Algorithm for modulation recognition based on high-order cumulants and subspace decomposition

被引：0
|
作者：
Li, Peng [1 ]
Wang, Fuping [1 ]
Wang, Zanji [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
2006 8TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING, VOLS 1-4 | 2006年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new algorithm of modulation classification for digital signal is presented. This method combines high-order cumulants with subspace decomposition. Specifically, first the modulated signal h, characterized by different order cumulant vectors, then with linear transformation, the cumulant vectors are changed into a group of orthogonal bases of subspace. Finally, using the projection of different signal on subspace, we classify the distinct signal types. This method not only reduces the correlation among different-order cumulant vectors but also overcomes the shortage of single cumulant. Theoretical analysis and computer simulation justify the robusticity and the efficiency of the new classification algorithm.
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页码：2006 / +
页数：2
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