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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

This work proposes a framework for the robust design of UAV-assisted wireless networks that combine 3D trajectory optimization with user mobility prediction to address dynamic resource allocation challenges. We proposed a sparse…

Signal Processing · Electrical Eng. & Systems 2025-06-12 Asad Mahmood , Thang X. Vu , Wali Ullah Khan , Symeon Chatzinotas , Björn Ottersten

The usage of Reconfigurable Intelligent Surfaces (RIS) in conjunction with Unmanned Ariel Vehicles (UAVs) is being investigated as a way to provide energy-efficient communication to ground users in dense urban areas. In this paper, we…

This paper investigates user scheduling and trajectory optimization for a network supported by an intelligent reflecting surface (IRS) mounted on an unmanned aerial vehicle (UAV). The IRS is powered via the simultaneous wireless information…

Information Theory · Computer Science 2022-09-14 S. Zargari , A. Hakimi , C. Tellambura , S. Herath

In this paper, we propose an energy-efficient optimal altitude for an aerial access point (AAP), which acts as a flying base station to serve a set of ground user equipment (UE). Since the ratio of total energy consumed by the aerial…

Optimization and Control · Mathematics 2021-03-30 Nithin Babu , Konstantinos Ntougias , Constantinos B Papadias , Petar Popovski

This article proposes novel sparsity-aware space-time adaptive processing (SA-STAP) algorithms with $l_1$-norm regularization for airborne phased-array radar applications. The proposed SA-STAP algorithms suppose that a number of samples of…

Information Theory · Computer Science 2013-04-16 Z. Yang , R. C. de Lamare

Future 6G non-terrestrial networks aim to deliver ubiquitous connectivity to remote and undeserved regions, but unmanned aerial vehicle (UAV) base stations face fundamental challenges such as limited numbers and power budgets. To overcome…

Signal Processing · Electrical Eng. & Systems 2026-02-11 Arman Azizi , Mostafa Rahmani Ghourtani , Mustafa A. Kishk , Hamed Ahmadi , Arman Farhang

The recent development of high-altitude platforms (HAPs) has attracted increasing attention since they can serve as a promising communication method to assist satellite-terrestrial networks. In this paper, we consider an integrated…

Signal Processing · Electrical Eng. & Systems 2021-07-07 Wenwei Zhang , Ruoqi Deng , Boya Di , Lingyang Song

In this study, we consider a spectrum sharing architecture, wherein a multiple-input multiple-output communication system cooperatively coexists with a surveillance radar. The degrees of freedom for system design are the transmit powers of…

Signal Processing · Electrical Eng. & Systems 2022-05-17 Emanuele Grossi , Marco Lops , Luca Venturino

In this paper, we tackle the problem of trajectory planning and control of a vehicle under locally varying traction limitations, in the presence of suddenly appearing obstacles. We employ concepts from adaptive model predictive control for…

Robotics · Computer Science 2019-12-11 Lars Svensson , Monimoy Bujarbaruah , Nitin Kapania , Martin Törngren

Aiming at the limited battery capacity of widely deployed low-power smart devices in the Internet-of-things (IoT), this paper proposes a novel intelligent reflecting surface (IRS) empowered unmanned aerial vehicle (UAV) simultaneous…

Signal Processing · Electrical Eng. & Systems 2022-10-28 Zhendong Li , Wen Chen , Huanqing Cao , Hongying Tang , Kunlun Wang , Jun Li

Hybrid aerial-terrestrial communication networks based on Low Altitude Platforms (LAPs) are expected to optimally meet the urgent communication needs of emergency relief and recovery operations for tackling large scale natural disasters.…

Networking and Internet Architecture · Computer Science 2016-11-18 Sithamparanathan Kandeepan , Karina Gomez , Laurent Reynaud , Tinku Rasheed

Augmented reality (AR)-enabled Metaverse is a promising technique to provide immersive service experience for mobile users. However, the limited network resources and unpredictable wireless propagation environments are key design…

Information Theory · Computer Science 2026-02-20 Sun Mao , Lei Liu , Kun Yang , F. Richard Yu , Duist Niyato , Chau Yuen

This work considers unmanned aerial vehicle (UAV) networks for collecting data covertly from ground users. The full-duplex UAV intends to gather critical information from a scheduled user (SU) through wireless communication and generate…

Signal Processing · Electrical Eng. & Systems 2019-06-21 Xiaobo Zhou , Shihao Yan , Feng Shu , Riqing Chen , Jun Li

Cellular-enabled collaborative robots are becoming paramount in Search-and-Rescue (SAR) and emergency response. Crucially dependent on resilient mobile network connectivity, they serve as invaluable assets for tasks like rapid victim…

Robotics · Computer Science 2026-02-26 Arnau Romero , Carmen Delgado , Jana Baguer , Raúl Suárez , Xavier Costa-Pérez

An algorithm based on compressive sensing (CS) is proposed for synthetic aperture radar (SAR) imaging of moving targets. The received SAR echo is decomposed into the sum of basis sub-signals, which are generated by discretizing the target…

Information Theory · Computer Science 2011-04-07 Jun Wang , Gang Li , Hao Zhang , Xiqin Wang

This paper proposes a hybrid-relaying scheme empowered by a self-sustainable intelligent reflecting surface (IRS) in a wireless powered communication network (WPCN), to simultaneously improve the performance of downlink energy transfer (ET)…

Signal Processing · Electrical Eng. & Systems 2020-10-01 Bin Lyu , Parisa Ramezani , Dinh Thai Hoang , Shimin Gong , Zhen Yang , Abbas Jamalipour

This paper studies high-speed online planning in dynamic environments. The problem requires finding time-optimal trajectories that conform to system dynamics, meeting computational constraints for real-time adaptation, and accounting for…

Robotics · Computer Science 2025-02-21 Gilhyun Ryou , Lukas Lao Beyer , Sertac Karaman

Thanks to their quick placement and high flexibility, unmanned aerial vehicles (UAVs) can be very useful in the current and future wireless communication systems. With a growing number of smart devices and infrastructure-free communication…

Signal Processing · Electrical Eng. & Systems 2020-04-24 Shuyan Hu , Qingqing Wu , Xin Wang

To enhance the performance of aerial-ground networks, this paper proposes an integrated sensing and communication (ISAC) framework for multi-UAV systems. In our model, ground base stations (BSs) cooperatively serve multiple unmanned aerial…

Systems and Control · Electrical Eng. & Systems 2026-05-01 Fangzhi Li , Zhichu Ren , Cunhua Pan , Hong Ren , Jing Jin , Qixing Wang , Jiangzhou Wang