Projects

Module 1: PHY Enhancements (Nokia)

The focus of this research module is on the optimization of orthogonal and non-orthogonal multicarrier transmissions, and on spatially consistent channel characterization and modeling for (distributed) massive MIMO systems.

Recent publication highlights

Investigation of Optimal MCS and Subcarrier Spacing in MBSFN Systems, K. Kirev, WSA 2020

A Spatially Consistent MIMO Channel Model With Adjustable K Factor, S. Pratschner, IEEE Access, 2019

Assessment and Comparison of Multicarrier Waveforms Under Nonlinear Conditions, K. Kirev, WSA 2019

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Main research directions
  • Orthogonal and non-orthogonal multicarrier transmissions (OFDM, UFMC, FBMC)
  • Multicarrier numerology optimization
  • Full-dimension (distributed) massive MIMO
  • Spatially consistent channel modeling

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Module 2: Innovative Technologies (A1)

The focus of this research module is on millimeter wave transmissions, as well as, on cellular assisted vehicular communications untilizing non-orthogonal multiple access (NOMA) techniques.

Recent publication highlights

Constructing Grassmannian Frames by an Iterative Collision-Based Packing, B. Tahir, IEEE SPL, 2019

Experimental Evaluation of the Influence of Fast Movement on Virtual Antenna Arrays, D. Schützenhöfer, WSA 2019

Coverage Analysis of Relay Assisted V2I Communication in Microcellular Urban Networks, B. R. Elbal, EUSIPCO 2019

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Main research directions
  • Cellular-assisted vehicular communications
  • mmWave transmissions
  • Non-orthogonal multiple access (NOMA)
  • MIMO experimentation

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Module 3: Location Awareness (ÖBB Infra)

The focus of this research module is on applying machine learning techniques for user localization, as well as, on location-aware optimization of self-organizing networks and cell-free massive MIMO systems.

Recent publication highlights

Dependability of directional millimeter wave vehicle-to-infrastructure communications, S. Schwarz, IEEE Access, 2020

Semi-supervised Localisation utilizing CSI at Large Antenna Array Base Stations, A. Salihu, WSA 2020

Performance Investigation of Angle of Arrival based Localization, M. Zane, WSA 2020

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Main research directions
  • Location-aware proactive and reactive capacity provisioning
  • Machine-learning based localization and crowd analysis
  • Full-dimension MIMO in railroad and vehicular communications

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Finalized Module: Network Architectures (Kathrein)

The focus of this research module is on system level analysis and optimization of large-scale wireless networks. The research work of this module was successfully concluded in March 2020.

Recent publication highlights

Performance Analysis of Repeater-Aided Millimeter Wave Urban Mobile Communication Networks, A. Nabavi, WSA 2020

Investigation of Wraparound Techniques for the Simulation of Wireless Cellular Networks, A. Fastenbauer, WSA 2019

Integration of High Speed Train Channel Measurements in System Level Simulations, M. Müller, EUSIPCO 2019

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Main research directions
  • Interference modeling and mitigation
  • System level analysis and simulations
  • Stochastic-geometric approaches

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