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Covert communication integrates into wavelet packet transform OFDM system over Rayleigh fading channel

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Abstract

Information security and privacy are crucial in a modern-day communication system. Extensively used cryptography based security in communication prevent unauthorized decoding, but it does not ensure the concealment of information. However, covert communication provides secure transmission of secret information over the unsecured channel. This paper proposes the covert communication integrate into wavelet packet transform Orthogonal Frequency Division Multiplexing (OFDM) system. Bit Error Rate and Quality assessment of covert communication in conventional OFDM and proposed covert communication are evaluated. Also, the comparative performance evaluation of proposed covert communication under divergent digital modulation levels is presented. Experimental results reveal a significant improvement in BER for a given SNR with the proposed covert communication system.

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Authors and Affiliations

  1. I.K.G Punjab Technical University, Kapurthala, India

    Sanjeev Kumar

  2. Beant College of Engineering and Technology, Gurdaspur, Punjab, India

    Amarpal Singh

  3. DAV Institute of Engineering and Technology, Jalandhar, Punjab, India

    Manoj Kumar

Authors
  1. Sanjeev Kumar
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  2. Amarpal Singh
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  3. Manoj Kumar
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Correspondence to Sanjeev Kumar.

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Kumar, S., Singh, A. & Kumar, M. Covert communication integrates into wavelet packet transform OFDM system over Rayleigh fading channel. Wireless Netw 26, 81–89 (2020). https://doi.org/10.1007/s11276-018-1775-3

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  • DOI: https://doi.org/10.1007/s11276-018-1775-3

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