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Wireless terminal positioning method and system

A wireless terminal and positioning method technology, applied in wireless communication, electrical components, etc., can solve the problems of increasing costs and achieve the effect of convenient search and low cost

Inactive Publication Date: 2018-01-26
SHANGHAI MORUAN COMM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is that in the existing positioning technology of wireless terminal equipment, it is necessary to additionally deploy multiple wireless APs or iBeacon equipment, which increases the defect of cost, and provides a wireless terminal positioning method and system

Method used

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  • Wireless terminal positioning method and system
  • Wireless terminal positioning method and system

Examples

Experimental program
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Effect test

Embodiment 1

[0052] refer to figure 1 , figure 2 , the embodiment of the present invention provides an implementation method of obtaining the location of a wireless terminal, wherein the wireless terminal may be: a wireless earphone, a mobile phone and other equipment, which can perform data communication with a wireless distance measuring device through a wireless network. Optionally, the The wireless distance measuring device may be: an infrared distance measuring instrument, a Bluetooth distance measuring instrument, a Wi-Fi distance measuring instrument and other equipment. Moreover, the wireless distance measuring device can also perform three-dimensional geometric calculations. A possible implementation is given below: that is, when the wireless terminal is lost or cannot be found, the wireless ranging device uses three detection positions to locate the wireless terminal.

[0053] Specifically, the wireless terminal positioning method includes the following steps:

[0054] S101. ...

Embodiment 2

[0063] refer to Figure 4 , based on the implementation provided in Embodiment 1, this embodiment of the present invention also provides an implementation for reducing detection errors, specifically:

[0064] Such as Figure 5 As shown, a possible implementation of S102 is:

[0065] S1021. The wireless ranging device acquires a maximum detection error value E. The maximum detection error value E can be obtained by querying the specifications of the wireless distance measuring device, and input to the wireless distance measuring device.

[0066] S1022. The wireless ranging device obtains the first detection position P 1 The corresponding first detection area G 1 , the first detection area G 1 is the area between the first inner spherical surface and the first outer spherical surface, and the centers of the first inner spherical surface and the first outer spherical surface are both the first detection position P 1 , the radius of the first inner sphere is the first distan...

Embodiment 3

[0079] This embodiment provides a wireless terminal positioning system, which can be integrated into terminal products such as smart phones, wearable devices, and tablet computers as a software function, and use its hardware components to realize corresponding functions; it can also have independent hardware components. The realization of independent product forms is not limited in the present invention. Such as Figure 6 As shown, the wireless terminal positioning system includes a wireless distance measuring device 301 and a main controller 302, and the wireless distance measuring device 301 and the main controller 302 are connected in communication. Such as figure 2 , image 3 As shown, the wireless distance measuring device 301 is used for the first detection position P 1 Obtain the first distance value D on 1 , at the second detection position P 2 Upper second distance value D 2 , at the third detection position P 3 The third distance value D 3 ;First distance va...

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Abstract

The invention discloses a wireless terminal positioning method and system. The wireless terminal positioning method comprises the following steps: acquiring a first distance value, a second distance value and a third distance value, wherein the first distance value is a distance value between a first detection location and a wireless terminal, the second distance value is a distance value betweena second detection location and the wireless terminal, and the third distance value is a distance value between a third detection location and the wireless terminal; and acquiring the location of thewireless terminal, wherein the location of the wireless terminal is a point of intersection of a first spherical surface, a second spherical surface and a third spherical surface. According to the wireless terminal positioning method and system disclosed by the invention, the additional deployment of multiple wireless APs or iBeacon equipment is not needed, the location of the wireless terminal can be accurately positioned by adopting a low-cost method, and users can conveniently search the wireless terminal.

Description

technical field [0001] The invention belongs to the technical field of wireless positioning, and in particular relates to a wireless terminal positioning method and system. Background technique [0002] At present, the positioning of wireless terminal devices in indoor environments generally adopts Wi-Fi (Wireless Fidelity based on IEEE 802.11b standard wireless local area network technology) positioning technology, or iBeacon (US Apple's low-power bluetooth technology) positioning technology. The positioning principles of the two are similar. Specifically, in the Wi-Fi positioning technology, a wireless AP (Access Point, wireless access point) is deployed in three different indoor locations, and the three wireless APs detect the distance between them and the terminal device. The strength of the Wi-Fi signal transmitted between them (RSSI, Received Signal Strength Indication, received signal strength indication), and according to the strength of the Wi-Fi signal, respectivel...

Claims

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Application Information

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IPC IPC(8): H04W64/00
Inventor 李琳
Owner SHANGHAI MORUAN COMM TECH
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