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Impact of Three-Dimensional Indoor Environment on the Performance of Ultra-Dense Wireless Networks
KTH, School of Information and Communication Technology (ICT).
2014 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

With rapidly increasing traffic demand, it is expected that ultra-dense wireless access networks are deployed in many buildings in a near future. Performance evaluation of in-building ultra-dens networks is thus of profound importance. Buildings consist of walls and floors in three-dimensional environments, and the walls and floors attenuate the radio propagation. However, previous studies on the performance evaluation of wireless networks have mainly focused on open areas with an assumption of two-dimensional environments.

 In this thesis, we investigate the effects of walls and floors on the performance of user data rate when wireless access networks are densely deployed inside a building. We assume a building of a typical shape, and perform Monte Carlo simulations with multiple configurations of different wall and floor losses as well as different sets of numbers of users and base stations per floor. Numerical results indicate that penetration loss due to walls and floors can increase the data rate of both average and five-percentile users, as this tends to better isolate a given base station and its connected users from the signals of others. We also observe that increasing the number of indoor base stations does not necessarily improve received user data rate because the number of users is limited

Place, publisher, year, edition, pages
2014. , 54 p.
TRITA-ICT-EX, 2014:43
National Category
Computer and Information Science
URN: urn:nbn:se:kth:diva-153773OAI: diva2:753663
Subject / course
Communications Systems
Educational program
Master of Science -Communication Systems
Available from: 2014-10-08 Created: 2014-10-08 Last updated: 2014-10-08Bibliographically approved

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