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Electronics 2018, 7(9), 193; https://doi.org/10.3390/electronics7090193

Position Estimation of Automatic-Guided Vehicle Based on MIMO Antenna Array

1
School of Electronic and Information Engineering, Shanghai Dianji University, Shanghai 201306, China
2
Science and Technology on Electromagnetic Scattering Laboratory, Shanghai 200438, China
3
State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University, Nanjing 210096, China
4
Xi’an Branch of China Academy of Space Technology, Xi’an 710000, China
*
Authors to whom correspondence should be addressed.
Received: 5 August 2018 / Revised: 4 September 2018 / Accepted: 7 September 2018 / Published: 11 September 2018
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Abstract

The existing positioning methods for the automatic guided vehicle (AGV) in the port can not achieve high location precision, Therefore, a novel multiple input multiple output (MIMO) antenna radar positioning scheme is proposed in this paper. The positioning problem for AGV is considered, and the joint estimation problem for direction of departure (DoD) and direction of arrival (DoA) is addressed in the multiple-input multiple-output (MIMO) radar system. With the radar detect the transponder and estimate the DoA/DoD, the relative location between the transponder and the AGV can be obtained. The corresponding Cramér–Rao lower bounds (CRLBs) for the target parameters are also derived theoretically. Finally, we compare the positioning accuracy of the traditional global position system (GPS) with the proposed MIMO radar system. Simulation results show that the proposed method can achieve better performance than the traditional GPS. View Full-Text
Keywords: antenna array; automatic guided vehicle; DoA/DoD estimation; MIMO radar antenna array; automatic guided vehicle; DoA/DoD estimation; MIMO radar
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Chen, Z.; He, X.; Cao, Z.; Jin, Y.; Li, J. Position Estimation of Automatic-Guided Vehicle Based on MIMO Antenna Array. Electronics 2018, 7, 193.

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