Results 71 to 80 of about 139,735 (330)

3D Printing Innovations in Polymeric Porous and Patterned Architecture

open access: yesAdvanced Functional Materials, EarlyView.
Polymeric foams occupy a unique structural space between dense solids and open networks, where engineered void fraction governs mechanical compliance, thermal resistance, and mass transport. Additive manufacturing now enables precise spatial control over cellular architecture, unlocking designer foam structures across applications spanning crash ...
Dhanush Patil   +13 more
wiley   +1 more source

An energy-efficient error correction scheme for IEEE 802.15.4 wireless sensor networks

open access: yes, 2010
In this paper, we validate a novel augmentation to the PHYsical layer (PHY) of the IEEE 802.15.4 standard for wireless sensor networks. This augmentation implements interleaving and Forward Error Correction (FEC) encoding within the transmitting sensor ...
Li, Liang   +3 more
core   +1 more source

Traffic Priority-Aware Adaptive Slot Allocation for Medium Access Control Protocol in Wireless Body Area Network

open access: yesComputers, 2017
Biomedical sensors (BMSs) monitor the heterogeneous vital signs of patients. They have diverse Quality of Service (QoS) requirements including reduced collision, delay, loss, and energy consumption in the transmission of data, which are non-constrained ...
Fasee Ullah   +3 more
doaj   +1 more source

Epidermal Patch Technologies for Integrated Healthcare and Infection Management

open access: yesAdvanced Healthcare Materials, EarlyView.
Epidermal patches have evolved from simple wound coverings into multifunctional, skin‐conformable platforms integrating drug delivery, biosensing, and therapeutic functionalities. This review highlights their material innovations, fabrication strategies, and intelligent designs, including hydrogels, microneedles, and flexible electronics, while ...
Yuqi Wang   +7 more
wiley   +1 more source

Ubiquitous HealthCare in Wireless Body Area Networks [PDF]

open access: yes2012 IEEE 11th International Conference on Trust, Security and Privacy in Computing and Communications, 2012
Recent advances in wireless communications, system on chip and low power sensor nodes allow realization of Wireless Body Area Networks (WBANs).WBANs comprise of tiny sensors, which collect information of a patient's vital signs and provide a real time feedback.
Naveed A. Khan   +5 more
openaire   +2 more sources

3D‐Printed Piezoionic/Bioelectronic Hydrogel for Electro‐Metabolic Regulation of Osteogenic Differentiation

open access: yesAdvanced Healthcare Materials, EarlyView.
A 3D‐printed piezoionic GPMx hydrogel enables stable electromechanical signal generation under mechanical loading, exhibiting long‐term durability and low fatigue. As a bioactive patch, it restores endogenous bioelectricity to stimulate osteogenesis via Ca2+ influx and mitochondrial activation, while simultaneously enabling label‐free alkaline ...
Sayan Deb Dutta   +3 more
wiley   +1 more source

Energy managed reporting for wireless sensor networks

open access: yes, 2008
In this paper, we propose a technique to extend the network lifetime of a wireless sensor network, whereby each sensor node decides its individual network involvement based on its own energy resources and the information contained in each packet.
Merrett, Geoff V.   +3 more
core   +1 more source

In situ characterization of two wireless transmission schemes for ingestible capsules [PDF]

open access: yes, 2007
We report the experimental in situ characterization of 30-40 MHz and 868 MHz wireless transmission schemes for ingestible capsules, in porcine carcasses.
Drysdale, T.D.   +2 more
core   +1 more source

MAC Protocol in Wireless Body Area Network for Mobile Health: A Survey and an Architecture Design

open access: yesInternational Journal of Distributed Sensor Networks, 2015
Wireless body area networks (WBANs) have become a leading solution in mobile health (mHealth). Typically, a WBAN consists of in-body or around-body sensor nodes for collecting data of physiological feature.
Xin Qi   +4 more
doaj   +1 more source

Wireless body area sensor networks based human activity recognition using deep learning

open access: yesScientific Reports
In the healthcare sector, the health status and biological, and physical activity of the patient are monitored among different sensors that collect the required information about these activities using Wireless body area network (WBAN) architecture ...
Ehab El-Adawi   +3 more
semanticscholar   +1 more source

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