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A method for tracking and identifying terminals with mac addresses hidden during scanning

A MAC address and terminal technology, applied in wireless communication, access restrictions, electrical components, etc., can solve problems such as the failure of smart applications based on terminal location, the inability to display the location of the terminal in the positioning information, and the inability to locate the information corresponding to the terminal.

Active Publication Date: 2019-07-16
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For a terminal with a random MAC address, its positioning information cannot display its actual terminal location, so it is impossible to match the positioning information with the actual service terminal
When the number of such terminals is too large to ignore, it may cause the failure of smart applications based on terminal locations

Method used

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  • A method for tracking and identifying terminals with mac addresses hidden during scanning
  • A method for tracking and identifying terminals with mac addresses hidden during scanning
  • A method for tracking and identifying terminals with mac addresses hidden during scanning

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Embodiment Construction

[0035] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0036] As mentioned above, WLAN communication needs to associate the terminal with the AP first. In order for the terminal to know the existence of the network, the AP periodically broadcasts a beacon frame (Beacon). The terminal broadcasts the probe request frame to each AP, and receives the probe response frame replied by the AP, so as to know the channel status of communicating with each AP. After learning the situation of the AP in the wireless network environment, the terminal can form an access decision and select an AP to access.

[0037] figure 1 It schematically shows a scenario where a terminal uses a random MAC address to scan as described in the background. like figure 1 As shown, when scanning, the terminal randomly generates a MAC address and sends a broadcast probe request frame to each AP. AP1, AP2, and AP3 within the wir...

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Abstract

The invention provides a tracking and identifying method for a terminal hiding an MAC address during scanning. The method comprises that 1) a label is generated aimed at the scanning MAC address of the terminal, and the label is used to identifying one-to-one correspondence between the terminal and an AP; 2) the label and an access MAC address from the terminal are received; and 3) according to the label, the terminal which hides the MAC address is determined. According to the invention, the terminal which hides the real MAC address is tracked and identified, and the MAC address used by the terminal during scanning is associated with the MAC address of the terminal, and terminal position based smart application is supported.

Description

technical field [0001] The invention relates to wireless communication, in particular to tracking and identification of terminals. Background technique [0002] WLAN (Wireless Local Area Networks, Wireless Local Area Network) is a local area network that uses radio waves as a data transmission medium for connection. The difference between wireless LAN and wired LAN is determined by the sharing characteristics of the medium and the half-duplex working method. A simple WLAN consists of two types of devices: wireless terminals and wireless APs (AccessPoint, Access Point). The terminal is a device that accesses the WLAN, and the AP is a device that provides wireless access for the terminal. [0003] With the development of related technologies, related applications of positioning and tracking technologies based on WLAN terminals have played an important role in the construction of smart cities and smart parks. According to the location information of the terminal, location-ba...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/04H04W48/16H04W64/00
CPCH04W48/04H04W48/16H04W64/00
Inventor 张骏张广兴谢高岗宋磊
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI
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