Results 1 to 10 of about 9,828 (235)

A Safe Charging Algorithm Based on Multiple Mobile Chargers [PDF]

open access: yesSensors, 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
doaj   +7 more sources

On Simultaneous Power Replenishment for Wireless Sensor Networks With Multiple Portable Chargers

open access: yesIEEE Access, 2018
Finite network lifetime severely limits the usage of sensor networks. To prolong the lifetime, researchers adopt mobile chargers to recharge sensors with external power sources.
Kai Peng   +5 more
doaj   +3 more sources

Multiple Mobile Charger Charging Strategy Based on Dual Partitioning Model for Wireless Rechargeable Sensor Networks

open access: yesIEEE Access, 2022
This paper proposes an online MMCCS (Multi-MC Cooperative Charging Strategy) for multiple Mobile Chargers (MC), affording static partition and dynamic collaboration.
Yang Jia   +3 more
doaj   +2 more sources

Energy-Aware Multiple Mobile Chargers Coordination for Wireless Rechargeable Sensor Networks [PDF]

open access: yesIEEE Internet of Things Journal, 2019
Wireless charging provides dynamic power supply for Wireless Sensor Networks (WSNs). Such systems, are typically considered under the scenario of Wireless Rechargeable Sensor Networks (WRSNs). With the use of mobile chargers (MCs), the flexibility of WRSNs is further enhanced.
Lei Mo, Angeliki Kritikakou, Shibo He
exaly   +2 more sources

Avoiding radiation of on-demand multi-node energy charging with multiple mobile chargers [PDF]

open access: yesComputer Communications, 2019
Abstract Wireless rechargeable sensor networks (WRSN) exploit wireless energy transfer techniques to replenish sensor batteries using chargers. Compared to non-rechargeable networks, WRSNs offer controllable and predictable energy replenishment and prolong the network lifetime.
exaly   +3 more sources

Improving charging capacity for wireless sensor networks by deploying one mobile vehicle with multiple removable chargers

open access: yesAd Hoc Networks, 2017
Abstract Wireless energy transfer is a promising technology to prolong the lifetime of wireless sensor networks (WSNs), by employing charging vehicles to replenish energy to lifetime-critical sensors. Existing studies on sensor charging assumed that one or multiple charging vehicles being deployed.
Wenzheng Xu, Weifa Liang, Yiqiao Cai
exaly   +2 more sources

Collaborative Energy Optimization of Multiple Chargers Based on Node Collaborative Scheduling

open access: yesInternational Journal of Distributed Sensor Networks, 2023
Wireless rechargeable sensor network (WRSN) uses mobile chargers (MCs) to charge sensor nodes wirelessly to solve the energy problems faced by traditional wireless sensor network.
Minghua Wang   +3 more
doaj   +1 more source

On optimal scheduling of multiple mobile chargers in wireless sensor networks [PDF]

open access: yesProceedings of the first international workshop on Mobile sensing, computing and communication, 2014
The limited battery capacities of sensor nodes have become the biggest impediment to the applications of wireless sensor networks (WSNs) over the years. Recent breakthroughs in wireless energy transfer-based rechargeable batteries provide a promising application of mobile vehicles in WSNs. These mobile vehicles act as mobile chargers to transfer energy
Richard Beigel   +2 more
openaire   +1 more source

Minimizing the number of wireless charging PAD for unmanned aerial vehicle–based wireless rechargeable sensor networks

open access: yesInternational Journal of Distributed Sensor Networks, 2021
In wireless rechargeable sensor networks, most researchers address energy scarcity by introducing one or multiple ground mobile vehicles to recharge energy-hungry sensor nodes. The charging efficiency is limited by the moving speed of ground chargers and
Yingjue Chen   +3 more
doaj   +1 more source

The Revolution of Mobile Phone-Enabled Services for Agricultural Development (m-Agri Services) in Africa: The Challenges for Sustainability [PDF]

open access: yes, 2020
The provision of information through mobile phone-enabled agricultural information services (m-Agri services) has the potential to revolutionise agriculture and significantly improve smallholder farmers’ livelihoods in Africa.
Dehnen-Schmutz, Katharina   +2 more
core   +1 more source

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