Low-Complexity Blind I/Q Estimation and Compensation of Wideband Zero-IF Receivers

2021 International Conference on Electrical Engineering and Photonics (EExPolytech)（2021）

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摘要

Frequency-dependent I/Q imbalance has become one of the most important factors affecting wireless communication systems in zero intermediate frequency (zero-IF) receivers, due to the communication bandwidth being wider. In this paper, a robust low-complexity blind estimation calibration scheme for I/Q imbalance is proposed. The imbalance estimation method makes use of the second-order statistics o...

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关键词

frequency-dependent I/Q imbalance,wideband zero-IF receiver,blind compensation,low-complexity,second-order statistics

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