19 citations · 35 across the 22 of their papers we have counts for
23 papers
Coherent Direct D-MIMO Localization: Analysis of Coherence Levels
Benjamin J. B. Deutschmann, Lukas D'Angelo, Erik Leitinger +1
Distributed multiple-input multiple-output (D-MIMO) offers favorable geometry for localization and sensing, with its greatest potential arising from joint coherent processing acros…
Integrated Real-Time Testbed for Wideband RFID and Wireless Power Transfer
Lukas D'Angelo, Daniel Pöhl, Benjamin Deutschmann +2
This contribution presents an experimental integrated real-time 8 x 8 distributed MIMO (D-MIMO) testbed for wideband backscatter communication (BSC) and wireless power transfer (WP…
Soft-Coherent Direct Multipath SLAM
Benjamin J. B. Deutschmann, Klaus Witrisal, Erik Leitinger
Challenging indoor and urban environments with severe multipath propagation and obstructed line-of-sight degrade classical radio positioning. Multipath-based simultaneous localizat…
AI-enhanced Direct SLAM: A Principled Approach to Unsupervised Learning in Bayesian Inference
Alexander Venus, Benjamin Deutschmann, Alexander Fuchs +2
In this paper, we propose an artificial intelligence (AI)-enhanced hybrid simultaneous localization and mapping (SLAM) method that performs Bayesian inference directly on raw radio…
The IEEE Signal Processing Society's Leading Role in Developing Standards for Computational Imaging and Sensing: Part II
Andreas Bathelt, Benjamin Deutschmann, Hyeon Seok Rou +3
In every imaging or sensing application, the physical hardware creates constraints that must be overcome or they limit system performance. Techniques that leverage additional degre…
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…
Spatiotemporal Synchronization of Distributed Arrays using Particle-Based Loopy Belief Propagation
Benjamin J. B. Deutschmann, Peter Vouras
Sensing and imaging with distributed radio infrastructures (e.g., distributed MIMO, wireless sensor networks, multistatic radar) rely on knowledge of the positions, orientations, a…
Geometry-Based Channel Estimation, Prediction, and Fusion
Benjamin J. B. Deutschmann, Erik Leitinger, Klaus Witrisal
Reciprocity-based beamforming-most commonly employed in time-division duplexing-uses noisy, estimated (i.e., measured) channel state information (CSI) acquired on the uplink. While…
Physically Large Apertures for Wireless Power Transfer: Performance and Regulatory Aspects
Benjamin J. B. Deutschmann, Ulrich Muehlmann, Ahmet Kaplan +7
Wireless power transfer (WPT) is a promising service for the Internet of Things, providing a cost-effective and sustainable solution to deploy so-called energy-neutral devices on a…
Experimental Study on the Effect of Synchronization Accuracy for Near-Field RF Wireless Power Transfer in Multi-Antenna Systems
Gilles Callebaut, Jarne Van Mulders, Bert Cox +4
Wireless power transfer (WPT) technologies hold promise for enhancing device autonomy, particularly for energy-limited IoT systems. This paper presents experimental results on cohe…
Single versus Multi-Tone Wireless Power Transfer with Physically Large Array
Jarne Van Mulders, Benjamin J. B. Deutschmann, Geoffrey Ottoy +4
Distributed beamforming is a key enabler to provide power wirelessly to a massive amount of energy-neutral devices (ENDs). However, without prior information and fully depleted END…
Joint Localization, Synchronization and Mapping via Phase-Coherent Distributed Arrays
Alessio Fascista, Benjamin J. B. Deutschmann, Musa Furkan Keskin +6
Extremely large-scale antenna array (ELAA) systems emerge as a promising technology in beyond 5G and 6G wireless networks to support the deployment of distributed architectures. Th…
Accurate Direct Positioning in Distributed MIMO Using Delay-Doppler Channel Measurements
Benjamin J. B. Deutschmann, Christian Nelson, Mikael Henriksson +5
Distributed multiple-input multiple-output (D-MIMO) is a promising technology for simultaneous communication and positioning. However, phase synchronization between multiple access…
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…
Keeping Energy-Neutral Devices Operational: a Coherent Massive Beamforming Approach
Jarne Van Mulders, Bert Cox, Benjamin J. B. Deutschmann +3
Keeping the batteries on the shelf: this is the holy grail for low-cost Internet of Things (IoT) nodes. In this paper we study the potential of radio frequency (RF)-based wireless…
An Open Dataset Storage Standard for 6G Testbeds
Gilles Callebaut, Michiel Sandra, Christian Nelson +7
The emergence of sixth-generation (6G) networks has spurred the development of novel testbeds, including sub-THz networks, cell-free systems, and 6G simulators. To maximize the ben…
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…
Bistatic MIMO Radar Sensing of Specularly Reflecting Surfaces for Wireless Power Transfer
Benjamin J. B. Deutschmann, Maximilian Graber, Thomas Wilding +1
Geometric environment information aids future distributed radio infrastructures in providing services, such as ultra-reliable communication, positioning, and wireless power transfe…
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…
Uplink Joint Positioning and Synchronization in Cell-Free Deployments with Radio Stripes
Alessio Fascista, Benjamin J. B. Deutschmann, Musa Furkan Keskin +6
Radio stripes (RSs) is an emerging technology in beyond 5G and 6G wireless networks to support the deployment of cell-free architectures. In this paper, we investigate the potentia…
XL-MIMO Channel Modeling and Prediction for Wireless Power Transfer
Benjamin J. B. Deutschmann, Thomas Wilding, Maximilian Graber +1
Massive antenna arrays form physically large apertures with a beam-focusing capability, leading to outstanding wireless power transfer (WPT) efficiency paired with low radiation le…
Location-based Initial Access for Wireless Power Transfer with Physically Large Arrays
Benjamin J. B. Deutschmann, Thomas Wilding, Erik G. Larsson +1
Radio frequency (RF) wireless power transfer (WPT) is a promising technology for 6G use cases. It enables a massive, yet sustainable deployment of batteryless energy neutral (EN) d…