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Single filter frequency-response masking FIR filters
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Electronics System.ORCID iD: 0000-0003-3470-3911
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Electronics System.
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Electronics System.
2003 (English)In: Journal of Circuits, Systems and Computers, ISSN 0218-1266, Vol. 12, no 5, 601-630 p.Article in journal (Refereed) Published
Abstract [en]

In this work filter structures that decrease the required number of multipliers and adders for implementation of linear-phase FIR filters using frequency-response masking techniques are introduced. The basic idea of the proposed structures is that identical subfilters are used. This leads to the same arithmetic structure can be multiplexed in the implementation, reducing the number of required multipliers and adders. The subfilters are mapped using the folding transformation to obtain an area-efficient time-multiplexed (or pipeline/interleaved) implementation. Both narrow-band and wide-band frequency-response masking as well as arbitrary bandwidth frequency-response masking techniques are considered. The filter design is discussed and for each filter structure the limits on the specifications are derived. Designed examples show the usefulness of the proposed structures.

Place, publisher, year, edition, pages
2003. Vol. 12, no 5, 601-630 p.
Keyword [en]
FIR filter, Folding, Frequency-response masking, Pipeline/interleaving, Time-multiplexing
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-46474DOI: 10.1142/S0218126603001094OAI: oai:DiVA.org:liu-46474DiVA: diva2:267370
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2015-03-11

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Gustafsson, OscarJohansson, HåkanWanhammar, Lars

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  • nn-NB
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  • Other locale
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Output format
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