Zobrazeno 1 - 10
of 2 730
pro vyhledávání: '"antenna system"'
Publikováno v:
Doklady Belorusskogo gosudarstvennogo universiteta informatiki i radioèlektroniki, Vol 22, Iss 2, Pp 32-41 (2024)
The review article summarizes the most significant results of research on the creation of antenna systems for mobile radio communications and radar, carried out at the Department of Information Radio Technologies of the Belarusian State University o
Externí odkaz:
https://doaj.org/article/e27cf426744247c2adff0d1ce1cd1377
Autor:
Kai-Kit Wong
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 6890-6902 (2024)
This paper proposes a transmitter channel state information (CSI)-free, massive connectivity scheme in the downlink that requires no optimization from the base station (BS) side. Inter-user interference is dealt with solely by the mobile users themse
Externí odkaz:
https://doaj.org/article/4eaed9023db749d8852e7ee2f4bead9d
Autor:
Jungsun Um, Jaehyun Park
Publikováno v:
IEEE Access, Vol 12, Pp 104367-104379 (2024)
In this paper, we consider a distributed antenna system (DAS) with polarized antennas for the industrial internet-of-things, where distributed sensor nodes (SNs) with a single antenna are served by the closest distributed antenna (DA) port having mul
Externí odkaz:
https://doaj.org/article/2fbacb9fe0b347a994c5ef2ff5f04f12
Publikováno v:
IEEE Access, Vol 12, Pp 85601-85607 (2024)
Advanced antenna system (AAS) is a viable option for 5G millimeter-wave (mmWave) applications. AAS single element is favored to be dual-polarized, wideband, high gain, and compact in order to be utilized for 5G antenna arrays. In this paper, a low co
Externí odkaz:
https://doaj.org/article/be617b8185fe4996bbf3258c553bf226
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 26, Iss 5, Pp 50-62 (2023)
Introduction. The active development of satellite communication networks determines the need for new antenna systems for ground terminals. The Sphere Federal program implies the commissioning of new satellite constellations for communication and remo
Externí odkaz:
https://doaj.org/article/40eb8d48736b401aa12421f03271b490
Publikováno v:
Sensors, Vol 24, Iss 19, p 6206 (2024)
Glass fibre-reinforced polymer (GFRP) is a suitable substrate material for constructing a Conformal Load-Bearing Antenna Structure (CLAS). The relative permittivity of the CLAS substrate, which determines its resonant frequency, is affected by damage
Externí odkaz:
https://doaj.org/article/3f80ddb094bd42e38eb92fa8660af5d2
Autor:
Yonggue Han, Dongkyu Sim
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2023, Iss 1, Pp 1-10 (2023)
Abstract We consider the deployment of a large-scale circular layout-distributed antenna system. To maximize energy efficiency, we define the optimization problem with the approximated analysis and find the number of deployed antennas as a closed-for
Externí odkaz:
https://doaj.org/article/c98acd299a9244efab98d06fc0d1d866
Autor:
Islamov Islam, Safarli Arzu
Publikováno v:
Transport and Telecommunication, Vol 24, Iss 3, Pp 297-308 (2023)
The work deals with the design, modelling and research of an antenna system for transmitting and receiving information in satellite systems. It was revealed that this antenna array with a transmitter of 85 dBWt is guaranteed to solve the target probl
Externí odkaz:
https://doaj.org/article/9d8fdff3d705425cb413099727359ee9
Publikováno v:
Micromachines, Vol 15, Iss 6, p 705 (2024)
In this paper, a novel input impedance analysis methodology based on Babinet’s principle to broaden bandwidth is proposed, and a broadband multiple-input and multiple-output (MIMO) antenna system is designed, fabricated, and measured for fifth-gene
Externí odkaz:
https://doaj.org/article/bbcd882bae284389b37b513108955055
Autor:
Sotnikov O., Petrov K., Udovenko S., Gnusov Yu., RadchenkoV., Kaliakin S., Gromliuk K., Kyrychenko O.
Publikováno v:
Problems of the Regional Energetics, Vol 57, Iss 1, Pp 134-146 (2023)
The goal of the work is to expand the frequency range of operation of coplanar waveguide transmission lines as broadband high-speed superconducting protection devices against powerful ultrashort electromagnetic radiation, and to apply them in antenna
Externí odkaz:
https://doaj.org/article/9b526a55eab24aff8e656039cad1fe36