Este artigo contém informações e conhecimentos da tecnologia Voz sobre IP. Com ênfase na codifica... more Este artigo contém informações e conhecimentos da tecnologia Voz sobre IP. Com ênfase na codificação do sinal de voz, no estudo dos parâmetros de QoS abordando os Serviços Diferenciados (DiffServ), e os tipos de Redes de Comutação. Métodos de avaliação de codec, dividindo em testes subjetivos e objetivos
Conceitos de Voz sobre IP
Codificadores de Voz: CODEC’s
Avaliação dos CODEC’s
Conceitos de Qualid... more Conceitos de Voz sobre IP Codificadores de Voz: CODEC’s Avaliação dos CODEC’s Conceitos de Qualidade de Serviço
This article presents a study of the energy system of Brazil as a whole, with regard to generatio... more This article presents a study of the energy system of Brazil as a whole, with regard to generation, transmission and distribution of electrical energy. Brazil has for electric power generation hydroelectric power plants, wind, solar, nuclear and thermal power. This article is addressed to the generation of electricity through hydroelectric plant Itutinga in the state of Minas Gerais. Indicating the main points about the substation of São João Del Rei, near the Itutinga power plant.
LTE is a fourth generation mobile technology. Since this technology is being deployed in the worl... more LTE is a fourth generation mobile technology. Since this technology is being deployed in the world and many opportunities are being created, it is essential to study this. This document presents the main features of the LTE operation, like as physical layer, architecture, network and operating range. Will also be presented the application and technology landscape, demonstrating what services can be used and the situation of LTE networks in the world. And finally, appears the main theme of this document, that are simulations of coverage and capacity. Therefore, we use a building database, created based on Google Earth images. Through the software, Mentum Planet, RF predictions are performed using the city of Brasilia as the region to be covered. The focus of the simulations is to verify the impact that buildings can cause on the signal propagation, and the differences between a omnidirectional station and a tri-directional with respect to the number of stations needed to cover the urban area of Brasília.
Este artigo contém informações e conhecimentos da tecnologia Voz sobre IP. Com ênfase na codifica... more Este artigo contém informações e conhecimentos da tecnologia Voz sobre IP. Com ênfase na codificação do sinal de voz, no estudo dos parâmetros de QoS abordando os Serviços Diferenciados (DiffServ), e os tipos de Redes de Comutação. Métodos de avaliação de codec, dividindo em testes subjetivos e objetivos
Conceitos de Voz sobre IP
Codificadores de Voz: CODEC’s
Avaliação dos CODEC’s
Conceitos de Qualid... more Conceitos de Voz sobre IP Codificadores de Voz: CODEC’s Avaliação dos CODEC’s Conceitos de Qualidade de Serviço
This article presents a study of the energy system of Brazil as a whole, with regard to generatio... more This article presents a study of the energy system of Brazil as a whole, with regard to generation, transmission and distribution of electrical energy. Brazil has for electric power generation hydroelectric power plants, wind, solar, nuclear and thermal power. This article is addressed to the generation of electricity through hydroelectric plant Itutinga in the state of Minas Gerais. Indicating the main points about the substation of São João Del Rei, near the Itutinga power plant.
LTE is a fourth generation mobile technology. Since this technology is being deployed in the worl... more LTE is a fourth generation mobile technology. Since this technology is being deployed in the world and many opportunities are being created, it is essential to study this. This document presents the main features of the LTE operation, like as physical layer, architecture, network and operating range. Will also be presented the application and technology landscape, demonstrating what services can be used and the situation of LTE networks in the world. And finally, appears the main theme of this document, that are simulations of coverage and capacity. Therefore, we use a building database, created based on Google Earth images. Through the software, Mentum Planet, RF predictions are performed using the city of Brasilia as the region to be covered. The focus of the simulations is to verify the impact that buildings can cause on the signal propagation, and the differences between a omnidirectional station and a tri-directional with respect to the number of stations needed to cover the urban area of Brasília.
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Papers by Victor Mota
Codificadores de Voz: CODEC’s
Avaliação dos CODEC’s
Conceitos de Qualidade de Serviço
Codificadores de Voz: CODEC’s
Avaliação dos CODEC’s
Conceitos de Qualidade de Serviço