Results 41 to 50 of about 1,503 (205)

Advances in Sustainable and Wearable Textile Based Soft Robotics

open access: yesAdvanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas   +6 more
wiley   +1 more source

Reconstructing Quantum Dot Surfaces via Dual‐Functional Ligand Pairing Enables Efficient Shortwave Infrared Optoelectronics

open access: yesAdvanced Functional Materials, EarlyView.
This work presents a ligand‐pairing strategy that reconstructs lead sulfide quantum dot surfaces for efficient short‐wave infrared optoelectronics. A low‐reactivity thiourea precursor combined with hydrobromic acid enables monodisperse and fully passivated quantum dots.
Dongeon Kim   +16 more
wiley   +1 more source

Millimeter-wave reconfigurable antenna based on VO2 ink achieved by a simple process

open access: yesMaterials & Design
The growth of communication demands have boosted the development of millimeter-wave technology, as the spectrum migrates to higher frequencies. And reconfigurable antennas emerge as a promising solution for complex communication systems.
Suwu Ma   +4 more
doaj   +1 more source

Millimeter Wave Cellular Communication Performances and Challenges: A Survey

open access: yesEAI Endorsed Transactions on Mobile Communications and Applications, 2022
The demand for high data rates, combined with the exponential growth of mobile data trafficking, and has prompted the use of millimeter-wave (mm-wave) spectrum for 5G mobile communication.
Arebu Dejen   +3 more
doaj   +1 more source

Polymer Substrates for Flexible Sensors: Advances and Contributions to Smart Agriculture

open access: yesAdvanced Functional Materials, EarlyView.
This review comprehensively summarizes recent advances in polymer‐based flexible sensors for smart agriculture, focusing on polymer substrate design, interface engineering, and applications in soil, plant, animal, aquaculture, and post‐harvest monitoring.
Yihui Li   +12 more
wiley   +1 more source

5G mmWave OTA test technologies

open access: yesDianxin kexue, 2021
Millimeter wave (mmWave) is one of the key technologies of 5G communication, 5G communication will bring revolutionary improvements in network capacity, data rate, and delay.5G testing has changed from the previous conduction type to OTA testing.The ...
Yunzhi LING, Yu ZHANG, Hu XU, Ting CHEN
doaj   +2 more sources

Millimeter-Wave (mmWave) Communications [PDF]

open access: yes, 2020
The millimeter-wave frequency band (30–300 GHz) is considered a potential candidate to host very high data rate communications. First used for high capacity radio links and then for broadband indoor wireless networks, the interest in this frequency band has increased as it is proposed to accommodate future 5G mobile communication systems.
openaire   +3 more sources

Nanodiamond Sensing in Dynamic Environments With Fast‐Tracking Through Four‐Point Positioning

open access: yesAdvanced Functional Materials, EarlyView.
A four‐point positioning tracking (4PPT) platform enables fast 3D feedback translational tracking of fluorescent nanodiamonds while simultaneously recording ODMR spectra. By integrating real‐time translational tracking with quantum sensing, mobile nanodiamonds are used for in‐situ nanothermometry, nanorheometry, and 6D translation–rotation tracking in ...
Guoli Zhu   +10 more
wiley   +1 more source

Digital radio over fiber transmission technique for millimeter-wave radio access network

open access: yes物联网学报, 2019
As the air interface standard of 5G confirms the millimeter wave as one important frequency band for the signal carrier,millimeter-wave communication is considered as the key technique to improve the transmission performance of the mobile communication ...
Jia YE, Jianwei LUO, Yi GUO, Wei PAN
doaj   +2 more sources

Bioprinting High‐Cell‐Density Cardiac Tissue Constructs With Sustained Contractile Function

open access: yesAdvanced Healthcare Materials, EarlyView.
Contractile cardiomyocytes in 3D culture provide insights into the behavior of the heart. Combining a 3D bioprinting approach with a multi‐electrode array allows the development of the 3D culture to be monitored over time, and matured cultures allow the effect of drugs on cardiac function to be modelled, replicating effects seen in clinical application.
Priscila Melo   +8 more
wiley   +1 more source

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