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GPS positioning method of mobile terminal and mobile terminal

A technology for GPS positioning and mobile terminals, applied in satellite radio beacon positioning systems, services based on location information, measurement devices, etc., can solve problems such as high network signal quality requirements, AGPS positioning speed impact, etc., to reduce data transmission The effect of times, reducing impact, speeding up

Active Publication Date: 2014-08-06
HUAWEI DEVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the realization of AGPS positioning technology requires multiple data transmissions through the network, which requires high network signal quality. When the network signal quality is not good, the positioning speed of AGPS will be significantly affected

Method used

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  • GPS positioning method of mobile terminal and mobile terminal
  • GPS positioning method of mobile terminal and mobile terminal
  • GPS positioning method of mobile terminal and mobile terminal

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Embodiment Construction

[0050] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0051] When ordinal numerals such as "first" and "second" are mentioned in the embodiments of the present invention, unless they really express the meaning of order according to the context, it should be understood that they are only used for distinction.

[0052] figure 1 It is a flowchart of a GPS positioning method for a mobile terminal according to an embodiment of the present invention, such as figure 1 As shown, the method includes:

[0053] Step 101, after...

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Abstract

The embodiments of the present invention provide a GPS positioning method for a mobile terminal and the mobile terminal. The method comprises: after GPS positioning is initiated, acquiring a first cell identification of a first cell where a mobile terminal is located; according to the first cell identification, acquiring first longitude and latitude information corresponding to the first cell from a correlation table stored in the mobile terminal, wherein the correlation table comprises cell identifications and longitude and latitude information corresponding to the cell identifications; and performing the GPS positioning on the mobile terminal through a GPS receiver in the mobile terminal in combination with the first longitude and latitude information, pre-acquired time information and ephemeris information. In the embodiments of the present invention, when the mobile terminal performs GPS positioning, longitude and latitude information corresponding to a cell where the mobile terminal is currently located is acquired from a correlation table stored in the mobile terminal, and according to the longitude and latitude information and pre-acquired time information and ephemeris information, the GPS positioning speed of a GPS receiver can be accelerated.

Description

technical field [0001] The embodiment of the present invention relates to the field of electronic communication, in particular to a GPS positioning method for a mobile terminal and the mobile terminal. Background technique [0002] With the popularity of smart phones, more and more attention has been paid to location based services (referred to as LBS), and users have higher and higher requirements on the experience of a global positioning system (referred to as GPS). GPS positioning speed is a key factor affecting user experience. [0003] AGPS (assisted GPS, A-GPS, network-assisted GPS) positioning technology combines the advantages of GPS positioning and cellular base station positioning. When the mobile terminal uses AGPS positioning technology for GPS positioning, the mobile terminal can obtain the auxiliary information required for GPS positioning from the cellular network, such as the satellite frequency band, azimuth, elevation angle and other information available ...

Claims

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Application Information

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IPC IPC(8): H04W4/02G01S19/48H04W4/029
CPCG01S19/27G01S19/06H04W64/00H04W4/02G01S19/25H04W4/027G01S19/252H04W4/029G01S19/13
Inventor 王同波姚文峰黎高鹏
Owner HUAWEI DEVICE CO LTD
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