Cited by 25Digital Filter Design and ImplementationAnalog and Mixed-Signal Circuit DesignAdvanced Adaptive Filtering Techniques

The DOI matches its Crossref record; 43 of the 43 references it cites were found in a registry or an index.

Two-Rate Based Low-Complexity Variable Fractional-Delay FIR Filter Structures

Johansson, Håkan, Hermanowicz, Ewa·2013·IEEE Transactions on Circuits and Systems I: Regular Papers

Abstract

This paper considers two-rate based structures for variable fractional-delay (VFD) finite-length impulse response (FIR) filters. They are single-rate structures but derived through a two-rate approach. The basic structure considered hitherto utilizes a regular half-band (HB) linear-phase filter and the Farrow structure with linear-phase subfilters. Especially for wide-band specifications, this structure is computationally efficient because most of the overall arithmetic complexity is due to the HB filter which is common to all Farrow-structure subfilters. This paper extends and generalizes existing results. Firstly, frequency-response masking (FRM) HB filters are utilized which offer further complexity reductions. Secondly, both linear-phase and low-delay subfilters are treated and combined which offers trade-offs between the complexity, delay, and magnitude response overshoot which is typical for low-delay filters. Thirdly, the HB filter is replaced by a general filter which enables additional frequency-response constraints in the upper frequency band which normally is treated as a don't-care band. Wide-band design examples (90, 95, and 98% of the Nyquist band) reveal arithmetic complexity savings between some 20 and 85% compared with other structures, including infinite-length impulse response structures. Hence, the VFD filter structures proposed in this paper exhibit the lowest arithmetic complexity among all hitherto published VFD filter structures.

Overview

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Crossref · 10.1109/tcsi.2012.2215697

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Research works printed but not linked: 3

  1. vesma, 1999, Optimization and applications of polynomial-based interpolation filters
  2. parks, 1987, Digital Filter Design
  3. kaiser, 1974, Nonrecursive digital filter design using <formula formulatype="inline"><tex Notation="TeX">$I_{0}\mathchar"702D \sinh$</tex></formula> window function, Proc Int Symp Circuits Syst, 3, 20

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Metadata

Authors
Johansson, H., & Hermanowicz, E.
Affiliations
  • Linköping University (SE)
  • Gdańsk University of Technology (PL)
Venue
IEEE Transactions on Circuits and Systems I: Regular Papers
Published
2013-01
Volume
60
Issue
1
Pages
136-149
ISSN
  • 1549-8328 (ISSN-L)
  • 1558-0806
OpenAlex
W2068332377
Cited by
25
References
43
Citations by year
2026: 1 · 2024: 2 · 2023: 4 · 2022: 1 · 2020: 1 · 2019: 1 · 2017: 1 · 2016: 1 · 2015: 2 · 2014: 5 · 2013: 6
FWCI
7.18
Type
journal article
Language
en
Open access
closed
Locations
IEEE Transactions on Circuits and Systems I Regular Papers (publishedVersion)
Topics
  • Physical Sciences › Computer Science › Signal Processing › Digital Filter Design and Implementation
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Analog and Mixed-Signal Circuit Design
  • Physical Sciences › Computer Science › Signal Processing › Advanced Adaptive Filtering Techniques
Keywords
variable fractional delay filters, half-band filters, Farrow structure, frequency-response masking, arithmetic complexity reduction, linear phase filters

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