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What is OBU (On-Board Unit)

Handbook of Research on Mobility and Computing: Evolving Technologies and Ubiquitous Impacts
Communication device mounted on vehicles. It allows DSRC communications with other OBUs or RSUs.
Published in Chapter:
Overview of Security Issues in Vehicular Ad-hoc Networks
José María De Fuentes (Carlos III University of Madrid, Spain), Ana Isabel González-Tablas (Carlos III University of Madrid, Spain), and Arturo Ribagorda (Carlos III University of Madrid, Spain)
DOI: 10.4018/978-1-60960-042-6.ch056
Vehicular ad-hoc networks (VANETs) are a promising communication scenario. Several new applications are envisioned, which will improve traffic management and safety. Nevertheless, those applications have stringent security requirements, as they affect road traffic safety. Moreover, VANETs face several security threats. As VANETs present some unique features (e.g. high mobility of nodes, geographic extension, etc.) traditional security mechanisms are not always suitable. Because of that, a plethora of research contributions have been presented so far. This chapter aims to describe and analyze the most representative VANET security developments.
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