Compensation of IQ Imbalance Based on a Simplified Blind Source Separation Method

Abstract

I/Q signal processing is widely used in radio receivers such as zero-IF and low-IF receivers for digital communications and spectrum monitoring and so on. However, all of these receivers share the common problem of the imbalance (or mismatch) on the amplitude and phases of the I and Q branches, which is unavoidable in the analog front-end of those receivers… (More)

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