Results 151 to 160 of about 6,577,092 (364)

Challenges and Opportunities of Upconversion Nanoparticles for Emerging NIR Optoelectronic Devices

open access: yesAdvanced Materials, EarlyView.
The special photo‐responsiveness of upconversion nanoparticles has opened up a new path for the advancement of near‐infrared (NIR)‐responsive optoelectronics. However, challenges such as low energy‐conversion efficiency and high nonradiative losses still persist.
Sunyingyue Geng   +7 more
wiley   +1 more source

IoT-Oriented 6G Wireless Network System for Smart Cities. [PDF]

open access: yesComput Intell Neurosci, 2022
Kamruzzaman MM   +7 more
europepmc   +1 more source

Secure Multicast Group Communication Scheme in Wireless IPv6 Networks

open access: diamond, 1970
Abbas Mehdizadeh   +2 more
openalex   +2 more sources

Wireless personal area networks [PDF]

open access: bronze, 2000
R. C. Braley   +2 more
openalex   +1 more source

XORs in the Air: Practical Wireless Network Coding

open access: yesIEEE/ACM Transactions on Networking, 2006
S. Katti   +5 more
semanticscholar   +1 more source

Mobility in Wireless Networks [PDF]

open access: yes, 2006
This article surveys mobility patterns and mobility models for wirelss networks. Mobility patterns are classified into the following types: pedestrians, vehicles, aerial, dynamic medium, robot, and outer space motion. We present the characteristics of each and shortly mention the specific problems.
openaire   +3 more sources

Advancements in Carbon‐Based Piezoelectric Materials: Mechanism, Classification, and Applications in Energy Science

open access: yesAdvanced Materials, EarlyView.
Carbon‐based piezoelectric materials are systematically categorized based on their structural and functional properties. The mechanisms of stress‐induced charge transfer are elucidated, and their applications are explored across three key domains: piezoelectric catalysis for energy conversion and environmental remediation, piezoelectric biomedical ...
Mude Zhu   +3 more
wiley   +1 more source

Secure multi-level Cluster based wireless sensor network

open access: green, 1970
Husna Akbar   +3 more
openalex   +2 more sources

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