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- W2075031252 abstract "In this paper, a dynamic sampling rate adjustment scheme is proposed for compressive spectrum sensing in cognitive radio network. Nowadays, compressive sensing (CS) has been proposed with a revolutionary idea to sense the sparse spectrum by using a lower sampling rate. However, many methods for compressive spectrum sensing assume that the sparse level is static and a fixed compressive sampling rate is applied over time. To adapt to time-varying sparse levels and adjust the sampling rate, we proposed to model sparse levels as a dynamic system and treat the dynamic rate selection as a tracking problem. By introducing the Sequential Monte Carlo (SMC) algorithm into a distributed compressive spectrum sensing framework, we could not only track the optimal sampling rate but determine the unoccupied channels accurately in a unified method." @default.
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- W2075031252 date "2012-04-01" @default.
- W2075031252 modified "2023-10-15" @default.
- W2075031252 title "Dynamic Sampling Rate Adjustment for Compressive Spectrum Sensing over Cognitive Radio Network" @default.
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- W2075031252 doi "https://doi.org/10.1109/wcl.2012.010912.110136" @default.
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