Joint Use of Constant Modulus and Least Squares Criteria in Linearly-Constrained Communication Arrays
Abstract
This paper considers the application of the linear constraints and RLS inverse QR decomposition in adaptive arrays based on constant modulus criterion. The computational procedures of adaptive algorithms are presented. Linearly constrained least squares adaptive arrays, constant modulus adaptive arrays and linearly constrained constant modulus adaptive arrays are compared via simulation. It is demonstrated, that a constant phase shift in the array output signal, caused by desired signal orientation and array weights, is compensated in a simple way in linearly constrained constant modulus adaptive arrays.
Keywords
Adaptive array, constant modulus criterion, RLS, inverse QR decomposition, linear constraintsPersistent identifier
http://hdl.handle.net/11012/57330Document type
Peer reviewedDocument version
Final PDFSource
Radioengineering. 2007, vol. 16, č. 4, s. 88-95. ISSN 1210-2512http://www.radioeng.cz/fulltexts/2007/07_04_088_095.pdf
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- 2007/4 [19]