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Directed information dissemination in vehicular ad-hoc networks

Directed information dissemination in vehicular ad-hoc networks

Hossain, A.K.M. Mahtab, Mekbungwan, Preechai and Kanchanasut, Kanchana (2013) Directed information dissemination in vehicular ad-hoc networks. Wireless Networks, 20 (5). pp. 899-916. ISSN 1022-0038 (Print), 1572-8196 (Online) (doi:https://doi.org/10.1007/s11276-013-0655-0)

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Abstract

In this article, we utilize the idea of multipoint relays (MPRs) found in literature (Jacquet et al. in Proceedings of IEEE INMIC, 2001), to propagate accident information in a restricted way (e.g., only backwards). We devise an algorithm to identify MPRs that are geographically situated behind a particular node using only its neighbor table, and speed information of the neighboring vehicles. With the identification of the backward MPRs, it is possible to restrict the information dissemination to vehicles behind a particular vehicular ad-hoc network (VANET) node only. This might benefit the approaching vehicles so that the driver could take preventive measures in real-time since he/she will have an indication of the severity of road conditions ahead. We assume that there exists an inter vehicular network using optimized link state routing (OLSR) where accident information can be propagated to all nodes using on-going OLSR control packets. We envision our application will run on top of existing routing protocols (e.g., OLSR), thereby resulting in very little integration effort, and retaining OLSR’s reduced network traffic advantage through the use of MPRs. We analyze our back MPR identification algorithm in a detailed manner. We also show that by using our approach the location of the accident alert instigator node could be pinpointed if a subset of the nodes in the same VANET know their geographical positions. We use VANET mobility models generated by SUMO into NS-3 for our simulations, and also perform preliminary experiments to verify the algorithm's effectiveness. Our analysis and experiments show favorable results.

Item Type: Article
Uncontrolled Keywords: Vehicular ad-hoc network (VANET); Multipoint relay (MPR); Traffic information propagation; Optimized link state routing (OLSR); Driver assistance
Faculty / Department / Research Group: Faculty of Architecture, Computing & Humanities
Faculty of Architecture, Computing & Humanities > Department of Computing & Information Systems
Last Modified: 01 Mar 2017 12:49
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
URI: http://gala.gre.ac.uk/id/eprint/16356

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