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Policy control method and system

A strategy control and strategy technology, applied in the field of IMS business and 3G wireless communication, can solve the problem of no regulation of strategy control mechanism, etc., and achieve the effect of reliable parameters

Active Publication Date: 2009-09-02
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical specifications of the 3rd Generation Partnership Project (3GPP for short) include the verification and authorization of WLAN access to the 3GPP network, access to packet switching domain services (Packet Switching, PS for short), and emergency calls. For the content, please refer to the document "3GPP TS 23.2343GPP system to Wireless Local Area NetworkWLAN interworking", but there is no regulation on the policy control mechanism for using IMS services through WLAN

Method used

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Embodiment Construction

[0032] The WLAN standard adopted by the present invention can verify the identity of the terminal through a pre-issued certificate. For example, when the wireless local area network 802.11x standard is adopted, the wireless local area network authentication and privacy infrastructure (WLAN Authentication and Privacy Infrastructure, referred to as WAPI) or Wi-Fi should be used. Network security access, referred to as WPA (Wireless Fidelity, WPA, Wi-FiProtected Access); but there is no requirement for specific wireless access methods, such as access to 802.11x or WIMAX is applicable, the WINMAX The full name is Worldwide Interoperability for Microwave Access, that is, Global Interoperability for Microwave Access, or 802.16 wireless metropolitan area network.

[0033] In the present invention, the WLAN access verification process is to verify the "terminal identity", while the verification in the IMS registration process is to verify the "user identity". The two identities are indepe...

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Abstract

The invention relates to a policy control method and a system. The policy control method comprises the following steps: wireless LAN policy decision function WLAN-PDF collects the information including terminal ID or terminal ID and link information of a WLAN terminal from an access point AP; in the process of a user using the WLAN terminal to call a registration to IP multimedia subsystem IMS network, the agent call session control function P-CSCF of the IMS network obtains the information of the WLAN terminal from the WLAN-PDF and sends the information of the WLAN terminal to the service call session control function of the IMS network; and S-CSCF carries out the policy control according to the information of the WLAN terminal and the local policy. The invention has the advantages of enabling a service provider to exert flexible control policy while simultaneously providing two services.

Description

Technical field [0001] The present invention relates to the technical field of 3G wireless communication, and further relates to the field of IMS services, in particular to a strategy control method and system. Background technique [0002] IP Multimedia Subsystem (IMS) is the business framework and operating platform of the 3G wireless communication network. IMS is based on standard Internet Protocol Transmission Control Protocol / Internet Protocol (Transfer Control Protocol / Internet Protocol, referred to as TCP / IP), Initial Session Protocol (Session Initial Protocol, referred to as SIP) and HyperText Transfer Protocol (HyperText Transfer Protocol, referred to as HTTP) Based on IMS, existing Internet services and wireless communication network services can be easily transplanted. The Internet services include web browsing and video-on-demand. The wireless communication network services include voice calls and short messages (replaced by instant messages) , MMS and CRBT, etc. At t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/08H04W60/00H04W84/12
CPCH04L29/06523H04L29/06537H04L29/06326H04L65/80H04W28/16H04L65/1069H04W84/12H04L69/24
Inventor 佘坤
Owner ZTE CORP
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