Results 101 to 110 of about 11,142 (253)
Knapsack--TOPSIS Technique for Vertical Handover in Heterogeneous Wireless Network. [PDF]
PLoS One, 2015 Malathy EM, Muthuswamy V.
europepmc +1 more source
Advanced Science, EarlyView.A self‐powered vibration sensing platform integrates a quasi‐zero‐stiffness piezoelectric harvester, synchronized electric charge extraction, energy management, and wireless ADC acquisition. Ambient vibration is simultaneously harvested as energy and digitized as information, enabling sustained real‐time waveform monitoring without external power.
Yizhou Li +10 more
wiley +1 more source
Performance Estimation and Ex Vivo Validation of Untethered Magnetic Robots in Soft Tissue
Advanced Science, EarlyView.This study presents an empirical model that quantitatively predicts the step‐out frequency of screw‐type untethered magnetic robots (UMRs) in soft viscoelastic environments, including ex vivo brain tissue. By integrating key parameters into a dimensionless framework, the model enables estimation of robot performance across a range of biological ...
Leendert‐Jan W. Ligtenberg +19 more
wiley +1 more source
Advanced Science, EarlyView.Confined diffusion‐driven interfacial engineering enables the nanoscale construction of asymmetric SiC@C Janus hollow nanoshells, achieving synergistic impedance matching and electromagnetic energy dissipation for highly efficient broadband microwave absorption at ultralow filler loading.
Limeng Song +17 more
wiley +1 more source
Motion adaptive vertical handoff in cellular/WLAN heterogeneous wireless network. [PDF]
ScientificWorldJournal, 2014 Li L, Ma L, Xu Y, Fu Y.
europepmc +1 more source
Bio‐Based Polyurethanes for Sustainable and Multifunctional Applications
Advanced Science, EarlyView.Bio‐based polyurethanes prepared from vegetable oils, lignin, and polysaccharides have attracted increasing interest as alternatives to fossil‐derived polyurethanes. This review summarizes recent progress in their chemistry, structural engineering, and advanced applications, highlighting the roles of feedstocks, chain‐segment design, dynamic covalent ...
Xin Li +6 more
wiley +1 more source
Piezo‐Coupling Effects in Smart Polymers: Toward Ultrasensitive Sensing and Biomedical Applications
Advanced Science, EarlyView.Piezo‐coupling effects are the foundational factors for the development of multifunctional and self‐powered platforms. Central to this advancement is the use of stimuli‐responsive smart polymers, which offer mechanical flexibility, biocompatibility, and simplified structural complexity with improved sensitivity and energy efficiency.
Duc Khanh Tran +6 more
wiley +1 more source
From Sourcing to End‐of‐Life: Sustainability Challenges and Opportunities in Organic Bioelectronics
Advanced Science, EarlyView.Organic bioelectronics bridges biology and electronics using organic mixed ionic/electronic conductors. This Perspective addresses sustainability across the full lifecycle of organic bioelectronic materials and devices, offering a framework to guide material sourcing, synthesis, fabrication, application, and end‐of‐life strategies toward bioelectronic ...
Gwennaël Dufil +3 more
wiley +1 more source
Measuring IP Performance Metrics on Mobile Network with Heterogeneous Wireless Technologies
Journal of Measurement Science and Instrumentation, 2010 The new measurement scheme of IP performance metrics is proposed for the mobile network in heterogeneous wireless network environment.In the proposed scheme,when Mobile Nodes（MNs）inside the mobile network needs to understand the condition of multiple ...
Pyung-soo KIM, Jeong-hun CHOI
doaj
Advanced Science, EarlyView.This review explores dimensional architecture engineering to overcome the impedance‐attenuation trade‐off in electromagnetic wave absorbing materials. By analyzing 1D to 3D structures and their multidimensional hybrids, we highlight synergistic mechanisms for enhanced performance.
Chuanyu Liu +7 more
wiley +1 more source