CN102405683B

CN102405683B - Bearer processing method and system, and mobility management network elements

Info

Publication number: CN102405683B
Application number: CN201080001879.1A
Authority: CN
Inventors: 于益俊; 陆峰
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2010-08-20
Filing date: 2010-08-20
Publication date: 2014-04-30
Anticipated expiration: 2030-08-20
Also published as: WO2011109998A1; CN102405683A

Abstract

A bearer processing method and system, and mobility management network elements are provided by the embodiments of the present invention, wherein the bearer processing method includes: during the flow of performing single radio voice call continuity, receiving a handover required message from a source side evolved Node B or a user equipment context release request message from a source side evolved Node B or a suspend message from a target side serving General Packet Radio Service (GPRS) support node; sending a serving gateway a request message, to enable the serving gateway to release the user plane resources of other bearers except voice bearers and to reserve the user plane resources of the voice bearers. The method, system and mobility management network elements provided by the present invention enable a serving gateway to release the user plane resources of other bearers except the voice bearers and to reserve the user plane resources of the voice bearers, and further enable the serving gateway and the packet data network gateway to suspend non-Guaranteed Bit Rate (GBR) bearers and to deactivate other GBR bearers except the voice bearers, thus guaranteeing the normal process of user voice services.

Description

A kind of bearing processing method, system and mobile management net element

Technical field

The present invention relates to communication technical field, relate in particular to a kind of bearing processing method, system and mobile management net element.

Background technology

At present, a lot of business of operator all operate in GPRS (General Packet Radio Service, GPRS)/UMTS (Universal Mobile Telecommunications System, universal mobile telecommunications system) CS (Circuit Switched, circuit switching) in territory, SRVCC (Single Radio Voice Call Continuity, single wireless voice calling continuity) technology is as IMS (IP Multimedia Subsystem, IP Multimedia System) the voice continuity scheme at initial stage disposed in voice, can provide (the Evolved UMTS Territorial Radio Access Network from E-UTRAN for subscriber equipment, the UMTS Terrestrial radio access network of evolution) to UTRAN (land radio access web, UMTS Territorial Radio Access Network UMTS)/GERAN (GSM EDGE Radio Access Network, GSM EDGE wireless access network) seamless switching, obtained the lasting concern of operator.Current SRVCC performance enhancing project research, is intended to improve the performance of handoffs of SRVCC, avoids interrupting the excessive scene of time delay in handoff procedure as far as possible and occurs.

Wherein, using the SRVCC enhanced scheme of local grappling is one of main suggested design in existing SRVCC enhanced scheme.In using the SRVCC enhanced scheme of local grappling, UE carries out CSFB (CS Fallback, circuit falls after rise) combine and adhere to, and by MSC (Mobile Switch Center, mobile switching centre)/MGW (Media GateWay, media gateway) be registered to IMS, and in SRVCC handoff procedure and SCCAS (Service Centralization and Continuity Application Server, service set and continuous application server) set up SIP (Session Initiated Protocol, session initiation protocol) session, MSC/MGW and SGW (Serving Gateway after SRVCC switches, gateway) set up GTP (GPRS Tunnel Protocol, GPRS Tunneling Protocol) passage, for transmitting the speech data of up-downgoing.

For UE (User Equipment, subscriber equipment) at E-UTRAN, carry out the scene (being SRVCC from E-UTRAN to GERAN without DTM support) that SRVCC is switched to the GERAN that does not support transmitted in both directions pattern, in the technical scheme of the SRVCC enhanced scheme of the local grappling of existing use, once SGW/PGW (Packet Data Network Gateway, grouped data network gateway) receive after message on hold, SGW/PGW will hang up non-GBR (the Guaranteed Bit Rate of described UE, guarantee bit rate) the carrying GBR carrying that also deexcitation comprises voice bearer, make so described SGW/PGW to abandon all data messages that comprise speech business of the described UE receiving, make now by above-mentioned gateway device, cannot normally carry out speech business.

Summary of the invention

In view of this, the embodiment of the present invention provides a kind of bearing processing method, system and mobile management net element, makes in SRVCC process, and gateway device is not hung up the yet voice bearer of not deexcitation subscriber equipment, has guaranteed normally carrying out of user speech business.

Embodiments of the invention adopt following technical scheme:

A bearing processing method, comprising:

In carrying out single wireless voice calling continuity flow process, receive from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or from the message on hold of target side Serving GPRS Support Node;

To gateway, send a request message, so that described gateway discharges user's face resource of other carryings outside voice bearer, retain user's face resource of voice bearer.

A mobile management net element, it,, in carrying out SRVCC flow process, comprising:

Receiver module, for receiving from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or from the message on hold of target side Serving GPRS Support Node;

Sending module, for sending and discharge access bearer request message to gateway, so that described gateway discharges user's face resource of other carryings outside voice bearer, retains user's face resource of voice bearer.

Sending module, for sending and hang up request message to gateway, trigger described gateway and send and hang up request message to grouped data network gateway, so that described gateway discharges user's face resource of other carryings outside voice bearer, retain user's face resource of voice bearer;

And then make described gateway and grouped data network gateway hang up non-GBR carrying; Or and then make described gateway and grouped data network gateway hang up other carryings outside voice bearer.

Sending module, for sending and hang up request message to gateway, so that described gateway discharges user's face resource of other carryings outside voice bearer, retain user's face resource of voice bearer, hang up non-GBR carrying, and other GBR carryings outside deexcitation voice bearer; Or

For sending and hang up request message to gateway, triggering described gateway sends and hangs up request message to grouped data network gateway, so that described gateway discharges user's face resource of other carryings outside voice bearer, retain user's face resource of voice bearer; And then make grouped data network gateway hang up non-GBR carrying, and other GBR carryings outside deexcitation voice bearer.

A carrying treatment system, it,, in carrying out SRVCC flow process, comprising:

Mobile management net element, discharges access bearer request message or hangs up request message for sending to gateway;

Gateway, for receiving release access bearer request message or the hang-up request message from described mobile management net element, carry out the user's face resource that discharges other carryings outside voice bearer, the user's face resource that retains voice bearer, hang up non-GBR carrying or hang up other carryings outside voice bearer, other GBR carryings outside deexcitation voice bearer.

The bearing processing method, system and the mobile management net element that adopt the embodiment of the present invention to provide, in SRVCC flow process, MME (Mobility Management Entity, mobile management entity) by sending to SGW, discharge access bearer request message or hang up request message, make SGW discharge user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, and then make SGW and PGW hang up other GBR carryings outside non-GBR carrying and deexcitation voice bearer, guaranteed normally carrying out of user speech business.

Accompanying drawing explanation

The flow chart of a kind of bearing processing method that Fig. 1 provides for the embodiment of the present invention;

The signaling process figure of a kind of bearing processing method that Fig. 2 a provides for the embodiment of the present invention;

The second signaling process figure of a kind of bearing processing method that Fig. 2 b provides for the embodiment of the present invention;

The signaling process figure of a kind of bearing processing method that Fig. 3 provides for another embodiment of the present invention;

The signaling process figure of a kind of bearing processing method that Fig. 4 a provides for further embodiment of this invention;

The second signaling process figure of a kind of bearing processing method that Fig. 4 b provides for further embodiment of this invention;

The signaling process figure of a kind of bearing processing method that Fig. 5 provides for yet another embodiment of the invention;

The first schematic diagram of a kind of mobile management net element that Fig. 6 a provides for the embodiment of the present invention;

The second schematic diagram of a kind of mobile management net element that Fig. 6 b provides for the embodiment of the present invention;

The 3rd schematic diagram of a kind of mobile management net element that Fig. 6 c provides for the embodiment of the present invention;

The 4th schematic diagram of a kind of mobile management net element that Fig. 7 provides for the embodiment of the present invention;

The 5th schematic diagram of a kind of mobile management net element that Fig. 8 a provides for the embodiment of the present invention;

The 6th schematic diagram of a kind of mobile management net element that Fig. 8 b provides for the embodiment of the present invention;

The 7th schematic diagram of a kind of mobile management net element that Fig. 9 provides for the embodiment of the present invention;

A kind of the first schematic diagram that carries treatment system that Figure 10 a provides for the embodiment of the present invention;

A kind of the second schematic diagram that carries treatment system that Figure 10 b provides for the embodiment of the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.

The following all embodiment of the present invention are the scene based on SRVCC handover scheme all, be and use local SGW/PGW to transmit VoIP (Voice over Intemet Protocol as anchor point, internet protocol voice technology) scheme of business, for example: the SRVCC enhanced scheme of using local grappling.In follow-up embodiment, be all the improved description based on to the bearing processing method of above-mentioned scene, therefore this scheme scene is no longer done to repeatability in each embodiment, repeat.

In above-mentioned scene with below the present invention in all embodiment, the carrying of UE is divided into GBR carrying and non-GBR carries two classes.Wherein, GBR carrying refers to has the carrying that guarantees bit rate, comprising: other GBR carryings beyond voice bearer and voice bearer.MME/SGW/PGW can be based on QoS Class Identifier (QoS Class Identifier, QCI) concrete numerical value is identified above-mentioned voice bearer, non-GBR carrying and GBR carrying, for example, if only having the QCI value of a carrying in carrying is 1, this carrying can be identified as voice bearer; Or if for example the QCI value of a carrying is 5～9 o'clock, this carrying is identified as non-GBR carrying.MME/SGW/PGW can do the processing such as corresponding hang-up, deexcitation, reservation to carrying according to other indication information elements that comprise in above-mentioned QCI numerical value and the message receiving.

The flow chart of a kind of bearing processing method that Fig. 1 provides for the embodiment of the present invention, as shown in Figure 1:

Step 101, in carrying out SRVCC flow process, receives from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or from the message on hold of target side Serving GPRS Support Node;

Step 102, sends a request message to gateway, so that described gateway discharges user's face resource of other carryings outside voice bearer, retains user's face resource of voice bearer.

MME is according to information described in the step 101 receiving, by following four kinds of modes, realize the user's face resource that discharges other carryings outside voice bearer, the user's face resource that retains voice bearer, and the corresponding hang-up of carrying execution and deexcitation are processed, specifically ask for an interview following description:

Mode one:

A) MME sends and discharges access bearer request message to SGW, in described release access bearer request message, comprise the RAB information (the RAB information of the GBR carrying beyond non-GBR carrying and voice bearer) that voice bearer retains indication or comprises other carryings outside voice bearer, so that described SGW discharges user's face resource of other carryings outside voice bearer, retain user's face resource of voice bearer and receive the release access bearer response message from SGW;

B) MME sends and hangs up request message to SGW, and described SGW hangs up non-GBR carrying, retains the voice bearer in GBR carrying; Or so that described SGW hangs up other carryings outside voice bearer, retain the voice bearer in GBR carrying.

Wherein, after described SGW receives the hang-up request message of MME transmission, SGW sends and hangs up request message to PGW, in the hang-up request message that described SGW sends to PGW, comprise voice bearer and retain the sign of voice bearer of indication or needs reservation or the sign of other carryings beyond the voice bearer of needs hang-up, described PGW hangs up non-GBR carrying, retains the voice bearer in GBR carrying; Or described PGW hangs up other carryings outside voice bearer, retains the voice bearer in GBR carrying.The described sign of the voice bearer of reservation that needs can be included in cell " Bearer to be reserve " or " Voice Bearer ", and the network element device that is used to indicate this information of reception retains described carrying, and the present embodiment does not limit the title of this cell; The sign of other carryings beyond the described voice bearer that needs to hang up can be included in cell " Bearer to be suspend " or " Bearer Context ", the network element device that is used to indicate this information of reception is hung up described carrying, and the present embodiment does not limit the title of this cell.

SGW receives the hang-up response message from PGW, and MME receives the hang-up response message from SGW, completes hang-up flow process.

C) MME sends deleting bearing command messages to SGW, initiates deexcitation flow process, other GBR carryings outside SGW deexcitation voice bearer.In addition, MME can also initiate this deexcitation flow process after the release access bearer response message receiving from SGW.

The execution of above-mentioned A, B, tri-steps of C does not have permanent order relation, can receive from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or after from the message on hold of target side Serving GPRS Support Node and trigger simultaneously at MME; Also can from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or after from the message on hold of target side Serving GPRS Support Node, trigger respectively in reception, but there is no fixing ordinal relation and relation of interdependence.

Selectable, described in above-mentioned C, deexcitation flow process can also realize in the following way: after SGW receives the described release access bearer request message from MME, trigger SGW and initiate deexcitation flow process to PGW, other GBR carryings outside PGW deexcitation voice bearer.

Mode two:

A) MME sends and discharges access bearer request message to SGW, in described release access bearer request message, comprise the RAB information (the RAB information of the GBR carrying beyond non-GBR carrying and voice bearer) that voice bearer retains indication or comprises other carryings outside voice bearer, described SGW discharges user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, and receive the release access bearer response message from SGW;

B) MME sends and hangs up request message to SGW, and described SGW hangs up non-GBR carrying, retains the voice bearer in GBR carrying, and other GBR carryings outside deexcitation voice bearer.

Wherein, after described SGW receives the hang-up request message of MME transmission, SGW sends and hangs up request message to PGW, in the hang-up request message that described SGW sends to PGW, comprise voice bearer and retain the sign of voice bearer of indication or needs reservation or the sign of other carryings beyond the voice bearer of needs hang-up, described PGW hangs up non-GBR carrying and retains the voice bearer in GBR carrying, and other GBR carryings outside deexcitation voice bearer.The described sign of the voice bearer of reservation that needs can be included in cell " Bearer to be reserve " or " Voice Bearer ", and the network element device that is used to indicate this information of reception retains described carrying, and the present embodiment does not limit the title of this cell; The sign of other carryings beyond the described voice bearer that needs to hang up can be included in cell " Bearer to be suspend " or " Bearer Context ", the network element device that is used to indicate this information of reception is hung up described carrying, and the present embodiment does not limit the title of this cell.

SGW receives the hang-up response message from PGW, and MME receives the hang-up response message from SGW, completes and hangs up flow process and other processing to carrying.

The execution of above-mentioned A, two steps of B does not have permanent order relation, can receive from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or after from the message on hold of target side Serving GPRS Support Node and trigger simultaneously at MME; Also can from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or after from the message on hold of target side Serving GPRS Support Node, trigger respectively in reception, but there is no fixing ordinal relation and relation of interdependence.

Mode three:

A) MME hangs up request message to SGW transmission, comprises voice bearer and retain the sign of voice bearer of indication or needs reservation or the sign of other carryings beyond the voice bearer of needs hang-up in described hang-up request message;

Described SGW discharges user's face resource of other carryings outside voice bearer, retains user's face resource of voice bearer, hangs up non-GBR carrying and retains the voice bearer in GBR carrying; Or described SGW discharges user's face resource of other carryings outside voice bearer, retain user's face resource of voice bearer, hang up other carryings outside voice bearer and retain the voice bearer in GBR carrying.

Wherein, after described SGW receives the hang-up request message of MME transmission, SGW sends and hangs up request message to PGW, in the hang-up request message that described SGW sends to PGW, comprise voice bearer and retain the sign of voice bearer of indication or needs reservation or the sign of other carryings beyond the voice bearer of needs hang-up, described PGW hangs up non-GBR carrying, retains the voice bearer in GBR carrying; Or described PGW hangs up other carryings outside voice bearer, retains the voice bearer in GBR carrying.

The above-described sign of the voice bearer of reservation that needs can be included in cell " Bearer to be reserve " or " Voice Bearer ", the network element device that is used to indicate this information of reception retains described carrying, and the present embodiment does not limit the title of this cell; The sign of other carryings beyond the described voice bearer that needs to hang up can be included in cell " Bearer to be suspend " or " Bearer Context ", the network element device that is used to indicate this information of reception is hung up described carrying, and the present embodiment does not limit the title of this cell.

B) MME sends deleting bearing command messages to SGW, initiates deexcitation flow process, so that other GBR carryings outside SGW deexcitation voice bearer.

Selectable, above-mentioned deexcitation flow process can also realize in the following way: after SGW receives the described hang-up request message from MME, trigger SGW and initiate deexcitation flow process to PGW, other GBR carryings outside PGW deexcitation voice bearer.

Mode four:

A) MME hangs up request message to SGW transmission, comprises voice bearer and retain the sign of voice bearer of indication or needs reservation or the sign of other carryings beyond the voice bearer of needs hang-up in described hang-up request message; Described SGW discharges user's face resource of other carryings outside voice bearer, retains user's face resource of voice bearer; Described SGW hangs up non-GBR carrying, retain voice bearer in GBR carrying and other GBR carryings outside deexcitation voice bearer.

Wherein, after described SGW receives the hang-up request message of MME transmission, SGW sends and hangs up request message to PGW, in the hang-up request message that described SGW sends to PGW, comprise the sign that voice bearer retains other carryings beyond the sign of the voice bearer that indication or needs retain or voice bearer that needs are hung up, described PGW hangs up non-GBR carrying, retain the voice bearer of GBR in carrying and other GBR outside deexcitation voice bearer carry.

In above-mentioned four kinds of modes, the voice bearer in described reservation GBR carrying can be: retain the context of described voice bearer, do not change described voice bearer context (such as MBR etc.) and described voice bearer do not hung up; The non-GBR carrying of described hang-up can be: retain the context of described non-GBR carrying, and the state of described non-GBR carrying is set to hang-up; Other carryings outside described hang-up voice bearer can be: retain the context of other carryings outside described voice bearer, and the state of other carryings outside described voice bearer is set to hang-up; Other GBR carryings outside described deexcitation voice bearer can be: the context of deleting other GBR carryings outside described voice bearer.Wherein, for example, if carrying (non-GBR carrying) is suspended, SGW/PGW is by message corresponding to described carrying that abandons it and receive, in the present embodiment, because voice bearer retains and is not suspended, SGW/PGW will carry out ip voice (being VoIP) business normally.

Method described in employing embodiment of the present invention step 101～102, in carrying out SRVCC flow process, MME is by sending a request message to SGW, make SGW discharge user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, SGW and PGW hang up other GBR carryings outside non-GBR carrying and deexcitation voice bearer, have guaranteed normally carrying out of user speech business.

The signaling process figure of a kind of bearing processing method that Fig. 2 a provides for the embodiment of the present invention, as shown in Figure 2 a:

201, in carrying out SRVCC flow process, MME receives (the Evolved Node B from source eNodeB, evolution base station) handoff requirement message or MME receive from the UE context releasing request message (UE Context Release Request) of source eNodB or MME and receive the message on hold from target side SGSN (Serving GPRS Support Node Serving GPRS Support Node), described message on hold can be to hang up notice (Suspend Notification) message, or can be to carry the message (for example SGSN context Request) of hanging up request (Suspend Request) extended head.

202, source MME initiates to discharge access bearer flow process, comprising:

202a, according to the source eNodeB receiving in 201 (Evolved Node B, evolution base station) handoff requirement message or MME receive from the UE context releasing request message (UE Context Release Request) of source eNodB or MME and receive the message on hold from target side SGSN (Serving GPRS Support Node Serving GPRS Support Node), and source MME sends and discharges access bearer request (Release Access Bearer Request) message to SGW; In described release access bearer request message, comprise the RAB information (the RAB information of the GBR carrying beyond non-GBR carrying and voice bearer) that voice bearer retains indication or comprises other carryings outside voice bearer, SGW discharges user's face resource of other carryings except voice bearer, retains user's face resource of voice bearer;

Wherein, user's face resource of other carryings of described release except voice bearer can be specifically: the context that retains other carryings outside described voice bearer, delete the relevant information of the downlink tunnel network element (for example access network element) of other carryings outside voice bearer, for example tunneling termination sign and address; Described reservation voice bearer user face resource can be specifically: retain the context of described voice bearer, do not change described voice bearer context (tunneling termination sign and the address of the downlink tunnel network element that for example voice bearer is corresponding).

202b, SGW send and discharge access bearer response (Release Access Bearer Response) message to source MME.

203, source MME initiates to hang up flow process to SGW, comprising:

203a, source MME sends and hangs up request message to SGW, and described SGW hangs up non-GBR carrying; Or source MME sends and hangs up request message to SGW, and described SGW hangs up other carryings outside voice bearer;

Wherein, described SGW hangs up non-GBR carrying or hangs up other carryings outside voice bearer, and specific implementation can include but not limited to following methods:

1) if when described hang-up request message is hang-up notice (Suspend Notification) message of not expanding, described SGW can retain the RAB information of indicating or comprising other carryings outside voice bearer according to receiving and be recorded in local voice bearer in step 202a, hangs up non-GBR carrying or hangs up other carryings outside voice bearer; Or,

2), if when described hang-up request message comprises voice bearer reservation Indication message, described SGW can retain indication according to described voice bearer and hang up other carryings outside non-GBR carrying or hang-up voice bearer; Or,

3) if during the sign that described hang-up request message comprises the voice bearer that needs retain, the described sign of the voice bearer of reservation that needs can be included in cell " Bearer to be reserve " or " Voice Bearer ", the network element device that is used to indicate this information of reception retains described carrying, the present embodiment does not limit the title of this cell, and described SGW can hang up non-GBR carrying or hang up other carryings outside voice bearer according to the described sign of the voice bearer of reservation that needs; Or,

4) if during the sign that described hang-up request message comprises other carryings beyond the voice bearer that needs hang up, the sign of other carryings beyond the described voice bearer that needs to hang up can be included in cell " Bearer to be suspend " or " Bearer Context ", the network element device that is used to indicate this information of reception is hung up described carrying, the present embodiment does not limit the title of this cell, and described SGW can hang up non-GBR carrying or hang up other carryings outside voice bearer according to the sign of other carryings beyond the described voice bearer that needs to hang up.

Wherein, the non-GBR carrying of described hang-up can be specifically: retain the context of described non-GBR carrying, and the state of described non-GBR carrying is set to hang-up; Other carryings outside described hang-up voice bearer can be specifically: retain the context of other carryings outside described voice bearer, and the state of other carryings outside described voice bearer is set to hang-up.Wherein, for example, if carrying (non-GBR carrying) is suspended, SGW is by message corresponding to described carrying that abandons it and receive, and in the present embodiment, because voice bearer retains and is not suspended, SGW will carry out ip voice (being VoIP) business normally.

Wherein, described hang-up request message can be existing hang-up notice (Suspend Notification) message or revise carrying request (Modify Bearer Request), or can be new message, for example SRVCC hangs up notice (SRVCC Suspend Notification) message, and the present embodiment does not limit this.

203b, SGW sends and hangs up request message to PGW;

After SGW receives the hang-up request message from source MME, SGW sends and hangs up request message to PGW, the hang-up request message that described SGW sends to PGW comprises voice bearer and retains the sign of voice bearer of indication or needs reservation or the sign of other carryings beyond the voice bearer of needs hang-up, now, described PGW can proceed as follows: hang up non-GBR carrying; Or other carryings outside hang-up voice bearer.Its specific implementation can, referring to the respective handling that in step 203a, SGW does, repeat no more herein.

Wherein, for example, if carrying (non-GBR carrying) is suspended, PGW is by message corresponding to described carrying that abandons it and receive, and in the present embodiment, because voice bearer retains and is not suspended, PGW will carry out ip voice (being VoIP) business normally.

Wherein, described hang-up request message can be existing hang-up notice (Suspend Notification) message or revise carrying request (Modify Bearer Request) message, or can be new message, for example SRVCC hangs up notice (SRVCC Suspend Notification) message, and the present embodiment does not limit this.

203c, PGW send and hang up response message to SGW; Wherein, described hang-up response message is specially to hang up and replys (Suspend Acknowledge) message.

203d, SGW send and hang up response message to MME; Wherein, described hang-up response message is specially to hang up and replys (Suspend Acknowledge) message.

204, after source MME receives the release access bearer response message from SGW, initiate deexcitation flow process, comprising:

204a, source MME sends deleting bearing order (Delete Bearer Command) message to SGW; Wherein, in described deleting bearing command messages, carry the context of other GBR carryings outside voice bearer.

204b, SGW sends deleting bearing order (Delete Bearer Command) message to PGW; Wherein, in described deleting bearing command messages, carry the context of other GBR carryings outside voice bearer;

204c, PGW sends deleting bearing request (Delete Bearer Request) message to SGW;

204d, SGW sends deleting bearing request (Delete Bearer Request) message to MME;

204e, MME sends deleting bearing response (Delete Bearer Response) message to SGW;

204f, SGW sends deleting bearing response (Delete Bearer Response) message to PGW.

Above-mentioned steps 202,203 and 204 execution do not have permanent order relation, can receive from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or after from the message on hold of target side Serving GPRS Support Node and trigger simultaneously at MME; Also can from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or after from the message on hold of target side Serving GPRS Support Node, trigger respectively in reception, but there is no fixing ordinal relation and relation of interdependence.

Method described in employing embodiment of the present invention step 201～204, in carrying out the flow process of SRVCC, MME discharges access bearer request message and hangs up request message by sending to SGW, make SGW discharge user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, SGW and PGW hang up other GBR carryings outside non-GBR carrying and deexcitation voice bearer, have guaranteed normally carrying out of user speech business.

The second signaling process figure of a kind of bearing processing method that Fig. 2 b provides for the embodiment of the present invention, as shown in Figure 2 b:

In the present embodiment, compare with the embodiment shown in Fig. 2 a, first three step is identical with step 201～203 in embodiment described in Fig. 2 a, therefore specifically describe, please refer to the narration in Fig. 2 a embodiment, at this, does not repeat.

At this present embodiment only to step 204 ' be described in further detail.

204 ', SGW is after receiving the release access bearer request message of source MME transmission, and SGW initiates deexcitation carrying flow process to PGW, other GBR carryings with deexcitation except voice bearer.Wherein, this step specifically comprises:

204 ' a, SGW sends deleting bearing order (Delete Bearer Command) message to PGW;

Wherein, in described deleting bearing command messages, carry the context of other GBR carryings except voice bearer.

204 ' b, PGW sends deleting bearing request (Delete Bearer Request) message to SGW;

204 ' c, SGW sends deleting bearing response (Delete Bearer Response) message to PGW;

The execution of above-mentioned steps 202,203 does not have permanent order relation, can receive from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or after from the message on hold of target side Serving GPRS Support Node and trigger simultaneously at MME; Also can from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or after from the message on hold of target side Serving GPRS Support Node, trigger respectively in reception, but there is no fixing ordinal relation and relation of interdependence.

Adopt the method that embodiment of the present invention step 201～204 ' is described, in carrying out the flow process of SRVCC, MME discharges access bearer request message and hangs up request message by sending to SGW, make SGW discharge user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, SGW and PGW hang up other GBR carryings outside non-GBR carrying and deexcitation voice bearer, have guaranteed normally carrying out of user speech business.

The signaling process figure of a kind of bearing processing method that Fig. 3 provides for another embodiment of the present invention, as shown in Figure 3:

301, in carrying out SRVCC flow process, MME receives the handoff requirement message from source eNodeB (Evolved Node B, evolution base station); Or MME receives the UE context releasing request message (UE Context Release Request) from source eNodB; Or MME receives the message on hold from target side SGSN (Serving GPRS Support Node Serving GPRS Support Node), described message on hold can be to hang up notice (Suspend Notification) message, or can be to carry the message (for example SGSN context Request) of hanging up request (Suspend Request) extended head.

302, source MME initiates to discharge access bearer flow process, comprising:

302a, according to the source eNodeB receiving in 301 (Evolved Node B, evolution base station) handoff requirement message or MME receive from the UE context releasing request message (UE Context Release Request) of source eNodB or MME and receive the message on hold from target side SGSN (Serving GPRS Support Node Serving GPRS Support Node), and source MME sends and discharges access bearer request (Release Access Bearer Request) message to SGW; In described release access bearer request message, comprise the RAB information (the RAB information of the GBR carrying beyond non-GBR carrying and voice bearer) that voice bearer retains indication or comprises other carryings outside voice bearer, SGW discharges user's face resource of other carryings except voice bearer, retains user's face resource of voice bearer;

302b, SGW send and discharge access bearer response (Release Access Bearer Response) message to source MME.

303, source MME initiates to hang up flow process to SGW, comprising:

303a, source MME sends and hangs up request message to SGW, and described SGW hangs up non-GBR carrying, and other GBR carryings outside deexcitation voice bearer;

Wherein, described SGW hangs up non-GBR carrying, and other GBR carryings outside deexcitation voice bearer, and specific implementation can include but not limited to following methods:

1) if when described hang-up request message is hang-up notice (Suspend Notification) message of not expanding, described SGW can retain the RAB information of indicating or comprising other carryings outside voice bearer according to receiving and be recorded in local voice bearer in step 302a, hang up non-GBR carrying, and other GBR carryings outside deexcitation voice bearer; Or,

2), if when described hang-up request message comprises voice bearer reservation Indication message, described SGW can retain indication according to described voice bearer and hang up non-GBR carrying, and other GBR outside deexcitation voice bearer carry; Or,

3) if during the sign that described hang-up request message comprises the voice bearer that needs retain, the described sign of the voice bearer of reservation that needs can be included in cell " Bearer to be reserve " or " Voice Bearer ", the network element device that is used to indicate this information of reception retains described carrying, the present embodiment does not limit the title of this cell, described SGW can hang up non-GBR carrying according to the described sign of the voice bearer of reservation that needs, and other GBR carryings outside deexcitation voice bearer; Or,

4) if during the sign that described hang-up request message comprises other carryings beyond the voice bearer that needs hang up, the sign of other carryings beyond the described voice bearer that needs to hang up can be included in cell " Bearer to be suspend " or " Bearer Context ", the network element device that is used to indicate this information of reception is hung up described carrying, the present embodiment does not limit the title of this cell, described SGW can hang up non-GBR carrying according to the sign of other carryings beyond the described voice bearer that needs to hang up, and other GBR carryings outside deexcitation voice bearer.

Wherein, the non-GBR carrying of described hang-up can be specifically: retain the context of described non-GBR carrying, and the state of described non-GBR carrying is set to hang-up; Other GBR carryings of described deexcitation non-voice carrying can be specifically: the context of deleting other GBR carryings outside described voice bearer.

Wherein, for example, if carrying (non-GBR carrying) is suspended, SGW is by message corresponding to described carrying that abandons it and receive, and in the present embodiment, because voice bearer retains and is not suspended, SGW will carry out ip voice (being VoIP) business normally.

302b, SGW sends and hangs up request message to PGW;

After SGW receives the hang-up request message from source MME, SGW sends and hangs up request message to PGW, the hang-up request message that described SGW sends to PGW comprises voice bearer and retains the sign of voice bearer of indication or needs reservation or the sign of other carryings beyond the voice bearer of needs hang-up, now, described PGW can proceed as follows: hang up non-GBR carrying, and other GBR carryings outside deexcitation voice bearer.Its specific implementation can, referring to the respective handling that in step 302a, SGW does, repeat no more herein.

303c, PGW sends and hangs up response message to SGW; Wherein, described hang-up response message is specially to hang up and replys (Suspend Acknowledge) message.

303d, SGW sends and hangs up response message to MME; Wherein, described hang-up response message is specially to hang up and replys (Suspend Acknowledge) message.

The execution of above-mentioned steps 302,303 does not have permanent order relation, can receive from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or after from the message on hold of target side Serving GPRS Support Node and trigger simultaneously at MME; Also can from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or after from the message on hold of target side Serving GPRS Support Node, trigger respectively in reception, but there is no fixing ordinal relation and relation of interdependence.

Method described in employing embodiment of the present invention step 301～303, in carrying out SRVCC flow process, MME discharges access bearer request message and hangs up request message by sending to SGW, make SGW discharge user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, SGW and PGW hang up other GBR carryings outside non-GBR carrying and deexcitation voice bearer, have guaranteed normally carrying out of user speech business.

The signaling process figure of a kind of bearing processing method that Fig. 4 a provides for further embodiment of this invention, as shown in Fig. 4 a:

401, in carrying out SRVCC flow process, MME receives the handoff requirement message from source eNodeB (Evolved Node B, evolution base station); Or MME receives the UE context releasing request message (UE Context Release Request) from source eNodB; Or MME receives the message on hold from target side SGSN (Serving GPRS Support Node Serving GPRS Support Node), described message on hold can be to hang up notice (Suspend Notification) message, or can be to carry the message (for example SGSN context Request) of hanging up request (Suspend Request) extended head.

402, source MME initiates to hang up flow process, comprising:

402a, source MME sends and hangs up request message to SGW, and described SGW discharges user's face resource of other carryings outside voice bearer, retains user's face resource of voice bearer, hangs up non-GBR carrying; Or make described SGW put user's face resource of other carryings outside voice bearer, retain user's face resource of voice bearer, hang up other carryings outside voice bearer;

Wherein, described SGW discharges user's face resource of other carryings outside voice bearer, retains user's face resource of voice bearer, hangs up non-GBR carrying; Described SGW discharges user's face resource of other carryings outside voice bearer, retains user's face resource of voice bearer, hangs up other carryings outside voice bearer, and specific implementation can include but not limited to following methods:

1) if when described hang-up request message comprises voice bearer reservation Indication message, described SGW can retain user's face resource that indication discharges other carryings outside voice bearer according to described voice bearer, the user's face resource that retains voice bearer, hangs up non-GBR carrying; Or user's face resource of other carryings outside release voice bearer, user's face resource of reservation voice bearer, hangs up other carryings outside voice bearer; Or,

2) if during the sign that described hang-up request message comprises the voice bearer that needs retain, the described sign of the voice bearer of reservation that needs can be included in cell " Bearer to be reserve " or " Voice Bearer ", the network element device that is used to indicate this information of reception retains described carrying, the present embodiment does not limit the title of this cell, described SGW can discharge according to the sign of the described voice bearer that need to retain user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, hangs up non-GBR carrying; Or user's face resource of other carryings outside release voice bearer, user's face resource of reservation voice bearer, hangs up other carryings outside voice bearer; Or,

3) if during the sign that described hang-up request message comprises other carryings beyond the voice bearer that needs hang up, the sign of other carryings beyond the described voice bearer that needs to hang up can be included in cell " Bearer to be suspend " or " Bearer Context ", the network element device that is used to indicate this information of reception is hung up described carrying, the present embodiment does not limit the title of this cell, described SGW can discharge according to the sign of other carryings beyond the described voice bearer that needs to hang up user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, hang up non-GBR carrying, or user's face resource of other carryings outside release voice bearer, user's face resource of reservation voice bearer, hangs up other carryings outside voice bearer.

Wherein, user's face resource of other carryings of described release except voice bearer can be specifically: the context that retains other carryings outside described voice bearer, delete the relevant information of the downlink tunnel network element (for example access network element) of other carryings outside voice bearer, for example tunneling termination sign and address; Described reservation voice bearer user face resource can be specifically: retain the context of described voice bearer, do not change described voice bearer context (tunneling termination sign and the address of the downlink tunnel network element that for example voice bearer is corresponding); The non-GBR carrying of described hang-up can be specifically: retain the context of described non-GBR carrying, and the state of described non-GBR carrying is set to hang-up; Other carryings outside described hang-up voice bearer can be specifically: retain the context of other carryings outside described voice bearer, and the state of other carryings outside described voice bearer is set to hang-up.Wherein, for example, if carrying (non-GBR carrying) is suspended, SGW is by message corresponding to described carrying that abandons it and receive, and in the present embodiment, because voice bearer retains and is not suspended, SGW will carry out ip voice (being VoIP) business normally.

402b, SGW sends and hangs up request message to PGW;

After SGW receives the hang-up request message from source MME, SGW sends and hangs up request message to PGW, the hang-up request message that described SGW sends to PGW comprises voice bearer and retains the sign of voice bearer of indication or needs reservation or the sign of other carryings beyond the voice bearer of needs hang-up, now, described PGW can proceed as follows: hang up non-GBR carrying and retain the voice bearer in GBR carrying; Or the voice bearer in other carryings outside hang-up voice bearer and reservation GBR carrying.Its specific implementation can, referring to the respective handling that in step 402a, SGW does, repeat no more herein.

402c, PGW sends and hangs up response message to SGW; Wherein, described hang-up response message is specially to hang up and replys (Suspend Acknowledge) message.

402d, SGW sends and hangs up response message to MME; Wherein, described hang-up response message is specially to hang up and replys (Suspend Acknowledge) message.

403, source MME initiates deexcitation carrying flow process to SGW, other GBR carryings with deexcitation except voice bearer, and this step specifically comprises:

403a, source MME sends deleting bearing order (Delete Bearer Command) message to SGW;

Wherein, in described deleting bearing command messages, carry the context of other GBR carryings outside voice bearer.

403b, SGW sends deleting bearing order (Delete Bearer Command) message to PGW;

403c, PGW sends deleting bearing request (Delete Bearer Request) message to SGW;

403d, SGW sends deleting bearing request (Delete Bearer Request) message to MME;

403e, MME sends deleting bearing response (Delete Bearer Response) message to SGW;

403f, SGW sends deleting bearing response (Delete Bearer Response) message to PGW;

The execution of above-mentioned steps 402,403 does not have permanent order relation, can receive from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or after from the message on hold of target side Serving GPRS Support Node and trigger simultaneously at MME; Also can from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or after from the message on hold of target side Serving GPRS Support Node, trigger respectively in reception, but there is no fixing ordinal relation and relation of interdependence.

Method described in employing embodiment of the present invention step 401～403, in carrying out SRVCC flow process, MME is by sending and hang up request message to SGW, make SGW discharge user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, SGW and PGW hang up non-GBR carrying or hang up other carryings outside voice bearer, have guaranteed normally carrying out of user speech business.

The second signaling process figure of a kind of bearing processing method that Fig. 4 b provides for further embodiment of this invention, as shown in Figure 4 b:

In the present embodiment, compare with the embodiment shown in Fig. 4 a, the first two step is identical with step 401～402 in embodiment described in Fig. 4 a, therefore specifically describe, please refer to the narration in Fig. 4 a embodiment, at this, does not repeat.

At this present embodiment only to step 403 ' be described in further detail.

403 ', SGW is after receiving the hang-up request message of source MME transmission, and SGW initiates deexcitation carrying flow process to PGW, other GBR carryings with deexcitation except voice bearer.Wherein, this step specifically comprises:

403 ' a, SGW sends deleting bearing order (Delete Bearer Command) message to PGW;

403 ' b, PGW sends deleting bearing request (Delete Bearer Request) message to SGW;

403 ' c, SGW sends deleting bearing response (Delete Bearer Response) message to PGW.

Adopt the method that embodiment of the present invention step 401～403 ' is described, at UE, carry out in the flow process of SRVCC switching, MME is by sending and hang up request message to SGW, make SGW discharge user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, SGW and PGW hang up other GBR carryings outside GBR carrying and deexcitation voice bearer, have retained the voice bearer of UE, have guaranteed normally carrying out of user speech business.

The signaling process figure of a kind of bearing processing method that Fig. 5 provides for yet another embodiment of the invention, as shown in Figure 5:

501, in carrying out SRVCC flow process, MME receives (the Evolved Node B from source eNodeB, evolution base station) handoff requirement message or MME receive from the UE context releasing request message (UE Context Release Request) of source eNodB or MME and receive the message on hold from target side SGSN (Serving GPRS Support Node Serving GPRS Support Node), described message on hold can be to hang up notice (Suspend Notification) message, or can be to carry the message (for example SGSN context Request) of hanging up request (Suspend Request) extended head.

502, source MME initiates to hang up flow process, comprising:

502a, source MME sends and hangs up request message to SGW, and described SGW discharges user's face resource of other carryings outside voice bearer, retains user's face resource of voice bearer, hangs up non-GBR carrying, and other GBR carryings outside deexcitation voice bearer.

Wherein, described SGW discharges user's face resource of other carryings outside voice bearer, retains user's face resource of voice bearer, hangs up non-GBR carrying, and other GBR carryings outside deexcitation voice bearer, specific implementation can include but not limited to following methods:

1) if when described hang-up request message comprises voice bearer reservation Indication message, described SGW can retain user's face resource that indication discharges other carryings outside voice bearer according to described voice bearer, the user's face resource that retains voice bearer, hang up non-GBR carrying, and other GBR carryings outside deexcitation voice bearer; Or,

2) if during the sign that described hang-up request message comprises the voice bearer that needs retain, the described sign of the voice bearer of reservation that needs can be included in cell " Bearer to be reserve " or " Voice Bearer ", the network element device that is used to indicate this information of reception retains described carrying, the present embodiment does not limit the title of this cell, described SGW can discharge according to the sign of the described voice bearer that need to retain user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, hang up non-GBR carrying, and other GBR carryings outside deexcitation voice bearer, or,

3) if during the sign that described hang-up request message comprises other carryings beyond the voice bearer that needs hang up, the sign of other carryings beyond the described voice bearer that needs to hang up can be included in cell " Bearer to be suspend " or " Bearer Context ", the network element device that is used to indicate this information of reception is hung up described carrying, the present embodiment does not limit the title of this cell, described SGW can discharge according to the sign of other carryings beyond the described voice bearer that needs to hang up user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, hang up non-GBR carrying, and other GBR carryings outside deexcitation voice bearer.

Wherein, user's face resource of other carryings of described release except voice bearer can be specifically: the context that retains other carryings outside described voice bearer, delete the relevant information of the downlink tunnel network element (for example access network element) of other carryings outside voice bearer, for example tunneling termination sign and address; Described reservation voice bearer user face resource can be specifically: retain the context of described voice bearer, do not change described voice bearer context (tunneling termination sign and the address of the downlink tunnel network element that for example voice bearer is corresponding); The non-GBR carrying of described hang-up can be specifically: retain the context of described non-GBR carrying, and the state of described non-GBR carrying is set to hang-up; Other GBR carryings outside described deexcitation voice bearer can be specifically: the context of deleting other GBR carryings outside described voice bearer.Wherein, for example, if carrying (non-GBR carrying) is suspended, SGW is by message corresponding to described carrying that abandons it and receive, and in the present embodiment, because voice bearer retains and is not suspended, SGW will carry out ip voice (being VoIP) business normally.

502b, SGW sends and hangs up request message to PGW;

After SGW receives the hang-up request message from source MME, SGW sends and hangs up request message to PGW, the hang-up request message that described SGW sends to PGW comprises voice bearer and retains the sign of voice bearer of indication or needs reservation or the sign of other carryings beyond the voice bearer of needs hang-up, now, described PGW can proceed as follows: hang up non-GBR carrying, and other GBR carryings outside deexcitation voice bearer.Its specific implementation can, referring to the respective handling that in step 502a, SGW does, repeat no more herein.

502c, PGW sends and hangs up response message to SGW; Wherein, described hang-up response message is specially to hang up and replys (Suspend Acknowledge) message.

502d, SGW sends and hangs up response message to MME; Wherein, described hang-up response message is specially to hang up and replys (Suspend Acknowledge) message.

Method described in employing embodiment of the present invention step 501～502, in carrying out SRVCC flow process, MME is by sending and hang up request message to SGW, make SGW discharge user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, SGW and PGW hang up other GBR carryings outside non-GBR carrying and deexcitation voice bearer, have guaranteed normally carrying out of user speech business.

The first schematic diagram of a kind of mobile management net element that Fig. 6 a provides for the embodiment of the present invention, as shown in Figure 6 a, this mobile management net element comprises:

Receiver module 601, for receiving from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or from the message on hold of target side Serving GPRS Support Node;

Sending module 602, for sending and discharge access bearer request message to SGW, so that described SGW discharges user's face resource of other carryings outside voice bearer, retains user's face resource of voice bearer.

The second schematic diagram of a kind of mobile management net element that Fig. 6 b provides for the embodiment of the present invention, as shown in Figure 6 b, on the basis of Fig. 6 a illustrated embodiment, this mobile management net element also comprises:

Hang up flow process initiation module 603, for sending and hang up request message to described SGW, trigger described SGW and send and hang up request message to PGW, so that described SGW and PGW hang up non-GBR carrying, retain voice bearer; Or so that described SGW and PGW hang up other carryings outside voice bearer.

The 3rd schematic diagram of a kind of mobile management net element that Fig. 6 c provides for the embodiment of the present invention, as shown in Fig. 6 c, on the basis of Fig. 6 b illustrated embodiment, this mobile management net element also comprises:

Deexcitation flow process initiation module 604, for initiating deexcitation flow process to described SGW, so that other GBR carryings outside described SGW deexcitation voice bearer.

Mobile management net element described in employing embodiment of the present invention Fig. 6 a～Fig. 6 c, in carrying out SRVCC flow process, carrying processing unit is by sending and discharge access bearer request message to SGW, make SGW discharge user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, and then make SGW and PGW hang up other GBR carryings outside non-GBR carrying and deexcitation voice bearer, guaranteed normally carrying out of user speech business.

The 4th schematic diagram of a kind of mobile management net element that Fig. 7 provides for the embodiment of the present invention, as shown in Figure 7, this mobile management net element comprises:

Receiver module 701, for receiving from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or from the message on hold of target side Serving GPRS Support Node;

Sending module 702, for sending and discharge access bearer request message to SGW, so that described SGW discharges user's face resource of other carryings outside voice bearer, retains voice bearer.

Hang up flow process initiation module 703, for sending and hang up request message to described SGW, trigger described SGW and send and hang up request message to PGW, so that described SGW and PGW hang up non-GBR carrying, retain voice bearer, and other GBR carryings outside deexcitation voice bearer.

Mobile management net element described in employing embodiment of the present invention Fig. 7, in carrying out SRVCC flow process, carrying processing unit is by sending and discharge access bearer request message to SGW, make SGW discharge user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, and then make SGW and PGW hang up other GBR carryings outside non-GBR carrying and deexcitation voice bearer, guaranteed normally carrying out of user speech business.

The 5th schematic diagram of a kind of mobile management net element that Fig. 8 a provides for the embodiment of the present invention, as shown in Figure 8, this mobile management net element comprises:

Receiver module 801, for receiving from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or from the message on hold of target side Serving GPRS Support Node;

Sending module 802, for sending and hang up request message to SGW, triggers described SGW and sends and hang up request message to PGW, so that described SGW discharges user's face resource of other carryings outside voice bearer, retains user's face resource of voice bearer; And then make described SGW and PGW hang up non-GBR carrying; Or and then make described SGW and PGW hang up other carryings outside voice bearer.

The 6th schematic diagram of a kind of mobile management net element that Fig. 8 b provides for the embodiment of the present invention, as shown in Figure 8 a, on the basis of Fig. 8 b illustrated embodiment, this mobile management net element also comprises:

Deexcitation flow process initiation module 803, for initiating deexcitation flow process to SGW, so that SGW deexcitation other GBR carryings except voice bearer.

Mobile management net element described in employing embodiment of the present invention Fig. 8 a～Fig. 8 b, in carrying out SRVCC flow process, carrying processing unit is by sending and hang up request message to SGW, make SGW discharge user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, and then make SGW and PGW hang up other GBR carryings outside non-GBR carrying and deexcitation voice bearer, guaranteed normally carrying out of user speech business.

The 7th schematic diagram of a kind of mobile management net element that Fig. 9 provides for the embodiment of the present invention, as shown in Figure 9, this mobile management net element comprises:

Receiver module 901, for receiving from the handoff requirement message of source evolution base station or from the customer equipment context releasing request message of source evolution base station or from the message on hold of target side Serving GPRS Support Node;

Sending module 902, for sending and hang up request message to SGW, so that described SGW discharges user's face resource of other carryings outside voice bearer, retain user's face resource of voice bearer, hang up non-GBR carrying, and other GBR carryings outside deexcitation voice bearer; Or

For hanging up request message to SGW, triggering described SGW sends and hangs up request message to PGW, so that described SGW discharges user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, and then make PGW hang up non-GBR carrying, and other GBR carryings outside deexcitation voice bearer.

Mobile management net element described in employing embodiment of the present invention Fig. 9, in carrying out SRVCC flow process, carrying processing unit is by sending and hang up request message to SGW, make SGW discharge user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, and then make SGW and PGW hang up other GBR carryings outside non-GBR carrying and deexcitation voice bearer, guaranteed normally carrying out of user speech business.

A kind of the first schematic diagram that carries treatment system that Figure 10 a provides for the embodiment of the present invention, as shown in Figure 10 a, this carrying treatment system comprises:

Mobile management net element 1001, discharges access bearer request message or hangs up request message for sending to SGW;

Gateway 1002, for receiving release access bearer request message or the hang-up request message from described mobile management net element, carry out the user's face resource that discharges other carryings outside voice bearer, the user's face resource that retains voice bearer, hang up non-GBR carrying or hang up other carryings outside voice bearer, other GBR carryings outside deexcitation voice bearer.

A kind of the second schematic diagram that carries treatment system that Figure 10 b provides for the embodiment of the present invention, as Figure 10 b shows, on the basis of Figure 10 a, this carrying treatment system further comprises:

Grouped data network gateway 1003, for receiving the hang-up request message from described SGW, carries out and hangs up non-GBR carrying or hang up other carryings outside voice bearer, other GBR carryings outside deexcitation voice bearer.

Carrying treatment system described in employing embodiment of the present invention Figure 10 a～10b, in carrying out SRVCC flow process, carrying processing unit discharges access bearer request message or hangs up request message by sending to SGW, make SGW discharge user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer, and then make SGW and PGW hang up other GBR carryings outside non-GBR carrying and deexcitation voice bearer, guaranteed normally carrying out of user speech business

One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in computer read/write memory medium, this program, when carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.

Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.

Claims

1. a bearing processing method, is characterized in that, comprising:

2. bearing processing method according to claim 1, is characterized in that, describedly to gateway, sends a request message, so that described gateway discharges user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer comprises:

To gateway, send and discharge access bearer request message, in described release access bearer request message, comprise the RAB information that voice bearer retains indication or comprises other carryings outside voice bearer, described gateway discharges user's face resource of other carryings outside voice bearer, retains user's face resource of voice bearer.

3. bearing processing method according to claim 2, is characterized in that, also comprises:

To described gateway, send and hang up request message;

Described gateway is hung up non-assurance bit rate GBR carrying, retains voice bearer.

4. bearing processing method according to claim 2, is characterized in that, also comprises:

To described gateway, send and hang up request message;

Described gateway is hung up other carryings outside voice bearer, retains voice bearer.

5. bearing processing method according to claim 3, is characterized in that, also comprises:

Described gateway is hung up request message to grouped data network gateway transmission, comprises voice bearer and retain the sign of voice bearer of indication or needs reservation or the sign of other carryings beyond the voice bearer of needs hang-up in described hang-up request message;

Described grouped data network gateway is hung up non-GBR carrying, retains voice bearer.

6. bearing processing method according to claim 4, is characterized in that, also comprises:

Described grouped data network gateway is hung up other carryings outside voice bearer, retains voice bearer.

7. according to the arbitrary described bearing processing method of claim 3-6, it is characterized in that, also comprise:

To described gateway, initiate deexcitation flow process, other GBR carryings outside described gateway deexcitation voice bearer.

8. according to the arbitrary described bearing processing method of claim 3-6, it is characterized in that, described after gateway sends release access bearer request message, also comprise:

Described gateway is initiated deexcitation flow process to grouped data network gateway, other GBR carryings outside described grouped data network gateway deexcitation voice bearer.

9. bearing processing method according to claim 2, is characterized in that, also comprises:

To described gateway, send and hang up request message;

Described gateway is hung up non-GBR carrying, retains voice bearer, and other GBR carryings outside deexcitation voice bearer.

10. bearing processing method according to claim 9, is characterized in that, also comprises:

Described grouped data network gateway is hung up non-GBR carrying, retains voice bearer, and other GBR carryings outside deexcitation voice bearer.

11. bearing processing methods according to claim 1, is characterized in that, describedly to gateway, send a request message, so that described gateway discharges user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer comprises:

To gateway transmission, hang up request message, in described hang-up request message, comprise voice bearer and retain the sign of voice bearer of indication or needs reservation or the sign of other carryings beyond the voice bearer of needs hang-up;

Described gateway discharges user's face resource of other carryings outside voice bearer, retains user's face resource of voice bearer, hangs up non-GBR carrying.

12. bearing processing methods according to claim 1, is characterized in that, describedly to gateway, send a request message, so that described gateway discharges user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer comprises:

Described gateway discharges user's face resource of other carryings outside voice bearer, retains user's face resource of voice bearer, hangs up other carryings outside voice bearer.

13. bearing processing methods according to claim 11, is characterized in that, also comprise:

Described grouped data network gateway is hung up non-GBR carrying and is retained voice bearer.

14. bearing processing methods according to claim 12, is characterized in that, also comprise:

Described grouped data network gateway is hung up other carryings outside voice bearer and is retained voice bearer.

15. according to the arbitrary described bearing processing method of claim 11-14, it is characterized in that, also comprises:

To described gateway, initiate deexcitation flow process, described gateway deexcitation other GBR carryings except voice bearer.

16. according to claim 11 or 14 arbitrary described bearing processing methods, it is characterized in that, it is described after gateway sends hang-up request message, also comprise: described gateway is initiated deexcitation flow process to grouped data network gateway other GBR carryings outside described grouped data network gateway deexcitation voice bearer.

17. bearing processing methods according to claim 1, is characterized in that, describedly to gateway, send a request message, so that described gateway discharges user's face resource of other carryings outside voice bearer, the user's face resource that retains voice bearer comprises:

To described gateway transmission, hang up request message, in described hang-up request message, comprise voice bearer and retain the sign of voice bearer of indication or needs reservation or the sign of other carryings beyond the voice bearer of needs hang-up;

Described gateway discharges user's face resource of other carryings outside voice bearer, retains user's face resource of voice bearer;

Described gateway is hung up non-GBR carrying, other GBR carryings outside deexcitation voice bearer.

18. bearing processing methods according to claim 17, is characterized in that, also comprise:

Described grouped data network gateway is hung up non-GBR carrying, other GBR carryings outside deexcitation voice bearer.

19. 1 kinds of mobile management net elements, is characterized in that, it,, in carrying out SRVCC flow process, comprising:

20. mobile management net elements according to claim 19, is characterized in that, also comprise:

Hang up flow process initiation module, for sending and hang up request message to described gateway, trigger described gateway and send and hang up request message to grouped data network gateway, so that described gateway and grouped data network gateway are hung up non-GBR carrying; Or so that described gateway and grouped data network gateway are hung up other carryings outside voice bearer.

21. mobile management net elements according to claim 20, is characterized in that, also comprise:

Deexcitation flow process initiation module, for initiating deexcitation flow process to described gateway, so that other GBR carryings outside described gateway deexcitation voice bearer.

22. mobile management net elements according to claim 19, is characterized in that, also comprise:

Hang up flow process initiation module, for sending and hang up request message to described gateway, triggering described gateway sends and hangs up request message to grouped data network gateway, so that described gateway and grouped data network gateway are hung up non-GBR carrying, and other GBR carryings outside deexcitation voice bearer.

23. 1 kinds of mobile management net elements, is characterized in that, it,, in carrying out SRVCC flow process, comprising:

24. mobile management net elements according to claim 23, is characterized in that, also comprise:

Deexcitation flow process initiation module, for initiating deexcitation flow process to gateway, so that gateway deexcitation other GBR carryings except voice bearer.

25. 1 kinds of mobile management net elements, is characterized in that, it,, in carrying out SRVCC flow process, comprising:

26. 1 kinds of carrying treatment systems, is characterized in that, it,, in carrying out SRVCC flow process, comprising:

27. carrying treatment systems according to claim 26, is characterized in that, also comprise:

Grouped data network gateway, for receiving the hang-up request message from described gateway, carries out and hangs up non-GBR carrying or hang up other carryings outside voice bearer, other GBR carryings outside deexcitation voice bearer.