A Complexity Analysis of IIR Filters with an Approximately Linear Phase

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dc.contributor.authorStancic, Goran
dc.contributor.authorDuric, Milos
dc.contributor.authorJovanovic, Bojan
dc.contributor.authorCvetkovic, Stevica
dc.coverage.issue2cs
dc.coverage.volume28cs
dc.date.accessioned2020-04-30T10:34:53Z
dc.date.available2020-04-30T10:34:53Z
dc.date.issued2019-06cs
dc.description.abstractIn this paper, a comprehensive analysis of hardware complexity of different configurations for the realization of approximately linear phase filters is presented. Hardware complexity for the realization of the parallel all-pass structure (PA) is compared to the standard elliptic filters with the adequate group delay corrector (EC) in cascade. Both considered filters are designed to have the same cutoff frequency and magnitude approximation error, as well as the same maximal group delay error in all pass-bands. All analyzed infinite impulse response (IIR) filters will have an elliptic shape magnitude and approximately linear phase (i.e. constant group delay). In addition, the resulting group delay error of all the considered filters has an equiripple nature. The performed analysis revealed that consistently better results could be achieved with PA filters in terms of power consumption and hardware complexity. At the same time, the PA filters introduce significantly lower delay. The filter banks for efficient sub-band coding and signal transmission in communication systems could be successfully realized using the PA filters. The results presented here could be a valuable resource for designers of IIR filters to select the appropriate configuration for realization.en
dc.formattextcs
dc.format.extent430-438cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2019 vol. 28, č. 2, s. 430-438. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2019.0430en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/186878
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttps://www.radioeng.cz/fulltexts/2019/19_02_0430_0438.pdfcs
dc.rightsCreative Commons Attribution 4.0 International licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectElliptic filtersen
dc.subjectFPGA analysisen
dc.subjectapproximately linear phaseen
dc.subjectall-pass filtersen
dc.subjectequiripple approximation erroren
dc.subjectfilter banksen
dc.titleA Complexity Analysis of IIR Filters with an Approximately Linear Phaseen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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