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Inter-system switching method and device

A technology for reconfiguring and configuring information, which is applied in the field of communication and can solve problems such as low success rate

Active Publication Date: 2020-11-27
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention provides a method and device for inter-system handover, which is used to overcome the problem in the prior art that the success rate of inter-system handover is low when the voice bearer QCI1 is not established when calling

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Embodiment Construction

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0043] In order to facilitate the understanding of the present invention, some existing technologies related to LTE measurement events and cell switching involved in the present invention are firstly introduced.

[0044] First enumerate some several types of measurement reports in the LTE involved in the present invention:

[0045] A1 event (Serving becomes better than threshold): indicates that the signal quality of the serving cell is higher than a certain t...

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Abstract

The embodiment of the invention relates to an inter-system switching method and device. At that time of not establish or not establishing the QCI1 in the method, the network-side device (e. g., base station) will start a delay handover timer, and delays configuration of SRVCC inter-system handoff measurement, When the timer expires, if it is judged that the B2 event measurement configuration has not been made for a terminal at present, a measurement report of the A2 event reported by the terminal was also received, the flag bit measured by B2 is TRUE, and the QCI1 already exists and the SRVCCinter-system handover measurement of the terminal is reconfigured at this time, so that the SRVCC inter-system handover to the 2G network is carried out only after the QCI1 is established, and the success rate of the voice used for handover to the 2G network under the weak coverage condition is effectively improved.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to an inter-system handover method and device. Background technique [0002] In the LTE mobile communication network, VOLTE (Voice Over LTE, voice service based on LTE) is an end-to-end voice solution under all-IP conditions. Currently, VoLTE commercial networks support the eSRVCC (Enhanced Single Radio Voice Call Continuity, enhanced single radio voice call continuity) function. During a voice call after the VOLTE voice bearer QCI1 is established, if the terminal detects that the quality of the current serving cell is poor , the A2 measurement event will be reported, and then the measurement of cell handover or inter-system handover will be started. [0003] However, during the course of the invention, the inventor found that when the RSRP of the LTE signal in the serving cell is low, handover to the 2G network may be initiated. However, in the application pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/00H04W36/14H04W36/30
CPCH04W36/0022H04W36/0083H04W36/14H04W36/30
Inventor 马春芝
Owner DATANG MOBILE COMM EQUIP CO LTD