Zobrazeno 1 - 10
of 2 189
pro vyhledávání: '"Radio channel"'
Publikováno v:
Solar-Terrestrial Physics, Vol 10, Iss 2, Pp 93-101 (2024)
We present a scheme for modeling HF radio signal characteristics along paths of different lengths, which is based on the waveguide approach — the normal mode method. We use a representation of the recorded signal field in the form of Green function
Externí odkaz:
https://doaj.org/article/b1dd51683a4b4bf0b763b433c0a4e6b1
Publikováno v:
Вестник Дагестанского государственного технического университета: Технические науки, Vol 51, Iss 1, Pp 142-152 (2024)
Objective. Development of principles for constructing a multi-level intelligent utility metering system (MISUKU) with increased survivability based on modern utility metering devices (CU) with expanded communication and functionality, as well as dete
Externí odkaz:
https://doaj.org/article/4a702403cabc412b962fdc68c8f9c16a
Autor:
Slawomir J. Ambroziak, Filipe D. Cardoso, Manuel M. Ferreira, Mariella Sarestoniemi, Luis M. Correia
Publikováno v:
IEEE Access, Vol 12, Pp 184285-184302 (2024)
The influence of people’s presence on wideband off-body channel characteristics is presented in this paper. This research is significant for the development of Body Area Networks, as a promising solution for 5G and 6G networks, namely as an emergin
Externí odkaz:
https://doaj.org/article/db70c7178b2f4134a7d87d64b5d618a8
Publikováno v:
IEEE Open Journal of Vehicular Technology, Vol 5, Pp 762-777 (2024)
Channel and delay coefficient are two essential parameters for the characterization of a multipath propagation environment. It is crucial to generate realistic channel and delay coefficient in order to study the channel characteristics that involves
Externí odkaz:
https://doaj.org/article/3b590de9f2264fdaaa6f2de647002c07
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 26, Iss 4, Pp 60-67 (2024)
Background. There is a growing need for active sensory diagnostics of partial HF channels to provide frequency support to quasi-zenith HF radio links in varying signal propagation conditions. Enhancing the efficiency of active sensor algorithms, part
Externí odkaz:
https://doaj.org/article/15e5f3cbd2a2493382ad5244fab2b510
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 23, Iss 1 (2024)
Abstract Mobile radio channel and its effects on the radio link path place fundamental limitations on the performance of wireless communication systems. This paper sets out a new approach for wideband modeling of mobile radio channels to classify dis
Externí odkaz:
https://doaj.org/article/2e4f4647392146a5b6849dd60b145cab
Publikováno v:
Solar-Terrestrial Physics, Vol 9, Iss 4, Pp 83-94 (2023)
We present a modified method of HF radio channel modeling based on a waveguide approach. The waveguide approach represents the electromagnetic field of radiation inside the Earth—ionosphere waveguide as an eigenfunction series of a radial boundary
Externí odkaz:
https://doaj.org/article/a828da8995a947ddbeb3cc50257bc40a
Publikováno v:
Вестник Дагестанского государственного технического университета: Технические науки, Vol 50, Iss 1, Pp 89-98 (2023)
Objective. Development of principles for the construction of a multifunctional intelligent electric energy meter (MSE) with expanded communication and functional capabilities and the construction of MSE based on them for automated systems of commerci
Externí odkaz:
https://doaj.org/article/0622cdb4fc7946aeb6b05b6f7f583d43
Autor:
Fazliddin Makhmudov, Andrey Privalov, Alexander Privalov, Elena Kazakevich, Gamzatdin Bekbaev, Alexey Boldinov, Kyung Hoon Kim, Young Im-Cho
Publikováno v:
Mathematics, Vol 12, Iss 10, p 1452 (2024)
This article introduces a refined mathematical model to evaluate the quality of mobile radio channels within cyber-physical systems, employing the topological transformation of stochastic networks. The operation of the radio channel is conceptualized
Externí odkaz:
https://doaj.org/article/88efb6054c4348e8b3de2e60fd025ef8
Autor:
Kun Yang, Terje Røste
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
Externí odkaz:
https://doaj.org/article/dc60cfe06cc143efb68ffd8ef1ddc678