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Towards Radix-4, Parallel Interleaver Design to Support High-Throughput Turbo Decoding for Re-Configurability
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)
2010 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Parallel, radix-4 turbo decoding is used to enhance the throughput and at the same time reduce the overall memory cost. The bottleneck is the higher complexity associated with radix-4 parallel interleaver implementation. This paper addresses the implementation issues of radix-4, parallel interleaver and also proposes necessary modifications in the interleaver algorithms for parallel address generation. It presents a re-configurable architecture which enables the use of same turbo decoding core to be used for multiple standards. The proposed interleaver architecture is capable of handling the memory conflicts on-the-fly. It consumes 12.5K gates and can run at a frequency of 285MHz, thus supporting a throughput of 173.3Mpbs, which can cover most of the emerging communication standards.

Place, publisher, year, edition, pages
IEEE , 2010. 1-5 p.
Keyword [en]
Radix-4 interleaver, Parallel turbo decoding, HSPA, DVB, WiMAX, LTE
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-55305DOI: 10.1109/SARNOF.2010.5469723ISBN: 978-1-4244-5592-8 (print)OAI: oai:DiVA.org:liu-55305DiVA: diva2:315974
Conference
33rd IEEE SARNOFF Symposium, Princeton, NJ, USA
Available from: 2010-04-29 Created: 2010-04-29 Last updated: 2014-10-01

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Asghar, RizwanLiu, Dake

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • Other style
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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