Results 121 to 130 of about 106,664 (319)
A Secure Cooperative Sensing Protocol for Cognitive Radio Networks
, 2010 Cognitive radio networks sense spectrum occupancy and manage themselves to operate in unused bands without disturbing licensed users. Spectrum sensing is more accurate if jointly performed by several reliable nodes. Even though cooperative sensing is an
Rifà Pous, Helena +1 more
core
Mobility-aware design of cognitive radio networks: Challenges and opportunities
, 2010 This work deals with mobility-related issues in cognitive radio network design. With few notable exceptions, research activity on cognitive radio networks focused until now on the case of static networks, neglecting to take into account the impact of ...
Luca De Nardis +3 more
core +1 more source
Toward Optimal Cross-layer Solutions for Cognitive Radio Wireless Networks [PDF]
, 2010 Cognitive radio (CR) networks have been proposed as a viable solution to spectrum scarcity problems. In CR networks, CR nodes exploit spectrum holes in space, time and/or frequency to transmit on licensed frequency bands without affecting primary users ...
Chiara Petrioli +7 more
core +1 more source
Additive Gaussian Process Regression for Predictive Design of High‐Performance, Printable Silicones
Advanced Engineering Materials, EarlyView.A chemistry‐aware design framework for tuning printable polydimethylsiloxane (PDMS) for vat photopolymerization (VPP) is developed using additive Gaussian process (GP) modeling. Polymer network mechanics informs variable groupings, feasible formulation constraints, and interaction variables.
Roxana Carbonell +3 more
wiley +1 more source
Radio resource allocation in relay based OFDMA cellular networks
, 2010 PhDAdding relay stations (RS) between the base station (BS) and the mobile stations (MS) in a cellular system can extend network coverage, overcome multi-path fading and increase the capacity of the system.
Xiao, Lin
core
A Novel Spectrum Sensing Scheduling Algorithm for Cognitive Radio Networks
, 2012 Cognitive Radios are recognized as a novel approach to improve the utilization of a precious natural resource of wireless communications: the radio frequency spectrum.
Erman, Maria, +2 more
core +1 more source
Advanced Engineering Materials, EarlyView.Additive manufacturing provides precise control over the placement of continuous fibres within polymer matrices, enabling customised mechanical performance in composite components. This article explores processing strategies, mechanical testing, and modelling approaches for additive manufactured continuous fibre‐reinforced composites.
Cherian Thomas, Amir Hosein Sakhaei
wiley +1 more source
Adaptive Granularity-Fused Keypoint Detection for 6D Pose Estimation of Space Targets
Remote SensingEstimating the 6D pose of a space target is an intricate task due to factors such as occlusions, changes in visual appearance, and background clutter.
Xu Gu, Xi Yang, Hong Liu, Dong Yang
doaj +1 more source
MAC Layer Spectrum Sensing in Cognitive Radio Networks
, 2013 Efficient use of the available licensed radio spectrum is becoming increasingly difficult as the demand and usage of the radio spectrum increases. This usage of the spectrum is not uniform within the licensed band but concentrated in certain frequencies ...
Mohammed, Abbas, +2 more
core +1 more source
Multimodal Data‐Driven Microstructure Characterization
Advanced Engineering Materials, EarlyView.A self‐consistent autonomous workflow for EBSP‐based microstructure segmentation by integrating PCA, GMM clustering, and cNMF with information‐theoretic parameter selection, requiring no user input. An optimal ROI size related to characteristic grain size is identified.
Qi Zhang +4 more
wiley +1 more source