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Circuit field service paging implementing method and apparatus

A technology of circuit domain services and implementation methods, applied in the field of paging implementation of circuit domain services, capable of solving problems such as inability to receive CS calls

Inactive Publication Date: 2008-10-29
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When UE is in figure 2 When the tracking area list registered in the first step shown in the first step is within the scope of the registered tracking area list, if the user to which the UE belongs has a call and the user is the called user, when the MSC / VLR needs to perform paging, because there is no SGs association information between MMEs, so MSC / VLR will only page UE in UMTS / GSM network through IU-CS / A interface, and will not initiate CS paging in EPS network through SGs interface. However, because UE It is only accessed in the EPS network, and cannot be paged in the CS domain of the UMTS / GSM network, so the MSC / VLR cannot page the UE, that is, the user to which the UE belongs cannot receive the CS call in this case
There is no technical solution to solve the above problems at present

Method used

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  • Circuit field service paging implementing method and apparatus
  • Circuit field service paging implementing method and apparatus
  • Circuit field service paging implementing method and apparatus

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Embodiment Construction

[0056] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

[0057] Method embodiment

[0058] As can be seen from the above description, if the MSC / VLR can always normally perform paging of CS services, the MSC / VLR needs to keep the SGs association relationship when the ISR is activated. However, because there is no Gs interface between MSC / VLR and SGSN, in figure 2 In the case shown, when the UE accesses ISR activation from UMTS / GSM, the SGSN cannot pass the ISR activation information to the MSC / VLR. Moreover, the UE does not know the ISR activation until it receives the ISR activation information carried in the routing area update accept message sent by the SGSN. At this time, the LAU process may have ended, and there is no guarantee...

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Abstract

The invention discloses a method and device for realizing circuit domain service paging, which comprise the steps that a position updating request message is received by a mobile switching center / a visitor location register through a global mobile communication system / a general mobile communication system, i.e. GERAN / UTRAN; the existence of SGs association to a mobile management entity is judged,and then the SGs association is kept continuously; paging is carried out by an IU-CS / A interface and an SGs interface respectively when paging is carried out by the mobile switching center / the visitor location register. By the technical proposal, the UE can always be paged by MSC / VLR.

Description

technical field [0001] The present invention relates to the field of communications, and in particular, to a method and device for implementing circuit domain service paging. Background technique [0002] At present, the standardization working group of the 3rd Generation Partnership Project (3GPP) is working on the research on Packet Switched Core (PS Core) and GSM radio access network. (Universal Mobile Telecommunication System Radio Access Network, referred to as UTRAN) evolution, the purpose is to make the evolved PS Core (abbreviated as EPC) can provide higher transmission rate, shorter transmission delay, and support Evolved UTRAN (Evolved UTRAN) , referred to as E-UTRAN), Global System for Mobile communications Enhanced Data Rate for GSM Evolution radio access network (Global System for Mobile communications Enhanced Data Rate for GSM Evolution radio access network, referred to as GERAN), UTRAN, wireless local area network Mobility management between Wireless Local A...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04L12/56H04L47/2466
Inventor 胡英宗在峰朱进国
Owner ZTE CORP
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