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ISR deactivating method and ISR deactivation instructing device

A technology of indicating device and deactivation, applied in the field of communication, can solve the problem of inappropriateness and inability to guarantee the correct execution of the ISR deactivation process, and achieve the effect of preventing process errors

Inactive Publication Date: 2015-10-28
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In summary, it can be seen that it is inappropriate to use the same processing method for the deregistration in the above scenario as the deregistration caused by the UE shutdown, and it cannot guarantee the correct progress of the ISR deactivation process.

Method used

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  • ISR deactivating method and ISR deactivation instructing device
  • ISR deactivating method and ISR deactivation instructing device
  • ISR deactivating method and ISR deactivation instructing device

Examples

Experimental program
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Effect test

Embodiment 1

[0054] In this embodiment, the UE that has activated the ISR has not performed a TAU or RAU to contact the network side for a long time, and the MME or the SGSN initiates the deregistration of the UE. In the following, the MME initiates deregistration of the UE as an example for description. The deregistration process initiated by the SGSN is similar to this process and will not be repeated here. like image 3 shown, including the following processing:

[0055] Step 301, the MME initiates the process of deregistering the UE. If the deregistration is caused by the UE not communicating with the network for a long time and the timer expires, the MME will not send a deregistration message to the UE; the MME will send the deregistration message to notify the UE of deregistration due to other reasons , and the message carries a deregistration type, and the deregistration type is used to notify the UE of subsequent operations.

[0056] In step 302, the MME sends a delete bearer re...

Embodiment 2

[0068] In this embodiment, the HSS subscribes to restrict access to the EPS or GPRS network, causing the MME to initiate logout of the EPS network or the SGSN to log out of the GPRS network. In this scenario, the UE has activated the ISR. like Figure 4 shown, including the following processing:

[0069] In step 401, if the subscription data of the HSS changes and the UE is expected to be prohibited from using the EPS network, the HSS sends a location cancellation request to the MME, wherein the cancellation reason is subscription prohibition.

[0070] Step 402, if the reason for the location cancellation is subscription prohibition, the MME will send a deregistration request to the UE.

[0071] In step 403, the MME sends a bearer deletion request to the S-GW, which carries the TEID.

[0072] In step 404, the S-GW deletes the bearer context established with the MME, and sends back a delete bearer response to the MME.

[0073] Step 405, the MME sends an ISR deactivation not...

Embodiment 3

[0083] The ISR deactivation method provided by the embodiment of the present invention is also applicable to the current deregistration process caused by the shutdown of the UE. like Figure 5 As shown, the deregistration process initiated by the shutdown of the ISR-activated UE to which the present invention is applied includes the following processing:

[0084] In step 501, the UE initiates a deregistration request, which carries GUTI and a Switch off indication, and the indication is used to indicate the reason for deregistration to the network.

[0085] In step 502, the MME sends a delete bearer request to the S-GW, which carries the TEID.

[0086] In step 503, the S-GW deletes the bearer context established with the MME, and sends back a delete bearer response to the MME.

[0087] Step 504: The MME sends an ISR deactivation notification message to the ISR-activated SGSN according to the originally stored UE-related information, which indicates that the deregistration of...

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Abstract

A method for detaching network, a method for deactivating ISR and an indicating device thereof are provided in the present invention, wherein the method for deactivating ISR includes: when a registration state of a user equipment of a current core network node in a pair of core network nodes with ISR activated is changed, sending an ISR deactivating message to an associated core network node and indicating the associated core network node to perform related operation, wherein the related operation comprises one of the following: ISR deactivation, ISR deactivation and bearer deletion. Through the present invention, the ISR deactivation flow could be implemented correctly and the flow error due to the asynchronous ISR state and the resource waste due to the invalid information could be prevented.

Description

[0001] This application is a divisional application of the original application with the application number: 200810127564.6, the application date: June 27, 2008, and the invention name is "ISR deactivation method and ISR deactivation indicating device". technical field [0002] The present invention relates to the communication field, in particular to an ISR deactivation method, an ISR deactivation indicating device, a mobility management entity, and a serving GPRS support node. Background technique [0003] In order to maintain the competitiveness of the third generation mobile communication system in the communication field, the 3GPP (3rd Generation Partnership Project, 3rd Generation Partnership Project) standard working group is working on the research of EPS (Evolved Packet System, evolved packet domain system). EPS system such as figure 1 As shown, it mainly includes two parts: E-UTRAN (Evolved Universal Terrestrial Radio Access Network, Evolved Universal Terrestrial R...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W60/06H04W76/04
CPCH04W60/06H04W76/046H04W76/27
Inventor 梁爽王静朱进国卢飞
Owner ZTE CORP
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