Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Alejandro Aragón-Zavala"'
Autor:
Juan Misael Gongora-Torres, Cesar Vargas-Rosales, Alejandro Aragón-Zavala, Rafaela Villalpando-Hernandez
Publikováno v:
Applied Sciences, Vol 13, Iss 7, p 4405 (2023)
The elevation angle θ is relevant for the Low Earth orbit (LEO) satellite communications since it is always changing its relative position with respect to fixed Earth stations (ES’s), and this affects the link length and received power, PR. This a
Externí odkaz:
https://doaj.org/article/4409bcb481dc4192864e2e20b97cfa2d
Publikováno v:
Sensors, Vol 21, Iss 23, p 8037 (2021)
Access to broadband communications in different parts of the world has become a priority for some governments and regulatory authorities around the world in recent years. Building new digital roads and pursuing a connected society includes looking fo
Externí odkaz:
https://doaj.org/article/1a31dfc17e3a4977941f6c0c1390a7ad
Publikováno v:
Sensors, Vol 21, Iss 20, p 6716 (2021)
Deep knowledge of how radio waves behave in a practical wireless channel is required for the effective planning and deployment of radio access networks in outdoor-to-indoor (O2I) environments. Using more than 400 non-line-of-sight (NLOS) radio measur
Externí odkaz:
https://doaj.org/article/fc79f5a5d8c4477db3851ab311233c21
Publikováno v:
International Journal of Antennas and Propagation, Vol 2015 (2015)
Given the interference avoidance capacity, high gain, and dynamical reconfigurability, phased array antennas (PAAs) have emerged as a key enabling technology for future broadband mobile applications. This is especially important at millimeter-wave (m
Externí odkaz:
https://doaj.org/article/0c6077b52cff45f8b89e2ee676b7a470
Autor:
Gerardo Castanon, Ana Maria Sarmiento, Alberto F. Martinez-Herrera, Alejandro Aragon-Zavala, Fernando Lezama, Zita Vale
Publikováno v:
IEEE Access, Vol 12, Pp 99422-99438 (2024)
The Optimal Power Flow (OPF) problem, used to obtain efficient operation conditions with the lowest cost or the minimum power loss in electrical power systems, is a non-polynomial problem that becomes even harder to analyze when considering renewable
Externí odkaz:
https://doaj.org/article/ebd0f6d1b4ba46158c923bb34c1cb1e2
Publikováno v:
IEEE Access, Vol 12, Pp 62279-62295 (2024)
This paper presents an in-depth investigation into path loss modeling for wireless communication systems, emphasizing the critical role of Exploratory Data Analysis (EDA) and accurate field data collection. It reveals the enhanced efficacy of theoret
Externí odkaz:
https://doaj.org/article/f35dfd35eb8645a09d1e3573b0cf1f22
Autor:
Gerardo Castanon, Alberto F. Martinez-Herrera, Ana Maria Sarmiento, Alejandro Aragon-Zavala, Fernando Lezama
Publikováno v:
IEEE Access, Vol 12, Pp 29940-29958 (2024)
This study presents a comparative analysis of multiple nature-inspired algorithms for solving the non-polynomial Optimal Power Flow (OPF) problem. Through numerical evaluations, we assess their performance across diverse objective functions, addressi
Externí odkaz:
https://doaj.org/article/6107a2fe2f264d0da9962fe5f3882aec
Autor:
Alejandro Aragón-Zavala
Indoor Wireless Communications: From Theory to Implementation provides an in-depth reference for design engineers, system planners and post graduate students interested in the vastly popular field of indoor wireless communications. It contains wirele
Publikováno v:
IEEE Access, Vol 11, Pp 95120-95142 (2023)
This comprehensive review examines the use of Wireless Sensor Networks as a solution for addressing water quality monitoring and data scarcity. It compares Wireless Sensor Networks with traditional laboratory-based and in-situ monitoring methods, hig
Externí odkaz:
https://doaj.org/article/0de0b82d145b44489cfff4ce40325507
Autor:
Juan Misael Gongora-Torres, Cesar Vargas-Rosales, Alejandro Aragon-Zavala, Rafaela Villalpando-Hernandez
Publikováno v:
IEEE Access, Vol 10, Pp 14518-14528 (2022)
Link budgets are widely applied to evaluate communication links for low Earth Orbit (LEO) satellites. However, approaches to calculate the received power from LEO satellites have followed similar procedures to those for Geostationary (GEO) satellites
Externí odkaz:
https://doaj.org/article/ecb8457dff974bc38b8dd070f93f5c14