184 citations · 818 across the 156 of their papers we have counts for
17 papers · 1 filter
Multimodal Biometric Authentication Using Camera-Based PPG and Fingerprint Fusion
Xue Xian Zheng, M. M. Ur Rahma, Bilal Taha +3
Camera-based photoplethysmography (PPG) obtained from smartphones has shown great promise for personalized healthcare and secure authentication. This paper presents a multimodal bi…
Error Feedback Approach for Quantization Noise Reduction of Distributed Graph Filters
Xue Xian Zheng, Tareq Al-Naffouri
This work introduces an error feedback approach for reducing quantization noise of distributed graph filters. It comes from error spectrum shaping techniques from state-space digit…
Unsupervised Physics-Informed Neural Network-based Nonlinear Observer design for autonomous systems using contraction analysis
Yasmine Marani, Israel Filho, Tareq Al-Naffouri +1
Contraction analysis offers, through elegant mathematical developments, a unified way of designing observers for a general class of nonlinear systems, where the observer correction…
6G RIS-aided Single-LEO Localization with Slow and Fast Doppler Effects
Sharief Saleh, Musa Furkan Keskin, Basuki Priyanto +5
6G networks aim to enable applications like autonomous driving by providing complementary localization services through key technologies such as non-terrestrial networks (NTNs) wit…
Mutual Coupling-Aware Channel Estimation and Beamforming for RIS-Assisted Communications
Pinjun Zheng, Simon Tarboush, Hadi Sarieddeen +1
This work studies the problems of channel estimation and beamforming for active reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output (MIMO) communicatio…
Calibration in RIS-aided Integrated Sensing, Localization and Communication Systems
Reza Ghazalian, Pinjun Zheng, Hui Chen +6
Reconfigurable intelligent surfaces (RISs) are key enablers for integrated sensing and communication (ISAC) systems in the 6G communication era. With the capability of dynamically…
Leveraging parallelizability and channel structure in THz-band, Tbps channel-code decoding
Hakim Jemaa, Hadi Sarieddeen, Simon Tarboush +2
As advancements close the gap between current device capabilities and the requirements for terahertz (THz)-band communications, the demand for terabit-per-second (Tbps) circuits is…
Kalman Filtering for Precise Indoor Position and Orientation Estimation Using IMU and Acoustics on Riemannian Manifolds
Mohammed H. AlSharif, Mohanad Ahmed, Mohamed Siala +1
Indoor tracking and pose estimation, i.e., determining the position and orientation of a moving target, are increasingly important due to their numerous applications. While Inertia…
Performance Analysis of Outdoor THz Links under Mixture Gamma Fading with Misalignment
Hakim Jemaa, Simon Tarboush, Hadi Sarieddeen +2
The precision of link-level theoretical performance analysis for emerging wireless communication paradigms is critical. Recent studies have demonstrated the excellent fitting capab…
UAV-assisted Unbiased Hierarchical Federated Learning: Performance and Convergence Analysis
Ruslan Zhagypar, Nour Kouzayha, Hesham ElSawy +2
The development of the sixth generation (6G) of wireless networks is bound to streamline the transition of computation and learning towards the edge of the network. Hierarchical fe…
Near or far: On determining the appropriate channel estimation strategy in cross-field communication
Simon Tarboush, Anum Ali, Tareq Y. Al-Naffouri
The use of ultra-massive multiple-input multiple-output and high-frequency large bandwidth systems is likely in the next-generation wireless communication systems. In such systems,…
A Statistical Evaluation of Coherence Time for Non-Terrestrial Communications
Pinjun Zheng, Anas Chaaban, Md. Jahangir Hossain +1
Non-terrestrial networks (NTNs) present significant challenges for reliable communication due to the dynamic nature of their channels. Studying channel coherence time is crucial, s…
LEO- and RIS-Empowered User Tracking: A Riemannian Manifold Approach
Pinjun Zheng, Xing Liu, Tareq Y. Al-Naffouri
Low Earth orbit (LEO) satellites and reconfigurable intelligent surfaces (RISs) have recently drawn significant attention as two transformative technologies, and the synergy betwee…
ELAA Near-Field Localization and Sensing with Partial Blockage Detection
Hui Chen, Pinjun Zheng, Yu Ge +4
High-frequency communication systems bring extremely large aperture arrays (ELAA) and large bandwidths, integrating localization and (bi-static) sensing functions without extra inf…
Non-Contact Acquisition of PPG Signal using Chest Movement-Modulated Radio Signals
Israel Jesus Santos Filho, Muhammad Mahboob Ur Rahman, Taous-Meriem Laleg-Kirati +1
We present for the first time a novel method that utilizes the chest movement-modulated radio signals for non-contact acquisition of the photoplethysmography (PPG) signal. Under th…
You can monitor your hydration level using your smartphone camera
Rose Alaslani, Levina Perzhilla, Muhammad Mahboob Ur Rahman +2
This work proposes for the first time to utilize the regular smartphone -- a popular assistive gadget -- to design a novel, non-invasive method for self-monitoring of one's hydrati…
On the Interplay of Artificial Intelligence and Space-Air-Ground Integrated Networks: A Survey
Adilya Bakambekova, Nour Kouzayha, Tareq Al-Naffouri
Space-Air-Ground Integrated Networks (SAGINs), which incorporate space and aerial networks with terrestrial wireless systems, are vital enablers of the emerging sixth-generation (6…