Method and device for improving D2D communication security, and computer readable storage medium

Abstract

The invention relates to the field of wireless communication, and provides a method and device for improving D2D communication security, and a computer readable storage medium, so as to enhance the security of a D2D communication system with low cost and high efficiency. The method comprises the following steps: determining a signal-to-interference-and-noise ratio [gamma]b of CU equipment, a signal-to-interference-and-noise ratio [gamma]d of a D2D link and a signal-to-interference-and-noise ratio [gamma]e of illegal user equipment EVE according to the transmitting power of cellular user CU equipment, the transmitting power of a D2D pair transmitting end DTX and channels among the CU equipment, the DTX, a D2D pair receiving end DRX, a base station BS, an intelligent reflection surface IRS and the EVE; calculating the safety rate Cb of the CU equipment according to the signal to interference plus noise ratio [gamma]b of the CU equipment and the signal to interference plus noise ratio [gamma]e of the EVE; and maximizing the safety rate Cb of the CU equipment by taking the minimum value of the signal to interference and noise ratio [gamma]d of the D2D link, the maximum value of the transmitting power of the DTX and the maximum value of the transmitting power of the CU when the CU equipment, the DTX, the DRX, the BS and the IRS communicate as constraint conditions. According to the technical scheme provided by the invention, the advantage of combining D2D communication and IRS is exerted, and the communication security of the CU equipment is effectively improved.

Description

technical field [0001] The present invention relates to the field of wireless communication, and in particular to a method, device, device and computer-readable storage medium for enhancing D2D communication security. Background technique [0002] With the increasingly prominent security issues in wireless communication systems, the requirements for the security performance of the system are gradually increasing. As a key wireless technology, Device-to-Device (D2D) allows a user to communicate with neighboring users who reuse the spectrum resources of Cellular Users (CUs). Although the spectral efficiency of the D2D network has been effectively improved, however, D2D communication security also faces some challenges, for example, illegal users eavesdropping on CU information. For the above problems, the existing solution is to interfere with illegal users by introducing artificial noise or cooperative interference. However, this method will cause some additional overhead, a...

AI Technical Summary

Problems solved by technology

Although the spectral efficiency of the D2D network has been effectively improved, however, D2D communication security also faces some challenges, for example, illegal users eavesdropping on CU information

To address the above problems, the existing solution is to interfere with illegal users by introducing artificial noise or cooperative interference. However, this method will cause some additional overhead, and there is a large distance between the efficiency and the actual application requirements.

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