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Evolution of 3D User Distribution Models in Real Network Simulator
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Signals and Systems Group.
2010 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The report treats the development and evaluation of a three dimensional user distribution model for a real network simulator. The simulator is used to create realistic predictions of real networks with the use of high resolution maps including a building data base and network data and also an advanced radio model for LTE. Previously all simulations have been performed with a two dimensional user distribution, i.e. all users situated on the ground level. Since it is considered plausible that many LTE users will be indoors in buildings with multiple floors, several three dimensional user distribution models with users not only on the ground floor but also on the higher floors has been developed and implemented in the simulator. The models all account for the change in path loss and SINR to be expected and have been compared in computational time and credibility. The simulations show that by the use of such a three dimensional model there is a significant improvement at low loads but at high loads the interference becomes dominant and the results show a deterioration and approaches the results of the ordinary two dimensional model. The seventh and last model to be investigated shows a desirable computational speed that still does not compromise too much with the accuracy and detailing of the model and is therefore recommended for normal use.

Place, publisher, year, edition, pages
2010. , p. 83
Series
UPTEC F, ISSN 1401-5757 ; 10068
Keywords [en]
wave propagation, outdoor-to-indoor, height dependence
Identifiers
URN: urn:nbn:se:uu:diva-139415OAI: oai:DiVA.org:uu-139415DiVA, id: diva2:381113
Uppsok
Technology
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Examiners
Available from: 2010-12-23 Created: 2010-12-23 Last updated: 2010-12-23Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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Output format
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