A pipelined adaptive lattice filter architecture1

N. R. Skanbhag; K. K. Parhi

doi:10.1109/ISCAS.1992.230555

A pipelined adaptive lattice filter architecture1

N. R. Skanbhag, K. K. Parhi

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Scopus citations

Abstract

The stochastic gradient adaptive lattice filter is pipelined by the application of the relaxed look-ahead. This form of look-ahead maintains the functional behavour instead of the input-output mapping. The sum and product relaxations are employed to pipeline the lattice filter. The hardware complexity of the proposed pipelined filter is of the same order as the sequential filter. Thus, the new architecture is attractive from an implementation point of view. Convergence analysis is carried out to illustrate the trade-off offered by relaxed look-ahead. Linear prediction of a speech signal is used as a simulation example.

Original language	English (US)
Title of host publication	1992 IEEE International Symposium on Circuits and Systems, ISCAS 1992
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	2196-2199
Number of pages	4
ISBN (Electronic)	0780305930
DOIs	https://doi.org/10.1109/ISCAS.1992.230555
State	Published - 1992
Event	1992 IEEE International Symposium on Circuits and Systems, ISCAS 1992 - San Diego, United States Duration: May 10 1992 → May 13 1992

Publication series

Name	Proceedings - IEEE International Symposium on Circuits and Systems
Volume	5
ISSN (Print)	0271-4310

Conference

Conference	1992 IEEE International Symposium on Circuits and Systems, ISCAS 1992
Country/Territory	United States
City	San Diego
Period	5/10/92 → 5/13/92

Bibliographical note

Publisher Copyright:
© 1992 IEEE.

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10.1109/ISCAS.1992.230555

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Skanbhag, N. R., & Parhi, K. K. (1992). A pipelined adaptive lattice filter architecture1. In 1992 IEEE International Symposium on Circuits and Systems, ISCAS 1992 (pp. 2196-2199). Article 230555 (Proceedings - IEEE International Symposium on Circuits and Systems; Vol. 5). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ISCAS.1992.230555

A pipelined adaptive lattice filter architecture1. / Skanbhag, N. R.; Parhi, K. K.
1992 IEEE International Symposium on Circuits and Systems, ISCAS 1992. Institute of Electrical and Electronics Engineers Inc., 1992. p. 2196-2199 230555 (Proceedings - IEEE International Symposium on Circuits and Systems; Vol. 5).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Skanbhag, NR & Parhi, KK 1992, A pipelined adaptive lattice filter architecture1. in 1992 IEEE International Symposium on Circuits and Systems, ISCAS 1992., 230555, Proceedings - IEEE International Symposium on Circuits and Systems, vol. 5, Institute of Electrical and Electronics Engineers Inc., pp. 2196-2199, 1992 IEEE International Symposium on Circuits and Systems, ISCAS 1992, San Diego, United States, 5/10/92. https://doi.org/10.1109/ISCAS.1992.230555

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author = "Skanbhag, {N. R.} and Parhi, {K. K.}",

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AB - The stochastic gradient adaptive lattice filter is pipelined by the application of the relaxed look-ahead. This form of look-ahead maintains the functional behavour instead of the input-output mapping. The sum and product relaxations are employed to pipeline the lattice filter. The hardware complexity of the proposed pipelined filter is of the same order as the sequential filter. Thus, the new architecture is attractive from an implementation point of view. Convergence analysis is carried out to illustrate the trade-off offered by relaxed look-ahead. Linear prediction of a speech signal is used as a simulation example.

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ER -

A pipelined adaptive lattice filter architecture1

Abstract

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