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20613 Oldest Packet Drop (OPD): a Buffering Mechanism for Beaconing in IEEE 802.11p VANETs
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van Eenennaam, E.M. and Hendriks, L. and Karagiannis, G. and Heijenk, G.J. (2011) Oldest Packet Drop (OPD): a Buffering Mechanism for Beaconing in IEEE 802.11p VANETs. In: Third IEEE Vehicular Networking Conference, VNC 2011, 14-16 Nov 2011, Amsterdam, The Netherlands. pp. 252-259. IEEE Communications Society. ISSN 2157-9857 ISBN 978-1-4673-0049-0

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The IEEE 802.11p MAC technology can be used to provide connectivity for real-time vehicle control known as Cooperative Adaptive Cruise Control. Due to the real-time
nature of this system, it is paramount the delay of the received information is as small as possible.

This paper researches the Oldest Packet Drop buffering mechanism to increase freshness of beacons compared to the standard EDCA transmission queues, which have a tail-drop policy. We find that using the Oldest Packet Drop buffering mechanism instead of the standard tail-drop can significantly improve the freshness of the received beacons by reducing the queueing delay experienced by the beacons under near-saturation conditions.

Item Type:Conference or Workshop Paper (Full Paper, Poster)
Research Group:EWI-DACS: Design and Analysis of Communication Systems
Research Program:CTIT-WiSe: Wireless and Sensor Systems
Research Project:Connect and Drive: Cooperative Adaptive Cruise control based on WiFi communication between vehicles and infrastructure
Uncontrolled Keywords:vanet, simulation, 802.11p, v2v, cooperative, adaptive, cruise, control, delay, queueing, scheduling, queue, size, buffer
ID Code:20613
Deposited On:13 January 2012
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