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On diversity combining with unknown channel state information and unknown noise variance
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-9307-484X
2010 (English)In: IEEE Wireless Communications and Networking Conference, 2010, Vol. WCNCConference paper, Published paper (Refereed)
Abstract [en]

We derive detection metrics for soft-output diversity combining for the case of imperfect channel state information at the receiver. We treat in particular the case when the noise variance at the receiver is unknown. We contrast conventional training-based methods to a detector based on the generalized likelihood-ratio (GLR) test paradigm. We study the performance of the detectors via EXIT chart analysis and via simulations of LDPC coded transmission over a fast Rayleigh fading channel. The results show that the GLR receivers can significantly outperform the conventional detectors. ᅵ2010 IEEE.

Place, publisher, year, edition, pages
2010. Vol. WCNC
Keyword [en]
Coded transmission, Conventional detectors, Diversity combining, EXIT chart analysis, Fast Rayleigh fading, Imperfect channel state information, Noise variance, Soft output, Unknown channel, Channel state information, Communication channels (information theory), Detectors, Fading channels, Rayleigh fading, Spurious signal noise, Wireless networks
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-30311DOI: 10.1109/WCNC.2010.5506707Scopus ID: 2-s2.0-77955034247OAI: oai:DiVA.org:kth-30311DiVA: diva2:404681
Conference
IEEE Wireless Communications and Networking Conference 2010, WCNC 2010; Sydney, NSW; 18 April 2010 through 21 April 2010
Note

QC 20110318

Available from: 2011-03-18 Created: 2011-02-23 Last updated: 2016-05-23Bibliographically approved

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Thobaben, Ragnar

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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