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- W2950712257 abstract "Limitations of using the radio spectrum have risen because of the increasing demand for wireless communication services. However, as a large portion of the Primary User's (PU) spectrum is not effectively utilized because of assignment a fixed spectrum; the Cognitive Radio (CR) approach is considered as a solution, which enables the best access to the available spectrum. Spectrum sensing detects the temporarily unused frequency bands across the PU radio spectrum. In this paper, a novel approach for improving the spectrum sensing in the cognitive radio network is proposed for a network consists of a Primary User (PU), Secondary Users (SUs), and single Fusion Center (FC). The proposed approach is achieved by forming a centralized cooperation sensing among cognitive radio users in the noisy environment. All SUs use the energy detection as a sensing technique, and then the result will be sent to FC to make a decision about the presence of the PU using the Maximum A Posterior (MAP) decoder technique. Simulation results of the proposed MAP-based scheme have shown significant improvement over other known techniques in the detection probability of the presence of PU." @default.
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- W2950712257 date "2019-04-01" @default.
- W2950712257 modified "2023-10-15" @default.
- W2950712257 title "Cooperative Sensing Using Maximum A Posteriori as a Detection Technique in Cognitive Radio Network" @default.
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- W2950712257 doi "https://doi.org/10.1109/nrsc.2019.8734544" @default.
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