期刊文献+

基于扩散机制的分布式宽带压缩频谱感知算法

下载PDF
导出
摘要 针对认知无线电网络共享频谱资源的特征,本文提出一种基于扩散机制的分布式宽带压缩频谱感知方法。该算法包含两个工作阶段。在第一个阶段,每个认知用户对观测信号进行压缩感知和独立重构,产生本地频谱估计;在第二阶段,各个认知用户根据扩散机制协作更新频谱估计信息,实现最优估计。仿真结果表明,该算法与一致性分布式压缩频谱感知方法相比,可以快速增强认知无线电网络频谱感知能力,可应用于动态拓扑结构的认知无线电网络。
作者 何劲财
出处 《电子世界》 2014年第11期200-200,F0003,共2页 Electronics World
  • 相关文献

参考文献2

二级参考文献30

  • 1J. Mitola. Cognitive Radio: An Integrated Agent Architec- ture for Software Defined Radio [ R ]. Stockholm, Sweden: Royal Institute of Technology (KTH), 2000.
  • 2E3 White Paper. Spectrum Sensing [ EB/OL ]. https :// www. ict-e3, eu/project/white_papers/E3_White_Paper_ Sensing. pdf. November 2009.
  • 3D. L. Donoho. Compressed sensing [ J ]. IEEE Transactions on Information Theory,2006,52(4) :1289-1306.
  • 4E. Cand'es, J. Romberg, and T. Tao, Robust uncertainty principles: Exact signal reconstruction from highly incom- plete frequency information[ J ]. IEEE Transactions on In- formation Theory, 2006, 52 (2) : 489-509.
  • 5Z. Tian, G. B. Giannakis. Compressed sensing for wideband cognitive radio [ J ]. IEEE International Conference on Acous- tics, Speech, and Signal Processing, 21X~7,4 : 1357-1360.
  • 6M. Mishali, Y.C. Eldar. Blind Muhiband Signal Recon- struction: Compressed Sensing for Analog Signals [ J ]. IEEE Trans. Signal Process. 2009,57 (3) :993-1009.
  • 7Z. Tian. Compressed Wideband Sensing in Cooperative Cognitive Radio Networks [ EB/OL ]. http ://ieeexplore. ieee. org/xpls/abs_all, jsp? arnumber=4698496. 2008.
  • 8J. N. Laska, S. Kirolos, M. F. Duarte, etc. Theory and implementation of an analog-to-information converter using Random Demodulation[ J]. IEEE Transactions on Circuits and Systems, 2007,42 (3) : 1959-1962.
  • 9E. Candes, T. Tao. Decoding by linear Programming [ J ]. IEEE Transactions on Information Theory, 2005,51 (12) : 4203-4215.
  • 10B. Hem. Robustness of Compressed Sensing in Sensor Net- works[ EB/OL ]. http: Jj human-robot, sysu. edu. cn/pro- ject/compressedsensing/BrettHern _ UndergraduateThesis. pdf. 2008.

共引文献8

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部