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Mathematical Problems in Engineering
Volume 2015 (2015), Article ID 516081, 7 pages
http://dx.doi.org/10.1155/2015/516081
Research Article

An Accurate Modulation Recognition Method of QPSK Signal

School of Information Science and Engineering, Shenyang Ligong University, Shenyang 110159, China

Received 5 November 2014; Revised 21 April 2015; Accepted 19 May 2015

Academic Editor: Chih-Cheng Hung

Copyright © 2015 Yongxin Feng et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. L. Stanković, I. Djurović, S. Stanković, M. Simeunović, S. Djukanović, and M. Daković, “Instantaneous frequency in time-frequency analysis: enhanced concepts and performance of estimation algorithms,” Digital Signal Processing, vol. 35, pp. 1–13, 2014. View at Publisher · View at Google Scholar
  2. A. I. R. Fontes, A. D. M. Martins, L. F. Q. Silveira, and J. C. Principe, “Performance evaluation of the correntropy coefficient in automatic modulation classification,” Expert Systems with Applications, vol. 42, no. 1, pp. 1–8, 2015. View at Publisher · View at Google Scholar
  3. A. K. Nandi and E. E. Azzouz, Automatic Modulation Recognition of Communication Signals, Kluwer Academic Publishers, Amsterdam, The Netherlands, 1996.
  4. L. Que and Q. Feng, “Study on phase unwrapping threshold of digital signal identification,” Signal Processing, vol. 26, no. 1, pp. 56–59, 2010. View at Google Scholar
  5. H.-D. Liu, H.-X. Zhang, and P.-F. He, “Study on hybrid pattern recognition algorithm for modulated signals,” The Journal of China Universities of Posts and Telecommunications, vol. 21, pp. 106–109, 2014. View at Publisher · View at Google Scholar
  6. E. Kabalci, Y. Kabalci, and I. Develi, “Modelling and analysis of a power line communication system with QPSK modem for renewable smart grids,” International Journal of Electrical Power and Energy Systems, vol. 34, no. 1, pp. 19–28, 2012. View at Publisher · View at Google Scholar · View at Scopus
  7. J. Huang, R. Li, Y. Wang, and C. Wu, “High-sensitivity acquisition algorithm of QPSK-modulate BeiDou B1 signal,” Aeronautical Computing Technique, vol. 42, no. 5, pp. 38–42, 2012. View at Google Scholar
  8. G. Luo, B. Yang, Z. Qiu, and Y. Li, Data Link-Connection of Information System and Weapon System, National Defense Industry, 2010.
  9. J. Chen, H. Liu, and S. Chen, “A method for channel estimation and digital modulation identification based on higher-order cumulants,” Computer System Application, no. 11, pp. 172–175, 2009. View at Google Scholar
  10. S. Cao, Z. Ye, N. Hu, and X. Xu, “DOA estimation based on fourth-order cumulants in the presence of sensor gain-phase errors,” Signal Processing, vol. 93, no. 9, pp. 2581–2585, 2013. View at Publisher · View at Google Scholar · View at Scopus
  11. N. Madhavan, A. P. Vinod, A. S. Madhukumar, and A. K. Krishna, “Spectrum sensing and modulation classification for cognitive radios using cumulants based on fractional lower order statistics,” International Journal of Electronics and Communications, vol. 67, no. 6, pp. 479–490, 2013. View at Publisher · View at Google Scholar · View at Scopus
  12. P. W. J. Van Eetvelt, S. J. Shepherd, and S. K. Barton, “The distribution of peak factor in QPSK multi-carrier modulation,” Wireless Personal Communications, vol. 2, no. 1-2, pp. 87–96, 1995. View at Publisher · View at Google Scholar · View at Scopus
  13. A. E. Sherme, “A novel method for automatic modulation recognition,” Applied Soft Computing, vol. 12, no. 1, pp. 453–461, 2012. View at Publisher · View at Google Scholar · View at Scopus
  14. Y. Li, G.-T. Li, and G.-Q. Yang, “Automatic digital modulation recognition algorithm of communication signals,” Journal of Electronics & Information Technology, vol. 27, no. 2, pp. 197–201, 2005. View at Google Scholar · View at Scopus
  15. H. Fan, Z. Yang, and Z. Cao, “Automatic recognition for common used modulations in satellite communication,” Journal of China Institute of Communications, vol. 25, no. 1, pp. 140–149, 2004. View at Google Scholar