Results 61 to 70 of about 8,910 (210)

Smart Closed‐Loop Systems in Personalized Healthcare: Advances and Outlook

Advanced Materials Technologies, EarlyView.
A smart closed‐loop e‐textile integrates multimodal sensing, onboard processing, wireless communication, and wearable power to enable real‐time physiological/biochemical monitoring and feedback‐controlled therapy. ABSTRACT Smart textiles represent a revolutionary frontier in healthcare, seamlessly blending fabric and advanced technologies to create ...
Safoora Khosravi, Sang Won Lee, Mohammad Abrar Uddin, Sina Hassanpoor, Neha Suvindran, Katherine Le, Harun Arkaz, Harishkumar Narayana, Saeid Soltanian, Danial Khorsandi, Negar Hosseinzadeh Kouchehbaghi, Taeil Kim, Yangzhi Zhu   +12 more
wiley   +1 more source

Markov Decision Processes with Applications in Wireless Sensor Networks: A Survey [PDF]

, 2015
Wireless sensor networks (WSNs) consist of autonomous and resource-limited devices. The devices cooperate to monitor one or more physical phenomena within an area of interest.
Alsheikh, Mohammad Abu, Hoang, Dinh Thai, Lin, Shaowei, Niyato, Dusit, Tan, Hwee-Pink   +4 more
core   +3 more sources

Recharging wireless sensor networks using drones and wireless power transfer [PDF]

2018 IEEE 29th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), 2018
In this paper, we tackle the optimal energy replenishment problem (OERP) using a given number of flying drones, in order to efficiently recharge wireless sensor nodes. We present a linear program that maximizes the amount of harvested energy to the sensors.
Caillouet, Christelle, Razafindralambo, Tahiry, Zorbas, Dimitrios   +2 more
openaire   +1 more source

Toward Wireless Implantable Robotic Systems Driven by Magnetic Field for Personalized Therapy

Advanced Robotics Research, EarlyView.
Robotic materials are playing an increasingly vital role in enabling sensing and actuation at small scales. This perspective highlights recent advances in magnetic materials and magnetically actuated devices for wireless sensing, actuation, and energy harvesting toward implantable robotic systems for closed‐loop therapy.
Yusheng Wang, Ruijian Ge, Xiaoguang Dong
wiley   +1 more source

A Comparative Analysis between Battery- and Solar-Powered Wireless Sensors for Soil Water Monitoring

Applied Sciences, 2022
Wireless sensor networks (WSN) have found wide applications in many fields (such as agriculture) over last few years, and research interest is constantly increasing. However, power supply to the sensor nodes remains an issue to be resolved. Batteries are
Zisis Tsiropoulos, Ioannis Gravalos, Evangelos Skoubris, Vladislav Poulek, Tomáš Petrík, Martin Libra   +5 more
doaj   +1 more source

Wireless Power Transfer and Data Collection in Wireless Sensor Networks

, 2017
In a rechargeable wireless sensor network, the data packets are generated by sensor nodes at a specific data rate, and transmitted to a base station. Moreover, the base station transfers power to the nodes by using Wireless Power Transfer (WPT) to extend
Abolhasan, Mehran, Duan, Lingjie, Li, Kai, Ni, Wei, Niu, Jianwei   +4 more
core   +1 more source

Recent Advances in Laser‐Induced Graphene‐Based Gas Sensors: From Sensing Mechanisms to Biomedical Applications

Advanced Science, EarlyView.
Laser‐induced graphene (LIG) provides a scalable, laser‐direct‐written route to porous graphene architecture with tunable chemistry and defect density. Through heterojunction engineering, catalytic functionalization, and intrinsic self‐heating, LIG achieves highly sensitive and selective detection of NOX, NH3, H2, and humidity, supporting next ...
Md Abu Sayeed Biswas, Ankan Dutta, Shuvendu Das, Abu Musa Abdullah, Wanqing Zhang, Fatema Tuz Zohra, Huanyu Cheng   +6 more
wiley   +1 more source

On Increasing the Energy Efficiency of Wireless Rechargeable Sensor Networks for Cyber-Physical Systems

Energies, 2022
In recent times, wireless energy transfer has become an effective solution to charge devices due to its efficiency and reliability. In a typical Wireless Rechargeable Sensor Networks (WRSN), wireless energy transfer technique can solve the energy ...
Efe Francis Orumwense, Khaled Abo-Al-Ez
doaj   +1 more source

Connectivity analysis in clustered wireless sensor networks powered by solar energy [PDF]

, 2018
©2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new ...
Alonso Zárate, Luis Gonzaga, Antonopoulos, Angelos, Kartsakli, Elli, Mekikis, Prodromos Vasileios, Verikoukis, Christos   +4 more
core   +2 more sources

Charging utility maximization in wireless rechargeable sensor networks

Wireless Networks, 2016
Wireless energy transfer as a promising technology provides an alternative solution to prolong the lifetime of wireless rechargeable sensor networks (WRSNs). In this paper, we study replenishing energy on sensors in a WRSN to shorten energy expiration durations of sensors, by employing a mobile wireless charger to replenish sensors dynamically.
Xiaoguo Ye, Weifa Liang
openaire   +2 more sources