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- W2167593193 abstract "In cognitive radio systems, cooperative spectrum sensing can detect the presence of the primary user accurately. However, with the increasing number of cooperative users, a larger dedicated control channel bandwidth is needed to transmit the local binary decisions of SUs to the fusion center. To further improve the sensing performance of cooperative spectrum sensing under bandwidth-limited constraints, we propose a new cooperative spectrum sensing. More specifically, only the secondary users with reliable information are allowed to send their local binary decisions to the fusion center while the others will send nothing. The sensing performance of the proposed method is studied and the analytical performance results are given. Our analysis and numerical results verify that the sensing performance is improved significantly compared to conventional cooperative spectrum sensing." @default.
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- W2167593193 date "2010-06-28" @default.
- W2167593193 modified "2023-09-26" @default.
- W2167593193 title "Improved cooperative spectrum sensing for cognitive radio under bandwidth constraints" @default.
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- W2167593193 doi "https://doi.org/10.1145/1815396.1815590" @default.
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