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Konstruktion och undersökning av effektsnåla slumptalsgeneratorer
Linköping University, Department of Electrical Engineering.
2002 (Swedish)Independent thesis Basic level (professional degree)Student thesisAlternative title
Design and examination of lowpower randombit generators (English)
Abstract [sv]

Minskad effektförbrukning har blivit mer och mer intressant i takt med att fler produkter blir mobila. I artikeln Parallel Implementation of Linear Feedback Shift Registers for Low Power Applications, beskriver Menahem Lowy en metod för att konstruera slumptalsgeneratorer. Dessa är tänkta att vara effektsnålare än en vanlig enkel slumptalsgenerator, med återkopplat skiftregister. I det här examensarbetet har sex slumptalsgeneratorer konstruerats i VHDL. Två är baserade på Lowy’s metod och två är parallella varianter av dessa. Dessutom har en seriell slumptalsgenerator med återkopplat skiftregister och en parallell variant konstruerats som jämförelse. Dessa slumptalsgeneratorer har simulerats med avseende på effektförbrukningen. Detvisar sig att den bästa slumptalsgeneratorn, räknat i effekt per bit, är den parallella varianten av slumptalsgeneratorn med återkopplat skiftregister.

Abstract [en]

Reduced power consumption have become more and more of interest as more products are becoming mobile. In the article Implementation of Linear Feedback Shift Registers for Low Power Applications, Menahem Lowy describes a method of designing randombit-generators. In this project, six random bit-generators have been designed in VHDL. Two of these are based on Lowy’s method, and two are parallel variants of these. In addition, a serial feedback shift register and a parallel variant of it, have been designed for comparison. These randombit- generators have then been simulated with respect to the power consumption. It turnes out that the best randombit-generator, considering the effect per bit, is the parallel variant of the feedback shift register.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2002. , 27 p.
Series
LiTH-ISY-Ex-ET, 0250
Keyword [en]
Electronics, slumptal, slumptalsgenerator, effekt
Keyword [sv]
Elektronik
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-1415OAI: oai:DiVA.org:liu-1415DiVA: diva2:18739
Uppsok
teknik
Available from: 2003-03-10 Created: 2003-03-10

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CiteExportLink to record
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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