Abstract
Spectrum sensing plays an important role in cognitive radio. In this paper, a robust spectrum sensing method via empirical characteristic function based on goodness-of-fit testing is proposed, named as ECF detector. The test statistic is derived from the empirical characteristic function of the observed samples, thus the secondary users do not require any prior knowledge of the primary signal and the noise distribution. Extensive simulations are performed and compared with the existing spectrum sensing methods, such as energy detector, eigenvalue-based detector, AD detector and KS detector. The results show that, the proposed ECF detector can offer superior detection performance under both the Gaussian noise and the impulsive noise environments.
This research was supported by the Natural Science Foundation of China under Grant No.61762011, Guangxi Natural Science Foundation under Grant No.2016GXNSFAA380091, Guangxi One Thousand Young and Middle-Aged College and University Backbone Teachers Cultivation Program.
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© 2019 ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
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Luo, L. (2019). Robust Spectrum Sensing for Cognitive Radio with Impulsive Noise. In: Liu, X., Cheng, D., Jinfeng, L. (eds) Communications and Networking. ChinaCom 2018. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 262. Springer, Cham. https://doi.org/10.1007/978-3-030-06161-6_42
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