CN102833798B - Business switching handling method, device and system - Google Patents
Business switching handling method, device and system Download PDFInfo
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- CN102833798B CN102833798B CN201210297830.6A CN201210297830A CN102833798B CN 102833798 B CN102833798 B CN 102833798B CN 201210297830 A CN201210297830 A CN 201210297830A CN 102833798 B CN102833798 B CN 102833798B
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Abstract
The invention provides a kind of business switching handling method, device and system.The method comprises: in circuit domain dropping process, obtains the current network resource information of objective network and determines what needs switched according to network resource information by pre-set priority; According to the described packet switch domain service determining to need to switch, send business to Mobility Management Entity and switch message, comprise indication message in described business switching message, described indication message is used to indicate described Mobility Management Entity and determines to need the packet switch domain service switched to be switched in objective network by described.Use business switching handling method provided by the invention, device and system to carry out PS territory business to switch, the generation of network congestion can be avoided.
Description
Technical field
The present invention relates to the communication technology, particularly relate to a kind of business switching handling method, device and system
Background technology
At LTE(LongTermEvolution, Long Term Evolution) the network design initial stage, LTE network is mainly used in providing broadband data service, i.e. PS territory (PacketSwitchDomain, packet domain) business, and the business not high to bandwidth requirement, as business such as voice, then can fall back in 3G/2G network and carry out CS territory (CircuitSwitchDomain, circuit domain) business.Namely the technology that business falls back to CS territory is called CSFB(CircuitSwitchedFallback, circuit domain dropping).In prior art, when falling back to 3G/2G network and carrying out CS territory business, if 3G/2G network support PS territory business, then MME(MobilityManagementEntity, Mobility Management Entity) can ongoing for terminal equipment PS territory business all be switched in 3G/2G network, this business switching mode is called in company with switching mode.
The companion switching mode of prior art, must all switch to 3G/2G network by ongoing for terminal equipment PS territory business, and this handoff procedure may cannot complete switching because 3G/2G Internet resources are not enough, or causes 3G/2G network congestion.
Summary of the invention
The embodiment of the present invention provides a kind of business switching handling method, device and system, switches the handoff failure that may cause because target network resource is not enough or the problem causing network congestion in order to solve PS territory business in prior art CSFB process.
One aspect of the present invention provides a kind of business switching handling method, comprising:
In circuit domain dropping process, obtain the current network resource information of objective network and determine by pre-set priority the packet switch domain service that needs switch according to network resource information;
According to the described packet switch domain service determining to need to switch, send business to Mobility Management Entity and switch message, comprise indication message in described business switching message, described indication message is used to indicate described Mobility Management Entity and determines to need the packet switch domain service switched to be switched in objective network by described.
The present invention provides a kind of business switching handling method on the other hand, comprising:
The business that receiving terminal apparatus sends switches message, comprises indication message in described business switching message;
According to described indication message, terminal equipment is determined to need the packet switch domain service switched to be switched in objective network.
The present invention provides a kind of terminal equipment on the other hand, comprising:
Obtain determination module, in circuit domain dropping process, obtain the current network resource information of objective network and determine by pre-set priority the packet switch domain service that needs switch according to network resource information;
Business handover module, for determining according to described the packet switch domain service needing switching, send business to Mobility Management Entity and switch message, comprise indication message in described business switching message, described indication message is used to indicate described Mobility Management Entity and determines to need the packet switch domain service switched to be switched in objective network by described.
The present invention provides a kind of Mobility Management Entity on the other hand, comprising:
Receiver module, the business sent for receiving terminal apparatus switches message, comprises indication message in described business switching message;
Handover module, for determining to need the packet switch domain service switched to be switched in objective network by terminal equipment according to described indication message.
As shown from the above technical solution, in CSFB process, if terminal equipment is current carrying out PS territory business, then terminal equipment can according to the priority of PS territory business and the current network resource information of objective network, the business handover request for this PS territory business is sent to Mobility Management Entity, thus can make to be switched to the PS territory business of objective network and the current Internet resources of objective network match, thus this handoff procedure is avoided to occur because target network resource is not enough completing the problem switching or cause 3G/2G network congestion.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of business switching handling method embodiment one of the present invention;
Fig. 2 is the flow chart of business switching handling method embodiment two of the present invention;
Fig. 3 is the flow chart of business switching handling method embodiment three of the present invention;
Fig. 4 is the flow chart of business switching handling method embodiment four of the present invention;
Fig. 5 is the signaling process figure of business switching handling method embodiment five of the present invention;
Fig. 6 is the structural representation of terminal equipment embodiment one of the present invention;
Fig. 7 is the structural representation of terminal equipment embodiment two of the present invention;
Fig. 8 is the structural representation of Mobility Management Entity embodiment one of the present invention;
Fig. 9 is the structural representation of Mobility Management Entity embodiment two of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the flow chart of business switching handling method embodiment one of the present invention, and as shown in Figure 1, this business switch method can comprise:
Step S101, in CSFB process, obtains the current network resource information of objective network and determines by pre-set priority the PS territory business that needs switch according to network resource information.
Particularly, terminal equipment uses in the lte networks, and when CS territory business initiated by terminal equipment, this terminal equipment can send a notification message to MME, and sorts by pre-set priority to ongoing PS territory business.After MME receives above-mentioned notification message, determine the objective network fallen after rise, judge whether this network supports PS territory business, obtain the current network resource information of objective network and notification terminal equipment.Such as when CS territory business initiated by terminal equipment, user is just carrying out browsing page, backstage download file, email client reception mail three PS territory business on terminal equipment, user is prior on the terminal device carried out priority setting to PS territory business, and its medium priority is respectively from high to low and receives mail, browsing page, download file.When terminal equipment sends CS territory service announcements message to MME, by the priority preset, order is sequenced to ongoing three PS territory business.After terminal equipment gets the network resource information of MME transmission, first determine that this objective network supports PS territory business, then judging that Current resource meets receives needed for mail, judge that rest network inadequate resource is to meet needed for browsing page more afterwards, so far terminal equipment determines reception mail service to switch to objective network.
Step S102, according to the above-mentioned packet switch domain service determining to need to switch, send business to MME and switch message, comprise indication message in this business switching message, this indication message is used to indicate MME and determines to need the packet switch domain service switched to be switched in objective network by above-mentioned.
Particularly, what terminal equipment was determined according to step S101 needs switching service information, send business to MME and switch message, this business switches in message and comprises the indication message that needs that above-mentioned terminal equipment determines carry out the PS territory business switched, and the PS territory business that above-mentioned needs switch by notice MME switches to objective network.The PS territory business that above-mentioned needs switch according to above-mentioned indication information notice eNodeB by MME switches to objective network, CS territory business also falls after rise to objective network simultaneously, the PS territory business that terminal equipment normally carries out CS territory business and switches from LTE network in objective network.
In CSFB process, if terminal equipment is current carrying out PS territory business, then terminal equipment can according to the priority of PS territory business and the current network resource information of objective network, the business handover request for this PS territory business is sent to Mobility Management Entity, thus can make to be switched to the PS territory business of objective network and the current Internet resources of objective network match, thus this handoff procedure is avoided to occur because target network resource is not enough completing the problem switching or cause 3G/2G network congestion.
In above-mentioned steps S101, terminal equipment specifically can receive the current network resource information of objective network that MME sends.
In addition, for not determined the PS territory business of switching, terminal equipment can indicate MME to hang up the PS territory business that this part is not switched to objective network.
Specifically, the business that terminal equipment can send to MME in step s 102 switches in message comprise hang-up indication information, and this hang-up indication information is hung up for the ongoing PS territory business beyond the PS territory business that notifies MME and switched by above-mentioned needs.Accordingly, the PS territory business that above-mentioned needs can be hung up according to above-mentioned hang-up indication information notice eNodeB by MME is hung up.In addition, eNodeB can stop sending the upstream data carrying out the PS territory business hung up by notification terminal equipment.
And, in order to ensure that the PS territory business downlink data be suspended is not lost, before terminal equipment sends business handover request to MME, the instruction of downlink data buffer memory can also be sent to eNodeB, this instruction first issues MME by terminal equipment, then eNodeB is transmitted to by MME, this instruction is forwarded to Service Gateway for the downlink data of the PS territory business notifying eNodeB and need hang up, the row cache thus the downlink data making the Service Gateway of objective network receive the above-mentioned PS of being suspended territory business is gone forward side by side, makes the unlikely loss of this downlink data.
Fig. 2 is the flow chart of business switching handling method embodiment two of the present invention, and as shown in Figure 2, this business switch method can perform after embodiment of the method shown in above-mentioned Fig. 1, and the method for the present embodiment can comprise:
Step S201, after terminal equipment completes CS territory business in objective network, sends switchback request message to MME.
Particularly, terminal equipment sends request the message of switchback LTE network complete CS territory business in objective network after to MME, and MME determines the target LTE network of switchback.
Step S202, this switchback request makes MME the ongoing PS territory business switched be switched back in LTE network.
Particularly, after MME determines the target LTE network of switchback, the above-mentioned ongoing PS territory business switched is switched back target LTE network by notification target network, and terminal equipment proceeds the PS territory business of switchback in target LTE network.
Step S203, sends business to MME and hangs up recovery request message, to make MME informing business gateway by the data cached eNodeB sent in LTE network.
Particularly, step S201 terminal equipment is to after MME sends switchback request message, terminal equipment can also send business to MME and hang up recovery request message, notice MME is to the data cached instruction of Service Gateway transmission and reception, and Service Gateway is according to the eNodeB of the instruction received by the LTE network of the data retransmission to switchback that are buffered in Service Gateway.
Step S204, receives the data cached of eNodeB transmission.
Particularly, the operation of terminal equipment completing steps S202 is by the switchback after realizing proper communication from objective network of PS territory business, and what receive that eNodeB sends is data cached, recovers the PS territory business hung up.
Fig. 3 is the flow chart of business switching handling method embodiment three of the present invention, and as shown in Figure 3, this business switch method can comprise:
Step S301, the business that receiving terminal apparatus sends switches message, comprises indication message in described business switching message.
Particularly, the business that MME receiving terminal apparatus sends switches message, comprises indication message, comprise the information needing to switch to the PS territory business of objective network that terminal equipment is determined in this indication message in this message.
Step S302, determines to need the PS territory business switched to be switched in objective network by terminal equipment according to described indication message.
Particularly, MME determines according to above-mentioned indication message, and will need the PS territory service announcements eNodeB switching to objective network, above-mentioned PS territory business is switched to objective network by eNodeB.
In CSFB process, if terminal equipment is current carrying out PS territory business, Mobility Management Entity can connect the business handover request of the PS territory business of the needs switching that terminal equipment sends, thus can make to be switched to the PS territory business of objective network and the current Internet resources of objective network match, thus this handoff procedure is avoided to occur because target network resource is not enough completing the problem switching or cause 3G/2G network congestion.
Before the business that in above-mentioned steps S301, receiving terminal apparatus sends switches message, MME specifically can send the current network resource information of objective network to terminal equipment.
In addition, for not by the PS territory business being determined to switch, the PS territory business that this part can not to be switched to objective network according to the instruction of terminal equipment by MME is hung up.
Specifically, the business that the terminal equipment that MME receives in step S301 sends switches in message can comprise hang-up indication information, according to this hang-up indication information, MME notifies that the ongoing PS territory business beyond the PS territory business that above-mentioned needs switch by eNodeB is hung up.In addition, eNodeB can also stop sending the upstream data carrying out the PS territory business hung up by notification terminal equipment.
Fig. 4 is the flow chart of business switching handling method embodiment four of the present invention, and as shown in Figure 4, this business switch method can perform after embodiment of the method shown in above-mentioned Fig. 3, and the method for the present embodiment can comprise:
Step S401, after terminal equipment completes CS territory business in objective network, the switchback request message that receiving terminal apparatus sends.
Particularly, after the CS territory business in objective network completes, the request of the switchback LTE network that MME receiving terminal apparatus sends, MME determines the target LTE network of switchback.
Step S402, switches back the ongoing PS territory business switched in LTE network.
Particularly, after MME determines the target LTE network of switchback, the above-mentioned PS territory business switched is switched back target LTE network by notification target network.
Step S403, the business that receiving terminal apparatus sends hangs up recovery request message.
Particularly, after the switchback request message that step S401MME receiving terminal apparatus sends, the business that all right receiving terminal apparatus sends hangs up recovery request message, for notifying that eNodeB is by the PS territory business recovery of above-mentioned hang-up.
Step S404, informing business gateway is by the data cached base station sent in described LTE network.
Particularly, the data retransmission of the PS territory service buffer that terminal equipment is hung up by MME informing business gateway in CSFB process is to the eNodeB of the LTE network of switchback, after the PS territory business switchback switched completes, eNodeB sends to terminal equipment by data cached, recovers the PS territory business hung up.
Fig. 5 is the signaling process figure of business switching handling method embodiment five of the present invention, and as shown in Figure 5, in the present embodiment, objective network can make 3G/2G network, and this business switch method can comprise:
Step S501, when CS territory business initiated by terminal equipment, has PS territory business to carry out.When terminal equipment carries out PS territory business just in the lte networks, need to initiate CS territory business, at this moment start CSFB flow process.
Step S502, terminal equipment sends a notification message to MME.Terminal equipment, by after needing to initiate CS territory business in step S501, having business ongoing message informing in PS territory to receive this message to MME, MME, finds suitable objective network.
Step S503, carries out prioritization to ongoing PS territory business.Terminal equipment sorts to the priority orders just set on the terminal device in advance by user in ongoing PS territory business, if user is arranged, then the default priority provided by terminal equipment puts in order and sorts.
Step S504, request target network resource information.After MME searches out suitable objective network, send request the information of target network resource, request target network returns information such as whether supporting PS territory business, current network resources ability.
Step S505, returns target network resource information.Current network information is sent to MME, whether supports the information such as PS territory business, current network resources ability comprising this network after receiving the request network resource information of MME transmission by objective network.
If judge that objective network does not support PS territory business after the network resource information that the above-mentioned objective network that MME receives sends, then notify that current for terminal equipment ongoing PS territory business is hung up by eNodeB, eNodeB is hung up current ongoing PS territory business and current ongoing PS territory business is hung up by notification terminal equipment, and then terminal equipment carries out the business falling of CS territory.If MME judges after receiving the network resource information of above-mentioned objective network transmission that objective network supports PS territory business, carries out the following step.
Step S506, determines the PS territory business will carrying out switching.The target network resource information received is sent to terminal equipment by MME, and the PS territory business will carrying out switching determined by terminal equipment according to the priority orders sequenced in objective network current network resource and step S503.
Step S507, sends downlink data buffer memory Indication message to MME.Terminal equipment sends message informing MME to MME and does not carry out switching the PS territory business needing to hang up, and above-mentioned business downlink data is carried out buffer memory by instruction MME.
Step S508, sends downlink data buffer memory Indication message to eNodeB.MME sends message informing eNodeB to eNodeB and does not carry out switching the PS territory business needing to hang up, and above-mentioned business downlink data is carried out buffer memory by instruction eNodeB.
Step S509, sends data cached Indication message to Service Gateway.After eNodeB receives the downlink data buffer memory Indication message of MME transmission, send Indication message to Service Gateway, indicating services gateway receives the downlink data of the PS territory business that above-mentioned needs are hung up, and by data buffer storage to Service Gateway.
Step S510, the PS territory business downlink data that buffer memory is hung up.After Service Gateway receives the data cached Indication message that eNodeB sends, the downlink data receiving those PS territory business is gone forward side by side row cache.
Step S511, sends business to MME and switches message.After terminal equipment sends downlink data buffer memory Indication message, send business switch message to MME, notice MME will carry out the PS territory business switched.
Step S512, notice eNodeB switching/pending operation.MME notifies that ongoing PS territory business carries out switching/pending operation by eNodeB.
Step S513, notification terminal equipment hangs up the PS territory business do not switched.After eNodeB receives switching/pending operation instruction of MME transmission, notification terminal equipment hangs up the PS territory business do not switched.
Step S514, stops sending the upstream data hanging up PS territory business.After terminal equipment receives the instruction of eNodeB hang-up PS territory business, stop sending to eNodeB the upstream data not carrying out the PS territory business switched.
Step S515, notification terminal equipment hangs up the PS territory business do not switched.MME notification terminal equipment hangs up the PS territory business do not switched.
Step S516, will determine that the PS territory business switched switches to objective network.The PS territory business that the needs that MME informs by eNodeB switch switches to objective network and proceeds communication.
Step S517, switches completion notice.After eNodeB completes the PS territory business handover operation determining to switch, notification terminal equipment completes switching.
Step S518, falls after rise CS territory business to objective network.After terminal equipment receives the notice that PS territory switched, CS territory business is fallen after rise and starts to carry out CS business to objective network.
Step S519, normally carries out the PS territory business of CS territory business and switching.After terminal equipment completes above-mentioned steps S501 ~ step S518, in objective network, normally carry out CS territory business and switch to the PS territory business of objective network.
Step S520, terminates CS territory business.Terminal equipment completes CS territory business, carries out hanging up operation.
Step S521, sends switchback request message.Terminal equipment sends PS service switchback request message to MME, asks to switch to the PS territory business switchback LTE network of objective network.
Step S522, the business that sends hangs up recovery request message.Terminal equipment sends business to MME and hangs up recovery request message, and the PS territory business hung up is recovered by request MME.
Step S523, the data cached message of transmission and reception.After MME receives and hangs up recovery request message, to the data cached message of Service Gateway transmission and reception, the downlink data of the hang-up PS territory business of buffer memory is transmitted to eNodeB by informing business gateway.
Step S524, sends data cached.After Service Gateway receives the data cached message of reception that MME sends, the data of buffer memory are sent to eNodeB, and eNodeB is by data temporary storage.
Step S525, notice switchback PS territory business.After MME receives the switchback request message of terminal equipment transmission, to the PS territory business switchback LTE network that objective network transmission message informing objective network will switch.
Step S526, by the business switchback of PS territory.After objective network receives switchback notice, ongoing PS territory business is switched back LTE network and proceed communication.
Step S527, the PS territory business proper communication of switchback.After PS territory business is switched to eNodeB by objective network, those PS territory business begin through eNodeB and normally communicate with terminal equipment.
Step S528, sends data cached.After the PS territory business of switchback starts proper communication, the temporary PS of hang-up territory business down buffer storage data are sent to terminal equipment by eNodeB, and terminal equipment receives above-mentioned down buffer storage data.
Step S529, reception completion notice.Terminal equipment receives the data cached rear notice eNodeB that eNodeB sends.
Step S530, hangs up business recovery notice.The PS territory business recovery that the PS territory service concurrence that eNodeB recovers to have hung up after receiving the reception completion notice of terminal equipment transmission send message will to hang up to terminal equipment notification terminal equipment.
Step S531, normally carries out PS territory business.After completing steps S520 ~ step S530, terminal equipment normally carries out PS territory service communication.
It should be noted that, the various embodiments described above all describe the flow process of business switching handling method provided by the invention when terminal equipment carries out caller CS territory business, the flow process of the method for processing business described by the various embodiments described above, those skilled in the art can understand the flow process of the method for processing business provided by the invention when terminal equipment carries out called CS territory business, repeat no more herein.
Fig. 6 is the structural representation of terminal equipment embodiment one of the present invention.As shown in Figure 6, this terminal equipment can comprise:
Obtain determination module 61, in CS domain dropping process, obtain the current network resource information of objective network and determine by pre-set priority the PS territory business that needs switch according to network resource information;
Business handover module 62, for according to determine need switch packet switch domain service, send business to MME and switch message, comprise indication message in this business switching message, this indication message is used to indicate MME and determines to need the PS territory business switched to be switched in objective network by above-mentioned.
The terminal equipment of the present embodiment is for performing the technical scheme of embodiment of the method shown in Fig. 1, and it realizes principle and technique effect is similar, repeats no more herein.
Fig. 7 is the structural representation of terminal equipment embodiment two of the present invention.As shown in Figure 7, the terminal equipment of the present embodiment, on the basis of the structure of terminal equipment shown in Fig. 6, further, also comprises: receiver module 63, the network resource information that the objective network for receiving MME transmission is current.
Further, the terminal equipment of the present embodiment also comprises: buffer process module 64;
Also comprise hang-up indication information in the business switching message that business handover module 62 sends, this hang-up indication information is used to indicate MME and the PS territory business be not switched in objective network is hung up.Correspondingly, buffer process module 64, for sending downlink data buffer memory Indication message to MME, is transmitted to Service Gateway according to this downlink data buffer memory Indication message instruction eNodeB by data cached to make MME.
In addition, business handover module 62, also for sending switchback request message to MME, switches back the PS territory business switched in LTE network to make MME.Correspondingly, buffer process module 64, also hangs up recovery request message, to make MME informing business gateway by the data cached base station eNodeB sent in LTE network for sending business to MME.Correspondingly, receiver module 63, also for receiving the data cached of eNodeB transmission.
The terminal equipment of the present embodiment is for performing the technical scheme of embodiment of the method shown in Fig. 5, and it realizes principle and technique effect is similar, repeats no more herein.
Fig. 8 is the structural representation of Mobility Management Entity embodiment one of the present invention.As shown in Figure 8, this Mobility Management Entity can comprise:
Receiver module 71, the business sent for receiving terminal apparatus switches message, comprises indication message in this business switching message;
Handover module 72, for determining to need the PS territory business switched to be switched in objective network by terminal equipment according to above-mentioned indication message instruction eNodeB.
The Mobility Management Entity of the present embodiment is for performing the technical scheme of embodiment of the method shown in Fig. 3, and it realizes principle and technique effect is similar, repeats no more herein.
Fig. 9 is the structural representation of Mobility Management Entity embodiment two of the present invention.As shown in Figure 9, the Mobility Management Entity of the present embodiment, on the basis of Mobility Management Entity shown in Fig. 8, further, also comprises: sending module 73, for sending the current network resource information of objective network to terminal equipment.
Further, hang-up indication information is also comprised in the business switching message that receiver module 71 receives, correspondingly, Mobility Management Entity also comprises hang-up module 74, for being hung up by the packet switch domain service be not switched in objective network according to described hang-up indication information.
In addition, receiver module 71, also for the switchback request message of receiving terminal apparatus transmission.
Handover module 72, also for the ongoing PS territory business switched being switched back in LTE network.Correspondingly, hang up module 74, the business also sent for receiving terminal apparatus hangs up recovery request message, and informing business gateway is by the data cached eNodeB sent in LTE network.
The Mobility Management Entity of the present embodiment is for performing the technical scheme of embodiment of the method shown in Fig. 5, and it realizes principle and technique effect is similar, repeats no more herein.
Last it is noted that above embodiment is only for illustration of technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (16)
1. a business switching handling method, is characterized in that, comprising:
In circuit domain dropping process, obtain the current network resource information of objective network and determine by pre-set priority the packet switch domain service that needs switch according to network resource information;
According to the described packet switch domain service determining to need to switch, send business to Mobility Management Entity and switch message, comprise indication message in described business switching message, described indication message is used to indicate described Mobility Management Entity and determines to need the packet switch domain service switched to be switched in objective network by described.
2. method according to claim 1, is characterized in that, the network resource information that described acquisition objective network is current, also comprises:
Receive the network resource information that the objective network of described Mobility Management Entity transmission is current.
3. method according to claim 1 and 2, it is characterized in that, also comprise hang-up indication information in described business switching message, described hang-up indication information is used to indicate described Mobility Management Entity and is hung up by the packet switch domain service be not switched in objective network; Described before Mobility Management Entity transmission business switching message, also comprise:
Send downlink data buffer memory Indication message to base station, be transmitted to Service Gateway according to described downlink data buffer memory Indication message by data cached to make described base station.
4. method according to claim 3, is characterized in that, in described objective network after the business of completing circuit territory, also comprises:
Send switchback request message to described Mobility Management Entity, to make described Mobility Management Entity, the ongoing packet switch domain service switched is switched back in LTE network;
Send business to described Mobility Management Entity and hang up recovery request message, to make described Mobility Management Entity informing business gateway by the data cached base station sent in described LTE network;
Receive the data cached of described base station transmission.
5. a business switching handling method, is characterized in that, comprising:
The business that receiving terminal apparatus sends switches message, comprises indication message in described business switching message; Wherein, it is in circuit domain dropping process that described business switches message, obtain the current network resource information of objective network by described terminal equipment and after to determine the packet switch domain service needing to switch by pre-set priority according to network resource information, determine what the packet switch domain service needing to switch sent according to described;
According to described indication message, terminal equipment is determined to need the packet switch domain service switched to be switched in objective network.
6. method according to claim 5, is characterized in that, the business that described receiving terminal apparatus sends also comprises before switching message:
The current network resource information of described objective network is sent to described terminal equipment.
7. the method according to claim 5 or 6, is characterized in that, also comprise hang-up indication information in described business switching message, described method also comprises:
According to described hang-up indication information, the packet switch domain service be not switched in objective network is hung up.
8. method according to claim 7, is characterized in that, in described objective network after the business of completing circuit territory, described method also comprises:
The switchback request message that receiving terminal apparatus sends;
The packet switch domain service switched is switched back in LTE network;
The business that receiving terminal apparatus sends hangs up recovery request message;
Informing business gateway is by the data cached base station sent in described LTE network.
9. a terminal equipment, is characterized in that, comprising:
Obtain determination module, in circuit domain dropping process, obtain the current network resource information of objective network and determine by pre-set priority the packet switch domain service that needs switch according to network resource information;
Business handover module, for determining according to described the packet switch domain service needing switching, send business to Mobility Management Entity and switch message, comprise indication message in described business switching message, described indication message is used to indicate described Mobility Management Entity and determines to need the packet switch domain service switched to be switched in objective network by described.
10. terminal equipment according to claim 9, is characterized in that, also comprises:
Receiver module, the network resource information that the objective network for receiving the transmission of described Mobility Management Entity is current.
11. terminal equipments according to claim 10, it is characterized in that, hang-up indication information is also comprised in described business switching message, described hang-up indication information is used to indicate described Mobility Management Entity and is hung up by the packet switch domain service be not switched in objective network, and described terminal equipment also comprises:
Buffer process module, for sending downlink data buffer memory Indication message to described Mobility Management Entity, is transmitted to Service Gateway according to the base station in described downlink data buffer memory Indication message instruction LTE network by data cached to make described Mobility Management Entity.
12. terminal equipments according to claim 11, it is characterized in that, described business handover module, also for sending switchback request message to described Mobility Management Entity, switches back in LTE network to make described Mobility Management Entity by the ongoing packet switch domain service switched;
Described buffer process module, also hangs up recovery request message, to make described Mobility Management Entity informing business gateway by the data cached base station sent in described LTE network for sending business to described Mobility Management Entity;
Described receiver module, also for receiving the data cached of described base station transmission.
13. 1 kinds of Mobility Management Entity, is characterized in that, comprising:
Receiver module, the business sent for receiving terminal apparatus switches message, comprises indication message in described business switching message; Wherein, it is in circuit domain dropping process that described business switches message, obtain the current network resource information of objective network by described terminal equipment and after to determine the packet switch domain service needing to switch by pre-set priority according to network resource information, determine what the packet switch domain service needing to switch sent according to described;
Handover module, for determining to need the packet switch domain service switched to be switched in objective network by terminal equipment according to described indication message.
14. Mobility Management Entity according to claim 13, is characterized in that, also comprise:
Sending module, for sending the current network resource information of described objective network to described terminal equipment.
15. Mobility Management Entity according to claim 13 or 14, is characterized in that, described business switches in message and also comprises hang-up indication information, and described Mobility Management Entity also comprises:
Hang up module, for being hung up by the packet switch domain service be not switched in objective network according to described hang-up indication information.
16. Mobility Management Entity according to claim 15, is characterized in that, described receiver module, also for the switchback request message of receiving terminal apparatus transmission;
Described handover module, also for switching back in LTE network by the ongoing packet switch domain service switched;
Described hang-up module, also hang up recovery request message for the business that receiving terminal apparatus sends, informing business gateway is by the data cached base station sent in described LTE network.
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| CN103415037B (en) * | 2013-08-16 | 2015-08-12 | 宇龙计算机通信科技(深圳)有限公司 | Multi-mode single-standby mobile terminal and communication means |
| CN103476078B (en) * | 2013-09-11 | 2016-08-31 | 中国联合网络通信集团有限公司 | The method and apparatus of service switchover |
| WO2016106562A1 (en) * | 2014-12-30 | 2016-07-07 | 华为技术有限公司 | Circuit switched fallback method, device and system |
| CN105791062A (en) * | 2016-03-11 | 2016-07-20 | 中国联合网络通信集团有限公司 | Method for identifying service, home gateway, and home network system |
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