The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 05, 2018
Filed:
Feb. 08, 2017
Futurewei Technologies, Inc., Plano, TX (US);
Hong Jiang, Kernersville, NC (US);
Wael Al-Qaq, Oak Ridge, NC (US);
Zhihang Zhang, Cary, NC (US);
Eric Sung, Greensboro, NC (US);
Futurewei Technologies, Inc., Plano, TX (US);
Abstract
A method and terminal device for reducing an image distortion are provided. The terminal device generates a radio frequency signal from a first path that includes first and second low pass filters of in-phase and quadrature phase paths, produces a decomposed signal having in-phase and quadrature phase components in digital form based on the radio frequency signal, and determines a phase mismatch between the in-phase and quadrature phase components. Then the terminal device generates a bandwidth adjustment value based on the determined phase mismatch, further generates, based on the bandwidth adjustment value, first and second bandwidth control signals; and adjusts a bandwidth of first and second low pass filters based on the first and second bandwidth control signals to reduce the phase mismatch.