ETRI Journal
- Volume 28 Issue 2
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- Pages.155-161
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- 2006
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- 1225-6463(pISSN)
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- 2233-7326(eISSN)
A Least Squares Approach to Escalator Algorithms for Adaptive Filtering
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Kim, Nam-Yong
(Department of Information and Communication Engineering, Kangwon National University)
- Received : 2005.04.06
- Published : 2006.04.30
Abstract
In this paper, we introduce an escalator (ESC) algorithm based on the least squares (LS) criterion. The proposed algorithm is relatively insensitive to the eigenvalue spread ratio (ESR) of an input signal and has a faster convergence speed than the conventional ESC algorithms. This algorithm exploits the fast adaptation ability of least squares methods and the orthogonalization property of the ESC structure. From the simulation results, the proposed algorithm shows superior convergence performance.