A Comparison of Routing Strategies for Vehicular Ad Hoc Networks

Füßler, Holger ; Mauve, Martin ; Hartenstein, Hannes ; Käsemann, Michael ; Vollmer, Dieter

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URL: https://ub-madoc.bib.uni-mannheim.de/740
URN: urn:nbn:de:bsz:180-madoc-7404
Document Type: Working paper
Year of publication: 2002
The title of a journal, publication series: Technical Reports
Volume: 02-003
Place of publication: Mannheim
Publication language: English
Institution: School of Business Informatics and Mathematics > Sonstige - Fakultät für Wirtschaftsinformatik und Wirtschaftsmathematik
MADOC publication series: Veröffentlichungen der Fakultät für Mathematik und Informatik > Institut für Informatik > Technical Reports
Subject: 004 Computer science, internet
Subject headings (SWD): Ad-hoc-Netz , Routing
Keywords (English): ad-hoc routing , position
Abstract: On this paper we investigate the use of ad-hoc routing algorithms for the exchange of data between vehicles. There are two main aspects that are of interest in this context: the specific characteristics of ad-hoc networks formed by vehicles and the applicability of existing ad-hoc routing schemes to networks that display these characteristics. In order to address both aspects we generate realistic vehicular movement patterns of highway traffic scenarios using a well validated traffic simulation tool. Based on these patterns we show that the characteristics of vehicular ad-hoc networks are quite different from the frequently used random waypoint model. We then proceed to evaluate the performance of a reactive ad-hoc routing protocol (DSR) and of a position-based approach (greedy forwarding as done in GPSR) in combination with a simple reactive location service. Our analysis suggests that for vehicular networks where communication spans more than 2 or 3 hops position-! based ad-hoc routing has significant advantages over reactive non-position-based approaches both in the number of successfully delivered packets and in routing overhead.
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