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Access control method, system and network element

A technology of access control and network elements, applied in the field of communication

Active Publication Date: 2013-01-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In addition, when the UE makes an emergency call in a prohibited area, how to restrict the UE from receiving other service establishment requests, or when the user ends the emergency call, the user will continue to It is also possible to make another emergency call, or receive a call back from the emergency call center. How to ensure that the UE can accept the service establishment request and only accept the service establishment request of the emergency service, and reject the establishment request of other services. At present, there is no mechanism to solve this problem

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  • Access control method, system and network element
  • Access control method, system and network element
  • Access control method, system and network element

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Embodiment Construction

[0031] The network system applied in the embodiment of the present invention is mainly based on a brand-new evolution network being researched by 3GPP, such as figure 1 As shown, the embodiment of the present invention provides an architecture diagram of an evolved network, including:

[0032]Evolved UMTS Terrestrial Radio Access Network (E-UTRAN, Evolved UMTS Terrestrial RadioAccess Network), used to realize all functions related to the wireless of the evolved network;

[0033] Mobility Management Entity (MME, Mobility Management Entity), responsible for mobility management of the control plane, including user context and mobility status management, assigning user temporary identities, etc.;

[0034] Serving Gateway (SGW, Serving Gateway) is the user plane anchor point between 3GPP access networks and terminates the interface of E-TURAN;

[0035] The packet data network gateway (PGW, Packet Data Network Gateway) is the user plane anchor point between the 3GPP access network...

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Abstract

The invention relates to the technical field of communication, in particular to an access control method, an access control system and an access control network element. The invention aims to solve the problem that part of emergency service demands cannot be satisfied due to the deletion of other non-emergency service bearers when User Equipment (UE) moves from a normal region to a forbidden region and does not have a signaling bearer. The access control method provided by the invention comprises the following steps of: receiving an access request from the UE; determining that the current access region of the UE is the forbidden region and a user needs an emergency service; and initiating a signaling bearer establishing process to establish the signaling bearer when the UE does not has the signaling bearer. The invention also provides an access control system and an access control network element. The access control method provided by the invention ensures the satisfaction of a user emergency calling service demand when the UE moves from the normal region to the forbidden region.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to an access control method, system and access control network element. Background technique [0002] Currently, the 3GPP organization is studying the Emergency Call (EMC) service of the IP Multimedia Subsystem (IMS). The so-called emergency call service is beneficial to the IP-Connectivity Access Network (IP-CAN, Networks such as GPRS / UMTS / E-UTRAN / WLAN / Wimax) and IMS systems provide users with emergency call services (such as alarm services and fire alarm services, etc.). [0003] For the emergency call service, even if the user is in a forbidden area (such as a roaming forbidden area (forbidden location areas for roaming) or a service forbidden area (forbidden location areas for regional provision of service) or a CSG (closed subscriber group, Closed Subscriber Group) restricted area etc., that is, when users cannot use normal services in these areas, also known a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/22H04W48/04H04W4/90
Inventor 吴问付朱奋勤
Owner HUAWEI TECH CO LTD