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Dynamic security encryption method for non-diffraction vortex electromagnetic wave channel characteristics

A technology of vortex electromagnetic waves and channel characteristics, applied in secure communication devices and key distribution, can solve the problems of difficult long-distance fidelity transmission of quantum states and easy annihilation of orbital angular momentum, so as to improve security and ensure safe data transmission Effect

Active Publication Date: 2021-12-17
侯小燕
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a dynamic security encryption method without diffraction vortex electromagnetic wave channel characteristics, in order to improve the ease of transmission of orbital angular momentum in the prior art Annihilation, the problem that quantum states are difficult to transmit over long distances with fidelity

Method used

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  • Dynamic security encryption method for non-diffraction vortex electromagnetic wave channel characteristics
  • Dynamic security encryption method for non-diffraction vortex electromagnetic wave channel characteristics
  • Dynamic security encryption method for non-diffraction vortex electromagnetic wave channel characteristics

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Embodiment

[0043] Some implementations of the present application will be described in detail below in conjunction with the accompanying drawings. In the case of no conflict, each of the following embodiments and each feature in the embodiments can be combined with each other.

[0044] Please see figure 1 , figure 1 It is a flow chart of a dynamic security encryption method for a non-diffraction vortex electromagnetic wave channel characteristic provided by an embodiment of the present invention. A dynamic security encryption architecture without diffraction vortex electromagnetic wave channel characteristics can be constructed, which is composed of the sending end Alice and the legal receiving end Bob. The application model of this method is a three-node eavesdropping model, including a sender (Alice), a legal receiver (Bob) and an eavesdropper (Eve). As we all know, the sending end and the receiving end can be not only terminal nodes, but also similar network devices such as gateway...

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Abstract

The invention provides a dynamic security encryption method for non-diffraction vortex electromagnetic wave channel characteristics, and relates to the field of wireless communication. The method comprises the steps of obtaining to-be-transmitted information of a sending end; establishing a non-diffraction vortex electromagnetic wave channel according to the non-diffraction vortex beams sent by the sending end and a valid receiving end; and encrypting the to-be-transmitted information according to channel characteristics in non-diffraction vortex electromagnetic wave channels. Encryption is realized by superposition of phases and modulated symbol vectors between wireless channels in different non-diffraction vortex electromagnetic wave modes, so that an expected user and an eavesdropper receive incompletely identical key packets in a key negotiation stage, therefore, the eavesdropper cannot obtain the key between normal communication users, and the purpose of ensuring the secure transmission of data is achieved. The non-diffraction vortex electromagnetic waves can be reconstructed after passing through obstacles, and have certain tolerance to channel phase errors, so that the problems of complexity, high difficulty, high leakage risk and the like during communication encryption of wireless equipment can be solved, and the communication safety of communication nodes is effectively improved.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a dynamic security encryption method without diffraction vortex electromagnetic wave channel characteristics. Background technique [0002] In recent years, with the continuous improvement of the data transmission rate supported by wireless communication systems, the scale of wireless users continues to expand, and the security issues of wireless communication have become more and more important. The security of communication has always been an important means to measure the quality of communication, and wireless network communication puts forward higher requirements for security. In addition, in view of the continuous growth of wireless communication capacity, the modulation, multiplexing and demultiplexing mechanisms of radio frequency vortex beams, a new physical parameter dimension of non-diffraction vortex electromagnetic waves (Vortex Beam), are studied from the perspe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/70H04B10/85H04L9/08
CPCH04B10/70H04B10/85H04L9/0861H04L9/0838Y02D30/70
Inventor 段启箭
Owner 侯小燕
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