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Lower bounds on the L2-norms of digital resampling filters with zero-valued input samples
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering.
2016 (English)In: 2016 IEEE International Conference on Acoustics, Speech,and Signal Processing: Proceedings, Institute of Electrical and Electronics Engineers (IEEE), 2016, 4533-4537 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper derives lower bounds on the L2-norms of digital resampling filters with zero-valued input samples. This emanates from uniform-grid sampling but where some of the samples are missing. One application is found in time-interleaved analog-to-digital converters with missing samples due to calibration at certain time instances. The square of the L2-norms correspond to scaling of the round-off noise that in practice is always present at the input of the resampling filter. As will be shown through the derived bounds, the L2-norm of the corresponding filter that recovers the missing samples is generally much larger than unity. Consequently, the noise variance is generally much larger for the recovered samples than for the other samples obtained in the sampling process. Based on this observation, the paper also proposes an alternative resampling scheme for which the maximum of all L2-norms in the resampling is reduced.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2016. 4533-4537 p.
Series
IEEE International Conference on Acoustics, Speech and Signal Processing. Proceedings, ISSN 1520-6149 (print), 2379-190X (online)
Keyword [en]
time-interleaved ADCs, L2-norms, missing samples, nonuniform sampling, resampling
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:liu:diva-131487DOI: 10.1109/ICASSP.2016.7472535ISI: 000388373404136ISBN: 978-1-4799-9988-0 (print)ISBN: 978-1-4799-9987-3 (print)OAI: oai:DiVA.org:liu-131487DiVA: diva2:973955
Conference
Signal and information processing: the heartbeat of a smart society - The 41st International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2016), Shanghai, China, March 20-25, 2016
Available from: 2016-09-23 Created: 2016-09-23 Last updated: 2017-01-11Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
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