Results 111 to 120 of about 6,439,138 (286)

Resource Allocation in Cognitive Radio Wireless Sensor Networks with Energy Harvesting

open access: yesSensors, 2019
The progress of science and technology and the expansion of the Internet of Things make the information transmission between communication infrastructure and wireless sensors become more and more convenient.
Haitao Xu   +4 more
doaj   +1 more source

Multiuser Gain in Energy Harvesting Wireless Communications

open access: yesIEEE Access, 2017
In traditional wireless communications, multiuser diversity gain comes from the diversified channel power gains across different users. In energy harvesting wireless systems, the various energy levels at different transmitters may lead to another type of diversity gain.
Hang Li 0003   +2 more
openaire   +3 more sources

Multidimensional and Multifunctional Laser‐Induced Graphene (LIG) for Point‐of‐Care and Wearable Biosensing, Theranostics, and Bioactive Interfaces Toward Personalized Healthcare and Regenerative Medicine

open access: yesAdvanced Science, EarlyView.
Multidimensional laser‐induced graphene (LIG) spanning from 0D to 3D architectures is comprehensively reviewed for multifunctional biomedical platforms, including biosensing, theranostics, and bioactive interface applications, which highlights its potentials for point‐of‐care diagnostics, wearable health monitoring, smart drug delivery, and tissue ...
Li Zhang   +3 more
wiley   +1 more source

Kinetic energy harvesting

open access: yes, 2008
This paper reviews kinetic energy harvesting as a potential localised power supply for wireless applications. Harvesting devices are typically implemented as resonant devices of which the power output depends upon the size of the inertial mass, the ...
Tudor, M.J., Beeby, S.P., Torah, R.N.
core   +1 more source

Toward Green 6G Networks: NOMA-Based Reconfigurable Intelligent Surfaces with Hybrid Acoustic–Magnetic Energy Harvesting

open access: yesTelecom
This work introduces a novel self-sustainable wireless communication architecture that combines RIS and NOMA with a hybrid acoustic–magnetic energy harvesting framework.
Ghaffer Iqbal Kiani
doaj   +1 more source

RF Powered Gas Wireless Sensor Node for Smart Applications

open access: yesProceedings, 2017
Wireless Sensor Network (WSN) paradigm has been applied to a high number of monitoring and control applications. However, the constraint of WSN energy resources imposes restrictions on its truly ubiquitous and long-term deployments.
Alexander M. Baranov   +4 more
doaj   +1 more source

Review of Gastrointestinal Capsule Robots: Materials, Actuation, Diagnostics, and Therapeutics

open access: yesAdvanced Science, EarlyView.
This review examines gastrointestinal capsule robots through a systems engineering lens, covering shell materials, actuation and localization strategies, diagnostic modalities, therapeutic interventions, and commercialization status. By mapping the complete technological chain from fabrication to clinical deployment, this work identifies critical gaps ...
Zengsheng Li   +8 more
wiley   +1 more source

Machine Learning‐Driven Design of Multicomponent Bone Inorganic Matrix Mimicking Scaffolds for Osteogenesis Enhanced by Neurogenesis

open access: yesAdvanced Science, EarlyView.
Schematic illustration of development of experimental datasets and algorithm models, screening and preparation of the scaffolds and their applications in vivo. ABSTRACT Bone defects require materials with osteogenic, neurogenic, and angiogenic activity, yet designing such materials within high‐dimensional compositional spaces remains challenging. Here,
Kunlu Lin   +9 more
wiley   +1 more source

Energy Harvesting Method In Wireless Sensor Network

open access: yes, 2018
With the advent of modern micro mechanical system technology and wireless communication wireless sensor networks are finding a lot of application in modern day life. The design of the sensor network depends on the specific application. This paper gives a description of the components of the wireless sensor nodes used. It also describes how the lifetime
openaire   +3 more sources

Dual‐Responsive Hydrogels Integrate Bioelectrical Stimulation and Piezo‐Photocatalysis for Regenerative Treatment of Infected Wounds

open access: yesAdvanced Science, EarlyView.
A wireless, dual‐responsive hydrogel (PVA/(PVDF‐TrFE)/BiOClBr@PDA) is developed to promote efficient regeneration of infected wounds by integrating piezoelectric stimulation with piezo‐photocatalytic pathways. Under simultaneous light and ultrasonic stimulation, the hydrogel generates therapeutic electrical cues and reactive oxygen species, disrupting ...
Baoying Dai   +15 more
wiley   +1 more source

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