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http://dx.doi.org/10.7465/jkdi.2013.24.6.1297

An LV-CAST algorithm for emergency message dissemination in vehicular networks  

Bae, Ihn-Han (School of Information Technology, Catholic University of Daegu)
Publication Information
Journal of the Korean Data and Information Science Society / v.24, no.6, 2013 , pp. 1297-1307 More about this Journal
Abstract
Several multi-hop applications developed for vehicular ad hoc networks use broadcast as a means to either discover nearby neighbors or disseminate useful traffic information to othet vehicles located within a certain geographical area. However, the conventional broadcast mechanism may lead to the so-called broadcast storm problem, a scenario in which there is a high level of contention and collision at the link layer due to an excessive number of broadcast packets. To solve broadcast storm problem, we propose an RPB-MACn-based LV-CAST that is a vehicular broadcast algorithm for disseminating safety-related emergency message. The proposed LV-CAST identifies the last node within transmission range by computing the distance extending on 1 hop from the sending node of an emergency message to the next node of receiving node of the emergency message, and the last node only re-broadcasts the emergency message. The performance of LV-CAST is evaluated through simulation and compared with other message dissemination algorithms.
Keywords
Broadcast; dedicated short range communication; emergency message; safety application; vehicular ad hoc network;
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Times Cited By KSCI : 1  (Citation Analysis)
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