Fuzzy-based spectrum handoff in cognitive radio networks crowncom
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Projecte de la Comissió EuropeaNEWCOM++ - NEtwork of Excellence in Wireless COMmunications++ (NEWCOM++) (EC-FP7-216715)
This paper focuses on spectrum handoffs in a cognitive radio network where secondary (unlisenced) users (i.e. cognitive radios) opportunistically use frequency channels as long as the aggregate interference caused at the primary (licensed) users does not exceed a certain threshold. When harmful interference is caused to a primary user, or when the quality of service perceived by a secondary user is not satisfactory, the secondary user has to initiate a spectrum handoff to quickly vacate the channel it is occupying. The proposal in this paper is a fuzzy-based approach able to make effective spectrum handoff decisions in a context characterized by uncertain, incomplete and heterogeneous information.
CitacióGiupponi, L.; Pérez, A. Fuzzy-based spectrum handoff in cognitive radio networks crowncom. A: The Third International Conference on Cognitive Radio Orientes Wireless Networks and Communications. "The Third International Conference on Cognitive Radio Orientes Wireless Networks and Communications". Singapur: 2008, p. 1-6.