A Perceptual Information Fusion Method Based on Energy Detection
A technology for sensing information and energy detection, applied in the field of communication, can solve problems such as high error probability of missed detection, high false alarm error probability, and low false alarm error probability
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[0052] The technical solution of the present invention will be described in detail below in combination with the embodiments and the accompanying drawings.
[0053] In order to verify the performance of the sensory information fusion mechanism based on energy detection, the present invention compares the performance with the traditional AND, OR and K-out-of-N rules in the wireless channel environment including path loss, shadow and small-scale fading.
[0054] Perceptual information fusion mechanism based on AND and OR rules:
[0055] In the sensing fusion based on the AND rule, only when the local sensing scanning results of all cognitive nodes participating in cooperative sensing show that a certain authorized channel is busy, the fusion result is that the authorized channel is occupied; as long as there is a local cognitive node The result of perceptual scanning is that the channel is not occupied, and the fusion result is that the channel is not occupied. Then the detecti...
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