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Improved Implementation Approaches for 512-tap 60 GSa/s Chromatic Dispersion FIR Filters
Linköping University, Department of Electrical Engineering, Computer Engineering. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Electrical Engineering. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Electrical Engineering, Computer Engineering. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0003-3470-3911
Linköping University, Department of Electrical Engineering, Computer Engineering. Linköping University, Faculty of Science & Engineering.
2018 (English)In: 2018 CONFERENCE RECORD OF 52ND ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS, AND COMPUTERS, IEEE , 2018, p. 213-217Conference paper, Published paper (Refereed)
Abstract [en]

In optical communication the non-ideal properties of the fibers lead to pulse widening from chromatic dispersion. One way to compensate for this is through digital signal processing. In this work, two architectures for compensation are compared. Both are designed for 60 GSa/s and 512 filter taps and implemented in the frequency domain using FFTs. It is shown that the high-speed requirements introduce constraints on possible architectural choices. In this work, it is shown that it is not required to use two overlapping FFTs to obtain continuous filtering. In addition, efficient highly parallel implementation of FFTs is discussed and an unproved FFT compared to our earlier work is proposed. The results are compared to using an approach with a shorter FFT and FIR filters.

Place, publisher, year, edition, pages
IEEE , 2018. p. 213-217
Series
Conference Record of the Asilomar Conference on Signals Systems and Computers, ISSN 1058-6393
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:liu:diva-158404DOI: 10.1109/ACSSC.2018.8645430ISI: 000467845100037ISBN: 978-1-5386-9218-9 (electronic)OAI: oai:DiVA.org:liu-158404DiVA, id: diva2:1332814
Conference
52nd Asilomar Conference on Signals, Systems, and Computers
Available from: 2019-06-28 Created: 2019-06-28 Last updated: 2019-06-28

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Bae, CheolyongGokhale, MadhurGustafsson, OscarGarrido Gálvez, Mario
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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