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Base station user data recovery method and device

A base station user and user plane data technology, applied in connection management, wireless communication, network traffic/resource management, etc.

Inactive Publication Date: 2018-07-20
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the MME has changed, how to restore the user data of the base station has not been resolved

Method used

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  • Base station user data recovery method and device
  • Base station user data recovery method and device
  • Base station user data recovery method and device

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Embodiment Construction

[0079] In order to understand the characteristics and technical contents of the embodiments of the present invention in more detail, the implementation of the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. The attached drawings are only for reference and description, and are not intended to limit the embodiments of the present invention.

[0080] image 3 It is a schematic flowchart of a method for recovering user data of a base station according to an embodiment of the present invention Figure 1 , in this example, the control plane NE of the core network is MME as an example for illustration, for example image 3 As shown, the method for recovering user data of the base station includes the following steps:

[0081] Step 301: After receiving the RRC connection recovery request sent by the UE, the target base station obtains the user context; according to the source MME information in the user context, it...

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Abstract

The invention discloses a base station user data recovery method and device. The method comprises the following steps: when receiving an RRC connection recovery request sent by UE, a target base station acquires a user context and determines that a source MME is unreachable; the target base station sends an RRC connection recovery message to the UE; after receiving an RRC connection recovery completion message sent by the UE, the target base station selects a target core network control plane network element according to a current position, and sends an initial UE message to the target core network control plane network element, wherein the initial UE message carries an identifier used for indicating an existing user context of the base station; and after receiving a user context modification request sent by the target core network control plane network element, the target base station allocates base station user plane information, saves core network user plane information, and sends auser context modification response message to the target core network control plane network element.

Description

technical field [0001] The invention relates to user state recovery technology in the field of next-generation wireless communication, in particular to a method and device for recovering user data of a base station. Background technique [0002] Mobile communication has been developed to the fourth generation (4G, 4 th Generation) stage, compared with the previous generations, the 4G network architecture is mainly characterized by the transmission based on the full Internet Protocol (IP, Internet Protocol). figure 1 It is a schematic diagram of 4G network architecture. The functions of each network element in the network architecture are as follows: [0003] User Equipment (UE, User Equipment): It mainly accesses the 4G network and obtains services through the wireless air interface. The terminal exchanges information with the base station through the air interface, and through the Non-Access Stratum (NAS, Non-Access Stratum) signaling and the mobility of the core network ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/02H04W36/00H04W64/00H04W76/20
CPCH04W28/0226H04W36/0033H04W64/00
Inventor 朱进国梁爽
Owner ZTE CORP
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