Vehicle-to-vehicle real-time relative positioning using 5.9 GHz DSRC media

Ansari, Keyvan, Wang, Charles, Wang, Lei, & Feng, Yanming (2013) Vehicle-to-vehicle real-time relative positioning using 5.9 GHz DSRC media. In Proceedings of IEEE 78th Vehicular Technology Conference : VTC2013-Fall, IEEE, The Encore at Wynn Las Vegas, Las Vegas, NEV, pp. 1-7.

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Abstract

Vehicular accidents are one of the deadliest safety hazards and accordingly an immense concern of individuals and governments. Although, a wide range of active autonomous safety systems, such as advanced driving assistance and lane keeping support, are introduced to facilitate safer driving experience, these stand-alone systems have limited capabilities in providing safety. Therefore, cooperative vehicular systems were proposed to fulfill more safety requirements. Most cooperative vehicle-to-vehicle safety applications require relative positioning accuracy of decimeter level with an update rate of at least 10 Hz. These requirements cannot be met via direct navigation or differential positioning techniques. This paper studies a cooperative vehicle platform that aims to facilitate real-time relative positioning (RRP) among adjacent vehicles. The developed system is capable of exchanging both GPS position solutions and raw observations using RTCM-104 format over vehicular dedicated short range communication (DSRC) links. Real-time kinematic (RTK) positioning technique is integrated into the system to enable RRP to be served as an embedded real-time warning system. The 5.9 GHz DSRC technology is adopted as the communication channel among road-side units (RSUs) and on-board units (OBUs) to distribute GPS corrections data received from a nearby reference station via the Internet using cellular technologies, by means of RSUs, as well as to exchange the vehicular real-time GPS raw observation data. Ultimately, each receiving vehicle calculates relative positions of its neighbors to attain a RRP map. A series of real-world data collection experiments was conducted to explore the synergies of both DSRC and positioning systems. The results demonstrate a significant enhancement in precision and availability of relative positioning at mobile vehicles.

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ID Code: 62287
Item Type: Conference Paper
Refereed: Yes
Additional URLs:
Keywords: Dedicated Short Range Communications, DSRC, NTRIP, Relative Positioning, RTCM, RTK, V2I, V2V
DOI: 10.1109/VTCFall.2013.6692454
ISBN: 9781467361866
ISSN: 1090-3038
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > AUTOMOTIVE ENGINEERING (090200) > Automotive Safety Engineering (090204)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > COMMUNICATIONS TECHNOLOGIES (100500) > Wireless Communications (100510)
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2013 IEEE
Deposited On: 04 Sep 2013 22:10
Last Modified: 03 Sep 2014 18:45

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