Results 81 to 90 of about 95,264 (327)

Security and Privacy Issues in Wireless Mesh Networks: A Survey

, 2013
This book chapter identifies various security threats in wireless mesh network (WMN). Keeping in mind the critical requirement of security and user privacy in WMNs, this chapter provides a comprehensive overview of various possible attacks on different ...
A. Gupta, A. Mishra, A. Naveed, A. Perrig, A. Shamir, A.A. Franklin, A.D. Wood, B. He, B. Wu, C. Blundo, C. Gentry, C. Li, C. Tang, D. Boneh, D. Boneh, D. Boneh, D. Chaum, D. Joshi, D.S. Radosavac, E. Shi, E.W. Dijkstra, G. Ateniese, G. Gaubatz, H. Li, H. Moustafa, H. Zhu, I. Lee, I.F. Akyildiz, J. Konorski, J. Konorski, J. Leu, J. Sen, J. Sen, J. Sen, J. Sen, J. Sen, J. Sen, J. Sen, J. Sen, J. Sen, J. Sen, J. Sen, J. Sen, J. Sun, K. Ren, K. Ren, L. Lamport, L. Zhou, M. Long, M. Raya, M. Reed, M.G. Zapata, N. Ben Salem, N. Ben Salem, N.R. Prasad, R. Ahlswede, R. Blom, R. Curtmola, S. Brands, S. Capkun, S. Zhong, S. Zhu, S..M.. M. Rahman, S.J. Lee, T.M. Chen, W. Diffie, X. Chen, X. Chen, X. Lin, Y. Zhang, Y. Zhang, Y.G. Desmedt, Z. Cao, Z. Li   +73 more
core   +1 more source

Electrically Tunable On‐Chip Topological Photonics with Integrated Carbon Nanotubes

Advanced Functional Materials, EarlyView.
This work demonstrates electrically tunable on‐chip topological THz devices by integrating 2D carbon nanotube (CNT) sheets with valley‐Hall photonic crystals, enabling broadband transmission modulation (71% modulation depth) and tunable narrowband filtering (0.54 GHz shift) through electrically induced thermal tuning. This advancement paves the way for
Jifan Yin, Wenhao Wang, Thomas Caiwei Tan, Abhishek Kumar, Ridong Jia, Nikhil Navaratna, Ranjan Singh, Lijuan Xie   +7 more
wiley   +1 more source

Efficient key management in wireless sensor network security [PDF]

Wireless sensor network is a multi-hop ad hoc network formed by a large number of low-cost micro-sensor nodes which communicate through radio channels.
Zhang, Xinyang
core  

Phase Change Material‐Driven Tunable Metasurface for Adaptive Terahertz Sensing and Communication in 6G Perceptive Networks

Advanced Functional Materials, EarlyView.
This study explores the benefits of metasurfaces made from functional materials, highlighting their ability to be adapted and improved for various high‐frequency applications, including communications and sensing. It first demonstrates the potential of these functional material‐based metasurfaces to advance the field of sub‐THz perceptive networks ...
Yat‐Sing To, Jiachen Du, Cyril Decroze, Laure Huitema, Aurelian Crunteanu, Hang Wong   +5 more
wiley   +1 more source

EGCIR: Energy-Aware Graph Clustering and Intelligent Routing Using Supervised System in Wireless Sensor Networks

Energies, 2020
In recent times, the field of wireless sensor networks (WSNs) has attained a growing popularity in observing the environment due to its dynamic factors.
Tanzila Saba, Khalid Haseeb, Ikram Ud Din, Ahmad Almogren, Ayman Altameem, Suliman Mohamed Fati   +5 more
doaj   +1 more source

On Topological Properties of Wireless Sensor Networks under the q-Composite Key Predistribution Scheme with On/Off Channels

, 2014
The q-composite key predistribution scheme [1] is used prevalently for secure communications in large-scale wireless sensor networks (WSNs). Prior work [2]-[4] explores topological properties of WSNs employing the q-composite scheme for q = 1 with ...
Gligor, Virgil, Yağan, Osman, Zhao, Jun
core   +1 more source

Advanced Cellulose‐Based Gels for Wearable Physiological Monitoring: From Fiber Modification to Application Optimization

Advanced Functional Materials, EarlyView.
This review discusses cellulose‐based hydrogels technology, analyzes their application progress in physiological signal monitoring, and explores the effects of pretreatment, crosslinking, and molding methods on gel performance, to provide valuable insights into the efficient utilization of plant fibers and the environmentally friendly development of ...
Zhiming Wang, Jinxuan Jiang, Kexin Wei, Xiaojian Zhou, Muhammad Wakil Shahzad, Yifan Li, Xuehua Zhang, Ben Bin Xu, Shengbo Ge   +8 more
wiley   +1 more source

Multiphase deployment models for fast self healing in wireless sensor networks [PDF]

, 2008
The majority of studies on security in resource limited wireless sensor networks (WSN) focus on finding an efficient balance among energy consumption, computational speed and memory usage.
Levi, Albert, Savas, Erkay, Savaş, Erkay, Yilmaz, Omer Zekvan, Yılmaz, Ömer Zekvan   +4 more
core  

A Scale-Free Topology Construction Model for Wireless Sensor Networks

, 2014
A local-area and energy-efficient (LAEE) evolution model for wireless sensor networks is proposed. The process of topology evolution is divided into two phases. In the first phase, nodes are distributed randomly in a fixed region.
Chen, Xi, Jiang, Lurong, Jin, Xinyu, Ouyang, Bo, Wu, Duanpo, Xia, Yongxiang   +5 more
core   +2 more sources

Near‐Infrared Organic Photovoltaic Electrodes for Subretinal Neurostimulation

Advanced Functional Materials, EarlyView.
Organic photovoltaic electrodes based on the D18:Y6 blend enable precise and light‐controlled activation of retinal ganglion cells in a degenerating retina. NIR Light‐driven activation of retinal ganglion cells, tunable stimulation parameters, and biocompatibility with human retinal organoids highlight their potential for next‐generation prosthetics ...
Andrea Corna, Katarina Gugujonovic, Manuela Schiek, Alessandro Bellapianta, Paul Werginz, Amelie Ziller, Markus Clark Scharber, Ahmad Salti, Matthias Bolz, Mihai Irimia‐Vladu, Günther Zeck   +10 more
wiley   +1 more source