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The integration of sensing and communication (ISAC) has significant potential for future wireless systems, enabling efficient spectrum utilization and novel application scenarios. In this paper, we propose a cooperative ISAC framework for…

Signal Processing · Electrical Eng. & Systems 2025-11-06 Qiuyuan Yang , Cunhua Pan , Ruidong Li , Zhenkun Zhang , Hong Ren , Changhong Wang , Jiangzhou Wang

Advancements in analog-to-digital converter (ADC) technology have enabled higher sampling rates, making it feasible to adopt digital radar architectures that directly sample the radio-frequency (RF) signal, eliminating the need for analog…

In this paper, we study the optimization of the sensing accuracy of unmanned aerial vehicle (UAV)-based dual-baseline interferometric synthetic aperture radar (InSAR) systems. A swarm of three UAV-synthetic aperture radar (SAR) systems is…

Signal Processing · Electrical Eng. & Systems 2024-11-05 Mohamed-Amine Lahmeri , Víctor Mustieles-Pérez , Martin Vossiek , Gerhard Krieger , Robert Schober

The integration of unmanned aerial vehicles (UAVs) with radar imaging sensors has revolutionized the monitoring of dynamic and local Earth surface processes by enabling high-resolution and cost-effective remote sensing. This paper…

Signal Processing · Electrical Eng. & Systems 2025-10-07 Mohamed-Amine Lahmeri , Pouya Fakharizadeh , Víctor Mustieles-Pérez , Martin Vossiek , Gerhard Krieger , Robert Schober

In this work, performance of a multi-antenna multiuser unmanned aerial vehicle (UAV) assisted terrestrial-satellite communication system over mixed free space optics (FSO)/ radio frequency (RF) channels is analyzed. Downlink transmission…

Signal Processing · Electrical Eng. & Systems 2021-09-14 Praveen Kumar Singya , Mohamed-Slim Alouini

Unmanned Aerial Vehicles (UAVs) play an increasingly critical role in Intelligence, Surveillance, and Reconnaissance (ISR) missions such as border patrolling and criminal detection, thanks to their ability to access remote areas and…

Image and Video Processing · Electrical Eng. & Systems 2024-10-16 Niloufar Mehrabi , Sayed Pedram Haeri Boroujeni , Jenna Hofseth , Abolfazl Razi , Long Cheng , Manveen Kaur , James Martin , Rahul Amin

This paper proposes an unmanned aerial vehicle (UAV)-based distributed sensing framework that uses orthogonal frequency-division multiplexing (OFDM) waveforms to detect the position of a ground target, and UAVs operate in half-duplex mode.…

Signal Processing · Electrical Eng. & Systems 2023-09-12 Xavier Alejandro Flores Cabezas , Diana Pamela Moya Osorio , Markku Juntti

The existing linear frequency modulated (LFM) (or step frequency) and random noise synthetic aperture radar (SAR) systems may correspond to the frequency hopping (FH) and direct sequence (DS) spread spectrum systems in the past second and…

Information Theory · Computer Science 2014-05-09 Tian-Xian Zhang , Xiang-Gen Xia

In this paper, we investigate joint unmanned aerial vehicle (UAV) formation and resource allocation optimization for communication-assisted three-dimensional (3D) synthetic aperture radar (SAR) sensing. We consider a system consisting of…

Signal Processing · Electrical Eng. & Systems 2025-02-10 Mohamed-Amine Lahmeri , Víctor Mustieles-Pérez , Martin Vossiek , Gerhard Krieger , Robert Schober

In this paper, we investigate joint 3-dimensional (3D) trajectory planning and resource allocation for rotary-wing unmanned aerial vehicle (UAV) synthetic aperture radar (SAR) sensing. To support emerging real-time SAR applications and…

Signal Processing · Electrical Eng. & Systems 2024-04-02 Mohamed-Amine Lahmeri , Walid R. Ghanem , Christina Bonfert , Robert Schober

Rapid generation of large-scale orthoimages from Unmanned Aerial Vehicles (UAVs) has been a long-standing focus of research in the field of aerial mapping. A multi-sensor UAV system, integrating the Global Positioning System (GPS), Inertial…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Jialei He , Zhihao Zhan , Zhituo Tu , Xiang Zhu , Jie Yuan

In this paper, we study the trajectory and resource optimization for lightweight rotary-wing unmanned aerial vehicles (UAVs) equipped with a synthetic aperture radar (SAR) system. The UAV's mission is to perform SAR imaging of a given area…

Signal Processing · Electrical Eng. & Systems 2022-07-14 Mohamed-Amine Lahmeri , Walid Ghanem , Christina Knill , Robert Schober

Conventional synthetic aperture radar (SAR) imaging systems typically employ deterministic signal designs, which lack the capability to convey communication information and are thus not suitable for integrated sensing and communication…

Signal Processing · Electrical Eng. & Systems 2024-03-27 Bowen Zheng , Fan Liu

This paper proposes an unmanned aerial vehicle (UAV)-based distributed sensing framework that uses frequency-division multiplexing (OFDM) waveforms to detect the position of a ground target under half-duplex operation. The area of interest,…

Signal Processing · Electrical Eng. & Systems 2023-02-22 Xavier A. Flores Cabezas , Diana P. Moya Osorio , Markku Juntti

In this study, we consider an unmanned aerial vehicle (UAV)-assisted heterogeneous network that is offered as a cost-effective and easy to deploy solution to solve the problem related to transferring traffic of distributed small cells to…

Signal Processing · Electrical Eng. & Systems 2022-03-29 Mohammad Taghi Dabiri , Mazen Omar Hasna

Low-altitude unmanned aerial vehicles (UAVs) are expected to play an important role for low-altitude economy with a wide range of applications like precise agriculture, aerial delivery and surveillance. Integrated sensing and communication…

Signal Processing · Electrical Eng. & Systems 2025-09-22 Zhiwen Zhou , Yong Zeng , Chunguo Li , Fei Yang , Yan Chen , Jingon Joung

Interferometric synthetic aperture radar (InSAR) is an increasingly important remote sensing technique that enables three-dimensional (3D) sensing applications such as the generation of accurate digital elevation models (DEMs). In this…

Signal Processing · Electrical Eng. & Systems 2023-11-14 Mohamed-Amine Lahmeri , Victor Mustieles-Pérez , Martin Vossiek , Gerhard Krieger , Robert Schober

Synthetic aperture radar (SAR) tomography (TomoSAR) retrieves three-dimensional (3-D) information from multiple SAR images, effectively addresses the layover problem, and has become pivotal in urban mapping. Unmanned aerial vehicle (UAV)…

Signal Processing · Electrical Eng. & Systems 2024-02-05 Silin Gao , Wenlong Wang , Muhan Wang , Zhe Zhang , Zai Yang , Xiaolan Qiu , Bingchen Zhang , Yirong Wu

Synthetic Aperture Radar (SAR) imagery provides all-weather, all-day, and high-resolution imaging capabilities but its unique imaging mechanism makes interpretation heavily reliant on expert knowledge, limiting interpretability, especially…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Ruixi You , Hecheng Jia , Feng Xu

Convolutional neural networks (CNNs) have achieved high performance in synthetic aperture radar (SAR) automatic target recognition (ATR). However, the performance of CNNs depends heavily on a large amount of training data. The insufficiency…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Chenwei Wang , Xiaoyu Liu , Yulin Huang , Siyi Luo , Jifang Pei , Jianyu Yang , Deqing Mao
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