Cyclostatilonarilty-Based Test for Detection of Vacant Frequency Bands

Mohamed Ghozzi, F. Marx, M. Dohler, J. Palicot
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引用次数: 130

Abstract

The problem addressed in this paper is the test for presence of any telecommunication signal within a given frequency band, which is of great importance for cognitive radios. Since a telecommunication signal is well modeled as cyclostationary, we transform this problem to the one of testing for presence of the cylostationary property over a range of cyclic frequencies and we propose a constant false alarm rate (CFAR) multicycle detector based on a chi-squared (x2) statistical test of the time varying covariance estimate
基于循环平稳性的空频段检测方法
本文讨论的问题是对给定频带内存在的任何电信信号的测试,这对认知无线电非常重要。由于电信信号被很好地建模为周期平稳,我们将这个问题转化为在周期频率范围内是否存在周期平稳特性的测试问题,我们提出了一个基于时变协方差估计的卡方(x2)统计检验的恒定虚警率(CFAR)多周期检测器
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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