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Ricean K-factor estimation and investigation of urban wireless measurements
KTH, School of Electrical Engineering (EES), Signal Processing.
KTH, School of Electrical Engineering (EES), Signal Processing.ORCID iD: 0000-0002-2718-0262
KTH, School of Electrical Engineering (EES), Signal Processing.
2012 (English)In: 2012 IEEE International Conference on Wireless Information Technology and Systems, ICWITS 2012, IEEE , 2012, 6417686- p.Conference paper, Published paper (Refereed)
Abstract [en]

We consider the problem of estimating the K-factor of a Ricean fading wireless channel based on observations of the envelope only. An approximate Ricean power density function (pdf) is introduced to enable the derivation of a closed-form maximum-likelihood K-factor estimator. A further improved estimator is also proposed, featuring less bias and variance than the first one. The latter estimator outperforms closed form estimators found in the literature especially for low number of samples and/or large K-values. The estimator is applied to real wireless macro-cell urban-area measurements.

Place, publisher, year, edition, pages
IEEE , 2012. 6417686- p.
Keyword [en]
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National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-105864DOI: 10.1109/ICWITS.2012.6417686ISI: 000314775300019Scopus ID: 2-s2.0-84874223522ISBN: 978-146730948-6 (print)OAI: oai:DiVA.org:kth-105864DiVA: diva2:572613
Conference
2012 IEEE International Conference on Wireless Information Technology and Systems, ICWITS 2012; Maui, HI; 11 November 2012 through 16 November 2012
Note

QC 20130116

Available from: 2012-11-28 Created: 2012-11-28 Last updated: 2013-03-14Bibliographically approved

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Händel, Peter

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CiteExportLink to record
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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