Análise de desempenho de modulação adaptativa em rede de rádio cognitivo com múltiplo acesso Slotted Aloha

Ana Paula Teles Ribeiro da Silva, José Marcos Câmara Brito

DOI: 10.14209/sbrt.2017.174

Evento: XXXV Simpósio Brasileiro de Telecomunicações e Processamento de Sinais (SBrT2017)

Keywords: Adaptive Modulation Cognitive Radio Optimum Switching Points

Abstract

Cognitive radio technology using adaptive modulation techniques has been widely proposed in the literature as a promising solution to improve the performance of telecommunications networks. A key issue in the adaptive modulation technique is finding the optimum switching points between modulations. In this paper, we considered a cognitive radio network with concurrent spectrum access granted through the Slotted Aloha protocol. We analyzed the optimum switching points in this network are considering two criteria: delay and power metric.

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