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CMA fractionally spaced equalizers: stationary points and stability under i.i.d. and temporally correlated sources
Cornell University, Ithaca.
1998 (English)In: International journal of adaptive control and signal processing (Print), ISSN 0890-6327, E-ISSN 1099-1115, Vol. 12, no 2, 135-155 p.Article in journal (Refereed) Published
Abstract [en]

A common assumption in blind equalization schemes using the Constant Modulus Algorithm (CMA) is that the source sequence is an independent identically distributed (i.i.d.) sequence with equiprobable symbols. Much of the analysis demonstrating the global convergence of CMA in a noiseless channel to an open-eye setting uses this assumption. This work investigates the effect of source statistics (distributions and correlations) on the location of CMA stationary points in the fractionally sampled equalizer case under the conditions of equalizability. The work identifies the stationary points as the solution set of a system of multivariate polynomial equations with monomial coefficients given by the source moments.

Place, publisher, year, edition, pages
1998. Vol. 12, no 2, 135-155 p.
Research subject
Signal Processing
URN: urn:nbn:se:ltu:diva-7884Local ID: 65072e30-a00d-11db-8975-000ea68e967bOAI: diva2:980774
Uppr├Ąttat; 1998; 20070107 (ysko)Available from: 2016-09-29 Created: 2016-09-29

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