Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Juan Carlos Merlano-Duncan"'
Autor:
Liz Martinez Marrero, Juan Carlos Merlano-Duncan, Jorge Querol, Sumit Kumar, Jevgenij Krivochiza, Shree Krishna Sharma, Symeon Chatzinotas, Adriano Camps, Bjorn Ottersten
Publikováno v:
IEEE Access, Vol 10, Pp 45375-45409 (2022)
Cohesive Distributed Satellite Systems (CDSSs) is a key enabling technology for the future of remote sensing and communication missions. However, they have to meet strict synchronization requirements before their use is generalized. When clock or loc
Externí odkaz:
https://doaj.org/article/38a799515aa94184bf6429f3b81fc361
Autor:
Juan Carlos Merlano-Duncan, Liz Martinez-Marrero, Jorge Querol, Sumit Kumar, Adriano Camps, Symeon Chatzinotas, Bjorn Ottersten
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 14, Pp 1909-1922 (2021)
Phase, frequency, and time synchronization are crucial requirements for many applications, such as multistatic remote sensing and communication systems. Moreover, the synchronization solution becomes even more challenging when the nodes are orbiting
Externí odkaz:
https://doaj.org/article/4b687ff96afc4e5e970c57db4fed660e
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
Autor:
Liz Martinez Marrero, Juan Carlos Merlano Duncan, Jorge Luis Gonzalez, Jevgenij Krivochiza, Symeon Chatzinotas, Bjorn Ottersten, Adriano Camps
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 712-729 (2024)
Synchronizing the local oscillators in multibeam satellites with the objective of coherent communications is still an open challenge. It has to be addressed to implement full-frequency reuse approaches, such as precoding techniques using the already
Externí odkaz:
https://doaj.org/article/891c5fd5479e402ba5d6bd4e3203dae5
Autor:
Vibhum Singh, Sourabh Solanki, Geoffrey Eappen, Rakesh Palisetty, Thang X. Vu, Juan Carlos Merlano-Duncan, Symeon Chatzinotas, Bjorn Ottersten
Publikováno v:
IEEE Wireless Communications Letters. 11:2655-2659
Future wireless networks pose several challenges such as high spectral efficiency, wide coverage massive connectivity, low receiver complexity, etc. To this end, this letter investigates an overlay based cognitive hybrid satellite-terrestrial network
Autor:
Juan A. Vasquez-Peralvo, Juan Carlos Merlano Duncan, Rakesh Palisetty, Vibhum Singh, Geoffrey Eappen, Jorge Luis Gonzalez-Rios
Publikováno v:
2022 IEEE Globecom Workshops (GC Wkshps).
This paper presents the design, simulation, and manufacturing of a right-hand circularly polarized antenna working in the frequency band 17.7-20.2 GHz with a beamwidth of 42.4$^\circ$ and 5.4$^\circ$ for the H-plane and E-plane, respectively. The pre
Autor:
Juan A. Vasquez-Peralvo, Juan Carlos Merlano Duncan, Jose M. Fernandez-Gonzalez, Symeon Chatzinotas
Publikováno v:
2022 International Symposium on Antennas and Propagation (ISAP).
Autor:
Rakesh Palisetty, Geoffrey Eappen, Jorge Luis Gonzalez Rios, Juan Carlos Merlano Duncan, Stavros Domouchtsidis, Symeon Chatzinotas, Bjom Ottersten, Bingen Cortazar, Salvatore D'Addio, Piero Angeletti
Satellite communication systems can provide seamless wireless coverage directly or through complementary ground terrestrial components and are projected to be incorporated into future wireless networks, particularly 5G and beyond networks. Increased
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::153c691cc7a31ebadb891b8f26a09068
http://orbilu.uni.lu/handle/10993/51060
http://orbilu.uni.lu/handle/10993/51060
Autor:
Thang X. Vu, Symeon Chatzinotas, Steven Kisseleff, Lei Lei, George Goussetis, Jesus Fabian Mendoza Montoya, Oltjon Kodheli, Jorge Querol, Eva Lagunas, Danilo Spano, Bhavani Shankar, Nicola Maturo, Shree Krishna Sharma, Juan Carlos Merlano Duncan
Publikováno v:
BASE-Bielefeld Academic Search Engine
Satellite communications have recently entered a period of renewed interest motivated by technological advances and nurtured through private investment and ventures. The present survey aims at capturing the state of the art in SatComs, while highligh
Autor:
Symeon Chatzinotas, Bjorn Ottersten, Alireza Haqiqatnejad, Jevgenij Krivochiza, Juan Carlos Merlano Duncan
Publikováno v:
IEEE Access, Vol 9, Pp 30698-30711 (2021)
This paper proposes and validates a low-complexity FPGA design for symbol-level precoding (SLP) in multiuser multiple-input single-output (MISO) downlink communication systems. In the optimal case, the symbol-level precoded transmit signal is obtaine