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Wireless communication based on chirp signals for LoRa IoT Devices

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Resumo:This paper presents the study of chirp signals for wireless communications between Internet of Thing devices used on low power wide area networks. Up and down chirp concept is introduced as well as the chirp spread spectrum concept. A computationally efficient symbol decoding method is presented based of discrete Fourier transform as an alternative to typical coherent detection. The proposed LoRa simulation model is implemented in MATLAB allowing the communication system evaluation based on bit error rate and packet error rate.
Autores principais:Fialho, Vitor
Outros Autores:Azevedo, Fernando
Assunto:Chirp signal Spread-spectrum Spreading factor Signal to noise ratio Relação sinal-ruído
Ano:2018
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Instituto Politécnico de Lisboa
Idioma:inglês
Origem:Repositório Científico do Instituto Politécnico de Lisboa

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