Variable length adaptive filtering within incremental learning algorithms for distributed networks

Leilei Li*, Yonggang Zhang, Jonathon A. Chambers

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

10 Citations (Scopus)

Abstract

In this paper we propose the use of variable length adaptive filtering within the context of incremental learning for distributed networks. Algorithms for such incremental learning strategies must have low computational complexity and require minimal communication between nodes as compared to centralized networks. To match the dynamics of the data across the network we optimize the length of the adaptive filters used within each node by exploiting the statistics of the local signals to each node. In particular, we use a fractional taplength solution to determine the length of the adaptive filter within each node, the coefficients of which are adapted with an incrementallearning learning algorithm. Simulation studies are presented to confirm the convergence properties of the scheme and these are verified by theoretical analysis of excess mean square error and mean square deviation.

Original languageEnglish
Title of host publication2008 42nd Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2008
Pages225-229
Number of pages5
DOIs
Publication statusPublished - 2008
Externally publishedYes
Event2008 42nd Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2008 - Pacific Grove, CA, United States
Duration: 26 Oct 200829 Oct 2008

Publication series

NameConference Record - Asilomar Conference on Signals, Systems and Computers
ISSN (Print)1058-6393

Conference

Conference2008 42nd Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2008
Country/TerritoryUnited States
CityPacific Grove, CA
Period26/10/0829/10/08

Keywords

  • Adaptive filters
  • Distributed processing
  • Incremental algorithm
  • Variable tap-length

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