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Radio tomographic imaging (RTI) is an emerging technology to locate physical objects in a geographical area covered by wireless networks. From the attenuation measurements collected at spatially distributed sensors, radio tomography…

Signal Processing · Electrical Eng. & Systems 2019-03-27 Donghoon Lee , Dimitris Berberidis , Georgios B. Giannakis

The fast motion of Low Earth Orbit (LEO) satellites causes the propagation channel to vary rapidly, and its behavior is strongly shaped by the surrounding environment, especially at low elevation angles where signals are highly susceptible…

Networking and Internet Architecture · Computer Science 2026-03-27 Jingyi Tian , Lin Cai

The creation of digital twins of experimental testbeds allows the validation of novel wireless networking solutions and the evaluation of their performance in realistic conditions, without the cost, complexity and limited availability of…

Line-of-sight (LoS) path is essential for the reliability of air-to-ground (A2G) communications, but the existence of LoS path is difficult to predict due to random obstacles on the ground. Based on the statistical geographic information…

Signal Processing · Electrical Eng. & Systems 2022-08-17 Qiuming Zhu , Fei Bai , Minghui Pang , Jie Li , Weizhi Zhong , Xiaomin Chen , Kai Mao

This paper presents a field-based evaluation of Long Range Wide Area Network (LoRaWAN) signal propagation conducted at two locations within the Aerial Experimentation and Research Platform for Advanced Wireless (AERPAW) testbed: Lake…

Signal Processing · Electrical Eng. & Systems 2026-04-09 Sergio Vargas Villar , Simran Singh , Özgür Özdemir , Mihail L. Sichitiu , İsmail Güvenç

Low earth orbit (LEO) satellite networks have the potential to provide low-latency communication with global coverage. To unleash this potential, it is crucial to achieve efficient packet delivery. In this paper, we propose a…

Networking and Internet Architecture · Computer Science 2024-11-19 Hefan Zhang , Zhiyuan Wang , Shan Zhang , Qingkai Meng , Hongbin Luo

Modern agricultural applications require knowledge about the position and size of fruits on plants. However, occlusions from leaves typically make obtaining this information difficult. We present a novel viewpoint planning approach that…

Robotics · Computer Science 2021-08-19 Tobias Zaenker , Claus Smitt , Chris McCool , Maren Bennewitz

Increasing penetration of wind and renewable generation poses significant challenges to the power system operations and reliability. This paper considers the real-time optimal transmission switching (OTS) problem for determining the…

Optimization and Control · Mathematics 2020-02-05 Yuqi Zhou , Hao Zhu , Grani A. Hanasusanto

This paper investigates the deployment of radio stripe systems for indoor radio-frequency (RF) wireless power transfer (WPT) in line-of-sight near-field scenarios. The focus is on environments where energy demand is concentrated in specific…

Signal Processing · Electrical Eng. & Systems 2025-09-23 Amirhossein Azarbahram , Onel L. A. López , Petar Popovski , Matti Latva-aho

Geographic locations of cellular base stations sometimes can be well fitted with spatial homogeneous Poisson point processes. In this paper we make a complementary observation: In the presence of the log-normal shadowing of sufficiently…

Networking and Internet Architecture · Computer Science 2015-02-11 Bartlomiej Blaszczyszyn , Mohamed Kadhem Karray , Holger Paul Keeler

Low Power Wide Area (LPWA) networks are making spectacular progress from design, standardisation, to commercialisation. At this time of fast-paced adoption, it is of utmost importance to analyse how well these technologies will scale as the…

Networking and Internet Architecture · Computer Science 2017-09-29 Orestis Georgiou , Usman Raza

3rd Generation Partnership Project (3GPP) Technical Report (TR) 38.901 channel models (Releases 15-19) are widely used for physical-layer design and system-level evaluation in dense urban outdoor-to-indoor (O2I) and indoor environments.…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Julia Andrusenko , Chloe Makdad

Phylogenetic networks are used to represent the evolutionary history of species. Recently, the new class of orchard networks was introduced, which were later shown to be interpretable as trees with additional horizontal arcs. This makes the…

Combinatorics · Mathematics 2023-05-09 Leo van Iersel , Mark Jones , Esther Julien , Yukihiro Murakami

LoRa low-power wide-area network protocol has recently gained attention for deploying ad-hoc search and rescue (SaR) systems. They could be empowered by exploiting body-UAV links that enable communications between a body-worn radio and a…

Signal Processing · Electrical Eng. & Systems 2023-03-28 Giulio Maria Bianco , Gaetano Marrocco

Free space optical communication has been applied in many scenarios because of its security, low cost and high rates. In such scenarios, a tracking system is necessary to ensure an acceptable signal power. Free space optical links were…

Signal Processing · Electrical Eng. & Systems 2020-04-27 Kehan Zhang , Bingcheng Zhu , Zaichen Zhang , Haibo Wang

The emerging field of smart agriculture leverages the Internet of Things (IoT) to revolutionize farming practices. This paper investigates the transformative potential of Long Range (LoRa) technology as a key enabler of long-range wireless…

Networking and Internet Architecture · Computer Science 2024-09-18 Lameya Aldhaheri , Noor Alshehhi , Irfana Ilyas Jameela Manzil , Ruhul Amin Khalil , Shumaila Javaid , Nasir Saeed , Mohamed-Slim Alouini

The practical limitations and challenges of radio frequency (RF) based communication networks have become increasingly apparent over the past decade, leading researchers to seek new hybrid communication approaches. One promising strategy…

Networking and Internet Architecture · Computer Science 2017-06-22 Osama Awwad , Ala Al-Fuqaha , Bilal Khan , Ghassen Ben Brahim

Over the past few decades, attempts had been made to build a suitable channel prediction model to optimize radio transmission systems. It is particularly essential to predict the path loss due to the blockage of the signal, in indoor radio…

Signal Processing · Electrical Eng. & Systems 2020-12-17 Taewon Kang , Jiwon Seo

The long-range and low energy consumption requirements in Internet of Things (IoT) applications have led to a new wireless communication technology known as Low Power Wide Area Network (LPWANs). In recent years, the Long Range (LoRa)…

Networking and Internet Architecture · Computer Science 2022-10-27 Reza Serati , Benyamin Teymuri , Nikolaos Athanasios Anagnostopoulos , Mehdi Rasti

In networks that grow by isotropic redirection (IR), a new node selects an initial target node uniformly at random and attaches to a randomly chosen neighbor of the target. The emerging networks exhibit leaf proliferation, in which the…

Statistical Mechanics · Physics 2026-04-03 Harrison Hartle , P. L. Krapivsky , S. Redner , Yuanzhao Zhang