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200 papers

Recently, coprime arrays have been in the focus of research because of their potential in exploiting redundancy in spanning large apertures with fewer elements than suggested by theory. A coprime array consists of two uniform linear…

Information Theory · Computer Science 2014-12-16 Zhiyuan Weng , Petar Djuric

This work addresses the challenge of identifying Unmanned Aerial Vehicles (UAV) using radiofrequency (RF) fingerprinting in limited RF environments. The complexity and variability of RF signals, influenced by environmental interference and…

Machine Learning · Computer Science 2024-07-26 Amir Kazemi , Salar Basiri , Volodymyr Kindratenko , Srinivasa Salapaka

In remote sensing rotated object detection, mainstream methods suffer from two bottlenecks, directional incoherence at detector neck and task conflict at detecting head. Ulitising fourier rotation equivariance, we introduce Fourier Angle…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Changyu Gu , Linwei Chen , Lin Gu , Ying Fu

Unmanned aerial vehicle (UAV) with the intrinsic three-dimensional (3D) mobility provides an ideal platform for implementing aerial movable antenna (AMA) system enabled by UAV swarm cooperation. Besides, AMA system is readily to achieve an…

Information Theory · Computer Science 2026-02-17 Haiquan Lu , Chao Feng , Yong Zeng , Shaodan Ma , Long Shi , Shi Jin , Rui Zhang

The application of radio-based positioning systems is ever increasing. In light of the dissemination of the Internet of Things and location-aware communication systems, the demands on localization architectures and amount of possible use…

Signal Processing · Electrical Eng. & Systems 2022-07-19 Andrea Jung , Paul Schwarzbach , Oliver Michler

This paper explores how a flying drone can autonomously navigate while constructing a narrowband radio map for signal localization. As flying drones become more ubiquitous, their wireless signals will necessitate new wireless technologies…

Networking and Internet Architecture · Computer Science 2024-07-30 Paul S. Kudyba , Qin Lu , Haijian Sun

In this work, we address the issue of quality of experience (QoE) in unmanned aerial vehicle (UAV) aided multiuser rate-splitting multiple access (RSMA) networks under secrecy constraints. The problem is formulated as maximization of sum…

Networking and Internet Architecture · Computer Science 2024-05-24 Abuzar B. M. Adam , Xiaoyu Wan , Mohammed Saleh Ali Muthanna

For autonomous vehicles to operate without human intervention, information sharing from local sensors plays a fundamental role. This can be challenging to handle with bandwidth-constrained communication systems, which calls for the adoption…

Networking and Internet Architecture · Computer Science 2022-05-25 Matteo Bordin , Marco Giordani , Michele Polese , Tommaso Melodia , Michele Zorzi

Device-Free Localization (DFL) is a passive radio method able to detect, estimate, and localize targets (e.g., human or other obstacles) that do not need to carry any electronic device. According to the Integrated Sensing And Communication…

Signal Processing · Electrical Eng. & Systems 2025-06-10 Vittorio Rampa , Federica Fieramosca , Stefano Savazzi , Michele D'Amico

The ubiquity of unmanned aerial vehicles (UAVs) or drones is posing both security and safety risks to the public as UAVs are now used for cybercrimes. To mitigate these risks, it is important to have a system that can detect or identify the…

Signal Processing · Electrical Eng. & Systems 2021-07-13 Olusiji O Medaiyese , Martins Ezuma , Adrian P Lauf , Ayodeji A Adeniran

Cross-view geo-localization for Unmanned Aerial Vehicles (UAVs) operating in GNSS-denied environments remains challenging due to the severe geometric discrepancy between oblique UAV imagery and orthogonal satellite maps. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Haoyuan Li , Wen Yang , Fang Xu , Hong Tan , Haijian Zhang , Shengyang Li , Gui-Song Xia

This paper studies an unmanned aerial vehicle (UAV)-enabled wireless sensor network, in which one UAV flies in the sky to collect the data transmitted from a set of sensors via distributed beamforming. We consider the delay-sensitive…

Information Theory · Computer Science 2020-03-10 Tianxin Feng , Lifeng Xie , Jianping Yao , Jie Xu

Direction of arrival (DOA) estimation is a fundamental problem in array signal processing with applications spanning radar, sonar, wireless communications, and acoustic signal processing. This tutorial survey provides a comprehensive…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Amgad A. Salama

Direction-of-arrival (DOA) estimation refers to the process of retrieving the direction information of several electromagnetic waves/sources from the outputs of a number of receiving antennas that form a sensor array. DOA estimation is a…

Information Theory · Computer Science 2017-01-10 Zai Yang , Jian Li , Petre Stoica , Lihua Xie

In this paper, a full-duplex unmanned aerial vehicle (FD-UAV) relay is employed to increase the communication capacity of millimeter-wave (mmWave) networks. Large antenna arrays are equipped at the source node (SN), destination node (DN),…

Signal Processing · Electrical Eng. & Systems 2020-04-24 Lipeng Zhu , Jun Zhang , Zhenyu Xiao , Xianbin Cao , Xiang-Gen Xia , Robert Schober

In this paper, we study an unmanned aerial vehicle(UAV)-enabled wireless sensor network, where a UAV is dispatched to collect the sensed data from distributed sensor nodes (SNs) for estimating an unknown parameter. It is revealed that in…

Information Theory · Computer Science 2018-05-14 Cheng Zhan , Yong Zeng , Rui Zhang

Since most of vehicular radar systems are already exploiting millimeter-wave (mmWave) spectra, it would become much more feasible to implement a joint radar and communication system by extending communication frequencies into the mmWave…

Information Theory · Computer Science 2022-11-23 Geonho Han , Junil Choi , Robert W. Heath

Estimating the direction of arrival (DOA) of sources is an important problem in aerospace and vehicular communication, localization and radar. In this paper, we consider a challenging multi-source DOA estimation task, where the receiving…

Signal Processing · Electrical Eng. & Systems 2022-02-17 Tom Tirer , Oded Bialer

Passive geolocation by multiple unmanned aerial vehicles (UAVs) covers a wide range of military and civilian applications including rescue, wild life tracking and electronic warfare. The sensor-target geometry is known to significantly…

Signal Processing · Electrical Eng. & Systems 2022-08-09 Xin Cheng , Feng Shu , Yifan Li , Zhihong Zhuang , Di Wu , Jiangzhou Wang

Place recognition plays an important role in achieving robust long-term autonomy. Real-world robots face a wide range of weather conditions (e.g. overcast, heavy rain, and snowing) and most sensors (i.e. camera, LiDAR) essentially…

Robotics · Computer Science 2025-05-13 Hogyun Kim , Byunghee Choi , Euncheol Choi , Younggun Cho
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