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Intelligent Beam Weight Computation for Massive Beamforming
Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för tillämpad signalbehandling.
Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för tillämpad signalbehandling.
2017 (engelsk)Independent thesis Advanced level (degree of Master (Two Years)), 20 poäng / 30 hpOppgave
Abstract [en]

LTE (Long Term Evolution) is likely the most complex wireless system ever developed. It incorporates features that could not have been economically implemented as recently as a decade ago. Today, with large-scale ICs, LTE can be easily accommodated in base stations and battery-powered handsets alike. LTE-Advanced is the upgraded version of LTE technology for providing more speed and greater reliability.

In this report, the wireless communication between the user and base station is implemented by creating 4G LTE environment in MATLAB. Impact of Coherence time on beam weight computation varies for different delay profiles. Moreover, SNR of the transmitted signal varies significantly by the time gap between two successive uplink frames in TDD configuration. In this report, computationally efficient algorithm for reducing beam weight computations in system level LTE simulations is proposed.

The wireless channel is modelled in both Rician and Rayleigh fading channel. Efficiency of beam forming algorithms is observed at different channel conditions like delay profile, fading channel, bandwidth, correlation, modulation technique.

The MUSIC algorithm is implemented for detecting the movement of the users in Line of sight condition

sted, utgiver, år, opplag, sider
2017.
HSV kategori
Identifikatorer
URN: urn:nbn:se:bth-15181OAI: oai:DiVA.org:bth-15181DiVA, id: diva2:1144226
Eksternt samarbeid
Ericsson, Lund
Fag / kurs
ET2566 Master's Thesis (120 credits) in Electrical Engineering with emphasis on Signal processing
Utdanningsprogram
ETASX Master of Science Programme in Electrical Engineering with emphasis on Signal Processing
Presentation
2017-06-12, J3423 Aristoteles, Blekinge Institute of Technology, Karlskrona, 14:00 (engelsk)
Veileder
Examiner
Tilgjengelig fra: 2017-11-21 Laget: 2017-09-25 Sist oppdatert: 2017-11-21bibliografisk kontrollert

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