Em Busca de um Algoritmo de Retransmissão em Redes LoRaWAN

  • Thiago Vinney Oliveira Almeida UTFPR
  • João Pedro Pastório UTFPR
  • Álvaro R. C. Souza UTFPR
  • Fabio A. Spanhol UTFPR
  • Edson T. de Camargo UTFPR

Abstract


The LoRaWAN wireless and long-distance communication network has been widely adopted to provide connectivity to objects located both in urban centers and in more remote locations. However, the LoRaWAN standard does not present an algorithm to retransmit lost packets, despite having flags that allow an object to request the server to confirm the receipt of packets. This work proposes an algorithm named CR-LoRaWAN to manage packet retransmission in LoRaWAN networks. Considering a moving object tracking scenario, the proposed algorithm was evaluated in simulation models as well as implementation in a tracking device. The results show the efficiency of the proposed algorithm when comparing it to a strategy where there is no confirmation.

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Published
2021-08-16
ALMEIDA, Thiago Vinney Oliveira; PASTÓRIO, João Pedro; SOUZA, Álvaro R. C.; SPANHOL, Fabio A.; CAMARGO, Edson T. de. Em Busca de um Algoritmo de Retransmissão em Redes LoRaWAN. In: URBAN COMPUTING WORKSHOP (COURB), 5. , 2021, Uberlândia. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2021 . p. 70-83. ISSN 2595-2706. DOI: https://doi.org/10.5753/courb.2021.17105.