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Adaptive digital receivers for analog front-end mismatch correction

Cetin, Ediz and Kale, Izzet and Morling, Richard C.S. (2001) Adaptive digital receivers for analog front-end mismatch correction. In: 2001 IEEE 54th Vehicular Technology Conference (VTC 2001 - Fall), 7-11 Oct 2001, Atlantic City, New Jersey, USA. IEEE Computer Society, USA, pp. 2519-2522. ISBN 0780370058


Official URL: http://dx.doi.org/10.1109/VTC.2001.957204


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.

Item Type:Book Section
Research Community:University of Westminster > Electronics and Computer Science, School of
ID Code:933
Deposited On:01 Dec 2005
Last Modified:11 Aug 2010 15:29

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