Adaptive digital receivers for analog front-end mismatch correction

Cetin, E., Kale, I. and Morling, R.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, USA, pp. 2519-2522. ISBN 0780370058

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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
Subjects: University of Westminster > Science and Technology
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Date Deposited: 01 Dec 2005
Last Modified: 30 Jun 2016 11:34

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