| 摘要 |
A method and an apparatus of IQ mismatch calibration in a radio communication system. The method includes receiving a radio frequency signal, mixing the radio frequency signal with a first carrier to generate an In-phase analog signal, mixing the radio frequency signal with a second carrier to generate a Quadrature-phase analog signal, detecting a phase offset between the In-phase analog signal and the Quadrature-phase analog signal, computing at least a tuning parameter according to the phase offset, and calibrating at least one of the In-phase analog signal and the Quadrature-phase analog signal according to at least one of the phase offset and the tuning parameter such that the In-phase analog signal and the Quadrature-phase analog signal are orthogonal after calibration.
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