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- W2808449093 abstract "Dynamic Spectrum Access (DSA) / Cognitive Radio (CR) systems utilize spectrum sensing to monitor spectrum status and decide transmission time in an opportunistic manner. This results in an increase in wireless spectrum efficiency. Spectrum sensing can also be used to monitor the statistics of primary users to gain information on occupation patterns and estimate the statistics of the primary traffic activity, a useful knowledge that can be exploited in many ways. In this research, three novel algorithms are proposed to enhance the estimation of primary user activity statistics under imperfect spectrum sensing given the knowledge of minimum transmission time. Simulation results show that the proposed methods enable accurate estimation for the primary user statistics. Moreover, the proposed methods are compared to previously proposed methods and it is shown they provide a significantly better estimation accuracy." @default.
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- W2808449093 date "2018-04-01" @default.
- W2808449093 modified "2023-09-23" @default.
- W2808449093 title "Improving primary statistics prediction under imperfect spectrum sensing" @default.
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- W2808449093 doi "https://doi.org/10.1109/wcnc.2018.8377259" @default.
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