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WLAN (wireless local area network) access point and user terminal information acquisition, correlation and statistical analysis method

A wireless local area network, user terminal technology, applied in wireless communication, access restriction, electrical components, etc., can solve the problems of the method of not mentioning login information, high complexity, time-consuming, etc., to achieve low cost and processing delay. Low, simple method effect

Active Publication Date: 2014-10-29
CHONGQING UNIV
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Problems solved by technology

This method is time-consuming and complex, and does not mention the method of obtaining login information of other user terminals

Method used

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  • WLAN (wireless local area network) access point and user terminal information acquisition, correlation and statistical analysis method
  • WLAN (wireless local area network) access point and user terminal information acquisition, correlation and statistical analysis method
  • WLAN (wireless local area network) access point and user terminal information acquisition, correlation and statistical analysis method

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Embodiment Construction

[0045] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0046] First of all, the present invention provides a method for obtaining information about APs and user terminals accessing APs in a WLAN, and associating information about user terminals with information about APs that the terminals access. This method has different CAPWAP modes. different implementations. see Figure 4 , in Local MAC mode, the implementation steps are as follows:

[0047] S1. The AP receives terminal deauthentication frames and disassociation request frames from surrounding user terminals, and obtains AP deauthentication frames, association response frames and reassociation response frames sent by the AP.

[0048] S2. The AP extracts the source MAC address from the terminal deauthentication frame and the deassociation request frame, and extracts the destination MAC address from the AP deauthentication frame, associati...

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Abstract

The invention relates to a WLAN access point and user terminal information acquisition, correlation and statistical analysis method and belongs to the technical field of wireless communication. The method comprises collecting deauthentication frames, decorrelation frames and correlation and re-correlation response frames at an AP (access point) end to packet and package the receiving / transmitting time, the frame type value and the status code composition information of the MAC (media access control) address combination frames of an in-frame terminal and an AP into 802.3 frames and transmitting the packets to a server end; taking the moment when the AP transmits the correlation and re-correlation response frames as the access moment of the terminal and taking the moment when the AP transmits the deauthentication frames and the AP receives the deauthentication frames and the decorrelation frames as the exit moment of the terminal to obtain a correlation list for describing that different terminals access / exit the AP at different times; statistically analyzing the terminal access quantity of the AP at different times and the access time duration of every terminal. Compared with the prior art, the WLAN access point and user terminal information acquisition, correlation and statically analysis method is easy to implement and has the advantages of being low in processing time delay, capable of omitting additional devices, low in cost and the like.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and relates to a method for acquiring, associating and statistically analyzing information of an access point and a user terminal in a wireless local area network. Background technique [0002] With the rapid development and popularization of network technology, IEEE 802.11 standard WLAN has become an important way of network expansion, and people rely more and more on WLAN. In WLAN, the user terminal joins the subnet to which the selected AP belongs by establishing an association with the access point AP, that is, the user terminal sends an association request frame or a re-association request frame to the AP, and the AP replies with an association response frame or a re-association response to the AP. The user terminal, if the response is successful, the user terminal is successfully associated with the AP. In addition, the AP or the user terminal will send a deauthentication fr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/04H04W48/08
Inventor 贾云健陈飞
Owner CHONGQING UNIV
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