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Non-Causal Delayless Subband Adaptive Equalizer
Responsible organisation
2002 (English)Conference paper, (Refereed) Published
Abstract [en]

In wireless communication, multiple versions of the transmitted signals arrive at the receiver with different attenuations and time delays. Thus, an equalizer with long filter is required at the receiver to reverse the multipath effects. In this paper, a new non-causal delayless subband equalizer structure is proposed to reduce the computational complexity of the equalizer and to improve the channel tracking capability. This structure avoids the additional delays usually associated with the subband schemes. A design method is formulated to minimize the aliasing effect of the filter bank in the subbands. The significance of employing a non-causal equalizer is also emphasized. Simulation results show that the performance of the new structure is significantly improved by using the design method. Moreover, the complexity of the new subband equalizer is a fraction of the equivalent fullband at the expense of small degradation in the performance.

Place, publisher, year, edition, pages
Orlando: IEEE , 2002.
Keyword [en]
adaptive equalisers, adaptive filters, channel bank filters, computational complexity, minimisation, radio receivers
National Category
Telecommunications Signal Processing
Identifiers
URN: urn:nbn:se:bth-10350Local ID: oai:bth.se:forskinfo02CA7C17222AEEF8C1256C6A004CC263ISBN: 0 7803 7402 9 (print)OAI: oai:DiVA.org:bth-10350DiVA: diva2:838461
Conference
International Conference on Acoustic, Speech and Signal processing (ICASSP'02)
Available from: 2012-09-18 Created: 2002-11-07 Last updated: 2015-06-30Bibliographically approved

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TelecommunicationsSignal Processing

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • 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