高级搜索

留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

基于高阶循环累积量的SQAM信号调制识别算法

冯祥 李建东

冯祥, 李建东. 基于高阶循环累积量的SQAM信号调制识别算法[J]. 电子与信息学报, 2007, 29(1): 125-128. doi: 10.3724/SP.J.1146.2005.00602
引用本文: 冯祥, 李建东. 基于高阶循环累积量的SQAM信号调制识别算法[J]. 电子与信息学报, 2007, 29(1): 125-128. doi: 10.3724/SP.J.1146.2005.00602
Feng Xiang, Li Jian-dong . Robust Modulation Classification Algorithm Based on Higher-Order Cyclic Cumulants for SQAM Signals with Frequency Offset[J]. Journal of Electronics and Information Technology, 2007, 29(1): 125-128. doi: 10.3724/SP.J.1146.2005.00602
Citation: Feng Xiang, Li Jian-dong . Robust Modulation Classification Algorithm Based on Higher-Order Cyclic Cumulants for SQAM Signals with Frequency Offset[J]. Journal of Electronics and Information Technology, 2007, 29(1): 125-128. doi: 10.3724/SP.J.1146.2005.00602

基于高阶循环累积量的SQAM信号调制识别算法

doi: 10.3724/SP.J.1146.2005.00602
基金项目: 

国家自然科学基金和微软亚洲研究院联合资助项目(60372048),国家自然科学基金重大项目(60496316),高等学校优秀青年教师教学科研奖励计划,教育部科学技术研究重点项目(104171)和国家863 计划重大课题(2005AA123910)资助课题

Robust Modulation Classification Algorithm Based on Higher-Order Cyclic Cumulants for SQAM Signals with Frequency Offset

  • 摘要: 该文利用通信信号的循环平稳特性,在循环累积量域内构造信号分类特征,提出了一种基于高阶循环累积量的调制识别算法,实现对SQAM信号分类。算法对载波频率偏差、时延和相位旋转具有稳健性,并可在多信号环境且存在载波频偏的情况下实现对感兴趣信号的识别。理论分析和仿真结果均证明了算法的正确性和有效性。
  • [1] Swami A and Sadler B M. Hierarchical digital modulation classification using cumulants [J].IEEE Trans. on Communications.2000, 48(3):416-429 [2] Marchard P, Lacoume J L, and Martret C. Classification of linear modulations by a combination of different orders cyclic cumulants [C]. in Proc. Workshop on HOS, Banff, Canada, 1997: 47-51. [3] Spooner C M. On the utility of sixth-order cyclic cumulants for RF signal classification [C]. in Proc. of the 34th Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, USA, 2001: 890-897. [4] Spooner C M. Classification of cochannel communication signal using cyclic cumulants [C]. in Proc. of the 29th Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, USA, 1995: 531-536. [5] Dobre O A, Bar-Ness Y, and Su W. Higher-order cyclic cumulants for high order modulation classification [C]. in Proc. IEEE MILCOM, Boston, USA, 2003: 112-117. [6] Dobre O A, Bar-Ness Y, and Su W. Robust QAM modulation classification algorithm using cyclic cumulants [C]. in Proc. IEEE WCNC, Atlanta, USA, 2004: 745-748. [7] 陈卫东. 基于循环累量不变量的MPSK信号调制识别算法[J].电子与信息学报.2003, 25(3):320-325浏览 [8] 韩钢. 自适应单载波、多载波调制中信号盲检测技术研究 [D]. [博士论文], 西安: 西安电子科技大学, 2003. Han Gang. Research on blind signal detection techniques in adaptive single- and multi-carrier modulation [D]. [Ph.D. Dissertation], Xidian University, 2003. [9] Gardner W A and Spooner C M. The cumulant theory of cyclostationary time-series, Part I: Foundation [J].IEEE Trans. on Signal Processing.1994, 42(12):3387-3408 [10] Spooner C M and Gardner W A. The cumulant theory of cyclostationary time-series, Part II: Development and Applications [J].IEEE Trans. on Signal Processing.1994, 42(12):3409-3429 [11] Dandawate V and Giannakis G B. Asymptotic theory of mixed time averages and kth-order cyclic-moment and cumulant statistics [J].IEEE Trans. on Information Theory.1995, 41(1):216-232 [12] 张贤达, 保铮. 非平稳信号分析与处理[M]. 北京: 国防工业出版社, 1998: 355-358.
  • 加载中
计量
  • 文章访问数:  3206
  • HTML全文浏览量:  25
  • PDF下载量:  1351
  • 被引次数: 0
出版历程
  • 收稿日期:  2005-05-30
  • 修回日期:  2005-10-15
  • 刊出日期:  2007-01-19

目录

    /

    返回文章
    返回

    官方微信,欢迎关注