21 citations · 21 across the 10 of their papers we have counts for
10 papers
Experimental Evaluation of Geometry and Reciprocity-Based Beamforming with Large Arrays for RF Wireless Power Transfer
Gilles Callebaut, Jarne Van Mulders
This paper experimentally investigates geometry-based multi-antenna RF wireless power transfer (WPT) using a large-scale distributed indoor transmit array measuring 8 m by 4 m. Geo…
Experimental Study of Interference Suppression for Backscatter Communication in Distributed MIMO
Ahmet Kaplan, Gilles Callebaut, Jarne Van Mulders +1
Bistatic backscatter communication requires strong illumination of a backscatter device (BD), while a spatially separated reader detects the weak modulated reflection. In practice,…
GNN-based Precoder Design and Fine-tuning for Cell-free Massive MIMO with Real-world CSI
Tianzheng Miao, Thomas Feys, Gilles Callebaut +4
Cell-free massive MIMO (CF-mMIMO) has emerged as a promising paradigm for delivering uniformly high-quality coverage in future wireless networks. To address the inherent challenges…
Designing RF-Powered Battery-Less Electronic Shelf Labels With COTS Components
Jarne Van Mulders, Gilles Callebaut
This paper presents a preliminary study exploring the feasibility of designing batteryless electronic shelf labels (ESLs) powered by radio frequency wireless power transfer using c…
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…
How to Perform Distributed Precoding to Wirelessly Power Shelf Labels: Signal Processing and Measurements
Gilles Callebaut, Jarne Van Mulders, Bert Cox +3
Wireless power transfer (WPT) has garnered increasing attention due to its potential to eliminate device-side batteries. With the advent of (distributed) multiple-input multiple-ou…
IoT with a Soft Touch: A Modular Remote Sensing Platform for STE(A)M Applications
Jona Cappelle, Geoffrey Ottoy, Sarah Goossens +4
Besides wide attraction in the industry, IoT is being used to advance STEM and STEAM education across a range of education levels. This work presents a remote sensing platform, nam…
Techtile -- Open 6G R&D Testbed for Communication, Positioning, Sensing, WPT and Federated Learning
Gilles Callebaut, Jarne Van Mulders, Geoffrey Ottoy +4
New concepts for next-generation wireless systems are being developed. It is expected that these 6G and beyond systems will incorporate more than only communication, but also sensi…
Aerial Energy Provisioning for Massive Energy-Constrained IoT by UAVs
Jarne Van Mulders, Guus Leenders, Gilles Callebaut +2
Autonomy of devices is a major challenge in many Internet of Things (IoT) applications, in particular when the nodes are deployed remotely or difficult to assess places. In this pa…
A Primer on Techtile: An R&D Testbed for Distributed Communication, Sensing and Positioning
Gilles Callebaut, Jarne Van Mulders, Geoffrey Ottoy +1
The Techtile measurement infrastructure is a multi-functional, versatile testbed for new communication and sensing technologies relying on fine-grained distributed resources. The f…