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Algorithm transformations in design of digit-serial FIR filters
Dept. Tech., Univ. Kalmar.
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Electronics System.
Dept. Tech., Univ. Kalmar.
2005 (English)In: IEEE Workshop Signal Processing Systems Design and Implementation, SIPS'05, 2005, , 81-86 p.81-86 p.Conference paper, Published paper (Refereed)
Abstract [en]

Algorithm transformations for increased throughput and decreased power consumption in design of digit-serial FIR filters are discussed in this paper. Pipelining has been used for a long time for increasing the throughput of sequential algorithms. Here we introduce algorithm unfolding, which traditionally has been used in implementation of recursive algorithms, in a sequential FIR algorithm. Pipelining at algorithm and logic level, and algorithm unfolding are compared by HSPICE simulations of netlists extracted from layouts. For a given throughput requirement, the simulations show that algorithm unfolding without any pipelining is preferable for low power operation. Algorithm unfolding yields a decrease of the power consumption with 40, and 50 percent compared to pipelining at the logic or algorithm level, respectively. For minimum power consumption the digit-size should be tuned with the throughput requirement, i.e., using a large digit-size for low throughput requirement and decrease the digit-size with increasing throughput.

Place, publisher, year, edition, pages
2005. , 81-86 p.81-86 p.
Keyword [en]
FIR filters, SPICE, network synthesis, pipeline processing
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-37347DOI: 10.1109/SIPS.2005.1579843Local ID: 34786ISBN: 0-7803-9333-3 (print)OAI: oai:DiVA.org:liu-37347DiVA: diva2:258196
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2009-10-14

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Vesterbacka, Mark

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf