A unified approach to split structure adaptive filtering

In this paper, a pragmatic approach to continuously split up an adaptive transversal filter is developed. It is shown that any M=2/sup L/ length adaptive filter can be decomposed into M parallel single-parameter sub-sections by an L-step splitting operation. The sub-sections can then be adapted sepa...

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Bibliographic Details
Main Authors: Ching, P.C., Wan, K.F.
Format: Conference Proceeding
Language:English
Subjects:
Adaptive filters
Convergence
Transversal filters
Online Access:Request full text
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Summary:In this paper, a pragmatic approach to continuously split up an adaptive transversal filter is developed. It is shown that any M=2/sup L/ length adaptive filter can be decomposed into M parallel single-parameter sub-sections by an L-step splitting operation. The sub-sections can then be adapted separately and the convergence behaviour of the overall system is greatly improved. The proposed algorithm has a simple modular structure and its speed of convergence is much faster than the conventional method. A unified perspective between Walsh transform adaptation and split structure adaptive filtering is also illustrated.
DOI:10.1109/ISCAS.1995.523715