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Core network registration method and device and terminal

A core network and successful registration technology, applied in the field of communication, can solve the problem of low efficiency of access methods, achieve the effect of reducing the number of attempts and improving registration efficiency

Active Publication Date: 2019-07-16
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When performing PLMN selection, if the cell is connected to the 5G core network and the LTE core network at the same time, the terminal needs to first select a core network to access, and if it cannot access, try another core network to access. Obviously, this selective access way less efficient

Method used

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  • Core network registration method and device and terminal
  • Core network registration method and device and terminal
  • Core network registration method and device and terminal

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Embodiment Construction

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0034] The present invention provides a core network registration method, such as figure 1 As shown, the method includes:

[0035] S11. After residing in the cell and successfully registering, store the information of the registered PLMN, wireless access mode and core network type;

[0036] RPLMN (registered PLMN) is the PLMN registered by ...

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PUM

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Abstract

The invention provides a core network registration method and device and a terminal. The method comprises the steps of storing registered PLMN (Public Land Mobile Network), a wireless access mode andcore network type information after a cell resides and is registered successfully; after restarting or entering the coverage area again, reading the stored information of the registered PLMN, the wireless access mode and the core network type; selecting to reside in the registered PLMN according to the stored registered PLMN and the stored wireless access mode; according to the system information,obtaining the type of a core network to which the registered PLMN cell residing at present is connected; and when the registered PLMN cell is simultaneously connected to at least one core network, performing registration according to the stored core network type. According to the invention, direct registration can be carried out according to the stored core network type information, and the registration efficiency is improved.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a core network registration method, device and terminal. Background technique [0002] In future network deployment, the access network connected to the 5G core network can be an access network based on 5G air interface technology, or an LTE access network based on LTE air interface technology. If the 5G core network is connected to the LTE access network, the same An LTE cell can be connected to the 5G core network and the LTE core network at the same time. [0003] PLMN (Public Land Mobile Network) is a public land mobile network. For a terminal, it is necessary to select a PLMN to register and provide services. RPLMN (Registered PLMN, registered PLMN) is the PLMN registered by the terminal before the last shutdown or offline. As a registered network, it is optimal in terms of access success rate and access time. Therefore, when the terminal is turned on Or aft...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W60/00
CPCH04W60/00
Inventor 陈伟金逸
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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