ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,905, issued on June 3, was assigned to u-blox AG (Thalwil, Switzerland).
"Detecting GNSS signal lock" was invented by Zhenlan Cheng (Thalwil, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus are provided for detecting GNSS signal lock. An example method includes tracking a plurality of signals received from a respective plurality of satellites in the GNSS, and calculating an individual frequency spectrum for each tracked signal in the plurality, to produce a plurality of individual frequency spectra. The example method further includes combining one or more values from several of the individual frequency spectra, to p...