CN1968502A - Method and system for controlling roaming subscriber to access network - Google Patents
Method and system for controlling roaming subscriber to access network Download PDFInfo
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- CN1968502A CN1968502A CNA2006100721570A CN200610072157A CN1968502A CN 1968502 A CN1968502 A CN 1968502A CN A2006100721570 A CNA2006100721570 A CN A2006100721570A CN 200610072157 A CN200610072157 A CN 200610072157A CN 1968502 A CN1968502 A CN 1968502A
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Abstract
The invention relates to a method for controlling the roaming user accessed into network, wherein server network of user device transmits the local mobile nation number or the network data which can obtain local mobile nation number to the user attached network; user network based on said number obtains relative network select information with priority information, to be transmitted to the server network; the server network transmits the network select information to the user device; user device selects the accessed network. The invention also discloses a communication system.
Description
Technical field
The present invention relates to the access technology of wireless communication field, relate in particular to the method and system of control roaming subscriber to access network.
Background technology
At present, (User Equipment UE) simplifies network selecting by the network selector that provides in subscriber identity module/Universal Mobile Telecommunications System subscriber identity module (SIM/USIM card) to subscriber equipment.
3GPP TS 23.122 agreements have been introduced a kind of method of network selecting, it for UE provide public land mobile network (PLMN)/Home PLMN of registering, user/utilization merchant control with the value in the tabulations such as PLMN selector of access technology, UE can directly be registered in the required network.When the network in the tabulation did not exist, the network that UE arrives according to actual detected was initiated registration process with a kind of priority orders.Below list the PLMN selective listing and the priority orders of agreement regulation:
1, the PLMN/ Home PLMN of registering (or its equivalent network);
2, the PLMN selector with access technology of user's control;
3, the PLMN selector with access technology of operator's control;
4, the combination (random sequence) of high signal quality PLMN/ access technology;
5, the combination of other PLMN/ access technology (signal quality is order from high to low)
During the third generation (3G) wireless terminal roaming, it inserts 3G network to obtain the service of network according to the agreement regulation.When the user roams in the new country, may not preserve the local network information in the SIM/USIM card of UE, UE can only select the network of access by the network signal quality that actual detected arrives, and therefore, user's home-operator can not be controlled this terminal and be linked on the best network.
For example: a user comes a new nation, there are 3 tame network application merchant A, B, C and its home-operator to be signed with roaming agreement in the locality, owing to do not write down the priority of each network before the terminal, when selecting network, it can be linked on the best network B of signal quality at that time.But home-operator is expected terminal most and is linked on the network A (may be because the overlay area of A is bigger, or service price is lower etc.) that at this moment, home-operator just wishes to assist terminal to insert the network A of the best.
Summary of the invention
The invention provides a kind of method and system of controlling roaming subscriber to access network, exist home network can not control the problem that subscriber equipment inserts optimum network when the user roams in the prior art to solve.
The invention provides following technical scheme:
A kind of method of controlling roaming subscriber to access network comprises:
Subscriber equipment place service network is sent to the user attaching network with the network data that the Mobile Country Code MCC of location maybe can obtain the Mobile Country Code MCC of location;
The network based described Mobile Country Code MCC of user attaching obtains the network selecting information that comprises the access network precedence information accordingly, and is sent to described service network;
Described service network is sent to subscriber equipment with described network selecting information, and subscriber equipment is according to this network selecting Information Selection access network.
Wherein:
Described service network is carried at described Mobile Country Code MCC or described network data in the authorization data request message that sends to the user attaching network; Described user attaching network carries described network selecting information in the authorization data response message that returns.
Described service network carries the request message of the described Mobile Country Code MCC or the network information to the transmission of user attaching network after the roamer finishes authentication or authentication.
Subscriber equipment further is saved in the priority list that is used for selecting network with the network selecting information that receives.
Described network selecting information further comprises access technology and/or COS.
A kind of communication system comprises:
Be used for sending to the user attaching network Mobile Country Code MCC of location, the network data of Mobile Country Code MCC that maybe can obtain the location is with the device of request network selecting information;
Be used for obtaining the network selecting information that comprises the access network precedence information, and return to the device of service network according to described Mobile Country Code MCC;
Be used for described network selecting information is sent to the device of subscriber equipment.
Beneficial effect of the present invention is as follows:
Adopt the present invention, when the user roams into another area with different Mobile Country Code MCCs, do not preserve at subscriber equipment under the situation of the network information of this area, can obtain roaming network precedence information from home network by register flow path or request mode, be linked on the best network according to this roaming network precedence information then in this area; The operator of home network then can be listed as the roamer is carried out access control by configuration roaming network priority.Further, can better limit user's roaming network, avoid extra registration operation by data such as access technology, COS.
Description of drawings
Fig. 1 is in the embodiment of the invention being sent to user attaching network of network selection information roamer's main flow chart;
Fig. 2 is the structural representation of communication system in the embodiment of the invention;
Fig. 3 is sent to network selecting information roamer's flow chart in authentication process for service network in the embodiment of the invention;
Fig. 4 is sent to roamer's flow chart for service network network selecting information after authentication in the embodiment of the invention.
Embodiment
For the subscriber equipment that makes home network can control the roaming of not preserving the location network information can insert optimum network, the network selecting information that the present invention provides its home-operator to wish to the subscriber equipment of roaming, this network selecting information comprises access network priority, controls the roamer by this access network priority and inserts optimum network.
Consult shown in Figure 1, control roaming subscriber to access network main process as follows:
The service network SN at step 100, roamer place (being current user equipment UE place network) is sent to the user attaching network with the network data (as the PLMN number of current user equipment place network) that the Mobile Country Code MCC of location maybe can obtain the Mobile Country Code MCC of location.
Step 110, the network based described Mobile Country Code MCC of user attaching are searched the roaming grant table or other records the form of roaming network information, obtain to comprise the access network priority list and the extraction access network precedence information wherein of this area.
The network selecting information that step 120, user attaching network will comprise described access network precedence information sends to described service network.
Step 130, described service network are sent to subscriber equipment with network selecting information, and subscriber equipment is according to this network selecting Information Selection access network.
In the present embodiment a kind of communication system that realizes the inventive method as shown in Figure 2, this communication system comprises service network SE and home network HE (for the subscriber equipment of roaming).The Mobile Country Code MCC that dispensing device 20 in the service network is used to send the location maybe can obtain the network data of the Mobile Country Code MCC of location; Receiving system 22 in the home network is used to receive Mobile Country Code MCC or the above-mentioned data that comprise inquiry access network precedence information, and it is passed to inquiry unit 23; Inquiry unit 23 is used for obtaining the network selecting information that comprises the access network precedence information accordingly and passing to dispensing device 24 according to the Mobile Country Code MCC that receives; Dispensing device 24 in the home network sends to the receiving system 21 of service network with network selecting information, by receiving system 21 network selecting information is handed down to subscriber equipment.
In order better to limit the roaming network that is inserted and to avoid extra registration operation, further comprise data such as access technology and/or COS in the described network selecting information.
Because after being in the subscriber equipment start of roaming, service network will send the authorization data request message to user's home network HE (promptly registering network) in authentication process, employed IMSI among the SIM/USIM comprising the user (international mobile subscriber identify label).After HE receives request, the authentication information of IMSI correspondence can be sent to SN, therefore, a kind of preferable mode is that service network is when sending the authorization data request, the Mobile Country Code MCC that carries this area maybe can obtain the network data of the Mobile Country Code MCC of this area, and HE selects information to the SN feedback network in the authorization data request response.
Consult shown in Figure 3ly, select the flow process of information Control roaming subscriber to access network as follows by the authorizing procedure delivery network:
Step 300, roamer initiate to insert request to service network.
VLR/SGSN in step 310, the service network sends the authorization data request message to HE, comprises the Mobile Country Code MCC MCC of user identity IMSI and this area in this message.
Step 320, HE are known the residing position of active user according to MCC, obtain also extraction access network precedence information wherein of this area's access network (PLMN network) priority list by searching roaming grant table or other form that records roaming network information.
Step 330, service network send the authorization data request response to service network, carry authentication information, access network precedence information, relevant access technology and COS (voice service/data, services) in this message.
VLR/SGSN user authentication information in step 340, the service network is handed down to subscriber equipment with described access network precedence information, relevant access technology and COS network selecting information such as (voice service/data, services).
Step 350, subscriber equipment carry out authorizing procedure, and after authentication is finished according to network selecting Information Selection access network, with the optimum network of access belonging operator expectation.
Subscriber equipment also can further be selected priority to be saved in access network to be used for selecting the priority list of access network, as writes in the highest several prioritized item of PLMN selector with access technology of operator's control.
Utilize authorizing procedure to finish the transmission of network selecting information, not only realize easily, and can conserve network resources.
In addition, also can after authenticating user identification flow process or authorizing procedure are finished, come delivery network selection information, promptly set up new flow process and finish the transmission of network selecting information by the request message and the corresponding response message of expansion.
Consult shown in Figure 4ly, delivery network selects the flow process of information Control roaming subscriber to access network as follows behind authentication or authorizing procedure:
Behind step 400, authentication or the authorizing procedure, the VLR/SGSN in the service network sends the roaming network data request information according to the user identity IMSI information of preserving to its HE, and this message comprises user's IMSI and the Mobile Country Code MCC MCC of this area.
Step 410, HE are known the residing position of active user according to MCC, obtain also extraction access network precedence information wherein of this area's access network (PLMN network) priority list by searching roaming grant table or other form that records roaming network information.
Step 420, service network send roaming network data response message to service network, carry authentication information, access network precedence information, relevant access technology and COS (voice service/data, services) in this message.
VLR/SGSN in step 430, the service network sends to subscriber equipment and upgrades the roaming network request of data, comprises described access network precedence information, relevant access technology and COS network selecting information such as (voice service/data, services) in this request.
Step 440, subscriber equipment record network selecting information, and be used to select access network, to be linked into the optimum network of home-operator expectation.Subscriber equipment can select access network priority to be saved in the highest several prioritized item of PLMN selector with access technology of operator's control or user's control.
Step 450, subscriber equipment return to VLR/SGSN and upgrade the response of roaming network data.
Adopt the present invention, roam into a new area or when national, can provide the precedence information of the roaming network PLMN number of home-operator expectation for subscriber equipment the user, control terminal is linked into the network that optimum network or home-operator are wished.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (9)
1, a kind of method of controlling roaming subscriber to access network is characterized in that, comprising:
Subscriber equipment place service network is sent to the user attaching network with the network data that the Mobile Country Code MCC of location maybe can obtain the Mobile Country Code MCC of location;
The network based described Mobile Country Code MCC of user attaching obtains the network selecting information that comprises the access network precedence information accordingly, and is sent to described service network;
Described service network is sent to subscriber equipment with described network selecting information, and subscriber equipment is according to this network selecting Information Selection access network.
2, the method for claim 1 is characterized in that, described service network is carried at described Mobile Country Code MCC or described network data in the authorization data request message that sends to the user attaching network; Described user attaching network carries described network selecting information in the authorization data response message that returns.
3, the method for claim 1 is characterized in that, described service network carries the request message of the described Mobile Country Code MCC or the network information to the transmission of user attaching network after the roamer finishes authentication or authentication.
As claim 1,2 or 3 described methods, it is characterized in that 4, subscriber equipment further is saved in the priority list that is used for selecting network with the network selecting information that receives.
5, method as claimed in claim 4 is characterized in that, described network selecting information further comprises access technology and/or COS.
6, method as claimed in claim 4 is characterized in that, network selecting priority is saved in the high priority item of the public land mobile network with access technology (PLMN) selector of operator control or user's control.
7, a kind of communication system is characterized in that, comprising:
Be used for sending to the user attaching network Mobile Country Code MCC of location, the network data of Mobile Country Code MCC that maybe can obtain the location is with the device of request network selecting information;
Be used for obtaining the network selecting information that comprises the access network precedence information, and return to the device of service network according to described Mobile Country Code MCC;
Be used for described network selecting information is sent to the device of subscriber equipment.
8, communication system as claimed in claim 7 is characterized in that, described Mobile Country Code MCC or described network data are carried in the authorization data request message that sends to the user attaching network; And carry described network selecting information in the authorization data response message that returns.
9, communication system as claimed in claim 8 is characterized in that, after the roamer finishes authentication or authentication, sends and to carry described Mobile Country Code MCC or the network information with request network selecting information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100721570A CN100455132C (en) | 2006-04-14 | 2006-04-14 | Method and system for controlling roaming subscriber to access network |
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| CNB2006100721570A CN100455132C (en) | 2006-04-14 | 2006-04-14 | Method and system for controlling roaming subscriber to access network |
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| CN1968502A true CN1968502A (en) | 2007-05-23 |
| CN100455132C CN100455132C (en) | 2009-01-21 |
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| WO2009127101A1 (en) * | 2008-04-17 | 2009-10-22 | 中兴通讯股份有限公司 | A method for automatically selecting network and a terminal thereof |
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| WO2011026354A1 (en) * | 2009-09-04 | 2011-03-10 | 中兴通讯股份有限公司 | Method for implementing mobility restriction of mobile communication terminals and cdma & gsm gateway thereof |
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| FI20020026A0 (en) * | 2002-01-08 | 2002-01-08 | Nokia Corp | Selection of GGSN in a shared mobile network |
| ES2282556T3 (en) * | 2003-09-16 | 2007-10-16 | Research In Motion Limited | DEVICE AND ASSOCIATED METHOD TO DETERMINE THE RELATIONS OF MOBILE ITINERANCE. |
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