CN104301950A - Method for achieving CS service in LTE network and related device - Google Patents

Method for achieving CS service in LTE network and related device Download PDF

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Publication number
CN104301950A
CN104301950A CN201410494275.5A CN201410494275A CN104301950A CN 104301950 A CN104301950 A CN 104301950A CN 201410494275 A CN201410494275 A CN 201410494275A CN 104301950 A CN104301950 A CN 104301950A
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China
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indication information
business
framework
circuit domain
core network
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CN201410494275.5A
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Chinese (zh)
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CN104301950B (en
Inventor
邹烨
吴晓波
黄非
朱思红
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface

Abstract

The embodiment of the invention discloses a method for achieving CS service in an LTE network and a related device. The method and the related device are used for promoting flexible conducting of the CS service. The method comprises the steps that visited circuit switched domain core network elements receive an SGs location update request message sent by an MME when UE sends a joint attachment request message to the MME, wherein the SGs location update request message is sent after the MME attaches the UE to an EPC; the visited circuit switched domain core network elements attach the UE to a CS domain; the visited circuit switched domain core network elements generate indicating information, wherein the indicating information is used for indicating a mode used when the UE carries out the CS service; the visited circuit switched domain core network elements respond to the MME with an SGs location update acceptance message including the indicating information so as to enable the MME to control the UE to carry out the CS service according to the indicating information.

Description

The implementation method of CS business and relevant apparatus in a kind of LTE network
Technical field
The present invention relates to communication technical field, particularly relate to implementation method and the device of CS business in a kind of LTE network.
Background technology
Along with increase and LTE (the Long Term Evolution of wireless data service demand, Long Term Evolution) maturation of commercial condition, operator on the basis of existing 2G/3G network, by the wireless data service demand progressively introduced LTE network and increase fast to meet people.Based on IMS (IP Multimedia Subsystem, IP Multimedia System) VoLTE (Voice over LTE, voice based on LTE) solution a large amount of deployment before, G/U (GERAN/UTRAN) CS (Circuit Switch still will be depended in the CS business solution a very long time in LTE network, circuit switching) cooperation that accesses, such as CSFB (Circuit Switched Fallback, circuit domain dropping) and SRVCC (Single Radio Voice Call Continuity, the business continuance of single wireless access) Based CSFB.Above-mentioned CSFB and SRVCC Based CSFB is two kinds of CS business solutions of heterogeneous networks framework, and the network architecture of its differentiation also determines both and carrying out the difference of mode of CS business.
CSFB framework can see Figure 1A, it processes EPC (Evolved Packet Core network mainly through the SGs interface between MME and MSC, Evolved Packet Core) and CS territory between mobile management and paging flow process etc., when UE initiates CS business, MME (Mobility Management Entity, Mobility Management Entity) can require that UE adopts the mode of Redirection/PSHO to be fallen back in 2G/3G network by UE.
SRVCC Based CSFB scheme is improvement to CSFB scheme and enhancing, for technical specification TR 23.772 V0.1.1 that 3GPP issues, SRVCC Based framework can see Figure 1B, and it shortens call delay by the double nip (Sv and SGs) between MME and MSC support.Be with the main distinction of CSFB framework, when UE initiates CS business, from LTE to 2G/3G, network is the mode adopting SRVCC HO to UE, and meanwhile, network side also adopts Handover mode to set up bearing resource in advance.In application scenes, in order to reduce SRVCC Based CSFB scheme to the impact of existing network side network element, especially VMSC (Visited Mobile-services Switching Centre, visited mobile switching center) (VMSC may be old framework, do not have evolution to upgrade and support the ability of SRVCC), the grappling that a Proxy MSC completes flow process is newly disposed in general meeting, substitutes VMSC provide professional ability by Proxy MSC.
In current application scenarios, UE is defined to give tacit consent to and uses intrinsic a certain mode to carry out CS business, cannot carry out the mode of CS business according to actual conditions reasonable selection.
Summary of the invention
Embodiments provide implementation method and the relevant apparatus of CS business in a kind of LTE network, carrying out flexibly of CS business can be promoted.
The first aspect of the embodiment of the present invention provides the implementation method of CS business in a kind of LTE network, when UE sends associating Attach Request message to MME, comprising:
Visited place circuit domain core network element receives the SGs location update request message that described MME sends, and described SGs location update request message sends after described UE is attached to EPC by described MME;
Described UE is attached to CS territory by described visited place circuit domain core network element;
Described visited place circuit domain core network element generates indication information, and described indication information is used to indicate the mode that should use when described UE carries out CS business;
Described visited place circuit domain core network element is responded to described MME the SGs location updating comprising described indication information and is accepted message, controls described UE carry out CS business to make described MME according to described indication information.
In conjunction with the first aspect of the embodiment of the present invention, in the first implementation of the first aspect of the embodiment of the present invention, described indication information is used to indicate described UE and carries out CS business based on first network framework or described UE carries out CS business based on second network framework.
In conjunction with the first implementation of the first aspect of the embodiment of the present invention, in the second implementation of the first aspect of the embodiment of the present invention, described first network framework is CSFB framework; Described second network framework is SRVCC Based framework.
In conjunction with the second implementation of the first aspect of the embodiment of the present invention, in the third implementation of the first aspect of the embodiment of the present invention, described UE is attached to CS territory and comprises by described visited place circuit domain core network element:
Described visited place circuit domain core network element sends update request message to HLR/HSS;
Described visited place circuit domain core network element receives the renewal response message that described HLR/HSS responds, and described renewal response message comprises user data;
Described visited place circuit domain core network element generates indication information and comprises:
Described visited place circuit domain core network element generates indication information according to described user data.
In conjunction with the third implementation of the first aspect of the embodiment of the present invention, in the 4th kind of implementation of the first aspect of the embodiment of the present invention, described user data comprises user signing contract information;
Described visited place circuit domain core network element generates indication information according to described user data and comprises:
Described visited place circuit domain core network element judges that whether described user signing contract information meets the user preset and to contract condition,
If so, then generate the first indication information, described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
If not, then generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
In conjunction with the 4th kind of implementation of the first aspect of the embodiment of the present invention, in the 5th kind of implementation of the first aspect of the embodiment of the present invention, described visited place circuit domain core network element judges whether described user signing contract information meets the user's condition of contracting preset and comprise:
Described visited place circuit domain core network element judges whether described user signing contract information specifies described UE to carry out CS business based on CSFB framework, if so, then confirms that meeting the user preset contracts condition.
In conjunction with the third implementation of the first aspect of the embodiment of the present invention, in the 6th kind of implementation of the first aspect of the embodiment of the present invention, described user data comprises user ID;
Described visited place circuit domain core network element generates indication information according to described user data and comprises:
Described visited place circuit domain core network element judges whether described user ID meets the user ID condition preset,
If so, then generate the first indication information, described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
If not, then generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
In conjunction with the 6th kind of implementation of the first aspect of the embodiment of the present invention, in the 7th kind of implementation of the first aspect of the embodiment of the present invention, described user ID comprises the mobile number of described UE;
Then described visited place circuit domain core network element judges whether described user ID meets the user ID condition preset and comprise:
Described visited place circuit domain core network element judges that whether number section of the mobile number of described UE is in preset number section, if so, then confirms to meet the user ID condition preset.
In conjunction with the third implementation of the first aspect of the embodiment of the present invention, in the 8th kind of implementation of the first aspect of the embodiment of the present invention, described user data comprises user professional ability information;
Described visited place circuit domain core network element generates indication information according to described user data and comprises:
Described visited place circuit domain core network element judges whether described user professional ability information meets the user professional ability condition preset,
If so, then generate the first indication information, described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
If not, then generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
In conjunction with the 8th kind of implementation of the first aspect of the embodiment of the present invention, in the 9th kind of implementation of the first aspect of the embodiment of the present invention,
Described visited place circuit domain core network element judges whether described user professional ability information meets the user professional ability condition preset and comprise:
Described visited place circuit domain core network element judges whether user professional ability information shows that described UE orders pre-set business, if so, then confirms to meet the user professional ability condition preset.
In conjunction with the second implementation of the first aspect of the embodiment of the present invention, in the tenth kind of implementation of the first aspect of the embodiment of the present invention, described method also comprises:
Described visited place circuit domain core network element obtains local configuration information;
Described visited place circuit domain core network element generates indication information and comprises:
Described visited place circuit domain core network element generates indication information according to local configuration information.
In conjunction with the tenth kind of implementation of the first aspect of the embodiment of the present invention, in the 11 kind of implementation of the first aspect of the embodiment of the present invention, described visited place circuit domain core network element generates indication information according to local configuration information and comprises:
Described visited place circuit domain core network element judges whether described local configuration information meets the configuration condition preset,
If so, then generate the first indication information, described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
If not, then generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
In conjunction with the 11 kind of implementation of the first aspect of the embodiment of the present invention, in the 12 kind of implementation of the first aspect of the embodiment of the present invention, described visited place circuit domain core network element judges whether described local configuration information meets the configuration condition preset and comprise:
Described visited place circuit domain core network element judges whether described local configuration information shows that described visited place circuit domain core network element only supports that described UE carries out the mode of operation of CS business based on CSFB framework, if so, then confirms to meet the configuration condition preset.
The second aspect of the embodiment of the present invention provides the implementation method of CS business in a kind of LTE network, comprising:
MME receives the associating Attach Request message that UE sends;
Described UE is attached to EPC by described MME;
Described MME sends SGs location update request message to visited place circuit domain core network element;
The SGs location updating that described MME receives the circuit domain core network element response of described visited place accepts message; Described SGs location updating accepts message and carries indication information, and described indication information is used to indicate the mode that should use when described UE carries out CS business; Described SGs location update request message sends after described UE is attached to CS territory by described visited place circuit domain core network element.
Adhere to successfully when UE combines, described MME controls described UE according to described indication information and carries out CS business.
In conjunction with the second aspect of the embodiment of the present invention, in the first implementation of the second aspect of the embodiment of the present invention,
Described indication information is used to indicate described UE and carries out CS business based on first network framework or described UE carries out CS business based on second network framework.
In conjunction with the first implementation of the second aspect of the embodiment of the present invention, in the second implementation of the second aspect of the embodiment of the present invention, described first network framework is CSFB framework; Described second network framework is SRVCC Based framework.
In conjunction with the second aspect of the embodiment of the present invention, the second aspect of the embodiment of the present invention the first to any one in the second implementation, in the third implementation of the second aspect of the embodiment of the present invention, after described UE is attached to EPC by described MME, described MME also comprised before visited place circuit domain core network element sends SGs location update request message:
Described MME judges whether described UE meets the circuit domain switching condition preset, and if so, then performs described MME and sends SGs location update request message to visited place circuit domain core network element.
In conjunction with the third implementation of the second aspect of the embodiment of the present invention, in the 4th kind of implementation of the second aspect of the embodiment of the present invention, described MME judges whether described UE meets the circuit domain switching condition preset and comprise:
MME judges whether the permission switching command receiving the circuit domain core network element transmission of described visited place, and if so, then described MME confirms to meet the circuit domain switching condition preset.
The third aspect of the embodiment of the present invention provides a kind of visited place circuit domain core network element, comprising:
Receiving element, for when UE sends associating Attach Request message to MME, receive the SGs location update request message that described MME sends, described SGs location update request message sends after described UE is attached to EPC by described MME;
CS territory adhesion unit, for being attached to CS territory by described UE;
Generation unit, for generating indication information, described indication information is used to indicate the mode that should use when described UE carries out CS business;
Transmitting element, accepting message for responding to described MME the SGs location updating comprising described indication information, controlling described UE carry out CS business to make described MME according to described indication information.
In conjunction with the third aspect of the embodiment of the present invention, in the first implementation of the third aspect of the embodiment of the present invention, described indication information is used to indicate described UE and carries out CS business based on first network framework or described UE carries out CS business based on second network framework; Described first network framework is CSFB framework; Described second network framework is SRVCC Based framework;
Described CS territory adhesion unit specifically comprises:
Send subelement: for sending update request message to HLR/HSS;
Receive subelement, receive the renewal response message that described HLR/HSS responds, described renewal respond packet is containing user data;
Then described generation unit specifically comprises:
First generates subelement, for generating indication information according to described user data.
In conjunction with the first implementation of the third aspect of the embodiment of the present invention, in the second implementation of the third aspect of the embodiment of the present invention, described user data comprises user signing contract information;
Described first generates subelement comprises:
First judge module, for judging that whether described user signing contract information meets the user preset and to contract condition;
First generation module, for meet when described user signing contract information default user contract condition time, generate the first indication information, described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
Second generation module, for when the satisfied user preset of described user signing contract information contracts condition, generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
In conjunction with the second implementation of the third aspect of the embodiment of the present invention, in the third implementation of the third aspect of the embodiment of the present invention, described first judge module comprises:
First judges submodule, for judging whether described user signing contract information specifies described UE to carry out CS business based on CSFB framework;
First confirms submodule, during for specifying described UE to carry out CS business based on CSFB framework when described user signing contract information, confirming to meet default user and to contract condition.
In conjunction with the first implementation of the third aspect of the embodiment of the present invention, in the 4th kind of implementation of the third aspect of the embodiment of the present invention, described user data comprises user ID;
Described first generates subelement comprises:
Second judge module, for judging whether described user ID meets the user ID condition preset;
3rd generation module, during for meeting default user ID condition when described user ID, generates the first indication information, and described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
4th generation module, for when described user ID does not meet the user ID condition preset, generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
In conjunction with the 4th kind of implementation of the third aspect of the embodiment of the present invention, in the 5th kind of implementation of the third aspect of the embodiment of the present invention, described user ID comprises the mobile number of UE;
Described second judge module comprises:
Second judges submodule, for judging that whether number section of the mobile number of described UE is in preset number section;
Second confirms submodule, for number section of the mobile number as described UE when preset number section, confirms to meet default user ID condition.
In conjunction with the first implementation of the third aspect of the embodiment of the present invention, in the 6th kind of implementation of the third aspect of the embodiment of the present invention, described user data comprises user professional ability information;
Described first generates subelement comprises:
3rd judge module, for judging whether described user professional ability information meets the user professional ability condition preset;
5th generation module, for when described user professional ability information meets default user professional ability condition, generates the first indication information, and described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
6th generation module, for when described user professional ability information does not meet the user professional ability condition preset, generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
In conjunction with the 6th kind of implementation of the third aspect of the embodiment of the present invention, in the 7th kind of implementation of the third aspect of the embodiment of the present invention, described 3rd judge module comprises:
3rd judges submodule, for judging whether user professional ability information shows that described UE orders pre-set business;
3rd confirms submodule, during for showing that when user professional ability information described UE orders pre-set business, confirms to meet the user professional ability condition preset.
In conjunction with the third aspect of the embodiment of the present invention, in the 8th kind of implementation of the third aspect of the embodiment of the present invention, described indication information is used to indicate described UE and carries out CS business based on first network framework or described UE carries out CS business based on second network framework; Described first network framework is CSFB framework; Described second network framework is SRVCC Based framework;
Described visited place circuit domain core network element also comprises:
Acquiring unit, for obtaining local configuration information;
Then described generation unit specifically comprises:
Second generates subelement, for generating indication information according to local configuration information.
In conjunction with the 8th kind of implementation of the third aspect of the embodiment of the present invention, in the 9th kind of implementation of the third aspect of the embodiment of the present invention, described second generates subelement comprises:
4th judge module, for judging whether described local configuration information meets the configuration condition preset;
7th generation module, for when described local configuration information meets default configuration condition, generates the first indication information, and described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
8th generation module, for when described local configuration information does not meet the configuration condition preset, generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
In conjunction with the 9th kind of implementation of the third aspect of the embodiment of the present invention, in the tenth kind of implementation of the third aspect of the embodiment of the present invention, described 4th judge module comprises:
4th judges submodule, for judging whether described local configuration information shows that described visited place circuit domain core network element only supports that described UE carries out the mode of operation of CS business based on CSFB framework;
4th confirms submodule, during for showing that described visited place circuit domain core network element only supports that described UE carries out the mode of operation of CS business based on CSFB framework when described local configuration information, confirms to meet the configuration condition preset.
The fourth aspect of the embodiment of the present invention provides a kind of MME, comprising:
First receiving element, for receiving the associating Attach Request message that UE sends;
EPC adhesion unit, for being attached to EPC by described UE;
Transmitting element, for sending SGs location update request message to visited place circuit domain core network element;
Second receiving element, the SGs location updating responded for receiving described visited place circuit domain core network element accepts message; Described SGs location updating accepts message and carries indication information, and described indication information is used to indicate the mode that should use when described UE carries out CS business; Described SGs location update request message sends after described UE is attached to CS territory by described visited place circuit domain core network element.
Control unit, adheres to successfully for combining as UE, controls described UE carry out CS business according to described indication information.
In conjunction with the fourth aspect of the embodiment of the present invention, in the first implementation of the fourth aspect of the embodiment of the present invention, described MME also comprises:
Judging unit, after described UE being attached to EPC at described MME, before described MME sends SGs location update request message to visited place circuit domain core network element, judges whether described UE meets the circuit domain switching condition preset;
Confirmation unit, during for meeting default circuit domain switching condition as described UE, performs described MME and sends SGs location update request message to visited place circuit domain core network element.
In conjunction with the first implementation of the fourth aspect of the embodiment of the present invention, in the second implementation of the fourth aspect of the embodiment of the present invention, described judging unit comprises:
Judge module, for judging whether the permission switching command receiving the circuit domain core network element transmission of described visited place;
Confirming module, for when receiving the permission switching command that described visited place circuit domain core network element sends, confirming to meet the circuit domain switching condition preset.
In the technical scheme that the embodiment of the present invention provides, carried out by UE in the process of associating attachment, visited place circuit domain core network element generates indication information, and this indication information is used to indicate the mode that should use when UE carries out CS business; And respond to MME the SGs location updating comprising this indication information and accept message, carry out CS business to make MME according to this indication information control UE.Therefore relative to prior art, the embodiment of the present invention is by expanding the interface between MME and visited place circuit domain core network element, the indication information that MME can be generated according to visited place circuit domain core network element reasonably selects UE to adopt which kind of mode to carry out CS business, to promote carrying out flexibly of CS business.
Accompanying drawing explanation
Figure 1A is the schematic diagram of CSFB framework;
Figure 1B is the schematic diagram of SRVCC Based framework;
Fig. 1 C is the network architecture schematic diagram that the present invention applies;
Fig. 2 is the entity structure schematic diagram of circuit domain core network element in visited place in the embodiment of the present invention;
Fig. 3 is implementation method embodiment schematic diagram of CS business in LTE network in the embodiment of the present invention;
Fig. 4 is another embodiment schematic diagram of implementation method of CS business in LTE network in the embodiment of the present invention;
Fig. 5 is another embodiment schematic diagram of implementation method of CS business in LTE network in the embodiment of the present invention;
Fig. 6 is another embodiment schematic diagram of implementation method of CS business in LTE network in the embodiment of the present invention;
Fig. 7 is another embodiment schematic diagram of implementation method of CS business in LTE network in the embodiment of the present invention;
Fig. 8 is visited place circuit domain core network element embodiment schematic diagram in LTE network in the embodiment of the present invention;
Fig. 9 is another embodiment schematic diagram of visited place circuit domain core network element in LTE network in the embodiment of the present invention;
Figure 10 is another embodiment schematic diagram of visited place circuit domain core network element in LTE network in the embodiment of the present invention;
Figure 11 is MME embodiment schematic diagram in the embodiment of the present invention;
Figure 12 is another embodiment schematic diagram of MME in the embodiment of the present invention.
Embodiment
Embodiments providing implementation method and the device of CS business in a kind of LTE network, for promoting carrying out flexibly of CS business, being described in detail respectively below.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those skilled in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, the embodiment of the present invention mainly describes the solution of CS business in LTE network, and depend on the cooperation of GERAN/UTRAN CS access, namely the UE under LTE covering is switched to finishing service process in CS network when needs process CS business, below with MSC (Mobile-services Switching Centre, mobile switching centre) be that the network architecture of example to the embodiment of the present invention is described as circuit domain core network element, in associating attaching process, MME is that UE selects a MSC (i.e. VMSC), so that UE return back to the CS territory of 2G/3G.
Refer to Fig. 1 C, for the network architecture schematic diagram of the present invention's application, comprise: MME, VMSC, HLR/HSS and one or multiple UE, wherein, UE is connected with MME by E-UTRAN network, UE is connected with VMSC by GERAN/UTRAN network, and MME with VMSC is all connected with HLR/HSS, concrete:
This MME, for receiving the associating Attach Request message that UE sends; By alternately UE being attached to EPC with HLR/HSS; SGs location update request message is sent to VMSC; The SGs location updating receiving VMSC response accepts message, this SGs location updating accepts message and carries indication information, this indication information is used to indicate the mode that should use when UE carries out CS business, and this SGs location update request message sends after UE is attached to CS territory by VMSC; Adhere to successfully when UE combines, carry out CS business according to this indication information control UE.
This VMSC, for receiving the SGs location update request message that MME sends, this SGs location update request message sends after UE is attached to EPC by MME; By alternately UE being attached to CS territory with HLR/HSS; Generate this indication information; Respond to MME the SGs location updating comprising this indication information and accept message, carry out CS business to make MME according to this indication information control UE.
This HLR/HSS, for MME alternately so that UE is attached to EPC; With VMSC alternately so that UE is attached to CS territory.
This UE, for the associating Attach Request message sent to MME; Adhere to successfully when UE combines, under the control of MME, carry out CS business.
For ease of understanding, below for an embody rule scene, the operation workflow of building block each in the network architecture shown in Fig. 1 is described:
101, MME receives the associating Attach Request message that UE sends;
The concrete structure of associating Attach Request message asks for an interview prior art, does not repeat in the present embodiment.
102, UE is attached to EPC by MME;
Namely, when MME receives the associating Attach Request message of UE transmission, UE is attached to EPC by MME.It should be noted that, the idiographic flow that UE is attached to EPC by MME comprises: MME sends update request message to HLR/HSS, MME receives the renewal response message that HLR/HSS responds, be understandable that, UE is attached to the flow process of EPC except comprising foregoing, other flow processs can also be comprised, such as, authorizing procedures etc., specifically do not limit herein.
103, MME sends SGs location update request message to VMSC;
The concrete structure of SGs location update request message asks for an interview prior art, does not repeat in the present embodiment.
104, UE is attached to CS territory by VMSC;
Namely VMSC is after receiving SGs location update request message, UE is attached to CS territory.It should be noted that, the idiographic flow that UE is attached to CS territory by VMSC comprises: VMSC sends update request message to HLR/HSS, and VMSC receives the renewal response message that HLR/HSS responds, and this renewal response message comprises user data.Be understandable that, UE is attached to the flow process in CS territory except comprising foregoing, can also comprises other flow processs, such as, authorizing procedure etc., specifically do not limit herein.
105, VMSC generates indication information;
It should be noted that, this indication information is used to indicate the mode that should use when UE carries out CS business.In the different application scene of prior art, different UE carries out the mode that CS business uses may be different, thus, are understandable that, in prior art, there is multiple spendable mode of carrying out CS business.
In the present embodiment, this indication information may be used for instruction UE and carries out CS business based on first network framework or UE carries out CS business based on second network framework.Further, first network framework is CSFB framework, and second network framework is SRVCC Based framework.Be understandable that, above-mentioned CSFB framework and SRVCC Based framework are only two kinds of optimal ways of the spendable mode when UE carries out CS business, specifically do not limit herein.
Be understandable that, the implementation procedure of VMSC generation indication information can be different, are described respectively below:
The first, VMSC generates indication information according to user data;
Namely VMSC utilizes the user data obtained in step 104 to generate indication information.How to generate indication information according to user data to VMSC to be below described in detail:
(1), when user data comprises user signing contract information:
VMSC judges that whether user signing contract information meets the user preset and to contract condition,
If so, then generate the first indication information, this first indication information is used to indicate UE and carries out CS business based on CSFB framework;
If not, then generate the second indication information, this second indication information is used to indicate UE and carries out CS business based on SRVCC Based framework.
Namely in the present embodiment, VMSC can indicate UE to carry out CS business based on CSFB framework or carry out CS business based on SRVCC Based framework according to user signing contract information according to user's granularity.
Particularly, above-mentioned VMSC judges whether user signing contract information meets the user's condition of contracting preset and can be:
VMSC judges whether user signing contract information specifies UE to carry out CS business based on CSFB framework, if so, then confirms that meeting the user preset contracts condition.
Namely when user signing contract information specifies UE to carry out CS business based on CSFB framework, VMSC generates and is used to indicate UE carries out CS business the first indication information based on CSFB framework, otherwise VMSC generates and is used to indicate UE carries out CS business the second indication information based on SRVCC Based framework, thus make the VMSC in the embodiment of the present invention whether can specify UE according to user in user signing contract information to carry out CS business based on CSFB framework and indicate UE to carry out CS business based on CSFB framework or carry out CS business based on SRVCC Based framework.Such as, when a certain user is not high to delay requirement, UE can be specified in user signing contract information to carry out CS business based on CSFB framework.
(2), when user data comprises user ID,
VMSC judges whether user ID meets the user ID condition preset,
If so, then generate the first indication information, this first indication information is used to indicate UE and carries out CS business based on CSFB framework;
If not, then generate the second indication information, this second indication information is used to indicate UE and carries out CS business based on SRVCC Based framework.
Namely in the present embodiment, VMSC can indicate UE to carry out CS business based on CSFB framework or carry out CS business based on SRVCC Based framework according to user ID.
Particularly, user ID comprises the mobile number of UE, then above-mentioned VMSC judges whether user ID meets the user ID condition preset and can be:
VMSC judges that whether number section of the mobile number of UE is in preset number section, if so, then confirms to meet the user ID condition preset.
Such as, preset number section can be 134 of China Mobile's section, 135 and 136, or also can be CHINAUNICOM's section: 130, 131 and 132, namely when number section of the mobile number of UE is in above-mentioned scope, VMSC generates and is used to indicate UE carries out CS business the first indication information based on CSFB framework, otherwise VMSC generates and is used to indicate UE carries out CS business the second indication information based on SRVCC Based framework, thus make the VMSC in the embodiment of the present invention UE can be indicated to carry out CS business based on CSFB framework or carry out CS business based on SRVCC Based framework according to a number section for the mobile number of UE.
(3), when user data comprises user professional ability information:
VMSC judges whether user professional ability information meets the user professional ability condition preset,
If so, then generate the first indication information, this first indication information is used to indicate UE and carries out CS business based on CSFB framework;
If not, then generate the second indication information, this second indication information is used to indicate UE and carries out CS business based on SRVCC Based framework.
Namely in the present embodiment, VMSC can indicate UE to carry out CS business based on CSFB framework or carry out CS business based on SRVCC Based framework according to user professional ability information.
Particularly, above-mentioned VMSC judges whether user professional ability information meets the user professional ability condition preset and can be:
VMSC judges whether user professional ability information shows that UE orders pre-set business, if so, then confirms to meet the user professional ability condition preset.
Namely when user signing contract information shows that UE orders pre-set business, VMSC generates and is used to indicate UE carries out CS business the first indication information based on CSFB framework, otherwise VMSC generates and is used to indicate UE carries out CS business the second indication information based on SRVCC Based framework, thus make the VMSC in the embodiment of the present invention whether can show that UE orders pre-set business and indicates UE to carry out CS business based on CSFB framework or carry out CS business based on SRVCC Based framework according to user professional ability information.
Be understandable that, according to practical application scene and user's request, user data can also comprise the reference information being more used for indication information and generating, and does not specifically limit herein.In some other application scenarios, if spendable mode also comprises other modes when UE carries out CS business, then VMSC also corresponding corresponding indication information, such as, when UE carries out CS business, spendable mode also comprises and carries out CS business based on the 3rd network architecture, then VMSC is at corresponding pre-conditioned lower generation the 3rd indication information, and the 3rd indication information is used to indicate UE and carries out CS business based on the 3rd network architecture.
It should be noted that, only describe with several example how VMSC generates indication information concrete mode according to user data above, in actual applications, VMSC can be combined above-mentioned generating mode, can also adopt other generating mode, concrete judgment mode does not limit herein.
Two, VMSC generates indication information according to local configuration information;
Namely VMSC obtains local configuration information after step 104; Local configuration information can comprise and show whether VMSC supports that UE carries out the parameter of the mode of operation of CS business based on a certain mode, such as, first parameter shows that VMSC supports that UE carries out CS business (namely VMSC possesses CSFB ability) based on CSFB framework, and the second parameter shows that VMSC supports that UE carries out CS business (namely VMSC possesses SRVCC Based ability) based on SRVCC Based framework.How to generate indication information according to local configuration information to VMSC to be below described in detail:
VMSC judges whether local configuration information meets the configuration condition preset;
If so, then generate the first indication information, this first indication information is used to indicate UE and carries out CS business based on CSFB framework;
If not, generate the second indication information, this second indication information is used to indicate UE and carries out CS business based on SRVCC Based framework.
Particularly, above-mentioned VMSC judges whether local configuration information meets the configuration condition preset and can be: VMSC judges whether local configuration information shows that VMSC only supports that UE carries out the mode of operation of CS business based on CSFB framework, if so, then confirm to meet the configuration condition preset.Be understandable that, default configuration condition also can be set to other describing mode according to demand, is specifically not construed as limiting herein.VMSC responds to MME the SGs location updating comprising this indication information and accepts message, controls described UE carry out CS business to make MME according to this indication information.
Namely when local configuration information meets default configuration condition, VMSC generates and is used to indicate UE carries out CS business the first indication information based on CSFB framework, otherwise VMSC generates and is used to indicate UE carries out CS business the second indication information based on SRVCC Based framework, thus makes the VMSC in the embodiment of the present invention whether can show that VMSC only supports that the mode of operation that UE carries out CS business based on CSFB framework indicates UE to carry out CS business based on CSFB framework or carry out CS business based on SRVCC Based framework according to local configuration information.
106, VMSC responds to MME the SGs location updating comprising this indication information and accepts message.
Namely after VMSC generates indication information according to user data, this indication information is encapsulated into SGs location updating and accepts in message by VMSC, respond to MME the SGs location updating comprising this indication information again and accept message, to set up the SGs association between VMSC and the MME of visited place.
107, MME carries out CS business according to this indication information control UE;
It should be noted that, adhere to successfully when UE combines, the indication information control UE that MME just can accept in message according to SGs location updating carries out CS business.Be specifically as follows: when SGs location updating accept in message carry the first indication information time, MME according to this first indication information instruction UE carry out CS business based on CSFB framework; When SGs location updating accept in message carry the second indication information time, MME according to this second indication information instruction UE carry out CS business based on SRVCC Based framework.
In the technical scheme that the embodiment of the present invention provides, carried out by UE in the process of associating attachment, VMSC generates indication information, and this indication information is used to indicate the mode that should use when UE carries out CS business; And respond to MME the SGs location updating comprising this indication information and accept message, carry out CS business to make MME according to this indication information control UE.Therefore relative to prior art, the embodiment of the present invention is by expanding the interface between MME and VMSC, and the indication information that MME can be generated according to VMSC reasonably selects UE to use which kind of mode to carry out CS business, to promote carrying out flexibly of CS business.
From the angle of hardware handles, the visited place circuit domain core network element the embodiment of the present invention is described below, refers to Fig. 2, be the entity structure schematic diagram of circuit domain core network element in visited place in the embodiment of the present invention, comprise:
Input unit 201, output device 202, processor 203 and memory 204 (quantity of the processor 203 wherein in visited place circuit domain core network element can be one or more, for a processor 203 in Fig. 2).In some embodiments of the invention, input unit 201, output device 202, processor 203 are connected by bus or alternate manner with memory 204, wherein, to be connected by bus in Fig. 2.
Wherein,
By calling the operational order that memory 204 stores, processor 203, for performing following steps:
When UE sends associating Attach Request message to MME, receive the SGs location update request message that described MME sends, described SGs location update request message sends after described UE is attached to EPC by described MME;
Described UE is attached to CS territory;
Generate indication information, described indication information is used to indicate the mode that should use when described UE carries out CS business;
Respond to described MME the SGs location updating comprising described indication information and accept message, control described UE to make described MME according to described indication information and carry out CS business.
In some embodiments of the invention, processor 203 is also for performing following steps:
Carry out CS business based on first network framework or described UE carries out CS business based on second network framework when described indication information is used to indicate described UE, and described first network framework is CSFB framework; When described second network framework is SRVCC Based framework,
Update request message is sent to HLR/HSS;
Receive the renewal response message that described HLR/HSS responds, described renewal respond packet is containing user data;
Indication information is generated according to described user data.
In some embodiments of the invention, processor 203 is also for performing following steps:
When user data comprises user signing contract information;
Judge that whether described user signing contract information meets the user preset and to contract condition;
When described user signing contract information meet default user contract condition time, generate the first indication information, described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
When the satisfied user preset of described user signing contract information contracts condition, generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
In some embodiments of the invention, processor 203 is also for performing following steps:
Judge whether described user signing contract information specifies described UE to carry out CS business based on CSFB framework;
When described user signing contract information specifies described UE to carry out CS business based on CSFB framework, confirm that meeting the user preset contracts condition.
In some embodiments of the invention, processor 203 is also for performing following steps:
When described user data comprises user ID,
Judge whether described user ID meets the user ID condition preset;
When described user ID meets default user ID condition, generate the first indication information, described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
When described user ID does not meet the user ID condition preset, generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
In some embodiments of the invention, processor 203 is also for performing following steps:
When described user ID comprises the mobile number of UE,
Judge that whether number section of the mobile number of described UE is in preset number section;
When number section of the mobile number of described UE is in preset number section, confirm to meet the user ID condition preset.
In some embodiments of the invention, processor 203 is also for performing following steps:
When described user data comprises user professional ability information;
Judge whether described user professional ability information meets the user professional ability condition preset;
When described user professional ability information meets default user professional ability condition, generate the first indication information, described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
When described user professional ability information does not meet the user professional ability condition preset, generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
In some embodiments of the invention, processor 203 is also for performing following steps:
Judge whether user professional ability information shows that described UE orders pre-set business;
When user professional ability information shows that described UE orders pre-set business, confirm to meet the user professional ability condition preset.
In some embodiments of the invention, processor 203 is also for performing following steps:
Carry out CS business based on first network framework or described UE carries out CS business based on second network framework when described indication information is used to indicate described UE, and described first network framework is CSFB framework; When described second network framework is SRVCC Based framework,
Obtain local configuration information;
Indication information is generated according to local configuration information.
In some embodiments of the invention, processor 203 is also for performing following steps:
Judge whether described local configuration information meets the configuration condition preset;
When described local configuration information meets default configuration condition, generate the first indication information, described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
When described local configuration information does not meet the configuration condition preset, generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
In some embodiments of the invention, processor 203 is also for performing following steps:
Judge whether described local configuration information shows that described visited place circuit domain core network element only supports that described UE carries out the mode of operation of CS business based on CSFB framework;
When described local configuration information shows that described visited place circuit domain core network element only supports that described UE carries out the mode of operation of CS business based on CSFB framework, confirm to meet the configuration condition preset.
Refer to Fig. 3, in the embodiment of the present invention, in LTE network, implementation method embodiment of CS business comprises:
301, circuit domain core network element in visited place receives the SGs location update request message that MME sends;
It should be noted that, SGs location update request message sends after UE is attached to EPC by MME.Namely, when UE sends associating Attach Request message to MME, UE is first attached to EPC (Evolved Packet Core network, Evolved Packet Core) by MME, then sends SGs location update request message to visited place circuit domain core network element.The concrete structure of associating Attach Request message and SGs location update request message asks for an interview prior art, does not repeat in the present embodiment.
302, UE is attached to CS territory by visited place circuit domain core network element;
Namely circuit domain core network element in visited place is after receiving SGs location update request message, UE is attached to CS territory.
303, circuit domain core network element in visited place generates indication information;
It should be noted that, this indication information is used to indicate the mode that should use when UE carries out CS business.In the different application scene of prior art, different UE carries out the mode that CS business uses may be different, thus, are understandable that, in prior art, there is multiple spendable mode of carrying out CS business.
304, circuit domain core network element in visited place is responded to MME the SGs location updating comprising this indication information and is accepted message.
Namely after visited place circuit domain core network element generates indication information, this indication information is encapsulated into SGs location updating and accepts in message by visited place circuit domain core network element, respond to MME the SGs location updating comprising this indication information again and accept message, associate with the SGs between MME to set up visited place circuit domain core network element.It should be noted that, adhere to successfully when UE combines, the indication information control UE that MME just can accept in message according to SGs location updating carries out CS business.
In the technical scheme that the embodiment of the present invention provides, carried out by UE in the process of associating attachment, visited place circuit domain core network element generates indication information, and this indication information is used to indicate the mode that should use when UE carries out CS business; And respond to MME the SGs location updating comprising this indication information and accept message, carry out CS business to make MME according to this indication information control UE.Therefore relative to prior art, the embodiment of the present invention is by expanding the interface between MME and visited place circuit domain core network element, the indication information that MME can be generated according to visited place circuit domain core network element reasonably selects UE to use which kind of mode to carry out CS business, to promote carrying out flexibly of CS business.
Be understandable that, the implementation procedure of visited place circuit domain core network element generation indication information can be different, are described respectively below:
The first, visited place circuit domain core network element generates indication information according to user data;
Specifically refer to Fig. 4, in the embodiment of the present invention, in LTE network, another embodiment of implementation method of CS business comprises:
Be described for VMSC as visited place circuit domain core network element below.
401, VMSC receives the SGs location update request message that MME sends;
Step 301 in the detailed process embodiment shown in Figure 3 of the step 401 in the present embodiment, does not repeat in the present embodiment.
402, VMSC sends update request message to HLR/HSS;
403, VMSC receives the renewal response message that HLR/HSS responds;
It should be noted that, step 402 and 403 is for being attached to CS territory by UE, and this renewal response message comprises user data.Be understandable that, UE is attached to the flow process in CS territory except comprising foregoing, can also comprises other flow processs, such as, authorizing procedure etc., specifically do not limit herein.
404, VMSC generates indication information according to user data;
It should be noted that, this indication information is used to indicate the mode that should use when UE carries out CS business.In the present embodiment, this indication information is used to indicate UE and carries out CS business based on first network framework or UE carries out CS business based on second network framework.Further, first network framework is CSFB framework, and second network framework is SRVCC Based framework.Be understandable that, above-mentioned CSFB framework and SRVCC Based framework are only two kinds of optimal ways of the spendable mode when UE carries out CS business, specifically do not limit herein.
In the present embodiment, VMSC utilizes the user data obtained in step 403 to generate indication information.How to generate indication information according to user data to VMSC to be below described in detail:
(1), when user data comprises user signing contract information:
VMSC judges that whether user signing contract information meets the user preset and to contract condition,
If so, then generate the first indication information, this first indication information is used to indicate UE and carries out CS business based on CSFB framework;
If not, then generate the second indication information, this second indication information is used to indicate UE and carries out CS business based on SRVCC Based framework.
Namely in the present embodiment, VMSC can indicate UE to carry out CS business based on CSFB framework or carry out CS business based on SRVCC Based framework according to user signing contract information according to user's granularity.
Particularly, above-mentioned VMSC judges whether user signing contract information meets the user's condition of contracting preset and can be:
VMSC judges whether user signing contract information specifies UE to carry out CS business based on CSFB framework, if so, then confirms that meeting the user preset contracts condition.
Namely when user signing contract information specifies UE to carry out CS business based on CSFB framework, VMSC generates and is used to indicate UE carries out CS business the first indication information based on CSFB framework, otherwise VMSC generates and is used to indicate UE carries out CS business the second indication information based on SRVCC Based framework, thus make the VMSC in the embodiment of the present invention whether can specify UE according to user in user signing contract information to carry out CS business based on CSFB framework and indicate UE to carry out CS business based on CSFB framework or carry out CS business based on SRVCC Based framework.Such as, when a certain user is not high to delay requirement, UE can be specified in user signing contract information to carry out CS business based on CSFB framework.
(2), when user data comprises user ID,
VMSC judges whether user ID meets the user ID condition preset,
If so, then generate the first indication information, this first indication information is used to indicate UE and carries out CS business based on CSFB framework;
If not, then generate the second indication information, this second indication information is used to indicate UE and carries out CS business based on SRVCC Based framework.
Namely in the present embodiment, VMSC can indicate UE to carry out CS business based on CSFB framework or carry out CS business based on SRVCC Based framework according to user ID.
Particularly, user ID comprises the mobile number of UE, then above-mentioned VMSC judges whether user ID meets the user ID condition preset and can be:
VMSC judges that whether number section of the mobile number of UE is in preset number section, if so, then confirms to meet the user ID condition preset.
Such as, preset number section can be 134 of China Mobile's section, 135 and 136, or also can be CHINAUNICOM's section: 130, 131 and 132, namely when number section of the mobile number of UE is in above-mentioned scope, VMSC generates and is used to indicate UE carries out CS business the first indication information based on CSFB framework, otherwise VMSC generates and is used to indicate UE carries out CS business the second indication information based on SRVCC Based framework, thus make the VMSC in the embodiment of the present invention UE can be indicated to carry out CS business based on CSFB framework or carry out CS business based on SRVCC Based framework according to a number section for the mobile number of UE.
(3), when user data comprises user professional ability information:
VMSC judges whether user professional ability information meets the user professional ability condition preset,
If so, then generate the first indication information, this first indication information is used to indicate UE and carries out CS business based on CSFB framework;
If not, then generate the second indication information, this second indication information is used to indicate UE and carries out CS business based on SRVCC Based framework.
Namely in the present embodiment, VMSC can indicate UE to carry out CS business based on CSFB framework or carry out CS business based on SRVCC Based framework according to user professional ability information.
Particularly, above-mentioned VMSC judges whether user professional ability information meets the user professional ability condition preset and can be:
VMSC judges whether user professional ability information shows that UE orders pre-set business, if so, then confirms to meet the user professional ability condition preset.
Namely when user signing contract information shows that UE orders pre-set business, VMSC generates and is used to indicate UE carries out CS business the first indication information based on CSFB framework, otherwise VMSC generates and is used to indicate UE carries out CS business the second indication information based on SRVCC Based framework, thus make the VMSC in the embodiment of the present invention whether can show that UE orders pre-set business and indicates UE to carry out CS business based on CSFB framework or carry out CS business based on SRVCC Based framework according to user professional ability information.
Be understandable that, according to practical application scene and user's request, user data can also comprise the reference information being more used for indication information and generating, and does not specifically limit herein.In some other application scenarios, if spendable mode also comprises other modes when UE carries out CS business, then VMSC also corresponding corresponding indication information, such as, when UE carries out CS business, spendable mode also comprises and carries out CS business based on the 3rd network architecture, then VMSC is at corresponding pre-conditioned lower generation the 3rd indication information, and the 3rd indication information is used to indicate UE and carries out CS business based on the 3rd network architecture.
It should be noted that, only describe with several example how VMSC generates indication information concrete mode according to user data above, in actual applications, VMSC can be combined above-mentioned generating mode, can also adopt other generating mode, concrete judgment mode does not limit herein.
405, VMSC responds to MME the SGs location updating comprising this indication information and accepts message.
Namely after VMSC generates indication information according to user data, this indication information is encapsulated into SGs location updating and accepts in message by VMSC, respond to MME the SGs location updating comprising this indication information again and accept message, to set up the SGs association between VMSC and the MME of visited place.It should be noted that, adhere to successfully when combining of UE, the indication information control UE that MME just can accept in message according to SGs location updating carries out CS business; Be specially: when VMSC generates the first indication information, MME carries out CS business according to this first indication information instruction UE based on CSFB framework; When VMSC generates the second indication information, MME carries out CS business according to this second indication information instruction UE based on SRVCC Based framework.
In the technical scheme that the embodiment of the present invention provides, carried out by UE in the process of associating attachment, VMSC generates indication information, and this indication information is used to indicate the mode that should use when UE carries out CS business; And respond to MME the SGs location updating comprising this indication information and accept message, carry out CS business to make MME according to this indication information control UE.Therefore relative to prior art, the embodiment of the present invention is by expanding the interface between MME and VMSC, and the indication information that MME can be generated according to VMSC reasonably selects UE to use which kind of mode to carry out CS business, to promote carrying out flexibly of CS business.
Further, in the technical scheme that the embodiment of the present invention provides, VMSC utilizes the user data generation indication information being attached to by UE and obtaining in the process of CS territory, makes MME certain class (as 134 of China Mobile's section) or certain UE can be selected to use which kind of mode to carry out CS business according to the control law preset.
The second, visited place circuit domain core network element generates indication information according to local configuration information;
Specifically refer to Fig. 5, in the embodiment of the present invention, in LTE network, another embodiment of implementation method of CS business comprises:
Be described for VMSC as visited place circuit domain core network element below.
501, VMSC receives the SGs location update request message that MME sends;
502, UE is attached to CS territory by VMSC;
Step 501 in the present embodiment, to the step 301 in the detailed process embodiment shown in Figure 3 of step 502 to step 302, does not repeat in the present embodiment.
503, VMSC obtains local configuration information;
In the present embodiment, local configuration information can comprise and show whether VMSC supports that UE carries out the parameter of the mode of operation of CS business based on a certain mode, such as, first parameter shows that VMSC supports that UE carries out CS business (namely VMSC possesses CSFB ability) based on CSFB framework, and the second parameter shows that VMSC supports that UE carries out CS business (namely VMSC possesses SRVCC Based ability) based on SRVCC Based framework.In the present embodiment, when UE carries out CS business, spendable mode comprises UE and carries out CS business based on first network framework or UE carries out CS business based on second network framework.Further, first network framework is CSFB framework, and second network framework is SRVCC Based framework.Be understandable that, above-mentioned CSFB framework and SRVCC Based framework are only two kinds of optimal ways of the spendable mode when UE carries out CS business, specifically do not limit herein.
504, VMSC judges whether local configuration information meets the configuration condition preset, and if so, then performs step 505, if not, then performs step 506;
In the present embodiment, VMSC judges whether local configuration information meets the configuration condition preset and comprise: VMSC judges whether local configuration information shows that VMSC only supports that UE carries out the mode of operation of CS business based on CSFB framework, if so, then confirm to meet the configuration condition preset.Be understandable that, default configuration condition also can be set to other describing mode according to demand, is specifically not construed as limiting herein.
505, the first indication information is generated;
This first indication information is used to indicate UE and carries out CS business based on CSFB framework.
506, the second indication information is generated;
This second indication information is used to indicate UE and carries out CS business based on SRVCC Based framework.
Namely when local configuration information meets default configuration condition, VMSC generates and is used to indicate UE carries out CS business the first indication information based on CSFB framework, otherwise VMSC generates and is used to indicate UE carries out CS business the second indication information based on SRVCC Based framework, thus makes the VMSC in the embodiment of the present invention whether can show that VMSC only supports that the mode of operation that UE carries out CS business based on CSFB framework indicates UE to carry out CS business based on CSFB framework or carry out CS business based on SRVCC Based framework according to local configuration information.
507, VMSC responds to MME the SGs location updating comprising this first indication information or the second indication information and accepts message.
Namely after VMSC generates indication information according to local configuration information, this indication information is encapsulated into SGs location updating and accepts in message by VMSC, respond to MME the SGs location updating comprising this indication information again and accept message, to set up the SGs association between VMSC and the MME of visited place.It should be noted that, adhere to successfully when combining of UE, the indication information control UE that MME just can accept in message according to SGs location updating carries out CS business; Be specially: when VMSC generates the first indication information, MME carries out CS business according to this first indication information instruction UE based on CSFB framework; When VMSC generates the second indication information, MME carries out CS business according to this second indication information instruction UE based on SRVCC Based framework.
In the technical scheme that the embodiment of the present invention provides, carried out by UE in the process of associating attachment, VMSC generates indication information, and this indication information is used to indicate the mode that should use when UE carries out CS business; And respond to MME the SGs location updating comprising this indication information and accept message, carry out CS business to make MME according to this indication information control UE.Therefore relative to prior art, the embodiment of the present invention is by expanding the interface between MME and VMSC, and the indication information that MME can be generated according to VMSC reasonably selects UE to use which kind of mode to carry out CS business, to promote carrying out flexibly of CS business.
Further, in the technical scheme that the embodiment of the present invention provides, VMSC generates indication information according to the local configuration information obtained, and makes MME UE can be selected to use which kind of mode to carry out CS business according to the control law preset.
Embodiment shown in Fig. 3 to Fig. 5 describes from the angle of VMSC, is described in detail below, specifically refers to Fig. 6 from the angle of MME to the embodiment of the present invention, and in the embodiment of the present invention, in LTE network, another embodiment of implementation method of CS business comprises:
601, MME receives the associating Attach Request message that UE sends;
The concrete structure of associating Attach Request message asks for an interview prior art, does not repeat in the present embodiment.
602, UE is attached to EPC by MME;
Namely, when MME receives the associating Attach Request message of UE transmission, UE is attached to EPC by MME.
603, MME sends SGs location update request message to visited place circuit domain core network element;
The concrete structure of SGs location update request message asks for an interview prior art, does not repeat in the present embodiment.
604, the SGs location updating that MME reception visited place circuit domain core network element is responded accepts message;
It should be noted that, SGs location updating accepts message and sends after UE is attached to CS territory by visited place circuit domain core network element.Namely when visited place circuit domain core network element receives the associating Attach Request message of MME transmission, UE is first attached to CS territory by visited place circuit domain core network element, then accepts message to MME response SGs location updating.
In the present embodiment, SGs location updating accepts message and carries indication information, and this indication information is used to indicate the mode that should use when UE carries out CS business.In the different application scene of prior art, different UE use the mode of carrying out CS business may be different, be understandable that in prior art, to there is multiple spendable mode of carrying out CS business thus.
605, MME carries out CS business according to this indication information control UE;
In the present embodiment, adhere to successfully when UE combines, the indication information control UE that MME just can accept in message according to SGs location updating carries out CS business.
In the technical scheme that the embodiment of the present invention provides, UE is being carried out in the process of associating attachment, the SGs location updating that MME reception visited place circuit domain core network element is responded according to SGs location update request message accepts message, SGs location updating accepts message and carries indication information, this indication information is used to indicate the mode that should use when UE carries out CS business, adhere to successfully when UE combines, MME carries out CS business according to this indication information control UE.Therefore relative to prior art, the embodiment of the present invention is by expanding the interface between MME and visited place circuit domain core network element, the indication information that MME can be accepted in message according to SGs location updating reasonably selects UE to use which kind of mode to carry out CS business, to promote carrying out flexibly of CS business.
On basis embodiment illustrated in fig. 6, judge whether UE meets the circuit domain switching condition preset, and specifically refer to Fig. 7, in the embodiment of the present invention, in LTE network, another embodiment of implementation method of CS business comprises below further:
Be described for VMSC as visited place circuit domain core network element below.
701, VMSC receives the associating Attach Request message that UE sends;
The concrete structure of associating Attach Request message asks for an interview prior art, does not repeat in the present embodiment.
702, described UE is attached to EPC by MME;
Namely, when MME receives the associating Attach Request message of UE transmission, UE is attached to EPC by MME.
703, MME judges whether UE meets the circuit domain switching condition preset, and if so, then performs step 705, if not, then and step 704;
In the present embodiment, MME judges whether UE meets the circuit domain switching condition preset and comprise: MME judges whether to receive the permission switching command of VMSC transmission, and if so, MME confirms to meet the circuit domain switching condition preset.In practical application scene, MME after the associating Attach Request message receiving UE transmission, can send switching command to VMSC and asks for instructions, when VMSC allows to be switched to circuit domain, then responds to MME and allows switching command.Be understandable that, in some other embodiment, the circuit domain switching condition preset can also be other describing modes, is specifically not construed as limiting herein.
704, other flow processs are performed;
Namely when MME judges that UE does not meet the circuit domain switching condition preset, other flow processs are performed.Be understandable that, performing other flow processs can be process ends, and namely UE no longer proceeds associating attachment flow, also can be to perform other handling processes, does not specifically limit herein.
705, MME sends SGs location update request message to VMSC;
The concrete structure of SGs location update request message asks for an interview prior art, does not repeat in the present embodiment.
706, the SGs location updating that MME reception visited place circuit domain core network element is responded accepts message;
It should be noted that, SGs location updating accepts message and sends after UE is attached to CS territory by VMSC.Namely when VMSC receives the associating Attach Request message of MME transmission, UE is first attached to CS territory by VMSC, then accepts message to MME response SGs location updating.
In the present embodiment, SGs location updating accepts message and carries indication information, and this indication information is used to indicate the mode that should use when UE carries out CS business.In the present embodiment, this indication information is used to indicate UE and carries out CS business based on first network framework or UE carries out CS business based on second network framework.Further, first network framework is CSFB framework, second network framework is SRVCC Based framework, namely can be understood as: this indication information comprises and is used to indicate UE and carries out the first indication information of CS business based on CSFB framework and be used to indicate UE to carry out CS business the second indication information based on SRVCC Based framework.Be understandable that, above-mentioned CSFB framework and SRVCC Based framework are only two kinds of optimal ways of the spendable mode when UE carries out CS business, specifically do not limit herein.
707, MME carries out CS business according to this indication information control UE;
In the present embodiment, adhere to successfully when UE combines, the indication information control UE that MME just can accept in message according to SGs location updating carries out CS business.Be specially: when SGs location updating accept in message carry the first indication information time, MME according to this first indication information instruction UE carry out CS business based on CSFB framework; When SGs location updating accept in message carry the second indication information time, MME according to this second indication information instruction UE carry out CS business based on SRVCC Based framework.
In the technical scheme that the embodiment of the present invention provides, UE is being carried out in the process of associating attachment, the SGs location updating that MME reception VMSC responds according to SGs location update request message accepts message, SGs location updating accepts message and carries indication information, this indication information is used to indicate the mode that should use when UE carries out CS business, adhere to successfully when UE combines, MME carries out CS business according to this indication information control UE.Therefore relative to prior art, the embodiment of the present invention is by expanding the interface of MME and VMSC, the indication information that MME can be accepted in message according to SGs location updating reasonably selects UE to use which kind of mode to carry out CS business, to promote carrying out flexibly of CS business.
Above the implementation method of CS business in LTE network in the embodiment of the present invention is described, below the visited place circuit domain core network element in the embodiment of the present invention is described, refer to Fig. 8, in the embodiment of the present invention, visited place circuit domain core network element embodiment comprises:
Receiving element 801, for when UE sends associating Attach Request message to MME, receive the SGs location update request message that described MME sends, described SGs location update request message sends after described UE is attached to EPC by described MME;
CS territory adhesion unit 802, for being attached to CS territory by described UE;
Generation unit 803, for generating indication information, described indication information is used to indicate the mode that should use when described UE carries out CS business;
Transmitting element 804, accepting message for responding to described MME the SGs location updating comprising described indication information, controlling described UE carry out CS business to make described MME according to described indication information.
For ease of understanding, below for an embody rule scene, the inner working flow process of visited place circuit domain core network element in the present embodiment is described:
When UE sends associating Attach Request message to MME, receiving element 801 receives the SGs location update request message that described MME sends, and described SGs location update request message sends after described UE is attached to EPC by described MME; Described UE is attached to CS territory by CS territory adhesion unit 802; Generation unit 803 generates indication information, and described indication information is used to indicate the mode that should use when described UE carries out CS business; Transmitting element 804 is responded to described MME the SGs location updating comprising described indication information and is accepted message, controls described UE carry out CS business to make described MME according to described indication information.
In the technical scheme that the embodiment of the present invention provides, carried out by UE in the process of associating attachment, the generation unit 803 of visited place circuit domain core network element generates indication information, and this indication information is used to indicate the mode that should use when UE carries out CS business; And respond to MME the SGs location updating comprising this indication information by transmitting element 804 and accept message, carry out CS business to make MME according to this indication information control UE.Therefore relative to prior art, the embodiment of the present invention is by expanding the interface between MME and visited place circuit domain core network element, the indication information that MME can be generated according to visited place circuit domain core network element reasonably selects UE to use which kind of mode to carry out CS business, to promote carrying out flexibly of CS business.
Be understandable that, the generation unit of visited place circuit domain core network element can have different concrete structures, is described respectively below:
The first, generation unit is used for generating indication information according to described user data.
Specifically refer to Fig. 9, in the embodiment of the present invention, another embodiment of visited place circuit domain core network element comprises:
Receiving element 901, for when UE sends associating Attach Request message to MME, receive the SGs location update request message that described MME sends, described SGs location update request message sends after described UE is attached to EPC by described MME;
CS territory adhesion unit 902, for being attached to CS territory by described UE;
Generation unit 903, for generating indication information, described indication information is used to indicate the mode that should use when described UE carries out CS business;
Transmitting element 904, accepting message for responding to described MME the SGs location updating comprising described indication information, controlling described UE carry out CS business to make described MME according to described indication information.
Further, in the embodiment of the present invention, described indication information is used to indicate described UE and carries out CS business based on first network framework or described UE carries out CS business based on second network framework; Described first network framework is CSFB framework; Described second network framework is SRVCC Based framework;
Described CS territory adhesion unit 902 specifically comprises:
Send subelement 9021: for sending update request message to HLR/HSS;
Receive subelement 9022, receive the renewal response message that described HLR/HSS responds, described renewal respond packet is containing user data;
Then described generation unit 903 specifically comprises:
First generates subelement 9031, for generating indication information according to described user data.
Alternatively, described user data comprises user signing contract information, and in the embodiment of the present invention, the first generation subelement 9031 comprises:
First judge module, for judging that whether described user signing contract information meets the user preset and to contract condition;
First generation module, for meet when described user signing contract information default user contract condition time, generate the first indication information, described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
Second generation module, for when the satisfied user preset of described user signing contract information contracts condition, generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
Alternatively, in the embodiment of the present invention, the first judge module comprises:
First judges submodule, for judging whether described user signing contract information specifies described UE to carry out CS business based on CSFB framework;
First confirms submodule, during for specifying described UE to carry out CS business based on CSFB framework when described user signing contract information, confirming to meet default user and to contract condition.
Alternatively, described user data comprises user ID; In the embodiment of the present invention, the first generation subelement 9031 comprises:
Second judge module, for judging whether described user ID meets the user ID condition preset;
3rd generation module, during for meeting default user ID condition when described user ID, generates the first indication information, and described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
4th generation module, for when described user ID does not meet the user ID condition preset, generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
Alternatively, described user ID comprises the mobile number of described UE; Second judge module comprises:
Second judges submodule, for judging that whether number section of the mobile number of described UE is in preset number section;
Second confirms submodule, for number section of the mobile number as described UE when preset number section, confirms to meet default user ID condition.
Alternatively, described user data comprises user professional ability information; In the embodiment of the present invention, the first generation subelement 9031 comprises:
3rd judge module, for judging whether described user professional ability information meets the user professional ability condition preset;
5th generation module, for when described user professional ability information meets default user professional ability condition, generates the first indication information, and described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
6th generation module, for when described user professional ability information does not meet the user professional ability condition preset, generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
Alternatively, the 3rd judge module comprises:
3rd judges submodule, for judging whether user professional ability information shows that described UE orders pre-set business;
3rd confirms submodule, during for showing that when user professional ability information described UE orders pre-set business, confirms to meet the user professional ability condition preset.
In the present embodiment, circuit domain core network element in visited place can be VMSC.
In the technical scheme that the embodiment of the present invention provides, carried out by UE in the process of associating attachment, the generation unit 903 of visited place circuit domain core network element generates indication information, and this indication information is used to indicate the mode that should use when UE carries out CS business; And respond to MME the SGs location updating comprising this indication information by transmitting element 904 and accept message, carry out CS business to make MME according to this indication information control UE.Therefore relative to prior art, the embodiment of the present invention is by expanding the interface between MME and visited place circuit domain core network element, the indication information that MME can be generated according to visited place circuit domain core network element reasonably selects UE to use which kind of mode to carry out CS business, to promote carrying out flexibly of CS business.
Further, in the technical scheme that the embodiment of the present invention provides, the user data that generation unit 903 in the circuit domain core network element of visited place utilizes CS territory adhesion unit 902 to obtain generates indication information, makes MME certain class (as 134 of China Mobile's section) or certain UE can be selected to use which kind of mode to carry out CS business according to the control law preset.
The second, generation unit is used for generating indication information according to local configuration information.
Specifically refer to Figure 10, in the embodiment of the present invention, another embodiment of visited place circuit domain core network element comprises:
Receiving element 1001, for when UE sends associating Attach Request message to MME, receive the SGs location update request message that described MME sends, described SGs location update request message sends after described UE is attached to EPC by described MME;
CS territory adhesion unit 1002, for being attached to CS territory by described UE;
Generation unit 1003, for generating indication information, described indication information is used to indicate the mode that should use when described UE carries out CS business;
Transmitting element 1004, accepting message for responding to described MME the SGs location updating comprising described indication information, controlling described UE carry out CS business to make described MME according to described indication information.
Further, in the embodiment of the present invention, described indication information is used to indicate described UE and carries out CS business based on first network framework or described UE carries out CS business based on second network framework; Described first network framework is CSFB framework; Described second network framework is SRVCC Based framework;
Described visited place circuit domain core network element also comprises:
Acquiring unit 1005, for obtaining local configuration information;
Then described generation unit specifically comprises:
Second generates subelement 10031, for generating indication information according to local configuration information.
Alternatively, in the embodiment of the present invention, the second generation subelement 10031 comprises:
4th judge module, for judging whether described local configuration information meets the configuration condition preset;
7th generation module, for when described local configuration information meets default configuration condition, generates the first indication information, and described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
8th generation module, for when described local configuration information does not meet the configuration condition preset, generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
Preferably, the 4th judge module comprises:
4th judges submodule, for judging whether described local configuration information shows that described visited place circuit domain core network element only supports that described UE carries out the mode of operation of CS business based on CSFB framework;
4th confirms submodule, during for showing that described visited place circuit domain core network element only supports that described UE carries out the mode of operation of CS business based on CSFB framework when described local configuration information, confirms to meet the configuration condition preset.
In the present embodiment, circuit domain core network element in visited place can be VMSC.
In the technical scheme that the embodiment of the present invention provides, carried out by UE in the process of associating attachment, the generation unit 1003 of visited place circuit domain core network element generates indication information, and this indication information is used to indicate the mode that should use when UE carries out CS business; And respond to MME the SGs location updating comprising this indication information by transmitting element 1004 and accept message, carry out CS business to make MME according to this indication information control UE.Therefore relative to prior art, the embodiment of the present invention is by expanding the interface between MME and visited place circuit domain core network element, the indication information that MME can be generated according to visited place circuit domain core network element reasonably selects UE to use which kind of mode to carry out CS business, to promote carrying out flexibly of CS business.
Further, in the technical scheme that the embodiment of the present invention provides, in the circuit domain core network element of visited place second generates the local configuration information generation indication information that subelement 10031 obtains according to acquiring unit 1005, makes MME UE can be selected to use which kind of mode to carry out CS business according to the control law preset.
Be described visited place circuit domain core network element in the embodiment of the present invention above, be described below, refer to Figure 11 to the MME in the embodiment of the present invention, in the embodiment of the present invention, MME embodiment comprises:
First receiving element 1101, for receiving the associating Attach Request message that UE sends;
EPC adhesion unit 1102, for being attached to EPC by described UE;
Transmitting element 1103, for sending SGs location update request message to visited place circuit domain core network element;
Second receiving element 1104, the SGs location updating responded for receiving described visited place circuit domain core network element accepts message; Described SGs location updating accepts message and carries indication information, and described indication information is used to indicate the mode that should use when described UE carries out CS business; Described SGs location update request message sends after described UE is attached to CS territory by described visited place circuit domain core network element.
Control unit 1105, adheres to successfully for combining as UE, and described MME controls described UE according to described indication information and carries out CS business.
For ease of understanding, below for an embody rule scene, the inner working flow process of the MME in the present embodiment is described:
First receiving element 1101 receives the associating Attach Request message that UE sends; Described UE is attached to EPC by EPC adhesion unit 1102; Transmitting element 1103 sends SGs location update request message to visited place circuit domain core network element; The SGs location updating that second receiving element 1104 receives the circuit domain core network element response of described visited place accepts message; Described SGs location updating accepts message and carries indication information, and described indication information is used to indicate the mode that should use when described UE carries out CS business; Described SGs location update request message sends after described UE is attached to CS territory by described visited place circuit domain core network element; Adhere to successfully when UE combines, control unit 1105 controls described UE according to described indication information and carries out CS business.
In the technical scheme that the embodiment of the present invention provides, UE is being carried out in the process of associating attachment, second receiving element 1104 of MME receives the SGs location updating that VMSC responds according to SGs location update request message and accepts message, SGs location updating accepts message and carries indication information, this indication information is used to indicate the mode that should use when UE carries out CS business, adhere to successfully when UE combines, control unit 1105 carries out CS business according to this indication information control UE.Therefore relative to prior art, the embodiment of the present invention is by expanding the interface of MME and VMSC, the indication information that MME can be accepted in message according to SGs location updating reasonably selects UE to use which kind of mode to carry out CS business, to promote carrying out flexibly of CS business.
Further describe on basis embodiment illustrated in fig. 11 below and can judge whether UE meets the concrete structure of the MME of the circuit domain switching condition preset, and specifically refer to Figure 12, in the embodiment of the present invention, another embodiment of MME comprises:
First receiving element 1201, for receiving the associating Attach Request message that UE sends;
EPC adhesion unit 1202, for being attached to EPC by described UE;
Transmitting element 1203, for sending SGs location update request message to visited place circuit domain core network element;
Second receiving element 1204, the SGs location updating responded for receiving described visited place circuit domain core network element accepts message; Described SGs location updating accepts message and carries indication information, and described indication information is used to indicate the mode that should use when described UE carries out CS business; Described SGs location update request message sends after described UE is attached to CS territory by described visited place circuit domain core network element.
Control unit 1205, adheres to successfully for combining as UE, and described MME controls described UE according to described indication information and carries out CS business.
Further, in the embodiment of the present invention, described MME also comprises:
Judging unit 1206, after described UE being attached to EPC at described MME, before described MME sends SGs location update request message to visited place circuit domain core network element, judges whether described UE meets the circuit domain switching condition preset;
Confirmation unit 1207, during for meeting default circuit domain switching condition as described UE, performs described MME and sends SGs location update request message to visited place circuit domain core network element.
Preferably, described judging unit 1206 comprises:
Judge module, for judging whether the permission switching command receiving the circuit domain core network element transmission of described visited place;
Confirming module, for when receiving the permission switching command that described visited place circuit domain core network element sends, confirming to meet the circuit domain switching condition preset.
In the technical scheme that the embodiment of the present invention provides, UE is being carried out in the process of associating attachment, second receiving element 1204 of MME receives the SGs location updating that VMSC responds according to SGs location update request message and accepts message, SGs location updating accepts message and carries indication information, this indication information is used to indicate the mode that should use when UE carries out CS business, adhere to successfully when UE combines, control unit 1205 carries out CS business according to this indication information control UE.Therefore relative to prior art, the embodiment of the present invention is by expanding the interface of MME and VMSC, the indication information that MME can be accepted in message according to SGs location updating reasonably selects UE to use which kind of mode to carry out CS business, to promote carrying out flexibly of CS business.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (32)

1. the implementation method of CS business in LTE network, is characterized in that, when UE sends associating Attach Request message to MME, comprising:
Visited place circuit domain core network element receives the SGs location update request message that described MME sends, and described SGs location update request message sends after described UE is attached to EPC by described MME;
Described UE is attached to CS territory by described visited place circuit domain core network element;
Described visited place circuit domain core network element generates indication information, and described indication information is used to indicate the mode that should use when described UE carries out CS business;
Described visited place circuit domain core network element is responded to described MME the SGs location updating comprising described indication information and is accepted message, controls described UE carry out CS business to make described MME according to described indication information.
2. the implementation method of CS business in LTE network as claimed in claim 1, is characterized in that, described indication information is used to indicate described UE and carries out CS business based on first network framework or described UE carries out CS business based on second network framework.
3. the implementation method of CS business in LTE network as claimed in claim 2, it is characterized in that, described first network framework is CSFB framework; Described second network framework is SRVCC Based framework.
4. the implementation method of CS business in LTE network as claimed in claim 3, it is characterized in that, described UE is attached to CS territory and comprises by described visited place circuit domain core network element:
Described visited place circuit domain core network element sends update request message to HLR/HSS;
Described visited place circuit domain core network element receives the renewal response message that described HLR/HSS responds, and described renewal response message comprises user data;
Described visited place circuit domain core network element generates indication information and comprises:
Described visited place circuit domain core network element generates indication information according to described user data.
5. the implementation method of CS business in LTE network as claimed in claim 4, it is characterized in that, described user data comprises user signing contract information;
Described visited place circuit domain core network element generates indication information according to described user data and comprises:
Described visited place circuit domain core network element judges that whether described user signing contract information meets the user preset and to contract condition,
If so, then generate the first indication information, described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
If not, then generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
6. the implementation method of CS business in LTE network as claimed in claim 5, it is characterized in that, described visited place circuit domain core network element judges whether described user signing contract information meets the user's condition of contracting preset and comprise:
Described visited place circuit domain core network element judges whether described user signing contract information specifies described UE to carry out CS business based on CSFB framework, if so, then confirms that meeting the user preset contracts condition.
7. the implementation method of CS business in LTE network as claimed in claim 4, it is characterized in that, described user data comprises user ID;
Described visited place circuit domain core network element generates indication information according to described user data and comprises:
Described visited place circuit domain core network element judges whether described user ID meets the user ID condition preset,
If so, then generate the first indication information, described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
If not, then generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
8. the implementation method of CS business in LTE network as claimed in claim 7, it is characterized in that, described user ID comprises the mobile number of described UE;
Then described visited place circuit domain core network element judges whether described user ID meets the user ID condition preset and comprise:
Described visited place circuit domain core network element judges that whether number section of the mobile number of described UE is in preset number section, if so, then confirms to meet the user ID condition preset.
9. the implementation method of CS business in LTE network as claimed in claim 4, it is characterized in that, described user data comprises user professional ability information;
Described visited place circuit domain core network element generates indication information according to described user data and comprises:
Described visited place circuit domain core network element judges whether described user professional ability information meets the user professional ability condition preset,
If so, then generate the first indication information, described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
If not, then generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
10. the implementation method of CS business in LTE network as claimed in claim 9, is characterized in that,
Described visited place circuit domain core network element judges whether described user professional ability information meets the user professional ability condition preset and comprise:
Described visited place circuit domain core network element judges whether user professional ability information shows that described UE orders pre-set business, if so, then confirms to meet the user professional ability condition preset.
The implementation method of CS business in 11. LTE network as claimed in claim 3, it is characterized in that, described method also comprises:
Described visited place circuit domain core network element obtains local configuration information;
Described visited place circuit domain core network element generates indication information and comprises:
Described visited place circuit domain core network element generates indication information according to local configuration information.
In 12. LTE network as claimed in claim 11, the implementation method of CS business, is characterized in that, described visited place circuit domain core network element generates indication information according to local configuration information and comprises:
Described visited place circuit domain core network element judges whether described local configuration information meets the configuration condition preset,
If so, then generate the first indication information, described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
If not, then generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
In 13. LTE network as claimed in claim 12, the implementation method of CS business, is characterized in that, described visited place circuit domain core network element judges whether described local configuration information meets the configuration condition preset and comprise:
Described visited place circuit domain core network element judges whether described local configuration information shows that described visited place circuit domain core network element only supports that described UE carries out the mode of operation of CS business based on CSFB framework, if so, then confirms to meet the configuration condition preset.
The implementation method of CS business in 14. 1 kinds of LTE network, is characterized in that, comprising:
MME receives the associating Attach Request message that UE sends;
Described UE is attached to EPC by described MME;
Described MME sends SGs location update request message to visited place circuit domain core network element;
The SGs location updating that described MME receives the circuit domain core network element response of described visited place accepts message; Described SGs location updating accepts message and carries indication information, and described indication information is used to indicate the mode that should use when described UE carries out CS business; Described SGs location update request message sends after described UE is attached to CS territory by described visited place circuit domain core network element.
Adhere to successfully when UE combines, described MME controls described UE according to described indication information and carries out CS business.
In 15. LTE network as claimed in claim 14, the implementation method of CS business, is characterized in that, described indication information is used to indicate described UE and carries out CS business based on first network framework or described UE carries out CS business based on second network framework.
The implementation method of CS business in 16. LTE network as claimed in claim 15, it is characterized in that, described first network framework is CSFB framework; Described second network framework is SRVCC Based framework.
17. as the implementation method of CS business in the LTE network in claim 14 to 16 as described in any one, it is characterized in that, after described UE is attached to EPC by described MME, described MME also comprised before visited place circuit domain core network element sends SGs location update request message:
Described MME judges whether described UE meets the circuit domain switching condition preset, and if so, then performs described MME and sends SGs location update request message to visited place circuit domain core network element.
In 18. LTE network as claimed in claim 17, the implementation method of CS business, is characterized in that, described MME judges whether described UE meets the circuit domain switching condition preset and comprise:
MME judges whether the permission switching command receiving the circuit domain core network element transmission of described visited place, and if so, then described MME confirms to meet the circuit domain switching condition preset.
19. 1 kinds of visited place circuit domain core network elements, is characterized in that, comprising:
Receiving element, for when UE sends associating Attach Request message to MME, receive the SGs location update request message that described MME sends, described SGs location update request message sends after described UE is attached to EPC by described MME;
CS territory adhesion unit, for being attached to CS territory by described UE;
Generation unit, for generating indication information, described indication information is used to indicate the mode that should use when described UE carries out CS business;
Transmitting element, accepting message for responding to described MME the SGs location updating comprising described indication information, controlling described UE carry out CS business to make described MME according to described indication information.
20. visited place as claimed in claim 19 circuit domain core network elements, is characterized in that: described indication information is used to indicate described UE and carries out CS business based on first network framework or described UE carries out CS business based on second network framework; Described first network framework is CSFB framework; Described second network framework is SRVCC Based framework;
Described CS territory adhesion unit specifically comprises:
Send subelement: for sending update request message to HLR/HSS;
Receive subelement, receive the renewal response message that described HLR/HSS responds, described renewal respond packet is containing user data;
Then described generation unit specifically comprises:
First generates subelement, for generating indication information according to described user data.
21. visited place as claimed in claim 20 circuit domain core network elements, is characterized in that: described user data comprises user signing contract information;
Described first generates subelement comprises:
First judge module, for judging that whether described user signing contract information meets the user preset and to contract condition;
First generation module, for meet when described user signing contract information default user contract condition time, generate the first indication information, described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
Second generation module, for when the satisfied user preset of described user signing contract information contracts condition, generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
22. visited place as claimed in claim 21 circuit domain core network elements, is characterized in that: described first judge module comprises:
First judges submodule, for judging whether described user signing contract information specifies described UE to carry out CS business based on CSFB framework;
First confirms submodule, during for specifying described UE to carry out CS business based on CSFB framework when described user signing contract information, confirming to meet default user and to contract condition.
23. visited place as claimed in claim 20 circuit domain core network elements, is characterized in that: described user data comprises user ID;
Described first generates subelement comprises:
Second judge module, for judging whether described user ID meets the user ID condition preset;
3rd generation module, during for meeting default user ID condition when described user ID, generates the first indication information, and described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
4th generation module, for when described user ID does not meet the user ID condition preset, generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
24. visited place as claimed in claim 23 circuit domain core network elements, is characterized in that: described user ID comprises the mobile number of UE;
Described second judge module comprises:
Second judges submodule, for judging that whether number section of the mobile number of described UE is in preset number section;
Second confirms submodule, for number section of the mobile number as described UE when preset number section, confirms to meet default user ID condition.
25. visited place as claimed in claim 20 circuit domain core network elements, is characterized in that: described user data comprises user professional ability information;
Described first generates subelement comprises:
3rd judge module, for judging whether described user professional ability information meets the user professional ability condition preset;
5th generation module, for when described user professional ability information meets default user professional ability condition, generates the first indication information, and described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
6th generation module, for when described user professional ability information does not meet the user professional ability condition preset, generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
26. visited place as claimed in claim 25 circuit domain core network elements, is characterized in that: described 3rd judge module comprises:
3rd judges submodule, for judging whether user professional ability information shows that described UE orders pre-set business;
3rd confirms submodule, during for showing that when user professional ability information described UE orders pre-set business, confirms to meet the user professional ability condition preset.
27. visited place as claimed in claim 19 circuit domain core network elements, is characterized in that: described indication information is used to indicate described UE and carries out CS business based on first network framework or described UE carries out CS business based on second network framework; Described first network framework is CSFB framework; Described second network framework is SRVCC Based framework;
Described visited place circuit domain core network element also comprises:
Acquiring unit, for obtaining local configuration information;
Then described generation unit specifically comprises:
Second generates subelement, for generating indication information according to local configuration information.
28. visited place as claimed in claim 27 circuit domain core network elements, is characterized in that: described second generates subelement comprises:
4th judge module, for judging whether described local configuration information meets the configuration condition preset;
7th generation module, for when described local configuration information meets default configuration condition, generates the first indication information, and described first indication information is used to indicate described UE and carries out CS business based on CSFB framework;
8th generation module, for when described local configuration information does not meet the configuration condition preset, generate the second indication information, described second indication information is used to indicate described UE and carries out CS business based on SRVCC Based framework.
29. visited place as claimed in claim 28 circuit domain core network elements, is characterized in that: described 4th judge module comprises:
4th judges submodule, for judging whether described local configuration information shows that described visited place circuit domain core network element only supports that described UE carries out the mode of operation of CS business based on CSFB framework;
4th confirms submodule, during for showing that described visited place circuit domain core network element only supports that described UE carries out the mode of operation of CS business based on CSFB framework when described local configuration information, confirms to meet the configuration condition preset.
30. 1 kinds of MME, is characterized in that, comprising:
First receiving element, for receiving the associating Attach Request message that UE sends;
EPC adhesion unit, for being attached to EPC by described UE;
Transmitting element, for sending SGs location update request message to visited place circuit domain core network element;
Second receiving element, the SGs location updating responded for receiving described visited place circuit domain core network element accepts message; Described SGs location updating accepts message and carries indication information, and described indication information is used to indicate the mode that should use when described UE carries out CS business; Described SGs location update request message sends after described UE is attached to CS territory by described visited place circuit domain core network element.
Control unit, adheres to successfully for combining as UE, controls described UE carry out CS business according to described indication information.
31. MME as claimed in claim 30, it is characterized in that, described MME also comprises:
Judging unit, after described UE being attached to EPC at described MME, before described MME sends SGs location update request message to visited place circuit domain core network element, judges whether described UE meets the circuit domain switching condition preset;
Confirmation unit, during for meeting default circuit domain switching condition as described UE, performs described MME and sends SGs location update request message to visited place circuit domain core network element.
32. MME as claimed in claim 31, it is characterized in that, described judging unit comprises:
Judge module, for judging whether the permission switching command receiving the circuit domain core network element transmission of described visited place;
Confirming module, for when receiving the permission switching command that described visited place circuit domain core network element sends, confirming to meet the circuit domain switching condition preset.
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