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Adaptive compensation of analog front-end I/Q mismatches in digital receivers

Cetin, Ediz and Kale, Izzet and Morling, Richard C.S. (2001) Adaptive compensation of analog front-end I/Q mismatches in digital receivers. In: Proceedings of the IEEE International Symposium on Circuits and Systems (ISCAS 2001), 6-9 May 2001, Sydney Convention and Exhibition Centre, Darling Harbour, Sydney, Australia. IEEE Computer Society, USA, pp. 370-373. ISBN 0780366859


Official URL: http://dx.doi.org/10.1109/ISCAS.2001.922250


I and Q Channel phase and gain misniatches are of great concern in communications receiver design. In this paper we analyse the effects of I and Q channel mismatches and propose a low-complexity blind adaptive algorithm to minimize this problem. The proposed solution consists of two, 2-tap adaptive filters, arranged in Adaptive Noise Canceller (ANC) set-up, with the output of one cross-fed to the input of the other. The system works as a de-correlator eliminating I and Q mismatch errors.

Item Type:Book Section
Research Community:University of Westminster > Electronics and Computer Science, School of
ID Code:936
Deposited On:01 Dec 2005
Last Modified:11 Aug 2010 15:29

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