my/id/eprint/37853/5/AhmaduMaidorawaMFSKSM2013.pdf Maidorawa, Ahmadu (2013) An enhanced connectivity aware routing protocol for vehicular ad hoc networks. Masters thesis, Universiti Teknologi Malaysia, Faculty of Computing.
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic TK5101-6720 Telecommunication
spellingShingle TK5101-6720 Telecommunication
Maidorawa, Ahmadu
An enhanced connectivity aware routing protocol for vehicular ad hoc networks
description Vehicular Ad Hoc Network (VANET) is a self organized and self maintained communication network that is spontaneously and wirelessly formed by moving vehicles to provide safety, entertainment and information to its users. To tap these benefits, efficient and reliable routing protocols are needed. Designing routing protocol in VANET is challenging as the result of high vehicles’ mobility that result in frequent network disconnections. This is why existing routing protocols include route error handling to cater for the disconnection problem. Most of these solutions are variations of keep and carry strategy with or without a feedback mechanism to the source node. These strategies are sometime unnecessarily prolong the packet delivery and worst even if they failed, a new path discovery process is re-launched and that create more control overhead that waste the useful bandwidth. Even with Preferred Group Broadcast re-initiating route request creates additional control overhead. In this research, an Enhanced Connectivity aware routing (ECAR) protocol is proposed. The protocol utilizes an alternative backup route anytime the primary route to destination fails. It also uses control broadcast to further reduce the number of broadcasts needed to find routes to destination by allowing only the furthest node that receives a route request packet to rebroadcast it further in the network. NS2 simulation experimental results show that the performance of ECAR protocol outperformed the original connectivity aware routing (CAR) protocol by reducing the average packet delay by 28%, control overheads by 27% and increased the packet delivery ratio by 22%.
format Thesis
author Maidorawa, Ahmadu
author_facet Maidorawa, Ahmadu
author_sort Maidorawa, Ahmadu
title An enhanced connectivity aware routing protocol for vehicular ad hoc networks
title_short An enhanced connectivity aware routing protocol for vehicular ad hoc networks
title_full An enhanced connectivity aware routing protocol for vehicular ad hoc networks
title_fullStr An enhanced connectivity aware routing protocol for vehicular ad hoc networks
title_full_unstemmed An enhanced connectivity aware routing protocol for vehicular ad hoc networks
title_sort enhanced connectivity aware routing protocol for vehicular ad hoc networks
publishDate 2013
url http://eprints.utm.my/id/eprint/37853/5/AhmaduMaidorawaMFSKSM2013.pdf
http://eprints.utm.my/id/eprint/37853/
_version_ 1643650174047748096
score 13.211869

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