Results 61 to 70 of about 9,664 (251)
ABSTRACT Gliomas have undergone a profound redefinition over the past decade, transitioning from morphology‐based entities to biologically coherent diseases defined by molecular alterations. The 2021 WHO Classification of Tumors of the Central Nervous System and its 2022 update formalize this shift, establishing integrated diagnosis as the global ...
Maria Guarnaccia, Sebastiano Cavallaro
wiley +1 more source
Lifting Wavelet-Assisted EM Joint Estimation and Detection in Cooperative Spectrum Sensing. [PDF]
Tian H, Zhao X, Chen S, Wu Y.
europepmc +1 more source
Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich +3 more
wiley +1 more source
Performance enhancement in clustering cooperative spectrum sensing for cognitive radio network using metaheuristic algorithm. [PDF]
Srivastava V +5 more
europepmc +1 more source
Tailoring Functional Properties of Ti–Ni–Cu Shape Memory Alloy Thin Films for MEMS Actuators
A comprehensive study of critical parameters required to develop well‐performing Ti–Ni–Cu thin film shape memory alloy microactuators is provided. Materials science and device integration aspects are integrated by addressing structural and physical relationships using complementary characterization techniques as well as a practical fabrication solution
Elaheh Akbarnejad +6 more
wiley +1 more source
Cooperative Spectrum Sensing With Data Mining of Multiple Users’ Historical Sensing Data
Under the case of exponentially growth of wireless services and the scarcity of spectrum resources, cognitive radio (CR) has been proposed to access licensed channels opportunistically, and thus improve spectrum utilization.
Xin-Lin Huang +4 more
doaj +1 more source
Adaptive Trust Threshold Model Based on Reinforcement Learning in Cooperative Spectrum Sensing. [PDF]
Xie G, Zhou X, Gao J.
europepmc +1 more source
Cooperative spectrum sensing in IEEE 802.22 standard
IEEE is developing a wireless communication standard that will take place in cognitive radio class and be valid in the world. Data communication capability supporting is aimed with this standard called IEEE 802.22 to the rural area users in TV bands. In the TV bands, not to cause harmful interference to the existing TV receivers and to communicate in ...
Kulac, Selman +2 more
openaire +2 more sources
Sol–gel‐derived ZnO–rGO hybrid nanoparticles enable Al7075 powder‐metallurgy composites to achieve concurrent gains in hardness and thermal conductivity while markedly lowering friction and wear. The hybrid architecture couples ZnO‐based load support with rGO‐assisted lamellar sliding and heat spreading, revealing a promising route toward lightweight ...
Bunyamin Aksakal +3 more
wiley +1 more source
A Fusion Rule-Based Adaptive Clustering Cooperative Spectrum Sensing Algorithm
A fusion rule-based adaptive clustering cooperative spectrum sensing algorithm was proposed for meeting the dynamic wireless channe1. Firstly,according to the integration rules of the fusion center,the SNR thresholds of clustering cooperative spectrum ...
Gongan Qiu, Sen Feng
doaj +2 more sources

