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Connection establishment method and device

A technology for establishing connections and devices, which is applied in the field of communication, and can solve problems such as PDN connections occupying network resources, and achieve the effects of reducing network planning workload, reducing signaling overhead, and saving APN resources

Inactive Publication Date: 2013-07-31
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the embodiments of the present invention is to provide a method for establishing a connection, aiming at solving the signaling overhead caused by the PDN connection priority modification mechanism to the network when the network does not support the characteristics of multiple PDN connections of the same APN, and how to prevent low Priority UEs have been using standard priority PDN connections to occupy a large amount of network resources

Method used

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  • Connection establishment method and device

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Embodiment 1

[0059] reference figure 1 , figure 1 It is a flowchart of a method for establishing a connection provided in the first embodiment of the present invention, and the method includes the following steps:

[0060] Step 101: When the network does not support the single access point name APN multi-packet data network PDN connection feature, and the APN corresponding to the second PDN connection requested by the user equipment to be established is the APN corresponding to the first PDN connection established by the user equipment When the same, the mobility management entity MME determines whether the second priority of the second PDN connection is the same as the first priority of the first PDN connection;

[0061] In this step, when the network does not support the single access point name (Access Point Name, APN) multi-packet data network (Packet Data Network, PDN) connection feature, the mobility management entity (Mobility Management Entity, MME) receives the user equipment (User Equ...

Embodiment 2

[0112] reference Figure 5 , Figure 5 It is a flowchart of a method for establishing a connection provided in the second embodiment of the present invention, such as Figure 5 As shown, the method includes the following steps:

[0113] Step 501: The user equipment receives a notification message sent by the MME, where the notification message carries information indicating that the network does not support the feature of a single APN multiple PDN connection;

[0114] Specifically, refer to Image 6 In step 605, the user equipment receives the registration reception request of the MME, and the request carries information indicating whether the network supports a single APN multiple PDN connection feature.

[0115] Step 502: When the APN corresponding to the second PDN connection requested by the user equipment is the same as the APN corresponding to the first PDN connection established by the user equipment, and the second priority of the second PDN connection is the same as the When...

Embodiment 3

[0136] reference Picture 8 , Picture 8 It is a flowchart of a method for establishing a connection provided in the third embodiment of the present invention. The method includes the following steps:

[0137] In steps 801-807, the UE initiates a PDN connection establishment request of standard priority, and the MME establishes a session on the SGW, PDN-GW and PCRF;

[0138] Step 808: After the MME receives the second PDN connection establishment request with the standard priority, if the APN of the first PDN connection established by the UE is the same as the APN of the second PDN connection, but the APN of the first PDN connection The first priority is lower than the second priority of the second PDN connection, and the MME carries the priority timer information in the second PDN connection message. When the timer expires, the UE needs to update the second priority of the second PDN connection to a low priority. Otherwise, the MME initiates a PDN connection deletion procedure t...

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Abstract

The invention provides a connection establishment method and device. The method is as follows: when a network does not support the characteristics of a multi-PDN connection of a single APN, judging whether an APN corresponding to a second PDN connection which is requested to be established by a piece of user equipment is identical with an APN corresponding to a first PDN connection already established by the user equipment; and if identical, and priorities are different, a mobility management entity instructs the network to delete a context connected with the first PDN and to establish a context connected with the second PDN. So when the network does not support the characteristics of the multi-PDN connection of the single APN, PDN connections of different signaling priorities can be established for the same APN without deletion of the original PDN connection by the UE so that signaling overheads and netiquette work loads are reduced and APN resources are saved.

Description

Technical field [0001] The invention belongs to the field of communications, and in particular relates to a method and equipment for establishing a connection. Background technique [0002] In a mobile communication network, User Equipment (UE) needs to initiate the establishment of a signaling process and the data channel of the network to forward service data packets. The UE and the network may establish multiple bearer channels on the data channel, where these bearer channels may have different quality of service guarantees, and different types of service data packets are transmitted on different bearer channels. When the UE initiates signaling procedures such as data channel establishment and bearer channel establishment, it carries a signaling priority indicator in the signaling message to indicate the priority of the data channel. The signaling priority indication information is mainly used for overload control and charging. The mobility management entity (Mobility Managem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W76/02
CPCH04W76/025H04W72/04H04W76/15H04W76/12H04W76/32
Inventor 戚彩霞舒林
Owner HUAWEI TECH CO LTD
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