Patent ID: 11899128
Assignee: INFINEON TECHNOLOGIES AG
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 14:
15. The method of claim 10, wherein the first data captured by the ADCs include first digital samples from the first receiving channel and second digital samples from the second receiving channel, wherein calculating the first frequency estimate of the RFIC comprises:
multiplying the first digital samples and the second digital samples with a complex tone to shift the first digital samples and the second digital samples to baseband, wherein after being shifted to baseband, the first digital samples and the second digital samples have complex values; and
after the multiplying the first digital samples and the second digital samples, calculating a first sum of the first digital samples and a second sum of the second digital samples, wherein a magnitude of the first sum and a phase of the first sum are the first amplitude estimate and the first phase estimate, respectively, and wherein a phase of the second sum is the second phase estimate.