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.
Patent No.:
Date of Patent:
Mar. 08, 2022
Filed:
Oct. 12, 2017
U-blox Ag, Thalwil, CH;
Christopher Marshall, Reigate, GB;
u-blox AG, Thalwil, CH;
Abstract
Methods and apparatus for assisting positioning or timing calculations. In one aspect the invention provides a method for assisting a determination of a position or a time, the method comprising: obtaining first phase information, the first phase information characterizing a first phase of a first wireless signal transmitted by a transmitter at a first frequency and received by a first receiver at a first location; and obtaining second phase information, the second phase information characterizing a second phase of a second wireless signal transmitted by the transmitter at a second, different frequency and received by a second receiver at a second, different location. The method further comprises comparing the first phase information with the second phase information to produce phase comparison information; and using the phase comparison information to assist in the determination of a position or a time.