Results 21 to 30 of about 5,322,042 (292)

Wideband MIMO Antenna for 5G Base Station

open access: yesTạp chí Khoa học và Công nghệ, 2023
In this paper, we present a configuration of a wideband MIMO antenna array for 5G terminals. The single-element antenna has compact size, dual polarization, wide operating bandwidth covering the 5G N78 frequency band, and high isolation between the two ...
Hien Doan Thi Ngoc
doaj   +1 more source

Pregnancy-Specific Concerns and Psychological Impact of COVID-19 on Antenatal Women

open access: yesGynecology Obstetrics & Reproductive Medicine, 2022
OBJECTIVE: The ongoing COVID-19 pandemic is causing widespread concern, fear, stress, anxiety, and depression throughout the population worldwide. Pregnant women, being a vulnerable group, are grossly affected by these changing environmental scenarios ...
Sanjay Singh   +7 more
doaj   +1 more source

The cost estimation of 5G base station decommission based on big data

open access: yesDianzi Jishu Yingyong, 2019
With the rapid development of 5G technology, the number and density of 5G base stations will be far higher than 4G, and the construction and maintenance of base stations will become a problem that cannot be ignored.
Wei Pengtao   +6 more
doaj   +1 more source

Proportionally fair load balancing with statistical quality of service provisioning for aerial base stations

open access: yesETRI Journal, 2023
Aerial base stations (ABSs) seem promising to enhance the coverage and capacity of fifth-generation and upcoming networks. With the flexible mobility of ABSs, they can be positioned in air to maximize the number of users served with a guaranteed quality ...
Shengqi Jiang   +5 more
doaj   +1 more source

Research on condensation phenomenon during energy-saving shutdown of base station

open access: yesDianxin kexue, 2021
5G base station has a significant increase in its full-load power consumption compared to 4G base stations due to multiple transceiver channels, wide bandwidth, high traffic and high transmission power.In the early stage of 5G development, since there ...
Jixiang FU   +4 more
doaj   +2 more sources

Multi-beam adaptive base-station antennas for cellular land mobile radio systems [PDF]

open access: yes, 1989
This paper addresses the problem of meeting the proliferating demands for mobile telephony within the confinements of the limited radio spectrum allocated to these services.
Swales, SC   +5 more
core   +1 more source

Cellular Base Station Imaging for UAV Detection

open access: yesIEEE Access, 2022
As the use of unmanned aerial vehicles (UAVs) is greatly increasing, there is an emerging threat of using UAVs in infrastructure/cyber-attacks and data-eavesdropping.
Pan Cao
doaj   +1 more source

The performance enhancement of multibeam adaptive base-station antennas for cellular land mobile radio systems [PDF]

open access: yes, 1990
The problem of meeting the proliferating demands for mobile telephony within the confinement of the limited radio spectrum allocated to these services is addressed.
Mark A. Beach   +7 more
core   +1 more source

Micro-station sleeping algorithm based on coverage area priority in 5G network

open access: yesDianxin kexue, 2022
With the maturity of 5G mobile communication technology and the rapid growth of the number of mobile terminals, the problem of intensive energy consumption of 5G wireless communication system base stations is prominent.A micro base station area ...
Ziren WANG, Yi LI
doaj   +2 more sources

Accurate and Effective Data Collection with Minimum Energy Path Selection in Wireless Sensor Networks using Mobile Sinks [PDF]

open access: yesJournal of Information Technology Management, 2021
In many significant characteristics of the modern world, including particular industry, agriculture, and military applications, Wireless Sensor Networks (WSNs) have begun to emerge.
Ghaida Muttashar Abdulsahib   +1 more
doaj   +1 more source

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