Method, device and system for establishing PCC (Policy Control and Charging) session

A technology for session request and establishment request, which is applied in the direction of transmission system, digital transmission system, metering/billing/accounting device, etc. It can solve the problems of dynamic adjustment, failure to obtain user location information in time, and user establishment of PCC, etc., to reduce The effect of delay

Active Publication Date: 2017-05-03
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, according to the standard, unless the user goes offline and then re-connects to the network, the network side will not be able to establish a PCC (Policy Control and Charging, Policy Control and Charging) session for the non-3GPP access user, so that the user's QoS ( Quality of Service, quality of service) is dynamically adjusted, and the location information of the user cannot be obtained in time, etc.

Method used

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  • Method, device and system for establishing PCC (Policy Control and Charging) session
  • Method, device and system for establishing PCC (Policy Control and Charging) session
  • Method, device and system for establishing PCC (Policy Control and Charging) session

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Embodiment Construction

[0029] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are illustrated.

[0030] figure 1 A flowchart showing a method for establishing a PCC session according to an embodiment of the present invention. Such as figure 1 As shown, the method mainly includes:

[0031] In step 100, the PCRF queries the PGW corresponding to the user IP address according to the user IP address in the session request.

[0032] In one embodiment, after receiving the user's session request, extract the user's IP address from the session request; determine whether there is a PGW corresponding to the user's IP address; wherein, if there is a PGW corresponding to the user's IP address The PGW corresponding to the address executes sending a PCC session establishment request to the PGW, and obtains the IP address of the access network gateway from the PGW; if there is no PGW corresponding to the u...

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Abstract

The invention discloses a method, a device and a system for establishing a PCC (Policy Control and Charging) session. The method comprises the steps of according to a user IP address in a session request, querying a PGW corresponding to the user IP address; sending a PCC session establishment request to the PGW, and acquiring an IP address of an access network gateway from the PGW; sending a gateway control session establishment request to the access network gateway with the IP address, establishing session connection with the access network gateway, and acquiring user subscription information from the access network gateway; and generating a PCC rule according to the user subscription information, sending the PCC rule to the PGW so as to facilitate the PGW to execute the PCC rule. According to the method, the device and the system provided by the invention for establishing the PCC session, the PCC session can be established for a non-3GPP (3rd Generation Partnership Project) user based on a network element at the network side without off-line of the user, the user is enabled to perform dynamic adjustment on the QoS (Quality of Service) in real time, and the time delay of the user for acquiring the QoS dynamic adjustment service is reduced.

Description

technical field [0001] The invention relates to the field of intelligent pipes for 3GPP communication, in particular to a method, device and system for establishing a PCC session. Background technique [0002] According to the current 3GPP (3rd Generation Partnership Project, Third Generation Partnership Project) international standard, non-3GPP access can also access the EPC (Evolved PacketCore, evolved packet core network) network; and when non-3GPP access users access , in order to save system resources or for other reasons, the network side may not establish a PCC session for the user. [0003] However, according to the standard, unless the user goes offline and then re-connects to the network, the network side will not be able to establish a PCC (Policy Control and Charging, Policy Control and Charging) session for the non-3GPP access user, so that the user's QoS ( Quality of Service, quality of service) is dynamically adjusted, and the user's location information cann...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/14
CPCH04L12/1407H04L65/1069
Inventor 谢沛荣林清阳陈洁王庆扬曹磊王波
Owner CHINA TELECOM CORP LTD
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