CN102420816A - Method, system and device for establishing control relevance relationship - Google Patents
Method, system and device for establishing control relevance relationship Download PDFInfo
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- CN102420816A CN102420816A CN2011103804909A CN201110380490A CN102420816A CN 102420816 A CN102420816 A CN 102420816A CN 2011103804909 A CN2011103804909 A CN 2011103804909A CN 201110380490 A CN201110380490 A CN 201110380490A CN 102420816 A CN102420816 A CN 102420816A
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Abstract
The invention discloses a method for establishing control relevance relationship, which comprises the following steps that the address information of a second network entity (NE) is obtained by a first NE; the address information of the first NE is sent into the second NE by the first NE. The invention also discloses a system for establishing the control relevance relationship, an access adaptation unit and a circuit switch (CS) domain control functional entity. In the embodiment of the invention, a local-CS access adaptation function-network (L-CAAF-n) can be used for knowing whether a user is an Internet protocol multimedia subsystem (IMS) centralized service (ICS) user or not and the address of IMS CS control function (ICCF), so that the control relevance relationship can be established between the L-CAAF-n and the ICCF.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method, system and equipment of setting up the control incidence relation.
Background technology
IMS (IP Multimedia Subsystem; IP Multimedia System) is 3GPP (3rd Generation Partnership Project; The standardized partnership projects of 3G (Third Generation) Moblie) WCDMA of R5/R6 standard definition (Wideband Code Division Multiple Access; The WCDMA access) IP Multimedia System in the network is that the 3G mobile network is realized packet voice and grouped data, and the unified multimedia service and the objective network of application are provided.IMS adopts the bearer path of IP packet domain as its control signaling and media delivery, adopts SIP (Session Initiation Protocol, agreement is just known in session) agreement as call control signalling.In IMS, the user contracting data of IMS concentrates on management among the HSS (Home Subscriber Server, home signature user server); Professional by application server AS (Application Server; Application server) unified providing, session control is accomplished by CSCF (Call Session Control Function, CSCF); Both separate on network configuration fully; The professional S-CSCF (Serving CSCF, serving CSCF) of passing through is toggled to AS and handles, but collaborative work between a plurality of AS.The user is through P-CSCF (the Proxy CSCF at current place; Proxy CSCF) inserts IMS; Session is then accomplished by the home domain service node of its registered place with professional control; Therefore the user can obtain same service at diverse access point, has realized service management, session control and carries that the three who inserts separates and provide with the business of access and location independent.
IMS is the description of 3GPP and TISPAN; In 3GPP2, also there is a similar IP multimedia subsystem, IMS to be called MMD (Multimedia Domain; Multimedia domain, MMD), itself and the similar of IMS are so hereinafter is for for simplicity; Just describe, but clearly the method for hereinafter description equally also is applicable to MMD according to IMS.
At network in the IMS evolution process; The situation that a period of time CS (Circuit Switch, circuit switching) and IMS will occur and deposit, at this moment; Operator hopes to have in the network control point to carry out centralized control to the business in two territories; So that the minimizing deployment is with management costs and consistent business experience is provided, this central controlled point generally all is in the IMS network, is realized by AS.Just when the user passes through the CS network insertion, provide professional at the IMS network for it equally.
At present all relate to this problem at aspects such as the centralized traffic control of 3GPP and TISPAN, as shown in Figure 1, ICS (IMS Centralized Service, centralized traffic control) structure has been described.Wherein, L-CAAF-n (Local-CS Access Adaptation Function-Network, the local terminal CS of network side inserts the adaption function entity) is a newly-increased entity; Can be put between UE (User Equipment, subscriber equipment) and the MSC (Mobile Switch Center, mobile switching centre) and be provided with separately; Also can be put into together with MSC; The main completion discerns whether the user is ICS user, if the user is ICS user, further changes this user's number of C S domain signaling and SIP signaling each other; And send to ICCF (IMS CS Control Function to the SIP signaling after the conversion; CS territory controlled function entity), we can say that L-CAAF-n is one and inserts adaptation unit, have the function that is adapted to the signaling in CS territory the SIP signaling; ICCF is an AS with UA function, as the agency of user in the IMS territory, replaces the user to be linked into the IMS territory.When ICS user passed through the access of CS territory, L-CAAF-n need send to ICCF to the SIP signaling after the conversion, replaces the user to be linked into the IMS territory by ICCF, we can say that ICCF is a CS territory controlled function entity, was controlling and was working as the user through access IMS territory, CS territory.For different ICS users; Its ICCF possibly be different; When ICS user arrived a L-CAAF-n for the first time, L-CAAF-n is the address of this user's ICCF not, and L-CAAF-n can't send to ICCF to the SIP signaling after the conversion; Become a problem demanding prompt solution so how L-CAAF-n obtains the address of ICCF, how whether judges is that ICS user also is the problem that needs solve to L-CAAF-n simultaneously.
Summary of the invention
The embodiment of the invention provides a kind of method, system and equipment of setting up the control incidence relation, has realized that L-CAAF-n can set up the control incidence relation for ICS user between L-CAAF-n and ICCF.
The embodiment of the invention provides a kind of method of setting up the control incidence relation, may further comprise the steps:
First network entity obtains the address information of second network entity;
Said first network entity sends to said second network entity to the address information of self.
The embodiment of the invention provides whether a kind of definite user is ICS user's method, may further comprise the steps:
Insert the CAMEL-Subscription-Information that adaptation unit obtains the user;
Insert adaptation unit and from user's CAMEL-Subscription-Information, obtain the information that the user is ICS user.
The embodiment of the invention provides a kind of system that sets up the control incidence relation, comprising:
Insert adaptation unit, be used for confirming that the user is ICS user after, the address information of acquisition cuicuit CS territory controlled function entity, and notify said CS territory controlled function entity with user's CS domain information, said CS domain information comprises the address information of said access adaptation unit;
CS territory controlled function entity is used to obtain the address information of said access adaptation unit, and is the address information that said access unit provides itself.
The embodiment of the invention provides a kind of access adaptation unit, comprising:
ICS user's judgment sub-unit, whether be used for judges is ICS user;
CS territory controlled function physical address obtains subelement, is connected with said ICS user's judgment sub-unit, be used for confirming that the user is ICS user after, the address information of acquisition cuicuit CS territory controlled function entity;
The CS domain information sends subelement, obtains subelement with said CS territory controlled function physical address and is connected, and is used for notifying said CS territory controlled function entity with user's CS domain information.
The embodiment of the invention provides a kind of CS territory controlled function entity, comprising:
Insert the adaptation unit address and obtain subelement, be used to obtain the address information that inserts adaptation unit;
CS territory controlled function physical address provides subelement, is used to said access unit the address information of itself is provided.
Pass through the embodiment of the invention; L-CAAF-n can know whether the user is ICS user through user's CAMEL-Subscription-Information; When the user is ICS user, can obtains the address information of ICCF, and oneself address information is sent to this ICCF; Make L-CAAF-n and ICCF all know address each other, and then can between L-CAAF-n and ICCF, set up the control incidence relation.
Description of drawings
ICS system construction drawing in Fig. 1 prior art;
Fig. 2 be in the embodiment of the invention one L-CAAF-n to obtain the user be ICS user method flow chart;
Fig. 3 a utilizes USSD (Unstructured Supplementary Service Data, unstructured supplementary data traffic) to obtain ICCF address approach flow chart in the embodiment of the invention two;
Fig. 3 b is that another kind obtains ICCF address approach flow chart in the embodiment of the invention two;
Fig. 4 utilizes CAMEL to report VLR (Visit Location Register, VLR Visitor Location Register) number method flow diagram in the embodiment of the invention three;
Fig. 5 is that HSS issues the VLR method flow diagram in the embodiment of the invention four;
Fig. 6 is a structure ICCF address approach flow chart in the embodiment of the invention five;
Fig. 7 is an iFC triggering method flow chart in the embodiment of the invention six;
Fig. 8 is a kind of access adaptation unit structure chart in the embodiment of the invention;
Fig. 9 is a kind of CS territory controlled function entity structure diagram in the embodiment of the invention.
Embodiment
The foundation mentioned in embodiment of the invention control incidence relation is to refer to an access the address information that adaptation unit and CS territory access control function entity are known the other side each other.The registration in CS territory comprises that the position behind the Attach that the user starts shooting from shutting down to is upgraded and the user strides the position renewal that MSC/VLR carries out.
All be that the hypothesis user does not adhere to (Attach) in the CS territory at the beginning in following embodiment, carry out the attaching process and the position updating process in normal CS territory then.When the user carry out the position when upgrading can the MAP message through expansion (as; MAP_UPDATE_LOCATION message) L-CAAF-n is supported on the visit ground at identifying user place; So that L-CAAF-n is supported on HLR identification visit ground, when issuing data, identifying the user then is ICS user.
In the embodiment of the invention one, explained how L-CAAF-n knows whether the user is ICS user, and idiographic flow is as shown in Figure 2, may further comprise the steps:
Step s201-step s203, the user does not adhere to (Attach) in the CS territory at the beginning, carries out the attaching process and the position updating process in normal CS territory then.
Step s204, it is ICS user's information that HSS sends the user through MAP-Insert-Subscribe-Data message to L-CAAF-n.The method that is specially in MAP-Insert-Subscribe-Data identifying user and is ICS user includes but not limited to following method: a kind of is SS-Code or other fields that is fit in MAP_Insert-Subscribe-Data; Increase new value; Be used for showing that the user is ICS user; Just handle ICS as supplementary service,, otherwise then do not replace the user to be registered to IMS if L-CAAF-n finds that the user has the ICS business just to replace the user to be registered to IMS; Another kind is to increase new field at MAP_Insert-Subscribe-Data to be used for identifying user be ICS user.
In the present embodiment, if when L-CAAF-n is provided with separately, L-CAAF-n need arrive VLR or whether HLR (Home Location Register, attaching position register) inquiring user is ICS user.If between L-CAAF-n and HSS, increased new interface, L-CAAF-n also can obtain user's information through newly-increased interface.L-CAAF-n can simulate the prior function entity, obtains user's CAMEL-Subscription-Information through Cx or SH interface to HSS, and L-CAAF-n can subscribe to or the CAMEL-Subscription-Information of inquiring user through SH interface or CX interface.In addition; Received the sip message that CS territory controlled function entity sends if insert adaptation unit; So just mean that there be " CS territory controlled function entity " in the user, just mean that also the user is ICS user, and then decision needs the relevant information in the CS territory of notice CS territory controlled function entity user.
All be to be that ICS user's situation is an example in the following instance, if the user is not ICS user then L-CAAF-n only need be come the request message of process user to user's message transparent transmission by MSC with the user.
In the embodiment of the invention two, utilize the method flow of address that USSD obtains ICCF shown in Fig. 3 a, may further comprise the steps:
Step s301a-s303a, user carry out the position in normal CS territory to be upgraded.
Step s304a, L-CAAF-n find that the user need be the message informing of user CS territory registration to ICCF.
Step s305a, L-CAAF-n initiates USSD message, the address that obtains user's ICCF to HSS/HLR.
Step s306a, HSS return the address of ICCF to L-CAAF-n through USSD message.Wherein, The ICCF address that HSS returns; Can be the address of the user's that in HSS, disposes ICCF, or the HSS address that obtains ICCF after certain fixing place (like a database of preserving all users' ICCF address) inquiry, L-CAAF-n returned by HSS then.
Step s307a, L-CAAF-n sends Info message to ICCF, and notice ICCF user registers in the CS territory.Be that Info message is example with what send just in the present embodiment, what L-CAAF-can send possibly be Register message etc. also, and also possibly carry the address information of L-CAAF-n in this Info message.
Step s308a, ICCF replace the user to be registered to the IMS territory.
Except step s305a to the described L-CAAF-n of step s307a through sending USSD message to HSS obtains inquiry, L-CAAF-n can also directly send USSD message and arrive ICCF and inquire about its PSI address.One of method for routing that it is concrete can be: the USSD message that L-CAAF-n sends at first is routed to one to be had on the entity of distributing the USSD message function; Owing on this entity, be equipped with the address of user ICCF, therefore can specifically be routed to USSD message user's ICCF by this entity.The practical implementation process may further comprise the steps shown in Fig. 3 b:
Step s301b-s303b, user carry out the position in normal CS territory to be upgraded.
Step s304b, L-CAAF-n find that the user need notify ICCF the information that user CS territory is adhered to.
Step s305b, L-CAAF-n initiates USSD message, gets its PSI to ICCF, and USSD message is routed to the USSD gateway.
Step s306b, the USSD gateway is the ICCF of USSD forwards to the user.
Step s307b and step s308b, ICCF return the PSI of himself through USSD message.
Step s309b, L-CAAF-n utilize info message informing ICCF user to register in the CS territory.
Step s310b, ICCF replace the user to be registered to IMS.
The query messages that just sends with the user in the present embodiment is that unstructured supplementary data traffic USSD is an example, and L-CAAF-N can also use short text SMS in addition, inquiries such as Diameter message.
In the embodiment of the invention three, can utilize CAMEL to report VLR number, idiographic flow is as shown in Figure 4, may further comprise the steps:
Step s401-s403, user carry out the position in normal CS territory to be upgraded.
Step s404, VMSC utilize MAP-NOTE-MM-EVENT message among the CAMEL to VLR number of the current place of ICCF report of user.
Step s405, ICCF is according to the address of the VLR number structure L-CAAF-n that reports.Because VLR number (comprising PLMN (Public Land Mobile Network, public land mobile system) number) be globally unique, and L-CAAF-n be with VLR one to one, so ICCF must uniquely be addressed to a L-CAAF-n according to VLR number.Wherein, the method for ICCF addressing L-CAAF-n includes, but are not limited to following method; A kind of be ICCF according to VLR number, the address of URI of structure L-CAAF-n: such as " VLR number " modes such as " the PLMN signs at VLR place "; Another kind is the address at the ICCF configuration ICCF corresponding with VLR.
Step s406, ICCF sends to L-CAAF-n to the address of self through sip message, and in the sip message, except the address of ICCF, also possibly comprise the user is information such as ICS user, triggers L-CAAF-n with this and sends Register message.Wherein sip message can be Info or other appropriate message.
After step s407, L-CAAF-n have received the address of ICCF, send Register message to ICCF, notice ICCF, the user registers in the CS territory.Present embodiment is that Register message is example with what send just, and what L-CAAF-can send also possibly be Info message etc.
SCP in the present embodiment possibly close with ICCF and establish, and also possibly set up separately with ICCF, if close when establishing, the message of passing through inside between them is transmitted VLR number of reporting of user; Need transmit VLR number through the external interface between them if set up separately then.
In the embodiment of the invention four, it is as shown in Figure 5 that HSS issues the VLR method flow, may further comprise the steps:
Step s501, ICCF sends Subscribe message through the SH interface to HSS, VLR number of booking reader place.
Step s502-step s504, user carry out the position in normal CS territory to be upgraded.
Step s505, HSS send to ICCF to the current place of user VLR number according to the subscription of ICCF through the SH interface.
Step s506, ICCF is according to the address of the VLR number structure L-CAAF-n that receives.Because VLR number (comprising PLMN number) be globally unique, and L-CAAF-n be with VLR one to one, so ICCF must uniquely be addressed to a L-CAAF-n according to VLR number.Wherein, the method for ICCF addressing L-CAAF-n includes, but are not limited to following method: a kind of ICCF of being constructs the address of the URI of L-CAAF-n according to VLR number: such as " VLR number " modes such as " the PLMN signs at VLR place "; Another kind is the address at the ICCF configuration ICCF corresponding with VLR.
Step s507, ICCF sends to L-CAAF-n to the address of self through sip message, and this sip message can be Info etc.Sip message is except the address of ICCF, and also possibly comprise the user is information such as ICS user.
Step s508, the user makes a call to L-CAAF-n
Step s509, L-CAAF-n sends Invite message according to the address of the ICCF that obtains among Client-initiated calling and the step s507 to ICCF.Wherein L-CAAF-n is the call request message that sends with the address of having received ICCF and terminal, triggers L-CAAF-n and sends invite message.
In the present embodiment, ICCF at first judges is ICS user, just can carry out booking reader's VLR number operation.
In the embodiment of the invention five, structure ICCF address approach flow process is as shown in Figure 6, may further comprise the steps:
Step s601-step s603, user carry out the position in normal CS territory to be upgraded.
Step s604, the L-CAAF-n discovery needs the notice ICCF user registration in the CS territory, so the address of the ICCF of structuring user's.Wherein, the method that L-CAAF-n obtains the ICCF address comprises and is limited to following method: a kind of is the method for structure URI address, " user's HLR number+special user's number " modes such as " the PLMN signs of home domain "; Another kind is the address that has disposed user's ICCF at L-CAAF-n, does not then need structure, directly utilizes configured address to get final product.
Step s605, according to the address of the ICCF that constructs among the step s604, notice ICCF user registers in the CS territory, and this notification message can be an info message, also can be other suitable sip message.Also possibly carry the address information of L-CAAF-n in the message.
Step s604 and step s605 just will notify ICCF user to register example as in the CS territory with the L-CAAF-n perception in the step; In fact also possibly be the Register message that L-CAFF-n is initiated to ICCF; And when the user makes a call, be initiated to the invite message of ICCF etc.
The embodiment of the invention six iFC triggering method flow processs are as shown in Figure 7, may further comprise the steps:
Step s701-step s703, user carry out the position in normal CS territory to be upgraded.
Step s704, L-CAAF-n is according to user's IMSI or MSISDN structure sip message.The sip message of L-CAAF-n structure can be message such as Info.
Step s705, L-CAAF-n sends to S-CSCF to message.Also possibly carry the address information of L-CAAF-n in this message.
Step s706, S-CSCF triggers this message trigger to ICCF through iFC.
Step s708-step s709, ICCF returns the address information of oneself in response message.ICCF also can return the address message of self through a new sip message.
Step s710, L-CAAF-n replace the user to be registered to the IMS territory.
The embodiment of the invention also provides a kind of system that sets up the control incidence relation; Comprise the access adaptation unit; After being used for confirming that the user is ICS user; The address information of acquisition cuicuit CS territory controlled function entity, and notify said CS territory controlled function entity with user's CS domain information, said CS domain information comprises the address information of said access adaptation unit; CS territory controlled function entity is used to obtain the address information of said access adaptation unit, and is the address information that said access unit provides itself.
Wherein, The access adaptation unit is as shown in Figure 8; Specifically comprise: ICS user's judgment sub-unit 110, whether be ICS user, for example if being used for judges; First network entity obtains said user's CAMEL-Subscription-Information from MAP message, SH or Cx interface message, judges according to said CAMEL-Subscription-Information whether said user is ICS user; CS territory controlled function physical address obtains subelement 120, is connected with said ICS user's judgment sub-unit, be used for confirming that the user is ICS user after; The address information of acquisition cuicuit CS territory controlled function entity for example, is initiated USSD, SMS; Query messages such as Diameter are to HSS; Obtain the address information of user's second network entity, or directly send query messages, inquire about its PSI address to second network entity; The CS domain information sends subelement 130, obtains subelement 120 with said CS territory controlled function physical address and is connected, and is used for notifying said CS territory controlled function entity with user's CS domain information.
Said CS territory controlled function physical address obtains subelement 120 and specifically comprises: address module 121 is obtained in inquiry, is used to initiate query messages to HSS, obtains the address information of user's CS territory controlled function entity ICCF.
Structure obtains address module 122; Be used to insert adaptation unit and obtain one of following number at least: user's international mobile subscriber identity IMSI number, corresponding mobile station ISDN number Mobile Subscriber International ISDN Number, according to the address information of the CS territory controlled function entity of said number structuring user's ownership.
Wherein, CS territory controlled function entity is as shown in Figure 9, specifically comprises: insert the adaptation unit address and obtain subelement 210, be used to obtain the address information that inserts adaptation unit; A kind of mode is through obtaining the address of VLR number said first network entity of structure in the current place of user; Wherein, VLR number obtain manner comprises the message that receives said VLR transmission, VLR number of carrying the current place of user in the said message; Or the message of reception HSS transmission, VLR number of carrying the current place of user in the said message.CS territory controlled function physical address provides subelement 220, is used to said access unit the address information of itself is provided.
Said access adaptation unit address obtains subelement 210 and specifically comprises: insert adaptation unit address architecture module 211, be used for through obtaining the address of the VLR Visitor Location Register VLR number structure access in the current place of user adaptation unit; Insert adaptation unit address acquisition module 212, be used for directly obtaining the address from the message that inserts the adaptation unit transmission.
Through the embodiment of the invention, L-CAAF-n can know whether the user is ICS user through user's CAMEL-Subscription-Information, when the user is ICS user; Can obtain the address information of ICCF; And oneself address information sent to this ICCF, or ICCF at first obtains the address information of L-CAAF-n, is issued to L-CAAF-n in the address self then; Make L-CAAF-n and ICCF all know address each other like this, thereby between L-CAAF-n and ICCF, set up the control incidence relation.
Description through above execution mode; Those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform; Can certainly realize through hardware, but the former is better execution mode under a lot of situation.Based on such understanding; The part that technical scheme of the present invention contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product is stored in the storage medium; Comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
More than disclosedly be merely several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (3)
1. whether a definite user is ICS user's method, it is characterized in that, may further comprise the steps:
Insert the CAMEL-Subscription-Information that adaptation unit obtains the user;
Insert adaptation unit and from user's CAMEL-Subscription-Information, obtain the information that the user is ICS user.
2. confirm described in claim 1 that whether the user is ICS user's method, it is characterized in that, inserts adaptation unit obtains the user through MAP MAP message, SH or Cx interface message CAMEL-Subscription-Information.
3. confirm described in claim 2 whether the user is ICS user's method; It is characterized in that; When the passing through MAP message and obtain user's CAMEL-Subscription-Information of user; Through the SS-Code in MAP_Insert-Subscribe-Data or other fields that is fit to, increase new value, be used for showing that the user is ICS user;
Or in MAP_Insert-Subscribe-Data, increasing new field, to be used for identifying user be ICS user.
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