58 citations · 124 across the 19 of their papers we have counts for
21 papers
Comparative Analysis and Behavioral Modelling of Power Amplifiers in FR3
Cel Thys, Rodney Martinez Alonso, Ali H Alsarraf +3
Power amplifier (PA) nonlinearity is a critical transmitter impairment in the upper mid-band (7 GHz to 24 GHz), designated as Frequency Range 3 (FR3) in emerging 6G standardisation…
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…
Near-Field Velocity Estimation and Doppler-Aware Localization in OFDM Massive MIMO
Qing Zhang, Dario Tagliaferri, Robbert Beerten +3
In Orthogonal Frequency Division Multiplexing (OFDM)-based massive Multiple-Input Multiple-Output (MIMO) near-field (NF) sensing, target motion induces an antenna-dependent bistati…
Experimental Characterization of ISAC Channel Mapping and Environment Awareness
Zhuangzhuang Cui, Rizqi Hersyandika, Haoqiu Xiong +1
In the context of integrated sensing and communications (ISAC), this paper presents an experimental investigation of the relationship between monostatic sensing and naturally bista…
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…
Robust Localization in OFDM-Based Massive MIMO through Phase Offset Calibration
Qing Zhang, Adham Sakhnini, Robbert Beerten +4
Accurate localization in Orthogonal Frequency Division Multiplexing (OFDM)-based massive Multiple-Input Multiple-Output (MIMO) systems depends critically on phase coherence across…
Frequency-Adaptive Multi-Band Architecture for Upper Mid-Band MIMO Systems
Emiel Vanspranghels, Zhuangzhuang Cui, Sofie Pollin
FR3 (7-24 GHz), also referred to as the upper mid-band, has recently emerged as promising spectrum for 6G; however, its propagation and MIMO characteristics vary significa…
Site-Specific and Frequency-Dependent Channel Characterization and MIMO Performance in FR3
Zhuangzhuang Cui, Rudranil Chattopadhyay, Emiel Vanspranghels +1
Next-generation wireless systems aim to enable on-demand connectivity through dynamic spectrum utilization. Motivated by this vision, this paper investigates the propagation charac…
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…
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP
Thibaut Ceulemans, Cel Thys, Robbert Beerten +2
This work focuses on channel estimation in extremely large aperture array (ELAA) systems, where near-field propagation and spatial non-stationarity introduce complexities that hind…
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…
Spatially Consistent Air-to-Ground Channel Modeling with Probabilistic LOS/NLOS Segmentation
Evgenii Vinogradov, Abdul Saboor, Zhuangzhuang Cui +1
In this paper, we present a spatially consistent A2G channel model based on probabilistic LOS/NLOS segmentation to parameterize the deterministic path loss and stochastic shadow fa…
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…
BS-Breath: Respiration Sensing with Cell-free Massive MIMO
Haoqiu Xiong, Robbert Beerten, Zhuangzhuang Cui +2
This paper demonstrates the feasibility of respiration pattern estimation utilizing a communication-centric cellfree massive MIMO OFDM Base Station (BS). The sensing target is typi…
Path Loss Modelling for UAV Communications in Urban Scenarios with Random Obstacles
Abdul Saboor, Zhuangzhuang Cui, Evgenii Vinogradov +1
Path Loss (PL) is vital to evaluate the performance of Unmanned Aerial Vehicles (UAVs) as Aerial Base Stations (ABSs), particularly in urban environments with complex propagation d…
Empirical Line-of-Sight Probability Modeling for UAVs in Random Urban Layouts
Abdul Saboor, Zhuangzhuang Cui, Evgenii Vinogradov +1
Accurate Probability of Line-of-Sight (PLoS) modeling is important in evaluating the performance of Unmanned Aerial Vehicle (UAV)-based communication systems in urban environments,…
Electric Field Evaluation of Reconfigurable Intelligent Surface in Wireless Networks
Zhuangzhuang Cui, Franco Minucci, Rizqi Hersyandika +4
Reconfigurable intelligent surface (RIS) used as infrastructure in wireless networks has been a trend, thanks to its low cost and high flexibility. Working in many ways including r…
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…
On the Ground and in the Sky: A Tutorial on Radio Localization in Ground-Air-Space Networks
Hazem Sallouha, Sharief Saleh, Sibren De Bast +3
The inherent limitations in scaling up ground infrastructure for future wireless networks, combined with decreasing operational costs of aerial and space networks, are driving cons…
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…
6G Wireless Communications in 7-24 GHz Band: Opportunities, Techniques, and Challenges
Zhuangzhuang Cui, Peize Zhang, Sofie Pollin
The sixth generation (6G) wireless communication nowadays is seeking a new spectrum to inherit the pros and discard the cons of sub-6 GHz, millimeter-wave (mmWave), and sub-teraher…