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Method for establishing default bearing

A technology of default bearer and establishment method, applied in the field of communication

Inactive Publication Date: 2011-01-19
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0025] It can be seen from the above description that when the UE moves from UTRAN coverage to E-UTRAN coverage, MME finds that there is no suitable bearer mapping as the default bearer or does not exist at all When carrying the bearer, the MME will reject UE access and separate the UE, which will lead to discontinuity of services
However, no technical solutions have been proposed to solve the above problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Preferably, the above-mentioned process of initiating the establishment of the default bearer may specifically be: the MME sends a bearer establishment request to the packet data network gateway (PGW) via the serving gateway (SGW), requests to create a new default bearer, and carries the information required for establishing the default bearer in the bearer establishment request. parameter information; the PGW continues to initiate the process of establishing the default bearer.

[0058] Preferably, the above-mentioned process of initiating the establishment of the default bearer may specifically include: the MME sends a resource allocation request to the PGW via the SGW, requesting to create a new default bearer, and carries parameter information required for establishing the default bearer in the resource allocation request; the PGW continues to initiate the default bearer build process.

[0059] Specifically, the PGW continues to initiate the default bearer establish...

example 1

[0062] Example 1: During the TAU process of the UE, when the MME finds that there is no suitable bearer mapped as the default bearer, the MME uses the bearer setup request message to notify the PGW to establish the default bearer via the SGW.

[0063] Below, in conjunction with accompanying drawing, above-mentioned technical solution is described in detail, Figure 4 is a signaling flowchart of Example 1 according to an embodiment of the present invention, such as Figure 4 shown, including the following processing:

[0064] Step 401, the UE moves to the E-UTRAN coverage area under the MME, sends a tracking area update request to the MME, and requests to register in the new area, and the request message carries the P-TMSI allocated by the SGSN for the UE;

[0065] Step 402, the MME finds the SGSN according to the P-TMSI identifier, and sends a context request signaling to perform a context acquisition process;

[0066] Step 403, the SGSN sends the user's mobility management ...

example 2

[0091] Example 2: During the TAU process of the UE, when the MME finds that there is no suitable bearer mapped as the default bearer, the MME uses the resource allocation request message to notify the PGW to establish the default bearer via the SGW.

[0092] Below, in conjunction with accompanying drawing, above-mentioned technical solution is described in detail, Figure 5 is a signaling flow chart of Example 2 according to an embodiment of the present invention, such as Figure 5 shown, including the following processing:

[0093] Step 501, the UE moves to the E-UTRAN coverage area under the MME, sends a tracking area update request to the MME, and requests to register in the new area, and the request message carries the P-TMSI allocated by the SGSN for the UE;

[0094] Step 502, the MME finds the SGSN according to the P-TMSI identifier, and sends the context request signaling to perform the context acquisition process;

[0095] Step 503, the SGSN sends the user's mobility...

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Abstract

The invention discloses a method for establishing default bearing, comprising the steps as follows: an establishing process for default bearing is launched by Mobile Management Entity (MME) after user contract data is acquired by MME during the updating in the tracking area,. By the virtue of the technical proposal, business continuity can be guaranteed by establishing default bearing.

Description

technical field [0001] The present invention relates to the communication field, and in particular, relates to a method for establishing a default bearer. Background technique [0002] With the sudden emergence of World Interoperability for Microwave Access (Wimax), the third generation mobile communication system must improve its network performance and reduce network construction and Therefore, the standardization working group of the 3rd Generation Partnership Project (3rd Generation Partnership Project, referred to as 3GPP) is currently working on researching the packet switching core network (Packet Switch Core, referred to as PS Core) and the wireless network of the global system for mobile communication. The evolution of the access network (Universal Mobile Telecommunication System Radio Access Network, referred to as UTRAN), the subject of this research is called System Architecture Evolution (referred to as SAE), the purpose is to make the evolved packet network (Ev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W76/02H04B7/26
Inventor 卢飞朱进国梁爽王志海
Owner ZTE CORP