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AssigneeRF Micro Devices, Inc.
InventorsHirofumi Honjo, Suryanarayana Pappu, Mikko Sannala, Ricke W. Clark
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The present disclosure relates to amplitude based pre-distortion calibration of an RF communications terminal, such as a cell phone, by transmitting a first standard RF transmit burst from the RF communications terminal to an RF test instrument, which assimilates the first standard RF transmit burst. A calibration control system extracts information regarding the first standard RF transmit burst from the RF test instrument; determines amplitude based distortion of the RF communications terminal using the extracted information; determines amplitude based pre-distortion calibration information using the determined amplitude based distortion; and calibrates the RF communications terminal using the amplitude based pre-distortion calibration information. By using a single-shot transmit burst, calibration times may be minimized. To calibrate the RF communications terminal at multiple transmit frequencies, multiple single-shot transmit bursts may be used, such that each single-shot transmit burst is at a different calibration frequency.
A method comprising:
A system comprising:
Dependencies are inferred from the claim text.