Spectrum sensing method and device based on time-domain energy and frequency-domain spectral entropy
A spectrum sensing and time-domain energy technology, applied in the field of spectrum sensing methods and devices, can solve the problems of large data processing volume and high hardware complexity
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[0060] A spectrum sensing method based on time domain energy and frequency domain spectral entropy, such as figure 1 As shown, including the following steps:
[0061] (1) First establish a frequency band pool memory, namely memory 0. Each storage unit in memory 0 stores a frequency control word that controls the radio frequency front end to work in a certain frequency band. The frequency control word corresponds to the center frequency of the radio frequency front end working frequency band. The memory 0 outputs the first frequency control word to the radio frequency front end to control the radio frequency front end to work in the frequency band corresponding to the first frequency control word. After that, the RF front-end works in this frequency band.
[0062] (2) The RF front-end outputs signals to the A / D conversion module, and the A / D conversion module sends its output digital signal to the energy detection module. The A / D conversion module used to realize the digital conve...
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