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Each distributed EPC core network user roaming control method and EPC core network

A control method and core network technology, applied in the field of mobile communications, can solve problems such as the inability to realize the roaming function of users across the EPC core network, and achieve the effects of easy maintenance and management, saving investment costs, and a simple query mechanism

Active Publication Date: 2021-02-19
STATE GRID SHAANXI ELECTRIC POWER +2
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide each distributed EPC core network user roaming control method and EPC core network, for solving the problem in the prior art that multiple distributed EPC core networks are independent from each other and cannot realize the roaming function of users across the EPC core network

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  • Each distributed EPC core network user roaming control method and EPC core network
  • Each distributed EPC core network user roaming control method and EPC core network

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Embodiment Construction

[0023] The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0024] A distributed EPC core network of the present invention, in the original mobile management entity (Mobile ManagementEntity, MME), server gateway (Serving Gateway, SGW), PDN gateway PGW (Packet Data NetworkGateway) and home subscriber server (Home Subscriber Server, On the basis of network element modules such as HSS), a community subscriber server (Community Subscriber Server, CSS) is added, and the mobile management entity MME is connected to the home subscriber server HSS, the community subscriber server CSS, the server gateway SGW and the PDN gateway PGW, and the server gateway and PDN gateway connection, the community user server is used to connect with community user servers of other distributed EPC core networks; it is used to solve the problem of user roaming among multiple distributed EPC core networks. The user data of the CSS modu...

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Abstract

The present invention provides each distributed EPC core network user roaming control method and EPC core network, by adding a community user server CSS and an attribution query mechanism in the traditional EPC network architecture, it is used to inquire about the attribution of roaming users, and realizes the current distribution When a user in a distributed EPC core network roams to other distributed EPC core networks in a network organization in which EPC is independent of each other, related services can be performed on other distributed EPC core networks, providing a more convenient and flexible LTE network , forming multiple point-like coverage interconnection and intercommunication LTE networks, simplifying the complex interconnection network architecture and facilitating maintenance and management. Compared with traditional network architecture, it greatly saves the investment cost of network construction, and the query mechanism is very simple , fast.

Description

technical field [0001] The invention belongs to the technical field of mobile communication, and in particular relates to user roaming control methods of each distributed EPC core network and the EPC core network. Background technique [0002] The fourth-generation wireless data network LTE (Long Term Evolution, Long Term Evolution) is a new generation of international mainstream broadband wireless mobile communication technology. It is oriented to packet domain services and cannot provide circuit domain services like traditional 2G / 3G networks. Traditional The LTE system adopts a tree-like network architecture and adopts Evolved Packet Core (EPC) centralized deployment, which is more suitable for large-scale network operations of operators. However, with the surge of wireless data traffic and the application of LTE-based wireless private networks, A miniaturized EPC core network based on a distributed architecture is in use. Each EPC core network includes a home user server...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W8/06H04W12/06H04Q3/58
CPCH04Q3/58H04W8/06H04W12/06
Inventor 杨储华张可心易永辉赵永柱时谊崔路陶永健沈鸿彦席亚克李峰尹运锋
Owner STATE GRID SHAANXI ELECTRIC POWER
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