基于FFT谱能量检测和互相关检测的快速频谱感知方法及其性能分析

doi:10.12305/j.issn.1001-506X.2021.05.30

Abstract

Abstract:

In order to solve the problem of spectrum resource shortage in UAV Communication, cognitive radio technology is used to realize UAV dynamic sharing of spectrum resources in ground communication. Aiming at the problem of sheltering for the single user spectrum sensing, a double detection method based on single user mobile detection was proposed, which is composed of joint spectrum energy detection and cooperative detection in the scope of primary user space. The analytic representation of the detection probability and false probability is analyzed with random arrival and department of primary user. Simulation results show that the proposed algorithm has better dection performance than other single user detection algorithm in the case of low computation.

Key words: spectrum sensing, single user mobile detection, random arrival, double detection

CLC Number:

TN929.5

Hong CHANG, Xiaoqiang ZHAO, Haijie SHI. Joint FFT spectrum energy and correlation detection based fast spectrum sensing method and performance analysis[J]. Systems Engineering and Electronics, 2021, 43(5): 1406-1412.

Figures/Tables 8

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References 24

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Joint FFT spectrum energy and correlation detection based fast spectrum sensing method and performance analysis

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