Global positioning system (GPS) positioning method and system

Abstract

The invention discloses a global positioning system positioning method and a global positioning system positioning system. In the method and the system, a current network state can be acquired to determine whether a current network is available or not, and if the current network is unavailable, positioning is performed by adopting an independent mode; and if the current network is available, the positioning is performed by adopting a mobile phone assisting mode, and the positioning is performed further by adopting a mobile phone mode according to the current network state. In the method and the system, a terminal is ensured to accurately and rapidly realize a positioning function under most conditions, so the positioning performance is improved and the degree of satisfaction of a user is increased.

Description

technical field [0001] The invention relates to the communication field, in particular to a GPS (Global Positioning System) positioning method and system. Background technique [0002] Mobile positioning is a new function provided by the mobile communication network. The location information of the terminal is obtained through the wireless positioning technology, and provided to the user himself, the mobile communication network or other external entities, so as to realize various location-related applications. It integrates GPS, CDMA1X (Code Division Multiple Access Packet Data Exchange Network), GIS (Geographic Information System), INTERNET network and technology. [0003] As location services become more and more important, various applications based on the services are also increasing. At present, the wireless network-assisted GPS positioning and CDMA triangulation positioning functions can be embedded in the CDMA terminal chip to organically integrate the above two po...

AI Technical Summary

Problems solved by technology

Among them, the mobile phone-assisted mode can directly obtain terminal location information through the network, and does not require the mobile phone itself to perform positioning operations. However, this mode requires network support, and it can be used when the network environment is poor or even without network, and when network resources are occupied. In this case, this mode cannot be successfully positioned; while the independent mode is completely based on the terminal's own behavior and does not require network support at all. In this mode, once the terminal cannot effectively connect to the satellite (such as indoors), The positioning is also unsuccessful, and the initial positioning delay is relatively large, and the success rate is low; the mobile phone mode requires not only network support, but also an open environment where the terminal can be effectively connected to the satellite, and the possibility of positioning failure is greater. Used as a supplement to the above two positioning modes

[0012] Since both the mobile phone mode and the independent mode require the terminal to connect to the satellite according to the satellite information, the satellite information stored in the terminal in these two modes can be shared; and in the mobile phone-assisted mode, the terminal can also obtain satellite information and save it in the terminal, but Since this mode does not directly connect to satellites to obtain location information, the satellite information in this mode cannot be used in other modes

[0013] Among the mobile communication terminals currently on the market, there is no one that can ensure that the terminal can realize the positioning function accurately and quickly in real time at any time and in any state, which is not conducive to the improvement of positioning performance and user satisfaction.

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