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Abstract(s)
Uma Rede de Sensores sem Fio (RSSF) é constituída por um conjunto de dispositivos sem fios distribuídos numa determinada área, com o objetivo de monitorizar variáveis como a temperatura, humidade, pressão e outras, em locais que a sua implementação seja preferível ou benéfica em relação às típicas redes cabladas.
Para estas RSSF poderem satisfazer as diferentes necessidades de implementação têm de possuir determinados requisitos como o baixo custo, baixa latência e baixo consumo energético. Os protocolos de encaminhamento têm um papel fundamental para a sintonia entre os principais requisitos das RSSF, pelo que foram desenvolvidos protocolos para determinadas necessidades e, em alguns casos, posteriormente alterados para oferecer melhor adaptação a diferentes ambientes.
Este trabalho tem como objetivo apresentar uma análise sobre os protocolos de encaminhamento usados nas RSSF, as suas características e funcionamento, com a intenção de criar um documento que reúna a informação mais importante e, de uma forma simples, para orientar futuras decisões para o desenvolvimento de futuros projetos nesta área.
A Wireless Sensor Network (WSN) is constituted by a set of wireless devices distributed over a certain area, for the purpose of monitoring variables such as temperature, humidity, pressure and others, in places that its implementation is preferred or beneficial compared to typical wired networks. For these WSN can meet the different deployment needs must have certain requirements such as low cost, low latency and low power consumption. routing protocols have a key role in the harmony between the main requirements of WSN, so protocols have been developed for specific needs and, in some cases, subsequently amended to provide better adaptation to different environments. This paper aims to present an analysis of the routing protocols used in WSN, its features and operation, with the intention of creating a document containing the most important information and, in a simple way, to guide future decisions for development future projects in this area.
A Wireless Sensor Network (WSN) is constituted by a set of wireless devices distributed over a certain area, for the purpose of monitoring variables such as temperature, humidity, pressure and others, in places that its implementation is preferred or beneficial compared to typical wired networks. For these WSN can meet the different deployment needs must have certain requirements such as low cost, low latency and low power consumption. routing protocols have a key role in the harmony between the main requirements of WSN, so protocols have been developed for specific needs and, in some cases, subsequently amended to provide better adaptation to different environments. This paper aims to present an analysis of the routing protocols used in WSN, its features and operation, with the intention of creating a document containing the most important information and, in a simple way, to guide future decisions for development future projects in this area.
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Keywords
Redes de sensores sem fios Sensores Protocolos ZigBee