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| Paper: | SPTM-P8.1 |
| Session: | Adaptive Filters II |
| Time: | Thursday, May 20, 13:00 - 15:00 |
| Presentation: |
Poster |
| Topic: |
Signal Processing Theory and Methods: Adaptive Systems & Filtering |
| Title: |
A NOVEL VARIABLE TAP-LENGTH ALGORITHM FOR LINEAR ADAPTIVE FILTERS |
| Authors: |
Yu Gong; Queen's University Belfast | | |
| | Colin Cowan; Queen's University Belfast | | |
| Abstract: |
The tap-length is an important structural parameter of the linearFIR adaptive filter. Although the optimum tap-length that balancesthe performance and complexity varies with scenarios, most currentadaptive filters fix the tap-length at some compromise value,making them inefficient to implement especially in time varyingscenarios. In this paper, we propose a novel gradient search basedvariable tap-length algorithm using the concept of the pseudo fractional tap-length, and show that the new algorithm can converge to the optimum tap-length in the mean. Results of computer simulations are also provided to verify the analysis inthis paper. |
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