Method and device for calibrating IQ imbalance and DC offset of RF tranceiver

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United States of America Patent

PATENT NO 9780891
SERIAL NO

15229950

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Abstract

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A method and device for calibrating a DC offset and an I-Q imbalance component of an RF transceiver, the method including inputting a test signal into a transmitter, and converting the test signal into an analogue test signal; converting the analogue test signal using a transmitting mixer; sub-sampling a signal output from the transmitting mixer; and computing a DC offset calibrating constant number and an I-Q imbalance calibrating constant number from a sub-sampled signal.

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Patent Owner(s)

  • ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, Jang Hong Daejeon, KR 17 83
Eo, Ik Soo Daejeon, KR 27 76
Kim, Cheon Soo Daejeon, KR 44 673
Kim, Sang-Kyun Daejeon, KR 81 377

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