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A method, device, core network and system for switching terminals between base stations in an LTE system

A technology between base stations and core networks, applied in the field of data communication, can solve problems such as poor user experience, achieve the effects of reducing the service release process, enhancing stability, and improving user experience

Active Publication Date: 2019-10-18
NANJING ZHONGXING SOFTWARE
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to provide a method, device, core network and system for terminal switching between base stations in the LTE system, which solves the problem that users can perform services under the signal of the source side base station, because the switching fails to initiate context release, which is quite In order to solve the problem of active call drop, which leads to bad experience for users, it realizes maximum liveness of LTE services after S1 handover failure, improves user experience, enhances the stability of the base station system, and reduces unnecessary service release processes

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  • A method, device, core network and system for switching terminals between base stations in an LTE system
  • A method, device, core network and system for switching terminals between base stations in an LTE system

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Embodiment Construction

[0037] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0038] The present invention aims at the problem in the prior art that it is no problem for the user to conduct business under the signal of the base station on the source side, but because the handover fails to initiate context release, which is equivalent to actively dropping the call, which makes the user feel bad, and provides an LTE system The method, device, core network and system for a terminal to switch between base stations. When it is determined that the switch from the source base station to the target base station fails, the core network sends the generated link keep-alive notification between the source base station and the terminal to the source base station. , so as to realize maximum preservation of user LTE service after handover failure...

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Abstract

The present invention provides a method, device, core network and system for a terminal to switch between base stations in an LTE system. The method for a terminal to switch between base stations in the LTE system includes: detecting that the terminal switches from a source base station to a target base station, and determining that the terminal When the handover from the source base station to the target base station fails, a link keepalive notification between the source base station and the terminal is generated; the link keepalive notification is sent to the source base station to maintain the link between the source base station and the terminal. In this method, when it is determined that the handover from the source base station to the target base station fails, the core network sends the generated link keepalive notification between the source base station and the terminal to the source base station, thereby maximizing the user's LTE service after the handover fails. Keep-alive, improve user experience, enhance base station system stability, and reduce unnecessary service release processes.

Description

technical field [0001] The invention relates to the field of data communication in an LTE mobile communication system, in particular to a method, a device, a core network and a system for switching a terminal between base stations in the LTE system. Background technique [0002] In the LTE mobile communication system, S1 handover is a service processing method for completing service migration between base stations with the help of core network elements. After the normal S1 handover is completed, the core network will notify the base station on the source side to initiate a context release. If an S1 handover failure occurs, the core network may notify the source side to initiate a context release in general scenarios, or the base station on the source side will release it on its own initiative without any notification. [0003] There is a problem with the above-mentioned handling of the handover failure scenario. Most handover scenarios occur not because the source-side sign...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/08
CPCH04W36/08H04W36/18
Inventor 宋涛陈鑫
Owner NANJING ZHONGXING SOFTWARE
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