User's device attaching method

A technology of user equipment and equipment, which is applied in the field of communication, can solve the problems of not being able to know the P-CSCFIP address and not being able to register with IMS, and achieve the effect of simplifying the signaling process of establishing user service connections and reducing service connection delays

Active Publication Date: 2008-07-30
HUAWEI TECH CO LTD
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  • Abstract
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Problems solved by technology

[0029] The purpose of the present invention is to provide a user equipment attachment method, aiming to solve the problem in the prior art that UE cannot know the IP address of P-CSCF during the attachment process, resulting in the inability to register in the IMS after the attachment is completed

Method used

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Embodiment Construction

[0044] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0045] The present invention obtains the IP address of the P-CSCF in the process of UE attachment in the evolved packet core network, and can register in the IMS after the user equipment attaches, so that the evolved packet core network can provide a default IP address after the UE attaches. IP access service.

[0046] Figure 5 It shows the implementation process of the UE attaching in the evolved packet core network in the present invention, and the details are as follows:

[0047] 1. The UE sends a network discovery and access system selection message (Network Discovery and Access System Selec...

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Abstract

The present invention provides 3 GPP evolution network user equipment attachment method, suitable for mobile communication field, which contains when user equipment user equipment originating attachment request to core network, indicating whether needing calling session control proxy functional entity P- CSCF IP address. The present invention obtains P- CSCF IP address in UE attachment process, after attachment completing UE capable of making IMS registry, for simplifying subscriber service connection establishment signaling process and reducing service connection time delay.

Description

technical field [0001] The invention belongs to the communication field, and in particular relates to a user equipment attachment method. Background technique [0002] The existing GPRS (General Package Radio Service, General Packet Radio Service) / UMTS (Universal Mobile Telecommunications System, Universal Mobile Telecommunications System) network structure is as follows: figure 1 As shown, a structure similar to that of the second generation mobile communication system is adopted, including UMTS (Universal Mobile Telecommunications System, universal mobile communication system) terrestrial radio access network (UMTSTerritorial Radio Access Network, UTRAN), GSM / EDGE radio access network ( GSM / EDGE Radio Access Network, GERAN), core network (Core Network, CN) and user equipment (User Equipment, UE). Among them, GERAN / UTRAN is used to implement all wireless-related functions, while CN handles all voice calls and data connections in the GPRS / UMTS system, and is used to impleme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/38H04L29/06H04W8/26H04W76/02
Inventor 吴问付胡伟华叶文林朱志明张进王旭
Owner HUAWEI TECH CO LTD
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