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

Measured User Correlation in Outdoor to Indoor Massive MIMO Scenarios, S. Pratschner, IEEE Access 2020

Preamble-Based Channel Estimation for OQAM/FBMC Systems with Delay Diversity, W. Liu, IEEE TWC 2020

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

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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 utilizing non-orthogonal multiple access (NOMA) techniques.

Recent publication highlights

Low-Complexity Detection of Uplink NOMA by Exploiting Properties of the Propagation Channel, B. Tahir, ICC 2020

Channel Rank Analysis of an Outdoor-to-Indoor Massive MIMO Measurement, D. Schützenhöfer, SPAWC 2020

Relay Selection and Coverage Analysis of Relay Assisted V2I Links in Microcellular Urban Networks, B. R. Elbal, WCNC 2020

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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

Cluster Formation in Scalable Cell-free Massive MIMO Networks, C. F. Mendoza, WiMob CWN 2020

Low-dimensional Representation Learning for Wireless CSI-based Localisation, A. Salihu, WiMob 2020

Performance Analysis of Beam-Switching using One-dimensional Antenna Arrays, M. Lobinger, K. Niederwanger, ICMIM 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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