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Digital-Signal-Type Identification Using an Efficient Identifier

EURASIP Journal on Advances in Signal Processing volume 2007, Article number: 037690 (2007) Cite this article

Abstract

Automatic digital-signal-type identification plays an important role for various applications. This paper presents a highly efficient identifier (technique) that identifies a variety of digital signal types. In this technique, a selected number of the higher-order moments and the higher-order cumulants up to eighth are utilized as the effective features. A hierarchical support-vector-machine- (SVMs) based structure is proposed for multiclass classification. A genetic algorithm is proposed in order to improve the performance of the identifier. Genetic algorithm selects the suitable parameters of SVMs that are used in the structure of the classifier. Simulation results show that the proposed identifier has high performance for identification of the considered digital signal types even at very low SNRs.

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Authors and Affiliations

  1. Faculty of Electrical and Computer Engineering, Noshirvani Institute of Technology, Mazandauan University, P.O. Box 47148-71167, Babol, Iran

    Ataollah Abrahamzadeh

  2. Faculty of Electrical Engineering, Department of Electrical Engineering, Ferdowsi University of Mashad, P.O. Box 91779-48974, Mashad, Iran

    Seyed Alireza Seyedin

  3. Faculty of Computer Engineering and Information Technology, Amirkabir University of Technology, P.O. Box 15914, Tehran, Iran

    Mehdi Dehghan

Authors
  1. Ataollah Abrahamzadeh
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  2. Seyed Alireza Seyedin
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  3. Mehdi Dehghan
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Correspondence to Ataollah Abrahamzadeh.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://doi.org/creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Abrahamzadeh, A., Seyedin, S.A. & Dehghan, M. Digital-Signal-Type Identification Using an Efficient Identifier. EURASIP J. Adv. Signal Process. 2007, 037690 (2007). https://doi.org/10.1155/2007/37690

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  • DOI: https://doi.org/10.1155/2007/37690

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