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Indoor wireless locating method

A technology of wireless positioning and positioning method, applied in the field of communication

Active Publication Date: 2011-10-26
CHINA MOBILE GRP GUANGDONG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A system that directly uses the existing deployed WLAN environment (access points provided by operators and wireless access terminals for users) without adding any equipment to achieve positioning has not yet appeared.

Method used

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Embodiment Construction

[0013] The core of the present invention is based on a large number of wireless local area networks built by operators and terminals with WI-FI, including mobile phones, TVs, digital cameras, next-generation game consoles and other commodities that all have this function. The system transmits the power signal by laying out the wireless LAN transceiver in the scene, and the client installed on the wireless terminal receives the power signal.

[0014] Figure 4 It is a schematic diagram of the composition of the system of the present invention, as shown in the figure, 31 is a wireless local area network transceiver, which is a measurement point for power signals, 31 is a user terminal, which is used to measure power signals, and 33 is a positioning server, which is matched by power measurement and historical data to realize the positioning function.

[0015] refer to figure 1 , the figure is the system structure and method of the positioning method of the system. The positioni...

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Abstract

The invention relates to an indoor wireless locating system which uses a locating arithmetic based on the combination of indoor power detection and historical data matching to confirm the position of a tracking object. A locating method of the system not only can reduce the reconstruction on the original wireless network and facilitate the disposition of operators, but also simplifies the use link of users and enables the system to be used by only installing a client terminal on a wireless terminal, thereby being easier for the users to accept and convenient to popularize. In addition, the working distance between a wireless access point and the wireless terminal is the same as the distance covered by a wireless local area network and can reach 70 meters in radius, and the users do not need to know the position of the access point during using the system, thereby facilitating the users and further being easier for the operators to dispose the position of the access point.

Description

technical field [0001] The invention relates to the communication field, in particular to an indoor wireless positioning system and algorithm. Background technique [0002] Indoor wireless positioning is a technology that gradually grows with the development of society. When the old wired office mode cannot meet the current people's requirements for efficiency and convenience, wireless local area network came into being; and wireless positioning technology is one of the most important technologies in wireless local area network. [0003] Wireless positioning can make work more efficient and more convenient to use. Wireless positioning can locate and track equipment or staff in space, manage them, and improve work efficiency. At the same time, the visualization of the positioning can increase the safety of work. The service after wireless positioning is also what manufacturers are willing to pursue, providing customers with guidance, introducing the latest information, ins...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S5/02
Inventor 杨文俊肖萍黄启坚何莹吴顺宁夏华严雄山
Owner CHINA MOBILE GRP GUANGDONG CO LTD
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