Vehicular ad-hoc Network


Vehicular ad-hoc Network

A Vehicular Ad-Hoc Network, or VANET, is a form of Mobile ad-hoc network, to provide communications among nearby vehicles and between vehicles and nearby fixed equipment, usually described as roadside equipment.

The main goal of VANET is providing safety and comfort for passengers. To this end a special electronic device will be placed inside each vehicle which will provide Ad-Hoc Network connectivity for the passengers. This network tends to operate without any infra-structure or legacy client and server communication. Each vehicle equipped with VANET device will be a node in the Ad-Hoc network and can receive and relay others messages through the wireless network. Collision warning, road sign alarms and in-place traffic view will give the driver essential tools to decide the best path along the way.

There are also multimedia and internet connectivity facilities for passengers, all provided within the wireless coverage of each car. Automatic payment for parking lots and toll collection are other examples of possibilities inside VANET.

Most of the concerns of interest to MANets are of interest in VANets, but the details differ. Rather than moving at random, vehicles tend to move in an organized fashion. The interactions with roadside equipment can likewise be characterized fairly accurately. And finally, most vehicles are restricted in their range of motion, for example by being constrained to follow a paved highway.

In addition, in the year 2006 the term "MANet" mostly describes an academic area of research, and the term "VANet" perhaps its most promising area of application.

InVANET, or Intelligent Vehicular Ad-Hoc Networking, defines an Intelligent way of using Vehicular Networking. InVANET integrates on multiple ad-hoc networking technologies such as WiFi IEEE 802.11 b/g, WiMAX IEEE 802.16, Bluetooth, IRA, ZigBee for easy, accurate, effective and simple communication between vehicles on dynamic mobility. Effective measures such as media communication between vehicles can be enabled as well methods to track the automotive vehicles is also preferred.

InVANET helps in defining safety measures in vehicles, streaming communication between vehicles, infotainment and telematics.

Vehicular Ad-hoc Networks are expected to implement variety of wireless technologies such as Dedicated Short Range Communications (DSRC) which is a type of WiFi. Other candidate wireless technologies are Cellular, Satellite, and WiMax. Vehicular Ad-hoc Networks can be viewed as component of the Intelligent Transportation Systems (ITS).

See also

* Dedicated Short Range Communications
* Mobile ad-hoc network
* Wireless ad-hoc network
* Intelligent Vehicular AdHoc Network

Vehicular Networks are an envision of the Intelligent Transportation Systems (ITS). Vehicles communicate with each other via Inter-Vehicle Communication (IVC) as well as with roadside base stations via Roadside-to-Vehicle Communication (RVC). The optimal goal is that vehicular networks will contribute to safer and more efficient roads in the future by providing timely information to drivers and concerned authorities.

External links

* [http://www.path.berkeley.edu/vanet/ First ACM workshop on Vehicular Ad Hoc Networks (VANET 2004)]
* [http://www.sigmobile.org/workshops/vanet2005/ Second ACM workshop on Vehicular Ad Hoc Networks (VANET 2005)]
* [http://www.sigmobile.org/workshops/vanet2006/ Third ACM workshop on Vehicular Ad Hoc Networks (VANET 2006)]
* [http://www.sigmobile.org/workshops/vanet2007/ Fourth ACM workshop on Vehicular Ad Hoc Networks (VANET 2007)]
* [http://www.sigmobile.org/workshops/vanet2008/ Fifth ACM workshop on Vehicular Ad Hoc Networks (VANET 2008)]
* [http://www.engin.umd.umich.edu/~VNSRL/ Vehicular Networking Systems Research Laboratory at the University of Michigan-Dearborn]
* [http://www.netresearchlabs.net InVANET testbed]
* [http://de.scientificcommons.org/16232724 Current Trends and Challenges of Vehicular Ad hoc Networks]
* [http://www.vehicularlab.org UCLA Vehicular Testbed]
* [http://ivc.epfl.ch Security of Vehicular Networks @ EPFL]
* [http://www.vanet.info/ VANET Info Portal]
* [http://trans.epfl.ch/ Simulation environment for design, implementation and realistic evaluation of VANET applications]
* [http://www.citeulike.org/group/3965 CiteULike reading group on VANET]

References

*Kosch, Timo ; Adler, Christian ; Eichler, Stephan ; Schroth, Christoph ; Strassberger, Markus : The Scalability Problem of Vehicular Ad Hoc Networks and How to Solve it. In: IEEE Wireless Communications Magazine 13 (2006), Nr. 5, S. 6.- URL http://www.alexandria.unisg.ch/Publikationen/30977
*Schroth, Christoph ; Strassberger, Markus ; Eigner, Robert ; Eichler, Stephan: A Framework for Network Utility Maximization in VANETs. In: Proceedings of the 3rd ACM International Workshop on Vehicular Ad Hoc Networks (VANET) : ACM SIGMOBILE, 2006.- 3rd ACM International Workshop on Vehicular Ad Hoc Networks (VANET).- Los Angeles, USA, p. 2
*Eichler, Stephan ; Schroth, Christoph ; Eberspächer, Jörg: Car-to-Car Communication. In: Proceedings of the VDE-Kongress - Innovations for Europe : VDE Verlag, 2006.- VDE-Kongress - Innovations for Europe.- Aachen, p. 6.- URL http://www.alexandria.unisg.ch/Publikationen/30950
*Schroth, Christoph ; Dötzer, Florian ; Kosch, Timo ; Ostermaier, Benedikt ; Strassberger, Markus : Simulating the traffic effects of vehicle-to-vehicle messaging systems. In: Proceedings of the 5th International Conference on ITS Telecommunications, 2005.- The 5th International Conference on ITS Telecommunications.- Brest, France, p. 4
*Eichler, Stephan ; Ostermaier, Benedikt ; Schroth, Christoph ; Kosch, Timo: Simulation of Car-to-Car Messaging: Analyzing the Impact on Road Traffic. In: Proceedings of the 13th Annual Meeting of the IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS) : IEEE Computer Society, 2005.- 13th Annual Meeting of the IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS).- Atlanta, USA, p. 4.- URL http://www.alexandria.unisg.ch/Publikationen/30961


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  • Intelligent Vehicular ad-hoc Network — Intelligent vehicular ad hoc networks (InVANETs) use WiFi IEEE 802.11 and WiMAX IEEE 802.16 for easy and effective communication between vehicles with dynamic mobility. Effective measures such as media communication between vehicles can be… …   Wikipedia

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