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The maximum likelihood (ML) estimator can be applied to localize a target mobile device using the RSS and TOA. However, the ML estimator for the RSS-TOA-based target localization problem is nonconvex and nonlinear, having no analytical…

Signal Processing · Electrical Eng. & Systems 2023-09-12 Halim Lee , Jiwon Seo

In this paper, we investigate the downlink performance of a three-tier heterogeneous network (HetNet). The objective is to enhance the edge capacity of a macro cell by deploying unmanned aerial vehicles (UAVs) as flying base stations and…

Signal Processing · Electrical Eng. & Systems 2020-07-30 S. T. Muntaha , S. A. Hassan , H. Jung , M. S. Hossain

This paper explores the potential of 5G new radio (NR) Time-of-Arrival (TOA) data for indoor drone localization under different scenarios and conditions when fused with inertial measurement unit (IMU) data. Our approach involves performing…

Robotics · Computer Science 2023-06-19 Meisam Kabiri , Claudio Cimarelli , Hriday Bavle , Jose Luis Sanchez-Lopez , Holger Voos

Existing learning methods for LiDAR-based applications use 3D points scanned under a pre-determined beam configuration, e.g., the elevation angles of beams are often evenly distributed. Those fixed configurations are task-agnostic, so…

Robotics · Computer Science 2023-03-29 Niclas Vödisch , Ozan Unal , Ke Li , Luc Van Gool , Dengxin Dai

In this paper, we investigate robust resource allocation algorithm design for multiuser downlink multiple-input single-output (MISO) unmanned aerial vehicle (UAV) communication systems, where we account for the various uncertainties that…

Signal Processing · Electrical Eng. & Systems 2019-05-29 Dongfang Xu , Yan Sun , Derrick Wing Kwan Ng , Robert Schober

Retrieving relevant multimedia content is one of the main problems in a world that is increasingly data-driven. With the proliferation of drones, high quality aerial footage is now available to a wide audience for the first time.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Fabian Deuser , Konrad Habel , Martin Werner , Norbert Oswald

In emergency search and rescue scenarios, the quick location of trapped people is essential. However, disasters can render the Global Positioning System (GPS) unusable. Unmanned aerial vehicles (UAVs) with localization devices can serve as…

Multiagent Systems · Computer Science 2024-01-17 Zhihao Zhu , Jiafan He , Luyang Hou , Lianming Xu , Wendi Zhu , Li Wang

Biological transport networks are highly optimized structures that ensure power-efficient distribution of fluids across various domains, including animal vasculature and plant venation. Theoretically, these networks can be described as…

Biological Physics · Physics 2025-08-01 Albert Alonso , Lars Erik J. Skjegstad , Julius B. Kirkegaard

A new method for estimating the relative positions of location-unaware nodes from the location-aware nodes and the received signal strength (RSS) between the nodes, in a wireless sensor network (WSN), is proposed. In the method, a…

Networking and Internet Architecture · Computer Science 2014-02-11 R. C. Nongpiur

Unmanned aerial vehicles (UAVs) are developing rapidly owing to flexible deployment and access services as air base stations. However, the channel errors of low-altitude communication links formed by mobile deployment of UAVs cannot be…

Information Theory · Computer Science 2020-05-06 Haijun Zhang , Jianmin Zhang , Keping Long

Tracking and locating radio-tagged wildlife is a labor-intensive and time-consuming task necessary in wildlife conservation. In this article, we focus on the problem of achieving embedded autonomy for a resource-limited aerial robot for the…

Robotics · Computer Science 2021-10-04 Hoa Van Nguyen , Fei Chen , Joshua Chesser , Hamid Rezatofighi , Damith Ranasinghe

We present a complete infrastructure-less magneto-inductive (MI) localization system enabling a lightweight UAV to autonomously hover, track, and land with centimeter precision on a mobile quadruped robot acting as a dynamic docking pad.…

Robotics · Computer Science 2026-03-11 Valerio Brunacci , Davide Plozza , Alessio De Angelis , Michele Magno , Tommaso Polonelli

One of the main challenges slowing the deployment of airborne base stations (BSs) using unmanned aerial vehicles (UAVs) is the limited on-board energy and flight time. One potential solution to such problem, is to provide the UAV with power…

Information Theory · Computer Science 2019-07-10 Mustafa A. Kishk , Ahmed Bader , Mohamed-Slim Alouini

Unmanned aerial vehicles (UAVs) have been attracting significant attention because there is a high probability of line-of-sight links being obtained between them and terrestrial nodes in high-rise urban areas. In this work, we investigate…

Information Theory · Computer Science 2024-06-04 Hongjiang Lei , Xiaqiu Wu , Ki-Hong Park , Gaofeng Pan

Multiple unmanned aerial vehicles (UAVs) play a vital role in monitoring and data collection in wide area environments with harsh conditions. In most scenarios, issues such as real-time data retrieval and real-time UAV positioning are often…

Multiagent Systems · Computer Science 2025-06-24 Ming He , Peizhao Wang , Haihua Chen , Bin Sun , Hongpeng Wang

Unmanned aerial vehicle (UAV)-enabled communication is a promising technology to extend coverage and enhance throughput for traditional terrestrial wireless communication systems. In this paper, we consider a UAV-enabled wireless sensor…

Information Theory · Computer Science 2020-02-25 Jingwei Zhang , Yong Zeng , Rui Zhang

With more satellite and model precipitation data becoming available, new analytical methods are needed that can take advantage of emerging data patterns to make well informed predictions in many hydrological applications. We propose a new…

Numerical Analysis · Mathematics 2019-08-30 Zichao Wendy Di , Viviana Maggioni , Yiwen Mei , Marilyn Vazquez , Paul Houser , Maria Emelianenko

Managing the explosion of data from the edge to the cloud requires intelligent supervision such as fog node deployments, which is an essential task to assess network operability. To ensure network operability, the deployment process must be…

Networking and Internet Architecture · Computer Science 2024-04-16 Abdenacer Naouri , Nabil Abdelkader Nouri , Sahraoui Dhelim , Amar Khelloufi , Abdelkarim Ben Sada , Huansheng Ning

In this paper, we present a load-balancing approach to analyze and partition the UAV perception and navigation intelligence (PNI) code for parallel execution, as well as assigning each parallel computational task to a processing element in…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-12-12 Jingyu He , Yao Xiao , Corina Bogdan , Shahin Nazarian , Paul Bogdan

Unmanned Aerial Vehicle (UAV) visual geo-localization aims to match images of the same geographic target captured from different views, i.e., the UAV view and the satellite view. It is very challenging due to the large appearance…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Cuiwei Liu , Jiahao Liu , Huaijun Qiu , Zhaokui Li , Xiangbin Shi