Search for dissertations about: "MIMO"

Showing result 1 - 5 of 163 swedish dissertations containing the word MIMO.

  1. 1. Wireless Channel Modeling and Reconstruction in Massive MIMO Systems

    University dissertation from Univeristy of Otago

    Author : Aleksei Fedorov; Lunds universitet.; Lund University.; [2019]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; channel modeling; 5G; 4G; LTE; MIMO; massive MIMO; localization; channel reconstruction; channel prediction; channel estimation; pilot contamination; phase noise; antenna array; orientation reconstruction; orientation estimation; channel inference; 3D channel modeling; realistic channel modeling; phase shifting; RACH synchronization; massive MIMO emulation; location estimation; system identification;

    Abstract : The past few years have witnessed dramatic growth in the number of wirelessly connected devices, which will continue to increase in the future. Following this trend, the capacity of the wireless networks has been enhanced to provide high-quality service to tens of billions of devices. READ MORE

  2. 2. High-End Performance with Low-End Hardware Analysis of Massive MIMO Base Station Transceivers

    University dissertation from Linköping : Linköping University Electronic Press

    Author : Christopher Mollén; Linköpings universitet.; Linköpings universitet.; [2017]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Beamforming; distortion; massive MIMO; MIMO; nonlinear hardware; peak-to-average ratio;

    Abstract : Massive MIMO (multiple-input–multiple-output) is a multi-antenna technology for cellular wireless communication, where the base station uses a large number of individually controllable antennas to multiplex users spatially.  This technology can provide a high spectral efficiency. READ MORE

  3. 3. Efficient Processing and Storage for Massive MIMO Digital Baseband

    University dissertation from Department of Electrical and Information Technology, Lund University

    Author : Yangxurui Liu; Lunds universitet.; Lund University.; Lunds universitet.; Lund University.; [2018]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; digital signal processor; baseband processing; parallel memories; data compression; channel sparsity; Reconfigurable computing; QR decomposition; resource scheduling; massive MIMO; MIMO; DVFS;

    Abstract : Driven by the increasing demands on data rate from applications, the wireless communication standard has for decades been evolving approximately at a pace of one generation per ten years. Following this trend, the ambitious plan to replace the current cellular mobile network standard (4G) with the next generation standard (5G) is going through the standardization phase and is getting close to its actual deployment. READ MORE

  4. 4. MIMO Decoding Algorithm and Implementation

    University dissertation from Department of Electroscience, Lund University

    Author : Zhan Guo; Lunds universitet.; Lund University.; [2005]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Telecommunication engineering; Elektronik; Electronics; Signalbehandling; Signal processing; ASIC; VLSL; MIMO; Sphere Decoder; Telekommunikationsteknik; Electrical engineering; Elektroteknik;

    Abstract : Multi-Input Multi-Output system has been one of the hot technologies for future wireless communications, since it can increase the capacity (coverage or link quality in other senses) at no cost in frequency spectrum. This doctoral thesis investigates improvements to MIMO decoding algorithms and presents VLSI implementation results. READ MORE

  5. 5. MIMO Channels - Measurements and Analysis

    University dissertation from Tryckeriet i E-huset, Lunds universitet

    Author : Peter Almers; Lunds universitet.; Lund University.; [2007]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Signalbehandling; Telecommunication engineering; Telekommunikationsteknik; Electrical engineering; Elektroteknik; Signal processing; Teknik; Capacity; Technological sciences; Spatial-multiplexing; Diversity; Measurements; MIMO; Wireless; Communications;

    Abstract : Providing increased transmission speed, quality and an efficient spectrum utilization is crucial for high speed wireless services of today and the future. This thesis is a collection of papers that address an important step in that direction -- the utilization of the spatial domain of the wireless channel. READ MORE