Reference : Correlation properties of large scale fading based on Indoor measurements
Scientific congresses, symposiums and conference proceedings : Paper published in a journal
Engineering, computing & technology : Computer science
Engineering, computing & technology : Electrical & electronics engineering
http://hdl.handle.net/10993/43415
Correlation properties of large scale fading based on Indoor measurements
English
Jaldén, Niklas [> >]
Hong, Aihua [> >]
Zetterberg, Per [> >]
Ottersten, Björn mailto [KTH Royal Institute of Technoloy]
Thomä, Peiner [> >]
2007
IEEE Wireless Communications and Networking Conference (WCNC)
Yes
IEEE Wireless Communications and Networking Conference (WCNC)
April 2007
[en] Statistical channel models are attractive for their simplicity but sometimes lack in precision. In 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.
http://hdl.handle.net/10993/43415

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