Ad hoc relay wireless networks over moving vehicles on highways
MobiHoc '01 Proceedings of the 2nd ACM international symposium on Mobile ad hoc networking & computing
Wireless Adhoc Networks for Inter-Vehicle Communication
Zukunft der Netze - Die Verlezbarkeit meistern, 16. DFN-Arbeitstagung über Kommunikationsnetze
An Evaluation of Connectivity in Mobile Wireless Ad Hoc Networks
DSN '02 Proceedings of the 2002 International Conference on Dependable Systems and Networks
Still Flowing: Approaches to Traffic Flow and Traffic Jam Modeling
Operations Research
Transmission power control in wireless ad hoc networks: challenges, solutions and open issues
IEEE Network: The Magazine of Global Internetworking
High-fidelity application-centric evaluation framework for vehicular networks
Proceedings of the fourth ACM international workshop on Vehicular ad hoc networks
Analysis of multi-hop emergency message propagation in vehicular ad hoc networks
Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing
Analysis and design of effective and low-overhead transmission power control for VANETs
Proceedings of the fifth ACM international workshop on VehiculAr Inter-NETworking
Reliable inter-vehicle communications for vehicular ad hoc networks
Proceedings of the 4th Annual International Conference on Wireless Internet
Spatio-temporal variations of vehicle traffic in VANETs: facts and implications
Proceedings of the sixth ACM international workshop on VehiculAr InterNETworking
On deriving and incorporating multihop path duration estimates in VANET protocols
ACM Transactions on Modeling and Computer Simulation (TOMACS)
A survey of cross-layer design for VANETs
Ad Hoc Networks
Connectivity Analysis of Vehicular Ad Hoc Networks from a Physical Layer Perspective
Wireless Personal Communications: An International Journal
Application of Cognitive Techniques to Adaptive Routing for VANETs in City Environments
Mobile Networks and Applications
Beaconing Approaches in Vehicular Ad Hoc Networks: A Survey
Wireless Personal Communications: An International Journal
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Vehicular Ad Hoc Networks (VANET) have several characteristics that distinguish them from other ad hoc networks. Among those is the rapid change in topology due to traffic jams, which also disturbs the homogenous distribution of vehicles on the road. For this reason, a dynamic transmission range is more effective in maintaining connectivity while minimizing the adverse effects of a high transmission power.We provide a relationship that allows vehicles to estimate the local density and distinguish between two phases of traffic, free-flow and congested traffic. The density estimate is used to develop an algorithm that sets a vehicle transmission range dynamically according to local traffic conditions.Simulations of various road configurations show that the algorithm is successful in maintaining connectivity in highly dynamic networks.