Zobrazeno 1 - 10
of 10
pro vyhledávání: '"David Alejandro Urquiza Villalonga"'
Publikováno v:
Telemática, Vol 19, Iss 2 (2020)
The fifth-generation (5G) network has been designed to support highly reliable and fast communication technologies to satisfy the increasing demands for higher values of data rates, device density, user mobility, spectrum, and energy efficiency [1].
Externí odkaz:
https://doaj.org/article/02f1388b5ae441b3a7eee3587604c826
Autor:
David Alejandro Urquiza Villalonga, Eduardo García Cotrina, Alejandro A. Vistorte Salgado, Jorge Torres Gómez, David Lee García
Publikováno v:
Telemática, Vol 18, Iss 2 (2019)
Cognitive Radio (CR) systems have become a key paradigm for future wireless communications. Spectrum management efficiency is improved by CR strategies, which allows to Secondary Users (SUs) get opportunistic access to idle bands licensed to Primary
Externí odkaz:
https://doaj.org/article/099cded2f5d844df84581846af114b7a
Publikováno v:
Telemática, Vol 18, Iss 3 (2019)
Los sistemas de Radio Cognitiva con capacidades para recolectar energía (CR-EH) permiten obtener nodos de comunicaciones verdes que operan con alta eficiencia espectral y energética. Los sistemas CR-EH muestran utilidad en diversos campos como Inte
Externí odkaz:
https://doaj.org/article/be94404617d94047a9ea787e85c725a8
Autor:
Liz Martínez Marrero, David Alejandro Urquiza Villalonga, Eddy Hernández Inguanzo, Jorge Torres Gómez
Publikováno v:
Telemática, Vol 15, Iss 1 (2016)
The increasing demand of mobile users imposes a better utilization of the available spectrum. In this regard, Cognitive Radio (CR) technology represents a novel solution for avoiding spectrum scarcity. The implementation of the CR system follows two
Externí odkaz:
https://doaj.org/article/d0620116f04d441498f84cd646f6c86c
Autor:
David Alejandro Urquiza Villalonga, Hatem OdetAlla, M. Julia Fernández-Getino García, Adam Flizikowski
Publikováno v:
Electronics; Volume 11; Issue 24; Pages: 4237
Digital precoding techniques have been widely applied in multiple-input multiple-output (MIMO) systems to enhance spectral efficiency (SE) which is crucial in 5G New Radio (NR). Therefore, the 3rd Generation Partnership Project (3GPP) has developed c
Autor:
David Alejandro Urquiza Villalonga, M. Julia Fernandez-Getino Garcia, Guillem Femenias, Felip Riera-Palou
Publikováno v:
Wireless Communications and Mobile Computing, Vol 2021 (2021)
e-Archivo: Repositorio Institucional de la Universidad Carlos III de Madrid
Universidad Carlos III de Madrid (UC3M)
e-Archivo. Repositorio Institucional de la Universidad Carlos III de Madrid
instname
e-Archivo: Repositorio Institucional de la Universidad Carlos III de Madrid
Universidad Carlos III de Madrid (UC3M)
e-Archivo. Repositorio Institucional de la Universidad Carlos III de Madrid
instname
Network densification is one of the most promising solutions to address the high data rate demands in 5G and beyond (B5G) wireless networks while ensuring an overall adequate quality of service. In this scenario, most users experience significant int
Publikováno v:
e-Archivo. Repositorio Institucional de la Universidad Carlos III de Madrid
instname
IEEE Transactions on Wireless Communications
instname
IEEE Transactions on Wireless Communications
Energy harvesting (EH) emerges as a novel technology to promote green energy policies. Based on Cognitive Radio (CR) paradigm, nodes are designed to operate with harvested energy from radio frequency signals. CR-EH systems state several strategies ba
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::44f510a459a638bfd7460e2938d5b106
https://hdl.handle.net/10016/30033
https://hdl.handle.net/10016/30033
Publikováno v:
e-Archivo. Repositorio Institucional de la Universidad Carlos III de Madrid
instname
CSNDSP
e-Archivo: Repositorio Institucional de la Universidad Carlos III de Madrid
Universidad Carlos III de Madrid (UC3M)
2020 12th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)
instname
CSNDSP
e-Archivo: Repositorio Institucional de la Universidad Carlos III de Madrid
Universidad Carlos III de Madrid (UC3M)
2020 12th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)
Proceeding of: 12th IEEE/IET International Symposium on Communication Systems, Networks and Digital Signal Processing, (CSNDSP), 20-22, July 2020, (Online). Energy-efficient interference alignment (IA) algorithms that simultaneously satisfy continuou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d8f64564e1d561db103865453b62e272
http://hdl.handle.net/10016/30616
http://hdl.handle.net/10016/30616
Autor:
Liz M. Marrero, David Alejandro Urquiza Villalonga, Eddy Hernández Inguanzo, Jorge Torres Gómez
Publikováno v:
BASE-Bielefeld Academic Search Engine
Telemática, Vol 15, Iss 1 (2016)
Telemática, Vol 15, Iss 1 (2016)
The increasing demand of mobile users imposes a better utilization of the available spectrum. In this regard, Cognitive Radio (CR) technology represents a novel solution for avoiding spectrum scarcity. The implementation of the CR system follows two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::417a7a17ec70e25b8a5a038d77bfa095
https://doaj.org/article/d0620116f04d441498f84cd646f6c86c
https://doaj.org/article/d0620116f04d441498f84cd646f6c86c
Autor:
David Alejandro Urquiza Villalonga, Hatem OdetAlla, M. Julia Fernández-Getino García, Adam Flizikowski
Publikováno v:
2022 IEEE Conference on Standards for Communications and Networking (CSCN)
Proceeding of: IEEE Conference on Standards for Communications and Networking (CSCN 2022), 28-30 November 2022, Thessaloniki, Greece Advanced multiple-input multiple-output (MIMO) beamforming techniques are crucial in 5G New Radio (NR) to achieve the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6852d4f8e1a988eb6a26243ab59c01fe