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01-01-2015 дата публикации

Systems and methods for equalization in radio frequency signal paths

Номер: US20150003501A1
Автор: Alexander X. Pei, Edwin McCall Leiby, III
Принадлежит: HARRIS CORP

The wireless communications device has a transmit signal path including a digital-to-analog converter and associated circuitry, a receive signal path including an analog-to-digital converter, and a magnitude detector sampling the transmit signal path and providing output to a signal controller. The signal controller is configured to determine amplitude distortion and determine phase distortion based upon information from the magnitude detector, and generate an equalization filter (e.g. during power-up of the wireless communication device), based upon the determined amplitude distortion and phase distortion, for pre-distortion of regular traffic output through the transmit signal path. The approach provides compensation for both amplitude and phase based upon the sampling of an output of a magnitude detector in Radio Frequency (RF) signal paths.

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Номер записи: 1
31-12-2014 дата публикации

Systems and methods for equalization in radio frequency signal paths

Номер: WO2014209540A1
Автор: Alexander X. Pei, Edwin McCall Leiby, III
Принадлежит: HARRIS CORPORATION

The wireless communications device has a transmit signal path including a digital-to-analog converter and associated circuitry, a receive signal path including an analog-to-digital converter, and a magnitude detector sampling the transmit signal path and providing output to a signal controller. The signal controller is configured to determine amplitude distortion and determine phase distortion based upon information from the magnitude detector, and generate an equalization filter (e.g. during power-up of the wireless communication device), based upon the determined amplitude distortion and phase distortion, for pre-distortion of regular traffic output through the transmit signal path. The approach provides compensation for both amplitude and phase based upon the sampling of an output of a magnitude detector in Radio Frequency (RF) signal paths.

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Номер записи: 2
04-05-2016 дата публикации

Systems and methods for equalization in radio frequency signal paths

Номер: EP3014776A1
Автор: Alexander X. Pei, Edwin McCall Leiby, III
Принадлежит: HARRIS CORP

The wireless communications device has a transmit signal path including a digital-to-analog converter and associated circuitry, a receive signal path including an analog-to-digital converter, and a magnitude detector sampling the transmit signal path and providing output to a signal controller. The signal controller is configured to determine amplitude distortion and determine phase distortion based upon information from the magnitude detector, and generate an equalization filter (e.g. during power-up of the wireless communication device), based upon the determined amplitude distortion and phase distortion, for pre-distortion of regular traffic output through the transmit signal path. The approach provides compensation for both amplitude and phase based upon the sampling of an output of a magnitude detector in Radio Frequency (RF) signal paths.

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Номер записи: 3