Results 61 to 70 of about 18,391 (256)
Advanced Materials Interfaces, EarlyView.Ultrathin MXene/EMF composite foams achieve a specific shielding efficiency of 749.6 dB.dB·cm3$\mathrm{dB}\cdot {\mathrm{cm}}^{3}$/g, while the silver‐enhanced MXene/Ag/EMF reaches 81.4 dB shielding effectiveness at just 1.0 mm thickness. Both composites exhibit rapid Joule heating, retain stability up to 250∘C$^\circ{\rm C}$, and withstand 1000 ...
Abdullah A. Mahmood +7 more
wiley +1 more source
Covert Sensing and Communication with Vulnerable Region Control in Near-Field ISAC Systems
SensorsThe deployment of large-scale antenna arrays (ELAAs) in sixth-generation (6G) networks extends wireless communications into the near-field regime, facilitating integrated sensing and communications while introducing security requirements.
Ranhui Xu, Xiaopeng Ji
doaj +1 more source
IEEE Open Journal of the Communications Society, 2020 The demand for wireless connectivity has grown exponentially over the last few decades. Fifth-generation (5G) communications, with far more features than fourth-generation communications, will soon be deployed worldwide.
Mostafa Zaman Chowdhury +3 more
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Advanced Materials Technologies, EarlyView.In this study, we propose a biodegradable wireless soil urea sensor for precision agriculture. The sensor's electromagnetic response varies depending on the urea concentration, allowing the measurement of relative soil urea concentrations by analyzing the time‐transient electromagnetic response.
Yu Tanaami +5 more
wiley +1 more source
Boosting silica micro-rod Q factor to 8.28 × 109 for fully stabilizing a soliton microcomb
Nature CommunicationsOptical microcavities with strong light confinement are powerful tools for significantly enhancing light-matter interactions. Currently, the actual Q factor of a microcavity remains far below the theoretical limit, as specific factors affecting losses ...
Ting-Yang Pan +9 more
doaj +1 more source
Integrated Sensing and New Radio Communications for Air Vehicle Positioning
VehiclesAerial vehicles are increasingly relying on connectivity to cellular networks, with 5G new radio (NR) and 6G technologies deemed critical for the next generation of indoor and outdoor positioning systems.
Ibrahima Mbaye +3 more
doaj +1 more source
Integrated Sensing and Communications in Clutter Environment
IEEE Transactions on Wireless CommunicationsIn this paper, we propose a practical integrated sensing and communications (ISAC) framework to sense dynamic targets from clutter environment while ensuring users communications quality. To implement communications function and sensing function simultaneously, we design multiple communications beams that can communicate with the users as well as one ...
Hongliang Luo +6 more
openaire +2 more sources
Advanced Materials Technologies, EarlyView.Extrusion‐based bioprinting (EBB) has emerged as a versatile biofabrication platform capable of precisely depositing bioinks composed of biomaterials, cells, and bioactive agents to generate patient‐specific, biomimetic skin constructs. This paper presents a state‐of‐the‐art and forward‐looking overview of EBB for wound healing, encompassing printing ...
Hien‐Phuong Le +4 more
wiley +1 more source
IEEE AccessJoint Radar and Communications (JRC) can satisfy the apparent demand for applications based on object detection, tracking, ranging, and positioning. JRC is, therefore, often seen as candidate technology for 6G mobile systems.
Victor Shatov +15 more
doaj +1 more source
Intelligent integrated sensing and communication: a survey
Science China Information SciencesAbstract Integrated sensing and communication (ISAC) is a promising technique to increase spectral efficiency and support various emerging applications by sharing the spectrum and hardware between these functionalities. However, the traditional ISAC schemes are highly dependent on the accurate mathematical model and suffer from the ...
Jifa Zhang +6 more
openaire +1 more source