A Cross-Layer Secure Communication Model Based on Discrete Fractional Fourier Fransform (DFRFT)

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Abstract
Discrete fractional Fourier transform (DFRFT) is a generalization of discrete Fourier transform. There are a number of DFRFT proposals, which are useful for various signal processing applications. This paper investigates practical solutions toward the construction of unconditionally secure communication systems based on DFRFT via cross-layer approach. By introducing a distort signal parameter, the sender randomly flip-flops between the distort signal parameter and the general signal parameter to confuse the attacker. The advantages of the legitimate partners are guaranteed. We extend the advantages between legitimate partners via developing novel security codes on top of the proposed cross-layer DFRFT security communication model, aiming to achieve an error-free legitimate channel while preventing the eavesdropper from any useful information. Thus, a cross-layer strong mobile communication secure model is built.
Funding Information
  • National Natural Science Foundation of China (61032003, 61271172, 61372085)
  • Renewable Fuels Development Program (20120185110030, 20130185130002, 20120185110025)
  • Strategy Research Foundation for the Returned Overseas Chinese Scholars and State Education Ministry
  • Innovation Program through the Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China (Y4Z0033102)

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