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Mobile network switching method and device for user equipment

A technology of user equipment and mobile network, applied in the field of mobile network, can solve the problems of call failure, not supporting aSRVCC, failure, etc., to achieve the effect of enhancing the experience and ensuring the quality of the call

Active Publication Date: 2018-05-25
DATANG MOBILE COMM EQUIP CO LTD
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AI Technical Summary

Problems solved by technology

However, the core network equipment in the current VoLTE commercial network does not support aSRVCC and bSRVCC
Moreover, the SIP (Session Initiation Protocol, Session Initiation Protocol) signaling on the QCI5 may also fail to be transmitted in the weak coverage area, resulting in call failure

Method used

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  • Mobile network switching method and device for user equipment
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  • Mobile network switching method and device for user equipment

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Embodiment Construction

[0070] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0071] One of the core ideas in the embodiment of the present invention is that when the base station receives the reconfiguration message established by QCI (QoS Class Identifier, scale value) 1, it will judge whether it meets the threshold of the voice of the different system A2, and if so, configure the different system voice for the user equipment. System voice B2 measurement, and the establishment of QCI1 is rejected when the call is made with weak coverage. QCI1 is a dedicated bearer for VoLTE (Voice over LTE) establishment, and is used to transmit voice. LTE (Long Term Evolution, long-term evolution) refers to the LTE network , it can be seen that the existing technology is very dependent on the A2 threshold of the heterogen...

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Abstract

The embodiment of the invention provides a mobile network switching method and device for user equipment. The user equipment and a base station communicate with each other, and the method includes thefollowing steps: the base station receives a call request triggered by the user equipment; the base station acquires a current call signal strength parameter in response to the call request; the basestation judges whether the current call signal strength parameter meets a threshold; when the current call signal strength parameter meets the threshold, the base station adopts a GSM network to communicate with the user equipment; and when a current ambient signal strength parameter does not meet the threshold, the base station uses an LTE network to communicate with the user equipment. The current call signal strength parameter is used to replace an original different system voice A2 threshold, and through the periodic MR, BLER and background noise-related algorithms, a voice scheme used bythe user equipment can be accurately judged, the installation amount of additional physical equipment can be reduced, and the optimal call quality can be guaranteed.

Description

technical field [0001] The present invention relates to the technical field of mobile networks, in particular to a mobile network switching method for user equipment and a mobile network switching device for user equipment. Background technique [0002] At present, VoLTE (Voice Over LTE, voice transmission based on LTE) commercial network supports eSRVCC (Enhanced Single Radio Voice Call Continuity, enhanced single wireless voice call continuity) function, which is established in QCI (QoS Class Identifier, scale value) 1 During the subsequent voice call, if the LTE (LongTerm Evolution, long-term evolution) signal RSRP (Reference Signal Receiving Power, reference signal receiving power) is low, it will switch to the 2G (2-Generation wireless telephone technology, second-generation mobile phone communication technology) network . However, there will be weak coverage when the QCI1 is not established when the call is made. The agreement stipulates that the core network needs to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/14H04W36/30H04W88/06
CPCH04W36/0011H04W36/0083H04W36/14H04W36/30H04W88/06
Inventor 武瀚林
Owner DATANG MOBILE COMM EQUIP CO LTD
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