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Indoor relative position determining system, control method and control device

A technology of relative position and control method, applied in the field of indoor location service system, can solve problems such as difficult to adapt to complex environment, high system construction cost, low universality, etc., and achieve low construction and maintenance cost, small impact, and few distribution blind spots Effect

Inactive Publication Date: 2014-08-06
上海欧科微航天科技有限公司
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AI Technical Summary

Problems solved by technology

[0006] Aiming at the defects in the prior art, the technical problem to be solved by the present invention is: aiming at the lack of internal location services in the current large buildings, based on the 802.11 series protocols, it provides convenient and feasible indoor The relative position determination method and system solves the problems that the existing technology is too complicated to deal with such problems, the universality is not high, it is difficult to adapt to complex environments and the cost of system construction is high

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  • Indoor relative position determining system, control method and control device
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Embodiment Construction

[0047] The specific implementation of the indoor relative position determination system and method based on 802.11 series protocols and EBP broadcasting described in the present invention will be described in detail below with reference to the accompanying drawings.

[0048] figure 1 It is a system structure diagram of the present invention, including several EBP devices, several mobile terminals supporting 802.11 series protocols and a background data processing center. Multiple EBP devices form a micro-cell with overlapping edges, and the cell radius is controlled at the sub-meter, meter or ten-meter level by adjusting the transmission power of the EBP device. The EBP device has a uniquely coded ESSID number, which ensures reception by mobile terminals of users within the coverage area through the cyclic broadcast of the number. Such as figure 1 As shown by user Y in the figure, the user’s mobile terminal needs to have and enable the WLAN function, refresh the SSID informa...

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Abstract

The invention provides an indoor relative position determining system and method based on 802.11 series protocols and EBP broadcasting. The indoor relative position determining system comprises a plurality of EBPs (ESSID broadcast points), a plurality of mobile terminals supporting the 802.11 series protocols and a background data processing center. The EBPs are distributed indoors to form an 802.11 microcellular network, each EBP covers a specific region, and ESSID information preset by the EBPs is broadcasted continuously. The mobile terminals obtain an indoor map containing all EBP position information of the system from the background data processing center and receive wireless signals covering the terminals and based on the 802.11 series protocols, a current ESSID is obtained, the ESSID is matched with local pre-stored information, and accordingly the relative positions of the mobile terminals are determined. The background data processing center conducts management on the indoor map and EBP position databases and provides information interaction of positions shared by users.

Description

technical field [0001] The present invention relates to an indoor location service system, in particular to a wireless indoor relative location determination method and system based on 802.11 series protocols, as well as a corresponding control method and a control device. Background technique [0002] The development of mobile computing devices and the progress of wireless local area network technology have promoted the rapid development of mobile positioning technology. Triangulation positioning, image analysis and beacon positioning are the three main automatic positioning technologies. Since the global positioning system belongs to satellite positioning, there is an inherent positioning accuracy problem in indoor positioning, so other positioning technologies must be used to solve the indoor positioning problem. Commonly used indoor positioning technologies mainly include infrared, 802.11, 802.15, ultrasonic and RFID technologies. [0003] With the popularization of wir...

Claims

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Application Information

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IPC IPC(8): H04W4/04H04W4/06H04W64/00
Inventor 丁晟马陆梁旭文王洋
Owner 上海欧科微航天科技有限公司
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