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Stealth data transmission method, device, storage medium and terminal based on distance information estimation

A data transmission method and distance information technology, which can be applied in the direction of transmission modification based on link quality, digital transmission system, adjustment of transmission mode, etc., and can solve the problem of lack of theoretical basis for parameters

Active Publication Date: 2021-09-14
SHENZHEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the existing literature, the parameter setting of the physical layer information hiding system ignores the discussion of different scene conditions, and there is a lack of theoretical basis for parameter setting, which has a certain degree of blindness

Method used

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  • Stealth data transmission method, device, storage medium and terminal based on distance information estimation
  • Stealth data transmission method, device, storage medium and terminal based on distance information estimation
  • Stealth data transmission method, device, storage medium and terminal based on distance information estimation

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Embodiment Construction

[0046] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of this application.

[0047] The terms "first", "second", "third", etc. (if any) in the description and claims of the present application and the above drawings are used to distinguish similar objects and not necessarily to describe a specific order or sequentially. It should be understood that the items so described are interchangeable under appropriate circumstances. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion. ...

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Abstract

The embodiment of the present application provides a physical layer information hiding method, device, and terminal based on distance information estimation, which are used for signal transmission in a communication system monitored by a monitored end. The communication system includes a signal transmitting end and a signal receiving end. The method includes the following steps: obtaining distance value information between the monitoring terminal and the signal transmitting terminal; obtaining the average signal-to-noise ratio γ of the monitoring terminal according to the distance value information e ; According to the average signal-to-noise ratio γ e Obtain optimal embedding rate Rs, wherein Rs=LR / L, this L is the length of each carrier signal, and LR is the length of the secret signal embedded in each carrier signal; according to the optimal embedding rate Rs in the carrier signal Upload a secret signal of corresponding length for transmission.

Description

technical field [0001] The present application relates to the field of communication technology, and in particular to a method, device, storage medium and terminal for concealed data transmission based on distance information estimation. Background technique [0002] With the development of information society, information plays a pivotal role in modern society, but the hidden dangers of information security that appear along with it make information security research imminent. Information hiding technology is an important research branch in the field of information security research. It relies on cryptography, signal and image processing, computer science and other related disciplines, and has achieved rapid development in recent years. Information hiding technology mainly studies how to hide secret information on a public carrier signal and send it to the target receiver without arousing the suspicion of the listener, so as to realize the safe exchange of secret informatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W12/02H04W12/03H04W12/041H04W12/63H04L1/00H04W12/033
CPCH04L1/0006H04W12/02H04W12/04
Inventor 谢宁邹秋雯
Owner SHENZHEN UNIV
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