Results 61 to 70 of about 180,577 (228)
Advanced Materials, EarlyView.Molecular doping of conjugated polymers is fundamentally constrained by thermodynamic phase behavior. This Perspective reframes doping efficiency and stability in terms of miscibility limits, binodals, and solvus boundaries, highlighting the role of effective interaction parameters and charge transfer.
Somayeh Kashani +10 more
wiley +1 more source
Resource allocation in heterogeneous cognitive radio sensor networks
International Journal of Distributed Sensor Networks, 2019 Cognitive radio sensor networks offer a promising means of meeting rapidly expanding demand for wireless sensor network applications in new monitoring and objects tracking fields.
Mohammed Al-Medhwahi +4 more
doaj +1 more source
Channel Assortment Strategy for Reliable Communication in Multi-Hop Cognitive Radio Networks
, 2010 In this paper, we propose a channel assortment strategy for Reliable Communication in Multi-Hop Cognitive Radio ...
Rehmani, Mubashir Husain
core +2 more sources
Fabric‐Based Wearable Robotic Exoskeleton Gloves: Advancements and Challenges
Advanced Materials Technologies, EarlyView.This review highlights interdisciplinary technological advances in fabric‐based robotic gloves, focusing on progress in design, fabrication, actuation, sensing, control, and power and energy requirements. It also addresses performance testing and validation, including biomechanical, strength, functional, user experience, and durability assessments, to ...
Ayse Feyza Yilmaz +2 more
wiley +1 more source
Security in cognitive radio networks
Tongxin xuebao, 2013 Cognitive radio can obtain and access spectrum white holes without interfering primary users by sensing wireless environment to meet with the more spectrum requirement of users and improve spectrum utilization.However,it also brings new secure challenges
Qing-qi PEI +4 more
doaj +2 more sources
RETRACTED ARTICLE: Intelligent dynamic spectrum access using fuzzy logic in cognitive radio networks
Discover Applied SciencesCognitive radio networks have emerged as a promising solution to the growing problem of spectrum scarcity and inefficient spectrum utilization. By enabling secondary users to opportunistically access underutilized frequency bands while avoiding harmful ...
K. Krishna Kishore +6 more
doaj +1 more source
Spectrum occupancy of cognitive radio networks: a queueing analysis using retrial queue
IET Networks, 2014 The authors apply the preemptive priority queueing analysis to cognitive radio networks. Using the proposed analytical model, the authors can quantify the delay, throughput and spectrum occupancy of cognitive radio networks.
Woan Sun Chang, Won Mee Jang
doaj +1 more source
Advanced Materials Technologies, EarlyView.This review presents recent progress in vision‐augmented wearable interfaces that combine artificial vision, soft wearable sensors, and exoskeletal robots. Inspired by biological visual systems, these technologies enable multimodal perception and intelligent human–machine interaction.
Jihun Lee +4 more
wiley +1 more source
Research on Fractional Spaced Equalizer for Short Wave Burst Communication [PDF]
Jisuanji gongcheng, 2016 The short wave channel has characteristics of multipath,fading and time variant.In the equilibrium process,the convergence rate of Liner Equalizer(LE) is slow,the convergence precision is low,and the Fractional Spaced Equalizer(FSE) has better balance ...
YUAN Peng,FU Jielin
doaj +1 more source
Cognitive radio Over fibre: potential advantages for spectrum management [PDF]
, 2010 The paper explores some of the advantages that radio over fibre technologies can bring to wireless networks when combined with cognitive radio ...
Mitchell, J.E.
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