Results 101 to 110 of about 353,289 (314)

A resource management architecture for future mobile communications systems

open access: yes, 2002
This paper presents an overview of a hierarchical Resource Management architecture for future mobile communications systems. The architecture is designed to be generic and can therefore be adopted for a range of Radio Access Methodologies.
Atkinson, R.C., Irvine, J., Dunlop, J.
core  

NEWSKY - Networking the Sky for Aeronautical Communications

open access: yes, 2007
An overview of the NEWSKY project (“NEtWorking the SKY”) is given. This project is co-funded by the European Commission within the 6th Framework Programme and has started in February 2007.
F. Schreckenbach   +9 more
core   +1 more source

Recent developments in indoor optical wireless systems [PDF]

open access: yes, 2008
An overview of the developments in optical wireless systems viewed from the traditional communications viewpoint of transmitter, channel and receiver is presented.
Leeson, Mark S.   +3 more
core   +1 more source

Thermo‐Derived Cholesteric Liquid Crystal Elastomer Pattern with Composite Structural Colors

open access: yesAdvanced Optical Materials, EarlyView.
A thermochromic cholesteric liquid crystal (CLC) oligomer was synthesized for the preparation of CLC elastomer (CLCE) films with dual reflection bands. Subsequently, a CLCE pattern with composite structural colors was prepared, which was suitably applied for decoration and anti‐counterfeiting.
Li Zhong, Yi Li, Wei Liu, Yonggang Yang
wiley   +1 more source

Roles of the cerebellar vermis in predictive postural controls against external disturbances

open access: yesScientific Reports
The central nervous system predictively controls posture against external disturbances; however, the detailed mechanisms remain unclear. We tested the hypothesis that the cerebellar vermis plays a substantial role in acquiring predictive postural control
Akira Konosu   +4 more
doaj   +1 more source

Wireless Video Communications: Second to Third Generation and Beyond

open access: yes, 2001
"Bridging the gap between the video compression and communication communities, this unique volume provides an all-encompassing treatment of wireless video communications, compression, channel coding, and wireless transmission as a joint subject. WIRELESS
Streit, J., Cherriman, P.J., Hanzo, L.
core  

Flexible data access control in D2D communications

open access: yes, 2018
Device-to-Device (D2D) communications have been regarded as an advanced technology for the next generation mobile communication networks and wireless systems (5G). It is essential to secure D2D communication data for resisting malicious attacks. However,
Zhang, Peng   +7 more
core   +1 more source

On‐Chip Saturated Absorption of CO2 in a Silicon‐on‐Sapphire Waveguide

open access: yesAdvanced Optical Materials, EarlyView.
We demonstrate the first saturated absorption of a molecular gas on a planar photonic chip. By coupling carbon dioxide with the tightly confined light of a silicon‐on‐sapphire waveguide, we achieve optical saturation using only milliwatt powers. This breakthrough provides a practical, low‐power foundation for creating ultra‐compact mid‐infrared ...
Shahar Edelstein   +2 more
wiley   +1 more source

Scheduled Communications in Next Generation Mobile Networks

open access: yes, 2018
5G, as the next phase of mobile communications standards, intends to offer connectivity with greater throughput, higher capacity, lower latency and higher mobility range.
Miloud Bagaa   +5 more
core   +1 more source

Exploring the Synergy of Combining BINAP and tCzBN Motifs Within Multi‐Resonant TADF Emitters to Enhance OLED Performance

open access: yesAdvanced Optical Materials, EarlyView.
This work presents two MR‐TADF emitters, BINAP‐BN1 and BINAP‐BN2, based on a BINAP core and differing numbers of tCzBN units. Both emitters show similar solution photophysics, but distinct behavior in doped films, where BINAP‐BN1 exhibits higher photoluminescence quantum yield and suppressed aggregation‐induced emission broadening compared to BINAP‐BN2.
John Marques dos Santos   +8 more
wiley   +1 more source

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