Zobrazeno 1 - 10
of 191
pro vyhledávání: '"Mobile satellite communications"'
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 24, Iss 3, Pp 100-106 (2021)
It is known that the most reliable communication in hard-to-reach places such as the Arctic, Tundra, Taiga is satellite communication [1-5]. Therefore, for satellite communications, it is necessary to develop your own antenna arrays. This article dis
Externí odkaz:
https://doaj.org/article/e48ef49358374bc3acab94554487711c
Akademický článek
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Autor:
Stojce Dimov Ilcev
Publikováno v:
TransNav: International Journal on Marine Navigation and Safety of Sea Transportation, Vol 14, Iss 4, Pp 811-819 (2020)
This paper introduces analyzes of the Frequency Division Multiple Access (FDMA) applicable in Global Mobile Satellite Communications (GMSC). In satellite systems, as a rule, especially in GMSC many users are active at the same time. The problem of si
Externí odkaz:
https://doaj.org/article/7152affc177a41daa8be3e5c6358f7f1
Autor:
Stojce Dimov Ilcev
Publikováno v:
TransNav: International Journal on Marine Navigation and Safety of Sea Transportation, Vol 14, Iss 4, Pp 805-810 (2020)
This paper describes in particular Code Division Multiple Access (CDMA) applicable in Global Mobile Satellite Communications (GMSC). In satellite communication systems, as a rule, especially in GMSC networks many users are active at the same time. Th
Externí odkaz:
https://doaj.org/article/887b3c5373da464aa0eacd88763a773c
Autor:
Stojce Dimov Ilcev
Publikováno v:
TransNav: International Journal on Marine Navigation and Safety of Sea Transportation, Vol 14, Iss 4, Pp 831-837 (2020)
This paper provides analyzes of the Time Division Multiple Access (TDMA) techniques and their hybrids with Time Division Multiplexing (TDM) for implementation in Global Mobile Satellite Communications (GMSC). In satellite communication systems, and e
Externí odkaz:
https://doaj.org/article/71b42eb06ff5403a95f2d03d5f1afcfa
Autor:
Stojce Dimov Ilcev
Publikováno v:
TransNav: International Journal on Marine Navigation and Safety of Sea Transportation, Vol 14, Iss 4, Pp 821-830 (2020)
This paper describes analyzes of the Space Division Multiple Access (SDMA) technique and their hybrids with other Multiple Access Technique (MAT) such as Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), and Code Divisi
Externí odkaz:
https://doaj.org/article/e071c74a6cfc47f298a467486152ef0e
Autor:
V. V. Nikonorov
Publikováno v:
Евразийская интеграция: экономика, право, политика, Vol 0, Iss 4, Pp 82-93 (2019)
International Mobile Satellite Organization INMARSAT, established in 1976, has proven its viability and effectiveness by ensuring continuous interaction of states and national organizations in achieving common objectives of the creation and operation
Externí odkaz:
https://doaj.org/article/e691df116a9f4a8d9064f62705b27545
Autor:
Yonghwa Lee, Jihwan P. Choi
Publikováno v:
IEEE Access, Vol 7, Pp 49077-49087 (2019)
Communication satellites have a much longer propagation delay than terrestrial communication networks such as cellular or WiFi. In addition, as the carrier frequency moves up, mobile satellite communications show worse performances than the conventio
Externí odkaz:
https://doaj.org/article/f8341e7638c8490482e5c3771be4e100
Publikováno v:
Satellite News. 4/10/2006, Vol. 29 Issue 14, p1-1. 1/5p.