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A tightly coupled integration approach for cooperative positioning enhancement in DSRC vehicular networks
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- Yan, Yongsheng (author)
- School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an, China; Key Laboratory of Ocean Acoustics and Sensing, Ministry of Industry and Information Technology, Xi’an, China
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- Bajaj, Ian (author)
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, Singapore
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- Rabiee, Ramtin (author)
- Umeå universitet,Institutionen för tillämpad fysik och elektronik
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- IEEE, 2022
- 2022
- English.
- In: IEEE transactions on intelligent transportation systems (Print). - : IEEE. - 1524-9050 .- 1558-0016. ; 23:12, s. 23278-23294
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Intelligent transportation system significantly relies on accurate positioning information of land vehicles for both safety and non-safety related applications, such as hard-braking ahead warning and red-light violation warning. However, existing Global Navigation Satellite System (GNSS) based solutions suffer from positioning performance degradation in challenging environments, such as urban canyons and tunnels. In this paper, we focus on the positioning performance enhancement of land vehicles via cooperative positioning under a partial GNSS environment in a Vehicular Ad-hoc NETwork (VANET). The availability of Time-of-Flight (ToF) based inter-vehicle or vehicle-to-infrastructure ranges is verified via 5.9 GHz Dedicated Short-Range Communication (DSRC) vehicle-to-everything communication with RTS/CTS unicast mechanism. An inertial navigation sensor aided, tightly coupled integration approach for land vehicle cooperative positioning using DSRC ToF ranges and carrier frequency offset range-rates is proposed, where a digital map is used to constrain the position estimates. If available, the GNSS pseudorange and Doppler shift under partial GNSS environment can also be incorporated. A Rao–Blackwellized particle filter is utilized to estimate the unknown variables allowing for reduced computational complexity in comparison with the conventional particle filter. The posterior Cramer–Rao lower bound is also derived to give a theoretical performance guideline. Both simulation and experimental results show the validity of our proposed approach.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Kommunikationssystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Communication Systems (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Keyword
- Cooperative positioning
- Distance measurement
- DSRC
- Global navigation satellite system
- GNSS
- Position measurement
- Rao-Blackwellized particle filter
- Receivers
- Satellites
- tightly coupled integration
- Vehicle-to-everything
- Vehicular ad hoc networks
Publication and Content Type
- ref (subject category)
- art (subject category)
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