ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,767, issued on May 19, was assigned to u-blox AG (Thalwil, Switzerland).
"Processing a GNSS signal based on doppler estimates" was invented by Zhenlan Cheng (Thalwil, Switzerland), Robert Lluis Garcia (Thalwil, Switzerland) and Maxim Koehler (Thalwil, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus are provided for processing a GNSS signal received at a receiver. The GNSS signal may be tracked in different ways in two or more respective operation modes. A first epoch is processed according to a first operation mode. In this mode, a carrier phase of a local carrier signal is controlled to track the carrier phase of th...