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Unmanned aerial vehicles (UAVs) can provide wireless access to terrestrial users, regardless of geographical constraints, and will be an important part of future communication systems. In this paper, a multi-user downlink dual-UAVs enabled…

Information Theory · Computer Science 2023-10-24 Hongjiang Lei , Jiacheng Jiang , Imran Shafique Ansari , Gaofeng Pan , Mohamed-Slim Alouini

A novel movable antenna (MA)-aided secure transmission framework is proposed to enhance the secrecy transmission rate without relying on the eavesdropper's channel state information. Within this framework, a joint beamforming and jamming…

Signal Processing · Electrical Eng. & Systems 2024-12-30 Zhenqiao Cheng , Chongjun Ouyang , Xingqi Zhang

This paper investigates a novel communication paradigm employing movable antennas (MAs) within a multiple-input single-output (MISO) non-orthogonal multiple access (NOMA) downlink framework, where users are equipped with MAs. Initially,…

Information Theory · Computer Science 2024-08-09 Yufeng Zhou , Wen Chen , Qingqing Wu , Xusheng Zhu , Nan Cheng

Many problems can be viewed as forms of geospatial search aided by aerial imagery, with examples ranging from detecting poaching activity to human trafficking. We model this class of problems in a visual active search (VAS) framework, which…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Anindya Sarkar , Michael Lanier , Scott Alfeld , Jiarui Feng , Roman Garnett , Nathan Jacobs , Yevgeniy Vorobeychik

This paper presents a novel control strategy for drone networks to improve the quality of 3D structures reconstructed from aerial images by drones. Unlike the existing coverage control strategies for this purpose, our proposed approach…

Optimization and Control · Mathematics 2024-04-23 Zhiyuan Lu , Muhammad Hanif , Takumi Shimizu , Takeshi Hatanaka

This paper proposes a distributed coverage control strategy for quadcopters equipped with downward-facing cameras that prevents the appearance of unmonitored areas in between the quadcopters' fields of view (FOVs). We derive a necessary and…

Systems and Control · Electrical Eng. & Systems 2024-01-05 Riku Funada , María Santos , Ryuichi Maniwa , Junya Yamauchi , Masayuki Fujita , Mitsuji Sampei , Magnus Egerstedt

This research aims at developing path and motion planning algorithms for a tethered Unmanned Aerial Vehicle (UAV) to visually assist a teleoperated primary robot in unstructured or confined environments. The emerging state of the practice…

Robotics · Computer Science 2020-07-21 Xuesu Xiao

When the concept of fluid antenna system (FAS) is applied to multiple-input multiple-output (MIMO) systems, this gives rise to MIMO-FAS, a.k.a.~fluid MIMO. Under rich scattering, the spatial correlation matrices are governed by the…

Signal Processing · Electrical Eng. & Systems 2026-03-10 Tuo Wu , Kai-Kit Wong , Baiyang Liu , Kin-Fai Tong , Hyundong Shin

In this paper, we consider the problem of covering a plane region with unit discs. We present an improved upper bound and the first nontrivial lower bound on the number of discs needed for such a covering, depending on the area and…

Computational Geometry · Computer Science 2021-08-03 Shai Gul , Reuven Cohen , Simi Haber

Unmanned aerial vehicles (UAVs) have attracted significant interest recently in wireless communication due to their high maneuverability, flexible deployment, and low cost. This paper studies a UAV-enabled wireless network where the UAV is…

Information Theory · Computer Science 2017-04-10 Qingqing Wu , Yong Zeng , Rui Zhang

In this paper, we present a vision based collaborative localization framework for groups of micro aerial vehicles (MAV). The vehicles are each assumed to be equipped with a forward-facing monocular camera, and to be capable of communicating…

Robotics · Computer Science 2018-04-10 Sai Vemprala , Srikanth Saripalli

We present a novel control strategy for a team of unmanned aerial vehicles (UAVs) to autonomously achieve a desired formation using only visual feedback provided by the UAV's onboard cameras. This effectively eliminates the need for global…

Robotics · Computer Science 2018-09-05 Kaveh Fathian , Emily Doucette , J. Willard Curtis , Nicholas R. Gans

In this paper, we study unmanned aerial vehicle (UAV) assisted mobile edge computing (MEC) with the objective to optimize computation offloading with minimum UAV energy consumption. In the considered scenario, a UAV plays the role of an…

Networking and Internet Architecture · Computer Science 2020-07-31 Mushu Li , Nan Cheng , Jie Gao , Yinlu Wang , Lian Zhao , Xuemin , Shen

The deployment of aerial base stations (ABSs) on unmanned aerial vehicles (UAVs) presents a promising solution for extending cellular connectivity to areas where terrestrial infrastructure is overloaded, damaged, or absent. A pivotal…

Optimization and Control · Mathematics 2024-04-12 Daniel Romero , Pham Q. Viet , Raju Shrestha

We address a dynamic covering location problem of an Unmanned Aerial Vehicle Base Station (UAV-BS), where the location sequence of a single UAV-BS in a wireless communication network is determined to satisfy data demand arising from ground…

Optimization and Control · Mathematics 2021-01-13 Cihan Tugrul Cicek , Zuo-Jun Max Shen , Hakan Gultekin , Bulent Tavli

We propose an online iterative algorithm to optimize a convex cover to under-approximate the free space for autonomous navigation to delineate Safe Flight Corridors (SFC). The convex cover consists of a set of polytopes such that the union…

Robotics · Computer Science 2025-03-28 Yuwei Wu , Igor Spasojevic , Pratik Chaudhari , Vijay Kumar

Movable antenna (MA) has been recently proposed as a promising candidate technology for the next generation wireless communication systems due to its significant capability of reconfiguring wireless channels via antenna movement. In this…

Signal Processing · Electrical Eng. & Systems 2025-01-17 Nianzu Li , Peiran Wu , Boyu Ning , Lipeng Zhu

This paper presents a strategy to guide a mobile ground robot equipped with a camera or depth sensor, in order to autonomously map the visible part of a bounded three-dimensional structure. We describe motion planning algorithms that…

Robotics · Computer Science 2017-11-15 Manikandasriram Srinivasan Ramanagopal , André Phu-Van Nguyen , Jerome Le Ny

Movable antenna (MA) systems have emerged as a promising technology for future wireless communication systems. The movement of antennas gives rise to mutual coupling (MC) effects, which have been previously ignored and can be exploited to…

Information Theory · Computer Science 2026-03-16 Tianyi Liao , Wei Guo , Jun Qian , Shenghui Song , Jun Zhang , Khaled B. Letaief

This work investigates the coverage control problem over a static, compact, and convex workspace and develops a hybrid extension of the continuous-time Lloyd algorithm. Each agent in a multi-agent system (MAS) is equipped with a timer…

Systems and Control · Electrical Eng. & Systems 2024-11-13 Federico M. Zegers , Sean Phillips , Gregory P. Hicks
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