Results 91 to 100 of about 245,006 (326)

Energy Efficient Pico Cell Range Expansion and Density Joint Optimization for Heterogeneous Networks with eICIC

open access: yesSensors, 2018
Heterogeneous networks, constituted by conventional macro cells and overlaying pico cells, have been deemed a promising paradigm to support the deluge of data traffic with higher spectral efficiency and Energy Efficiency (EE).
Yanzan Sun   +5 more
doaj   +1 more source

Bimodal Spin Switch Emerging from Hybridized 2D MoS2/Ferromagnet Interfaces

open access: yesAdvanced Materials, EarlyView.
This study demonstrates a novel integration of 2D semiconductors with ferromagnets using pulsed laser deposition, revealing hybridization‐driven spin manipulation. Vertical spin valves with MoS2 and Ni(111) show exotic bimodal spin signals and strong deviations from Jullière's model. These results highlight the « 2D spinterfaces » key role in unlocking
Hao Wei   +17 more
wiley   +1 more source

Research on GPS geometry-based observational stochastic error model

open access: yesTongxin xuebao, 2019
Aiming at the problem of not enough influencing factors were considered in traditional methods,a much more realistic stochastic model was built.In which error corrections were introduced into the geometry-based function model,an improved least squares ...
Taoyun ZHOU   +4 more
doaj   +2 more sources

A spatial slotted-Aloha protocol in wireless networks for group communications

open access: yesEURASIP Journal on Wireless Communications and Networking, 2017
In a large-scale group communication networks, we propose a slotted-Aloha-based access control (SA-AC) scheme with the optimal transmission probability (TP) using the stochastic geometry.
Mingyu Lee, Yunmin Kim, Tae-Jin Lee
doaj   +1 more source

Playing Hard with Si: Challenges and Opportunities for New Materials in Radiation Therapy Dosimetry

open access: yesAdvanced Materials, EarlyView.
Silicon has been a cornerstone material of radiation therapy dosimetry for many decades, providing somewhat unchallenged performance. However, there are caveats to its use, requiring complex designs and, often, correction factors to provide accurate measurements.
James Cayley   +9 more
wiley   +1 more source

Inverted PAINT for Material‐Specific Super‐Resolution Fluorescence Imaging of Semiconductors

open access: yesAdvanced Materials, EarlyView.
This study presents Inverted PAINT, a label‐free super‐resolution fluorescence imaging method optimized for thick and non‐transparent semiconductor materials. By employing electrostatic dye–surface interactions in an inverted geometry, the technique enables material‐specific, multicolor, and 3D nanoscale imaging, with applications in semiconductor ...
Uidon Jeong, Doory Kim
wiley   +1 more source

Recent Advances in Reactive Microdroplets for Clean Water and Energy

open access: yesAdvanced Materials, EarlyView.
Reactive microdroplets enable precise and sustainable chemistry at small scales. This review explores their role as confined reactors and dynamic interfaces for synthesizing functional materials, fuels, and microdevices. It offers a critical perspective on how droplet‐based platforms can drive next‐generation technologies in clean energy, environmental
Qiuyun Lu   +4 more
wiley   +1 more source

Evaluation Methodology for 6G Sensing-Assisted Communication System Performance

open access: yesIEEE Access
Nowadays, Integrated Sensing and Communication (ISAC) is receiving significant attention in the frame of the Sixth Generation (6G). To assess the performance of future candidate ISAC technologies and to be able to compare them with each other, the ...
Andrea Ramos   +6 more
doaj   +1 more source

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