CN101232729A - Equipment, network and method for selecting CN transport operation business in MOCN network - Google Patents
Equipment, network and method for selecting CN transport operation business in MOCN network Download PDFInfo
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Abstract
The embodiment of the invention discloses a method for selecting a core network (CN) provider in a multi-provider core network, which comprises the steps of obtaining the subscriber information of a user terminal and accordingly selecting a target CN provider among a plurality of CN providers to provide services for the user terminal. The embodiment of the invention further discloses a multi-operator core network (MOCN) and network control equipment for achieving the selection of a CN provider in the multi-provider core network. The embodiment of the invention ensures balanced service among all the providers distributed by the network control equipment in the multi-provider core network.
Description
Technical field
The present invention relates to networking technology area, system of selection, network and the equipment of CN operator in especially a kind of MOCN network.
Background technology
3GPP (The 3rd Generation Partner Project, third generation partner program) in Rel ' 6 release protocol, stipulated MOCN (Multi-Operator Core Network, multi-operator core network) characteristic, allow a plurality of operators to share RAN (Radio Access Network, and carrier frequency, sub-district Access Network).With respect to other share of access network modes, the principal character of MOCN is at share of access network node such as RNC (Radio Network Controller, radio network controller), on the basis of NodeB (base station), carrier frequency and sub-district have also further been shared, make a plurality of operators can use public wireless network to provide service to separately home subscriber and signatory roamer, the UE (User Equipment, subscriber equipment) that promptly belongs to different operators can insert and obtain the service that particular operator provides in same sub-district.
In order to make that RNC is the correct selection CN of call request of UE, Rel ' 6 agreements have been done following enhancing:
At first, at MIB (Master Information Block, Master Information Block) increased MultiplePLMN List information (sign of operator is PLMN, wherein can broadcast 5 PLMN at most, and PLMN is made of Mobile Country Code MCC MCC and Mobile Network Code) in.When broadcasting the PLMN information of a plurality of operators by system message in the network of having enabled the MOCN function, support the UE (being supporting UE) of Rel ' 6 release protocol will resolve Multiple PLMN List and carry out PLMN and select.For MIB and the Multiple PLMN List IE (Information Element, cell) that wherein comprises, please refer to table 1 and table 2.
Table 1 Master Information Block Master Information Block
| Information Element/Group | Need | Multi | Type and reference | Semantics description | Version |
| name | |||||
| Other information elements | |||||
| MIB Value tag | MP | MIB Value tag 10.3.8.9 | |||
| CN information elements | |||||
| Supported PLMN types | MP | PLMN Type 10.3.1.12 | |||
| PLMN Identity | CV-GS M | PLMN Identity 10.3.1.11 | |||
| Multiple PLMNList | OP | Multiple PLMN List 10.3.1.7a | If present，this IE specifies the PLMNs of the cell.If absent， the IE PLMN Identity specifies the PLMN of the cell. | REL-6 | |
| ANSI-41 information elements | |||||
| ANSI-41Core Network Information | CV-ANS I-41 | ANSI-41Core Network Information 10.3.9.1 | |||
| References to other system information blocks and scheduling blocks | MP | References to other system information blocks and scheduling blocks 10.3.8.14 |
Table 2Multiple PLMN List information
| Information Element/Group name | Need | Multi | Type and reference | Semantics description | Version | |
| MIB PLMNIdentity | MP | Boolean | The PLMN identity IE 10.3.1.11， broadcasted in the MIB，shall be included in the multiple PLMN list if and only if this IE is TRUE. | REL-6 | ||
| | MP | 1 to 5 | REL-6 | |||
| ＞PLMN identity with Optional MCC | PLMN identity with Optional MCC 10.3.1.11a | REL-6 |
Secondly, in initial direct-sending message, increased PLMN identity information.Support the UE (being supporting UE) of Rel ' 6 release protocol sending initial direct-sending message when (being used for registration or professional foundation), meeting PLMN identity is set to the PLMN (by the decision of PLMN selection course) of its selection, and RNC is then based on the correct core net of this Information Selection.PLMN identity information in the initial direct-sending message is referring to table 3.
Table 3 initial direct-sending Initial Direct Transfer
| Information Element/Group name | Need | Multi | Type and reference | Semantics description | Version |
| Message Type | MP | Message Type | |||
| UE information elements | |||||
| Integrity check info | CH | Integrity check info 10.3.3.16 | |||
| PLMN identity | OP | PLMN identity 10.3.1.11 | This IE indicates the PLMN to which tge UE requests the signalling connection to be established. | REL-6 | |
| CN information elements | |||||
| CN domain identity | MP | CN domain identity 10.3.1.1 | |||
| Intra Domain NAS Node Selector | MP | Intra Domain NAS Node Selector 10.3.1.6 | |||
| NAS message | MP | NAS message 10.3.1.8 | |||
| START | OP | START 10.3.3.38 | START value to be used in the CN domain as indicated in thc IE ″CN domain identity″.This IE shall always be present in this version o the protocol. | ||
| Establishment cause | OP | Establishment cause 10.3.3.11 | Rel-5 | ||
| Measurementinformation elements | |||||
| Measured resuts on RACH | OP | Measured results onRACH 10.3.7.45 | |||
| MBMS joined information | OP | REL-6 | |||
| ＞P-TMSI | OP | P-TMSI (GSM-MAP) 10.3.1.13 | REL-6 |
At last, owing to have non-supporting UE in the network, it can't notify the PLMN of its selection of RNC in initial direct-sending message, thereby causes RNC can't determine select for it core net of that operator.In order to make Non-supporting UE select to provide for it core net of service, Rel ' 6 agreements have increased Redirect process (claiming Reroute again).Redirect process and CS/PS consistency (CS/PSCoordination) are handled and are carried out simultaneously, mainly comprise following several steps:
Step s101: when UE did not indicate the PLMN of its selection, RNC can't determine the target CN operator of initial UE message (Initial UE Message).In this case, RNC can need to select 1 target CN operator according to specific algorithm, and carries RedirectAttempt Flag IE in initial UE message, and indication CN need carry out the Redirect process.Referring to table 4, table 4.1.
Table 4 initial UE message Initial UE Message
| IE/Group Name | Presence | Range | IE type and reference | Semantics descriptio n | Criticality | Assigned Criticality |
| Message Type | M | 9.2.1.1 | YES | ignore | ||
| CN Domain Indicator | M | 9.2.1.5 | YES | ignore | ||
| LAI | M | 9.2.3.6 | YES | ignore | ||
| RAC | C-ifPS | 9.2.3.7 | YES | ignore | ||
| SAI | M | 9.2.3.9 | YES | ignore | ||
| NAS-PDU | M | 9.2.3.5 | YES | ignore | ||
| Iu Signalling Connection Identifier | M | 9.2.1.38 | YES | ignore | ||
| Global RNC-ID | M | 9.2.1.39 | YES | ignore | ||
| GERAN Classmark | O | 9.2.1.57 | YES | ignore | ||
| Selected PLMN Identity | O | 9.2.3.33 | YES | ignore | ||
| NAS Sequence Number | O | 9.2.3.34 | YES | ignore | ||
| Permanent NAS UE Identity | O | 9.2.3.1 | YES | ignore | ||
| Redirect Attempt Flag | O | 9.2.3.50 | YES | ignore |
Table 4.1Redirect Attempt Flag
| IE/Group Name | Presence | Range | IE type and reference | Semantics description |
| Redirect Attempt Flag | M | NULL |
Step s102: comprise Redirect Attempt FlagIE in initial UE message and the message when CN receives, then CN need do different processing according to following several situations:
1) handles (having the Gs interface between SGSN and the MSC Server) if Case1-accepts the request of UE and do not need RNC to carry out the CS/PS consistency, then CN carries Redirection Completed IE in descending direct transferring (Direct Transfer) message, NAS-PDU IE (NAS-PDU is a NAS message of accepting the LIE request in this case) is referring to table 5, table 5.2.
2) if Case2-does not accept the request of UE, then CN carries Redirection Indication IE, NAS-PDU IE (NAS-PDU is the NAS message of refusal UE request in this case) in descending direct-sending message.Should carry Initial NAS-PDU IE among the Redirection Indication IE (is the NAS message in the initial UE message received of CN, RNC gives another one CN operator or CN node with this NAS forwards), Reject Cause Value, and may carry Permanent NAS UEidentity is IMSI (International Mobile Subscriber Identity, international mobile subscriber identity).Referring to table 5, table 5.1.
3) handle (not having Gs interface) if Case3-accepts the request of UE and need RNC to carry out the CS/PS consistency, then CN carries Redirection Indication IE, NAS-PDU IE (NAS-PDU is a NAS message of accepting the UE request in this case) in descending direct-sending message.Should comprise Initial NAS-PDU, Reject Cause Value (value should be CS/PScoordination required), Permanent NAS UE identity (must carry) among the RedirectionIndication IE.Referring to table 5, table 5.1.
The table 5 Direct Transfer that direct transfers
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
| Message Type | M | 9.2.1.1 | YES | ignore | ||
| NAS-PDU | M | 9.2.3.5 | YES | ignore | ||
| LAI | O | 9.2.3.6 | YES | ignore | ||
| RAC | O | 9.2.3.7 | YES | ignore | ||
| SAI | O | 9.2.3.9 | YES | ignore | ||
| SAPI | O | 9.2.3.8 | YES | ignore | ||
| Redirection Indication | O | 9.2.3.36 | YES | ignore | ||
| Redirection Completed | O | 9.2.3.35 | YES | ignore |
Table 5.1 is redirected indication Redirection Indication
| IE/Group | Presence | Range | IE type and | Semantics | Critical | Assigned |
| Name | reference | description | -ity | Criticality | ||
| Redirection Indication | ||||||
| ＞initial NAS-PDU | M | 9.2.3.5 | The initial NAS-PDU received from UE | YES | ignore | |
| ＞Reject Cause Value | M | ENUMERATED( PLMN not allowed， location area not allowed， roammg not allowed in this location area， no suitable cell in location area， GPRS services not allowed in this PLMN， CS/PS coordination required， ...) | This IE lists cause values which meaning is defined in[8] with the exception of ″CS/PS coordination required″that will never be forwarded to the UE. | YES | ignore | |
| ＞NAS Sequence Number | O | 9.2.3.34 | YES | ignore | ||
| ＞Permanent NAS UE Identity | O | 9.2.3.1 | YES | ignore |
Table 5.2 is redirected finishes Redirection Complete
| IE/Group Name | Presence | Range | IE type and reference | Semantics description |
| Redirection Completed | M | ENUMERATED (redirection completed，...) |
Step s103: 3 kinds of situations among the corresponding step s102, RNC does different disposal:
1) Case1-RNC directly is transmitted to UE with the NAS-PDU that CN carries in descending direct-sending message, and the Redirect process finishes.
2) Case2-RNC proceeds the Redirect processing according to the different Reject Cause Value among the Redirection Indication IE, may select another CN node of this CN operator, also may be to select another CN operator.If can't continue to carry out Redirect, then NAS-PDU (refusal) is transmitted to UE, the Redirect process finishes.
3) Case3-RNC at first should carry out the CS/PS consistency and handle (how handling, the 3GPP agreement is stipulated), and continues to carry out Redirect and handle.
The inventor finds that there is following shortcoming at least in prior art in realizing process of the present invention:
Rel ' is though 6MOCN relevant criterion protocol procedures can be finished Redirect and the CS/PS consistency is handled, but it is smudgy on the processing details, may cause a plurality of CN operator core network load seriously uneven, part CN benefits of operators in a plurality of CN operator of Access Network has been shared in infringement.
Such as, for the calling that Non-supporting UE initiates, RNC must carry out the Redirect process.Owing to do not select the behavior of operator to stipulate to RNC in the agreement at present, RNC may select operator in certain fixing mode, promptly selects A earlier, and B is selected in the refusal back, selects C at last.Under this mode, if enter users a large amount of and all operation commercial cities signing roaming agreements of this MOCN network, the core net overload that will cause certain operator (as the A of operator), not only there is the possibility that causes the A of operator core net overload, also damaged the interests of other operators such as the B of operator, C simultaneously.
Summary of the invention
Embodiments of the invention provide system of selection, network and the equipment of CN operator in a kind of MOCN network, are used for realizing the equilibrium of traffic carrying capacity between MOCN network different operators.
Embodiments of the invention provide the system of selection of CN operator in a kind of MOCN network on the one hand, may further comprise the steps:
Obtain the CAMEL-Subscription-Information of user terminal;
According to the CAMEL-Subscription-Information of described user terminal, from a plurality of CN operator, select a target CN operator to provide service for described user terminal.
Embodiments of the invention also provide a kind of net control device on the one hand, comprising:
Information acquisition unit is used to obtain the CAMEL-Subscription-Information of user terminal;
Selected cell is used for the CAMEL-Subscription-Information of the user terminal that obtains according to described information acquisition unit, selects a target CN operator to provide service for described user terminal from a plurality of CN operator.
Embodiments of the invention also provide a kind of multi-operator core network MOCN network on the one hand, comprising: net control device and a plurality of core net CN; Wherein,
Described core net CN is used to user terminal that service is provided;
Described net control device is used to obtain the CAMEL-Subscription-Information of described user terminal, and according to described CAMEL-Subscription-Information, selects a CN to provide service for user terminal from described a plurality of CN.
The embodiment of the invention is carried out the selection of CN operator by obtaining the CAMEL-Subscription-Information of user terminal according to the CAMEL-Subscription-Information of user terminal, thereby guarantees in the MOCN network, and the business that network controls equipment is distributed between all operators is balanced.
Description of drawings
Fig. 1 is the structural representation of MOCN network in the embodiment of the invention;
Fig. 2 is the schematic diagram of IMSI in the embodiment of the invention;
Fig. 3 is the system of selection flow chart of CN operator in the MOCN network in the embodiment of the invention;
Fig. 4 A to Fig. 4 F is a schematic diagram of selecting CN operator in the embodiment of the invention with polling mode;
Fig. 5 is the structural representation of net control device in the embodiment of the invention.
Embodiment
MOCN schematic network structure in the present embodiment as shown in Figure 1, the Node B that wherein RNC controlled does not show.The MOCN technology relates to following important notion:
Conventional network-legacy network.Only have 1 operator to provide professional to its user in this network, the user of other operators roams in this network by (national/international) and obtains service.
The public PLMN of Common PLMN-(Public Land Mobile Network, PLMN).In shared network (non-traditional network), use the PLMN-Id information of the mode the same, just the Serving operator that non-supporting UE is understood in the shared network to user's indication with legacy network.
Non-supporting UE-is the shared UE of network enabled not.In the shared network that MOCN refers in particular to, RNC is by the extra PLMN information of system message broadcasting, and the UE that the network of not supporting MOCN and being refered in particular to is shared can't resolve extra PLMN information.
Though objectively have Shared network and Conventional network, in fact non-supporting UE can only see Conventional network.
The UE that Supporting UE-network enabled is shared.Except non-supporting UE, the remaining supporting UE that is.The extra PLMN information (Multiple-PLMN list IE in MIB) of Supporting UE in can resolution system message also can be notified the PLMN of its selection of RNC in initial direct-sending message.
Core Network Operator-CN operator.Be corresponding mutually between CN operator and the PLMN-Id, so do not need strictly to distinguish CN operator or PLMN-Id sometimes.
The system of selection of CN operator in a kind of MOCN network is provided in the embodiments of the invention.Consider that the CS/PS consistency guarantee to be exactly to accept under the situation of request of UE in CN operator, avoid by the CS territory of different CN operator, the PS territory is respectively same UE that service is provided, and promptly guarantees to appoint same UE to obtain CS territory and the service of PS territory from same CN operator.When network controls equipment is carried out the processing of CS/PS consistency, because a plurality of CN operations commercial city may allow to insert, therefore can carry out the CS/PS consistency based on the information that can both obtain in and arbitrary calling procedure irrelevant with the CN territory handles, the identification information of UE for example, in the present embodiment, can select IMSI (International Mobile Subscriber Identity, international mobile subscriber identity) to carry out the CS/PS consistency selects.
The formation of IMSI as shown in Figure 2.IMSI is become by 15 10 system arrays, mainly comprise 2 parts: a part is PLMN-Id, PLMN-Id comprises MCC (Mobile Country Code, mobile subscriber's country code) and MNC (Mobile Network Code, mobile subscriber's affiliated PLMN net code) again); Another part is MSIN (Mobile Subscriber Identity Number, a mobile identification number); Wherein PLMN-Id is 5 or 6 10 system numeral compositions, and MSIN is by 10 or 9 10 system arrays one-tenth.
Carry out the conforming processing of CS/PS as shown in Figure 3 in the present embodiment, comprise following several steps:
Step s301, judge whether to obtain the IMSI of user terminal UE.Be then to change step s302, otherwise change step s307.
RNC can obtain IMSI number by the Redirect process.When RNC selects certain CN operator and carry Redirect Attempt Flag in initial UE message (indication CN need carry out the Redirect process), CN receives and comprises " Redirect Attempt Flag " IE in initial operation message and this message, if accept request and need RNC to carry out the CS/PS consistency to handle (not having Gs interface), then CN will carry IMSI in the Redirection of direct-sending message Indication IE when sending descending direct-sending message.RNC thereby obtained IMSI number.
Step s302, obtain the PLMN-Id of user terminal UE.
The MNC of some PLMN-Id is made of 2 numerals, and some MNC is made of 3 numerals, owing to can know the figure place of MNC under the set situation of MCC.RNC thereby obtained PLMN-Id.
Step s303, analyze the CAMEL-Subscription-Information of UE, the PLMN-Id with arbitrary operator of RNC is identical to judge PLMN-Id.Be then to change step s304, otherwise change step s305.During for arbitrary user terminal UE select target CN operator, the home-operator that this CN operator must be this user (PLMN-Id of this CN operator is identical with PLMN-Id among the IMSI) or this CN operator and this user's the home-operator roaming agreement of having contracted.For the roamer in the MOCN network, its home-operator may with a plurality of CN operator that the serves RNC roaming agreement of having contracted.CAMEL-Subscription-Information is analyzed, promptly be to analyze whether the specific user is the home subscriber of certain CN operator, or with those CN operators roaming agreement of having contracted.
If the PLMN-Id of the PLMN-Id that step s304 gets access to and the CN operator that serves RNC identical (different CN operators distributes different PLMN-Id), when determining that the user is the local user of this CN operator, this CN operator is this local user's a home-operator, for the local user, directly select this user's home-operator to be the targeted carrier.If promptly analysis finds that certain user is the local user through CAMEL-Subscription-Information, then target CN operator is this user's a home-operator, end operation.
Whether step s305, obtain the roaming CAMEL-Subscription-Information, judging has available carriers.If the PLMN-Id that gets access to is all inequality with the PLMN-Id of all CN operators that serve RNC, then this user is the roamer.For the roamer, RNC need roam the analysis of signatory agreement, obtain and contracted all CN operators of roaming agreement of this user's home-operator, the operator of these roaming agreements of having contracted and can provide service for the roamer in the adjustable operator of this RNC is herein referred to as available CN operator.In order to support the analysis of roaming agreement, RNC need store necessary roaming CAMEL-Subscription-Information in advance, be at least with current shared the relevant roaming CAMEL-Subscription-Information of CN operator of RNC.Generally, all can obtain the available CN operator of user terminal, change step s306 in the time of can obtaining available CN operator, otherwise change step s307.
Step s306, available CN operator is carried out hash handle, determine target CN operator.If find that through the CAMEL-Subscription-Information analysis certain user be the roamer, and there is a plurality of available CN operator, then uses the MSIN among the IMSI that all available CN operators are carried out the hash processing.Such as, all available CN operators are designated k
i(i=0,1,2..N-1, N are the number of available CN operator), and order: m=MSINmod N (m=0,1 ... N-1).And then selection km is this roamer's target CN operator, end operation.
Professional method is determined the targeted carrier between step s307, the balanced CN of the employing operator.(UE does not notify the CN operator of its selection of RNC, and simultaneously RNC does not obtain the IMSI of UE again and can't obtain available CN operator by roaming agreement under the situation that can't determine target CN operator.In this case, RNC can't determine available target CN operator; For example: attempt the first time of non-supporting UE), RNC carries out the CN operator selection first time between all CN operators of its connection, or during follow-up selections of after carrying out for the first time attempting, between remaining CN operator, carrying out, need the harmony of assurance selection.Simultaneously, guaranteeing also can to use other concrete technical schemes such as poll or random number to determine target CN operator under the professional balanced precondition, wherein the implementation of poll is as described below:
Poll is used as follows in the present embodiment: RNC will safeguard 1 cycle counter, no matter select the first time that is same user, for the second time until last selection, still the CN operator of different user is selected, as long as the selected mistake of certain CN operator 1 time, pointer (indicate following 1 time with selecteed CN operator) moves 1 time, the operator to be moved that different pointers is corresponding different, pointer is shown in the arrow among the figure, RNC waits to move the user service flow amount that operator's mean allocation can't determine to move operator by cycle counter to each, avoided the business accumulation of single operator, after a week is circulated in the operator to be moved in this cycle counter, carry out new circulation again.Shown in following Fig. 4 A～Fig. 4 F, with same user or different user ordering visit is that example describes: in Fig. 4 A, user's 1 appointment is CN operator 1 during initial condition, user 1 carries out selecting the first time back as Fig. 4 B, this user's appointment be that CN operator is 2, operator's 3 correspondences of Fig. 4 C appointment be to select user 1 for the second time, as different user 2 (Fig. 4 D), user 3 (Fig. 4 E), user 2 (Fig. 4 D) when visiting RNC one by one, the CN operator of appointment is also corresponding to change according to pointer, is respectively CN operator 4,5,6.
When guaranteeing professional equilibrium, except using the mode of poll, also can use other concrete technical methods, such as using random number or the like.Here just no longer be described in detail.
In above-mentioned steps s304 and step s306, under the situation of determining home-operator or available CN operator, depend on the result that the CS/PS consistency handles and select.According to the argumentation of front as can be known, in CS/PS consistency processing procedure, guarantee that same user terminal obtains CS territory or the service of PS territory from same CN operator, thereby can not cause the core net overload of certain operator, guaranteed harmony.
Professional equilibrium treatment between many CN operator is primarily aimed at needs to adopt professional method between the balanced CN operator to determine the situation of target CN operator among the step s307, UE does not indicate the PLMN of its selection to RNC, and RNC also can't obtain user's IMSI simultaneously.In order to reach between many CN operator professional balanced purpose, can use multiple concrete technical method, for example the mode by poll has realized professional balanced between a plurality of CN operator.
Embodiments of the invention also provide a kind of net control device, and this net control device can be applied to the selection of CN operator in the MOCN network, and its structure comprises as shown in Figure 5:
Roaming information memory cell 30 is used to store each CN operator roaming CAMEL-Subscription-Information, and offers described selected cell 20.
Judgment sub-unit 21 is used for the CAMEL-Subscription-Information according to described user terminal, judges that described user terminal still is the roamer for the local user;
The first chooser unit 22 is used for selecting the CN operator of described user terminal correspondence to provide service for described user terminal when described user terminal is the local user;
The second chooser unit 23, be used for when described user terminal is the roamer, from roaming information memory cell 30, obtain all CN operators that signed roaming agreement with described roamer's home-operator, from described all CN operators that signed roaming agreement, select specific CN operator to provide service for described user terminal.
The 3rd chooser unit 24, the CAMEL-Subscription-Information that is used for according to described user terminal can't obtain in the time of can providing the CN operator of service for described user terminal, adopt method professional between the balanced CN operator, from a plurality of CN operator, select specific CN operator to provide service for described user terminal.
By embodiment provided by the invention, to carry out the selection of target CN operator according to the CAMEL-Subscription-Information of user terminal, thereby guarantee in the MOCN network, the business that network controls equipment is distributed between all operators is balanced.
Embodiments of the invention also provide a kind of multi-operator core network MOCN network (can with reference to system shown in Figure 1), comprising: net control device and a plurality of core net CN; Wherein,
Described core net CN is used to user terminal that service is provided;
Described net control device is used to obtain the CAMEL-Subscription-Information of described user terminal, and according to described CAMEL-Subscription-Information, selects a CN to provide service for user terminal from described a plurality of CN.
As Fig. 5, wherein said net control device further comprises: information acquisition unit 10 is used to obtain the CAMEL-Subscription-Information of user terminal; Selected cell 20 is used for the CAMEL-Subscription-Information of the user terminal that obtains according to described information acquisition unit 10, selects a target CN operator to provide service for described user terminal from a plurality of CN operator; Roaming information memory cell 30 is used to store each CN operator roaming CAMEL-Subscription-Information, and offers the described second chooser unit 23.
Wherein said selected cell further comprises: judgment sub-unit 21, be used for CAMEL-Subscription-Information according to described user terminal, and judge that described user terminal still is the roamer for the local user; The first chooser unit 22 is used for selecting the ownership CN operator of described user terminal correspondence to provide service for described user terminal when described user terminal is the local user; The second chooser unit 23, be used for when described user terminal is the roamer, obtain the available CN operator that has signed roaming agreement with described roamer's home-operator, from the described available CN operator that has signed roaming agreement, select a target CN operator to provide service for described user terminal; The 3rd chooser unit 24, the CAMEL-Subscription-Information that is used for according to described user terminal can't obtain in the time of can providing the CN operator of service for described user terminal, adopt method professional between the balanced CN operator, from a plurality of CN operator, select a target CN operator to provide service for described user terminal.
Through the above description of the embodiments, 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 pass 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 embody with the form of software product, this computer software product is stored in the storage medium, comprises that some instructions are used so that an equipment is carried out the described method of each embodiment of the present invention.
More than disclosed only be 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 (16)
1. the system of selection of core net CN operator in the multi-operator core network MOCN network is characterized in that, comprising:
Obtain the CAMEL-Subscription-Information of user terminal;
According to the CAMEL-Subscription-Information of described user terminal, from a plurality of CN operator, select a target CN operator to provide service for described user terminal.
2. the system of selection of CN operator in the MOCN network according to claim 1, it is characterized in that, the CAMEL-Subscription-Information of described user terminal comprises the international mobile subscriber identity IMSI of user terminal, comprises the PLMN PLMN-Id of described user terminal ownership among the described IMSI.
3. method as claimed in claim 2 is characterized in that, also comprises: the described different corresponding different CN operator of PLMN-Id.
4. method as claimed in claim 2 is characterized in that, the described CAMEL-Subscription-Information that obtains user terminal comprises:
Obtain national mobile user identification IMSI number by the Redirect process, from described IMSI number, obtain described PLMN-Id.
5. as the system of selection of CN operator in the MOCN network as described in the claim 2, it is characterized in that described information according to user terminal selects a target CN operator specifically to comprise for described user terminal provides service from a plurality of CN operator:
When the PLMN-Id of the PLMN-Id of described user terminal and a local CN operator is identical, judge that described user terminal is the local user of described CN operator, described CN operator is described local user's a home-operator, selects described CN operator to provide service for described user terminal.
6. as the system of selection of CN operator in the MOCN network as described in the claim 2, it is characterized in that described information according to user terminal selects a target CN operator specifically to comprise for described user terminal provides service from a plurality of CN operator:
When the PLMN-Id of the PLMN-Id of described user terminal and local CN operator is all inequality, determine that described user terminal is the roamer, obtain the available CN operator that has signed roaming agreement with described roamer's home-operator, from the described available CN operator that has signed roaming agreement, select a target CN operator to provide service for described user terminal.
7. as the system of selection of CN operator in the MOCN network as described in the claim 6, it is characterized in that the described method of having signed the available CN operator of roaming agreement with described roamer's home-operator of obtaining is specially:
According to the roaming CAMEL-Subscription-Information that store in advance this locality, obtain the available CN operator that has signed roaming agreement with described roamer's home-operator.
8. as the system of selection of CN operator in the MOCN network as described in the claim 6, it is characterized in that, describedly from all CN operators that signed roaming agreement, select a target CN operator to be specially for described user terminal provides service method:
According to the mobile identification number MSIN among the IMSI of described user terminal, carry out hash after available CN operator sorted and handle, obtain a target CN operator and provide service for described user terminal.
9. the system of selection of CN operator in the MOCN network according to claim 1, it is characterized in that, determine not exist can provide the CN operator of service for described user terminal the time according to the CAMEL-Subscription-Information of described user terminal, describedly from a plurality of CN operator, select a target CN operator to be specially for described user terminal provides service:
Adopt method professional between the balanced CN operator, from a plurality of CN operator, select a target CN operator to provide service for described user terminal.
10. method as claimed in claim 9 is characterized in that, method professional between the balanced CN of the described employing operator comprises:
By the method for poll or random number, from a plurality of CN operator, select a target CN operator to provide service for described user terminal.
11. a net control device is characterized in that, comprising:
Information acquisition unit is used to obtain the CAMEL-Subscription-Information of user terminal;
Selected cell is used for the CAMEL-Subscription-Information of the user terminal that obtains according to described information acquisition unit, selects a target CN operator to provide service for described user terminal from a plurality of CN operator.
12., it is characterized in that described selected cell further comprises as net control device as described in the claim 11:
Judgment sub-unit is used for the CAMEL-Subscription-Information according to described user terminal, judges that described user terminal still is the roamer for the local user;
The first chooser unit is used for selecting the ownership CN operator of described user terminal correspondence to provide service for described user terminal when described user terminal is the local user;
The second chooser unit, be used for when described user terminal is the roamer, obtain the available CN operator that has signed roaming agreement with described roamer's home-operator, from the described available CN operator that has signed roaming agreement, select a target CN operator to provide service for described user terminal.
13. as net control device as described in the claim 12, it is characterized in that, also comprise:
The roaming information memory cell is used to store each CN operator roaming CAMEL-Subscription-Information, and offers the described second chooser unit.
14., it is characterized in that described selected cell also comprises as net control device as described in the claim 12:
The 3rd chooser unit, the CAMEL-Subscription-Information that is used for according to described user terminal can't obtain in the time of can providing the CN operator of service for described user terminal, adopt method professional between the balanced CN operator, from a plurality of CN operator, select a target CN operator to provide service for described user terminal.
15. a multi-operator core network MOCN network is characterized in that, comprising: net control device and a plurality of core net CN;
Described core net CN is used to user terminal that service is provided;
Described net control device is used to obtain the CAMEL-Subscription-Information of described user terminal, and according to described CAMEL-Subscription-Information, selects a CN to provide service for user terminal from described a plurality of CN.
16. MOCN network as claimed in claim 15 is characterized in that, described net control device further comprises:
Information acquisition unit is used to obtain the CAMEL-Subscription-Information of user terminal;
Selected cell is used for the CAMEL-Subscription-Information of the user terminal that obtains according to described information acquisition unit, selects a target CN operator to provide service for described user terminal from a plurality of CN operator;
The roaming information memory cell is used to store each CN operator roaming CAMEL-Subscription-Information, and offers the described second chooser unit.
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| CN200810007270XA CN101232729B (en) | 2008-02-21 | 2008-02-21 | Equipment, network and method for selecting CN transport operation business in MOCN network |
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