Patent ID: 11879990
Assignee: NXP B.V.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 16:
17. An apparatus comprising:
a radar circuit to receive reflection signals, in response to transmitted chirp sequences, as reflections from objects remote from the apparatus;
front-end circuitry integrated with the radar circuit;
computer processing circuitry to process data corresponding to the reflection signals and, in response, to generate output data indicative of distance, velocity and/or angle information;
emulation circuitry to introduce one or more sets of diagnostic data into the radar circuit to cause circuit processing of simulated reflection signals as though the simulated reflection signals are reflections from the objects remote from the apparatus, each of the one or more sets of diagnostic data being respectively associated with one or more simulated targets and including a first effective signal delay to create the simulated reflection signals; and
phase rotator circuitry to effect a phase offset or phase adjustment in radar signals communicated via the front-end circuitry, wherein the phase offset or phase adjustment is compensated or accounted when using the emulation circuitry in a functional radar mode.