Distributed rate control algorithm for VANETs (DRCV)

Authors:
Michele Drigo;Wenhui Zhang;Roberto Baldessari;Long Le;Andreas Festag;Michele Zorzi
Affiliations:
University of Padova, Padova, Italy;NEC Europe Ltd., Heidelberg, Germany;NEC Europe Ltd., Heidelberg, Germany;NEC Europe Ltd., Heidelberg, Germany;NEC Europe Ltd., NEC Europe Ltd., Germany;University of Padova, Padova, Italy
Venue:
Proceedings of the sixth ACM international workshop on VehiculAr InterNETworking
Year:
2009

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Abstract

This paper presents Distributed Rate Control for VANETs (DRCV), a distributed light-weight congestion control algorithm tailored for safety messages. DRCV monitors and estimates channel load and controls the packet rate of outgoing periodic packets. A new approach called Fast Drop is adopted to promptly drop the rate of periodic packets when event-driven safety packets are detected. Simulations show the effectiveness of DRCV in increasing packet reception probabilities and achieving efficient channel usage.