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Many emerging technologies for the next generation wireless network prefer line-of-sight (LOS) propagation conditions to fully release their performance advantages. This paper studies 3D unmanned aerial vehicle (UAV) placement to establish…

Systems and Control · Electrical Eng. & Systems 2024-08-27 Yuanshuai Zheng , Junting Chen

The next generation of wireless communication is expected to harness the potential of the sub-THz bands to achieve exceptional performance and ubiquitous connectivity. However, network simulators such as ns-3 currently lack support for…

Information Theory · Computer Science 2024-01-12 Hitesh Poddar , Akhileswar Chowdary , Theodore S. Rappaport , Marwa Chafii

The geo-localization and navigation technology of unmanned aerial vehicles (UAVs) in denied environments is currently a prominent research area. Prior approaches mainly employed a two-stream network with non-shared weights to extract…

Image and Video Processing · Electrical Eng. & Systems 2024-03-12 Jiahao Chen , Enhui Zheng , Ming Dai , Yifu Chen , Yusheng Lu

Impulse Radio Ultra Wide Band (IR-UWB) is a promising technology to address Wireless Sensor Network (WSN) constraints. However, existing network simulation tools do not provide a complete WSN simulation architecture, with the IR-UWB…

Networking and Internet Architecture · Computer Science 2010-02-03 Abdoulaye Berthe , Aubin Lecointre , Daniela Dragomirescu , Robert Plana

This paper studies a multi-UAV wireless network, in which multiple UAV users share the same spectrum to send individual messages to their respectively associated ground base stations (GBSs). The UAV users aim to optimize their locations to…

Information Theory · Computer Science 2022-03-14 Haoyun Li , Peiming Li , Jie Xu , Junting Chen , Yong Zeng

Accurate perception of UAVs in complex low-altitude environments is critical for airspace security and related intelligent systems. Developing reliable solutions requires large-scale, accurately annotated, and multimodal data. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Longkun Zou , Jiale Wang , Rongqin Liang , Hai Wu , Ke Chen , Yaowei Wang

To enhance both the sensing and covert communication performance, a dual-unmanned aerial vehicle (UAV)-aided scheme is proposed for integrated sensing and communication networks, in which one UAV maneuvers as the aerial dual-functional…

Information Theory · Computer Science 2025-06-03 Jingke Sun , Liang Yang , Alexandros-Apostolos A. Boulogeorgos , Theodoros A. Tsiftsis , Hongwu Liu

Active visual SLAM finds a wide array of applications in GNSS-Denied sub-terrain environments and outdoor environments for ground robots. To achieve robust localization and mapping accuracy, it is imperative to incorporate the perception…

Robotics · Computer Science 2024-01-18 Suchetan Saravanan , Corentin Chauffaut , Caroline Chanel , Damien Vivet

Modern perception systems for autonomous flight are sensitive to occlusion and have limited long-range capability, which is a key bottleneck in improving low-altitude economic task performance. Recent research has shown that the UAV-to-UAV…

Robotics · Computer Science 2024-08-29 Tongtong Feng , Xin Wang , Feilin Han , Leping Zhang , Wenwu Zhu

Ray tracing is a widely used deterministic method for radio propagation simulations, capable of producing physically accurate multipath components. The accuracy depends on the quality of the environment model and its electromagnetic…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Niklas Vaara , Pekka Sangi , Miguel Bordallo López , Janne Heikkilä

This paper presents a comprehensive study on the 3D positioning capabilities in distributed multiple-input multiple-output (MIMO) systems. Unlike previous studies that mainly rely on idealized isotropic antenna models, we adopt a…

Signal Processing · Electrical Eng. & Systems 2025-11-24 Yingjie Xu , Xuesong Cai , Ali Al-Ameri , Sara Willhammar , Fredrik Tufvesson

Recent advances in data-driven computer vision have enabled robust autonomous navigation capabilities for civil aviation, including automated landing and runway detection. However, ensuring that these systems meet the robustness and safety…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Romeo Valentin , Sydney M. Katz , Artur B. Carneiro , Don Walker , Mykel J. Kochenderfer

Unmanned aerial vehicle (UAV) as an aerial base station is a promising technology to rapidly provide wireless connectivity to ground users. Given UAV's agility and mobility, a key question is how to adapt UAV deployment to best cater to the…

Information Theory · Computer Science 2018-12-11 Zhe Wang , Lingjie Duan , Rui Zhang

In this paper, we present a novel distributed UAVs beam reforming approach to dynamically form and reform a space-selective beam path in addressing the coexistence with satellite and terrestrial communications. Despite the unique advantage…

Signal Processing · Electrical Eng. & Systems 2023-07-19 Sudhanshu Arya , Yifeng Peng , Jingda Yang , Ying Wang

Today, low-altitude fixed-wing Unmanned Aerial Vehicles (UAVs) are largely limited to primitively follow user-defined waypoints. To allow fully-autonomous remote missions in complex environments, real-time environment-aware navigation is…

The global positioning system (GPS) has become an indispensable navigation method for field operations with unmanned surface vehicles (USVs) in marine environments. However, GPS may not always be available outdoors because it is vulnerable…

With explosively increasing demands for unmanned aerial vehicle (UAV) applications, reliable link acquisition for serving UAVs is required. Considering the dynamic characteristics of UAV, it is hugely challenging to persist a reliable link…

Signal Processing · Electrical Eng. & Systems 2020-11-23 Ha-Lim Song , Young-Chai Ko

Localization of a radio frequency (RF) transmitter with intermittent transmissions is considered via a group of unmanned aerial vehicles (UAVs) equipped with omnidirectional received signal strength (RSS) sensors. This group embarks on an…

Signal Processing · Electrical Eng. & Systems 2018-01-09 Farshad Koohifar , Ismail Guvenc , Mihail L. Sichitiu

The emergence of low-cost, small form factor and light-weight solid-state LiDAR sensors have brought new opportunities for autonomous unmanned aerial vehicles (UAVs) by advancing navigation safety and computation efficiency. Yet the…

Robotics · Computer Science 2022-12-02 Fanze Kong , Xiyuan Liu , Benxu Tang , Jiarong Lin , Yunfan Ren , Yixi Cai , Fangcheng Zhu , Nan Chen , Fu Zhang

We present a waypoint planning algorithm for an unmanned aerial vehicle (UAV) that is teamed with an unmanned ground vehicle (UGV) for the task of search and rescue in a subterranean environment. The UAV and UGV are teamed such that the…

Robotics · Computer Science 2021-02-12 Matteo De Petrillo , Jared Beard , Yu Gu , Jason N. Gross