Codificação em Rede (Network Coding) em Redes de Salto de Canal Sincronizado com o Tempo (TSCH)

  • Marlon da Cruz Carvalho UFMG
  • Luiz F. M. Vieira UFMG
  • Marcos A. M. Vieira UFMG

Resumo


Este artigo apresenta o protocolo CodeTSCH, que utiliza a Codificação em Rede (Network Coding) em redes TSCH (Time-Slotted Channel Hoping) para otimizar a entrega de mensagens e diminuir o número de slots utilizados. Esse processo possibilita que duas mensagens sejam combinadas em apenas um pacote, possibilitando uma menor quantidade de mensagens circulando na rede, bem como uma maior robustez à perda de mensagens. Comparou-se o CodeTSCH em simulações com o protocolo estado da arte TSCH. Os resultados demonstram que o CodeTSCH permite uma entrega das mensagens com melhoria de até 50% em comparação com o protocolo estado da arte TSCH em redes com perdas de pacotes.

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Publicado
23/05/2022
CARVALHO, Marlon da Cruz; VIEIRA, Luiz F. M.; VIEIRA, Marcos A. M.. Codificação em Rede (Network Coding) em Redes de Salto de Canal Sincronizado com o Tempo (TSCH). In: SIMPÓSIO BRASILEIRO DE REDES DE COMPUTADORES E SISTEMAS DISTRIBUÍDOS (SBRC), 40. , 2022, Fortaleza. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2022 . p. 294-307. ISSN 2177-9384. DOI: https://doi.org/10.5753/sbrc.2022.222310.

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