CN102036377B - Method, system and network element for initiating active paging - Google Patents

Method, system and network element for initiating active paging Download PDF

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Publication number
CN102036377B
CN102036377B CN2011100288814A CN201110028881A CN102036377B CN 102036377 B CN102036377 B CN 102036377B CN 2011100288814 A CN2011100288814 A CN 2011100288814A CN 201110028881 A CN201110028881 A CN 201110028881A CN 102036377 B CN102036377 B CN 102036377B
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gateway
network
carrying
downlink data
network element
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CN102036377A (en
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王胡成
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Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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Priority to CN2011100288814A priority Critical patent/CN102036377B/en
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Priority to PCT/CN2012/070608 priority patent/WO2012100717A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W68/00User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005Transmission of information for alerting of incoming communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/18Management of setup rejection or failure

Abstract

The invention provides a method, a system and a network element for initiating active paging, belonging to the field of communication. The method comprises the following steps that a first network element receives a downstream data notification message sent by a service gateway, wherein the downstream data notification message contains a carrier mark; and the first network element judges whether the carrier mark exists in a carrier context stored by the first network element or not; if not, the first network element sends an error of a nonexistent carrier corresponding to the carrier mark to the service gateway, then the service gateway sends a notification of the nonexistent carrier to a public data network gateway, and the public data network gateway stops sending downstream data to the service gateway through the carrier and release resources of the carrier; and if the carrier mark exists, the first network element initiates paging. The invention can report that the carrier does not exist to the service gateway when paging fails due to asynchronous MME/SGSN in the carrier context, and PDN GW stops sending the downstream data to SGW to save the network resources.

Description

A kind of method, System and Network network element for initiating active paging
Technical field
The present invention relates to the communications field, particularly a kind of method, System and Network network element for initiating active paging.
Background technology
In existing 3GPP (3rd Generation Partnership Project, third generation partner program) agreement, among the EPS (Evolved Packet System, evolved packet system), adopt new core network architecture.Referring to Fig. 1, comprise UTRAN (UniversalTelecommunication Radio Access Network in this new core network architecture, the all purpose communication Radio Access Network) and E-UTRAN (Evolved Universal Telecommunication Radio Access Network, the all purpose communication Radio Access Network of evolution) two kinds of access networks, UTRAN and E-UTRAN be the user mobility control and management entity of correspondence respectively, be SGSN (Serving General Packet Radio Service Support Node, the packet wireless business serving GPRS support node) and MME (Mobility Management Entity, Mobility Management Entity) be common the existence.As UE (User Equipment, when subscriber equipment) being linked into UTRAN or E-UTRAN, UTRAN or E-UTRAN will select a SGSN or MME for UE, SGSN or MME are that UE selects a SGW (Serving Gateway, gateway) and PDN GW (PublicData Networks Gateway, public data network gateway).
The EPS carrying refers to the logic polymerization of the one or more SDF (Service Data Flow, business data flow) between UE and PDN GW, in communication network, in order to save Internet resources, UE does not set up carrying with gateway usually under idle condition, when UE is used, set up carrying again.Comprise dual mode when setting up carrying, wherein a kind of mode is that UE initiatively sends connection request to SGW, for example the process of user's outgoing call.Another kind of mode is that SGW carries out active paging to UE, the called process of user mobile phone for example, and SGW will be by initiatively triggering MME/SGSN initiation paging, and the process of setting up of this paging is called Paging.
Initiatively triggering MME/SGSN with SGW carries out after the method that active paging explanation SGW in the mechanism of existing 3GPP agreement carries out active paging: SGW receives the downlink data Downlink Data that is sent by certain carrying by PDN GW, send downlink data notification message Downlink DataNotification to MME/SGSN, notice MME/SGSN should carry downlink data, after MME/SGSN receives DownlinkData Notification, initiate paging.
But the inventor finds that there is following shortcoming at least in above-mentioned prior art:
In the prior art in initiating paging, owing to the nonsynchronous reason of bearer context, might cause to carry among the MME/SGSN and delete, but should carry situation about still existing between PDN GW and the MME/SGSN, after MME/SGSN receives Downlink Data Notification, find that carrying did not exist, then initiate paging failure, PDN GW still can send downlink data to SGW always before not receiving the response that creates the paging success, can take Internet resources, waste bandwidth like this.
Summary of the invention
The problem that exists in order to solve prior art median surface engine the present invention proposes a kind of method, System and Network network element for initiating active paging.Described technical scheme is as follows:
The present invention proposes a kind of method for initiating active paging, described method comprises:
The first network network element receives the downlink data notification message that gateway sends, and comprises bearing identification in the described downlink data notification message;
Judge in the bearer context of self storing and whether have described bearing identification;
If there is no, then send the non-existent mistake of carrying corresponding to described bearing identification to described gateway, make described gateway send the non-existent notice of described carrying so that described public data network gateway stops to send downlink data by described carrying to described gateway to the public data network gateway, and discharge the resource of described carrying;
If exist, initiate paging.
Further, describedly send the non-existent mistake of carrying corresponding to described bearing identification to described gateway, specifically comprise:
The non-existent mistake of the carrying that described bearing identification is corresponding joins in the downlink data notification response message, sends described downlink data notification response message to described gateway.
Further, before described public data network gateway stopped to send downlink data by described carrying to described gateway, described method also comprised:
Described gateway judges that idle state signaling reduces ISR and whether activates;
If described ISR un-activation then sends the non-existent notice of described carrying to described public data network gateway;
If described ISR activates, judge whether to receive the mistake of the paging failure that the second network network element sends, if receive the mistake of the paging failure of described second network network element transmission, then send the non-existent notice of described carrying so that described public data network gateway stops to send downlink data by described carrying to described gateway to described public data network gateway.
Further, before the described mistake that judges whether to receive the paging failure that the second network network element sends, described method also comprises:
Described second network network element receives the described downlink data notification message that described gateway sends, and comprises described bearing identification in the described downlink data notification message;
Described second network network element judges in the bearer context of self storing whether have described bearing identification;
If there is no, send the mistake of paging failure to described gateway;
If exist, initiate paging.
Further, described first network network element is GPRS serving GPRS support node SGSN, and described second network network element is mobile management entity MME;
Or,
Described first network network element is mobile management entity MME, and described second network network element is GPRS serving GPRS support node SGSN.
Further, described described public data network gateway is stopped by described carrying after described gateway sends downlink data, described method also comprises:
Described gateway sends the message of the described carrying of request deletion to described public data network gateway.
A kind of system for initiating active paging, described system comprises first network network element, gateway;
Wherein, described first network network element specifically comprises:
The first receiver module is used for receiving the downlink data notification message that gateway sends, and comprises bearing identification in the described downlink data notification message;
The first judge module is used for judging whether the bearer context of described first network network element self storage exists described bearing identification;
The first processing module, be used for when the judged result of described the first judge module when not having described bearing identification, send the non-existent mistake of carrying corresponding to described bearing identification to described gateway;
The second processing module, when being used for judged result when described the first judge module and being existing carrying corresponding to described bearing identification, the initiation paging;
Described gateway specifically comprises:
Stopping modular, be used for after the non-existent mistake of carrying corresponding to the described bearing identification that receives described the first processing module transmission, send the non-existent notice of described carrying so that described public data network gateway stops to send downlink data by described carrying to described gateway to the public data network gateway, and discharge the resource of described carrying.
Further, described the first processing module specifically comprises:
Add the unit, when being used for judged result when described the first judge module and being described first network network element and not having described bearing identification, the non-existent mistake of the carrying that described bearing identification is corresponding joins in the downlink data notification response message;
The mistake transmitting element is used for to the downlink data notification response message of described gateway transmission after the described adding unit non-existent mistake of the carrying that described bearing identification is corresponding joins the downlink data notification response message.
Further, described gateway also comprises:
The second judge module, be used for described stopping modular described public data network gateway is sent stop to send downlink data by described carrying to described gateway before, judge that idle state signaling reduces ISR and whether activates, if described ISR un-activation then notifies described stopping modular to make described public data network gateway stop to send downlink data by described carrying to described gateway;
The 3rd judge module, be used for when described the second judge module is judged described ISR activation, judge whether to receive the mistake of the paging failure that the second network network element sends, if receive the mistake of the paging failure of described second network network element transmission, then notify described stopping modular to make described public data network gateway stop to send downlink data by described carrying to described gateway.
Further, described system also comprises the second network network element, and described second network network element specifically comprises:
The second receiver module, be used for before described the 3rd judge module judges whether to receive the mistake of the paging failure that the second network network element sends, receive described gateway and send downlink data notification message, comprise bearing identification in the described downlink data notification message;
The 4th judge module is used for judging whether the bearer context of described second network network element self storage exists described bearing identification;
The 3rd processing module when not having described bearing identification for the bearer context of judging described second network network element self storage when described the 4th judge module, sends the mistake of paging failure to described the 3rd judge module;
The manages module everywhere, is used for when there is described bearing identification in bearer context that described the 4th judge module is judged described second network network element self storage the initiation paging.
Further, described first network network element is GPRS serving GPRS support node SGSN, and described second network network element is mobile management entity MME;
Or,
Described first network network element is mobile management entity MME, and described second network network element is GPRS serving GPRS support node SGSN.
Further, described gateway also comprises:
Removing module is used for making described public data network gateway stop by described carrying sending the message of the described carrying of request deletion to described public data network gateway after described gateway sends downlink data at described stopping modular.
A kind of network element, described network element comprises:
Receiver module is used for receiving the downlink data notification message that gateway sends, and comprises bearing identification in the described downlink data notification message;
Judge module is used for judging whether the bearer context of self storing exists described bearing identification;
The mistake processing module, be used for judging when not having described bearing identification when described judge module, send the non-existent mistake of carrying corresponding to described bearing identification to described gateway, make described gateway send the non-existent notice of described carrying so that described public data network gateway stops to send downlink data by described carrying to described gateway to the public data network gateway, and discharge the resource of described carrying;
The paging module is used for judging when self having described bearing identification the initiation paging when described judge module.
Further, described wrong processing module specifically comprises:
Mistake adds the unit, be used for when the judged result of described judge module when not having described bearing identification, the non-existent mistake of the carrying that described bearing identification is corresponding joins in the downlink data notification response message;
The mistake transmitting element is used for sending through the described wrong downlink data notification response message that adds after the unit non-existent mistake of carrying that described bearing identification is corresponding joins the downlink data notification response message to described gateway.
The beneficial effect of the technical scheme that the embodiment of the invention provides is: a kind of method, System and Network network element for initiating active paging, can because of MME/SGSN in that bearer context is asynchronous when initiating paging failure, do not exist to gateway report carrying, and stop PDN GW and send downlink data to SGW, to save Internet resources.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the below will and do simply and introduce the accompanying drawing that uses among the embodiment, apparently, below listed accompanying drawing only be some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Core network architecture figure new among the EPS that provides in the background technology of the present invention is provided Fig. 1;
The flow chart of a kind of method for initiating active paging that Fig. 2 provides for the embodiment of the invention 1;
The flow chart of a kind of method for initiating active paging that Fig. 3 provides for the embodiment of the invention 2;
The structural representation of a kind of system for initiating active paging that Fig. 4 provides for the embodiment of the invention 3;
The structural representation of the first processing module of a kind of system for initiating active paging that Fig. 5 provides for the embodiment of the invention 3;
The second structural representation of a kind of system for initiating active paging that Fig. 6 provides for the embodiment of the invention 3;
The third structural representation of a kind of system for initiating active paging that Fig. 7 provides for the embodiment of the invention 3;
The 4th kind of structural representation of a kind of system for initiating active paging that Fig. 8 provides for the embodiment of the invention 3;
The structural representation of a kind of network element that Fig. 9 provides for the embodiment of the invention 4;
The structural representation of wrong processing module in a kind of network element that Figure 10 provides for the embodiment of the invention 4.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Embodiment 1
The embodiment of the invention 1 has proposed a kind of method for initiating active paging, and its flow process comprises as shown in Figure 2:
Step 101, first network network element receive the downlink data notification message that gateway sends, and comprise bearing identification in the downlink data notification message;
Step 102, judge in the bearer context of self storage whether have above-mentioned bearing identification, if there is no, execution in step 103, if exist, execution in step 104;
Step 103, send the non-existent mistake of carrying corresponding to above-mentioned bearing identification to gateway, make gateway the non-existent notice of above-mentioned carrying occur so that the public data network gateway stops to send downlink data and discharging the resource of described carrying to gateway by above-mentioned carrying to the public data network gateway;
Step 104, initiation paging.
The embodiment of the invention has proposed a kind of method for initiating active paging, can because of MME/SGSN in that bearer context is asynchronous when causing paging failure, do not exist to gateway report carrying, and stop PDN GW and send downlink data to SGW, to save Internet resources.
Embodiment 2
The embodiment of the invention 2 has proposed a kind of method for initiating active paging, is to improve on embodiment 1 basis, and its flow process comprises as shown in Figure 3:
In the present embodiment, be arranged among the gateway SGW and can set up carrying with first network network element or second network network element to the UE that activates ISR, and take the first network network element as MME, the second network network element is that SGSN is that example describes.
Step 201, PDN GW send downlink data Downlink Data by carrying to SGW;
Need to prove that when PDN GW sent downlink data Downlink Data by carrying to SGW, this carrying was obtained by the mapping distribution by PDN GW, this mapping assigning process is prior art, repeats no more here.
Step 202, SGW send downlink data notification message Downlink DataNotification to MME and SGSN;
Need to prove, among the above-mentioned downlink data notification message Downlink Data Notification, carry the bearing identification EPS Bearer ID of above-mentioned carrying, in order in above-mentioned carrying downlink data Downlink Data to be arranged to MME and SGSN indication.
Wherein, above-mentioned carrying namely refers to carrying corresponding to above-mentioned bearing identification EPS Bearer ID, below embodiment all identical.
Step 203, MME judge in the bearer context of self storing whether have above-mentioned EPS Bearer ID, if do not have, and execution in step 204, if having, execution in step 209.
Need to prove whether MME exists above-mentioned EPSBearer ID to determine whether to exist above-mentioned carrying corresponding to above-mentioned EPS Bearer ID by judging in the bearer context of self storing.
Step 204, MME join the non-existent mistake of above-mentioned carrying among the downlink data notification response message Downlink Data Notification Acknowledge, and the downlink data notification response message Downlink Data Notification Acknowledge that will add the non-existent mistake of above-mentioned carrying sends to SGW;
The non-existent mistake of above-mentioned carrying is joined in the downlink data notification response message, specifically comprises:
Add new cause value cause at downlink data notification response message Downlink Data Notification Acknowledge, and the non-existent mistake of above-mentioned carrying is made as Bearer not found, Bearer notfound is included among the downlink data notification response message Downlink Data NotificationAcknowledge as new cause value sends to SGW.
In the present embodiment, after self there is not above-mentioned bearing identification in the MME judgement, initiate paging failure, and return the mistake of Bearer not found, be conducive to like this network to the processing of practical communication situation, save Internet resources, wherein, when MME returns the non-existent notification message of carrying to SGW, should comprise the sign of above-mentioned carrying in this notification message.。
Step 205, SGW judge that idle state signaling reduces ISR and whether activates after receiving above-mentioned downlink data notification response message Downlink Data NotificationAcknowledge, if activate, and execution in step 206, if un-activation, execution in step 207;
Need to prove, in EPS, adopted new core network architecture, the enhancing data transfer rate Radio Access Network (UTRAN/GERAN) of universal terrestrial access network in this core network architecture/GSM/evolution and two kinds of connecting systems of evolved universal terrestrial radio access network (E-UTRAN) respectively the user mobility control and management entity of correspondence are that service universal packet wireless business affair node SGSN and Mobility Management Entity MME are common the existence.In order to adapt to the user's movable pipe reason under the new core network architecture, a kind of idle state signaling optimization (ISR) technology has been proposed, the signaling amount of mobility management process when the UE that can reduce idle condition resides at the borderline region of UTRAN/GERAN and two kinds of connecting systems of E-TURAN in the evolved packet system.When UE inactive I SR function, only there is a user mobility management control entity to serve this UE.
Step 206, SGW judge whether to receive the mistake of the paging failure that SGSN sends, if so, and execution in step 207, if not, execution in step 209.
In the present embodiment, SGW judges whether to receive the wrong concrete of paging failure that SGSN sends: SGSN judges in the bearer context of self storing whether have above-mentioned bearing identification, if exist, then initiate paging, if there is no, then set up paging failure, return the mistake of paging failure to SGW.SGSN judges that method that whether above-mentioned carrying exist judges that with MME the method whether above-mentioned carrying exist is identical, repeats no more here.
Step 207, SGW make PDN GW stop to send downlink data Downlink Data by above-mentioned carrying to SGW, and discharge the resource of above-mentioned carrying to the non-existent notice of PDN GW report carrying;
Step 208, PDN GW delete above-mentioned carrying;
After step 207, before the step 208, this method also comprises: SGW sends the message of the above-mentioned carrying of request deletion to PDN GW.
Wherein, the process that PDN GW deletes above-mentioned carrying is prior art, repeats no more here.
Step 209, initiation paging.
Wherein, follow-up paging is prior art, repeats no more here.
Need to prove, in existing 3GPP agreement, MME/SGSN may be owing to the reason of overload (overload), after receiving the deleting bearing request that SGW sends (Delete Bearer Request) message, can not delete timely corresponding carrying, and to wait for the long period, just process this message, and at this moment SGW may retransmit this message repeatedly, when deleting bearing request-reply (Delete Bearer Response) message is finished and is returned in by the time MME/SGSN deletion to SGW, SGW may think and deleted unsuccessfully, still maintain this carrying on the SGW, can cause like this bearer context on MME/SGSN and the SGW asynchronous, PDN GW can not obtain this and carry deleted message, at this moment, this carrying is invalid, but, can not send PDN GW the order of this carrying of deletion because not knowing this message, caused the waste of resources in network, the method of the gateway indication paging failure that the present invention proposes, can inform the PDNGW paging failure, and delete this carrying, save Internet resources.
After this step is deleted above-mentioned carrying, can also comprise that PDN GW rebulids the process of carrying according to prior art.
In the present embodiment, take the first network network element as MME, the second network network element is that SGSN is that example describes, and correspondingly, take the first network network element as SGSN, the second network network element is that MME also meets above-mentioned flow process.
The embodiment of the invention has proposed a kind of method for initiating active paging, can because of MME/SGSN in that bearer context is asynchronous when causing initiating paging failure, do not exist to gateway report carrying, and stop PDN GW and send downlink data to SGW, to save Internet resources.
Embodiment 3
The embodiment of the invention 3 has proposed a kind of system for initiating active paging, its structure as shown in Figure 4, said system comprises first network network element 1, gateway 2;
Wherein, first network network element 1 specifically comprises:
The first receiver module 101 is used for receiving the downlink data notification message that gateway 2 sends, and comprises bearing identification in the downlink data notification message;
The first judge module 102 is used for judging whether the bearer context that first network network element 1 self is stored exists bearing identification;
The first processing module 103, be used for when the judged result of the first judge module 102 when not having above-mentioned bearing identification, to the non-existent mistake of carrying corresponding to the gateway 2 above-mentioned bearing identifications of transmission;
The second processing module 104, when being used for judged result when the first judge module 102 and being existing carrying corresponding to above-mentioned bearing identification, the initiation paging;
Described gateway tool 2 bodies comprise:
Stopping modular 201, be used for after receiving the non-existent mistake of carrying corresponding to above-mentioned bearing identification that the first processing module 103 sends, send the non-existent notice of above-mentioned carrying so that the public data network gateway stops to send downlink data and discharging the resource of above-mentioned carrying to gateway by above-mentioned carrying to the public data network gateway.
Further, as shown in Figure 5, the first processing module 103 specifically comprises:
Add unit 1031, be used for when the judged result of the first judge module when not having described bearing identification, the non-existent mistake of the carrying that above-mentioned bearing identification is corresponding joins in the downlink data notification response message;
Mistake transmitting element 1032 is used for sending through adding the downlink data notification response message after the unit 1031 non-existent mistake of carrying that above-mentioned bearing identification is corresponding joins the downlink data notification response message to gateway 2.
Further, as shown in Figure 6, gateway 2 also comprises:
The second judge module 202, be used for stopping modular 201 the public data network gateway is sent stop to send downlink datas by above-mentioned carrying to gateway 2 before, judge that idle state signaling reduces ISR and whether activates, if the ISR un-activation then notifies stopping modular 201 to make the public data network gateway stop to send downlink data by above-mentioned carrying to gateway 2;
The 3rd judge module 203, be used for when the second judge module 202 is judged the ISR activation, judge whether to receive the mistake of the paging failure that the second network network element sends, if receive the mistake of the paging failure of second network network element transmission, then notify stopping modular 2 to make the public data network gateway stop to send downlink datas by above-mentioned carrying to gateway 2.
Correspondingly, as shown in Figure 7, said system also comprises second network network element 3, and second network network element 3 specifically comprises:
The second receiver module 301 is used for receiving gateway 2 and sending the downlink data notification message before the 3rd judge module 203 judges whether to receive the mistake of the paging failure that second network network element 3 sends, and comprises bearing identification in the downlink data notification message;
The 4th judge module 302 is used for judging whether the bearer context that second network network element 3 self is stored exists above-mentioned bearing identification;
The 3rd processing module 303 is used for when there is not above-mentioned bearing identification in bearer context that the 4th judge module 302 is judged second network network element 3 self storage, to the mistake of the 3rd judge module 203 transmission paging failures;
The manages module 304 everywhere, is used for when there is above-mentioned bearing identification in bearer context that the 4th judge module 302 is judged second network network element 3 self storage the initiation paging.
Further, above-mentioned first network network element 1 is GPRS serving GPRS support node SGSN, and second network network element 2 is mobile management entity MME;
Or,
First network network element 1 is mobile management entity MME, and second network network element 2 is GPRS serving GPRS support node SGSN.
Further, as shown in Figure 8, gateway 2 also comprises:
Removing module 204 is used for making the public data network gateway stop by above-mentioned carrying sending the message of the above-mentioned carrying of request deletion to the public data network gateway after gateway 2 sends downlink data at stopping modular 201.
The embodiment of the invention has proposed a kind of system for initiating active paging, can because of MME/SGSN in that bearer context is asynchronous when causing paging failure, do not exist to gateway report carrying, and stop PDN GW and send downlink data to SGW, to save Internet resources.
Need to prove: a kind of system for initiating active paging that above-described embodiment provides, only the division with above-mentioned each functional module is illustrated, in the practical application, can as required the above-mentioned functions distribution be finished by different functional modules, the internal structure of the system of being about to is divided into different functional modules, to finish all or part of function described above.In addition, a kind of system for initiating active paging that above-described embodiment provides belongs to same design with a kind of embodiment of the method for the initiation active paging, and its specific implementation process sees embodiment of the method for details, repeats no more here.
Embodiment 4
As shown in Figure 9, present embodiment provides a kind of network element, and this network element comprises:
Receiver module 401 is used for receiving the downlink data notification message that gateway sends, and comprises bearing identification in the described downlink data notification message;
Judge module 402 is used for judging whether the bearer context of self storing exists above-mentioned bearing identification;
Mistake processing module 403, be used for judging when self not having above-mentioned bearing identification when judge module 402, send the non-existent mistake of carrying corresponding to above-mentioned bearing identification to gateway, make gateway send the non-existent notice of above-mentioned carrying so that described public data network gateway stops to send downlink data and discharging the resource of described carrying to gateway by above-mentioned carrying to the public data network gateway;
Paging module 404 is used for judging when self having above-mentioned bearing identification the initiation paging when judge module 402.
Further, as shown in figure 10, mistake processing module 403 specifically comprises:
Mistake adds unit 4031, be used for when the judged result of judge module 402 when not having above-mentioned bearing identification, the non-existent mistake of the carrying that above-mentioned bearing identification is corresponding joins in the downlink data notification response message;
Mistake transmitting element 4032 is used for to the downlink data notification response message of gateway transmission after the mistake adding unit 4031 non-existent mistake of carrying that above-mentioned bearing identification is corresponding joins the downlink data notification response message.
A kind of network element that present embodiment provides, can because of MME/SGSN in that bearer context is asynchronous when causing paging failure, do not exist to gateway report carrying, and stop PDN GW and send downlink data to SGW, to save Internet resources.
The invention described above embodiment sequence number does not represent the quality of embodiment just to description.
All or part of step in the embodiment of the invention can utilize software to realize, corresponding software program can be stored in the storage medium that can read, such as CD or hard disk etc.
Below only be preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (14)

1. method of be used for initiating active paging is characterized in that described method comprises:
The first network network element receives the downlink data notification message that gateway sends, and comprises bearing identification in the described downlink data notification message;
Judge in the bearer context of self storing and whether have described bearing identification;
If there is no, then send the non-existent mistake of carrying corresponding to described bearing identification to described gateway, make described gateway send the non-existent notice of described carrying so that described public data network gateway stops to send downlink data by described carrying to described gateway to the public data network gateway, and discharge the resource of described carrying;
If exist, initiate paging.
2. method according to claim 1 is characterized in that, describedly sends the non-existent mistake of carrying corresponding to described bearing identification to described gateway, specifically comprises:
The non-existent mistake of the carrying that described bearing identification is corresponding joins in the downlink data notification response message, sends described downlink data notification response message to described gateway.
3. method according to claim 1 is characterized in that, before described public data network gateway stopped to send downlink data by described carrying to described gateway, described method also comprised:
Described gateway judges that idle state signaling reduces ISR and whether activates;
If described ISR un-activation then sends the non-existent notice of described carrying to described public data network gateway;
If described ISR activates, judge whether to receive the mistake of the paging failure that the second network network element sends, if receive the mistake of the paging failure of described second network network element transmission, then send the non-existent notice of described carrying so that described public data network gateway stops to send downlink data by described carrying to described gateway to described public data network gateway.
4. method according to claim 3 is characterized in that, before the described mistake that judges whether to receive the paging failure that the second network network element sends, described method also comprises:
Described second network network element receives the described downlink data notification message that described gateway sends, and comprises described bearing identification in the described downlink data notification message;
Described second network network element judges in the bearer context of self storing whether have described bearing identification;
If there is no, send the mistake of paging failure to described gateway;
If exist, initiate paging.
5. according to claim 3 or 4 described methods, it is characterized in that described first network network element is GPRS serving GPRS support node SGSN, described second network network element is mobile management entity MME;
Or,
Described first network network element is mobile management entity MME, and described second network network element is GPRS serving GPRS support node SGSN.
6. method according to claim 1 is characterized in that, described described public data network gateway is stopped by described carrying after described gateway sends downlink data, and described method also comprises:
Described gateway sends the message of the described carrying of request deletion to described public data network gateway.
7. a system that is used for initiating active paging is characterized in that described system comprises first network network element, gateway;
Wherein, described first network network element specifically comprises:
The first receiver module is used for receiving the downlink data notification message that gateway sends, and comprises bearing identification in the described downlink data notification message;
The first judge module is used for judging whether the bearer context of described first network network element self storage exists described bearing identification;
The first processing module, be used for when the judged result of described the first judge module when not having described bearing identification, send the non-existent mistake of carrying corresponding to described bearing identification to described gateway;
The second processing module, when being used for judged result when described the first judge module and being existing carrying corresponding to described bearing identification, the initiation paging;
Described gateway specifically comprises:
Stopping modular, be used for after the non-existent mistake of carrying corresponding to the described bearing identification that receives described the first processing module transmission, send the non-existent notice of described carrying so that described public data network gateway stops to send downlink data by described carrying to described gateway to the public data network gateway, and discharge the resource of described carrying.
8. system according to claim 7 is characterized in that, described the first processing module specifically comprises:
Add the unit, be used for when the judged result of described the first judge module when not having described bearing identification, the non-existent mistake of the carrying that described bearing identification is corresponding joins in the downlink data notification response message;
The mistake transmitting element is used for to the downlink data notification response message of described gateway transmission after the described adding unit non-existent mistake of the carrying that described bearing identification is corresponding joins the downlink data notification response message.
9. system according to claim 7 is characterized in that, described gateway also comprises:
The second judge module, be used for described stopping modular described public data network gateway is sent stop to send downlink data by described carrying to described gateway before, judge that idle state signaling reduces ISR and whether activates, if described ISR un-activation then notifies described stopping modular to make described public data network gateway stop to send downlink data by described carrying to described gateway;
The 3rd judge module, be used for when described the second judge module is judged described ISR activation, judge whether to receive the mistake of the paging failure that the second network network element sends, if receive the mistake of the paging failure of described second network network element transmission, then notify described stopping modular to make described public data network gateway stop to send downlink data by described carrying to described gateway.
10. system according to claim 9 is characterized in that, described system also comprises the second network network element, and described second network network element specifically comprises:
The second receiver module is used for receiving described gateway and sending downlink data notification message before described the 3rd judge module judges whether to receive the mistake of the paging failure that the second network network element sends, and comprises bearing identification in the described downlink data notification message;
The 4th judge module is used for judging whether the bearer context of described second network network element self storage exists described bearing identification;
The 3rd processing module when not having described bearing identification for the bearer context of judging described second network network element self storage when described the 4th judge module, sends the mistake of paging failure to described the 3rd judge module;
The manages module everywhere, is used for when there is described bearing identification in bearer context that described the 4th judge module is judged described second network network element self storage the initiation paging.
11. according to claim 9 or 10 described systems, it is characterized in that described first network network element is GPRS serving GPRS support node SGSN, described second network network element is mobile management entity MME;
Or,
Described first network network element is mobile management entity MME, and described second network network element is GPRS serving GPRS support node SGSN.
12. system according to claim 7 is characterized in that, described gateway also comprises:
Removing module is used for making described public data network gateway stop by described carrying sending the message of the described carrying of request deletion to described public data network gateway after described gateway sends downlink data at described stopping modular.
13. a network element is characterized in that, described network element comprises:
Receiver module is used for receiving the downlink data notification message that gateway sends, and comprises bearing identification in the described downlink data notification message;
Judge module is used for judging whether the bearer context of self storing exists described bearing identification;
The mistake processing module, be used for judging when not having described bearing identification when described judge module, send the non-existent mistake of carrying corresponding to described bearing identification to described gateway, make described gateway send the non-existent notice of described carrying so that described public data network gateway stops to send downlink data by described carrying to described gateway to the public data network gateway, and discharge the resource of described carrying;
The paging module is used for judging when self having described bearing identification the initiation paging when described judge module.
14. network element according to claim 13 is characterized in that, described wrong processing module specifically comprises:
Mistake adds the unit, be used for when the judged result of described judge module when not having described bearing identification, the non-existent mistake of the carrying that described bearing identification is corresponding joins in the downlink data notification response message;
The mistake transmitting element is used for sending through the described wrong downlink data notification response message that adds after the unit non-existent mistake of carrying that described bearing identification is corresponding joins the downlink data notification response message to described gateway.
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WO2013104114A1 (en) * 2012-01-10 2013-07-18 华为技术有限公司 Method, node, and system for handling partial failure of mobility management entity
CN103686939B (en) * 2012-09-25 2017-07-21 华为终端有限公司 The method and relevant device of triggering terminal
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