US Patent Issued to u-blox on May 5 for "Demodulating QZSS signals" (Swiss Inventor)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,978, issued on May 5, was assigned to u-blox AG (Thalwil, Switzerland).

"Demodulating QZSS signals" 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 demodulating an L1S signal from a satellite in the Quasi-Zenith Satellite System (QZSS). The method comprises tracking another L1 signal transmitted by the satellite, and predicting, based on the tracking parameters of the other L1 signal, one or more parameters of the L1S signal. The L1S signal is demodulated based on the one or more predicted parameters."

The patent was filed on Nov. 30, 2022, under Application No...