作者: Curtis Ling , Timothy Gallagher , Yongtao Wang
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摘要: Methods and systems for I/Q mismatch calibration compensation wideband communication receivers may include receiving a radio frequency (RF) signal in receiver of device, down-sampling the received RF to generate channel k its image −k at baseband frequencies, determining average in-phase (I) quadrature (Q) gain phase −k. A curvature be estimate utilizing blind source separation (BSS) estimation algorithm. The I Q removed. residual tilt amplitude (with removed mismatch) determined.