Title:
POSITIONING DEVICE, POSITIONING METHOD, AND POSITIONING PROGRAM
Document Type and Number:
WIPO Patent Application WO/2023/002558
Kind Code:
A1
Abstract:
This positioning device (100) comprises a provisional position calculation unit (120), a two-dimensional position calculation unit (140), a three-dimensional position calculation unit (150), and a position combination unit (160). The positioning device (100) performs three-dimensional positioning of a terminal using relative angles formed by the terminal and respective base stations. The provisional position calculation unit (120) calculates the provisional position of the terminal on the basis of observed data. The two-dimensional position calculation unit (140) calculates the two-dimensional position of the terminal on the basis of observed data and the provisional position. The three-dimensional position calculation unit (150) calculates the three-dimensional position of the terminal on the basis of the observed data and the provisional position. The position combination unit (160) combines the two-dimensional position and the three-dimensional position and obtains the position of the terminal.
Inventors:
WATANABE FUTA (JP)
Application Number:
PCT/JP2021/027097
Publication Date:
January 26, 2023
Filing Date:
July 20, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G01S5/08
Domestic Patent References:
| WO2018168996A1 | 2018-09-20 |
Foreign References:
| JP2017223645A | 2017-12-21 | |||
| US20190166453A1 | 2019-05-30 | |||
| US20190195981A1 | 2019-06-27 | |||
| US20210048500A1 | 2021-02-18 |
Other References:
WATANABE FUTA: "Wireless Sensor Network Localization Using AoA Measurements With Two-Step Error Variance-Weighted Least Squares", IEEE ACCESS, IEEE, USA, vol. 9, 8 January 2021 (2021-01-08), USA , pages 10820 - 10828, XP011832327, DOI: 10.1109/ACCESS.2021.3050309
Attorney, Agent or Firm:
CROSS-BORDER PATENT FIRM (JP)
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