Patent ID: 11965753
Assignee: TRANSPORTATION IP HOLDINGS, LLC
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 4:
5. The method of claim 1, wherein examining the positional data signals includes:
determining whether the first antenna of the first GNSS receiver and the second antenna of the second GNSS receiver onboard the vehicle have received the positional data signals from a designated number of the off-board communication devices for at least a designated period of time;
determining whether the first antenna of the first GNSS receiver and the second antenna of the second GNSS receiver will both be able to continue receiving the positional data signals from the designated number of the communication devices for at least an upcoming period of time;
examining the positional data signals includes determining a first number of the off-board communication devices from which positional data signals are received; and
identifying at least one of the off-board communication devices as the spoofing device or the jamming device, or at least one of the positional data signals is inaccurate, responsive to the first number of the off-board communication devices differing from the designated number of the off-board communication devices.