7k citations · 14k across the 58 of their papers we have counts for
63 papers
Communication Technologies for Intelligent Transportation Systems: From Railways to UAVs and Beyond
Shrief Rizkalla, Adrian Kliks, Nila Bagheri +25
This white paper aims to comprehensively analyze and consolidate the state of the art in communication technologies supporting modern and future Information and Communication Techn…
Impact of Array Configuration on Head-Mounted Display Performance at mmWave Bands
Alexander Marinšek, Xuesong Cai, Lieven De Strycker +2
Immersing a user in life-like extended reality (XR) scenery using a head-mounted display (HMD) with a constrained form factor and hardware complexity requires remote rendering on a…
Stochastic Geometry Analysis of a New GSCM with Dual Visibility Regions
Anish Pradhan, Harpreet S. Dhillon, Fredrik Tufvesson +1
The geometry-based stochastic channel models (GSCM), which can describe realistic channel impulse responses, often rely on the existence of both {\em local} and {\em far} scatterer…
Propagation Modeling for Physically Large Arrays: Measurements and Multipath Component Visibility
Thomas Wilding, Benjamin J. B. Deutschmann, Christian Nelson +3
This paper deals with propagation and channel modeling for physically large arrays. The focus lies on acquiring a spatially consistent model, which is essential, especially for pos…
Large Intelligent Surface Measurements for Joint Communication and Sensing
Christian Nelson, Xuhong Li, Thomas Wilding +3
Multiple concepts for future generations of wireless communication standards utilize coherent processing of signals from many distributed antennas. Names for these concepts include…
ML-Enabled Outdoor User Positioning in 5G NR Systems via Uplink SRS Channel Estimates
Andre Ráth, Dino Pjanić, Bo Bernhardsson +1
Cellular user positioning is a promising service provided by Fifth Generation New Radio (5G NR) networks. Besides, Machine Learning (ML) techniques are foreseen to become an integr…
A Hybrid Antenna Switching Scheme for Dynamic Channel Sounding
Ali Al-Ameri, Jaeyoung Park, Juan Sanchez +2
Channel sounding is essential for the development of radio systems. One flexible strategy is the switched-array-based channel sounding, where antenna elements are activated at diff…
Experimental Validation of Single BS 5G mmWave Positioning and Mapping for Intelligent Transport
Yu Ge, Hedieh Khosravi, Fan Jiang +10
Positioning with 5G signals generally requires connection to several base stations (BSs), which makes positioning more demanding in terms of infrastructure than communications. To…
High-Precision Machine-Learning Based Indoor Localization with Massive MIMO System
Guoda Tian, Ilayda Yaman, Michiel Sandra +3
High-precision cellular-based localization is one of the key technologies for next-generation communication systems. In this paper, we investigate the potential of applying machine…
Extended FastSLAM Using Cellular Multipath Component Delays and Angular Information
Junshi Chen, Russ Whiton, Fredrik Tufvesson
Opportunistic navigation using cellular signals is appealing for scenarios where other navigation technologies face challenges. In this paper, long-term evolution (LTE) downlink si…
Fading in reflective and heavily shadowed industrial environments with large arrays
Sara Willhammar, Liesbet Van der Perre, Fredrik Tufvesson
One of the use cases for 5G systems and beyond is ultra-reliability low-latency communication (URLLC). An enabling technology for URLLC is massive multiple-input multiple-output (M…
High-Resolution Channel Sounding and Parameter Estimation in Multi-Site Cellular Networks
Junshi Chen, Russ Whiton, Xuhong Li +1
Accurate understanding of electromagnetic propagation properties in real environments is necessary for efficient design and deployment of cellular systems. In this paper, we show a…
Enhanced Effective Aperture Distribution Function for Characterizing Large-Scale Antenna Arrays
Xuesong Cai, Meifang Zhu, Aleksei Fedorov +1
Accurate characterization of large-scale antenna arrays is growing in importance and complexity for the fifth-generation (5G) and beyond systems, as they feature more antenna eleme…
Toward 6G with Terahertz Communications: Understanding the Propagation Channels
Xuesong Cai, Xiang Cheng, Fredrik Tufvesson
This article aims at providing insights for a comprehensive understanding of terahertz (THz) propagation channels. Specifically, we discuss essential THz channel characteristics to…
A Review of Indoor Millimeter Wave Device-based Localization and Device-free Sensing Technologies and Applications
Anish Shastri, Neharika Valecha, Enver Bashirov +5
The commercial availability of low-cost millimeter wave (mmWave) communication and radar devices is starting to improve the penetration of such technologies in consumer markets, pa…
Beamspace Multidimensional ESPRIT Approaches for Simultaneous Localization and Communications
Fan Jiang, Fuxi Wen, Yu Ge +3
Modern wireless communication systems operating at high carrier frequencies are characterized by a high dimensionality of the underlying parameter space (including channel gains, a…
Learning-Based UE Classification in Millimeter-Wave Cellular Systems With Mobility
Dino Pjanić, Alexandros Sopasakis, Harsh Tataria +2
Millimeter-wave cellular communication requires beamforming procedures that enable alignment of the transmitter and receiver beams as the user equipment (UE) moves. For efficient b…
LuMaMi28: Real-Time Millimeter-Wave Massive MIMO Systems with Antenna Selection
MinKeun Chung, Liang Liu, Andreas Johansson +11
This paper presents LuMaMi28, a real-time 28 GHz massive multiple-input multiple-output (MIMO) testbed. In this testbed, the base station has 16 transceiver chains with a fully-dig…
Sensing and Classification Using Massive MIMO: A Tensor Decomposition-Based Approach
B. R. Manoj, Guoda Tian, Sara Gunnarsson +2
Wireless-based activity sensing has gained significant attention due to its wide range of applications. We investigate radio-based multi-class classification of human activities us…
Sequential Detection and Estimation of Multipath Channel Parameters Using Belief Propagation
Xuhong Li, Erik Leitinger, Alexander Venus +1
This paper proposes a belief propagation (BP)-based algorithm for sequential detection and estimation of multipath component (MPC) parameters based on radio signals. Under dynamic…
Power Allocation for Uplink Communications of Massive Cellular-Connected UAVs
Xuesong Cai, István Z. Kovács, Jeroen Wigard +3
Cellular-connected unmanned aerial vehicle (UAV) has attracted a surge of research interest in both academia and industry. To support aerial user equipment (UEs) in the existing ce…
Experimental Exploration of Unlicensed Sub-GHz Massive MIMO for Massive Internet-of-Things
Gilles Callebaut, Sara Gunnarsson, Andrea P. Guevara +3
Due to the increase of Internet-of-Things (IoT) devices, IoT networks are getting overcrowded. Networks can be extended with more gateways, increasing the number of supported devic…
27.5-29.5 GHz Switched Array Sounder for Dynamic Channel Characterization: Design, Implementation and Measurements
Harsh Tataria, Erik L. Bengtsson, Ove Edfors +1
A pre-requisite for the design of wireless systems is the understanding of the propagation channel. While a wealth of propagation knowledge exists for bands below 6 GHz, the same c…
Moving Object Classification with a Sub-6 GHz Massive MIMO Array using Real Data
B. R. Manoj, Guoda Tian, Sara Gunnarsson +2
Classification between different activities in an indoor environment using wireless signals is an emerging technology for various applications, including intrusion detection, patie…