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Ultra Low Power Hardware for Computing Squared Euclidean Distances
Department of Electrical and Information Technology, Lund University, Lund, Sweden.
Lund University, Lund, Sweden.ORCID iD: 0000-0003-4828-7488
2011 (English)In: 2011 20th European Conference on Circuit Theory and Design (ECCTD), Piscataway, NJ: IEEE Press, 2011, p. 580-583Conference paper, Published paper (Refereed)
Abstract [en]

Computing Euclidean Distances is a very important operation in digital communication, especially in the case of trellis coded modulation, where it is used numerously. This paper shows that a substantial reduction in complexity can be achieved in hardware processing elements for computing Euclidean Distances. A reduction in complexity down to 39% is shown compared to traditional designs. The paper also shows that the optimized design can be done completely ripple free, which leads to a reduction of the critical path to far more than half. The reduction in complexity leads to a reduction in power consumption. The ripple free design also leads to lower power consumption for two reasons: the rippling in itself leads to unnecessary glitches, which costs power and the shorter critical path enables a lower supply voltage, which reduces the power consumption as well. © 2011 IEEE.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Press, 2011. p. 580-583
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hh:diva-22320DOI: 10.1109/ECCTD.2011.6043600Scopus ID: 2-s2.0-80155192288Libris ID: 12344509ISBN: 978-1-4577-0617-2 (print)ISBN: 978-1-4577-0616-5 (print)OAI: oai:DiVA.org:hh-22320DiVA, id: diva2:623023
Conference
20th European Conference on Circuit Theory and Design (ECCTD 2011), August 29-31, Linköping, Sweden
Funder
VINNOVASwedish Foundation for Strategic Research
Note

This work has been supported by the Swedish VINNOVA Industrial Excellence Center – System Design on Silicon and Wireless Communication for Ultra Portable Devices – Swedish Foundation for Strategic Research (SSF).

Available from: 2013-05-24 Created: 2013-05-24 Last updated: 2018-03-22Bibliographically approved

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CiteExportLink to record
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