基于拟合优度的频谱感知技术研究

doi:10.11959/j.issn.1000-0801.2016136

Abstract

Abstract:

Cognitive radio technology has achieved the dynamic allocation of spectrum resources,and improves the utilization rate of spectrum resources.Accurate and efficient spectrum sensing is the key step in cognitive radio.Developing a fast and high-performance spectrum sensing method has become an urgent problem to be solved.In recent years,goodness of fit（GOF）theory has been applied widely in the field of spectrum sensing and the effective spectrum sensing technology under small sample point has been implemented.Therefore,the research on spectrum sensing technology based on GOF has very significant value.The development process of GOF in areas of cognitive radio spectrum sensing was summarized,its basic principle common fitting criterion and fitting object were introduced.The simulation comparison of the algorithm was carried under the Gaussian channel and its prospects of further research was forecasted finally.

Key words: cognitive radio, spectrum sensing, goodness of fit test, fitting criterion, fitting object

Guangyue LU,Cai XU,Yinghui YE,Yin MI. Research on spectrum sensing technologies based on goodness of fit[J]. Telecommunications Science, 2016, 32(5): 52-61.

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References 38

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