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A comparison of three lattice wave digital filter implementations
Linköping University, Department of Electrical Engineering, Electronics System. 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. Linköping University, The Institute of Technology.
1996 (English)In: Proc. Int. Conf. on Signal Processing Applications & Technology, ICSPAT'96, 1996, II-1909-II-1913 p.Conference paper, Published paper (Refereed)
Abstract [en]

An approach to schedule lattice wave digital filters so that the maximal sample frequency is obtained is presented. In the approach, bit-serial arithmetic and a scheduling method that decouples the sample period from the scheduling period are used. A lower bound on the scheduling period required to arrive at the minimum sample period is given. Different latency models for the arithmetic operations, and their effect on the minimum sample period are discussed. The operation schedule is mapped to a hardware structure using isomorphic mapping. The throughput of the resulting implementations is comparable to corresponding bit-parallel implementations.

Place, publisher, year, edition, pages
1996. II-1909-II-1913 p.
Keyword [en]
all-pass filters, digital arithmetic, lattice filters, recursive filters, wave digital filters
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-50891OAI: oai:DiVA.org:liu-50891DiVA: diva2:272303
Available from: 2009-10-06 Created: 2009-10-06 Last updated: 2009-10-15

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Vesterbacka, MarkPalmkvist, KentWanhammar, Lars

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