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Method and device for avoiding call drop of user equipment

A user equipment and community technology, applied in the direction of advanced technology, climate sustainability, sustainable communication technology, etc., can solve problems such as poor customer experience, UE call drop, confusion, etc., to reduce signaling storms, improve experience, Reduce the effect of dropped calls

Inactive Publication Date: 2015-10-14
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When the mobile communication network is deployed on a large scale, there will be physical cell identification code (PCI, Physical Cell Id) conflict or confusion in the network. As a result, a large number of UEs in the cell are dropped, and the customer experience is not good.

Method used

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  • Method and device for avoiding call drop of user equipment
  • Method and device for avoiding call drop of user equipment
  • Method and device for avoiding call drop of user equipment

Examples

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Embodiment Construction

[0018] figure 1 It is a flow chart of the basic steps of the method for preventing UE call drop in the present invention, such as figure 1 As shown, the method for preventing UE call drop in the present invention includes:

[0019] 101: Before switching off the cell, the base station sends a measurement request to the UE with services in the cell, instructing the UE to measure the quality of the neighboring cell.

[0020] 102: When receiving a measurement report that meets the measurement requirements reported by the UE within a predetermined time, the base station handovers or redirects the UE to the target cell according to the content of the measurement report.

[0021] In the LTE communication system, the information of each E-RAB (Evolved-Radio Access Bearer, evolved radio access bearer) of the established data radio bearer will be saved in the UE context, and the base station can use the E-RAB establishment status of the UE to Judging whether the UE has services, for e...

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Abstract

The present invention relates to a method and device for avoiding the call drop of a user equipment when a cell in a wireless communication system is shut off. The method comprises: before a cell is shut off, issuing a measurement request to a UE having a service in the cell, so as to instruct the UE to measure the quality of a neighbour cell; and when a measurement report satisfying measurement requirements reported by the UE is received within a pre-determined time period, switching or redirecting the UE to a target cell according to the content of the measurement report. By means of the method or device of the present invention, the call drop of a user equipment can be reduced, thereby improving the user experience.

Description

technical field [0001] The invention relates to the field of mobile communication systems, in particular to a method and a device for preventing user equipment (UE, User Equipment) from dropping calls when cells are turned off in the mobile communication system. Background technique [0002] When the mobile communication network is deployed on a large scale, there will be physical cell identification code (PCI, Physical Cell Id) conflict or confusion in the network. As a result, a large number of UEs in the cell are dropped, and customer experience is poor. Contents of the invention [0003] The present invention makes improvements to the above-mentioned problems in the mobile communication system, that is, the technical problem to be solved by the present invention is to provide a method and device for preventing UE call drop, which can effectively avoid cell shutdown caused by Call drop of a large number of UEs in a cell. [0004] In order to solve the above-mentioned ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/04H04W36/30H04W48/02
CPCH04W24/10H04W36/30H04W48/02Y02D30/70
Inventor 贾伟
Owner ZTE CORP
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