| 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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