Network connectivity of VANETs in urban areas

Authors:
Wantanee Viriyasitavat;Ozan K. Tonguz;Fan Bai
Affiliations:
Dep. of Electrical and Computer Engineering, Carnegie Mellon University, Pittsburgh, PA;Dep. of Electrical and Computer Engineering, Carnegie Mellon University, Pittsburgh, PA;General Motors Corporation, ECI Lab, Warren, MI
Venue:
SECON'09 Proceedings of the 6th Annual IEEE communications society conference on Sensor, Mesh and Ad Hoc Communications and Networks
Year:
2009

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Abstract

Modeling complicated vehicular traffic behavior and the associated network connectivity in urban areas has been a challenging task for the past several years. In this paper, we study how intersections and two-dimensional road topology affect the connectivity behavior of traffic in urban areas. To better understand this phenomenon, we investigate both static and dynamic aspects of network connectivity in urban areas and analyze several characteristics such as network connectivity, path redundancy, re-healing time, etc. Based on a comprehensive study, we make several key observations and provide insights into the behavior of network connectivity whereby critical routing problems are identified and suggestions are made for the key components of an appropriate routing protocol for different vehicular ad hoc network (VANET) applications in urban areas.