Spectrum sensing method and device based on machine learning in noma system
A spectrum sensing and machine learning technology, applied in machine learning, neural learning methods, transmission systems, etc., can solve the problem of low accuracy of spectrum sensing, achieve the effect of reducing mathematical calculations, fewer calculation parameters, and reducing the burden on base stations
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[0053] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.
[0054] The spectrum sensing method based on machine learning in the NOMA system provided by this application can be applied to such as figure 1 In the application environment shown. Among them, M primary users are randomly distributed in the cell of the base station (also called the coverage area) (different primary users transmit power is fixed and different, such as figure 1 PU1 and PU2) and N secondary users (SU), the primary user (PU) accesses the same frequency band using NOMA in the power domain, and the transmit power of each primary user (PU) is fixed. Suppose th...
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