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Method, gateway, PCRF network element and system for dynamically assigning IP address pool

A technology of IP address and address pool, applied in the direction of transmission system, electrical components, etc., can solve the problem that the PGW cannot allocate IP addresses.

Active Publication Date: 2017-06-16
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] In view of the above technical problems, the present invention provides a method, gateway, PCRF network element and system for dynamically assigning an IP address pool, which solves the problem that the PGW cannot assign an IP address to the UE based on the user location

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  • Method, gateway, PCRF network element and system for dynamically assigning IP address pool

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Embodiment Construction

[0060] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0061] The relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0062] At the same time, it should be understood that, for the convenience of d...

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Abstract

The invention discloses a method, a gateway, a PCRF network element and a system for dynamically assigning an IP address pool. The method comprises the following steps: when receiving a network attachment request of a user terminal, sending an assignment request to the PCRF network element, wherein the assignment request comprises user identification and user position information, so that the PCRF network element can assign the IP address pool to the user terminal according to the user identification and user position information, and returning the assigned IP address pool; and assigning an IP address to the user terminal in the PCRF network element assigned IP address pool. The PGW address pool is subjected to dynamic authorization management through the PCRF network element, thereby solving the problem that the address pool can carry out single distribution only based on APN or IMSI, and realizing dynamic user address pool allocation based on a position strategy and the like.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a method for dynamically assigning an IP address pool, a gateway, a PCRF network element and a system. Background technique [0002] Ordinary users in any location (such as controlled and non-controlled areas) are assigned IP addresses by PGW (PDNGateWay, public data network gateway) according to ANP (access point) and IMSI (International Mobile Subscriber Identity) number segments, and PCRF network Yuan (Policy and ChargingRules Function, policy and charging rule function) network elements do not participate in the allocation of IP addresses, so the network cannot allocate address pools according to the user's credit level, user location, and PGW status. Contents of the invention [0003] In view of the above technical problems, the present invention provides a method, gateway, PCRF network element and system for dynamically assigning an IP address pool, which solves the pr...

Claims

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Application Information

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IPC IPC(8): H04L29/12
CPCH04L61/5061H04L61/5007
Inventor 朱红绿姚良李一明邵震
Owner CHINA TELECOM CORP LTD
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