Zobrazeno 1 - 10
of 162
pro vyhledávání: '"Eva lagunas"'
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 3468-3483 (2024)
An important part of designing non-geostationary satellite orbit (NGSO) constellations is to ensure that they can co-exist with the legacy geostationary satellite orbit (GSO) systems in terms of interference levels. According to the current radio reg
Externí odkaz:
https://doaj.org/article/22e058f6da3443ddb0962c6adbdf7ab3
Autor:
Juan Andres Vasquez-Peralvo, Jorge Querol, Flor Ortiz, Jorge Luis Gonzalez Rios, Eva Lagunas, Luis Manuel Garces-Socorras, Juan Carlos Merlano Duncan, Marcele O. K. Mendonca, Symeon Chatzinotas
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 2343-2357 (2024)
Recent advancements in onboard satellite communication have enhanced the capability of dynamically modifying the radiation pattern of a Direct Radiating Array (DRA). This is crucial not only for conventional communication satellites like Geostationar
Externí odkaz:
https://doaj.org/article/ee99ba2aaa25404c8bfbe8956395655f
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2023, Iss 1, Pp 1-30 (2023)
Abstract Cognitive satellite communication (SatCom) is rapidly emerging as a promising technology to overcome the scarcity of the exclusive licensed band model in order to fulfill the increasing demand for high data rate services. The paper addresses
Externí odkaz:
https://doaj.org/article/7bf2ff810a3b479fbc18f0eb7f6b3b94
Publikováno v:
IEEE Open Journal of Vehicular Technology, Vol 4, Pp 545-557 (2023)
The number of non-geostationary orbit (NGSO) satellite constellations is growing persistently. Accordingly, co-channel interference with geostationary orbit (GSO) networks will inevitably affect the operation of NGSO and GSO satellites in the years t
Externí odkaz:
https://doaj.org/article/df2fc1349824457894bf36ca109cc27a
Autor:
Juan Andres Vasquez-Peralvo, Jorge Querol, Flor Ortiz, Jorge Luis Gonzalez Rios, Eva Lagunas, Victor Monzon Baeza, Gianluca Fontanesi, Luis Manuel Garces-Socorras, Juan Carlos Merlano Duncan, Symeon Chatzinotas
Publikováno v:
IEEE Access, Vol 11, Pp 79684-79696 (2023)
Onboard satellite communication systems generate and manage coverage beams over the Earth. Depending on data traffic requirements, the number of beams, side lobe levels, nulls, and EIRP, their beamwidth must be efficiently generated and managed. Ther
Externí odkaz:
https://doaj.org/article/b3e499716014424e98fd90f2721f741a
Publikováno v:
IEEE Access, Vol 10, Pp 122125-122135 (2022)
Beam hopping (BH) and carrier aggregation (CA) are two promising technologies for the next generation satellite communication systems to achieve several orders of magnitude increase in system capacity and to significantly improve the spectral efficie
Externí odkaz:
https://doaj.org/article/25d5f043a4464c39ae520158fd7cde0f
Publikováno v:
IEEE Open Journal of Vehicular Technology, Vol 3, Pp 120-137 (2022)
In recent years, dynamic traffic demand requisites have driven the satellite communication service providers to implement reconfigurable demand-driven features to align the delivered throughput with the temporal and geographical variations of the tra
Externí odkaz:
https://doaj.org/article/22930cd7cdd945759d9f3c6ddfc5a1c9
Demand and Interference Aware Adaptive Resource Management for High Throughput GEO Satellite Systems
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 3, Pp 759-775 (2022)
The scarce spectrum and power resources, the inter-beam interference, together with the high traffic demand, pose new major challenges for the next generation of Very High Throughput Satellite (VHTS) systems. Accordingly, future satellites are expect
Externí odkaz:
https://doaj.org/article/bf3ac0979cd14ac7a25cba62bef451a8
Autor:
Abdulmajeed Al-Jumaily, Aduwati Sali, Víctor P. Gil Jiménez, Eva Lagunas, Fatin Mohd Ikhsan Natrah, Fernando Pérez Fontán, Yaseein Soubhi Hussein, Mandeep Jit Singh, Fazdliana Samat, Harith Aljumaily, Dhiya Al-Jumeily
Publikováno v:
Sensors, Vol 23, Iss 13, p 6175 (2023)
Fifth-generation (5G) networks have been deployed alongside fourth-generation networks in high-traffic areas. The most recent 5G mobile communication access technology includes mmWave and sub-6 GHz C-bands. However, 5G signals possibly interfere with
Externí odkaz:
https://doaj.org/article/860a9c5827894826a5470e70a8b1f300
Autor:
Sumit Gautam, Eva Lagunas, Ashok Bandi, Symeon Chatzinotas, Shree Krishna Sharma, Thang X. Vu, Steven Kisseleff, Bjorn Ottersten
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 1, Pp 92-108 (2020)
The key to developing future generations of wireless communication systems lies in the expansion of extant methodologies, which ensures the coexistence of a variety of devices within a system. In this paper, we assume several multicasting (MC) groups
Externí odkaz:
https://doaj.org/article/778c14f19b7a4fd5bbaa44fdc69cecde