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The sustainable design of Internet of Things (IoT) networks encompasses considerations related to energy efficiency and autonomy as well as considerations related to reliable communications, ensuring no energy is wasted on undelivered data.…

Signal Processing · Electrical Eng. & Systems 2025-01-10 Jimmy Fernandez Landivar , Khojiakbar Botirov , Hazem Sallouha , Marcos Katz , Sofie Pollin

This paper advocates a fluid antenna system (FAS)-assisted long-range communication (LoRa-FAS) for Internet-of-Things (IoT) applications. \textcolor{blue}{In the proposed system, FAS provides spatial diversity gains for LoRa, eliminating…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Gaoze Mu , Yanzhao Hou , Kai-Kit Wong , Mingjie Chen , Qimei Cui , Xiaofeng Tao , Ping Zhang

Today, detection of anomalous events in civil infrastructures (e.g. water pipe breaks and leaks) is time consuming and often takes hours or days. Pipe breakage as one of the most frequent types of failure of water networks often causes…

Machine Learning · Computer Science 2017-03-14 Qing Han , Wentao Zhu , Yang Shi

Under conditions of high penetration of renewables, the low-voltage (LV) distribution network needs to be carefully managed. In such a scenario, an accurate real-time low-voltage power network model is an important prerequisite, which opens…

Optimization and Control · Mathematics 2019-06-19 Sergey Iakovlev , Robin J. Evans , Iven Mareels

Near-field beamfocusing enabled by extremely large-aperture arrays (ELAA) is a promising 6G technique for massive connectivity and high spectrum efficiency. While beamfocusing concentrates energy at an intended user, the radiated field…

Information Theory · Computer Science 2026-05-26 Shima Mashhadi , Tiep M. Hoang , Alireza Vahid

LoRa wireless networks are considered as a key enabling technology for next generation internet of things (IoT) systems. New IoT deployments (e.g., smart city scenarios) can have thousands of devices per square kilometer leading to huge…

Networking and Internet Architecture · Computer Science 2021-09-07 Rami Hamdi , Emna Baccour , Aiman Erbad , Marwa Qaraqe , Mounir Hamdi

Long-range frequency hopping spread spectrum (LR-FHSS) is a pivotal advancement in the LoRaWAN protocol that is designed to enhance the network's capacity and robustness, particularly in densely populated environments. Although energy…

Networking and Internet Architecture · Computer Science 2024-09-06 Roger Sanchez-Vital , Lluís Casals , Bartomeu Heer-Salva , Rafael Vidal , Carles Gomez , Eduard Garcia-Villegas

Current probabilistic flow-size monitoring can only detect heavy hitters (e.g., flows utilizing 10 times their permitted bandwidth), but cannot detect smaller overuse (e.g., flows utilizing 50-100% more than their permitted bandwidth).…

Networking and Internet Architecture · Computer Science 2021-02-03 Simon Scherrer , Che-Yu Wu , Yu-Hsi Chiang , Benjamin Rothenberger , Daniele E. Asoni , Arish Sateesan , Jo Vliegen , Nele Mentens , Hsu-Chun Hsiao , Adrian Perrig

Oceanographic instrumentation technology is currently under rapid transition towards increasingly open-source technology. Open-source buoys compete with commercial and closed-source buoys both in price, functionality and availability.…

Atmospheric and Oceanic Physics · Physics 2026-01-28 Lars Willas Dreyer , Andrea Pferscher , Riccardo Sieve , Jean Rabault , Atle Jensen , Einar Broch Johnsen , Gaute Hope

Bluetooth Low Energy (BLE) is an emerging wireless technology created for short-range control and monitoring applications that is becoming increasingly widespread among the Internet of Things (IoT) services because of its low-cost and…

Networking and Internet Architecture · Computer Science 2022-08-09 Davide Villa , Chih-Kuang Lin , Adam Kuenzi , Michael Lang

Hydraulic systems have been one of the most used technologies in many industries due to their reliance on incompressible fluids that facilitate energy and power transfer. Within such systems, hydraulic cylinders are prime devices that…

Signal Processing · Electrical Eng. & Systems 2025-08-12 Mehrbod Zarifi , Mohamad Amin Jamshidi , Zolfa Anvari , Hamed Ghafarirad , Mohammad Zareinejad

We describe a new, low-cost system designed to provide multi-sensor remote condition monitoring of modern scientific laboratories, as well as to allow users to perform actions from remote locations in case of detection of specified events.…

Networking and Internet Architecture · Computer Science 2024-06-19 Lorenzo Francesco Livi , Jacopo Catani

Wireless charging for mobile Internet of Things (IoT) devices such as smartphones is extremely difficult. To reduce energy dissipation during wireless transmission in mobile scenarios, laser or narrow radio beams with sophisticated tracking…

Signal Processing · Electrical Eng. & Systems 2022-01-14 Qingwen Liu , Mingqing Xiong , Mingqing Liu , Qingwei Jiang , Wen Fang , Yunfeng Bai

Real-time water-level monitoring across many locations is vital for flood response, infrastructure management, and environmental forecasting. Yet many sensing methods rely on fixed instruments - acoustic, radar, camera, or pressure probes -…

Signal Processing · Electrical Eng. & Systems 2025-11-27 Ayoob Salari , Kai Wu , Khawaja Fahad Masood , Y. Jay Guo , J. Andrew Zhang

Under the advocacy of the international community, more and more research topics have been built around the ocean. This paper proposed an implementation scheme of marine wireless sensor network monitoring system based on LoRa and MQTT.…

Networking and Internet Architecture · Computer Science 2019-06-25 Ao Huang , Mengxing Huang , Zhentang Shao , Xu Zhang , Di Wu , Chunjie Cao

With the popularity of wireless charging, energy access protection and cybersecurity are gaining importance, especially in public places. Currently, the most common energy encryption method uses frequency and associated impedance variation.…

Cryptography and Security · Computer Science 2025-10-01 Hui Wang , Nima Tashakor , Xiaoyang Tian , Hans D. Schotten , Stefan M. Goetz

The IoT vision of ubiquitous and pervasive computing gives rise to future smart irrigation systems comprising physical and digital world. Smart irrigation ecosystem combined with Machine Learning can provide solutions that successfully…

Machine Learning · Computer Science 2020-11-18 Lea Dujić Rodić , Tomislav Županović , Toni Perković , Petar Šolić , Joel J. P. C. Rodrigues

Long Range (LoRa) has become one of the most popular Low Power Wide Area (LPWA) technologies, which provides a desirable trade-off among communication range, battery life, and deployment cost. In LoRa networks, several transmission…

Signal Processing · Electrical Eng. & Systems 2019-02-13 Qihao Zhou , Jinyu Xing , Lu Hou , Rongtao Xu , Kan Zheng

In the residential sector, electric water heaters are appliances with a relatively high power consumption and a significant thermal inertia, which is particularly suitable for Demand Response schemes. The success of efficient DR schemes via…

Systems and Control · Electrical Eng. & Systems 2021-04-08 Thierry Zufferey , Gustavo Valverde , Gabriela Hug

We present an automated vision-based system for defect detection and classification of laser power meter sensor coatings. Our approach addresses the critical challenge of identifying coating defects such as thermal damage and scratches that…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Dongqi Zheng , Wenjin Fu , Guangzong Chen