CN101902715A - Emergency service processing method, equipment and network system - Google Patents
Emergency service processing method, equipment and network system Download PDFInfo
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- CN101902715A CN101902715A CN2009101421581A CN200910142158A CN101902715A CN 101902715 A CN101902715 A CN 101902715A CN 2009101421581 A CN2009101421581 A CN 2009101421581A CN 200910142158 A CN200910142158 A CN 200910142158A CN 101902715 A CN101902715 A CN 101902715A
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Abstract
The embodiment of the invention provides an emergency service processing method, emergency service processing equipment and a network system. The emergency service processing method comprises the following steps of: acquiring emergency service information of a network which is to be switched by user equipment UE needing switching and emergency service information of the UE; determining whether target networks which support the UE to perform emergency service are present in the network to be switched by the UE according to the emergency service information of the network to be switched by the UE and the emergency service information of the UE; if so, switching the emergency service performed by the UE to one of the target networks. The technical scheme provided by the embodiment of the invention can guarantee the uninterrupted emergency service when the UE performs network switching.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of processing method of urgency traffic, equipment and network system.
Background technology
Present most of network is all supported subscriber equipment (User Equipment, UE) carry out urgency traffic, no matter be in the UE of constrained state or be in the UE of non-constrained state, these most of networks all can utilize IP to be communicated with access network and IMS (IP Multimedia Subsystem, IP Multimedia System), guarantees normally carrying out of urgency traffic for UE provides urgency traffic.But in subnetwork, because a variety of causes, UE can not carry out urgency traffic in this subnetwork.If when UE is carrying out urgency traffic, switch to objective network from source network, and objective network is not supported the current urgency traffic that carries out of UE, then cause the ongoing urgency traffic of this UE to interrupt.
Summary of the invention
The embodiment of the invention provides a kind of emergency business processing method, equipment and network system, and in the time of can guaranteeing that UE carries out the network switching, urgency traffic does not interrupt.
In view of this, the embodiment of the invention provides:
A kind of emergency business processing method comprises:
Obtain the urgency traffic information of the to be switched network of the user equipment (UE) that need switch and the urgency traffic information of described UE;
According to the urgency traffic information of the to be switched network of described UE and the urgency traffic information of described UE, determine whether to exist in the to be switched network of described UE and support described UE to carry out the objective network of urgency traffic, if the urgency traffic that described UE is carried out switches in the described objective network.
A kind of emergency business processing method comprises:
Obtain the urgency traffic information of the user equipment (UE) that need switch;
According to the urgency traffic information of the to be switched objective network of the urgency traffic information of described UE and described UE, determine whether described objective network supports described UE to carry out urgency traffic;
The information of whether supporting described UE to carry out urgency traffic described objective network sends to the source network at the current place of described UE.
A kind of emergency business processing method comprises:
When the user equipment (UE) with SRVCC ability need switch, determine that described UE is in constrained state and is carrying out urgency traffic;
Initiate the SRVCC handoff request to mobile management network element, the ongoing urgency traffic of described UE is switched to the CS territory from the PS territory.
A kind of urgency traffic processing unit comprises:
First acquiring unit is used to obtain the urgency traffic information of the to be switched network of the user equipment (UE) that need switch;
Second acquisition unit is used to obtain the urgency traffic information of described UE;
Determining unit, be used for the urgency traffic information of the described UE that obtains in the urgency traffic information of the to be switched network of the described UE that obtains according to described first acquiring unit and the described second acquisition unit, determine whether to exist in the to be switched network of described UE and support described UE to carry out the objective network of urgency traffic;
Switch unit is used for determining to exist in the to be switched network of UE when supporting that described UE carries out the objective network of urgency traffic when described determining unit, and the urgency traffic that described UE is carried out switches in the described objective network.
A kind of urgency traffic processing unit is arranged in the to be switched objective network of UE, comprising:
Acquiring unit is used to obtain the urgency traffic information of the user equipment (UE) that need switch;
Determining unit is used for the urgency traffic information of the to be switched objective network of the urgency traffic information of the described UE that obtains according to described acquiring unit and described UE, determines whether described objective network supports described UE to carry out urgency traffic;
Transmitting element is used for the definite result according to described determining unit, and the information of whether supporting described UE to carry out urgency traffic described objective network sends to the source network at the current place of described UE.
A kind of urgency traffic processing unit comprises:
Determining unit is used for when the user equipment (UE) with SRVCC ability need switch, and determines that described UE is in constrained state and is carrying out urgency traffic;
Transmitting element is used for initiating the SRVCC handoff request to mobile management network element after described determining unit determines that described UE is in constrained state and is carrying out urgency traffic, and the ongoing urgency traffic of described UE is switched to the CS territory from the PS territory.
A kind of network system comprises: the mobile management network element in the source network, the mobile management network element in the objective network, wherein,
The mobile management network element of described objective network, the urgency traffic information that is used for the UE that needs that the mobile management network element of reception sources network sends switch, according to the urgency traffic information of described UE and the urgency traffic information of objective network, determine whether described objective network supports described UE to carry out urgency traffic, and the information whether described objective network supports described UE to carry out urgency traffic is sent to mobile management network element in the described source network;
Mobile management network element in the described source network, the urgency traffic information that is used for UE that needs are switched sends to the mobile management network element of objective network, whether the described objective network that the mobile management network element in the receiving target network sends supports described UE to carry out the information of urgency traffic, whether support described UE to carry out the information of urgency traffic according to described objective network, whether the described objective network of the access network element in the notification source network supports described UE to carry out urgency traffic.
The embodiment of the invention is according to the urgency traffic information of the to be switched network of UE and the urgency traffic information of UE, determine whether to exist in the to be switched network of UE and support this UE to carry out the objective network of urgency traffic, if, the urgency traffic of UE is switched to objective network, to guarantee can not cause the interruption of urgency traffic owing to the switching of UE.
The embodiment of the invention is according to the urgency traffic information of the to be switched objective network of UE and the urgency traffic information of UE, determine whether objective network supports UE to carry out urgency traffic, to determine result's (whether objective network supports UE to carry out the information of urgency traffic) notification source network, make source network determine that the result determines whether to agree that UE switches to objective network, guarantee can not cause the interruption of urgency traffic owing to the switching of UE according to this.
When the embodiment of the invention is being carried out urgency traffic as the UE that determines to be in constrained state, just initiate continuous (the Single Radio Voice CallContinuity of audio call of single wireless access to mobile management network element, SRVCC) handoff request, so that the ongoing urgency traffic of UE is switched to the CS territory from the PS territory, guarantee not interrupting of urgency traffic.
Description of drawings
Fig. 1 is the emergency business processing method flow chart that the embodiment of the invention one provides;
Fig. 2 is the emergency business processing method flow chart that the embodiment of the invention two provides;
Fig. 3 is the signaling diagram that the access network element in the embodiment of the invention two obtains professional limited indication and the professional limited reason indication of UE;
Fig. 4 is the emergency business processing method flow chart that the embodiment of the invention three provides;
Fig. 5 is the emergency business processing method flow chart that the embodiment of the invention four provides;
Fig. 6 is the emergency business processing method flow chart that the embodiment of the invention six provides
Fig. 7 is the urgency traffic processing unit structure chart that the embodiment of the invention seven provides;
Fig. 8 is the urgency traffic processing unit structure chart that the embodiment of the invention eight provides;
Fig. 9 is the urgency traffic processing unit structure chart that the embodiment of the invention nine provides.
Embodiment
Embodiment one:
Consult Fig. 1, the embodiment of the invention one provides a kind of emergency business processing method, and this method comprises:
101, obtain the urgency traffic information of the to be switched network of the user equipment (UE) that need switch and the urgency traffic information of described UE.
102, according to the urgency traffic information of the to be switched network of described UE and the urgency traffic information of described UE, determine whether to exist in the to be switched network of described UE and support described UE to carry out the objective network of urgency traffic, if the urgency traffic that described UE is carried out switches in the described objective network.
Wherein, the urgency traffic information of the network that UE is to be switched comprises the professional limited reason indication of the network support that UE is to be switched, and the urgency traffic information of UE comprises the professional limited reason indication of UE;
Perhaps, the urgency traffic information of the network that UE is to be switched comprises whether the to be switched network of UE supports the indication of urgency traffic, and the urgency traffic information of UE comprises that there is the indication of urgency traffic in UE.
The embodiment of the invention one is according to the urgency traffic information of the to be switched network of UE and the urgency traffic information of UE, determine whether to exist in the to be switched network of UE and support this UE to carry out the objective network of urgency traffic, if, the urgency traffic of UE is switched to objective network, to guarantee can not cause the interruption of urgency traffic owing to the switching of UE.
Embodiment two:
Consult Fig. 2, the embodiment of the invention two provides a kind of emergency business processing method, and this method is applicable to that this method comprised when the UE that is under the constrained state and carries out urgency traffic network takes place switched:
201, the access network element in the source network obtains professional limited indication and the professional limited reason indication of UE.
Because the particularity of urgency traffic, network may support UE to be in the urgency traffic that some in particular cases carries out, there is not international mobile subscriber identity (International Mobile SubscriberIdentification Number such as UE, IMSI), perhaps UE is in restricted area, perhaps UE does not obtain network authorization etc., if UE does not have IMSI, then this moment is professional limited former because there is not IMSI; If UE is in restricted area, then this moment is professional limited former because UE is in restricted area; If UE does not obtain network authorization, then this moment is professional limited former because do not obtain network authorization.
Access network element in the follow-up source network is indicated according to the limited reason of business and is known the professional limited reason of UE in source network.
202, the access network element in the source network obtains the urgency traffic information of a plurality of networks, and wherein, the urgency traffic information of each network comprises: whether this network supports the indication of urgency traffic, and/or, the professional limited reason indication of this network support.Urgency traffic information comprises the professional limited reason indication of network support at least in the present embodiment.Wherein, the professional limited reason of the UE of urgency traffic is carried out in professional limited this network support of reason sign of network support.That is, if the professional limited reason of UE belongs to the professional limited reason that the professional limited reason indication of this network support is identified, then this network support UE carries out urgency traffic.
Wherein, above-mentioned a plurality of networks are networks that UE may switch to, i.e. the to be switched objective network of UE.
The information that access network element in this step in the source network obtains the urgency traffic of a plurality of network supports can be that the access network element in the source network obtains from other network element devices, also can be to obtain from the information that is pre-configured in this access network element.
Wherein, need to prove that above-mentioned steps 201, step 202 do not have sequencing, do not influence realization of the present invention.
203, when knowing that UE need carry out the network switching, access network element in the source network is according to carrying APR information, determine that UE is carrying out urgency traffic, the professional limited reason indication of the professional limited reason of the UE that obtains in advance and a plurality of network supports, determine whether to exist in a plurality of networks network that the UE that supports to have the limited reason of above-mentioned business carries out urgency traffic (wherein, the network that the UE that support has a limited reason of above-mentioned business carries out urgency traffic is called objective network), if, carry out 204, if not, carry out 205.
The specific implementation of this step can be: judge that respectively the professional limited reason indication of each network support in a plurality of networks and the professional limited reason of UE indicate whether coupling, if exist in a plurality of networks with the professional limited reason of UE and indicate the network that is complementary, then determine to exist in a plurality of networks and support UE to carry out the objective network of urgency traffic, this objective network is with the professional limited reason of UE and indicates the network that is complementary.
204, the ongoing urgency traffic of UE is switched in the objective network process ends.
205, if this UE has the SRVCC ability, then initiate SRVCC and switch, (Packet Switch, PS) territory switches to circuit switching (CircuitSwitch, CS) territory from packet switching with the ongoing urgency traffic of UE.
Wherein, the specific implementation of this step is: access network element is initiated the SRVCC handoff request to mobile management network element in the source network, mobile management network element is based on grade of service sign (the QualityClass Identity of carrying, QCI) voice bearer of identified emergency business, (Mobile Switching Center MSC) initiates the conversion of PS territory to the CS territory to target mobile switching centre at the voice bearer of urgency traffic.
Wherein, step 201 can realize by following several modes at least:
First kind of mode: as shown in Figure 3, comprising:
301, UE initiates Attach Request message to access network element.
Lay oneself open to constrained state if UE is known, then the Attach Request message that sends in this step is an emergency attached request message.
302, access network element is transmitted Attach Request message to mobile management network element.
303, carry out attaching process, determine that in this attaching process the UE business is limited, and the limited reason of record traffic.
Concrete, in attaching process, obtain the subscription data of UE, and UE is carried out authentication, determine according to the subscription data of UE whether UE is in restricted area, if UE is in restricted area, record traffic is limited former because UE is in restricted area; If the failed authentication of UE is false such as the IMSI of UE, record traffic is limited former because failed authentication or the like.
304-305, mobile management network element send to adhere to UE accepts message, adhere in the process of accepting message in transmission, initial context is set up initial context setup message send to access network element, this initial context is set up the professional limited indication and the professional limited reason indication of carrying UE in the message.
The second way: can in the tracing section updating process, notify access network element with professional limited indication and the professional limited reason indication of UE, accept in the message TAUAccept process such as sending tracking area to UE at mobile management network element, mobile management network element carries professional limited indication and the professional limited reason indication of UE in the descending NAS message transfer Downlink NAS transport that access network element sends, this mode is not limited to concrete application scenarios, go for UE by the tracing section updating of normal region to confined area, perhaps be applicable to the tracing section updating of confined area to confined area, this mode goes for the tracing section updating that UE carries out at Idle state, the also tracing section updating that carries out at connected state applicable to UE, the also tracing section updating that after switching, carries out applicable to UE.
The third mode: UE switches when connected state, professional limited in the network that is switched to, need professional limited indication and the professional limited reason indication of notification target access network element UE, this mode is not limited to concrete application scenarios, go for UE and switch to restricted mode (such as switching to confined area), also go for UE and switch to restricted mode (such as switching to confined area) by confined area by restricted mode by the normal region by normal mode.
Concrete, above-mentioned the third implementation can be among following mode A or the B any:
Mode A: in X2-based handover process, by mobile management network element with the professional limited indication of UE and professional limited reason indication notification target access network element, such as by path handover request ack message (path switch request ack) notification target access network element (being the access network element in the step 201).
Mode B: when S1-based handover, can be by professional limited indication and the professional limited reason indication of mobile management network element by handoff request message (handover request) notification target access network element UE.
The 4th kind of mode: UE is with oneself professional limited indication and professional limited reason indication notice access network element in session management procedure, and for example UE can set up the professional limited indication and the professional limited reason indication of carrying UE in the request Bearer Setup Request/PDN connection request PDN connectivity accept message to the carrying that access network element sends at it.
The 5th kind of mode: in the modification process of subscription data, notify access network element with professional limited indication and the professional limited reason indication of UE, such as adhering at UE after (can be normally to adhere to or emergency attached) finish, the subscription data of UE changes, so when inserting subscription data again, mobile management network element finds that the UE business is limited at this moment, so can be in bearing modification request bearer modify request or descending Non-Access Stratum transmission Downlink NAS transport message, the professional limited indication of this UE of notice access network element and professional limited reason indication.
Need to prove: in above-mentioned first kind of implementation (the professional limited indication of notice UE and professional limited reason indication in the attaching process), second kind of implementation (notifying access network element with professional limited indication and the professional limited reason indication of UE in the tracing section updating process), in the third implementation (notifying access network element with professional limited indication and the professional limited reason indication of UE in the handoff procedure) and in the 5th kind of mode (notifying access network element with professional limited indication and the professional limited reason indication of UE in the modification process of subscription data), when the professional limited indication of notice access network element UE and professional limited reason are indicated, possible UE does not also carry out urgency traffic, and follow-up UE just initiates urgency traffic.
Wherein, step 202 can realize at least in the following way:
First kind of implementation: mobile management network element has disposed the urgency traffic information of a plurality of networks that mobile management network element is relevant therewith, a plurality of networks herein are the network that UE may switch to, and mobile management network element is with the urgency traffic information notice access network element of a plurality of networks.Concrete, mobile management network element may be in following process but is not limited to notify access network element in these processes: when UE was attached to network, mobile management network element was set up the urgency traffic information notice access network element of initial context setup message with a plurality of networks by initial context; Perhaps, in the tracing section updating process, the urgency traffic information of access network element a plurality of networks that mobile management network element is relevant therewith that mobile management network element notice UE adheres to.
Second kind of implementation: mobile management network element has disposed the urgency traffic information of a plurality of networks that mobile management network element is relevant therewith, a plurality of networks herein are the network that UE may switch to, in the X2-based handoff procedure, this mobile management network element (being the mobile management network element of source) by path handover request ack message Path switch request ack will be relevant with self the urgency traffic information notice access network element of other network.
The third implementation: access network element obtains the urgency traffic information of a plurality of networks from the target side mobile management network element: such as when switching, the target side mobile management network element is by the urgency traffic information notification source side shifting managed network element of preceding commentaries on classics switching response message Forward relocation response with objective network, by switching command handover command the urgency traffic information notification source side joint of objective network is gone into network element again by the source mobile management network element then, the source access network element can be preserved the urgency traffic information of these networks get off, and is convenient to the follow-up objective network of selecting switching for UE of this source access network.
Need to prove, in embodiments of the present invention, mobile management network element in the source network also can be according to the urgency traffic information of the urgency traffic information of obtaining the to be switched network of UE and UE, determine whether to exist and support described UE to carry out the objective network of urgency traffic, if exist then that described UE is switched in the described objective network carries out urgency traffic, if there is no then initiating SRVCC switches, perhaps initiating non-3GPP switches, the urgency traffic of described UE is switched to the CS territory, guarantee normally carrying out of UE urgency traffic.
When the embodiment of the invention two is carried out urgency traffic at the UE that is in constrained state, professional limited reason indication according to a plurality of network supports, in a plurality of networks, search and support UE to carry out the network of urgency traffic, if find just this UE to be switched to and support that UE carries out in the network of urgency traffic, if do not find, then the urgency traffic with this UE switches to the CS territory from the PS territory, guarantees that the ongoing urgency traffic of UE can not cause because of switching interrupting.
Embodiment three:
Consult Fig. 4, the embodiment of the invention three provides a kind of emergency business processing method, and this method is applicable to that this method comprised when the UE that is under the normal condition and carries out urgency traffic network takes place switched:
401, the access network element in the source network obtains the urgency traffic information of a plurality of networks, and the urgency traffic information of each network support of being obtained comprises: whether this network supports the indication of urgency traffic.
Five kinds of implementations that access network element in this step in the source network obtains in the step 201 of mode and embodiment two of urgency traffic information of a plurality of networks are similar, do not repeat them here.
402, when knowing that UE need carry out the network switching, access network element in the source network is according to carrying APR information, determine that UE is carrying out urgency traffic, at this moment, can there be the indication of urgency traffic for UE in above-mentioned carrying APR information, whether support the indication of urgency traffic according to each network in a plurality of networks that obtain, search whether there is the network of supporting urgency traffic in a plurality of networks, if carry out 403, if not, process ends.
403, the ongoing urgency traffic of UE is switched in the network of supporting urgency traffic in above-mentioned a plurality of network.
If two above network support urgency traffics are arranged, then select a network, the urgency traffic of UE is switched in the selected network, if a network support urgency traffic is only arranged, then the ongoing urgency traffic of UE is switched in this network.
Need to prove, in embodiments of the present invention, mobile management network element in the source network also can be according to the urgency traffic information of the urgency traffic information of obtaining the to be switched network of UE and described UE, determine whether to exist and support described UE to carry out the objective network of urgency traffic, if exist then that described UE is switched in the described objective network carries out urgency traffic, if there is no then initiating SRVCC switches, perhaps initiating non-3GPP switches, the urgency traffic of described UE is switched to the CS territory, guarantee normally carrying out of UE urgency traffic.
When the embodiment of the invention three is carried out urgency traffic at UE, whether support the indication of urgency traffic, in a plurality of networks, search the network of supporting urgency traffic, if just find urgency traffic to switch in the network that is found this UE support according to a plurality of networks.
Embodiment four:
Consult Fig. 5, the embodiment of the invention four provides a kind of emergency business processing method, and this method is applicable to that this method comprised when the UE that is under the constrained state and carries out urgency traffic network takes place switched:
501, the source access network element sends handoff request message to the source mobile management network element.
502, the source mobile management network element changes handoff request message before target mobility management network element sends, and comprises in this message: the professional limited reason indication of UE can also comprise the professional limited indication of UE in this message.
Wherein, target mobility management network element is the mobile management network element in the to be switched network of UE.
503, target mobility management network element is determined the professional limited reason of UE according to the professional limited reason indication of the UE that receives, confirms whether objective network supports the UE with the limited reason of above-mentioned business to carry out urgency traffic, if, carry out 504, if not, carry out 507.
The specific implementation of this step can be: determine that the professional limited reason indication of objective network support and the professional limited reason of UE indicate whether coupling, if determine that objective network support UE carries out urgency traffic.
504, target mobility management network element sends the carrying request of creating to the destination service gateway, and the destination service gateway sends to target mobility management network element and creates the carrying response, creates the carrying of transmission data between target mobility management network element and the destination service gateway.
505, target mobility management network element sends handoff request to target access network unit, and target access network unit sends to switch to target mobility management network element and confirms.
506, target mobility management network element sends the carrying request of creating to the destination service gateway, and the destination service gateway sends to target mobility management network element and creates the carrying response, creates the carrying that source network is set up to the forwarding data of objective network.
507, target mobility management network element is changeed switching response message before the source mobile management network element sends, do not support UE to carry out urgency traffic if determine objective network in the step 503, carrying objective network in the commentaries on classics switching response message before then being somebody's turn to do does not support UE to carry out the indication of urgency traffic, support that UE carries out urgency traffic if determine objective network in the step 503, carry objective network before then being somebody's turn to do in the commentaries on classics switching response message and support that UE carries out the indication of urgency traffic; Perhaps, no matter whether objective network supports UE to carry out urgency traffic, and target mobility management network element is carried the professional limited indication that objective network is supported in the preceding commentaries on classics switching response message that the source mobile management network element sends.
Perhaps, represent when preceding commentaries on classics switching response message is carried indication information element that objective network supports UE to carry out urgency traffic, do not carry indication information element and represent that objective network do not support UE to carry out urgency traffic; Perhaps, represent when preceding commentaries on classics switching response message is carried indication information element that objective network do not support UE to carry out urgency traffic, do not carry indication information element and represent that objective network supports that UE carries out urgency traffic.
Wherein, before change the professional limited reason indication of carrying the objective network support in the switching response message mode can have a variety of, such as, utilize the situation of a limited reason of byte-identifier supporting business, if certain bit in this byte is 1, then express support for the limited reason of corresponding service.
508, the source mobile management network element is according to preceding commentaries on classics switching response message, determine whether objective network supports UE to carry out urgency traffic, determine promptly whether objective network supports the UE with the limited reason of above-mentioned business to carry out urgency traffic, if support, send the carrying request of creating to the source gateway, the source gateway sends to the source mobile management network element and creates the carrying response, continue to carry out 509, if do not support, then reselect an objective network, execution in step 502.
509, the source mobile management network element sends switching command to the source access network element.
510, the source access network element sends switching command to UE.
If the source mobile management network element determines that objective network do not support UE to carry out urgency traffic in the step 508, then the source mobile management network element sends to switch to the source access network element and prepares failed message (handoverpreparation failure), carries objective network and do not support UE to carry out the indication of urgency traffic in this message.
Follow-up this access network element initiates to switch in the PS territory again, perhaps for UE with SRVCC ability, this access network element is initiated the SRVCC switching this urgency traffic is switched to the CS territory from the PS territory, SRVCC switches can all switch to the CS territory with whole business, also can only the carrying of urgency traffic be cut over, the carrying of other non-emergent business is hung up.After urgency traffic is finished, can be with urgency traffic switchback PS territory again.
For the UE that does not have the SRVCC ability, perhaps in special time, can not find and support that UE carries out under the situation of urgency traffic, cell can be in this message, carried and switching can not be finished with indication UE, concrete this cell can comprise that expression can not finish the reason indication of switching, does not support to have urgency traffic that the UE of the limited reason of above-mentioned business carries out etc. as objective network.UE can initiate the switching of non-3GPP network after receiving this cell, guarantee that urgency traffic does not interrupt.
The urgency traffic information that the embodiment of the invention four is supported according to the to be switched objective network of UE, judge whether this this network supports UE to carry out urgency traffic, whether decision allows UE to switch to this network according to judged result, to guarantee can not cause owing to the switching of UE the interruption of urgency traffic.
Embodiment five:
The embodiment of the invention five provides a kind of emergency business processing method, this method is applicable to when the UE that is under the normal condition and carries out urgency traffic network takes place switches, the difference part of this method and embodiment four is: the source mobile management network element carries the indication that there is urgency traffic in UE in the commentaries on classics handoff request message before target mobility management network element sends in step 502, this indication expression UE is carrying out urgency traffic, target mobility management network element judges whether objective network supports urgency traffic in the step 503, carries the indication whether objective network supports urgency traffic in the preceding commentaries on classics switching response message in step 507.In step 508, when the source mobile management network element determines that objective network is supported urgency traffic, send the carrying request of creating to the source gateway, the source gateway sends to the source mobile management network element and creates the carrying response.
If objective network is not supported urgency traffic, can in switching preparation failed message (handoverpreparation failure), not support urgency traffic by notice access network element objective network.Follow-up access network element is initiated again to switch in the PS territory or is initiated the SRVCC switching the ongoing urgency traffic of UE is switched to the CS territory from the PS territory.
For the UE that does not have the SRVCC ability, perhaps in special time, can not find and support that UE carries out under the situation of urgency traffic, cell can be in this message, carried and switching can not be finished with indication UE, UE can initiate the switching of non-3GPP network after receiving this cell.
The urgency traffic information that the embodiment of the invention five is supported according to the to be switched objective network of UE, judge whether this objective network supports urgency traffic, whether decision allows UE to switch to objective network according to judged result, to guarantee can not cause owing to the switching of UE the interruption of urgency traffic.
Embodiment six:
Consult Fig. 6, the embodiment of the invention six provides a kind of emergency business processing method, and access network element is initiated SRVCC and switched when knowing that the UE that is under the constrained state is carrying out urgency traffic in this method, and this method specifically comprises:
601, the access network element in the source network obtains the professional limited indication of UE.
Wherein, five kinds of implementations that the access network element of source network obtains in the step 201 of mode and embodiment two of professional limited indication of UE in this step are similar, do not repeat them here.
602, when knowing that UE need carry out the network switching, the access network element in the source network determines that according to carrying APR information UE is carrying out urgency traffic, and the professional limited indication of the UE that obtains in advance knows that UE is under the constrained state.
603, if this UE has the SRVCC ability, then initiate SRVCC and switch, the ongoing urgency traffic of UE is switched to the CS territory from the PS territory.
The specific implementation of this step is similar to the corresponding description of step 205 among the embodiment two, does not repeat them here.
The embodiment of the invention six is just initiated the SRVCC handoff request to mobile management network element when knowing that the UE that is in constrained state is carrying out urgency traffic, so that the ongoing urgency traffic of UE is switched to the CS territory from the PS territory, guarantee not interrupting of urgency traffic.
Embodiment seven:
Consult Fig. 7, the embodiment of the invention six provides a kind of urgency traffic processing unit, and this urgency traffic processing unit can be arranged in the access network element of source network or be arranged in the Mobility Management Entity of source network, comprising:
First acquiring unit 701 is used to obtain the urgency traffic information of the to be switched network of the user equipment (UE) that need switch;
Second acquisition unit 702 is used to obtain the urgency traffic information of described UE;
Determining unit 703, be used for the urgency traffic information of the described UE that obtains in the urgency traffic information of the to be switched network of the described UE that obtains according to described first acquiring unit and the described second acquisition unit, determine whether to exist in the to be switched network of described UE and support described UE to carry out the objective network of urgency traffic;
Switch unit 704 is used for determining to exist in the to be switched network of UE when supporting that described UE carries out the objective network of urgency traffic when described determining unit, and the urgency traffic that described UE is carried out switches in the described objective network.
Wherein, the urgency traffic information of the network that UE is to be switched comprises the professional limited reason indication of the network support that UE is to be switched, and the urgency traffic information of UE comprises the professional limited reason indication of described UE; This moment determining unit 703, be used for indicating whether coupling according to the professional limited reason indication of the to be switched network support of described UE and the professional limited reason of UE, determine whether there is the network that mates with the professional limited reason indication of UE in the to be switched network of described UE, the described network that mates with the professional limited reason indication of UE is described objective network.
Perhaps, the urgency traffic information of the network that UE is to be switched comprises whether the to be switched network of UE supports the indication of urgency traffic, and the urgency traffic information of UE comprises that there is the indication of urgency traffic in UE.
Preferably, when the urgency traffic processing unit is arranged in the access network element of source network, this device also comprises: first message sending unit 705, be used for having the SRVCC ability as described UE, and do not exist in the to be switched network of UE when supporting that described UE carries out the objective network of urgency traffic, mobile management network element in source network sends the SRVCC handoff request, with request the ongoing urgency traffic of described UE is switched to the circuit switching (CS) territory from packet switching PS territory; Perhaps, second message sending unit is used for sending a notification message to described UE, initiates the switching of non-3GPP network to notify described UE.
The urgency traffic processing unit is according to the urgency traffic information of the to be switched network of UE in the embodiment of the invention seven, determine whether to exist in the to be switched network of UE and support this UE to carry out the objective network of urgency traffic, if, UE is switched to objective network, to guarantee can not cause the interruption of urgency traffic owing to the switching of UE.
Embodiment eight:
Consult Fig. 8, the embodiment of the invention eight provides a kind of urgency traffic processing unit, and this urgency traffic processing unit can be arranged in the target mobility management network element of objective network, and this device comprises:
Acquiring unit 801 is used to obtain the urgency traffic information of the user equipment (UE) that need switch;
Determining unit 802 is used for the urgency traffic information of the to be switched objective network of the urgency traffic information of the described UE that obtains according to described acquiring unit and described UE, determines whether described objective network supports described UE to carry out urgency traffic;
Transmitting element 803 is used for the definite result according to described determining unit, and the information of whether supporting described UE to carry out urgency traffic described objective network sends to the source network at the current place of described UE.
Wherein, the urgency traffic information of described UE comprises that there is the indication of urgency traffic in described UE, and the urgency traffic information of described objective network comprises whether described objective network supports the indication of urgency traffic.
Perhaps, the urgency traffic information of UE comprises the professional limited reason indication of described UE, the urgency traffic information of objective network comprises the professional limited reason indication that described objective network is supported, this moment determining unit 803, be used for determining that the professional limited reason indication of described objective network support and the professional limited reason of UE indicate whether coupling, if determine that described objective network supports described UE to carry out urgency traffic.
Preferably, transmitting element 803 is used for sending the information whether described objective network supports urgency traffic to the mobile management network element of source network.
The embodiment of the invention eight is according to the urgency traffic information of the to be switched objective network of UE and the urgency traffic information of UE, determine whether objective network supports UE to carry out urgency traffic, to determine result's (whether objective network supports UE to carry out the information of urgency traffic) notification source network, make source network determine that the result determines whether to agree that UE switches to objective network, guarantee can not cause the interruption of urgency traffic owing to the switching of UE according to this.
Embodiment nine:
Consult Fig. 9, the embodiment of the invention nine provides a kind of urgency traffic processing unit, and this urgency traffic processing unit can be positioned at access network element, and this device comprises:
Determining unit 901 is used for when the user equipment (UE) with SRVCC ability need switch, and determines that described UE is in constrained state and is carrying out urgency traffic;
Transmitting element 902 is used for initiating the SRVCC handoff request to mobile management network element after described determining unit determines that described UE is in constrained state and is carrying out urgency traffic, with request the ongoing urgency traffic of described UE is switched to the CS territory from the PS territory.
When the embodiment of the invention nine is being carried out urgency traffic at the UE that determines to be in constrained state, just initiate the SRVCC handoff request,, guarantee not interrupting of urgency traffic so that the ongoing urgency traffic of UE is switched to the CS territory from the PS territory to mobile management network element.
Embodiment ten:
The embodiment of the invention ten provides a kind of network system, and it comprises: the mobile management network element in the source network, the mobile management network element in the objective network, wherein,
The mobile management network element of objective network, the urgency traffic information that is used for the UE that needs that the mobile management network element of reception sources network sends switch, according to the urgency traffic information of described UE and the urgency traffic information of objective network, determine whether described objective network supports described UE to carry out urgency traffic, and the information whether described objective network supports described UE to carry out urgency traffic is sent to mobile management network element in the described source network;
Mobile management network element in the source network, the urgency traffic information that is used for UE that needs are switched sends to the mobile management network element of objective network, whether the described objective network that the mobile management network element in the receiving target network sends supports described UE to carry out the information of urgency traffic, whether support described UE to carry out the information of urgency traffic according to described objective network, whether the described objective network of the access network element in the notification source network supports described UE to carry out urgency traffic.
Wherein, the urgency traffic information of UE comprises: there is the indication of urgency traffic in UE; The urgency traffic information of objective network comprises: whether described objective network supports the indication of urgency traffic;
Perhaps, the urgency traffic information of UE comprises: the professional limited reason indication of described UE; The urgency traffic information of objective network comprises: the professional limited reason indication that described objective network is supported;
Mobile management network element in the objective network in the embodiment of the invention ten is according to the urgency traffic information of objective network and the urgency traffic information of UE, determine whether objective network supports UE to carry out urgency traffic, to determine result's (whether objective network supports UE to carry out the information of urgency traffic) notification source network, make source network determine that the result determines whether to agree that UE switches to objective network, guarantee can not cause the interruption of urgency traffic owing to the switching of UE according to this.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, read-only memory for example, disk or CD etc.
More than emergency business processing method, equipment and network system that the embodiment of the invention provided are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (20)
1. an emergency business processing method is characterized in that, comprising:
Obtain the urgency traffic information of the to be switched network of the user equipment (UE) that need switch and the urgency traffic information of described UE;
According to the urgency traffic information of the to be switched network of described UE and the urgency traffic information of described UE, determine whether to exist in the to be switched network of described UE and support described UE to carry out the objective network of urgency traffic, if the urgency traffic that described UE is carried out switches in the described objective network.
2. method according to claim 1, it is characterized in that, the urgency traffic information of the network that described UE is to be switched comprises the professional limited reason indication of the network support that described UE is to be switched, and the urgency traffic information of described UE comprises when the professional limited reason of described UE is indicated
Describedly determine whether to exist the objective network of supporting described UE to carry out urgency traffic to comprise in the to be switched network of described UE:
Indicate whether coupling according to the professional limited reason indication of the to be switched network support of described UE and the professional limited reason of UE, determine whether there is the network that mates with the professional limited reason indication of UE in the to be switched network of described UE, the described network that mates with the professional limited reason indication of UE is described objective network.
3. method according to claim 1 is characterized in that,
The urgency traffic information of the network that described UE is to be switched comprises whether the to be switched network of described UE supports the indication of urgency traffic, and the urgency traffic information of described UE comprises that there is the indication of urgency traffic in described UE.
4. method according to claim 1 is characterized in that,
When the access network element of source network determined not exist in the to be switched network of described UE the described UE of support to carry out the objective network of urgency traffic, described method also comprised:
If described UE has the continuous SRVCC ability of audio call of single wireless access, then the mobile management network element of the access network element of source network in source network sends the SRVCC handoff request, so that the ongoing urgency traffic of described UE is switched to the circuit switching (CS) territory from packet switching PS territory; Perhaps,
The access network element of source network notifies described UE to initiate the switching of non-third generation partner program 3GPP network.
5. according to the arbitrary described method of claim 1 to 4, it is characterized in that the described urgency traffic information of obtaining the to be switched network of the user equipment (UE) that need switch comprises:
The urgency traffic information of the network that the described UE that the access network element receiving mobility managed network element of source network sends is to be switched, wherein, the urgency traffic information of the network that described UE is to be switched is pre-configured on the described mobile management network element;
Perhaps,
Before UE need switch, the urgency traffic information of the to be switched network of described UE that mobile management network element sends in the access network element reception sources network of source network; The urgency traffic information of the to be switched network of described UE is by in the handoff procedure of described UE before this switches, and sends to mobile management network element in the described source network by the mobile management network element in the objective network;
Perhaps,
The access network element of source network obtains the urgency traffic information of the to be switched network of UE on the access network element that is pre-configured in source network.
6. an emergency business processing method is characterized in that, comprising:
Obtain the urgency traffic information of the user equipment (UE) that need switch;
According to the urgency traffic information of the to be switched objective network of the urgency traffic information of described UE and described UE, determine whether described objective network supports described UE to carry out urgency traffic;
The information of whether supporting described UE to carry out urgency traffic described objective network sends to the source network at the current place of described UE.
7. method according to claim 6 is characterized in that,
The urgency traffic information of described UE comprises that there is the indication of urgency traffic in described UE, and the urgency traffic information of described objective network comprises whether described objective network supports the indication of urgency traffic.
8. method according to claim 6 is characterized in that,
The urgency traffic information of described UE comprises the professional limited reason indication of described UE, during professional limited reason indication that the urgency traffic information of described objective network comprises that described objective network supports,
Described according to described UE urgency traffic information and the urgency traffic information of the to be switched objective network of described UE, determine whether described objective network is supported described UE to carry out urgency traffic and comprised:
Determine that the professional limited reason indication of described objective network support and the professional limited reason of UE indicate whether to mate, if determine that described objective network supports described UE to carry out urgency traffic.
9. method according to claim 6 is characterized in that,
The described network of whether supporting the information of urgency traffic to send to the current place of described UE described objective network comprises:
Whether the mobile management network element in the objective network supports the information of urgency traffic to send to the mobile management network element in the source network described objective network;
Whether the mobile management network element in the source network supports the information of urgency traffic to send to the access network element in the source network described objective network.
10. method according to claim 9 is characterized in that,
When described objective network did not support that described UE carries out urgency traffic, described method also comprised:
The access network element of source network redefines can support that described UE carries out the network of urgency traffic, when not finding in the section at the fixed time when supporting described UE to carry out the network of urgency traffic, send the indication that to finish switching to described UE, make described UE initiate the switching of non-3GPP network;
Perhaps,
If described UE has the SRVCC ability, the access network element of source network is initiated SRVCC and is switched;
Perhaps,
The access network element of source network notifies described UE to initiate the switching of non-3GPP network.
11. an emergency business processing method is characterized in that, comprising:
When the user equipment (UE) with SRVCC ability need switch, determine that described UE is in constrained state and is carrying out urgency traffic;
Initiate the SRVCC handoff request to mobile management network element, the ongoing urgency traffic of described UE is switched to the CS territory from the PS territory.
12. a urgency traffic processing unit is characterized in that, comprising:
First acquiring unit is used to obtain the urgency traffic information of the to be switched network of the user equipment (UE) that need switch;
Second acquisition unit is used to obtain the urgency traffic information of described UE;
Determining unit, be used for the urgency traffic information of the described UE that obtains in the urgency traffic information of the to be switched network of the described UE that obtains according to described first acquiring unit and the described second acquisition unit, determine whether to exist in the to be switched network of described UE and support described UE to carry out the objective network of urgency traffic;
Switch unit is used for determining to exist in the to be switched network of UE when supporting that described UE carries out the objective network of urgency traffic when described determining unit, and the urgency traffic that described UE is carried out switches in the described objective network.
13. device according to claim 12 is characterized in that,
The urgency traffic information of the network that described UE is to be switched comprises the professional limited reason indication of the network support that described UE is to be switched, and the urgency traffic information of described UE comprises when the professional limited reason of described UE is indicated;
Described determining unit indicates whether coupling according to the professional limited reason indication of the to be switched network support of described UE and the professional limited reason of UE, determine whether there is the network that mates with the professional limited reason indication of UE in the to be switched network of described UE, the described network that mates with the professional limited reason indication of UE is described objective network.
14. device according to claim 12 is characterized in that,
The urgency traffic information of the network that described UE is to be switched comprises whether the to be switched network of described UE supports the indication of urgency traffic, and the urgency traffic information of described UE comprises that there is the indication of urgency traffic in described UE.
15. device according to claim 12 is characterized in that, described urgency traffic processing unit is arranged in the access network element of source network, and described device also comprises:
First message sending unit, be used for having the SRVCC ability as described UE, and do not exist in the to be switched network of UE when supporting that described UE carries out the objective network of urgency traffic, mobile management network element in source network sends the SRVCC handoff request, so that the ongoing urgency traffic of described UE is switched to the circuit switching (CS) territory from packet switching PS territory;
Perhaps,
Second message sending unit is used for sending a notification message to described UE, initiates the switching of non-3GPP network to notify described UE.
16. a urgency traffic processing unit is arranged in the to be switched objective network of UE, it is characterized in that, comprising:
Acquiring unit is used to obtain the urgency traffic information of the user equipment (UE) that need switch;
Determining unit is used for the urgency traffic information of the to be switched objective network of the urgency traffic information of the described UE that obtains according to described acquiring unit and described UE, determines whether described objective network supports described UE to carry out urgency traffic;
Transmitting element is used for the definite result according to described determining unit, and the information of whether supporting described UE to carry out urgency traffic described objective network sends to the source network at the current place of described UE.
17. device according to claim 16 is characterized in that,
The urgency traffic information of described UE comprises that there is the indication of urgency traffic in described UE, and the urgency traffic information of described objective network comprises whether described objective network supports the indication of urgency traffic.
18. device according to claim 16 is characterized in that,
The urgency traffic information of described UE comprises the professional limited reason indication of described UE, during professional limited reason indication that the urgency traffic information of described objective network comprises that described objective network supports,
Described determining unit determines that the professional limited reason indication of described objective network support and the professional limited reason of UE indicate whether to mate, if determine that described objective network supports described UE to carry out urgency traffic.
19. a urgency traffic processing unit is characterized in that, comprising:
Determining unit is used for when the user equipment (UE) with SRVCC ability need switch, and determines that described UE is in constrained state and is carrying out urgency traffic;
Transmitting element is used for initiating the SRVCC handoff request to mobile management network element after described determining unit determines that described UE is in constrained state and is carrying out urgency traffic, and the ongoing urgency traffic of described UE is switched to the CS territory from the PS territory.
20. a network system is characterized in that, comprising: the mobile management network element in the source network, the mobile management network element in the objective network, wherein,
The mobile management network element of described objective network, the urgency traffic information that is used for the UE that needs that the mobile management network element of reception sources network sends switch, according to the urgency traffic information of described UE and the urgency traffic information of objective network, determine whether described objective network supports described UE to carry out urgency traffic, and the information whether described objective network supports described UE to carry out urgency traffic is sent to mobile management network element in the described source network;
Mobile management network element in the described source network, the urgency traffic information that is used for UE that needs are switched sends to the mobile management network element of objective network, whether the described objective network that the mobile management network element in the receiving target network sends supports described UE to carry out the information of urgency traffic, whether support described UE to carry out the information of urgency traffic according to described objective network, whether the described objective network of the access network element in the notification source network supports described UE to carry out urgency traffic.
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| CN2009101421581A CN101902715A (en) | 2009-06-01 | 2009-06-01 | Emergency service processing method, equipment and network system |
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| CN2009101421581A CN101902715A (en) | 2009-06-01 | 2009-06-01 | Emergency service processing method, equipment and network system |
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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 |
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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 |
| WO2014134916A1 (en) * | 2013-03-06 | 2014-09-12 | 华为技术有限公司 | Method and device for achieving congestion control |
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| CN111405620A (en) * | 2019-01-02 | 2020-07-10 | 大唐移动通信设备有限公司 | Method and base station for preventing VO L TE user from dropping call in network voice service |
| WO2023109791A1 (en) * | 2021-12-15 | 2023-06-22 | 展讯通信（上海）有限公司 | Cell handover method and device |
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