Cooperative Spectrum Sensing Algorithm of FLOM Based on Myraid Filter
In order to improve detection probability of spectrum sensing based on fractional lower order moment (FLOM) under impulse noise,an improved algorithm is proposed in this paper.The Myraid filter can effectively suppress the impulse noise,so the received signal with impulse noise is processed by Myraid filter,and then the fractional low order moment value of the filtered signal is calculated and taken as test statistic for FLOM.Simulation analysis the impact of different generalized SNR,characteristic index alpha and collaborative users to the sensing performance.Computer simulations show that the performance of improved FLOM method under impulse noise is superior to the ED and FLOM.Moreover,the improved method has better applicability with different modulation signals.
Spectrum sensing Alpha-stable noise Myraid filter FLOM
GUO Chao ZHANG Zheng-bao XU Xin
Department of Information Engineering Ordnance Engineering College Shijiazhuang 050003, China
国际会议
哈尔滨
英文
675-680
2016-07-21(万方平台首次上网日期,不代表论文的发表时间)