24 citations · 33 across the 16 of their papers we have counts for
19 papers
Logic Gate Networks and Lookup Table Networks as Lightweight Hardware Classifiers for Inter-patient ECG Arrhythmia Classification
Wout Mommen, Lars Keuninckx, Siddharth Patil +3
Deep Differentiable Logic Gate Networks (LGNs) and Lookup Table Networks (LUTNs) offer a promising approach for very low power inference due to their use of simple binary logic ope…
RT-VSS: In-House Ray Tracing for Vital Signs Sensing in FR3 Band
Rudranil Chattopadhyay, Zhuangzhuang Cui, Achiel Colpaert +1
Vital Signs Sensing, enabled by the evolution of wireless communications, is inherently challenging as the chest's micro-Doppler signatures can be corrupted by multipath, body move…
Depthwise Separable CNN for D-MIMO Indoor Localization with Data Reduction
Georgios Mystriotis, Rodney Martinez Alonso, Achiel Colpaert +1
Indoor localization using Distributed Multiple-Input Multiple-Output (D-MIMO) and machine learning (ML) achieves sub-centimeter accuracy but faces midhaul capacity bottlenecks when…
LITE: Lightweight Channel Gain Estimation with Reduced X-Haul CSI Signaling in O-RAN
David Goez, Marco Piazzola, Giulia Costa +6
Cell-Free Massive Multiple-Input Multiple-Output (CF-MaMIMO) in Open Radio Access Network (O-RAN) promises high spectral efficiency but is limited by frequent Channel State Informa…
Dualband OFDM Delay Estimation for Multi-Target Localization
Jialun Kou, Achiel Colpaert, Zhuangzhuang Cui +1
Integrated localization and communication systems aim to reuse communication waveforms for simultaneous data transmission and localization, but delay resolution is fundamentally li…
Experimental Validation of SBFD ISAC in an FR3 Distributed SIMO Testbed
Bixing Yan, Kwadwo Mensah Obeng Afrane, Achiel Colpaert +3
Integrated sensing and communication (ISAC) is a key enabler for future radio networks. This paper presents a sub-band full-duplex (SBFD) ISAC system that assigns non-overlapping O…
Inter-patient ECG Arrhythmia Classification with LGNs and LUTNs
Wout Mommen, Lars Keuninckx, Paul Detterer +2
Deep Differentiable Logic Gate Networks (LGNs) and Lookup Table Networks (LUTNs) are demonstrated to be suitable for the automatic classification of electrocardiograms (ECGs) using…
Trajectory-Aware Air-to-Ground Channel Characterization for Low-Altitude UAVs Using MaMIMO Measurements
Abdul Saboor, Zhuangzhuang Cui, Achiel Colpaert +3
This paper presents a comprehensive measurement-based trajectory-aware characterization of low-altitude Air-to-Ground (A2G) channels in a suburban environment. A 64-element Massive…
CASH: Context-Aware Smart Handover for Reliable UAV Connectivity on Aerial Corridors
Abdul Saboor, Zhuangzhuang Cui, Achiel Colpaert +2
Urban Air Mobility (UAM) envisions aerial corridors for Unmanned Aerial Vehicles (UAVs) to reduce ground traffic congestion by supporting 3D mobility, such as air taxis. A key chal…
Evaluation of 3D Terrestrial and Aerial Spectrum Sharing with Massive MIMO Systems
Achiel Colpaert, Zhuangzhuang Cui, Sofie Pollin
Connecting aerial and terrestrial users with a single base station (BS) is increasingly challenging due to the rising number of aerial users like unmanned aerial vehicles (UAVs). T…
Building a real-time physical layer labeled data logging facility for 6G research
Franco Minucci, Raquel Marina Noguera Oishi, Haoqiu Xiong +7
This work describes the architecture and vision of designing and implementing a new test infrastructure for 6G physical layer research at KU Leuven. The Testbed is designed for phy…
CSI Measurements and Initial Results for Massive MIMO to UAV Communication
Zhuangzhuang Cui, Achiel Colpaert, Sofie Pollin
Non-Terrestrial Network (NTN) has been envisioned as a key component of the sixth-generation (6G) mobile communication system. Meanwhile, unmanned aerial vehicles (UAVs) play an im…
3D Non-Stationary Channel Measurement and Analysis for MaMIMO-UAV Communications
Achiel Colpaert, Zhuangzhuang Cui, Evgenii Vinogradov +1
Unmanned aerial vehicles (UAVs) have gained popularity in the communications research community because of their versatility in placement and potential to extend the functions of c…
Path Loss Analysis for Low-Altitude Air-to-Air Millimeter-Wave Channel in Built-Up Area
Zhuangzhuang Cui, Abdul Saboor, Achiel Colpaert +1
Communications between unmanned aerial vehicles (UAVs) play an important role in deploying aerial networks. Although some studies reveal that drone-based air-to-air (A2A) channels…
Massive MIMO Channel Measurement Data Set for Localization and Communication
Achiel Colpaert, Sibren De Bast, Andrea P. Guevara +2
Channel state information (CSI) needs to be estimated for reliable and efficient communication, however, location information is hidden inside and can be further exploited. This ar…
Drone delivery: Reliable Cellular UAV Communication Using Multi-Operator Diversity
Achiel Colpaert, Michaël Raes, Evgenii Vinogradov +1
The market size of Unmanned Aerial Vehicles (UAVs, a.k.a drones) can reach up to 10% of the global market value. In particular, drone delivery is one of the most attractive applica…
Evolution of Non-Terrestrial Networks From 5G to 6G: A Survey
M. Mahdi Azari, Sourabh Solanki, Symeon Chatzinotas +9
Non-terrestrial networks (NTNs) traditionally have certain limited applications. However, the recent technological advancements and manufacturing cost reduction opened up myriad ap…
3D beamforming and handover analysis for UAV networks
Achiel Colpaert, Evgenii Vinogradov, Sofie Pollin
In future drone applications fast moving unmanned aerial vehicles (UAVs) will need to be connected via a high throughput ultra reliable wireless link. MmWave communication is assum…
Fixed mmWave Multi-User MIMO: Performance Analysis and Proof-of-Concept Architecture
Achiel Colpaert, Evgenii Vinogradov, Sofie Pollin
In this paper, we present a fixed mmWave Multi-User Multiple-Input Multiple-Output (MIMO) system for fixed wireless access with a unique architecture. A digital MIMO system is comb…