Network selection method and device

Abstract

The invention provides a network selection method and apparatus. The method comprises the following steps: when rollback of a mobile communication network to which a terminal accesses at present is determined, storing a first identifier of a current position of the terminal in a rollback list, and starting to perform rollback timing; determining that the terminal initiates network reselection, and when the rollback timing is stilled not terminated, judging whether a second identifier of the position of the terminal has been stored in the rollback list when the terminal initiates the network reselection; and when the second identifier of the position of the terminal is determined to be not stored in the rollback list, stopping the rollback timing, and starting the network reselection. Accordingly, the terminal does not need to perform the network reselection after the rollback timing is terminated, thereby reducing the network reselection delay, and thus the network reselection efficiency is improved.

Description

technical field [0001] The present disclosure relates to the field of communication technologies, and in particular to a network selection method and device. Background technique [0002] With the continuous improvement of communication technology, users have higher and higher requirements for communication delay. [0003] At present, when smart terminals such as mobile phones and tablet computers use the mobile communication network to communicate, they often encounter registration requests or location update requests that cannot be responded to. In this case, the mobile communication network will fall back on the terminal. For example: the fourth generation (4rd-Generation, 4G) mobile communication network falls back to the 3G network, or from the 3G network to the 2G network, usually the fallback time is 12 minutes, within these 12 minutes, even if the terminal location If there is a change, it is necessary to wait for 12 minutes to complete the network reselection, that...

AI Technical Summary

Problems solved by technology

[0003] At present, when smart terminals such as mobile phones and tablet computers use the mobile communication network to communicate, they often encounter registration requests or location update requests that cannot be responded to. In this case, the mobile communication network will fall back on the terminal. For example: the fourth generation (4rd-Generation, 4G) mobile communication network falls back to the 3G network, or from the 3G network to the 2G network, usually the fallback time is 12 minutes, within these 12 minutes, even if the terminal location If there is a change, you have to wait for 12 minutes to reselect the network, that is to say, the terminal cannot use the network between the fallbacks to communicate

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