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Terminal equipment positioning method and apparatus

A technology of terminal equipment and positioning method, applied in the field of GPS positioning, can solve the problem of GPS positioning taking a long time, and achieve the effects of quick response, speeding up, and shortening positioning time

Active Publication Date: 2013-07-17
HUAWEI DEVICE CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] An embodiment of the present invention provides a terminal device positioning method to solve the problem of long time-consuming GPS positioning in existing terminal devices

Method used

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  • Terminal equipment positioning method and apparatus
  • Terminal equipment positioning method and apparatus
  • Terminal equipment positioning method and apparatus

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0022] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.

[0023] figure 1 It shows the implementation process of the terminal device positioning method provided by an embodiment of the present invention, and the process of the method is described in detail as follows:

[0024] In step S101, information about starting a global positioning system is received.

[0025] In this embodiment, the global positioning system includes, but is not limited to, the Galileo system, the Beidou system, and the like. Wherein, the information ...

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Abstract

The invention is applicable to the technical field of GPS positioning, provides a terminal equipment positioning method and a device. The method comprises: receiving a global positioning system startup information; and acquiring current sky corresponding satellite signals to achieve positioning based on prestored ephemeris data. An embodiment of the invention stores ephemeris data before the terminal device starts the GPS positioning, so that the terminal equipment fast locks satellite rapid positioning based on the stored ephemeris data after starting the GPS positioning, and effectively improves the efficiency of positioning.

Description

technical field [0001] The invention belongs to the technical field of GPS positioning, and in particular relates to a positioning method and device for terminal equipment. Background technique [0002] With the gradual maturity of the Global Positioning System (Global Positioning System, GPS) technology, there are more and more terminal devices with the GPS function on the market. Traditional GPS positioning (cold start) generally takes a few minutes for the first time. If the signal is poor, the time spent may be longer, which seriously affects the efficiency of positioning. [0003] The existing technology uses Assisted GPS (AGPS) to make up for the shortcoming of the traditional GPS’s long waiting time for the first positioning. The ephemeris data is obtained through the AGPS server. When the terminal device starts GPS positioning, the AGPS server obtains the described The ephemeris data above the current position of the terminal device, and then quickly search for the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/42
CPCG01S19/27G01S19/258G01S19/34
Inventor 魏孔刚赵宇钟光华
Owner HUAWEI DEVICE CO LTD
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