Pipelined adaptive IIR filter architectures using scattered and relaxed look-ahead transformations
NR Shanbhag, GH Im - IEEE transactions on signal processing, 1996 - ieeexplore.ieee.org
Fine-grain pipelined architectures for adaptive infinite impulse response (AIIR) filters are
presented in this paper. The AIIR filters are equation error based. The proposed
architectures are developed by employing a combination of scattered look-ahead and
relaxed look-ahead pipelining techniques. First, a pipelined system identification scenario is
developed. Then, the scattered look-ahead technique is applied to the nonadaptive (but time-
varying) recursive section. Finally, a relaxed look-ahead technique is applied to the adaptive …
presented in this paper. The AIIR filters are equation error based. The proposed
architectures are developed by employing a combination of scattered look-ahead and
relaxed look-ahead pipelining techniques. First, a pipelined system identification scenario is
developed. Then, the scattered look-ahead technique is applied to the nonadaptive (but time-
varying) recursive section. Finally, a relaxed look-ahead technique is applied to the adaptive …
Pipelined adaptive IIR filter architecture
NR Shanbhag, GH Im - 1995 IEEE International Symposium on …, 1995 - ieeexplore.ieee.org
The authors present fine-grain pipelined architectures for adaptive infinite impulse response
(AIIR) filters. The AIIR filters are equation error based. The proposed architectures are
developed by employing a combination of scattered look-ahead and relaxed look-ahead
pipelining techniques. The scattered look-ahead technique is applied do the non-adaptive
(but time-varying) recursive section. The relaxed look-ahead technique is applied to the
adaptive blocks. It is shown via simulations that speed-ups of up to 8 and more can be …
(AIIR) filters. The AIIR filters are equation error based. The proposed architectures are
developed by employing a combination of scattered look-ahead and relaxed look-ahead
pipelining techniques. The scattered look-ahead technique is applied do the non-adaptive
(but time-varying) recursive section. The relaxed look-ahead technique is applied to the
adaptive blocks. It is shown via simulations that speed-ups of up to 8 and more can be …
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