Indoor positioning in LTE networks

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Dr. Imre Sándor
Department of Networked Systems and Services


I got familiar with mobile telecommunications before I decided to choose infocommunications specialisation of the Bachelor Computer Engineer studies. That was so interesting for me that I would like to work in such position even after graduating from university. Mobile communication has always been an exciting topic for me, but being more specific, the operation of the core network and the positioning of mobile devices were my favourite fields. At my current job I deal with the operation of the IT network, so I thought that it would be more useful for me to choose the topic of positioning in my thesis. That option happened and I was dealing with LTE user equipment positioning during my Project Laboratory as well. In that time, I looked at more in detail about mobile networks and already used positioning methods. After completing the subject, I was thinking a lot about my thesis. Finally, I came to the conclusion that positioning could be further refined by fixed-point signal transmitters. My consultant advised me to work out a possible solution for indoor positioning.

The point of this solution is to speed up UE positioning and increase accuracy within buildings. For this, simple and relatively cheap signal transmitters need to be installed in buildings, which are used by the mobile device to identify its own position. In this document, I worked out a possible theory and I also analysed the efficiency of the theory in a self-developed software.


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