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Control method, system and device for circuit field fall-back

A circuit domain fallback and control method technology, applied in the field of communications, can solve the problem of only forcing the circuit domain fallback, etc., to achieve the effects of improving satisfaction, ensuring availability, and reducing invalid occupancy

Active Publication Date: 2008-07-16
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0048] Considering the above problems, the present invention is made. Therefore, the main purpose of the present invention is to provide a control mechanism for circuit domain fallback, so as to solve the problem in the related art that only the circuit domain fallback can be enforced.

Method used

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  • Control method, system and device for circuit field fall-back
  • Control method, system and device for circuit field fall-back
  • Control method, system and device for circuit field fall-back

Examples

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Embodiment 1

[0097] A circuit domain fallback control method is provided, which is applied to the scene where a calling UE initiates a call to a called UE in an evolved packet domain system network.

[0098] As shown in FIG. 6, the method for controlling CS fallback according to this embodiment includes: step S602, the network element in the CS domain that knows the call information of the call initiated by the calling UE to the called UE notifies the mobility management of the call information entity; step S604, the mobility management entity notifies the called UE of the call information; step S606, the called UE determines whether to perform CS fallback according to whether the user answers the call or the preset CS fallback principle.

[0099] On the one hand, when the network element is a mobile switching center / visitor location register (MSC / VLR), the MSC / VLR notifies the mobility management entity of the call information by carrying the call information in the circuit domain paging m...

Embodiment 2

[0151]In this embodiment, a CS fallback control method is provided, which is applied to a scenario where a calling UE initiates a call to a called UE in an evolved packet domain system network.

[0152] As shown in FIG. 13 , the method for controlling CS fallback according to this embodiment includes: step S1302, the network element in the CS domain that knows the call information of the call initiated by the calling UE to the called UE notifies the mobility management of the call information Entity; step S1304, the mobility management entity determines whether to perform CS fallback according to the preset circuit domain fallback principle; step S1306, the mobility management entity sends the call information and the indication information whether to perform CS fallback for this call to the called party UE.

[0153] On the one hand, when the network element is MSC / VLR, MSC / VLR notifies the mobility management entity of the call information by carrying the call information in ...

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Abstract

The invention discloses a method for controlling a circuit domain fallback which comprises the following steps that: a network element which acquires the call information of the call launched to called user equipment by calling user equipment in a circuit domain informs a mobility management entity of the call information; the mobility management entity informs the called user equipment of the call information; the called user equipment determines whether or not to have circuit domain fallback according to whether a user responds the call or a preset rule of the circuit domain fallback. Through using the invention, the invention can realize the control on the calling circuit domain fallback by the user when the user in an EPS network is used as the called user, thereby ensuring the usability of EPS network services, increasing the satisfaction degree of the user and reducing the invalid occupation on UMTS / GSM network resource.

Description

technical field [0001] The present invention relates to the field of communications, and in particular, to a control method, system, and device for circuit domain fallback. Background technique [0002] In order to maintain the strong competitiveness of the third generation mobile communication system in the field of mobile communication, it is necessary to improve its network performance and reduce network construction and operation costs. [0003] Therefore, the standardization working group of 3GPP (3rd Generation Partnership Project, 3rd Generation Partnership Project) is currently working on the research on packet switching core network (PacketSwitched Core, PS Core) and global mobile communication system radio access network (Universal Mobile Telecommunication System The evolution of Radio AccessNetwork, UTRAN) aims to enable the evolved PS Core (EPC for short) to provide higher transmission rates, shorter transmission delays, and support E-UTRAN (Evolved UTRAN, evolve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04L12/56H04W8/12H04W36/00H04W76/02
CPCH04W8/12H04W36/0022H04W76/027H04W76/18
Inventor 胡英余志铭宗在峰叶敏雅王志海
Owner ZTE CORP
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