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A structure-free aggregation framework for vehicular ad hoc networks

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vts_7032_9821.pdf (625.1Kb)
6 Seiten
Veröffentlichung
2009-11-03
Authors
Schoch, Elmar
Dietzel, Stefan
Bako, Boto Zsolt
Kargl, Frank
Beitrag zu einer Konferenz


Faculties
Fakultät für Ingenieurwissenschaften und Informatik
Conference
6th International Workshop on Intelligent Transportation (WIT 2009), 2009-03-24 - 2009-03-25, Hamburg
Abstract
One of the major difficulties for cooperative, decentralized information dissemination in vehicular networks is the heavily varying node density, which can lead to capacity issues of the wireless channel when many vehicles are driving or standing closely together. At the same time, a number of applications do not require exact information from all participating nodes, but higher-level aggregated information. For example, reports on road conditions or on flow of traffic can be aggregated before further dissemination, since remote drivers just need to know a coarse-grained picture of the situation. In this paper, we propose an information aggregation framework using the example of cooperative traffic congestion detection. The difference of our aggregation framework compared to other approaches is that it completely abandons any predefined structures such as grids and any group establishment. First evaluation results show that our approach works well for average speed dissemination on a highway. PDF der Quelle: http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.521.3659&rep=rep1&type=pdf:
Date created
2009
Original publication
Proceedings of the 6th International Workshop on Intelligent Transportation, Hamburg, Germany, March 2009
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.521.3659&rank=2
Subject headings
[GND]: VANET
[LCSH]: Computer network protocols | Performance
[MeSH]: Information dissemination
[Free subject headings]: Data aggregation | Fuzzy reasoning
[DDC subject group]: DDC 004 / Data processing & computer science
License
Standard (Fassung vom 01.10.2008)
https://oparu.uni-ulm.de/xmlui/license_v2

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DOI & citation

Please use this identifier to cite or link to this item: http://dx.doi.org/10.18725/OPARU-1672

Schoch, Elmar et al. (2009): A structure-free aggregation framework for vehicular ad hoc networks. Open Access Repositorium der Universität Ulm und Technischen Hochschule Ulm. http://dx.doi.org/10.18725/OPARU-1672
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