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On the expected rate of slowly fading channels with quantized side information
KTH, School of Electrical Engineering (EES), Communication Theory.
KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0002-7926-5081
2005 (English)In: 2005 39th Asilomar Conference on Signals, Systems and Computers, NEW YORK: IEEE , 2005, 633-637 p.Conference paper, Published paper (Refereed)
Abstract [en]

A multiple-layer variable-rate system employing quantized feedback to maximize the expected rate over slowly fading channels is studied. The transmitter utilizes partial channel-state information, obtained via an optimized resolution-constrained feedback link, to adapt the power and to assign code layer rates, under different power constraints. We develop an iterative algorithm to optimize the system parameters, which successfully exploits results from the study of parallel broadcast channels. Unlike in the ergodic case, even coarsely quantized feedback improves the expected rate considerably. Our results indicate that with as few as one bit of feedback information, the role of multi-layer coding reduces significantly.

Place, publisher, year, edition, pages
NEW YORK: IEEE , 2005. 633-637 p.
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-29006DOI: 10.1109/ACSSC.2005.1599827ISI: 000238142000121Scopus ID: 2-s2.0-33847635291ISBN: 1-4244-0131-3 (print)OAI: oai:DiVA.org:kth-29006DiVA: diva2:395077
Conference
39th Asilomar Conference on Signals, Systems and Computers Pacific Grove, CA, OCT 30-NOV 02, 2005
Note
QC 20110204Available from: 2011-02-04 Created: 2011-01-25 Last updated: 2011-12-19Bibliographically approved

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Skoglund, Mikael

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CiteExportLink to record
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Citation style
  • apa
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  • modern-language-association-8th-edition
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  • de-DE
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  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf