CN101873561A - Realization method of emergency service and equipment - Google Patents
Realization method of emergency service and equipment Download PDFInfo
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- CN101873561A CN101873561A CN200910135576A CN200910135576A CN101873561A CN 101873561 A CN101873561 A CN 101873561A CN 200910135576 A CN200910135576 A CN 200910135576A CN 200910135576 A CN200910135576 A CN 200910135576A CN 101873561 A CN101873561 A CN 101873561A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/50—Connection management for emergency connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
Abstract
The invention discloses a realization method of emergency service and equipment. The method comprises the following steps that: a first network receives an emergency service request of user equipment, wherein the first network is the network in which the user equipment currently resides; and the first network is informed of transferring the user equipment to a second network to execute the emergency service. Under the condition that that the first network in which the UE resides doest not support emergency service, by the means that the resided first network transfers the UE to other networks which can execute the emergency service, compared with the method that the existing UE re-selects other networks capable of executing the emergency service to reside in, the invention reduces the time delay of developing the emergency service, simultaneously ensures that the interruption of the ongoing PS network service in the residing network selected by the UE due to emergency calls does not occur, and further improves the service experience of users.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of implementation method of urgency traffic and equipment.
Background technology
Subnetwork can't support subscriber equipment (UE) to carry out urgency traffic at present, unsupported reason, may be UE current resident network do not support urgency traffic, also may be the urgency traffic processing mode supported of UE and UE current the processing mode of the urgency traffic supported of resident network do not match, and cause UE current resident network do not support UE to carry out urgency traffic.As current UMTS Terrestrial radio access network (E-UTRAN, the Evolved UMTS Territorial RadioAccess Network) network that resides in evolution of UE, and the E-UTRAN network can't support this UE to carry out urgency traffic.When if UE need carry out urgency traffic, then this UE needs to separate from the E-UTRAN network earlier, reselect other network then, carry out resident as GSM EDGE Radio Access Network/UMTS grounding wireless access network network (GERAN/UTRAN) etc., carry out urgency traffic again, this processing mode has increased the time delay that UE carries out urgency traffic.
Summary of the invention
The embodiment of the invention provides a kind of implementation method and equipment of urgency traffic, when the current first resident network of UE can't be supported urgency traffic, this first network can be transferred to UE and carry out urgency traffic in second network, makes UE reduce the time delay of carrying out urgency traffic.
The method that the embodiment of the invention provides a kind of urgency traffic to shift comprises:
First network receives the emergent operation request of subscriber equipment; Described first network is the current resident network of described subscriber equipment;
First network is known and described subscriber equipment need be transferred to second network, described subscriber equipment is transferred to second network carry out urgency traffic.
The embodiment of the invention also provides a kind of implementation method of urgency traffic, comprising:
Subscriber equipment determines that first network do not support described subscriber equipment to carry out urgency traffic;
Send transfer request to described first network,, carry out urgency traffic at described second network so that described first network is transferred to second network with described subscriber equipment; Described first network is the current resident network of described subscriber equipment.
The embodiment of the invention also provides a kind of mobile management entity, comprising:
Receiver module is used to receive the emergent operation request of subscriber equipment;
Shift module is used to know and described subscriber equipment need be transferred to second network, described subscriber equipment is transferred to described second network carry out urgency traffic.
The embodiment of the invention also provides a kind of subscriber equipment, comprising:
Processing module is used for definite first network and does not support described subscriber equipment to carry out urgency traffic, and described first network is the current resident network of described subscriber equipment;
Request module, be used for when definite first network does not support that described subscriber equipment is carried out urgency traffic, send transfer request to first network,, make described subscriber equipment carry out urgency traffic at second network so that described first network is transferred to second network with described subscriber equipment.
The method and apparatus that the described urgency traffic that provides of the embodiment of the invention shifts is provided, UE current the first resident network do not support under the situation of urgency traffic, UE is transferred to the means that to carry out other network of urgency traffic by the described first resident network, oneself reselect the resident method of other network that to carry out urgency traffic with respect to existing UE, reduced the time delay that urgency traffic is carried out.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is radio gradual network structure figure;
Fig. 2 is the implementation method flow chart according to a kind of urgency traffic of present embodiment;
Fig. 3 carries out the method flow diagram that urgency traffic shifts according to the notice of the first network based UE of present embodiment;
Fig. 4 is based on a kind of specific implementation flow chart of urgency traffic transfer method embodiment shown in Figure 3;
Fig. 5 is based on the another kind of specific implementation flow chart of urgency traffic transfer method embodiment shown in Figure 3;
Fig. 6 is known the current method flow diagram of realizing urgency traffic can't provide urgency traffic for UE the time according to present embodiment at first network;
Fig. 7 is based on a kind of specific implementation flow chart of urgency traffic transfer method embodiment shown in Figure 6;
Fig. 8 is based on the another kind of specific implementation flow chart of urgency traffic transfer method embodiment shown in Figure 6;
Fig. 9 is a kind of mobile management entity structural representation according to the embodiment of the invention;
Figure 10 is the structural representation according to a kind of subscriber equipment of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is radio gradual network structure figure, and this figure is at non-roaming scene.The core net of wireless evolution network mainly comprises mobile management entity (MME, Mobility Management Entity), gateway (S-GW, Serving Gateway), grouped data network gateway (P-GW, Packet DataNetwork Gateway, also be abbreviated as PDN Gateway) three logic function bodies, MME wherein is a mobile management net element, being responsible for Non-Access Stratum (NAS) signaling and NAS signaling encrypts and roams, functions such as tracking, distributing user temporary identity sign, safety function etc., it is corresponding to current universal mobile telecommunications system (UMTS, Universal Mobile Telecommunications System) the control plane part of internal services GPRS Support Node (SGSN, Serving GPRS Support Node).S-GW is responsible for the local mobility anchor point and the mobility anchor point and the Lawful Interception relevant information of third generation partner program (3GPP) internal system; P-GW then is responsible for strategy execution and charging and Lawful Interception correlation function.Home network server (HSS, Home Subscriber Server) is used for storing user subscription information.
Referring to Fig. 2, it is the method flow diagram according to a kind of urgency traffic transfer of present embodiment.Specifically comprise the steps: in the present embodiment
Wherein, UE sends above-mentioned emergent operation request and can comprise to the mode of first network:
1) UE sends service request information to MME, and MME belongs to first network, carries the urgency traffic indication in this service request information, for example: emergent service call indication (EMC indicator), MME receives described message, knows that UE initiates urgency traffic; Perhaps
2) UE sends packet data network (PDN) connection request message and gives MME, and same MME belongs to first network, and MME receives described PDN connection request message, knows that UE initiates urgency traffic;
Wherein, carrying APN (APN) information in the PDN connection request message that UE sent is urgent APN information, and MME discerns described APN information, knows that UE initiates urgency traffic; Perhaps, carry the urgency traffic indication in the PDN connection request message that UE sent, for example: EMC indicator, MME discern this urgency traffic indication, know that UE initiates urgency traffic; Perhaps
3) UE initiates emergency attached request message, and carrying type of attachment in this emergency attached request message is the emergency attached flow process, and MME discerns described type of attachment, knows that UE initiates urgency traffic.
UE can also indicate the MME that sends in first network with urgency traffic by other message, after described MME receives described indication, knows that described UE initiates urgency traffic.
Step 2, first network receives the emergent operation request from UE, know described subscriber equipment need be transferred to second network after, described UE is transferred to second network, make described UE in second network, carry out urgency traffic.
Here, first network knows that the mode that described subscriber equipment need be transferred to second network can comprise: when comprising in the described emergent operation request that first network does not support that the indication of urgency traffic or urgency traffic shift indication, the first network based indication information that receives is known and subscriber equipment need be shifted, and knows according to the configuration of self simultaneously subscriber equipment is transferred to second network; When comprising in the described emergent operation request when urgency traffic is transferred to the indication of second network, the first network based emergent operation request that receives is known subscriber equipment is transferred to second network.
Here, the method for transfer can be, first network can change (NACC, Network Assisted Cell Change) by network assisted cell, switches perhaps that (HO, Handover) flow process is transferred to UE on second network that can support urgency traffic.
Here, it can be according to local policy configuration that the urgency traffic that first network is initiated shifts, and for example, first network receives the emergent operation request from UE, initiates to shift, and is about to UE and transfers to second network that can support urgency traffic.So the reason of configuration can be, first network is not supported urgency traffic, the urgency traffic processing mode that the urgency traffic processing mode that perhaps UE supported and first network are supported does not match, for example, UE supports IMS-EMC, and the current network support is carried out circuit domain business-urgency traffic (CSoPS-EMC) by the packet domain of evolution, two kinds of patterns do not match, wherein, CSoPS-EMC is meant the urgency traffic that carries out under the CSoPS pattern, IMS-EMC is meant the urgency traffic that carries out under the IMS pattern, CSoPS is meant CS over EPS, promptly carries out circuit domain business by the packet domain of evolution.
It also can be to initiate according to user contracting data that the urgency traffic that first network is initiated shifts, for example, show in user's the subscription data that first network receives the emergent operation request from UE if the user initiates urgency traffic, initiate to shift, be about to UE and transfer to second network.Concrete, can contract in the subscription data, if first network can't support UE to carry out urgency traffic at Home Network, then receive emergent operation request when first network from UE, initiate to shift, be about to UE and transfer to and can support urgency traffic second network; Perhaps, can contract in the subscription data, UE can only initiate urgency traffic in second network, and first network receives the emergent operation request from UE, initiates to shift, and is about to UE and transfers to second network.
In the present embodiment, first network can be the E-UTRAN network; Second network can be GERAN or UTRAN network.
The method that the urgency traffic that using the embodiment of the invention provides shifts, UE can't carry out under the situation of urgency traffic at current the first resident network, UE is transferred to the means of other network that can carry out urgency traffic by the described first resident network, oneself reselect the resident method of other network that to carry out urgency traffic with respect to existing UE, reduced the time delay that urgency traffic is carried out.
Simultaneously, first network also can be when knowing that UE need carry out urgency traffic, with described UE global transfer to second network, the non-emergent business of described UE is operated according to the corresponding strategies of second network, if it is non-emergent when professional that second network allows described UE to carry out, can avoid the interruption of the ongoing non-emergent business of UE, increase user's experience.
Referring to Fig. 3, it is to carry out the method flow diagram that urgency traffic shifts according to the notice of the first network based UE of present embodiment.
Wherein, the urgency traffic information that first network is supported can be the information whether first network supports urgency traffic, further, can also be the urgency traffic processing mode of being supported; For example, the urgency traffic of first network notice UE, the first network support IMS or urgency traffic of CSoPS or the like;
If first network is not notified the information of any relevant first network support urgency traffic, UE can give tacit consent to first network and not support urgency traffic.
In the present embodiment, UE can accept to obtain message or the registration reject message urgency traffic information that first network is supported from the registration that receives.Even, UE can be known the urgency traffic information that first network is supported from the access network elements of first network, for example, the access network elements of first network is broadcasted the urgency traffic information that first network is supported to UE, that is to say that UE can also obtain the urgency traffic information that first network is supported from the broadcast that first network sends.
UE can also obtain the urgency traffic information of described first network according to the urgency traffic information that is comprised from other message that first network receives.
The problem that the network support urgency traffic mode of mentioning in the embodiment of the invention and the urgency traffic mode of terminal support are mated.In general, a particular network or support a kind of specific urgency traffic processing mode, or just do not support urgency traffic, for example, the urgency traffic of network support IMS or the urgency traffic of CSoPS or network are not supported urgency traffic.For terminal, can support multiple urgency traffic processing mode, for example, terminal support CS territory urgency traffic or the urgency traffic of IMS or the urgency traffic of CSoPS or the urgency traffic of IMS and the urgency traffic mode of CSoPS are all supported or the like, usually, terminal supports that certainly the urgency traffic processing mode of GERAN/UTRAN network is a CS territory urgency traffic mode, and operator can a certain urgency traffic processing mode of the preferential use of configurating terminal.
In the embodiment of the invention, if certain urgency traffic processing mode of first network support, for example, the urgency traffic mode of the first network support IMS, and terminal is also supported this kind urgency traffic processing mode, for example, terminal is also supported IMS urgency traffic mode, so just thinks that the urgency traffic mode of the first network support urgency traffic mode and terminal support is mated.Accordingly, if certain urgency traffic processing mode of first network support and terminal is not supported, think that then the urgency traffic processing mode that first network and terminal are supported does not match, for example, the urgency traffic mode of the first network support IMS, and terminal is supported the urgency traffic mode of CSoPS, terminal self decision-making or network are notified terminal so, when terminal initiation urgency traffic, terminal need be notified first network that it is transferred to the GERAN/UTRAN network and carry out urgency traffic.
Step 2 after UE receives the urgency traffic information that first network supports, according to the urgency traffic information that first network is supported, determines whether first network supports UE to carry out urgency traffic at current first network.Here, suppose to be defined as first network and can't support that UE carries out urgency traffic in current network.Described definite method can be,
First network notice UE does not support urgency traffic, and UE confirms that first network can't support that UE carries out urgency traffic in current network, and promptly UE receives the information of not supporting urgency traffic from first network, determines that first network do not support UE to carry out urgency traffic; Perhaps,
Its urgency traffic information of being supported of first network notice UE, whether UE mates with reference to urgency traffic information of self supporting and the urgency traffic information that first network that receives is supported, if the urgency traffic pattern that urgency traffic pattern that first network is supported and UE are supported self does not match, UE confirms that first network can't support that UE carries out urgency traffic in current network; Perhaps,
UE does not receive the information from any relevant first urgency traffic that network is supported of first network, and then UE determines that first network do not support urgency traffic.
Because UE has known that first network do not support that UE carries out urgency traffic in current network, then this urgency traffic transfer request can be regarded as a notice, and promptly UE notifies first network that it is transferred to second network that can support urgency traffic.Concrete, first network receives described urgency traffic transfer request, the special cell that carries in can identified emergency professional transfer request message or the urgency traffic transfer request message, thus the flow process of UE being transferred to second network that can support urgency traffic carried out.
Here, first network can be transferred to UE on second network that can support urgency traffic by NACC or HO flow process.
In the present embodiment, first network can be the E-UTRAN network; Second network can be GERAN or UTRAN network.
Use the embodiment of the invention, know that at UE current the first resident network can't support the urgency traffic of self supporting, or UE is known when current the first resident network is not supported urgency traffic, notify first network self to transfer to second network that to support urgency traffic, UE carries out urgency traffic in second network, like this, oneself reselect the resident method of other network that to carry out urgency traffic with respect to existing UE, reduced the time delay that urgency traffic is carried out, simultaneously, described UE other professional continuitys in transfer process have also been guaranteed, further perfect user's business experience.
Referring to Fig. 4, it is based on a kind of specific implementation flow chart of urgency traffic transfer method embodiment shown in Figure 3, in the present embodiment, base station (eNodeB) and MME belong to the E-UTRAN network, base station sub-system/RNS (BSS/RNS), mobile switching centre (MSC) and Serving GPRS Support Node (SGSN) belong to the GERAN/UTRAN network, and concrete steps are as follows:
Step 2, MME carries out authentication to UE, and authentication sends registration by the back and accepts message to UE.
It can be that to adhere to acceptance (Attach Accept) also can be that tracing section updating is accepted (TAU Accept) that message is accepted in this registration.This registration is accepted can carry the urgency traffic information that the E-UTRAN network is supported in the message.Wherein,
The urgency traffic information that the E-UTRAN network is supported can be the urgency traffic processing mode that the E-UTRAN network is supported, for example, for example MME handles to the UE IMS urgency traffic that provides support, and perhaps supports the CSoPS urgency traffic to handle or the like.
In addition, do not repel the urgency traffic processing mode that on behalf of network, speech processes mode that network supports also support, network to UE provide the voice settling mode also just meaning the urgency traffic processing mode is provided.For example, a network that possesses IMS speech processes ability can be supported the IMS urgency traffic, if UE is known the information of network support IMS speech processes, just means that also network also supports the IMS urgency traffic.
The urgency traffic information that the E-UTRAN network is supported can also be the information that the E-UTRAN network is not supported urgency traffic, and for example E-UTRAN network notice UE present networks is not supported urgency traffic.When the E-UTRAN network does not provide urgency traffic information, UE can determine that described E-UTRAN network do not support urgency traffic.
In the present embodiment, UE receives the message from the registration that receives, and knows the urgency traffic information that the E-UTRAN network is supported.
In the present embodiment, suppose to confirm as the E-UTRAN network and do not support that UE carries out urgency traffic in current network, so, when UE initiates urgency traffic, need informing network that it is transferred to other networks, as traditional GERAN/UTRAN network.
Concrete mode can be, no matter UE is in Idle state or connection status, UE sends service request information to MME, can carry first network in the message does not support the indication of urgency traffic or urgency traffic to shift indication (EMC Fallback indicator), MME receives this service request information and just thinks and received call announcement, carries out the flow process of UE being transferred to the GERAN/UTRAN network.
In the embodiment of the invention, UE can also be by sending other message, perhaps existing message is carried special cell and is not supported the indication of urgency traffic to be notified to MME the described urgency traffic transfer indication or first network, MME receives described other message or special cell, carries out the flow process of UE being transferred to the GERAN/UTRAN network.
Step 6 is transferred to the GERAN/UTRAN network with UE.
Concrete, can adopt one of following dual mode:
Mode A: packet domain handoff procedure (PS HO Procedure)
Carry out the process of measuring between 6a1:UE, source access network elements eNodeB and the current access network elements BSS/RNS;
6a2: carry out the packet domain switching flow UE is transferred to target GERAN/UTRAN network;
Mode B: network assisted cell changes (NACC) process
Carry out the process of measuring between 6b1:UE, source access network elements eNodeB and the current access network elements BSS/RNS;
6b2: carry out the NACC process;
Aforesaid way A and mode B are existing transfer process, repeat no more herein.
Step 7, after UE inserted target GERAN/UTRAN network, the BSS/RNS in the GERAN/UTRAN network sent service request, and COS is designated as urgency traffic.
Step 8, UE carries out urgency traffic in the GERAN/UTRAN network.
So far, finished the urgency traffic transfer, realized that UE carries out urgency traffic in the GERAN/UTRAN network.
Fig. 5 is based on the another kind of specific implementation flow chart of urgency traffic transfer method embodiment shown in Figure 3, and present embodiment comprises the steps:
Step 2, the E-UTRAN network does not pass through the UE authentication, and MME sends registration reject message to UE, and this registration reject message can be that to adhere to refusal (Attach Reject) also can be that tracing section updating is refused (TAU Reject).Carried the urgency traffic information that the E-UTRAN network is supported in this registration reject message equally, concrete identical with flow process shown in Figure 4, repeat no more.
As seen, difference embodiment illustrated in fig. 5 and embodiment illustrated in fig. 4 mainly is 2 points:
The one,, as UE during at the E-UTRAN network registry, the E-UTRAN network does not pass through the UE authentication, promptly in step 2, MME sends registration reject message to UE, and similarly, this registration reject message can be that to adhere to refusal (Attach Reject) also can be that tracing section updating is refused (TAU Reject).Carried the urgency traffic information that the E-UTRAN network is supported in this registration reject message equally.
The one,, under the limited scene of network insertion, under the normal condition, because network insertion is limited, UE can't access network, but when UE need initiate urgency traffic, UE sent emergency attached request message to MME, this emergency attached request message can be regarded as a notice, promptly notifies MME that it is transferred to the GERAN/UTRAN network.Similarly, can carry first network in this emergency attached request message does not support the indication of urgency traffic or urgency traffic to shift indication, MME receives this emergency attached request message and just thinks and received call announcement, carries out the flow process of UE being transferred to the GERAN/UTRAN network.
Need to prove that for Fig. 4 and flow process shown in Figure 5, the E-UTRAN network is first network, the GERAN/UTRAN network is second network.
As seen, use Fig. 4 of the present invention and embodiment illustrated in fig. 5, when UE knows that current resident E-UTRAN network can't be supported the urgency traffic of self supporting or not support urgency traffic, notice E-UTRAN network will self be transferred to the GERAN/UTRAN network that can support urgency traffic, UE carries out urgency traffic in the GERAN/UTRAN network, like this, oneself reselect the resident method of other network that to carry out urgency traffic with respect to existing UE, reduced the time delay that urgency traffic is carried out, guaranteeing simultaneously not can be owing to placement of emergency calls causes the ongoing PS service disconnection of the selected residing network of UE, further perfect user's business experience.
Referring to Fig. 6, it is to know the current method flow diagram that urgency traffic shifts that carries out can't provide urgency traffic for UE the time according to present embodiment at first network.
Wherein, the urgency traffic information that UE supported comprises: the urgency traffic processing mode that UE supported, for example, UE handles to the MME IMS urgency traffic that provides support, and perhaps supports the CSoPS urgency traffic to handle or the like.
In addition, do not repel the urgency traffic processing mode that on behalf of network, speech processes mode that network supports also support, UE to network provide the voice settling mode also just meaning the urgency traffic processing mode is provided.For example, a UE who possesses IMS speech processes ability can support the IMS urgency traffic, supports the information of IMS speech processes if network is known UE, just means that also UE also supports the IMS urgency traffic.Also promptly, the urgency traffic information that UE supported comprises the urgency traffic processing mode that UE supports, and/or UE provides the voice settling mode to network.
Step 2, whether first network validation, first network supports that UE carries out urgency traffic in current network.Here, suppose to confirm as first network and do not support that UE carries out urgency traffic in current network.
Wherein, first network can confirm whether support that UE carries out urgency traffic in current network in the following manner:
Whether support that according to the configure-ack of first network self UE carries out urgency traffic in current network; Perhaps,
Whether mate according to the urgency traffic information that urgency traffic information that UE supported and first network are supported self, confirm whether to support that UE carries out urgency traffic in current network; Perhaps,
CAMEL-Subscription-Information according to UE confirms whether support that UE carries out urgency traffic in current network.
The embodiment of the invention is not got rid of first network and is confirmed whether to support that by other modes UE carries out urgency traffic in current network.
Here, first network can be transferred to UE on second network that can support urgency traffic by NACC or HO flow process.
In the present embodiment, first network can be the E-UTRAN network; Second network can be GERAN or UTRAN network.
Use the embodiment of the invention, know currently can't provide urgency traffic for UE the time at first network, UE is transferred to second network, UE carries out urgency traffic in second network.Like this, oneself reselect the resident method of other network that to carry out urgency traffic with respect to existing UE, reduced the time delay that urgency traffic is carried out, guaranteeing simultaneously not can be owing to placement of emergency calls causes the ongoing PS service disconnection of the selected residing network of UE, further perfect user's business experience.In addition, use the embodiment of the invention, do not know at UE whether current resident E-UTRAN network is supported under the prerequisite of EMC, also can make UE carry out urgency traffic, thereby, the embodiment of the invention does not know at UE whether current resident E-UTRAN network is supported how to carry out EMC under the prerequisite of EMC, provide concrete solution.
Referring to Fig. 7, it is based on a kind of specific implementation flow chart of urgency traffic transfer method embodiment shown in Figure 6, and in the present embodiment, eNodeB and MME belong to the E-UTRAN network, and BSS/RNS, MSC and SGSN belong to the GERAN/UTRAN network, and concrete steps are as follows:
This login request message can be to adhere to request (Attach Request), also can be tracing section updating request (TAU Request).Can carry the urgency traffic information that UE supports in this register requirement, wherein, the urgency traffic information that UE supported comprises: the urgency traffic processing mode that UE supported.For example: UE supports CS territory or IMS or CSoPS or the like urgency traffic processing mode.
Step 2, MME is known the urgency traffic information that UE supports according to the register requirement that receives, according to the urgency traffic information that urgency traffic information that UE supported and E-UTRAN network are supported self, confirm whether the E-UTRAN network supports that UE carries out urgency traffic in current network.Here, suppose to confirm as the E-UTRAN network and do not support that UE carries out urgency traffic in current network.Wherein, confirm whether the E-UTRAN network is supported UE to carry out the urgency traffic mode in current network and had multiple, here suppose that whether the urgency traffic information that MME self is supported according to urgency traffic information that UE supported and E-UTRAN network mates, and confirms whether the E-UTRAN network supports that UE carries out urgency traffic in current network.
It can be that to adhere to acceptance (Attach Accept) also can be that tracing section updating is accepted (TAU Accept) that message is accepted in this registration.
If 4a UE is in Idle state, UE sends service request information to MME, and MME handles the service request of UE, and UE transfers to connection status.Be appreciated that if UE is current and be in connection status then this step does not exist.
4b, connection status UE send PDN connection request message to MME, and carrying APN information in the message is urgent APN information, and MME discerns described APN information, know that UE initiates urgency traffic.Perhaps carry the urgency traffic indication in the message, MME discerns described urgency traffic indication, knows that UE initiates urgency traffic.
The embodiment of the invention is not repelled alternate manner, allows MME know that UE initiates urgency traffic.For example: UE sends service request information to MME, carries the urgency traffic indication in the message, and for example, EMCindicator, MME receive described message, knows that UE initiates urgency traffic.
Need to prove, after MME knows that UE initiates urgency traffic, can trigger MME by one of following several modes and send transfer request message.
Mode one: the E-UTRAN network configuration is carried out for the urgency traffic with UE is transferred to other networks; Like this, as long as after MME knows that UE initiates urgency traffic, just this UE is transferred to other networks such as the GERAN/UTRAN network that to carry out urgency traffic; The E-UTRAN network so reason of configuration may be that the E-UTRAN network is not supported urgency traffic;
Mode two: after MME knows that UE initiates urgency traffic, the urgency traffic information that E-UTRAN is network based have been known UE and supported, and the urgency traffic information self supported of E-UTRAN network, determine whether the E-UTRAN network supports the current urgency traffic mode of supporting of UE, confirm promptly whether the urgency traffic information that urgency traffic information that the E-UTRAN network is supported and UE are supported mates, if do not match, then this UE is transferred to other networks such as the GERAN/UTRAN network that to carry out urgency traffic;
Mode three: after MME knows that UE initiates urgency traffic,, then this UE is transferred to other networks such as the GERAN/UTRAN network that to carry out urgency traffic if the subscription data of UE indication UE can only carry out urgency traffic at the GERAN/UTRAN network.For example, the subscription data of UE has stipulated and can only carry out urgency traffic at the GERAN/UTRAN network that even UE supports the information of urgency traffic and the information matches that MME supports urgency traffic so, MME also carries out the flow process of UE being transferred to the GERAN/UTRAN network.
Step 6 is transferred to the GERAN/UTRAN network with UE.
Concrete, can adopt one of following dual mode:
Mode A: packet domain handoff procedure (PS HO Procedure)
Carry out the process of measuring between 6a1:UE, source access network elements eNodeB and the current access network elements BSS/RNS;
6a2: carry out the packet domain switching flow UE is transferred to target GERAN/UTRAN network;
Mode B: network assisted cell changes (NACC) process
Carry out the process of measuring between 6b1:UE, source access network elements eNodeB and the current access network elements BSS/RNS;
6b2: carry out the NACC process;
Aforesaid way A and mode B are existing transfer process, repeat no more herein.
Step 7, after UE inserted target GERAN/UTRAN network, the BSS/RNS in the GERAN/UTRAN network sent service request, and COS is designated as urgency traffic.
Step 8, UE carries out urgency traffic in the GERAN/UTRAN network.
So far, finished the urgency traffic transfer, realized that UE carries out urgency traffic in the GERAN/UTRAN network.
Fig. 8 is based on the another kind of specific implementation flow chart of urgency traffic transfer method embodiment shown in Figure 6, and present embodiment comprises the steps:
Step 2, the E-UTRAN network does not pass through the UE authentication, and MME sends registration reject message to UE, and this registration reject message can be that to adhere to refusal (Attach Reject) also can be that tracing section updating is refused (TAU Reject).
As seen, difference embodiment illustrated in fig. 8 and embodiment illustrated in fig. 7 mainly is 2 points:
The one,, as UE during at the E-UTRAN network registry, the E-UTRAN network does not pass through the UE authentication, promptly in step 2, MME sends registration reject message to UE, and similarly, this registration reject message can be that to adhere to refusal (Attach Reject) also can be that tracing section updating is refused (TAU Reject).
The one,, under the limited scene of network insertion, under the normal condition, because network insertion is limited, UE can't access network, but when UE need initiate urgency traffic, UE sends emergency attached request message to MME, carries the urgency traffic information that UE supports in this emergency attached request message.Similarly, can carry the urgency traffic indication in this emergency attached request message, MME receives this message and just knows that UE need carry out urgency traffic, UE is transferred to the GERAN/UTRAN network that can support urgency traffic.
Need to prove that for Fig. 7 and embodiment illustrated in fig. 8, the E-UTRAN network is first network, the GERAN/UTRAN network is second network.
Need to prove,,, continue follow-up normal process, like this, also just do not need to exist the processing procedure of step 5～8 by this E-UTRAN network if E-UTRAN network support UE carries out urgency traffic in present networks for Fig. 7 and embodiment illustrated in fig. 8.
The described embodiment of application drawing 7 and Fig. 8 is known currently can't provide urgency traffic for UE the time at the E-UTRAN network, UE is transferred to the GERAN/UTRAN network, and UE carries out urgency traffic in the GERAN/UTRAN network.Like this, oneself reselect the resident method of other network that to carry out urgency traffic with respect to existing UE, reduced the time delay that urgency traffic is carried out, guaranteeing simultaneously not can be owing to placement of emergency calls causes the ongoing PS service disconnection of the selected residing network of UE, further perfect user's business experience.In addition, use the embodiment of the invention, do not know at UE whether current resident E-UTRAN network is supported under the prerequisite of EMC, also can make UE carry out urgency traffic, thereby, the embodiment of the invention does not know at UE whether current resident E-UTRAN network is supported how to carry out EMC under the prerequisite of EMC, provide concrete solution.
The embodiment of the invention also provides a kind of mobile management entity, and referring to Fig. 9, it comprises:
Wherein, above-mentioned shift module 902 obtains needs according to the indication information of the subscriber equipment that receives described subscriber equipment is transferred to second network; Perhaps, know that according to the configuration of self needs transfer to second network with described subscriber equipment; Perhaps, know that according to the subscription data of subscriber equipment the described subscriber equipment of needs transfers to second network.
Above-mentioned mobile management entity can also comprise:
Processing module is used for definite current resident network of described subscriber equipment and does not support described subscriber equipment to carry out urgency traffic, and with the result notification shift module.
Above-mentioned processing module according to self configuration or according to the subscription data of subscriber equipment determine described subscriber equipment resident network do not support described subscriber equipment to carry out urgency traffic, and will determine the result notification shift module; Perhaps,
When comprising the urgency traffic information that described subscriber equipment is supported in the emergent operation request that receiver module 901 receives, urgency traffic processing mode that processing module is supported according to described subscriber equipment and described subscriber equipment the urgency traffic processing mode supported of resident network determine described subscriber equipment resident network whether support described subscriber equipment to carry out urgency traffic, and will determine the result notification shift module.
Use the mobile management entity that the embodiment of the invention provides, UE can't carry out under the situation of urgency traffic at current the first resident network, UE is transferred to the means of other network that can carry out urgency traffic by the described first resident network, oneself reselect the resident method of other network that to carry out urgency traffic with respect to existing UE, reduced the time delay that urgency traffic is carried out, simultaneously UE other business in first network are transferred in second network, avoid other professional interruptions, increased user experience.
The embodiment of the invention also provides a kind of subscriber equipment, and referring to Figure 10, this subscriber equipment comprises:
Processing module 1001 is used for definite first network and does not support described subscriber equipment to carry out urgency traffic, and described first network is the current resident network of described subscriber equipment;
Request module 1002, be used for when definite first network does not support that described subscriber equipment is carried out urgency traffic, send transfer request to first network,, make described subscriber equipment carry out urgency traffic at second network so that described first network is transferred to second network with described subscriber equipment.
Above-mentioned subscriber equipment also comprises:
Acquisition module is used to obtain the urgency traffic information of being supported of described first network.
When the urgency traffic information that described first network that gets access to when acquisition module is supported comprised that first network is not supported urgency traffic, processing module 1001 did not support urgency traffic to determine that described first network do not support described subscriber equipment to carry out urgency traffic according to described first network; Perhaps, when the urgency traffic information of supporting when described first network that acquisition module obtained comprises the urgency traffic processing mode that first network supports, whether the urgency traffic processing mode that urgency traffic processing mode that processing module 1001 definite described first networks are supported and subscriber equipment are supported self mates, if do not match, described processing module determines that described first network do not support described subscriber equipment to carry out urgency traffic; Perhaps, when acquisition module was not received the urgency traffic information of first network, processing module 1001 definite first networks did not support described subscriber equipment to carry out urgency traffic.
Above-mentioned first network comprises the E-UTRAN network; Above-mentioned second network comprises GERAN or UTRAN network.
Use the subscriber equipment that the embodiment of the invention provides, when UE knows that current resident E-UTRAN network can't be supported the urgency traffic of self supporting or not support urgency traffic, notice E-UTRAN network will self be transferred to the GERAN/UTRAN network that can support urgency traffic, UE carries out urgency traffic in the GERAN/UTRAN network, like this, oneself reselect the resident method of other network that to carry out urgency traffic with respect to existing UE, reduced the time delay that urgency traffic is carried out, guaranteeing simultaneously not can be owing to placement of emergency calls causes the ongoing PS service disconnection of the selected residing network of UE, further perfect user's business experience.Use the embodiment of the invention, do not know at UE whether current resident E-UTRAN network is supported under the prerequisite of EMC, also can make UE carry out urgency traffic, thereby, the embodiment of the invention does not know at UE whether current resident E-UTRAN network is supported how to carry out EMC under the prerequisite of EMC, provide concrete solution.
Need to prove, in this article, relational terms such as first and second grades only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have the relation of any this reality or in proper order between these entities or the operation.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make and comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as this process, method, article or equipment intrinsic key element.Do not having under the situation of more restrictions, the key element that limits by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the said method execution mode is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, here the alleged storage medium that gets, as: ROM/RAM, magnetic disc, CD etc.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.All any modifications of being done within the spirit and principles in the present invention, be equal to replacement, improvement etc., all be included in protection scope of the present invention.
Claims (20)
1. the implementation method of a urgency traffic is characterized in that, comprising:
First network receives the emergent operation request of subscriber equipment; Described first network is the current resident network of described subscriber equipment;
First network is known and described subscriber equipment need be transferred to second network, described subscriber equipment is transferred to second network carry out urgency traffic.
2. the method for claim 1 is characterized in that, described first network is known and described subscriber equipment need be transferred to second network, comprising:
The indication information of the first network based subscriber equipment that receives obtains and described subscriber equipment need be transferred to second network; Perhaps
First network based self the configuration is known and described subscriber equipment need be transferred to second network; Perhaps
The subscription data of the first network based subscriber equipment is known needs described subscriber equipment to transfer to second network; Perhaps
When first network is determined to support that described subscriber equipment carries out urgency traffic, described subscriber equipment is transferred to second network.
3. method as claimed in claim 2 is characterized in that, described first network is determined to support the urgency traffic that carries out of described subscriber equipment to comprise:
First network based self the ability determines to support the urgency traffic that carries out of described subscriber equipment; Perhaps
When the urgency traffic processing mode of self being supported when the urgency traffic processing mode and first network of described subscriber equipment support included in the emergent operation request of described subscriber equipment did not match, first network was determined not to support described subscriber equipment to carry out urgency traffic in current network; Perhaps
First network obtains described first network and does not support described subscriber equipment to carry out urgency traffic from user's subscription data.
4. method as claimed in claim 2 is characterized in that, when the first network based indication information that receives subscriber equipment obtains described subscriber equipment need be transferred to second network time, described method also comprises:
First network sends the urgency traffic information that described first network is supported to described subscriber equipment, so that the urgency traffic information that described user terminal is supported according to the urgency traffic information of self supporting and described first network determines whether first networking supports the urgency traffic of described user terminal, and send indication information to described first network.
5. according to the arbitrary described method of claim 1 to 4, it is characterized in that,
Described emergent operation request is a packet data network PDN connection request, comprises APN APN information in the described PDN connection request; Perhaps,
Described emergent operation request is an emergency attached request, comprises in the described emergency attached request that urgency traffic shifts indication.
6. according to the arbitrary described method of claim 1 to 4, it is characterized in that the mode that described first network is transferred to second network with described subscriber equipment comprises: adopt network assisted cell to change the NACC mode, or adopt the HO mode of switching.
7. according to the arbitrary described method of claim 1 to 4, it is characterized in that,
Described first network comprises the UMTS Terrestrial radio access network E-UTRAN of evolution;
Described second network comprises GSM EDGE Radio Access Network GERAN or UMTS grounding wireless access network network UTRAN network.
8. the implementation method of a urgency traffic is characterized in that, comprising:
Subscriber equipment determines that first network do not support described subscriber equipment to carry out urgency traffic;
Send transfer request to described first network,, carry out urgency traffic at described second network so that described first network is transferred to second network with described subscriber equipment; Described first network is the current resident network of described subscriber equipment.
9. method according to claim 8 is characterized in that, subscriber equipment determines that first network do not support described subscriber equipment to carry out before the urgency traffic, also comprises:
Described subscriber equipment obtains the urgency traffic information that first network is supported.
10. method according to claim 9 is characterized in that, the mode that described subscriber equipment obtains the urgency traffic information of first network comprises:
Accept to obtain the message urgency traffic information that described first network is supported from the registration that receives; Perhaps
From the registration reject message that receives, obtain the urgency traffic information that described first network is supported; Perhaps
From the broadcast that receives, obtain the urgency traffic information that described first network is supported.
11. method according to claim 9 is characterized in that, described subscriber equipment determines that the mode that described first network does not support described subscriber equipment to carry out urgency traffic comprises:
When the urgency traffic information of supporting when first network that subscriber equipment obtained comprised that first network is not supported urgency traffic, described subscriber equipment determined that described first network do not support subscriber equipment to carry out urgency traffic; Perhaps,
When the urgency traffic information of supporting when first network that subscriber equipment obtained comprises the urgency traffic processing mode that first network supports, subscriber equipment determines whether the urgency traffic processing mode that urgency traffic processing mode that described first network is supported and subscriber equipment are supported self mates, if do not match, then described subscriber equipment determines that described first network do not support subscriber equipment to carry out urgency traffic; Perhaps,
When subscriber equipment was not received the urgency traffic information of being supported of first network, described subscriber equipment determined that first network do not support subscriber equipment to carry out urgency traffic.
12. method according to claim 8 is characterized in that, and is described so that described first network is transferred to second network with described subscriber equipment, comprising:
When comprising in the described transfer request that described first network does not support that the indication of urgency traffic or urgency traffic shift indication, so that the first network based described indication that receives is transferred to second network with described subscriber equipment; Perhaps,
When comprising in the described transfer request when described subscriber equipment transferred to the indication of second network, so that the first network based transfer request that receives is transferred to second network with described subscriber equipment.
13., it is characterized in that described transfer request is service request or adheres to request according to the arbitrary described method of claim 9 to 12.
14. a mobile management entity is characterized in that, comprising:
Receiver module is used to receive the emergent operation request of subscriber equipment;
Shift module is used to know and described subscriber equipment need be transferred to second network, described subscriber equipment is transferred to described second network carry out urgency traffic.
15. a kind of mobile management entity as claimed in claim 14 is characterized in that,
The indication information of the subscriber equipment that described shift module basis receives obtains needs described subscriber equipment is transferred to second network; Perhaps
Know that according to the configuration of self needs transfer to second network with described subscriber equipment; Perhaps
Know that according to the subscription data of subscriber equipment the described subscriber equipment of needs transfers to second network.
16. want 14 described mobile management entities, it is characterized in that described mobile management entity also comprises according to right:
Processing module is used for definite current resident network of described subscriber equipment and does not support described subscriber equipment to carry out urgency traffic, and with the result notification shift module.
17. Mobility Management Entity according to claim 16, it is characterized in that, described processing module according to self configuration or according to the subscription data of subscriber equipment determine described subscriber equipment resident network do not support described subscriber equipment to carry out urgency traffic, and will determine the result notification shift module; Perhaps
When comprising the urgency traffic information that described subscriber equipment supports in the emergent operation request that described receiver module receives, urgency traffic processing mode that described processing module is supported according to described subscriber equipment and described subscriber equipment the urgency traffic processing mode supported of resident network determine described subscriber equipment resident network whether support described subscriber equipment to carry out urgency traffic, and will determine the result notification shift module.
18. a subscriber equipment is characterized in that, comprising:
Processing module is used for definite first network and does not support described subscriber equipment to carry out urgency traffic, and described first network is the current resident network of described subscriber equipment;
Request module, be used for when definite first network does not support that described subscriber equipment is carried out urgency traffic, send transfer request to first network,, make described subscriber equipment carry out urgency traffic at second network so that described first network is transferred to second network with described subscriber equipment.
19. subscriber equipment according to claim 18 is characterized in that, described subscriber equipment also comprises:
Acquisition module is used to obtain the urgency traffic information of being supported of described first network.
20. subscriber equipment according to claim 19, it is characterized in that, when the urgency traffic information that described first network that gets access to when described acquisition module is supported comprised that first network is not supported urgency traffic, described processing module did not support urgency traffic to determine that described first network do not support described subscriber equipment to carry out urgency traffic according to described first network; Perhaps,
When the urgency traffic information of supporting when described first network that described acquisition module obtained comprises the urgency traffic processing mode that first network supports, described processing module determines whether the urgency traffic processing mode that urgency traffic processing mode that described first network is supported and subscriber equipment are supported self mates, if do not match, described processing module determines that described first network do not support described subscriber equipment to carry out urgency traffic; Perhaps,
When described acquisition module was not received the urgency traffic information of first network, described processing module determined that first network do not support described subscriber equipment to carry out urgency traffic.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910135576A CN101873561A (en) | 2009-04-27 | 2009-04-27 | Realization method of emergency service and equipment |
| PCT/CN2010/072042 WO2010124586A1 (en) | 2009-04-27 | 2010-04-22 | Emergency service implemention method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910135576A CN101873561A (en) | 2009-04-27 | 2009-04-27 | Realization method of emergency service and equipment |
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| CN101873561A true CN101873561A (en) | 2010-10-27 |
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| CN200910135576A Pending CN101873561A (en) | 2009-04-27 | 2009-04-27 | Realization method of emergency service and equipment |
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| CN (1) | CN101873561A (en) |
| WO (1) | WO2010124586A1 (en) |
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| CN102026133A (en) * | 2010-12-30 | 2011-04-20 | 华为技术有限公司 | Emergency call processing method, device and system |
| CN102204217A (en) * | 2011-05-30 | 2011-09-28 | 华为技术有限公司 | Method, apparatus and system for notifying network capability |
| CN103037320A (en) * | 2011-09-30 | 2013-04-10 | 中兴通讯股份有限公司 | Non-voice emergency service capability informing method and system |
| WO2017020746A1 (en) * | 2015-08-03 | 2017-02-09 | 电信科学技术研究院 | Method and device for establishing emergency pdn connection |
| CN106792612A (en) * | 2017-03-29 | 2017-05-31 | 努比亚技术有限公司 | One kind is without card emergent call processing method and terminal |
| CN108141736A (en) * | 2015-09-30 | 2018-06-08 | 奥兰治公司 | The method of processing transfer emergency call request |
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| CN101277518B (en) * | 2007-03-26 | 2012-02-08 | 中兴通讯股份有限公司 | Method for processing emergency service |
| GB0707387D0 (en) * | 2007-04-17 | 2007-05-23 | Lucent Technologies Inc | Single radio VCC:LTE-VMSC anchor solution |
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| WO2011157115A2 (en) * | 2011-05-30 | 2011-12-22 | 华为技术有限公司 | Method, apparatus and system for informing network capabilities |
| WO2011157115A3 (en) * | 2011-05-30 | 2012-04-26 | 华为技术有限公司 | Method, apparatus and system for informing network capabilities |
| CN103037320A (en) * | 2011-09-30 | 2013-04-10 | 中兴通讯股份有限公司 | Non-voice emergency service capability informing method and system |
| WO2017020746A1 (en) * | 2015-08-03 | 2017-02-09 | 电信科学技术研究院 | Method and device for establishing emergency pdn connection |
| CN108141736A (en) * | 2015-09-30 | 2018-06-08 | 奥兰治公司 | The method of processing transfer emergency call request |
| CN106792612A (en) * | 2017-03-29 | 2017-05-31 | 努比亚技术有限公司 | One kind is without card emergent call processing method and terminal |
| CN111034233A (en) * | 2017-08-09 | 2020-04-17 | 诺基亚通信公司 | Emergency voice service support indication |
| US11166145B2 (en) | 2017-08-09 | 2021-11-02 | Nokia Solutions And Networks Oy | Emergency voice service support indications |
| WO2019095143A1 (en) * | 2017-11-15 | 2019-05-23 | Oppo广东移动通信有限公司 | Mobility management method and apparatus |
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