Results 31 to 40 of about 2,170 (179)
A coverage-aware energy replenishment scheme for wireless rechargeable sensor networks
EURASIP Journal on Wireless Communications and Networking, 2017 Wireless rechargeable sensor networks are becoming crucial and important in recent years for the advancement of wireless energy transmission technology. The previous research showed that not all of sensors can be recharged due to the limitation of energy
Kuei-Ping Shih, Chi-Ming Yang
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Applied Sciences, 2020 Great improvement recently appeared in terms of efficient service delivery in wireless sensor networks (WSNs) for Internet of things (IoT). The IoT is mainly dependent on optimal routing of energy-aware WSNs for gathering data.
Liangrui Tang +3 more
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Energies, 2016 Traditional sensor nodes are usually battery powered, and the limited battery power constrains the overall lifespan of the sensors. Recently, wireless power transmission technology has been applied in wireless sensor networks (WSNs) to transmit wireless ...
Tu-Liang Lin +2 more
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A Safe Charging Algorithm Based on Multiple Mobile Chargers
Sensors, 2020 A safe charging algorithm in wireless rechargeable sensor network ensures the charging efficiency and the electromagnetic radiation below the threshold. Compared with the current charging algorithms, the safe charging algorithm is more complicated due to
Wei Wang +5 more
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FCS-MBFLEACH: Designing an Energy-Aware Fault Detection System for Mobile Wireless Sensor Networks
Mathematics, 2019 Wireless sensor networks (WSNs) include large-scale sensor nodes that are densely distributed over a geographical region that is completely randomized for monitoring, identifying, and analyzing physical events.
Shahaboddin Shamshirband +5 more
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Reinforcement Learning based Node Sleep or Wake-up Time Scheduling Algorithm for Wireless Sensor Network [PDF]
International Journal of Mathematical, Engineering and Management Sciences, 2020 A wireless sensor network is a collection of small sensor nodes that have limited energy and are usually not rechargeable. Because of this, the lifetime of wireless sensor networks has always been a challenging area.
Parag Verma +3 more
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Trajectory Optimization of Laser-Charged UAVs for Charging Wireless Rechargeable Sensor Networks
Sensors, 2022 This paper considers a laser-powered unmanned aerial vehicle (UAV)-enabled wireless power transfer (WPT) system. In the system, a UAV is dispatched as an energy transmitter to replenish energy for battery-limited sensors in a wireless rechargeable sensor
Ning Liu +4 more
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Predicting-Scheduling-Tracking: Charging Nodes With Non-Deterministic Mobility
IEEE Access, 2021 In Wireless Sensor Networks (WSN), the energy problem plays the critical role in network performance and lifetime, because of the limited battery capacities of sensor nodes.
Yuanhao Li, Lingyun Zhong, Feng Lin
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Advanced Healthcare Materials, EarlyView.This review highlights recent advances in smart face masks that actively monitor breathing. By integrating humidity, gas, temperature, pressure, strain, and triboelectric sensors, these masks track key respiratory parameters in real time. The article summarizes sensor mechanisms, compares performance across studies, and discusses challenges and future ...
Negin Faramarzi +7 more
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Energies, 2020 Conventional sensor nodes are often battery-powered, and battery power limits the overall lifetime of the wireless sensor networks (WSNs). Wireless charging technology can be implemented in WSNs to supply power to sensor nodes and resolve the problem of ...
Tu-Liang Lin +2 more
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