Adaptive digital receivers for analog front-end mismatch correction

E. Çetin*, I. Kale, R. C S Morling

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Phase and gain mismatches between the I and Q analog signal processing paths of a quadrature receiver are responsible for the generation of image signals which limit the dynamic range of a practical receiver. In this paper we analyse the effects these mismatches and propose a low-complexity blind adaptive algorithm to minimize this problem. The proposed solution is based on two, 2-tap adaptive filters, arranged in Adaptive Noise Canceller (ANC) set-up. The algorithm lends itself to efficient real-time implementation with minimal increase in modulator complexity.

Original languageEnglish
Pages (from-to)2519-2522
Number of pages4
JournalIEEE Vehicular Technology Conference
Volume4
Issue number54ND
Publication statusPublished - 2001
Externally publishedYes

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