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A variable-rate Vit...
A variable-rate Viterbi decoder in 130-nm CMOS: design, measurements, and cost of flexibility
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- Kamuf, Matthias (författare)
- Lund University,Lunds universitet,Institutioner vid LTH,Lunds Tekniska Högskola,Departments at LTH,Faculty of Engineering, LTH
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- Öwall, Viktor (författare)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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- Rodrigues, Joachim (författare)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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- Anderson, John B (författare)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- 2008
- 2008
- Engelska 5 s.
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Ingår i: Proceedings, Norchip Conference. ; , s. 137-141
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Abstract
Ämnesord
Stäng
- This paper discusses design and measurements of a flexible Viterbi decoder fabricated in 130-nm digital CMOS. Flexibility was incorporated by providing various code rates and modulation schemes to adjust to varying channel conditions. Based on previous trade-off studies, flexible building blocks were carefully designed to cause as little area penalty as possible. The chip runs down to a minimal core supply of 0.8V. It turns out that striving for more modulation schemes is beneficial in terms of power consumption once the price is paid for accepting different code rates viz. radices in the trellis and survivor path units.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- Viterbi decoder
- CMOS
- flexible chips
- integrated circuits
Publikations- och innehållstyp
- kon (ämneskategori)
- ref (ämneskategori)