Volume 5, Number 3 (September 2009)                   IJEEE 2009, 5(3): 159-169 | Back to browse issues page


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M. Sh. Esfand Abadi, V. Mehrdad, M. Noroozi. A Family of Selective Partial Update Affine Projection Adaptive Filtering Algorithms. IJEEE. 2009; 5 (3) :159-169
URL: http://ijeee.iust.ac.ir/article-1-180-en.html

Abstract:   (6938 Views)
In this paper we present a general formalism for the establishment of the family of selective partial update affine projection algorithms (SPU-APA). The SPU-APA, the SPU regularized APA (SPU-R-APA), the SPU partial rank algorithm (SPU-PRA), the SPU binormalized data reusing least mean squares (SPU-BNDR-LMS), and the SPU normalized LMS with orthogonal correction factors (SPU-NLMS-OCF) algorithms are established by this general formalism. In these algorithms, the filter coefficients are partially updated rather than the entire filter coefficients at every iteration which is computationally efficient. Following this, the transient and steady-state performance analysis of this family of adaptive filter algorithms are studied. This analysis is based on energy conservation arguments and does not need to assume a Gaussian or white distribution for the regressors. We demonstrate the performance of the presented algorithms through simulations in system identification and acoustic echo cancellation scenarios. The good agreement between theoretically predicted and actually observed performances is also demonstrated
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Type of Study: Research Paper | Subject: Signal Processing
Received: 2009/09/8 | Accepted: 2013/12/30 | Published: 2013/12/30

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