A new 4D lattice FIR digital filter

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Abstract

This paper presents a new four-dimensional (4D) lattice structured digital filter, having a minimal number of delay elements. This filter, besides having a minimal number of delay elements, also has an absolutely minimal state-space vector. The new finite impulse response (FIR) digital filter is characterized by a lattice structure having alternate delay element orientation. Furthermore, the transfer function coefficients of the proposed 4D filter are complements of the conventional lattice filters. The results of this paper are directly applicable to one-dimensional (1D) lattice digital filters. 4D and two-dimensional (2D) low-order examples are provided to show the features of the circuit and state-space realization structures.

Original languageEnglish
Title of host publication2020 IEEE 11th Latin American Symposium on Circuits and Systems, LASCAS 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728134277
DOIs
StatePublished - Feb 2020
Event11th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2020 - San Jose, Costa Rica
Duration: 25 Feb 202028 Feb 2020

Publication series

Name2020 IEEE 11th Latin American Symposium on Circuits and Systems, LASCAS 2020

Conference

Conference11th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2020
CountryCosta Rica
CitySan Jose
Period25/02/2028/02/20

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