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Advancements in unmanned aerial vehicle (UAV) technology have led to their increased utilization in various commercial and military applications. One such application is signal source search and localization (SSSL) using UAVs, which offers…

Signal Processing · Electrical Eng. & Systems 2023-05-30 Hyeokjun Kwon , Sung Joon Maeng , Ismail Guvenc

In this paper, we investigate the problem of UAV-aided user localization in wireless networks. Unlike the existing works, we do not assume perfect knowledge of the UAV location, hence we not only need to localize the users but also to track…

Information Theory · Computer Science 2023-05-25 Omid Esrafilian , Rajeev Gangula , David Gesbert

Ensuring reliable and seamless wireless connectivity for unmanned aerial vehicles (UAVs) has emerged as a critical requirement for a wide range of applications. The increasing deployment of UAVs has increased the significance of…

Signal Processing · Electrical Eng. & Systems 2023-10-04 Sung Joon Maeng , Hyeokjun Kwon , Ozgur Ozdemir , İsmail Güvenç

In recent years, unmanned aerial vehicles (UAVs) have been considered for telecommunications purposes as relays, caches, or IoT data collectors. In addition to being easy to deploy, their maneuverability allows them to adjust their location…

Signal Processing · Electrical Eng. & Systems 2019-07-16 Enes Krijestorac , Samer Hanna , Danijela Cabric

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

In recent years, Unmanned Aerial Vehicles (UAVs) have been utilized as effective platforms for carrying Wi-Fi Access Points (APs) and cellular Base Stations (BSs), enabling low-cost, agile, and flexible wireless networks with high Quality…

Networking and Internet Architecture · Computer Science 2025-07-25 Kamal Shayegan

In this letter, the localization of terrestrial nodes when unmanned aerial vehicles (UAVs) are used as base stations is investigated. Particularly, a novel localization scenario based on received signal strength (RSS) from terrestrial nodes…

Networking and Internet Architecture · Computer Science 2017-12-06 Hazem Sallouha , Mohammad Mahdi Azari , Alessandro Chiumento , Sofie Pollin

This paper studies optimal unmanned aerial vehicle (UAV) placement to ensure line-of-sight (LOS) communication and sensing for a cluster of ground users possibly in deep shadow, while the UAV maintains backhaul connectivity with a base…

Systems and Control · Electrical Eng. & Systems 2024-09-04 Yuanshuai Zheng , Junting Chen

In this paper, we propose a distributed solution to the navigation of a population of unmanned aerial vehicles (UAVs) to best localize a static source. The network is considered heterogeneous with UAVs equipped with received signal strength…

Signal Processing · Electrical Eng. & Systems 2020-07-23 Anna Guerra , Davide Dardari , Petar M. Djuric

Trust region optimization-based received signal strength indicator (RSSI) interference source localization methods have been widely used in low-altitude research. However, these methods often converge to local optima in complex…

Signal Processing · Electrical Eng. & Systems 2025-04-29 Guochen Gu , Zhipeng Lin , Qiuming Zhu , Junchang Chen , Qihui Wu , Hongtao Duan , Yang Huang , Weizhi Zhong

This paper considers the challenge of localizing ground users with the help of a radio-equipped unmanned aerial vehicle (UAV) that collects measurements from users. We utilize time-of-arrival (ToA) measurements estimated from the radio…

Information Theory · Computer Science 2025-03-26 Omid Esrafilian , Rakesh Mundlamuri , Florian Kaltenberger , Raymond Knopp , David Gesbert

Unmanned aerial vehicles (UAVs) can be used as aerial wireless base stations when cellular networks go down. Prior studies on UAV-based wireless coverage typically consider an Air-to-Ground path loss model, which assumes that the users are…

Information Theory · Computer Science 2017-05-30 Hazim Shakhatreh , Abdallah Khreishah , Ayoub Alsarhan , Issa Khalil , Ahmad Sawalmeh , Noor Shamsiah Othman

In low altitude UAV communications, accurate channel estimation remains challenging due to the dynamic nature of air to ground links, exacerbated by high node mobility and the use of large scale antenna arrays, which introduce hybrid near…

Information Theory · Computer Science 2025-10-24 Wenli Yuan , Kan Yu , Xiaowu Liu , Kaixuan Li , Qixun Zhang , Zhiyong Feng

The use of unmanned aerial vehicles (UAV) as flying radio access network (RAN) nodes offers a promising complement to traditional fixed terrestrial deployments. More recently yet still in the context of wireless networks, drones have also…

Information Theory · Computer Science 2022-05-09 David Gesbert , Omid Esrafilian , Junting Chen , Rajeev Gangula , Urbashi Mitra

This paper constructs a full dimensional (6D) radio map to predict the channel gain between any transmitter location and any receiver location based on received signal strength (RSS) measurements between low-altitude aerial nodes and ground…

Signal Processing · Electrical Eng. & Systems 2022-09-02 Wenjie Liu , Junting Chen

Localizing radio frequency (RF) sources with an unmanned aerial vehicle (UAV) has many important applications. As a result, UAV-based localization has been the focus of much research. However, previous approaches rely heavily on custom…

Robotics · Computer Science 2018-08-15 Louis Dressel , Mykel J. Kochenderfer

Location information is a fundamental requirement for unmanned aerial vehicles (UAVs) and other wireless sensor networks (WSNs). However, accurately and efficiently localizing sensor nodes with diverse functionalities remains a significant…

Networking and Internet Architecture · Computer Science 2025-06-03 Ze Zhang , Qian Dong

In this paper, we focus on the potential use of unmanned aerial vehicles (UAVs) for search and rescue (SAR) missions in GPS-denied indoor environments. We consider the problem of navigating a UAV to a wireless signal source, e.g., a…

Signal Processing · Electrical Eng. & Systems 2019-06-03 Md Moin Uddin Chowdhury , Fatih Erden , Ismail Guvenc

Powered by the advances in microelectronics technologies, unmanned aerial vehicles (UAVs) provide a vast variety of services ranging from surveillance to delivery in both military and civilian domains. It is clear that a successful…

Signal Processing · Electrical Eng. & Systems 2020-03-10 Burak Ede , Serhan Yarkan , Ali Rıza Ekti , Tunçer Baykaş , Hakan Ali Çırpan , Ali Görçin

Localization of a radio frequency (RF) signal source has various use cases, ranging from search and rescue, identification and deactivation of jammers, and tracking hostile activity near borders or on the battlefield. The use of unmanned…

Signal Processing · Electrical Eng. & Systems 2023-01-18 Hyeokjun Kwon , Ismail Guvenc
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