Results 91 to 100 of about 11,668,500 (232)

Modelling and Evaluation of 60 GHz IEEE 802.11 Wireless Local Area Networks in ns-3 [PDF]

open access: yes, 2014
In this thesis we present modifications made to the popular network simulation environment ns-3 to provide accurate simulation of IEEE 802.11ad Wireless Local Area Networks (WLANs) in the 60 GHz band.
May, Michael
core  

A Chaotic Maps-Based Authentication Scheme for Wireless Body Area Networks

open access: yesInternational Journal of Distributed Sensor Networks, 2016
As a technology of monitoring and recording human body health signals, wireless body area networks (WBANs) play an increasingly important role in the field of healthcare.
Gaimei Gao   +3 more
doaj   +1 more source

Unobstructive Body Area Networks (BAN) for Efficient Movement Monitoring

open access: yesSensors, 2012
The technological advances in medical sensors, low-power microelectronics and miniaturization, wireless communications and networks have enabled the appearance of a new generation of wireless sensor networks: the so-called wireless body area networks ...
António Pereira   +3 more
doaj   +1 more source

Waveguide Photoactuators: Materials, Fabrication, and Applications

open access: yesAdvanced Robotics Research, EarlyView.
Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi   +4 more
wiley   +1 more source

Thermal and energy aware routing in wireless body area networks

open access: yesInternational Journal of Distributed Sensor Networks, 2019
Unlike many other Internet of Things applications, in addition to the limited power of Internet of Medical Things devices, the safety aspect and reliability are the major concerns while designing wireless body area network routing solutions. In fact, the
Ghufran Ahmed   +2 more
doaj   +1 more source

An Anonymous Mutual Authenticated Key Agreement Scheme for Wearable Sensors in Wireless Body Area Networks

open access: yesApplied Sciences, 2018
The advancement of Wireless Body Area Networks (WBAN) have led to significant progress in medical and health care systems. However, such networks still suffer from major security and privacy threats, especially for the data collected in medical or health
Chien-Ming Chen   +3 more
doaj   +1 more source

Liquid Crystalline Elastomers in Soft Robotics: Assessing Promise and Limitations

open access: yesAdvanced Robotics Research, EarlyView.
Liquid crystalline elastomers (LCEs) are programmable soft materials that undergo large, anisotropic deformation in response to external stimuli. Their molecular alignment encodes directional actuation in a monolithic structure, making them long‐standing candidates for soft robotic systems.
Justin M. Speregen, Timothy J. White
wiley   +1 more source

Detecting Vital Signs with Wearable Wireless Sensors [PDF]

open access: yes, 2010
The emergence of wireless technologies and advancements in on-body sensor design can enable change in the conventional health-care system, replacing it with wearable health-care systems, centred on the individual.
Yilmaz, T   +5 more
core   +1 more source

Energy-Efficient Strategies in Wireless Body Area Networks: A Comprehensive Survey

open access: yesIoT
Wireless body area networks (WBANs) are a pivotal solution for continuous health monitoring, but their energy constraints pose a significant challenge for long-term operation.
Marwa Boumaiz   +4 more
doaj   +1 more source

McMAC: Towards a MAC Protocol with Multi-Constrained QoS Provisioning for Diverse Traffic in Wireless Body Area Networks

open access: yesSensors, 2012
The emergence of heterogeneous applications with diverse requirements forresource-constrained Wireless Body Area Networks (WBANs) poses significant challengesfor provisioning Quality of Service (QoS) with multi-constraints (delay and reliability ...
Muhammad Mostafa Monowar   +4 more
doaj   +1 more source

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