Results 61 to 70 of about 5,367,121 (287)

Cylindrical dielectric lens antenna for 5G mobile base station [PDF]

open access: yes, 2022
A wide range new technologies such as millimetre wave, massive MIMO technology, multi beam base station antenna are required in the fifth-generation (5G) mobile system. For multi beam base station application, a dielectric lens antenna is selected due to
Kamardin, K.   +5 more
core   +1 more source

Configuration‐Encoded Cell Alignment by Light‐Gated Silicon Photovoltaic Microcell Arrays

open access: yesAdvanced Functional Materials, EarlyView.
Light‐gated silicon photovoltaic microcells convert pulsed illumination into localized electrical cues. Arranging otherwise similar microcells into four‐lobed, six‐lobed, or circular patterns directs fibroblasts into corresponding local arrangements without wired stimulation.
Yifan Tao   +7 more
wiley   +1 more source

QoS-Aware Scheduling in 5G Wireless Base Stations

open access: yesIEEE/ACM Transactions on Networking
5G and beyond networks are expected to support flows with varied \emph{Quality-of-Service (QoS)} requirements under unpredictable traffic conditions. Consequently, designing policies ensuring optimal system utilization in such networks is challenging.
Reshma Prasad, Albert Sunny
openaire   +3 more sources

Distributed Optimization of Distribution Network Considering Regulation of 5G Base Station Communication Load and Backup Energy Storage

open access: yesShanghai Jiaotong Daxue xuebao
5G base stations are in a critical period of large-scale application, and high energy consumption poses economic challenges that hinder their development.
YUAN Kai, WANG Feifei, ZHANG Shenxi, SUN Chongbo, SONG Yi, HOU Ruosong, CHENG Haozhong
doaj   +1 more source

n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz

open access: yesAdvanced Materials, EarlyView.
Combining an n‐doped polymer semiconductor with wafer‐scale asymmetric planar electrodes featuring work function‐engineered contacts yields radio‐frequency diodes and rectifying circuits operating at up to 18.5 GHz. The devices combine scalable manufacturing with an operating frequency previously unattainable by large‐area organic electronics ...
Lazaros Panagiotidis   +19 more
wiley   +1 more source

Phase Noise Model Construction and Denoising Method for Dynamic Infrastructure Measurement in 5G Base Station [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
The 5G base station pass-sensing integration technology, characterized by its all-weather capability, wide coverage, high dynamics, and high precision, has proven effective in deformation monitoring for various types of infrastructure.
R. Wang   +8 more
doaj   +1 more source

Sectoral dual-polarized MIMO antenna for 5G-NR band N77 base station [PDF]

open access: yes, 2021
Massive internet of things (IoT) in 5G has many advantages as a future technology. It brings some challenges such as a lot of devices need massive connection. In this case, multiple-input multiple-output (MIMO) systems offer high performance and capacity
Saharani, Aulia   +3 more
core   +1 more source

Liquid‐Crystal‐Based Reconfigurable Intelligent Surface for 7 GHz Mobile Communication

open access: yesAdvanced Materials Technologies, EarlyView.
The glass‐based liquid‐crystal reconfigurable intelligent surface (LC‐RIS) integrates active‐matrix driving and blind‐greedy phase optimization within a 5G‐NR OFDM framework. This enables continuously tunable and autonomous enhancement of wireless coverage. Leveraging the transparency and manufacturability of liquid crystal panels, it is ideally suited
Tien‐Lun Ting   +5 more
wiley   +1 more source

Study on the Reaction Mechanism of RuOx and Its Enhanced Hydrogen Evolution Reaction Activity

open access: yesAdvanced Science, EarlyView.
In situ Raman spectroscopy and DFT calculations reveal that, prior to the onset of HER, the surface of RuOx undergoes reversible reduction and structural reconstruction. The resulting Ru(II)O/Ru(IV)O2 configuration is identified as the true catalytically active species.
Liquan Zhang   +9 more
wiley   +1 more source

Research on energy saving technology of 5G base station based on AI

open access: yesDianzi Jishu Yingyong, 2019
In response to the national call for energy conservation and emission reduction, the energy saving and consumption reduction of base stations has become the top priority in today′s communications field, the energy-saving technologies of major operators ...
Zhang Zhirong   +3 more
doaj   +1 more source

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