Systems and methods for calibration of in-phase/quadrature (I/Q) modulators

Marios Neofytou (Uitvinder), Kostas Doris (Uitvinder), Marcello Ganzerli (Uitvinder), Georgi I. Radulov (Uitvinder), Pavlos Athanasiadis (Uitvinder)

Onderzoeksoutput: OctrooiOctrooi-publicatie

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Samenvatting

A wireless transceiver system includes a transmitter and a receiver. The transmitter includes a digital processor and a self-correction modulator coupled to the digital processor, wherein based upon a calibration correction assessment of an in-phase (I) signal and a quadrature (Q) signal received from the digital processor, the self-correction modulator generates a calibrated modulated signal. The self-correction modulator includes a core modulator and a calibration correction unit. The calibration correction unit is configured to correct an output of the core modulator based upon the calibration correction assessment. The calibration correction unit includes a calibration processing unit and a calibration modulator, wherein the calibration processing unit provides correction quantities that are used to program the calibration modulator to provide the self-corrected modulated signal.
Originele taal-2Engels
OctrooinummerUS11228478
Indieningsdatum13/10/20
StatusGepubliceerd - 18 jan. 2022

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