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Optimization of pdp context usage

A technology of context and user equipment, applied in the direction of network data management, digital transmission system, electrical components, etc., can solve the problem of not giving filtering details or suggestions, and achieve the effect of saving resources, reducing the number, and saving resources

Active Publication Date: 2012-12-12
NOKIA TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the proposal does not give any details or advice on how to apply filtering to the problem

Method used

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  • Optimization of pdp context usage
  • Optimization of pdp context usage
  • Optimization of pdp context usage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0066] in accordance with Figure 4 In the first embodiment shown in the signaling diagram of , the communication connection is initially based on a public IP connection, also called a (generic) PDP context. Furthermore, according to the first embodiment of the present invention, the communication connection is controlled by the Evolved Packet Core (ie the User Plane Entity UPE).

[0067]Initially, the UE establishes a communication connection to the IMS by activating a "Basic IP Connection" or "PDP Context" (eg described in 3GPP draft specification TR 23.882V0.9.0). The initial IP connection or PDP context may be established after the UE attaches to the network, ie the context is "always active" before any session establishment is initiated. It should be noted that the establishment of the initial IP connection or PDP context is shown in a simplified manner, but those skilled in the art know various details, so further description thereof is omitted here.

[0068] When the ...

no. 1 approach

[0087] Similar to the first embodiment, as a modification to the above-mentioned second embodiment, the network element (GGSN) can initiate modification of the existing signaling PDP context. In this case, the GGSN sends a PDP Context Modification Request to the UE after receiving a "Push Authorization" from the PDF / PCRF.

[0088] in accordance with Figure 6 In the third embodiment shown in the signaling diagram of , the communication connection is initially based on a generic PDP context. Furthermore, according to the third embodiment, the communication connection is controlled by the GPRS core (ie, GGSN).

[0089] Initially, the UE establishes a communication connection to the IMS by activating a generic PDP context (eg described in 3GPP specification TS23.228 v.7.1.0).

[0090] When establishing a (first) IMS session with SBLP, the steps required for this establishment (ie messages M41 to M45) are similar to those in the first embodiment (ie messages M1 to M5). The UE r...

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Abstract

In a mechanism for controlling a communication connection with policy control, after the communication connection with policy control is established in a communication network between a user equipment and service providing network element via a network control element on the basis of an initial packet data protocol context, a modification of the initial packet data protocol context for the communication connection is requested or initiated at the network control element. When the modification is authorized, relevant resources for a modified packet data protocol context usable for signalling traffic and transmission of media stream data are set up.

Description

technical field [0001] The present invention relates to a mechanism that can be used to control communication connections with policy control. In particular, the invention relates to a method for controlling a communication connection with policy control, a corresponding system, a corresponding network control element, a corresponding user equipment and a corresponding computer program product, which can be used to control, for example, a user equipment Resource management (eg multiple active packet data protocol (PDP) contexts) of a communication connection with a service providing network (eg IP Multimedia Subsystem (IMS)) is optimized. [0002] For the present invention that will be described hereinafter, it should be noted that: [0003] - A communication device or user equipment can for example be any device by means of which a user can access a communication network; this means mobile as well as non-mobile devices and networks, regardless of the platform on which they a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L47/20H04L47/765H04L47/80
CPCH04W76/041H04L47/24H04L12/5695H04L47/14H04L47/20H04L29/06217H04L47/824H04L47/808H04L29/08576H04W80/00H04L29/06027H04L47/765H04L65/1016H04L67/14H04L47/70H04W76/22H04L65/1101H04W8/04
Inventor J·拉萨南J·萨尔雅
Owner NOKIA TECH OY
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