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Correlation properties of large scale fading based on indoor measurements
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0003-2298-6774
Institute for Information Technology Technische Universit¨at Ilmenau PSF 100 565, D-98684 Ilmenau, Germany.
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2007 (English)In: 2007 IEEE WIRELESS COMMUNICATIONS & NETWORKING CONFERENCE, VOLS 1-9, NEW YORK: IEEE , 2007, 1894-1899 p.Conference paper, Published paper (Refereed)
Abstract [en]

Statistical channel models are attractive for their simplicity but sometimes lack in precision. In order to improve modelling accuracy, statistical model parameters, which are dependent on the environment, are extended to include spatial and temporal correlation. In outdoor scenarios these parameters are assumed constant over '' large '' areas of several wavelengths hence the name large scale parameters. This paper studies the large scale fading (LSF) and the applicability of bringing this previously used outdoor variable to the indoor case. The impacts of the model of the LSF on the outdoor system-performance have been studied and several relevant models have been proposed for outdoor cases. We present the intra-site autocorrelation as well as the inter-site cross correlation of the LSF for an indoor channel. The results are based on two separate measurement campaigns conducted at KTH, Stockholm and TUI, Ilmenau, using a single mobile station (MS) and multiple base stations (BSs) to investigate such models. We observe that the areas under which the LSF could be assumed constant are, in indoor scenarios, so small that it can be assumed independent from one local area to another. Furthermore, we find results that point towards the existence of inter-site correlation in some specific scenarios.

Place, publisher, year, edition, pages
NEW YORK: IEEE , 2007. 1894-1899 p.
Series
IEEE Wireless Communications and Networking Conference, ISSN 1525-3511
Keyword [en]
Base stations, Computer simulation, Fading channels, Mathematical models
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-34929DOI: 10.1109/WCNC.2007.355ISI: 000252337103077Scopus ID: 2-s2.0-84901731655ISBN: 978-1-4244-0658-6 (print)OAI: oai:DiVA.org:kth-34929DiVA: diva2:428807
Conference
IEEE Wireless Communications and Networking Conference Hong Kong, PEOPLES R CHINA, MAR 11-15, 2007
Available from: 2011-07-01 Created: 2011-06-17 Last updated: 2012-01-23Bibliographically approved

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Ottersten, Björn

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