Adaptive reduced-rank MMSE filtering with interpolated FIR filters and adaptive interpolators

  title={Adaptive reduced-rank MMSE filtering with interpolated FIR filters and adaptive interpolators},
  author={Rodrigo C. de Lamare and Raimundo Sampaio Neto},
  journal={IEEE Signal Processing Letters},
In this letter, we propose a broadly applicable reduced-rank filtering approach with adaptive interpolated finite impulse response (FIR) filters in which the interpolator is rendered adaptive. We describe the interpolated minimum mean squared error (MMSE) solution and propose normalized least mean squares (NLMS) and affine-projection (AP) algorithms for both the filter and the interpolator. The resulting filtering structures are considered for equalization and echo cancellation applications… CONTINUE READING
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