Patent ID: 11892545
Assignee: QUALCOMM INCORPORATED
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A method of operating a server comprising:
receiving a warning message from a monitored device in a set of monitored devices, the warning message comprising Global Navigation Satellite System (GNSS) measurement data, wherein the GNSS measurement data comprises:
a short-term average of a first plurality of GNSS fixes determined by the monitored device;
a long-term average of a second plurality of GNSS fixes determined by the monitored device;
a difference between the short-term average and the long-term average; and
a horizontal estimated position error determined by the monitored device;

determining, based at least in part on an analysis of the GNSS measurement data, whether a spoofed GNSS condition is present; and
based on the determining, sending a spoofing alert message to one or more user equipments (UEs).