Wireless Personal Communications

, Volume 109, Issue 4, pp 2439–2450 | Cite as

Design and Analysis of a Wavelet Packet Modulation Based Differential Chaos Shift Keying Communication System

  • Fadhil S. HasanEmail author
  • Mohammed Joudah Zaiter
  • Rawa Abed Mohammed


In this paper, a new multicarrier based DCSK system that is combined a wavelet packet modulation (WPM) with differential chaos shift keying (DCSK) and named WPM–DCSK is proposed. WPM–DCSK system is an extension of orthogonal frequency division multiplexing OFDM–DCSK system that aims to replace the fast Fourier transform in OFDM system with wavelet packet transform and improves the spectral efficiency by removing the cyclic prefix and reduced the complexity by using real operation instead of complex operation. WPM–DCSK system has all the benefit of OFDM–DCSK and furthermore improves the limitations and drawbacks of it. The data rate improvement, the energy saving improvement and data-energy- to-bit-energy-ratio factors are derived and compared with DCSK and OFDM–DCSK systems. The validity of the derived analytic expression of the bit error rate of the proposed system is confirmed by the simulation under an additive white Gaussian noise channel.


Differential chaos shift keying Wavelet packet modulation DCSK Non-coherent chaos communication High data rate 



The authors wish to express their sincere gratitude to the department of computer engineering in the electrical engineering technical college, Baghdad, Iraq, which supported this work.


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Electrical Engineering Department, Faculty of EngineeringMustansiriyah UniversityBaghdadIraq
  2. 2.Electrical Engineering Technical CollegeMiddle Technical UniversityBaghdadIraq

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