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Traffic Density-Based Broadcast Scheme for Vehicular Ad Hoc Networks

Dong-Won KUM, Ajmal KHAN, You-Ze CHO

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Summary :

This paper proposes an efficient broadcast scheme based on traffic density measurement to mitigate broadcast storms in Vehicular Ad Hoc Networks (VANETs). In a VANET, the number of vehicles that rebroadcasts a message is closely related with the collision ratio of the message, so a well-designed broadcast scheme should consider traffic density when rebroadcasting a message. The proposed scheme introduces a traffic density measurement scheme and broadcast scheme for VANET. It is based on the slotted p-persistence scheme, but the rebroadcast procedure is enhanced and the rebroadcast probability p is controlled dynamically according to the estimated traffic density. Simulation results demonstrate that the proposed scheme outperforms existing schemes in terms of the end-to-end delay and collision ratio.

Publication
IEICE TRANSACTIONS on Communications Vol.E95-B No.12 pp.3875-3878
Publication Date
2012/12/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E95.B.3875
Type of Manuscript
LETTER
Category
Network

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