38 citations · 45 across the 15 of their papers we have counts for
16 papers
Cellular Signal Constructed Convolutional Vision Transformer for High Accuracy Positioning
Junshi Chen, Xuhong Li, Russ Whiton +1
Modern cellular systems employ wide bandwidths and large antenna arrays to meet high data rate requirements. The high spatial and temporal resolution for communication also enables…
Probabilistic Occupancy Grid for Radio-Based SLAM
Xuhong Li, Erik Leitinger, Fredrik Tufvesson +1
Sensing is an integral part of 6G and beyond systems, providing exceptional environmental perception along with communication. Radio frequency (RF)-based sensing often relies on si…
Robust Localization in Modern Cellular Networks using Global Map Features
Junshi Chen, Xuhong Li, Russ Whiton +2
Radio frequency (RF) signal-based localization using modern cellular networks has emerged as a promising solution to accurately locate objects in challenging environments. One of t…
Low-latency D-MIMO Localization using Distributed Scalable Message-Passing Algorithm
Dumitra Iancu, Liang Liu, Ove Edfors +2
Distributed MIMO and integrated sensing and communication are expected to be key technologies in future wireless systems, enabling reliable, low-latency communication and accurate…
Adaptive Multipath-Based SLAM for Distributed MIMO Systems
Xuhong Li, Benjamin J. B. Deutschmann, Erik Leitinger +1
Localizing users and mapping the environment using radio signals is a key task in emerging applications such as low-latency communications and safety-critical navigation. Recently…
Posterior Cramér-Rao Bounds on Localization and Mapping Errors in Distributed MIMO SLAM
Benjamin J. B. Deutschmann, Xuhong Li, Florian Meyer +1
Radio-frequency simultaneous localization and mapping (RF-SLAM) methods jointly infer the position of mobile transmitters and receivers in wireless networks, together with a geomet…
A Wideband Distributed Massive MIMO Channel Sounder for Communication and Sensing
Michiel Sandra, Christian Nelson, Xuhong Li +3
Channel sounding is a vital step in understanding wireless channels for the design and deployment of wireless communication systems. In this paper, we present the design and implem…
A Belief Propagation Algorithm for Multipath-based SLAM with Multiple Map Features: A mmWave MIMO Application
Xuhong Li, Xuesong Cai, Erik Leitinger +1
In this paper, we present a multipath-based simultaneous localization and mapping (SLAM) algorithm that continuously adapts mulitiple map feature (MF) models describing specularly…
Distributed MIMO Measurements for Integrated Communication and Sensing in an Industrial Environment
Christian Nelson, Xuhong Li, Aleksei Fedorov +2
Many concepts for future generations of wireless communication systems use coherent processing of signals from many distributed antennas. The aim is to improve communication reliab…
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…
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…
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…
Massive MIMO Extensions to the COST 2100 Channel Model: Modeling and Validation
Jose Flordelis, Xuhong Li, Ove Edfors +1
To enable realistic studies of massive multiple-input multiple-output systems, the COST 2100 channel model is extended based on measurements. First, the concept of a base station-s…
Massive MIMO-based Localization and Mapping Exploiting Phase Information of Multipath Components
Xuhong Li, Erik Leitinger, Magnus Oskarsson +2
In this paper, we present a robust multipath-based localization and mapping framework that exploits the phases of specular multipath components (MPCs) using a massive multiple-inpu…
Deep Convolutional Neural Networks for Massive MIMO Fingerprint-Based Positioning
Joao Vieira, Erik Leitinger, Muris Sarajlic +2
This paper provides an initial investigation on the application of convolutional neural networks (CNNs) for fingerprint-based positioning using measured massive MIMO channels. When…