Search Results - "Zemen, Thomas"

Delay and Doppler Spreads of Nonstationary Vehicular Channels for Safety-Relevant Scenarios by Bernado, Laura, Zemen, Thomas, Tufvesson, Fredrik, Molisch, Andreas F., Mecklenbrauker, Christoph F.

“…Vehicular communication channels are characterized by a nonstationary time-frequency-selective fading process due to rapid changes in the environment. The…”
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Vehicular Channel Characterization and Its Implications for Wireless System Design and Performance by Mecklenbrauker, Christoph F., Molisch, Andreas F., Karedal, Johan, Tufvesson, Fredrik, Paier, Alexander, Bernado, Laura, Zemen, Thomas, Klemp, Oliver, Czink, Nicolai

“…To make transportation safer, more efficient, and less harmful to the environment, traffic telematics services are currently being intensely investigated and…”
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Towards Cell-Free Massive MIMO: A Measurement-Based Analysis by Loschenbrand, David, Hofer, Markus, Bernado, Laura, Zelenbaba, Stefan, Zemen, Thomas

“…Cell-free widely distributed massive multiple-input multiple-output (MIMO) systems utilize radio units spread out over a large geographical area. The radio…”
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A geometry-based stochastic MIMO model for vehicle-to-vehicle communications by Karedal, J., Tufvesson, F., Czink, N., Paier, A., Dumard, C., Zemen, T., Mecklenbrauker, C.F., Molisch, A.F.

“…Vehicle-to-vehicle (VTV) wireless communications have many envisioned applications in traffic safety and congestion avoidance, but the development of suitable…”
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Real-Time Vehicular Wireless System-Level Simulation by Dakic, Anja, Hofer, Markus, Rainer, Benjamin, Zelenbaba, Stefan, Bernado, Laura, Zemen, Thomas

“…Future automation and control units for advanced driver assistance systems (ADAS) will exchange sensor and kinematic data with nearby vehicles using wireless…”
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Position-Specific Statistics of 60 GHz Vehicular Channels During Overtaking by Zochmann, Erich, Hofer, Markus, Lerch, Martin, Pratschner, Stefan, Bernado, Laura, Blumenstein, Jiri, Caban, Sebastian, Sangodoyin, Seun, Groll, Herbert, Zemen, Thomas, Prokes, Ales, Rupp, Markus, Molisch, Andreas F., Mecklenbrauker, Christoph F.

“…The time-variant vehicle-to-vehicle radio propagation channel in the frequency band from 59.75 to 60.25 GHz has been measured in an urban street in the city…”
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Characterizing the 80 GHz Channel in Static Scenarios: Diffuse Reflection, Scattering, and Transmission Through Trees Under Varying Weather Conditions by Zavorka, Radek, Mikulasek, Tomas, Vychodil, Josef, Blumenstein, Jiri, Chandra, Aniruddha, Hammoud, Hussein, Kelner, Jan M., Ziolkowski, Cezary, Zemen, Thomas, Mecklenbrauker, Christoph, Prokes, Ales

“…The deployment of wireless systems in millimeter wave relies on a thorough understanding of electromagnetic wave propagation under various weather conditions…”
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Scatterer Identification by Atomic Norm Minimization in Vehicular mm-Wave Propagation Channels by Groll, Herbert, Gerstoft, Peter, Hofer, Markus, Blumenstein, Jiri, Zemen, Thomas, Mecklenbrauker, Christoph F.

“…Sparse scatterer identification with atomic norm minimization (ANM) techniques in the delay-Doppler domain is investigated for a vehicle-to-infrastructure…”
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Multi-Node Vehicular Wireless Channels: Measurements, Large Vehicle Modeling, and Hardware-in-the-Loop Evaluation by Zelenbaba, Stefan, Rainer, Benjamin, Hofer, Markus, Loschenbrand, David, Dakic, Anja, Bernado, Laura, Zemen, Thomas

“…Understanding multi-node vehicular wireless communication channels is crucial for future time-sensitive safety applications for human-piloted as well as partly…”
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Corrections to "Real-Time Vehicular Wireless System-Level Simulation" by Dakic, Anja, Hofer, Markus, Rainer, Benjamin, Zelenbaba, Stefan, Bernado, Laura, Zemen, Thomas

“…In the above article <xref ref-type="bibr" rid="ref1">[1] , we discovered an error in the specific version of the AIT real-time channel emulator <xref…”
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Characterization of Non-Stationary Channels Using Mismatched Wiener Filtering by Ispas, A., Dorpinghaus, M., Ascheid, G., Zemen, T.

“…A common simplification in the statistical treatment of linear time-varying (LTV) wireless channels is the approximation of the channel as a stationary random…”
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Orthogonally Precoded Massive MIMO for High Mobility Scenarios by Zemen, T., LOSCHENBRAND, D., Hofer, M., Pacher, C., Rainer, B.

“…Massive multiple-input multiple-output (MIMO) systems are of high interest for ultrareliable low-latency communication (URLLC) links. They provide channel…”
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In-Vehicle mm-Wave Channel Model and Measurement by Blumenstein, Jiri, Mikulasek, Tomas, Marsalek, Roman, Prokes, Ales, Zemen, Thomas, Mecklenbräuker, Christoph

“…This contribution documents and discusses recent wideband radio channel measurements carried out in the intra-vehicle environment. Channels in the…”
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Validation of the Decomposition Method for Fast MIMO Over-the-Air Measurements by von Gagern, Christoph, Tankielun, Adam, Gadringer, Michael, Zemen, Thomas, Auinger, Bernhard, Bösch, Wolfgang

“…Over-the-air (OTA) throughput tests of wireless Multiple-Input Multiple-Output (MIMO) devices are an important tool for network operators and manufacturers…”
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Low-Complexity Geometry-Based MIMO Channel Simulation by Kaltenberger, Florian, Zemen, Thomas, Ueberhuber, Christoph W.

“…The simulation of electromagnetic wave propagation in time-variant wideband multiple-input multiple-output mobile radio channels using a geometry-based channel…”
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A Time-Variant MIMO Channel Model Directly Parametrised from Measurements by Czink, Nicolai, Zemen, Thomas, Nuutinen, Jukka-Pekka, Ylitalo, Juha, Bonek, Ernst

“…This paper presents the Random-Cluster Model (RCM), a stochastic time-variant, frequency-selective, propagation-based MIMO channel model that is directly…”
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Wireless 5G ultra reliable low latency communications by Zemen, Thomas

“…5G standardization and research progresses at full speed on a worldwide scale. In this article we describe the architecture of future 5G systems, their use…”
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Spectral Efficiency of Time-Variant Massive MIMO Using Wiener Prediction by Loschenbrand, David, Hofer, Markus, Zemen, Thomas

“…Massive multiple-input multiple-output (MIMO) serves as technological pillar in current 5G deployments. The spectral efficiency (SE) reduction due to…”
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Real-Time Geometry-Based Wireless Channel Emulation by Hofer, Markus, Xu, Zhinan, Vlastaras, Dimitrios, Schrenk, Bernhard, Loschenbrand, David, Tufvesson, Fredrik, Zemen, Thomas

“…Connected autonomous vehicles and industry 4.0 production scenarios require ultrareliable low-latency communication links. The varying positions of…”
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A Time-Variant MIMO Channel Model Directly Parametrised from Measurements by Czink, Nicolai, Zemen, Thomas, Nuutinen, Jukka-Pekka, Ylitalo, Juha, Bonek, Ernst

“…This paper presents the Random-Cluster Model (RCM), a stochastic time-variant, frequency-selective, propagation-based MIMO channel model that is directly…”
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