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Frequency Dependent Mismatch Correction Scheme for Zero-IF Receivers

Hibner R., Zieliński R. J.

International Journal of Electronics and Telecommunications

2018

Vol. 64, No. 1

13--18

This paper shows effective method of linear distortions compensation in zero-IF receivers. With application of frequency domain processing a computation efficient method was developed that allows to correct quadrature mismatch in Zero-IF receiver along with gain and group delay independent of receiving signal type. Method was implemented and tested on hardware platform confirming its effectiveness. This method makes it possible to build high sensitivity devices to monitor spectrum in very wide frequency ranges.