Adaptive regularization matrix for affine projection algorithm
- Authors
- Choi, Young-Seok; Shin, Hyun-Chool; Song, Woo-Jin
- Issue Date
- Dec-2007
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- adaptive regularization matrix; affine projection algorithms (APAs)
- Citation
- IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, v.54, no.12, pp.1087 - 1091
- Journal Title
- IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS
- Volume
- 54
- Number
- 12
- Start Page
- 1087
- End Page
- 1091
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/17723
- DOI
- 10.1109/TCSII.2007.906931
- ISSN
- 1549-7747
- Abstract
- We propose an adaptive regularized affine projection algorithm (AR-APA) with a regularization matrix. Instead of the conventional fixed and weighted identity matrix for regularization, the proposed AR-APA incorporates a nonidentity regularization matrix which is dynamically updated. The adaptation of the regularization matrix is accomplished by the normalized stochastic gradient of mean-square error. Consequently, an efficient and robust APA is derived. Experimental results comparing the proposed AR-APA to the conventional algorithms clearly indicate its superior performance.
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