CN104837183A - PLMN selection method of PS domain and CS domain, and device - Google Patents
PLMN selection method of PS domain and CS domain, and device Download PDFInfo
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Abstract
The invention provides a PLMN selection method of a PS domain and a CS domain, and a device. The selection method comprises obtaining first PLMN information registered in the PS domain or second PLMN information registered in the CS domain through first core-network network elements, and selecting a first PLMN registered in the CS domain for user equipment through the first core-network network elements according to the first PLMN information, or selecting a second PLMN registered in the PS domain for the user equipment through the first core-network network elements according to the second PLMN information. Through adoption of the technical scheme provided by the invention, the technical problems that an existing PLMN selecting scheme may result in different PLMNs selected by the CS domain and the PS domain and then telephone charge differences are generated or terminal displayed operator names are different in the prior art are solved, the fact that the CS domain and the PS domain select the same PLMN can be guaranteed, the telephone charge differences and terminal displayed operator name differences are prevented, and user experience is improved.
Description
Technical field
The present invention relates to the communications field, especially a kind of packet switching (Packet Switched is related to, referred to as PS) territory and circuit switching (Circuit Switched, referred to as CS) public land mobile network (Public Land Mobile Network, referred to as the PLMN) system of selection in territory.
Background technology
In third generation partner program (3rd Generation Partnership Project, referred to as the 3GPP) network of current deployment, comprise the following network equipment, as shown in Figure 1.
Subscriber equipment (User Equipment, referred to as UE) have and can access global system for mobile communications wireless access network (Universal Mobile Telecommunication System Radio Access Network/GSM EDGE Radio AccessNetwork, referred to as UTRAN/GERAN) ability, in addition UE can also possess the ability of access Long Term Evolution (Long TermEvolution, referred to as LTE) two kinds of wireless networks.When UE is from GERAN/UTRAN access network, CS territory or PS territory can be accessed.Mobile switching centre (Mobile Switching Center, referred to as MSC) is accessed in so-called CS territory namely; So-called PS territory, i.e. access service wireless traffic (General Packet Radio Service, referred to as GPRS) support node (Serving GPRS Supporting Node, referred to as SGSN).Can UE access two territories simultaneously, relevant to the ability of UE and the ability of network.In GERAN/UTRAN, respectively by base station controller (Base Station Controller, referred to as BSC) or radio network controller (Radio Network Controller, referred to as RNC), be responsible for the wireless activity of control and management user.
The core network element in CS territory comprises: MSC and VLR Visitor Location Register (Visitor Location Register, referred to as VLR), MSC and VLR is physically generally combined, and is in charge of positional information and the call proceeding of user.Gateway MSC (Gateway Mobile Switching Center, referred to as GMSC) is set to the MSC routing the call to user place.When there being the calling to mobile subscriber, GMSC is by attaching position register (Home Location Register, referred to as HLR) obtain the mobile station roaming number (Mobile Subscriber Roaming Number, referred to as MSRN) of user, then according to MSRN routing call.
PS domain core net has general packet SGSN, it is the control network element of GPRS network, Main Function is the positional information of record UE, and at UE and GGSN (Gateway GPRS Supporting Node, referred to as GGSN) between or at UE and gateway (Serving Gateway, referred to as S-GW) complete transmission and the reception of mobile packet data between/packet data gateway (Packet DataNetwork Gateway, referred to as P-GW).
MSC/VLR and SGSN needs to be connected to HLR or home subscriber server (Home Subscriber Server, referred to as HSS), and this network element preserves the CAMEL-Subscription-Information of user and the address of VLR.In called calling, HLR/HSS can obtain the MSRN of user from VLR.As shown in Figure 1, HLR and HSS is served as by a physical NE.
Operator is in actual deployment network, and in order to investment reduction cost can adopt the mode setting up shared network, shared network has two kinds of patterns of building together, respectively as shown in Figures 2 and 3:
In the network shown in Fig. 2, the network of operator is all built together, and comprises wireless network and core net control network element (MSC and SGSN).In the network shown in Fig. 3, the mode that operator only adopts wireless network to build together, the control network element of core net is still separately built.
If subscriber equipment accesses above-mentioned shared network, and subscriber equipment is supported in selection one in many PLMN, then network is according to the selection of subscriber equipment, for it determines PLMN.And for some conventional terminal, namely not possessing the terminal of PLMN selective power, BSS/RNC can only be the PLMN of terminal selection acquiescence.When user accesses CS territory and PS territory simultaneously time, in order to avoid producing the difference of telephone expenses difference or terminal demonstration operator name, therefore wish that the PLMN that CS territory and PS territory are selected is consistent.
But when user is switched to the GERAN/UTRAN supporting shared network from other BSS/RNC, the PLMN of Target cell is selected by source wireless side network element.In time PS occurring and switches, and time objective network does not support that PS and CS carries out business simultaneously, the registration in CS territory needs to perform after PS has switched.Namely when user is switched to after objective network completes PS business, the registration in CS territory just can be performed.This is selected by source wireless side network element with regard to causing the PLMN in PS territory, and the PLMN in CS territory is selected by Target Wireless side network element.Therefore CS territory may be caused different with the PLMN selected by PS territory, thus produce the difference of telephone expenses difference or terminal demonstration operator name.
Summary of the invention
For in correlation technique, existing PLMN selection scheme likely causes the not equal technical problem of CS territory and the PLMN selected by PS territory, the invention provides PLMN system of selection and the device in a kind of PS territory and CS territory, at least to solve the problem.
In order to achieve the above object, according to an aspect of the present invention, provide the public land mobile network PLMN system of selection of a kind of packet switched ps domain and circuit-switched CS domain, comprise: the first core network element obtains the PLMN information in the registration of PS territory, or the 2nd PLMN information registered in CS territory; Described first core network element is the PLMN that subscriber equipment selects in the registration of CS territory according to a described PLMN information, or is the 2nd PLMN that described subscriber equipment selects in the registration of PS territory according to described 2nd PLMN information.
Preferably, the first core network element obtains the PLMN information in the registration of PS territory, or the 2nd PLMN information registered in CS territory, comprising: described first core network element sends position updating request to attaching position register; Described first core network element receives the response message inserting subscriber data message and described position updating request; Described first core network element obtains a described PLMN information or described 2nd PLMN information from described response message or described insertion subscriber data message.
Preferably, the first core network element obtains the PLMN information in the registration of PS territory, or the 2nd PLMN information registered in CS territory, comprising: described first core network element sends authorization data request to attaching position register; The authorization data that described first core network element receives from described attaching position register responds; Described first core network element obtains a described PLMN information or described 2nd PLMN information from described authorization data response.
Preferably, before described first core network element sends position updating request to attaching position register, comprise: described first core network element be moving exchanging center MSC or VLR Visitor Location Register VLR time, described attaching position register receives the position updating request from GPRS serving GPRS support node SGSN, wherein, a described PLMN information is carried in described position updating request; When described first core network element is SGSN, described attaching position register receives the position updating request from MSC or VLR, wherein, carries described 2nd PLMN information in described position updating request.
Preferably, before described first core network element sends authorization data request to attaching position register, comprise: described first core network element be moving exchanging center MSC or VLR Visitor Location Register VLR time, described attaching position register receives the authorization data request from GPRS serving GPRS support node SGSN, wherein, a described PLMN information is carried in described authorization data request; When described first core network element is SGSN, described attaching position register receives the authorization data request from MSC or VLR, wherein, carries described 2nd PLMN information in described authorization data request.
Preferably, described first core network element comprises to attaching position register transmission position updating request: described first core network element, when each user accesses, all sends described position updating request to described attaching position register; Or when user accesses the first core network element from base station sub-system BSS or radio network controller (RNC), described first core network element receives the first notification message from described BSS or described RNC; Wherein, in described first notification message, indicate described BSS or described RNC not perform collaborative selection PLMN to PS territory and CS territory, described first core network element sends described position updating request to described attaching position register.
Preferably, described first core network element comprises to the request of attaching position register transmission authorization data: described first core network element, when each user accesses, all sends described authorization data request to described attaching position register; Or when user accesses the first core network element from base station sub-system BSS or radio network controller (RNC), described first core network element receives the 4th notification message from described BSS or described RNC; Wherein, in described 4th notification message, indicate described BSS or described RNC not perform collaborative selection PLMN to PS territory and CS territory, described first core network element sends described authorization data request to described attaching position register.
Preferably, first core network element obtains the PLMN information in the registration of PS territory, or CS territory registration the 2nd PLMN information, comprise: detect that described subscriber equipment changes at the PLMN of PS territory or the registration of CS territory at attaching position register, or when the PLMN of PLMN with the PS territory registration that the described subscriber equipment stored is registered in CS territory is different, described first core network element receives the second notification message from described attaching position register, wherein, a described PLMN information or described 2nd PLMN information is carried in described second notification message.
Preferably, described first core network element is the PLMN that subscriber equipment selects in the registration of CS territory according to a described PLMN information, or is that described subscriber equipment is selected, at the 2nd PLMN of PS territory registration, to comprise according to described 2nd PLMN information:
Judge whether described first core network element supports a described PLMN or described 2nd PLMN;
If support a described PLMN or described 2nd PLMN, then using a described PLMN or described 2nd PLMN as final selection result;
If do not support a described PLMN or described 2nd PLMN, location updating LAU flow process is redirected in same CS territory or PS territory the second core network element supporting a described PLMN or described 2nd PLMN by described first core network element; By described second core network element be described subscriber equipment select a described PLMN or described 2nd PLMN.
Preferably, location updating LAU flow process is redirected in same CS territory or PS territory the second core network element supporting a described PLMN or described 2nd PLMN by described first core network element, comprise: BSS or RNC that described first core network element accesses to user sends third notice message, wherein, carry a described PLMN information or described 2nd PLMN information in described third notice message, a described PLMN information of carrying in described third notice message or described 2nd PLMN information are for selecting described second core network element for described BSS or RNC.
Preferably, a described PLMN information and described 2nd PLMN information include one of following: for representing the SGSN number of described subscriber equipment place PLMN, MSC number or VLR number, PLMN number.
In order to achieve the above object, according to another aspect of the present invention, additionally provide the public land mobile network PLMN choice device of a kind of packet switched ps domain and circuit-switched CS domain, be applied to core network element, comprise: acquisition module, for obtaining the PLMN information in the registration of PS territory, or the 2nd PLMN information registered in CS territory; Selecting module, for being the PLMN that subscriber equipment selects in the registration of CS territory, or is the 2nd PLMN that described subscriber equipment selects in the registration of PS territory according to described 2nd PLMN information according to a described PLMN information.
Preferably, described acquisition module, comprising: transmitting element, for sending position updating request to attaching position register; First receiving element, for receiving the response message of described position updating request and inserting subscriber data message; Acquiring unit, for obtaining a described PLMN information or described 2nd PLMN information from described response message or described insertion subscriber data message.
Preferably, described transmitting element, also for sending authorization data request to attaching position register; Described first receiving element, also for receiving the authorization data response that described attaching position register returns according to described authorization data request; Described acquiring unit, also for obtaining a described PLMN information or described 2nd PLMN information from described authorization data response.
Preferably, described acquisition module comprises: the second receiving element, for detecting that at attaching position register described subscriber equipment changes at the PLMN of PS territory or the registration of CS territory, or when the PLMN of PLMN with the PS territory registration that the described subscriber equipment stored is registered in CS territory is different, receive the second notification message from described attaching position register, wherein, a described PLMN information or described 2nd PLMN information is carried in described second notification message.
Pass through the present invention, the technological means of the PLMN adopting the first core network element to register in PS territory or CS territory as subscriber equipment selection according to a PLMN information or the 2nd PLMN information according to the PLMN information registered in PS territory obtained or the 2nd PLMN information registered in CS territory, solve in correlation technique, existing PLMN selection scheme likely causes CS territory different with the PLMN selected by PS territory, and then produce telephone expenses difference or the different technical problem of terminal demonstration operator name, thus can ensure that same PLMN is chosen in CS territory and PS territory, avoid the difference of telephone expenses difference or terminal demonstration operator name, improve Consumer's Experience.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the 3GPP network architecture diagram according to correlation technique;
Fig. 2 is the schematic diagram shared according to core net and the wireless network of correlation technique;
Fig. 3 is the schematic diagram only sharing wireless network according to correlation technique;
Fig. 4 is the flow chart according to the PS territory of the embodiment of the present invention and the PLMN system of selection in CS territory;
Fig. 5 is according to the schematic flow sheet of the PS territory of the embodiment of the present invention 1 and the PLMN system of selection in CS territory;
Fig. 6 is according to the schematic flow sheet of the PS territory of the embodiment of the present invention 2 and the PLMN system of selection in CS territory;
Fig. 7 is the structured flowchart according to the PS territory of the embodiment of the present invention and the PLMN choice device in CS territory;
Fig. 8 is another structured flowchart according to the PS territory of the embodiment of the present invention and the PLMN choice device in CS territory.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Fig. 4 is the flow chart according to the PS territory of the embodiment of the present invention and the PLMN system of selection in CS territory.As shown in Figure 4, the method comprising the steps of S402-S404:
Step S402, the first core network element obtains the PLMN information in the registration of PS territory, or the 2nd PLMN information registered in CS territory;
Step S404, the first core network element is the PLMN that subscriber equipment selects in the registration of CS territory according to a PLMN information, or is the 2nd PLMN that subscriber equipment selects in the registration of PS territory according to the 2nd PLMN information.
By above-mentioned treatment step, due to can according to a PLMN in a PLMN Information Selection CS territory in PS territory or, according to the 2nd PLMN in the 2nd PLMN Information Selection PS territory in CS territory, therefore, PS territory can be avoided different with the PLMN that CS territory is selected, ensure that same PLMN is chosen in CS territory and PS territory.
The implementation of step S402 has multiple, and such as can arrange a network element (this network element is known and stored an above-mentioned PLMN information or the 2nd PLMN information), the first core network element obtains from this network element.In a preferred implementation of the present embodiment, a PLMN information or the 2nd PLMN information can be obtained in the following manner: the first core network element sends position updating request to attaching position register; Under the triggering of this position updating request, the first core network element receives the response message of above-mentioned position updating request and inserts subscriber data message; First core network element obtains an above-mentioned PLMN information or above-mentioned 2nd PLMN information from above-mentioned response message or above-mentioned insertion subscriber data message.Or, obtain in the following manner:
First core network element sends authorization data request to attaching position register; Under the triggering of this authorization data request, the first core network element receives the authorization data response returned according to above-mentioned authorization data request from attaching position register; First core network element obtains a described PLMN information or described 2nd PLMN information from above-mentioned authorization data response.
In another preferred implementation of step S402, an above-mentioned PLMN information or above-mentioned 2nd PLMN information can also be obtained in the following manner:
Detect that above-mentioned subscriber equipment changes at the PLMN of PS territory or the registration of CS territory at attaching position register, or when the PLMN of PLMN with the PS territory registration that the above-mentioned subscriber equipment stored is registered in CS territory is different, above-mentioned first core network element receives the second notification message from above-mentioned attaching position register, wherein, an above-mentioned PLMN information or above-mentioned 2nd PLMN information is carried in above-mentioned second notification message.
In above-mentioned processing procedure, the treatment step that the first core network element sends position updating request to attaching position register can show as following implementation procedure, but is not limited thereto:
First core network element, when each user accesses, all sends above-mentioned position updating request to above-mentioned attaching position register; Or,
When user accesses the first core network element from BSS or RNC, the first core network element receives the first notification message from above-mentioned BSS or above-mentioned RNC; Wherein, in above-mentioned first notification message, indicate above-mentioned BSS or above-mentioned RNC not perform collaborative selection PLMN to PS territory and CS territory, above-mentioned first core network element sends above-mentioned position updating request to above-mentioned attaching position register.The implication of " collaborative selection " is for select same PLMN in PS territory and CS territory herein.
In above-mentioned processing procedure, the treatment step that the first core network element sends authorization data request to attaching position register can show as following implementation procedure, but is not limited thereto:
First core network element, when each user accesses, all sends described authorization data request to attaching position register; Or,
When user accesses the first core network element from base station sub-system BSS or radio network controller (RNC), the first core network element receives the 4th notification message from described BSS or described RNC; Wherein, in described 4th notification message, indicate described BSS or described RNC not perform collaborative selection PLMN to PS territory and CS territory, described first core network element sends described authorization data request to described attaching position register.
It should be noted that, the first notification message in the present embodiment and the 4th notification message can be same notification message, can be also two independently notification messages, not limit at this to it.
Before the first core network element sends position updating request or authorization data request to attaching position register, attaching position register needs first to obtain and stores an above-mentioned PLMN information or the 2nd PLMN information, and specific implementation process is as follows:
When the first core network element is MSC or VLR, above-mentioned attaching position register receives position updating request from SGSN or authorization data request, wherein, carries an above-mentioned PLMN information in above-mentioned position updating request or authorization data request;
When the first core network element is SGSN, above-mentioned attaching position register receives position updating request from MSC or VLR or authorization data request, wherein, carries above-mentioned 2nd PLMN information in above-mentioned position updating request or authorization data request.
The implementation of step S404 has multiple, in a preferred implementation of the present embodiment, can realize in the following manner: judge whether the first core network element supports an above-mentioned PLMN or above-mentioned 2nd PLMN; If support an above-mentioned PLMN or above-mentioned 2nd PLMN, then using an above-mentioned PLMN or above-mentioned 2nd PLMN as final selection result; If do not support an above-mentioned PLMN or above-mentioned 2nd PLMN, LAU flow process is redirected in same CS territory or PS territory the second core network element supporting an above-mentioned PLMN or above-mentioned 2nd PLMN by the first core network element; Be that an above-mentioned PLMN or above-mentioned 2nd PLMN selected by subscriber equipment by above-mentioned second core network element, wherein, judge whether the first core network element supports that the main body of an above-mentioned PLMN or above-mentioned 2nd PLMN can for above-mentioned first core network element.
In above-mentioned processing procedure, LAU flow process is redirected in same CS territory or PS territory the second core network element supporting an above-mentioned PLMN or above-mentioned 2nd PLMN by the first core network element, can realize through but not limited to under type:
BSS or RNC that first core network element accesses to user sends third notice message, wherein, an above-mentioned PLMN information or above-mentioned 2nd PLMN information is carried in above-mentioned third notice message, an above-mentioned PLMN information of carrying in above-mentioned third notice message or above-mentioned 2nd PLMN information are for providing the foundation selecting above-mentioned second core network element for above-mentioned BSS or RNC, namely BSS or RNC is according to an above-mentioned PLMN information of carrying in above-mentioned third notice message or above-mentioned 2nd PLMN Information Selection second core network element.
An above-mentioned PLMN information and above-mentioned 2nd PLMN information include one of following: for representing the SGSN number of above-mentioned subscriber equipment place PLMN, MSC number or VLR number, PLMN number.
The attaching position register mentioned in above-described embodiment can be HLR, or supports and the HSS of HLR similar functions, or other storing user subscription datas, or user is at other network element of PS territory or CS territory log-on message.
In order to understand above-described embodiment better, describe in detail below in conjunction with preferred embodiment.
Embodiment 1
This embodiment goes for UE and switches in PS territory, Routing Area Update (Route AreaUpdate is performed to target side, referred to as RAU) after, after PS service ending (namely target side does not support that PS business is connected with CS business simultaneously), perform the process of location area updating (Location Area Update, referred to as LAU).This execution mode also goes for UE and switches in PS territory, arrives target side and does not perform RAU process, and perform independent LAU process.Now step S502 ~ S510 can think namely completing before handover of completing of source.Therefore time limit requirement very not strict after step S502 ~ S510 and follow-up step S512.
Step S502, UE initiate RAU process.
Step S504, SGSN are the backward HLR/HSS launch position update request that UE determines PLMN.When this process occurs after the handover, then this PLMN is selected by source BSS/RNC, and informs target SGSN by Routing Area Identifier (Routing AreaIdentification, referred to as RAI).When this process completes before handover, then this PLMN is that source BSS/RNC selects, and informs SGSN by RAI.The mark of UE is carried in position updating request, and SGSN number.When this number can represent the PLMN of UE, do not need additionally to carry new PLMN id and indicate.Within some network, SGSN number possibly cannot represent the PLMN at UE place accurately, then newly-added information key element (InformationElement, referred to as IE) may be needed to notify HLR/HSS, the PLMN information that UE registers in PS territory.
Step S506, HLR/HSS record the PLMN information that UE registers in PS territory.HLR/HSS inserts user data (Insert Subscriber Data) to SGSN.
Step S508, HLR/HSS upgrade response message to SGSN home position.
Step S510, SGSN return RAU to UE and accept message.If this process is assigned with PTMSI, UE also needs to return RAU to network and completes message.
May also have authentication in said process, set up carrying, HLR/HSS is to other processes such as old SGSN canceling positions, and these processes are conventionally known to one of skill in the art, repeat no more herein.
It is that UE selects MSC/VLR1. that step S512, UE initiate LAU, BSS/RNC
Step S514, MSC/VLR1 are to HLR/HSS launch position update request.The mark of UE is carried in position updating request, and SGSN number.
The PLMN information that step S516, HLR/HSS register in PS territory according to the UE of record inserts user data to MSC/VLR1.User data may comprise the PLMN information in the PS territory of UE registration.
Step S518, HLR/HSS upgrade response message to MSC/VLR1 home position.If the PLMN information in the PS territory not providing UE to register in step S516.So comprise the PLMN information in the PS territory of UE registration in this message.
The PLMN information in the PS territory that step S520, MSC/VLR1 register according to UE selects the PLMN information of CS territory registration as UE.If MSC/VLR1 supports that this PLMN, MSC complete the residue flow process of LAU.Otherwise LAU is redirected to the MSC/VLR of other PLMN by MSC/VLR1.Suppose in the present embodiment not support, perform subsequent step.
May also have authentication in said process, obtain UE ID, HLR/HSS is to other processes such as old MSC/VLR canceling positions, and these processes are conventionally known to one of skill in the art, and these steps itself are little with the present embodiment relation on the other hand, omit and do not describe.
Step S522, MSC/VLR1 send redirect message to BSS/RNC, wherein need the PLMN ID be redirected, LAU message.If BSS/RNC can LAU message before buffer memory, then can not comprise LAU message in this message, and comprise the correlated identities of LAU message, be used to indicate the LAU message of buffer memory before BSS/RNC forwards.
Step S524, BSS/RNC are that UE selects suitable MSC/VLR2 according to PLMN ID.BSS/RNC returns redirected response message to MSC/VLR1.
Step S526, BSS/RNC send LAU message to MSC/VLR2.
Step S528 ~ step S532, MSC/VLR2 upgrades to HLR/HSS launch position and obtains subscription data process.Similar with step S514 ~ S518, repeat no more herein.
Step S534, MSC/VLR2 are that UE determines selected PLMN.
Step S536 ~ S538, MSC/VLR sends LAU receipt message to UE, if comprise the TMSI of MSC/VLR2 distribution in this message, then UE sends LAU to MSC/VLR2 and completes message.
If UE is in the process performing LAU, MSC/VLR does not change, then MSC/VLR to HLR/HSS launch position update request, thus may cannot obtain the PLMN of PS territory registration, and therefore the present embodiment comprises as under type ensures that MSC/VLR obtains this parameter further:
1, MSC/VLR is required always to HSS/HLR launch position update request.
2, require that BSS/RNC is not when performing the collaborative network in PS/CS territory and selecting, and notifies MSC/VLR, when MSC/VLR learns this information, always to HSS/HLR launch position update request in step X06.
3, the mode in embodiment 2 is adopted.Specifically see embodiment 2, can repeat no more herein.
Embodiment 2
This execution mode goes for UE and switches in PS territory, after target side performs RAU, after PS service ending (namely target side does not support that PS business is connected with CS business simultaneously), performs the process of LAU.This execution mode also goes for UE and switches in PS territory, arrives target side and does not perform RAU process, and perform independent LAU process.Now step S602 ~ S614 can think namely completing before handover of completing of source.Therefore time limit requirement very not strict after step S602 ~ S614 and follow-up step S616.
Step S602, UE initiate RAU process.
Step S604, SGSN are the backward HLR/HSS launch position update request that UE determines PLMN.When this process occurs after the handover, then this PLMN is selected by source BSS/RNC, and informs target SGSN by RAI.When this process completes before handover, then this PLMN is that source BSS/RNC selects, and informs SGSN by RAI.The mark of UE is carried in position updating request, and SGSN number.When this number can represent the PLMN of UE, do not need additionally to carry new PLMN id and indicate.Within some network, SGSN number possibly cannot represent the PLMN at UE place accurately, then newly-increased IE may be needed to notify the PLMN information that HLR/HSS, UE register in PS territory.
Step S606, HLR/HSS record the PLMN information that UE registers in PS territory.HLR/HSS inserts user data to SGSN.
Step S608, HLR/HSS upgrade response message to SGSN home position.
Step S610, SGSN return RAU to UE and accept message.If this process is assigned with PTMSI, UE also needs to return RAU to network and completes message.
Step S612, when HLR/HSS finds the PLMN change of PS territory registration, or when HLR/HSS can record the PLMN of PLMN and PS territory registration of CS territory registration simultaneously, when both discoveries are different, can notify another one territory.HLR/HSS sends PLMN change notification message to (old) MSC/VLR that UE registration is old, wherein carries the PLMN information of PS territory registration.This message can multiplexing existing canceling position message or other available message, also can be realized by newly-increased message.As long as achieve this informing function all in the protection range of the present embodiment.
Step S614, old MSC/VLR compares the PLMN information of PLMN and the PS territory registration of the current registration of UE, if constant, can not perform subsequent process.If there occurs change, perform subsequent step.
Step S616, old MSC/VLR returns notice response message to HLR/HSS.
May also have authentication in said process, set up carrying, HLR/HSS is to other processes such as old SGSN canceling positions, and these processes are conventionally known to one of skill in the art, repeat no more herein.
It is that UE selects MSC/VLR1 that UE initiates LAU, BSS/RNC.
If just registered at MSC/VLR1, namely old MSC/VLR and MSC/VLR1 is same network element, then directly perform step S618.If not registered at MSC/VLR1 before UE, then may perform step S616a ~ s616b, or perform and step 407 ~ 419 step in embodiment 1.
Step S616a, MSC/VLR1 send to old MSC/VLR and obtain identification request.
Step S616b, old MSC/VLR returns acquisition identification response to MSC/VLR1, wherein carries the PLMN id in the PS territory of UE registration.
The PLMN information in the PS territory that step S618, MSC/VLR1 register according to the UE obtained in step S614 selects the PLMN information of CS territory registration as UE.If MSC/VLR1 supports that this PLMN, MSC/VLR1 complete the residue flow process of LAU.Otherwise LAU is redirected to the MSC/VLR of other PLMN by MSC/VLR1.Suppose in the present embodiment not support, perform subsequent step.
Step S620 ~ step S636 and step S522 ~ step S538 is similar, does not repeat here.
It should be noted that, in embodiment 1 and embodiment 2, be all first have selected PS territory, rear selection CS territory is that example is described.In actual deployment network, do not get rid of the possibility selecting PS territory after first have selected CS territory.Therefore when this scene occurs, the CS territory in above-mentioned flow process and the what's new in PS territory similar, namely require that the PLMN in the CS territory that UE registers by HSS/HLR informs to SGSN by the way, and trigger the reselection procedure of SGSN.
Embodiment 3
The scope of application and Fig. 5 of this embodiment are similar, the flow process performed also is similar, be not both step S514 ~ step S518 now not need to perform, but MSC/VLR1 sends authorization data request to HLR, HSS receives backward MSC and returns authorization data response, wherein carries the PLMN information in the PS territory of UE registration.MSC/VLR1 is the PLMN information that UE selects the registration of CS territory according to the PLMN information in PS territory.If MSC/VLR1 supports that this PLMN, MSC complete the residue flow process of LAU.Otherwise LAU is redirected to the MSC/VLR of other PLMN by MSC/VLR1, perform the remaining step after the step S522 in Fig. 5.
In addition step S528 ~ step S532 can obtain the PLMN information in PS territory by authorization data request process.
Embodiment 4
The scope of application and Fig. 6 of this embodiment are similar, the flow process performed also is similar, be not both step S626 ~ step S630 now not need to perform, but MSC/VLR2 sends authorization data request to HLR, HSS receives backward MSC and returns authorization data response, wherein carries the PLMN information in the PS territory of UE registration.MSC/VLR2 is the PLMN information that UE selects the registration of CS territory according to the PLMN information in PS territory.
In order to realize said method, additionally provide the PLMN choice device in a kind of PS territory and CS territory in the present embodiment, this application of installation is in core network element, for realizing above-described embodiment and preferred implementation, carried out repeating no more of explanation, below the module related in this device had been described.As used below, term " module " can realize the software of predetermined function and/or the combination of hardware.Although the device described by following examples preferably realizes with software, hardware, or the realization of the combination of software and hardware also may and conceived.
Fig. 7 is the structured flowchart according to the PS territory of the embodiment of the present invention and the PLMN choice device in CS territory.As shown in Figure 7, this device comprises:
Acquisition module 70, for obtaining the PLMN information in the registration of PS territory, or the 2nd PLMN information registered in CS territory;
Selecting module 72, be connected to acquisition module 70, for being the PLMN that subscriber equipment selects in the registration of CS territory, or is the 2nd PLMN that subscriber equipment selects in the registration of PS territory according to the 2nd PLMN information according to a PLMN information.
By the function that above-mentioned modules realizes, can ensure that same PLMN is chosen in CS territory and PS territory equally.
In the present embodiment, acquisition module 70, as shown in Figure 8, comprises following processing unit: transmitting element 700, for sending position updating request to attaching position register; First receiving element 702, is connected to transmitting element 700, for receiving the response message of above-mentioned position updating request and inserting subscriber data message; Acquiring unit 704, is connected to the first receiving element 702, for obtaining a PLMN information or the 2nd PLMN information from above-mentioned response message or above-mentioned insertion subscriber data message.
Alternatively, as shown in Figure 8, acquisition module 70 can also comprise: the second receiving element 706, for detecting that at attaching position register subscriber equipment changes at the PLMN of PS territory or the registration of CS territory, or when the PLMN of PLMN with the PS territory registration that the subscriber equipment stored is registered in CS territory is different, receive the second notification message from attaching position register, wherein, in the second notification message, carry a PLMN information or the 2nd PLMN information.
In the present embodiment, transmitting element 700, also sends authorization data request for described to attaching position register; First receiving element 702, also for receiving the authorization data response returned according to described authorization data request from described attaching position register; Acquiring unit 704, also for obtaining a described PLMN information or described 2nd PLMN information from described authorization data response.
As mentioned above, the above-mentioned modules related in the present embodiment both can be realized by software, also can be realized by correspondingly hardware.Such as, above-mentioned modules all can be located within a processor, such as: above-mentioned modules is all in a processor: a kind of processor, comprising: acquisition module 70 and selection module 72; Or above-mentioned modules is in a corresponding processor respectively: acquisition module 70, is arranged in first processor, module 72 is selected to be arranged in the second processor.
In another embodiment, additionally provide a kind of software, this software is for performing the technical scheme described in above-described embodiment and preferred implementation.
In another embodiment, additionally provide a kind of storage medium, store above-mentioned software in this storage medium, this storage medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. a public land mobile network PLMN system of selection for packet switched ps domain and circuit-switched CS domain, is characterized in that, comprising:
First core network element obtains the PLMN information in the registration of PS territory, or the 2nd PLMN information registered in CS territory;
Described first core network element is the PLMN that subscriber equipment selects in the registration of CS territory according to a described PLMN information, or is the 2nd PLMN that described subscriber equipment selects in the registration of PS territory according to described 2nd PLMN information.
2. method according to claim 1, is characterized in that, the first core network element obtains the PLMN information in the registration of PS territory, or the 2nd PLMN information registered in CS territory, comprising:
Described first core network element sends position updating request to attaching position register;
Described first core network element receives the response message inserting subscriber data message and described position updating request;
Described first core network element obtains a described PLMN information or described 2nd PLMN information from described response message or described insertion subscriber data message.
3. according to method according to claim 1, it is characterized in that, the first core network element obtains the PLMN information in the registration of PS territory, or the 2nd PLMN information registered in CS territory, comprising:
Described first core network element sends authorization data request to attaching position register;
Described first core network element receives the authorization data response that described attaching position register returns according to described authorization data request;
Described first core network element obtains a described PLMN information or described 2nd PLMN information from described authorization data response.
4. method according to claim 3, is characterized in that, described first core network element comprises before sending authorization data request to attaching position register:
Described first core network element be moving exchanging center MSC or VLR Visitor Location Register VLR time, described attaching position register receives the authorization data request from GPRS serving GPRS support node SGSN, wherein, a described PLMN information is carried in described authorization data request;
When described first core network element is SGSN, described attaching position register receives the authorization data request from MSC or VLR, wherein, carries described 2nd PLMN information in described authorization data request.
5. method according to claim 3, is characterized in that, described first core network element sends authorization data request to attaching position register and comprises:
Described first core network element, when each user accesses, all sends described authorization data request to described attaching position register; Or,
When user accesses the first core network element from BSS or RNC, described first core network element receives the 4th notification message from described BSS or described RNC; In described 4th notification message, indicate described BSS or described RNC not perform collaborative selection PLMN to PS territory and CS territory, described first core network element sends described authorization data request to described attaching position register.
6. method according to claim 2, is characterized in that, described first core network element comprises before sending position updating request to attaching position register:
When described first core network element is MSC or VLR, described attaching position register receives the position updating request from SGSN, wherein, carries a described PLMN information in described position updating request;
When described first core network element is SGSN, described attaching position register receives the position updating request from MSC or VLR, wherein, carries described 2nd PLMN information in described position updating request.
7. method according to claim 2, is characterized in that, described first core network element sends position updating request to attaching position register and comprises:
Described first core network element, when each user accesses, all sends described position updating request to described attaching position register; Or,
When user accesses the first core network element from base station sub-system BSS or radio network controller (RNC), described first core network element receives the first notification message from described BSS or described RNC; Wherein, in described first notification message, indicate described BSS or described RNC not perform collaborative selection PLMN to PS territory and CS territory, described first core network element sends described position updating request to described attaching position register.
8. method according to claim 1, is characterized in that, the first core network element obtains the PLMN information in the registration of PS territory, or the 2nd PLMN information registered in CS territory, comprising:
Detect that described subscriber equipment changes at the PLMN of PS territory or the registration of CS territory at attaching position register, or when the PLMN of PLMN with the PS territory registration that the described subscriber equipment stored is registered in CS territory is different, described first core network element receives the second notification message from described attaching position register, wherein, a described PLMN information or described 2nd PLMN information is carried in described second notification message.
9. method according to any one of claim 1 to 8, it is characterized in that, described first core network element is the PLMN that subscriber equipment selects in the registration of CS territory according to a described PLMN information, or according to described 2nd PLMN information be described subscriber equipment select PS territory registration the 2nd PLMN, comprising:
Judge whether described first core network element supports a described PLMN or described 2nd PLMN;
If support a described PLMN or described 2nd PLMN, then using a described PLMN or described 2nd PLMN as final selection result;
If do not support a described PLMN or described 2nd PLMN, location updating LAU flow process is redirected in same CS territory or PS territory the second core network element supporting a described PLMN or described 2nd PLMN by described first core network element; By described second core network element be described subscriber equipment select a described PLMN or described 2nd PLMN.
10. method according to claim 9, is characterized in that, location updating LAU flow process is redirected in same CS territory or PS territory the second core network element supporting a described PLMN or described 2nd PLMN by described first core network element, comprising:
BSS or RNC that described first core network element accesses to user sends third notice message, wherein, carry a described PLMN information or described 2nd PLMN information in described third notice message, a described PLMN information of carrying in described third notice message or described 2nd PLMN information are for selecting described second core network element for described BSS or RNC.
11. methods according to any one of claim 1 to 8, is characterized in that, a described PLMN information and described 2nd PLMN information include one of following:
For representing the SGSN number of described subscriber equipment place PLMN, MSC number or VLR number, PLMN number.
The public land mobile network PLMN choice device of 12. 1 kinds of packet switched ps domain and circuit-switched CS domain, is applied to core network element, it is characterized in that, comprising:
Acquisition module, for obtaining the PLMN information in the registration of PS territory, or the 2nd PLMN information registered in CS territory;
Selecting module, for being the PLMN that subscriber equipment selects in the registration of CS territory, or is the 2nd PLMN that described subscriber equipment selects in the registration of PS territory according to described 2nd PLMN information according to a described PLMN information.
13. devices according to claim 12, is characterized in that, described acquisition module, comprising:
Transmitting element, for sending position updating request to attaching position register;
First receiving element, for receiving the response message of described position updating request and inserting subscriber data message;
Acquiring unit, for obtaining a described PLMN information or described 2nd PLMN information from described response message or described insertion subscriber data message.
14. devices according to claim 12, is characterized in that,
Described transmitting element, also for sending authorization data request to attaching position register;
Described first receiving element, also for receiving the authorization data response that described attaching position register returns according to described authorization data request;
Described acquiring unit, also for obtaining a described PLMN information or described 2nd PLMN information from described authorization data response.
15. devices according to claim 12, is characterized in that, described acquisition module comprises:
Second receiving element, for detecting that at attaching position register described subscriber equipment changes at the PLMN of PS territory or the registration of CS territory, or when the PLMN of PLMN with the PS territory registration that the described subscriber equipment stored is registered in CS territory is different, receive the second notification message from described attaching position register, wherein, a described PLMN information or described 2nd PLMN information is carried in described second notification message.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410150968.2A CN104837183A (en) | 2014-02-10 | 2014-04-15 | PLMN selection method of PS domain and CS domain, and device |
| PCT/CN2014/087845 WO2015117344A1 (en) | 2014-02-10 | 2014-09-29 | Plmn selection method and device for ps domain and cs domain |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410046984 | 2014-02-10 | ||
| CN2014100469847 | 2014-02-10 | ||
| CN201410150968.2A CN104837183A (en) | 2014-02-10 | 2014-04-15 | PLMN selection method of PS domain and CS domain, and device |
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| CN201410150968.2A Withdrawn CN104837183A (en) | 2014-02-10 | 2014-04-15 | PLMN selection method of PS domain and CS domain, and device |
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| WO (1) | WO2015117344A1 (en) |
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| WO2019024816A1 (en) * | 2017-07-31 | 2019-02-07 | 华为技术有限公司 | Method and apparatus for transmitting information |
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| GB0912944D0 (en) * | 2009-07-24 | 2009-09-02 | Vodafone Plc | SMS over lte sgs interface optimisations |
| DK2648459T3 (en) * | 2012-04-05 | 2016-11-28 | Telia Co Ab | Network selection in a shared network environment |
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- 2014-09-29 WO PCT/CN2014/087845 patent/WO2015117344A1/en active Application Filing
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| CN1832615A (en) * | 2005-03-08 | 2006-09-13 | 华为技术有限公司 | Double-mode derminal network selecting log-on method |
| WO2011072755A1 (en) * | 2009-12-18 | 2011-06-23 | Nokia Siemens Networks Oy | Resource sharing in communications systems |
| WO2011153702A1 (en) * | 2010-06-10 | 2011-12-15 | 华为技术有限公司 | Method, apparatus and system for selecting public land mobile network |
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| CN114007192B (en) * | 2021-02-26 | 2022-06-10 | ***通信有限公司研究院 | Terminal access processing method, device and storage medium |
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| WO2015117344A1 (en) | 2015-08-13 |
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