Technology of Network & Communication
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App. Res. of Comp. Printed Article
Vol. 38, 2021 No. 2
530-533

Divergence of cooperative vehicle localization in underground parking lots

Xiao Guangbing
Wang Lanyi
Sun Ning
Ji Gan
Zhang Yong
College of Automotive & Transportation Engineering, Nanjing Forestry University, Nanjing 210037, China
DOI: 10.19734/j.issn.1001-3695.2019.12.0687

Abstract

Aiming at the problem of high-precision location service of intelligent vehicle in the situation of weak or unavailable GPS signal(such as tunnel, underground parking lot, etc. ), this paper analyzed a kind of wireless positioning algorithm based on VANET, which used the information exchange between vehicles and intelligent subgrades to solve the problems of low effective accuracy and poor anti-interference ability in the existing vehicle positioning process. However, considering the dynamic changes of the network topology caused by vehicle movement, the existing researches often ignored the asymmetric communication delay between vehicles and intelligent subgrades, which led to the over-simplification of the cooperative positioning model and the loss of vehicle positioning accuracy. By describing the asymmetric communication model between vehicle and intelligent roadbed, it analyzed and verified the divergence of the existing vehicle cooperative positioning algorithm from a mathematical perspective. The simulation results show that the positioning error of the vehicle converges gradually without considering the asymmetric communication delay, but it shows exponential oscillation divergence with considering the asymmetric delay.

Foundation Support

国家自然科学基金资助项目(61803206)
产业前瞻与共性关键技术重点项目(BE2017008-2)
南京林业大学青年科学创新基金资助项目(CX2018004)
南京林业大学自制实验教学仪器项目(nlzzyq201827)
江苏省高等学校大学生创新创业训练计划资助项目(2019NFUSPITP1106)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2019.12.0687
Publish at: Application Research of Computers Printed Article, Vol. 38, 2021 No. 2
Section: Technology of Network & Communication
Pages: 530-533
Serial Number: 1001-3695(2021)02-040-0530-04

Publish History

[2021-02-05] Printed Article

Cite This Article

肖广兵, 王蓝仪, 孙宁, 等. 基于车路协同的地下停车场车辆定位算法发散性研究 [J]. 计算机应用研究, 2021, 38 (2): 530-533. (Xiao Guangbing, Wang Lanyi, Sun Ning, et al. Divergence of cooperative vehicle localization in underground parking lots [J]. Application Research of Computers, 2021, 38 (2): 530-533. )

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  • Application Research of Computers Monthly Journal
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Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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