Method and system for monitoring information circulation state of non-implanted wireless ad hoc network
A wireless ad hoc network, non-implantable technology, applied in the field of monitoring the information flow state of the non-implantable wireless ad hoc network, can solve problems such as limited applicability
Active Publication Date: 2021-03-26
NAT UNIV OF DEFENSE TECH
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Problems solved by technology
In addition to security risks and privacy protection, since wireless networks often use encryption mechanisms to ensure data transmission security, the applicability of this method is also quite limited
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[0064] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0065] The wireless ad hoc network node and the node communication connection relationship are as follows: figure 2 As shown, two nodes connected by two-way arrows are adjacent nodes to each other because their respective positions are within the communication transmission range of the other party. For example, the adjacent nodes of node 1 include nodes 2 and 3, and the adjacent nodes of node 3 include nodes 1, 2, 4, and 5. Place a wireless monitoring point near the node, and complete signal demodulation, decoding, framing and data frame extraction through the wireless monitoring point, and obtain the timing record of the node sending data within a period of time. For example, a wireless monitoring point is placed near nodes 3 and 4, and after signal demodulation, decoding, framing and data frame extraction, the timing records...
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The invention provides a method for monitoring the information flow state of a non-implanted wireless ad hoc network. The method comprises the following steps: obtaining a first data sending time sequence of a wireless monitoring node and a second data sending time sequence corresponding to an adjacent wireless monitoring node within the same time; performing maximum matching processing on the first data sending time sequence and the second data sending time sequence; calculating the maximum flow rate; respectively sampling the first data sending time sequence and the second data sending timesequence; performing maximum matching processing on the first data sending time sequence and the second data sending time sequence after sampling processing; calculating an independent flow rate; andcomparing the maximum flow rate with the independent flow rate. The invention further provides a system for monitoring the information circulation state of the non-implanted wireless ad hoc network. According to the invention, the monitoring of the information circulation state of the non-implanted wireless ad hoc network is realized.
Description
technical field [0001] The invention belongs to the technical field of network security, and in particular relates to a method and system for monitoring information flow status of a non-implanted wireless ad hoc network. Background technique [0002] Based on the characteristics of fast and flexible networking, low construction cost, low maintenance overhead, environmental adaptability and structural robustness, wireless ad hoc networks can be widely used in battlefield deployment, temporary meetings, field expeditions, mine operations and post-disaster rescue And other communication environments with special needs. However, due to the openness of wireless channels and loopholes in wireless links and authentication mechanisms, the security risk of wireless ad hoc networks being attacked and penetrated is increasing day by day. We urgently need a method of monitoring the information flow status of the wireless ad hoc network when it is running, so as to detect abnormal traff...
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IPC IPC(8): H04W12/121H04W84/18
CPCH04W84/18
Inventor 马涛黄郡李强刘俊沈培佳王怀习常超杨星
Owner NAT UNIV OF DEFENSE TECH