Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Ugo Silva Dias"'
Autor:
Higo Thaian P. Da Silva, Hugerles S. Silva, Marcelo S. Alencar, Wamberto J. L. De Queiroz, Ugo Silva Dias
Publikováno v:
IEEE Access, Vol 11, Pp 26979-26995 (2023)
Future wireless communication systems depend on the network’s ultra-densification, on the application of massive multiple-input multiple-output (mMIMO) techniques and on the use of higher frequency bands to satisfy the ever-increasing demands for c
Externí odkaz:
https://doaj.org/article/522641d4f4f54c839e1eb6da44dc783b
RegBR: A novel Brazilian government framework to classify and analyze industry-specific regulations.
Autor:
Letícia Moreira Valle, Stefano Giacomazzi Dantas, Daniel Guerreiro E Silva, Ugo Silva Dias, Leonardo Monteiro Monasterio
Publikováno v:
PLoS ONE, Vol 17, Iss 9, p e0275282 (2022)
Government transparency and openness are key factors to bring forth the modernization of the state. The combination of transparency and digital information has given rise to the concept of Open Government, that increases citizen understanding and mon
Externí odkaz:
https://doaj.org/article/e72fa45b66644b63bb441984732a6232
Autor:
Vinay Bankey, Prabhat K. Upadhyay, Daniel Benevides Da Costa, Petros S. Bithas, Athanasios G. Kanatas, Ugo Silva Dias
Publikováno v:
IEEE Access, Vol 6, Pp 24729-24745 (2018)
Satellite communication systems need to be integrated with emerging cooperative relaying techniques to provide seamless connectivity and high-speed broadband access for mobile users in future wireless networks. In this paper, we study a multi-antenna
Externí odkaz:
https://doaj.org/article/00cad83025c544d480969b984397b86d
Publikováno v:
IEEE Access, Vol 6, Pp 55345-55360 (2018)
In this paper, the secrecy performance of a dual-hop mixed radio-frequency/underwater optical wireless communication (RF-UOWC) system is investigated. The considered system consists of one single antenna source node (S) communicating with one destina
Externí odkaz:
https://doaj.org/article/b67036917cff40f899433ec4c5768aa2
Autor:
Fernando López Rodríguez, Ugo Silva Dias, Divanilson R. Campelo, Robson de Oliveira Albuquerque, Se-Jung Lim, Luis Javier García Villalba
Publikováno v:
Sensors, Vol 19, Iss 6, p 1335 (2019)
The next generation of 5G networks is being developed to provide services with the highest Quality of Service (QoS) attributes, such as ultra-low latency, ultra-reliable communication, high data rates, and high user mobility experience. To this end,
Externí odkaz:
https://doaj.org/article/70f597dbeb654121a1ad5ce23c6df11c
Publikováno v:
SET INTERNATIONAL JOURNAL OF BROADCAST ENGINEERING. 2022
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d0f63c15e4c7a17418000e9a16e651b
https://doi.org/10.18580/setijbe.2022.2
https://doi.org/10.18580/setijbe.2022.2
Autor:
Liang Yang, Rodolfo Oliveira, Daniel Benevides da Costa, Ugo Silva Dias, J. Carvalho, George C. Alexandropoulos
Publikováno v:
IEEE Wireless Communications Letters. 10:189-193
This letter investigates user fairness in wireless powered communication networks (WPCNs) with non-orthogonal multiple access (NOMA) with the aim of maximizing the equal individual data rates. Initially, it is proposed the bisection method to obtain
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03fdc9d95f5ec0d0e9152625dc8a6c2a
https://doi.org/10.1109/lwc.2020.3030818
https://doi.org/10.1109/lwc.2020.3030818
Autor:
Ugo Silva Dias, Paschalis C. Sofotasios, Sami Muhaidat, Jules M. Moualeu, Walaa Hamouda, Daniel Benevides da Costa
Publikováno v:
IEEE Transactions on Sustainable Computing. 6:105-118
The present work investigates the physical layer security of wireless communication systems over non-homogeneous fading environments, i.e., $\eta$ η - $\mu$ μ and $\lambda$ λ - $\mu$ μ fading models, which are typically encountered in realistic w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e9d7b6ac75d5b9114d66f6fe0a19642
https://doi.org/10.1109/tsusc.2019.2915547
https://doi.org/10.1109/tsusc.2019.2915547
Autor:
Rodolfo Oliveira, Brena Kelly Sousa Lima, Ugo Silva Dias, Liang Yang, F. Rafael M. Lima, Daniel Benevides da Costa
Publikováno v:
IEEE Transactions on Vehicular Technology. 69:14061-14066
This paper investigates the performance of cooperative networks based on non-orthogonal multiple access (NOMA) with multiple full-duplex decode-and-forward relays. Taking into account rate fairness between the users and assuming imperfect successive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de4c76894da3c951cf5ac298a68ae9a9
https://doi.org/10.1109/tvt.2020.3029791
https://doi.org/10.1109/tvt.2020.3029791
Autor:
Dick Carrillo, Pedro H. J. Nardelli, Zhiguo Ding, Ugo Silva Dias, Walid Saad, Fang Fang, Constantinos B. Papadias, Daniel Benevides da Costa, Arthur Sousa de Sena
Publikováno v:
IEEE wireless communications letters, 2020, Vol.27(5), pp.24-31 [Peer Reviewed Journal]
Massive multiple-input multiple-output (MIMO) and non-orthogonal multiple access (NOMA) are two key techniques for enabling massive connectivity in future wireless networks. A massive MIMO-NOMA system can deliver remarkable spectral improvements and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::23c2788eb58925a3c0b3648282d6b10c
https://doi.org/10.1109/mwc.001.2000061
https://doi.org/10.1109/mwc.001.2000061