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Dual standard re-configurable hardware interleaver for turbo decoding
Linköping University, Department of Electrical Engineering, Computer Engineering. Linköping University, The Institute of Technology. (Computer Engineering)
Linköping University, Department of Electrical Engineering, Computer Engineering. Linköping University, The Institute of Technology. (Computer Engineering)
2008 (English)Conference paper, Published paper (Refereed)
Abstract [en]

A very low cost re-configurable hardwareinterleaver for two standards, 3GPP-WCMDA and 3GPPLong Term Evolution (3GPP-LTE) is presented. Theinterleaver is a key component of radio communicationsystems. Using conventional design methods, it consumes alarge part of silicon area in the design of turbo encoder anddecoder. The presented hardware interleaver addressgeneration architecture, utilizes the algorithmic levelhardware simplifications to achieve very low cost solution.After doing the hardware optimizations the proposedarchitecture consumes only 3.1k gates with a 256x8 bitmemory for the fully re-configurable dual standardinterleaver address generator. The interleaved address iscomputed every clock cycle except the case of pruning (ifblock size is less than the row-column matrix) in 3GPPWCDMA.In this case one additional clock cycle is consumedfor valid address generation.

Place, publisher, year, edition, pages
IEEE , 2008. 768-772 p.
Keyword [en]
Hardware interleaver, WCDMA, LTE, turbo codes, permutation polynomial
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-56216DOI: 10.1109/ISWPC.2008.4556314ISBN: 978-1-4244-1652-3 (print)OAI: oai:DiVA.org:liu-56216DiVA: diva2:317036
Conference
3rd International Symposium on Wireless Pervasive Computing, 2008. ISWPC'08
Available from: 2010-05-01 Created: 2010-05-01 Last updated: 2010-05-03

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Asghar, RizwanLiu, Dake

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CiteExportLink to record
Permanent link

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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