Gateway equipment load processing method, network equipment and network system

A technology of gateway equipment and processing methods, which is applied in transmission systems, network connections, digital transmission systems, etc., can solve problems such as service interruption, network paralysis, and increased air interface burden, and achieve the effect of avoiding increased overhead and business interruption

Active Publication Date: 2010-03-17
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the process of realizing the present invention, the inventor found that the existing technology has at least the following problems: the separation of the UE will lead to the s

Method used

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  • Gateway equipment load processing method, network equipment and network system
  • Gateway equipment load processing method, network equipment and network system
  • Gateway equipment load processing method, network equipment and network system

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0044] figure 1 It is a schematic flowchart of Embodiment 1 of the gateway device load processing method of the present invention, including:

[0045] Step 11: When the source SGW needs to offload the UE, the MME selects a target SGW that can serve the UE. The target SGW in the present invention is an SGW different from the source SGW. This embodiment takes the SGW as an example, and it may also be other gateway devices, such as a GPRS Gateway Support Node (Gateway GPRS Support Node, GGSN for short) in General Packet Radio Service (GPRS for short). The SGW may need to uninstall the UE due to the need for upgrade or maintenance.

[0046] Step 12: The MME migrates the UE from the source SGW to the target SGW. Wherein, the MME can select the target SGW when it knows that the source SGW needs load migration (see the following embodiments 2 and 3 for details), or the eNodeB can trigger the SGW load migration process to prompt the MME to select the target SGW (see the following im...

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Abstract

The invention discloses a gateway equipment load processing method, network equipment and a network system. The gateway equipment load processing method comprises the following steps: when source gateway equipment needs to unload user equipment, selecting target gateway equipment capable of serving the user equipment; and transferring the user equipment from the source gateway equipment to the target gateway equipment. When the source gateway equipment needs to unload the user equipment, the embodiment of the invention can transfer the user equipment to the target gateway equipment capable ofserving the user equipment, and avoid the problems of service interruption caused by separating the user equipment, and extremely high overhead caused by the reattachment of the user equipment.

Description

technical field [0001] The invention relates to mobile communication technology, in particular to a gateway device load processing method, network device and network system. Background technique [0002] In order to adapt to the development of mobile communication networks, a Long Term Evolution (LTE for short) / System Architecture Evolution (SAE) project has emerged. The network elements in the SAE system architecture include evolved base stations (Evolved NodeB, eNodeB for short) , a Mobility Management Entity (MME for short), a Serving Gateway (SGW for short), a Packet Data Network Gateway (PGW for short), and a Home Subscriber Server (HSS for short). eNodeB provides wireless resources for the access of User Equipment (UE for short); MME is a control plane functional entity that processes all non-access stratum messages with UE, such as authentication and paging for UE; The SGW is a user plane functional entity, responsible for user plane data routing processing, manageme...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/66
CPCH04W28/02
Inventor 张进孙晓姬
Owner HUAWEI TECH CO LTD
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