93 citations · 208 across the 52 of their papers we have counts for
15 papers · 1 filter
Mutual Coupling in Continuous Aperture Arrays: Physical Modeling and Beamforming Design
Zhaolin Wang, Kuranage Roche Rayan Ranasinghe, Giuseppe Thadeu Freitas de Abreu +1
The phenomenon of mutual coupling in continuous aperture arrays (CAPAs) is studied. First, a general physical model for the phenomenon that accounts for both polarization and surfa…
Computing on Dirty Paper: Interference-Free Integrated Communication and Computing
Kuranage Roche Rayan Ranasinghe, Giuseppe Thadeu Freitas de Abreu, David González G. +1
Inspired by Costa's pioneering work on dirty paper coding (DPC), this paper proposes a novel scheme for integrated communication and computing (ICC), named Computing on Dirty Paper…
Adversarially Robust MIMO Physical Layer Authentication for Non-Stationary Channels
Ali Khandan Boroujeni, Ghazal Bagheri, Kuranage Roche Rayan Ranasinghe +3
We propose an adversarially robust physical layer authentication (AR-PLA) framework tailored for non-stationary multiple-input multiple-output (MIMO) wireless channels. The framewo…
A Secure ISAC Waveform Design Framework via Random Frequency and PRI Agility
Ali Khandan Boroujeni, Hyeon Seok Rou, Ghazal Bagheri +4
This paper presents a novel framework for enhancing the security, data rate, and sensing performance of integrated sensing and communications (ISAC) systems. We employ a random fre…
Optimized Sparse Network Coverage via L1-norm Minimization
Souvik Paul, Iván Alexander Morales Sandoval, Giuseppe Thadeu Freitas de Abreu
The selection of nodes that can serve as cluster heads, local sinks and gateways is a critical challenge in distributed sensor and communication networks. This paper presents a nov…
Manifold Optimization-based Pilot Allocation for Cell-Free Massive MIMO ISAC Systems
Getuar Rexhepi, Kuranage Roche Rayan Ranasinghe, Giuseppe Thadeu Freitas de Abreu
We address the challenge of pilot design in cell-free massive multiple input multiple output (CF-mMIMO) integrated sensing and communications (ISAC) systems. We propose a novel pil…
Low-complexity Leakage Minimization Beamforming for Large-scale Multi-user Cell-Free Massive MIMO
Iván Alexander Morales Sandoval, Marko Fidanovski, Getuar Rexhepi +2
We propose a low-complexity beamforming (BF) scheme for secrecy-rate maximization in multi-user (MU) cell-free massive multiple-input multiple-output (CF-mMIMO) systems, where legi…
Quaternion-Domain Super MDS for Robust 3D Localization
Alessio Lukaj, Keigo Masuoka, Takumi Takahashi +2
This paper proposes a novel low-complexity three-dimensional (3D) localization algorithm for wireless sensor networks, termed quanternion-domain super multi-dimensional scaling (QD…
Quadrature Over-the-Air-Computing for Multimodal Dual-Stream Signal Processing
Hyeon Seok Rou, Kengo Ando, Giuseppe Thadeu Freitas de Abreu +1
We propose a novel quadrature over-the-air computing (Q-OTAC) framework that enables the simultaneously computation of two independent functions and/or data stream within a single…
Low-Complexity Receiver Design for Affine Filter Bank Modulation
Kuranage Roche Rayan Ranasinghe, Bruno S. Chang, Giuseppe Thadeu Freitas de Abreu
We propose a low-complexity receiver structure for the recently introduced Affine Filter Bank Modulation (AFBM) scheme, which is a novel waveform designed for integrated sensing an…
A Flexible Design Framework for Integrated Communication and Computing Receivers
Kuranage Roche Rayan Ranasinghe, Kengo Ando, Hyeon Seok Rou +4
We propose a framework to design integrated communication and computing (ICC) receivers capable of simultaneously detecting data symbols and performing over-the-air computing (AirC…
Frequency Hopping Waveform Design for Secure Integrated Sensing and Communications
Ali Khandan Boroujeni, Giuseppe Thadeu Freitas de Abreu, Stefan Köpsell +3
We introduce a comprehensive approach to enhance the security, privacy, and sensing capabilities of integrated sensing and communications (ISAC) systems by leveraging random freque…
Chirp-Permuted AFDM for Quantum-Resilient Physical-Layer Secure Communications
Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu
We present a novel physical-layer secure communications scheme based on a chirp-permuted variant of the affine frequency division multiplexing (AFDM) waveform recently proposed for…
Robust Egoistic Rigid Body Localization
Niclas Führling, Giuseppe Thadeu Freitas de Abreu, David González G. +1
We consider a robust and self-reliant (or "egoistic") variation of the rigid body localization (RBL) problem, in which a primary rigid body seeks to estimate the pose (i.e., locati…
Doubly-Dispersive MIMO Channels with Stacked Intelligent Metasurfaces: Modeling, Parametrization, and Receiver Design
Kuranage Roche Rayan Ranasinghe, Iván Alexander Morales Sandoval, Hyeon Seok Rou +2
Introduced with the advent of statistical wireless channel models for high mobility communications and having a profound role in communication-centric (CC) integrated sensing and c…