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US 2010/0142655 A1Published application
System and method for radio signal reconstruction using signal processor
AssigneeAmerican Radio LLC
InventorRobert Hotto
Life of this patent
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Abstract
A waveform reconstruction circuit receives an rf signal from an antenna, digitizes it, and then generates an undistorted reconstructed waveform. The reconstructed waveform can then be conventionally mixed and demodulated to extract useful signal information with enhanced receiver fidelity and sensitivity.
Claims8
1-27. (canceled)
A receiver, comprising:
- an analog to digital converter (ADC) receiving as input an rf signal that has not been downconverted in the analog domain to IF by the receiver, the ADC outputting a digitized signal representing the rf signal;
- and
- a digital processor electrically connected to the ADC, the digital processor being programmed with software to decode and extract baseband information from the digitized signal.
A receiver, comprising:
- a reconstruction circuit receiving an analog rf signal and generating a reconstructed waveform having substantially no distortions therein, wherein the reconstruction circuit includes:
- an analog to digital converter (ADC) for receiving the analog rf signal that has not been downconverted in the analog domain and outputting a digitized rf signal in response;
- and
- a digital processor electrically connected to the ADC for receiving the digitized rf signal and in response outputting the reconstructed waveform in accordance with a predetermined reconstruction paradigm.
1 more element
A receiver, comprising:
- a signal repair circuit receiving an analog waveform carried in an optical transmission line and generating a repaired waveform, wherein the signal repair circuit includes:
- an analog to digital converter (ADC) for receiving the signal prior to any extraction of basedband information therefrom and outputting a digitized signal in response;
- and
- a digital processor electrically connected to the ADC for receiving the digitized signal and in response outputting the repaired waveform in accordance with a predetermined repair paradigm.
1 more element
A method, comprising:
- sampling an RE signal that has not been downcoverted in the analog domain, the RF signal being a carrier for baseband information;
- processing samples of the RF signal prior to completing a downconversion operation;
- generating, subsequent to the processing, a digitized signal;
- and
- extracting the baseband information from the digitized signal.
2 more elements
Dependencies are inferred from the claim text.