Zobrazeno 1 - 10
of 3 156
pro vyhledávání: '"satellite systems"'
Publikováno v:
ICT Express, Vol 10, Iss 3, Pp 588-593 (2024)
In this paper, we design some new LDPC-coded orthogonal modulation (OM) schemes for high data rate transmissions (HDRT) in the navigation satellite systems. We analyze their error-performance utilizing soft-decision bit metrics and compare them with
Externí odkaz:
https://doaj.org/article/95c077f0f99d49629e7f444570367c24
Publikováno v:
Journal of Geodetic Science, Vol 14, Iss 1, Pp 47-6131 (2024)
Externí odkaz:
https://doaj.org/article/bc7ef574f5494608a73eaeb82c2d881d
Autor:
Mohammad M. Al-Khaldi, Joel T. Johnson, Dustin Horton, Darren S. McKague, Dorina Twigg, Anthony Russel, Frederick S. Policelli, Jeffrey D. Ouellette, Rajat Bindlish, Jeonghwan Park
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 15480-15493 (2024)
An analysis of a Level-2 (L2) soil moisture record extending from 1 May 2021 to 1 January 2024 derived from Spire, Inc.’s Global Navigation Satellite System Reflectometry (GNSS-R) observatories is presented. The product's sensitivity to large scale
Externí odkaz:
https://doaj.org/article/a68cc913b8044dce93553b961fea8e0e
Publikováno v:
IEEE Access, Vol 12, Pp 43410-43421 (2024)
The use of quantum satellites can be significant paving the way for novel telecommunications network paradigms, making it possible to connect remote regions. Given the rapid development of quantum communication technologies, many studies are focusing
Externí odkaz:
https://doaj.org/article/3ee0a7056a54472b85c8bab86f64bedf
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 3701-3714 (2024)
This article explores the enhancement of Global Navigation Satellite Systems (GNSS) tropospheric tomography by integrating remote sensing data and employing various vertical constraints. Wet refractivity modeling, critical for understanding atmospher
Externí odkaz:
https://doaj.org/article/84479d7e9ad149fcafa578d92e59d9e7
Autor:
Younghun Kang, Ethan Kubatko, Mohammad M. Al-Khaldi, Joel T. Johnson, Suranjan Nepal, Aaron Sines
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 3791-3798 (2024)
This work assesses the impact of the Cyclone Global Navigation Satellite System (CYGNSS) (full delay-Doppler map) informed wind fields on storm surge simulations using the constellation's storm observations. In order to assess the impact of the CYGNS
Externí odkaz:
https://doaj.org/article/feb7443892be4d33aaf78e52a98c3cfd
Publikováno v:
ICT Express, Vol 9, Iss 6, Pp 1103-1109 (2023)
In this paper, the coexistence between fifth generation (5G) network and fixed satellite service (FSS) is investigated. To reduce the interference between 5G base stations (BSs) and FSS earth station (ES), a guard band protection method is proposed.
Externí odkaz:
https://doaj.org/article/a4e7216cdb19444bac45a3a029aa0792
Publikováno v:
Vestnik KRAUNC: Fiziko-Matematičeskie Nauki, Vol 45, Iss 4, Pp 166-189 (2023)
Состояние ионосферы является важным параметром характеризующим динамику Солнечно – Земных связей. Полное электронное содержание ионо
Externí odkaz:
https://doaj.org/article/e591ff3a7fec4875a0f5d9fe2052f561
Publikováno v:
Egyptian Journal of Remote Sensing and Space Sciences, Vol 26, Iss 4, Pp 1036-1045 (2023)
The article develops a methodology for analyzing the noise immunity of satellite communication systems under small-scale disturbances of the ionosphere, taking into account the possibility of general and time-selective fading of received signals Diff
Externí odkaz:
https://doaj.org/article/c99351d1f73342b1b1490303da2e073a