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Hassan, A.N., Kaiwartya, O. 
ORCID: 0000-0001-9669-8244, Abdullah, A.H., Sheet, D.K. and Raw, R.S.,
2018.
Inter Vehicle Distance based connectivity aware routing in vehicular adhoc networks.
Wireless Personal Communications, 98 (1), pp. 33-54.
ISSN 0929-6212
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Abstract
Connectivity in vehicular traffic environment has witnessed significant attention due to the direct impact on the performance of most of the traffic safety applications of intelligent transport system. Various parameters such as density, speed, direction, link quality and inter vehicle distance (IVD) have been utilized for measuring connectivity. IVD has greater impact on connectivity and controls the impact of other parameters. Usage of real time IVD for measuring connectivity has not received sufficient attention in VANETs. This paper proposes IVD based connectivity aware routing (Ivd-CAR) for enhancing connectivity aware data dissemination. IVD calculation is robust and can effectively handle instantaneous GPS failure. Two localization techniques; namely, cooperative localization and Geometry based Localization are developed. Standard deviation of real time IVDs of a forwarding path is derived. Distribution of IVDs of a forwarding path is employed for estimating connectivity. Segment vehicle based next hop vehicle selection is utilized for incorporating network load, link quality and direction into consideration while selecting forwarding path. Simulations are carried out in ns2 to evaluate the performance of Ivd-CAR in realistic traffic environment. Comparative analysis of simulation results attests the superiority of Ivd-CAR to the state-of-the-art techniques: CSR and A-CAR.
| Item Type: | Journal article | ||||||
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| Publication Title: | Wireless Personal Communications | ||||||
| Creators: | Hassan, A.N., Kaiwartya, O., Abdullah, A.H., Sheet, D.K. and Raw, R.S. | ||||||
| Publisher: | Springer | ||||||
| Date: | January 2018 | ||||||
| Volume: | 98 | ||||||
| Number: | 1 | ||||||
| ISSN: | 0929-6212 | ||||||
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| Divisions: | Schools > School of Science and Technology | ||||||
| Record created by: | Linda Sullivan | ||||||
| Date Added: | 14 Aug 2018 14:47 | ||||||
| Last Modified: | 14 Aug 2018 14:47 | ||||||
| URI: | https://irep.ntu.ac.uk/id/eprint/34332 |
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