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Sensor nodes with energy harvesting sources are gaining popularity due to their ability to improve the network life time and are becoming a preferred choice supporting `green communication'. We study such a sensor node with an energy…

Information Theory · Computer Science 2011-02-22 R Rajesh , Vinod Sharma , Pramod Viswanath

Vibration energy harvesting is a promising solution for powering battery-free IoT systems; however, the instability of ambient vibrations presents significant challenges, such as limited harvested energy, intermittent power supply, and poor…

We propose a novel use of the conventional energy storage component, i.e., capacitor, in kinetic-powered wearable IoTs as a sensor to detect human activities. Since different activities accumulate energies in the capacitor at different…

Human-Computer Interaction · Computer Science 2018-06-20 Guohao Lan , Dong Ma , Weitao Xu , Mahbub Hassan , Wen Hu

In recent years, transformer models have revolutionized Natural Language Processing (NLP) and shown promising performance on Computer Vision (CV) tasks. Despite their effectiveness, transformers' attention operations are hard to accelerate…

Hardware Architecture · Computer Science 2022-04-26 Zhe Zhou , Junlin Liu , Zhenyu Gu , Guangyu Sun

Internet of Things (IoT) devices are rapidly expanding in many areas, including deep mines, space, industrial environments, and health monitoring systems. Most of the sensors and actuators are battery-powered, and these batteries have a…

Hardware Architecture · Computer Science 2023-06-22 Satyajaswanth Badri , Mukesh Saini , Neeraj Goel

This paper considers an energy harvesting sensor node with battery size $B_{max}$ that recharges its battery through an incremental energy harvesting process and receives updates from a single information source in slotted time. The node…

Information Theory · Computer Science 2019-11-07 Parisa Rafiee , Omur Ozel

This paper presents a comprehensive mathematical model to characterize the energy dynamics of batteryless IoT sensor nodes powered entirely by ambient energy harvesting. The model captures both the energy harvesting and consumption phases,…

Signal Processing · Electrical Eng. & Systems 2025-07-29 Jimmy Fernandez Landivar , Andrea Zanella , Ihsane Gryech , Sofie Pollin , Hazem Sallouha

The rapid proliferation of drones requires balancing innovation with regulation. To address security and privacy concerns, techniques for drone detection have attracted significant attention.Passive solutions, such as frame camera-based…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Kuan Dai , Hongxin Zhang , Sheng Zhong , Yi Zhou

We consider the problem of quickest event detection with sleep-wake scheduling in small extent wireless sensor networks in which, at each time slot, each sensor node in the awake state observes a sample and communicates the information to…

Networking and Internet Architecture · Computer Science 2011-05-31 Premkumar Karumbu , Anurag Kumar

In the Internet of Things (IoT), thousands of devices can be deployed to acquire data from the environment and provide service to several applications in different fields. In many cases, it is desirable that devices are self-sustainable in…

Networking and Internet Architecture · Computer Science 2021-03-29 Martina Capuzzo , Carmen Delgado , Jeroen Famaey , Andrea Zanella

Wearable devices have strict power and memory limitations. As a result, there is a need to optimize the power consumption on those devices without sacrificing the accuracy. This paper presents AdaSense: a sensing, feature extraction and…

Signal Processing · Electrical Eng. & Systems 2020-06-11 Marina Neseem , Jon Nelson , Sherief Reda

Industrial wireless sensor networks enable real-time data collection, analysis, and control by interconnecting diverse industrial devices. In these industrial settings, power outlets are not always available, and reliance on battery power…

Networking and Internet Architecture · Computer Science 2024-07-31 Dries Van Leemput , Jeroen Hoebeke , Eli De Poorter

Multi-sensor systems are widely used in the Internet of Things, environmental monitoring, and intelligent manufacturing. However, traditional fixed-frequency sampling strategies often lead to severe data redundancy, high energy consumption,…

Machine Learning · Computer Science 2025-04-15 Weiqiang Huang , Juecen Zhan , Yumeng Sun , Xu Han , Tai An , Nan Jiang

The use of wearable and mobile devices for health monitoring and activity recognition applications is increasing rapidly. These devices need to maximize their accuracy and active time under a tight energy budget imposed by battery and small…

Signal Processing · Electrical Eng. & Systems 2019-02-25 Ganapati Bhat , Kunal Bagewadi , Hyung Gyu Lee , Umit Y. Ogras

To improve sustainability, Internet-of-Things (IoT) is increasingly adopting battery-free devices powered by ambient energy scavenged from the environment. The unpredictable availability of ambient energy leads to device intermittency,…

Networking and Internet Architecture · Computer Science 2025-05-01 Gaosheng Liu , Kasım Sinan Yıldırım , Lin Wang

Wireless sensor nodes spend most of their time in standby mode and wake up periodically to send the measurement data. Conventionally, the wake-up function is realized using a radio-frequency oscillator with an amplifier to recognize an…

Signal Processing · Electrical Eng. & Systems 2020-05-21 Uliana Dudko , Ludger Overmeyer

A novel smart metering technique capable of anomaly detection was proposed for real-time home power management system. Smart meter data generated in real-time was obtained from 900 households of single apartments. To detect outliers and…

Systems and Control · Electrical Eng. & Systems 2022-07-21 Sangkeum Lee , Sarvar Hussain Nengroo , Hojun Jin , Yoonmee Doh , Chungho Lee , Taewook Heo , Dongsoo Har

Internet of Things forms the backbone of modern building applications. Wireless sensors are being increasingly adopted for their flexibility and reduced cost of deployment. However, most wireless sensors are powered by batteries today and…

Systems and Control · Electrical Eng. & Systems 2020-08-05 Francesco Fraternali , Bharathan Balaji , Yuvraj Agarwal , Rajesh K. Gupta

IoT devices are increasingly being implemented with neural network models to enable smart applications. Energy harvesting (EH) technology that harvests energy from ambient environment is a promising alternative to batteries for powering…

Machine Learning · Computer Science 2022-09-28 Sahidul Islam , Shanglin Zhou , Ran Ran , Yufang Jin , Wujie Wen , Caiwen Ding , Mimi Xie

Energy harvesting battery-free embedded devices rely only on ambient energy harvesting that enables stand-alone and sustainable IoT applications. These devices execute programs when the harvested ambient energy in their energy reservoir is…

Software Engineering · Computer Science 2022-11-24 Ferhat Erata , Arda Goknil , Eren Yıldız , Kasım Sinan Yıldırım , Ruzica Piskac , Jakub Szefer , Gökçin Sezgin