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Method and device for searching high-speed railway private network and terminal

A high-speed rail private and private network technology, applied in the field of communication, can solve problems such as business impact and inability to quickly return to private network 4G cells

Active Publication Date: 2017-12-22
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The methods of searching private network 4G cells in the prior art cannot quickly return to private network 4G cells, and will have a great impact on the current business

Method used

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  • Method and device for searching high-speed railway private network and terminal
  • Method and device for searching high-speed railway private network and terminal
  • Method and device for searching high-speed railway private network and terminal

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Embodiment Construction

[0040] 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.

[0041] The present invention provides a method for searching the high-speed rail private network, such as figure 1 As shown, the method includes:

[0042] S11. When disconnecting from the private network to the public network, detect whether it is in a high-speed mobile state;

[0043] S12. When in the high-speed mobile state, search for hi...

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Abstract

The invention provides a method and device for searching a high-speed railway private network and a terminal. The method comprises the steps of: when separating to a public network from a private network, detecting whether a current state is a high-speed moving state; when the current state is the high-speed moving state, in the process that a PCC (principal component carrier) carries out a public network service, searching a high-speed mobile private network cell by a SCC (secondary component carrier); and after searching out the high-speed mobile private network cell, carrying out a private network service on the high-speed mobile private network cell by the SCC. According to the method and device provided by the invention, in a case of not influencing a current service, the terminal can be rapidly returned to the private network 4G cell.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method, device and terminal for searching a high-speed rail private network. Background technique [0002] The LTE (Long Term Evolution, long-term evolution) project is the evolution of 3G. The LTE system can increase the data transmission rate and reduce the system delay while increasing the coverage and system capacity, thereby reducing user fees, operator costs and improving quality of service goals. [0003] When UE (User Equipment, user equipment) is running on the high-speed rail, the movement rate will reach 350Km / h. China Mobile has specially designed a high-speed rail network on the high-speed rail line to ensure that terminals on the high-speed rail can operate under 4G LTE. business. However, China's high-speed rail lines are already very long and will continue to be built in the future. There is no guarantee that all private networks can be optimize...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/14H04W36/18H04W48/16
CPCH04W36/14H04W36/18H04W48/16
Inventor 薛丰廷
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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