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A camouflaged concealed wireless networking communication method based on the call of the dark green white-eye bird

A communication method and wireless networking technology, which is applied in the field of wireless networking communication, can solve the problems of insufficient concealment of acoustic wave communication technology, and radio communication is easily interfered with concealment and deficiency, so as to reduce the distribution range, reduce the amount of calculation, and communicate good distance effect

Active Publication Date: 2021-08-27
TIANJIN UNIV
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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 overcome the shortcoming that radio communication is easily interfered and the concealment is insufficient, as well as the shortcomings of the existing acoustic wave communication technology that the concealment is insufficient

Method used

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  • A camouflaged concealed wireless networking communication method based on the call of the dark green white-eye bird
  • A camouflaged concealed wireless networking communication method based on the call of the dark green white-eye bird
  • A camouflaged concealed wireless networking communication method based on the call of the dark green white-eye bird

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Embodiment Construction

[0034] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0035] The time-frequency diagram of the dark green white-eye bird call used in the present embodiment is as follows Figure 1a As shown, it is composed of multiple call pulse sequences 1, the time interval between each call pulse sequence 1 is 1-3s, and each call pulse sequence is composed of multiple call pulses 2 of different lengths, The time-frequency diagram of one of the call pulse sequences is as follows Figure 1bshown. Through the statistical analysis of the call pulse of the dark green white-eye bird, it is found that the frequency range of the call pulse is 2kHz-9kHz, and the pulse width of the call pulse is distributed in the range of 20ms-300ms, and the difference betwe...

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Abstract

The invention discloses a camouflage concealed wireless networking communication method based on the call of a dark green white-eye bird, which is applied to a communication system and includes the following steps: (1) collecting the call of a dark green white-eye bird and extracting call pulses therein Form the pulse library; (2) Determine the information code, address code and password table; (3) After receiving the communication instruction and communication information, first insert the address code of the communication receiver, and then insert the address code of the communication sender; (4) Determine the information code corresponding to each byte of communication information in order according to the password table, and insert the information code in order; (5) spread the final encoded communication information through the speaker; (6) after the receiver receives the communication information Extract the communication frame and communication pulse, and decode the communication pulse one by one; (7) determine its grouping through the time-frequency characteristics of the measured pulse; (8) determine the serial number of the measured pulse through the correlation function; (9) view The password table determines the communication information corresponding to each pulse.

Description

technical field [0001] The present invention belongs to the field of wireless network communication, especially a wireless network communication method in some scenarios that require extremely high communication concealment. It is a method to hide in it and carry out camouflaged concealed wireless networking communication. Background technique [0002] In various fields such as industrial production, daily life and military affairs, wireless communication has played a pivotal role, especially the networking communication between different members or devices in a system is essential. At present, the commonly used wireless communication methods generally use electromagnetic waves as the radio communication carrier, but this wireless communication method has some insurmountable shortcomings, such as: (1) There are mature electromagnetic wave interference and monitoring technologies, so radio communication is extremely difficult. Vulnerable to interference and easy to be monito...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B11/00H04W12/02
CPCH04B11/00H04W12/02H04W12/03
Inventor 蒋佳佳徐俊宇段发阶傅骁王宪全李春月孙中波
Owner TIANJIN UNIV
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