The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 09, 2023

Filed:

Mar. 08, 2021
Applicant:

Psj International Ltd., Tortola, VG;

Inventors:

Ruey-Beei Wu, Taipei, TW;

Yu-Er Chen, Taichung, TW;

Assignee:

PSJ INTERNATIONAL LTD., Tortola, VG;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 5/02 (2010.01); G01S 13/02 (2006.01); H04B 17/27 (2015.01);
U.S. Cl.
CPC ...
G01S 5/021 (2013.01); G01S 5/0226 (2013.01); G01S 5/0242 (2013.01); G01S 5/0244 (2020.05); G01S 5/0289 (2013.01); G01S 13/0209 (2013.01); H04B 17/27 (2015.01);
Abstract

An ultra-wideband (UWB) localization method, a UWB localization device, and a UWB localization system are provided. The UWB method includes: determining whether or not a plurality of UWB hardware measurement deviations are calibrated; determining, when the UWB hardware measurement deviations are calibrated, whether or not a plurality of anchor coordinates of anchors are automatically measured; obtaining, when the anchor coordinates of the anchors are automatically measured, a plurality of measurement distances between each of the anchors and a tag, respectively, and deducting the UWB hardware measurement deviations from the measurement distances, respectively; and calculating a tag coordinate of the tag according to the measurement distances from which the UWB hardware measurement deviations are deducted.


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