A Simulation Study of a Location Service for Position-Based Routing in Mobile Ad Hoc Networks

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

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URL: https://ub-madoc.bib.uni-mannheim.de/743
URN: urn:nbn:de:bsz:180-madoc-7436
Document Type: Working paper
Year of publication: 2002
The title of a journal, publication series: Technical Reports
Volume: 02-007
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
Abstract: Position-based routing in a mobile ad hoc network requires geographic addresses. Thus, a node that wants to send a packet to some target node has to know the target's (approximate) current position. In order to provide each node's position to the other network nodes, a distributed location service has to be used. J. Li et al. recently put forward a promising approach called the Grid Location Service' (GLS). In this paper we provide some analyses and evaluations of GLS by means of simulation with ns-2 beyond the results of the original paper. We present quantitative results with respect to location query failure rate and bandwidth consumption. We analyze in detail why queries failed and how the query failure rate can be decreased for scenarios with a low density of nodes.
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