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Design and development of a low-cost wireless network using IoT technologies for a mudslides monitoring system
(IEEE, Institute of Electrical and Electronics Engineers, 2021)
The city of Lima - Peru is affected periodically by mudslides and floods caused by torrential rains near Lima's mountain region. The Jicamarca ravine is especially affected by this phenomenon and is also critical to the ...
Prototype of automated irrigation system improves the yield of potatoes (Solanum tuberosum L.) in Riobamba-Ecuador using wireless network sensors-WSN and 6LoWPAN
(Universidad de las Fuerzas Armadas, 2019)
Une architecture sensible au contexte pour le développement des systèmes d'administration pour l'enseignement
(2009-12-01)
The increasing use of mobile devices and wireless communication technologies has improved the access to web information systems. However, the development of these systems imposes new challenges mainly due to the heterogeneity ...
Une architecture sensible au contexte pour le développement des systèmes d'administration pour l'enseignement
(2009-12-01)
The increasing use of mobile devices and wireless communication technologies has improved the access to web information systems. However, the development of these systems imposes new challenges mainly due to the heterogeneity ...
LTE radio and network planning: Basic coverage and interference constraints
(Institute of Electrical and Electronics Engineers Inc., 2016)
In the cellular planning process, the UL and DL the values from carrier-to-noise-plus-interference ratio (CNIR) from/at the mobile station are very important parameters. From a detailed analysis of its variation with the ...
Design and implementation of a body coupled communication system for streaming music
(Institute of Electrical and Electronics Engineers Inc., 2017)
Thanks to the revolution in electronics and telecommunications, there is a proliferation of devices for medical applications and others operating in the body area. There is a novel way to connect two transceivers with the ...
Estudo comparativo entre WiFi 802.11 N e 802.11 AC, em relação as técnicas de modulação utilizada e fluxos espaciais MIMO
(Universidade Tecnológica Federal do ParanáCuritibaBrasilTecnologia em Sistemas de TelecomunicaçõesUTFPR, 2020-06-01)
Faced with the need of enhancements in wireless data transmissions and with the increase in broadband access by the population, the standard WI-FI were evolving in order to achieve higher data transmission rates and ensure ...
Esquemas eficientes de comunicação digital e analógica com diversidade espacial e cooperativa
(Universidade Tecnológica Federal do ParanáCuritibaPrograma de Pós-Graduação em Engenharia Elétrica e Informática Industrial, 2013-02-08)
In this thesis we discuss spatial diversity and cooperative diversity techniques for two types of wireless communication systems: digital systems and analog systems. In the context of digital systems, we consider the ...