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1.发明申请公开(公告)号：US20180241606A1
公开(公告)日：2018-08-23
申请号：US15716527
申请日：2017-09-27
Applicant: MEDIATEK INC.
Inventor： Wei-Chiang Li , Chen-Jui Hsu , Chun-Hsien Peng
CPC classification number: H04L27/3863 , H04B15/005
Abstract: A method employed by a circuit included within a receiver apparatus and configured for performing IQ mismatch compensation when receiver apparatus is operating under data reception mode includes: transforming a data signal, which is generated by a radio frequency receiver under the data reception mode, from time domain into a plurality of frequency bin signals in frequency domain; calculating to obtain at least one frequency domain calibration parameter according to the plurality of frequency bin signals in frequency domain; and, updating at least one coefficient parameter of IQ mismatch compensation according to the obtained at least one frequency domain calibration parameter, to make IQ mismatch compensation compensate IQ mismatch based on the updated at least one coefficient parameter.
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2.发明授权公开(公告)号：US10277450B2
公开(公告)日：2019-04-30
申请号：US15716527
申请日：2017-09-27
Applicant: MEDIATEK INC.
Inventor： Wei-Chiang Li , Chen-Jui Hsu , Chun-Hsien Peng
Abstract: A method employed by a circuit included within a receiver apparatus and configured for performing IQ mismatch compensation when receiver apparatus is operating under data reception mode includes: transforming a data signal, which is generated by a radio frequency receiver under the data reception mode, from time domain into a plurality of frequency bin signals in frequency domain; calculating to obtain at least one frequency domain calibration parameter according to the plurality of frequency bin signals in frequency domain; and, updating at least one coefficient parameter of IQ mismatch compensation according to the obtained at least one frequency domain calibration parameter, to make IQ mismatch compensation compensate IQ mismatch based on the updated at least one coefficient parameter.
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