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Method and device for locating by using AGPS (Assisted Global Positioning System)

A GPS positioning and GPS data technology, applied in the field of communication, can solve problems such as inconvenience of movement and inability to manually turn on AGPS, and achieve the effect of rapid rescue

Inactive Publication Date: 2011-04-06
ZTE CORP
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a method and device for positioning using AGPS to solve the problem in the prior art that the AGPS function cannot be manually activated when the mobile terminal holder encounters an emergency and causes inconvenience.

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  • Method and device for locating by using AGPS (Assisted Global Positioning System)

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Embodiment Construction

[0026] The embodiment of the present invention provides a method and device for positioning using AGPS. The AGPS function is actively triggered by the network side equipment to complete the positioning of the mobile terminal, so that when the mobile terminal holder encounters an emergency, the network side Turn on the AGPS function, so that the mobile terminal holder can get rescue quickly.

[0027] An embodiment of the present invention provides a method for positioning using AGPS, such as figure 1 shown, including the following steps:

[0028] S101: Send an AGPS activation control signal to the mobile terminal through the mobile communication network;

[0029] S102: Generate AGPS assisted positioning information and send the AGPS assisted positioning information to the mobile terminal according to the AGPS positioning request signal returned by the mobile terminal;

[0030] S103: Determine the location of the mobile terminal according to the positioning information returne...

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Abstract

The invention discloses a method and a device for locating by using an AGPS (Assisted Global Positioning System). The method comprises the following steps of: sending an AGPS starting control signal to a mobile terminal through a mobile communication network; generating AGPS assisted location information according to an AGPS location request signal and sending the AGPS assisted location information to the mobile terminal; and determining the location of the mobile terminal according to location information returned by the mobile terminal. The method and the device provided by the invention can complete the location of the mobile terminal by initiatively triggering an AGPS function through network-side equipment, therefore, when the owner of the mobile terminal encounters an emergency, the network side starts the AGPS function to ensure that the owner of the mobile terminal can get aid quickly.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and device for positioning by using AGPS. Background technique [0002] At present, the method of using the Global Positioning System (GPS) satellite group to obtain the position of a certain terminal has been widely used. The GPS navigation satellite system has 27 navigation satellites, of which 24 are in use and 3 are spare, which can be used in any Provide satellite navigation and positioning services for the world at all times. However, in a more complex environment, the GPS signal received from the GPS satellite is weak. In order to achieve accurate positioning and improve the sensitivity of the GPS functional module, an improved positioning method, namely Assisted Global Positioning System (Assisted Global Positioning System) has been proposed. Positioning System, AGPS), in this method, through the GPS positioning server to provide auxiliary information, su...

Claims

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Application Information

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IPC IPC(8): H04W4/02G01S19/42H04W4/90
CPCG01S19/25H04W4/22H04W4/90
Inventor 刘鑫正张朝利
Owner ZTE CORP
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