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ThinkMind // ICWMC 2014, The Tenth International Conference on Wireless and Mobile Communications // View article icwmc_2014_8_10_20157


Enhancing Safety-Critical Message Dissemination in WAVE

Authors:
Daniel Neville
James Brill
Joseph Juzl
Christopher Howell
Victor Sanchez

Keywords: latency reduction; VANET; WAVE; 1609.4; safety messages

Abstract:
The competing priorities of safety critical messages and infotainment messages present a significant challenge when designing effective IEEE 1609.4 protocol enhancements. In this paper, we investigate the latency reduction provided by an additional CCH check back midway through the Service Channel interval. Mathematical analysis and experimentation using simulations have shown that this method results in significant latency reduction. The maximum transmission delay for safety critical messages can be reduced by approximately half whilst only reducing the Service Channel capacity by one quarter. As the work progresses, we will optimise the duration of the check back to find the best compromise between safety and infotainment.

Pages: 160 to 163

Copyright: Copyright (c) IARIA, 2014

Publication date: June 22, 2014

Published in: conference

ISSN: 2308-4219

ISBN: 978-1-61208-347-6

Location: Seville, Spain

Dates: from June 22, 2014 to June 26, 2014

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