Improving security of wireless telecommunication networks based on covert communication in presence of a controlled noise using multiple beamforming

Document Type : Original Article

Authors

1 Assistant Professor, Amol Specialized University of New Technologies, Amol, Iran

2 Master's degree, New Technologies Engineering Faculty, Amol University of New Technologies, Amol, Iran

3 Professor, Tarbiat Modares University, Tehran, Iran

4 Assistant Professor, Torbet Heydarieh University, Torbet Heydarieh, Iran

Abstract

In Wireless Telecommunication, maintaining the security and the transmitted bit rate are very important. However, in conventional networks,  covert communication is often  the transmitted bit rate very limited. This may be for maintaining the security in covert communication in the sense that the data signal must be covert inside the base noise. In this article, we present different plans to maintaining the security and increase the transmitted bit rate in covert communication. The basis of the proposed method is transmitting controlled noise signal to increase the probability of detection error in the eavesdropper and increase the covert rate in the legal receiver to send the main message to the legal receiver. In the proposed method, also, the beam forming technique is presented and applied to increase the covert rate and reduce the interference in the receiver. To evaluate this scheme, an optimization problem is formulated. Various simulations and numerical results proves the efficiency of our proposal in its ability to increase security in telecommunications networks based on covert communication via controlled noise.

Keywords

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Electronic and Cyber Defense
Volume 10, Issue 1 - Serial Number 37
Serial No. 37, Spring Quarterly
May 2022
Pages 11-19

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History

  • Receive Date: 16 March 2021
  • Revise Date: 18 February 2022
  • Accept Date: 12 January 2022
  • Publish Date: 22 May 2022

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