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Keywords = DoA/DoD estimation

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13 pages, 513 KB  
Article
Position Estimation of Automatic-Guided Vehicle Based on MIMO Antenna Array
by Zhimin Chen, Xinyi He, Zhenxin Cao, Yi Jin and Jingchao Li
Electronics 2018, 7(9), 193; https://doi.org/10.3390/electronics7090193 - 11 Sep 2018
Cited by 14 | Viewed by 4382
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, [...] Read more.
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. Full article
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