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Location update method and mobile terminal

A technology of a mobile terminal and an update method, applied in electrical components, wireless communication, network data management and other directions, can solve problems such as device data update failure and CS domain service failure, and achieve the effect of improving service connection capability and success rate

Active Publication Date: 2017-10-03
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a location update method and a mobile terminal, which are used to solve the problem that the CS domain service fails due to the failure of updating the data of the equipment on the 2G / 3G network side due to the change of the location of the mobile terminal

Method used

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  • Location update method and mobile terminal

Examples

Experimental program
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Embodiment Construction

[0020] figure 1 It is a schematic flowchart of Embodiment 1 of a location updating method provided by the present invention. Such as figure 1 As shown, the location update method includes:

[0021] S100. The mobile terminal determines that a cell to which the first SIM card supporting the 2G / 3G standard is attached changes.

[0022] The mobile terminal in each embodiment of the present invention is an LTE dual-card dual-standby terminal, that is, the terminal has a SIM card supporting the LTE standard and a SIM card supporting the 2G or 3G standard. Standby in 3G network. In the early stage of LTE development, when the LTE standard SIM card provides CS domain services for users, it needs to fall back from the LTE network to the 2G / 3G network, that is, the LTE standard SIM card has the CSFB function. For convenience of description, in each embodiment of the present invention, the SIM card supporting the 2G / 3G standard is called the first SIM card, and the SIM card supportin...

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Abstract

The invention provides a positioning updating method and a mobile terminal. The position updating method comprises the steps that the mobile terminal makes sure that a cell attached to a first SIM card supporting 2G / 3G modes changes; the mobile terminals triggers a second SIM card supporting an LTE mode to carry out CS domain target cell searching; the mobile terminal sends the mark of the CS domain target cell searched for by the second SIM card to corresponding network equipment, so that when the network equipment makes sure that the CS domain target cell is different from a CS domain first cell, a position updating request is sent to the network equipment corresponding to the mark of the CS domain target cell, and then data of the mobile terminal are input into the network equipment corresponding to the mark of the target cell. According to the position updating method and the mobile terminal, the data of the terminal can be input into the network equipment corresponding to the target cell in time, when the mobile terminal carries out CSFB dropping, the mobile terminal can rapidly drop back to the cell where the terminal is located, and service connection capacity and the success rate are improved.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a location update method and a mobile terminal. Background technique [0002] Circuit Switched Fallback (CSFB for short) is a communication technology for providing voice services based on a circuit domain network. In the initial stage of LTE (Long Term Evolution, referred to as LTE) deployment, CSFB is used as the voice service implementation technology in the initial stage of LTE network deployment. ) or the second generation mobile communication technology (Second Generation, 2G for short) network, using the high coverage and mature technology of the 3G / 2G network to provide users with a good user experience. [0003] At present, in order to meet the needs of users with multiple numbers, there are many dual-card terminals on the market. Users can put two standard communication cards in one terminal, and use the numbers that support different services to handle different se...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W8/08H04W88/02
Inventor 袁晓静
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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