Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Erik Ortiz"'
Publikováno v:
Telemática, Vol 22 (2024)
En la actualidad las tecnologías de la información y la comunicación (TIC) revolucionan todos los ámbitos de la vida en sociedad. Esto supone un reto a las universidades, especialmente las de Cuba: el proceso de enseñanza-aprendizaje ha de sumar
Externí odkaz:
https://doaj.org/article/28dda5da74fc4e12ac8001abd423baaf
Autor:
Erik Ortiz Guerra, Mario Martínez Morfa, Carlos Manuel García Algora, Hector Cruz-Enriquez, Kris Steenhaut, Samuel Montejo-Sánchez
Publikováno v:
Future Internet, Vol 16, Iss 6, p 187 (2024)
Time slotted channel hopping (TSCH) has become the standard multichannel MAC protocol for low-power lossy networks. The procedure for associating nodes in a TSCH-based network is not included in the standard and has been defined in the minimal 6TiSCH
Externí odkaz:
https://doaj.org/article/902267d4f19045498ca3ec17558ad188
Autor:
Erik Ortiz-Blanco, Maritza Mendoza-de la Cruz, Ricardo Tovar-Miranda, Gabriela Alejandra Sosa-Ortiz, Tomás Guerrero
Publikováno v:
Results in Chemistry, Vol 5, Iss , Pp 100932- (2023)
The formylation of aromatic substrates is an important reaction in organic chemistry. Indeed, several protocols have been published to afford aromatic aldehydes, which are important precursors in materials and medicinal chemistry. One useful, neverth
Externí odkaz:
https://doaj.org/article/a913b37b63b24292862cc64466ab5c0c
Autor:
Irene Pericot-Valverde, Angelica Perez, Moonseong Heo, Ashley Coleman, Erik Ortiz, Krupa Merchant, Trish Melling, Alain Litwin
Publikováno v:
Contemporary Clinical Trials Communications, Vol 28, Iss , Pp 100918- (2022)
Background: Opioid use disorder (OUD) has led to a staggering death toll in terms of drug-related overdoses. Despite the demonstrated benefits and effectiveness of buprenorphine, retention is suboptimal, and patients typically present with high rates
Externí odkaz:
https://doaj.org/article/721232b1e39d4fc19e465cab309a799d
Autor:
Alejandro Iglesias-Rivera, Roald Van Glabbeek, Erik Ortiz Guerra, An Braeken, Kris Steenhaut, Hector Cruz-Enriquez
Publikováno v:
Sensors, Vol 22, Iss 6, p 2253 (2022)
It has been demonstrated that LoRa-based wide area networks (WANs) can cover extended areas under harsh propagation conditions. Traditional LoRaWAN solutions based on single-hop access face important drawbacks related to the presence of blind spots.
Externí odkaz:
https://doaj.org/article/78ff34572c8c4f2a8d5c49c4e76c7c72
Publikováno v:
Telemática, Vol 18, Iss 2 (2019)
En el presente trabajo se realiza un estudio de las técnicas avanzadas de modulación, específicamente de las NUC (Non Uniform Constellations) y su comportamiento cuando son aplicadas a estándares de DTT (Digital Terrestrial Television). Esta asev
Externí odkaz:
https://doaj.org/article/cadf401e0c4445c7818325e0df3a0758
Autor:
Yusniel Ruiz Reyez, Erik Ortiz Guerra
Publikováno v:
Revista Ingeniería Electrónica, Automática y Comunicaciones, Vol 32, Iss 1, Pp 1-7 (2011)
La identificación por radio frecuencia constituye una tecnología que permite la identificación de manera única de objetos. El empleo de un canal compartido para la comunicación entre los objetos a identificar y los lectores, determinan la presen
Externí odkaz:
https://doaj.org/article/29e502b2464442978b9b25f81fe7b807
Autor:
Consoli, Davide, Henry, Clément, Dély, Alexandre, Rahmouni, Lyes, Guzman, John Erik Ortiz, Chhim, Tiffany L., Adrian, Simon B., Merlini, Adrien, Andriulli, Francesco P.
This work presents a fast direct solver strategy for electromagnetic integral equations in the high-frequency regime. The new scheme relies on a suitably preconditioned combined field formulation and results in a single skeleton form plus identity eq
Externí odkaz:
http://arxiv.org/abs/2203.13283
Publikováno v:
Revista Cubana de Ingeniería, Vol 2, Iss 1 (2011)
The development of underwater networks presents great challenges, most of which are related to the complexity of the communication channel. The main difficulties to face in the underwater channel are the restricted bandwidth and the low propagation s
Externí odkaz:
https://doaj.org/article/5c3d68e6276444b1bc883b33f26cf64b
Autor:
Guerra, Erik Ortiz a, ⁎, Reguera, Vitalio Alfonso b, Duran-Faundez, Cristian c, Nguyen, Thi Mai Trang d
Publikováno v:
In Computer Communications 1 November 2022 195:82-98