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Muting pattern strategy for positioning in cellular networks.
Linköping University, Department of Computer and Information Science, Artificial Intelligence and Integrated Computer Systems.
2017 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Location Based Services (LBS) calculate the position of the user for different purposes like advertising and navigation. Most importantly, these services are also used to help emergency services by calculating the position of the person that places the emergency phone call. This has introduced a number of requirements on the accuracy of the measurements of the position. Observed Time Difference of Arrival (OTDOA) is the method used to estimate the position of the user due to its high accuracy. Nevertheless, this method relies on the correct reception of so called positioning signals, and therefore the calculations can suffer from errors due to interference between the signals. To lower the probability of interference, muting patterns can be used. These methods can selectively mute certain signals to increase the signal to interference and noise ratio (SINR) of others and therefore the number of signals detected. In this thesis, a simulation environment for the comparison of the different muting patterns has been developed. The already existing muting patterns have been simulated and compared in terms of number of detected nodes and SINR values achieved. A new muting pattern has been proposed and compared to the others. The results obtained have been presented and an initial conclusion on which of the muting patterns offers the best performance has been drawn.

Place, publisher, year, edition, pages
2017. , p. 65
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:liu:diva-138767ISRN: LIU-IDA/LITH-EX-A--17/018--SEOAI: oai:DiVA.org:liu-138767DiVA, id: diva2:1114262
External cooperation
Ericsson
Subject / course
Computer science
Presentation
2017-06-05, Alan Turing, 13:00 (English)
Supervisors
Examiners
Projects
muting, patterns, location, networks, OTDOA, LTE, PCIAvailable from: 2017-07-02 Created: 2017-06-22 Last updated: 2017-07-02Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Output format
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