CN100337510C - Method for controlling users to access network - Google Patents
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Abstract
The present invention discloses a method for controlling a user to access to a network. The present invention is used for processing operation that a 3G network system controls a 2G user to access to a 3G network. The method comprises the following steps: a user type identification code used for differentiating a 2G user and a 3G user is stored in a home location register owned by a user; the home location register owned by a user judges whether an exchange function entity of a roaming area where the user roams supports the user type identification code; under the condition that the exchange function entity supports the user type identification code, the user type identification code of the user is issued to the exchange function entity; the exchange function entity judges the user type of the user according to the user type identification code and controls the access of the user whose user type is 2G. The present invention can avoid the problem that because the exchange function entity in the 3G network does not support the user type identification code, the user can not normally access to the 3G network. The service quality of the 3G network is improved.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to the control method of mobile communications network the user access network process.
Background technology
At present, the transition mobile communication system (2.5G) of second generation mobile communication system (2G) that the public is using and 2G and 3-G (Generation Three mobile communication system) (3G) all mainly is to be used to provide voice communication service, though the 2.5G mobile communication system also can be carried data communication service, but the Data-carrying speed that is provided is lower, and provide service quality (QoS, Quality of Service) limited in one's ability can't be satisfied existing multimedia communication and the qos requirement of exhaling new business such as communicating by letter more.Therefore, growing along with data communication technology and multimedia communication technology, press for existing mobile communications network can provide polytype and service quality QoS is higher multimedia communication service and high speed data communication services, require existing mobile communications network can realize global seamless covering and roaming function simultaneously, with the mobile dream that whenever really is implemented in, any way communication is carried out in any place.Above-mentioned these demands have been satisfied to a great extent and improving the 3-G (Generation Three mobile communication system) (3G) in stage at present.
Increasingly mature and perfect along with the 3G standard technology, increasing operator takes up to dispose the 3G network of oneself; But at user side, owing to need to change portable terminal with 3G function, could insert the 3G mobile communication network, the use 3G network communicates, the huge 2G user's update all in short-term of current quantity is that 3G subscription exists certain degree of difficulty simultaneously, therefore 2G user and 3G subscription will occur and deposit at moving communicating field, and 2G mobile communications network and 3G mobile communications network and the situation of depositing.
For the 3G mobile communications network is set up in operator,, therefore when setting up 3G network, just need to introduce again the communication equipment that meets 3G standard because that 2G standard technique and 3G standard technology exist in itself is very big different.At first, the Access Network of 2G mobile communications network part partly realizes different with the Access Network of 3G mobile communications network; Secondly, in 2G network and 3G network, its operation principle of being responsible for the mobile switching centre (MSC, Mobile Switching Center) of mobile message exchange also has bigger variation, so operator is more prone to introduce new 3G switching equipment; The 3rd, at the 2G network in the variation of 3G network, for the attaching position register (HLR that is responsible for subscriber information management, HomeLocation Register) and (AUC of AUC, Authentication Center) operation principle changes less relatively, just in the 3G network system, increased some new business, and the stores processor of user profile mechanism and authentication process mechanism principle are basic identical; Therefore, in order to reduce networking cost, part operator is more prone to the HLR/AUC equipment in the original 2G network system is upgraded, and makes HLR/AUC equipment become the public function entity of 2G network system and 3G network system, the user profile that is used to manage and store whole 2G users and 3G subscription; Therefore, to preserve the international mobile subscriber identifier (IMSI of all 2G users and 3G subscription among the public HLR of 2G network system and 3G network system, InternationalMobile Subscriber Identity), location area information at authentication information, business information and mobile subscriber place (LAI, Location Area Identity) etc.
With reference to Fig. 1, this figure is 2G network and 3G network and the network configuration topological diagram deposited in the prior art.Owing to the difference of wireless access technology, the 2G portable terminal can only be linked into the 2G network system by the base station sub-system (BSS, Base Station System) 1 of 2G network system among the figure; The 3G portable terminal can be by the UMTS wireless access network (UTRAN of 3G network system, UMTS Terrestrial AccessNetwork) 4 is linked into the 3G network system, for the 3G portable terminal of some function compatibility, can also be linked into the 2G network system by the BSS 1 of 2G network system simultaneously.
In the 2G network system, comprise mobile switching center (MSC/VLR) 3 that is used to 2G user that the voice data exchange ability is provided and the Serving GPRS Support Node (SGSN, Serving GPRS Support Node) 2 that data exchange capability is provided for 2G user; And in the 3G network system, comprise mobile switching center (MSC/VLR) 5 that is used to 3G subscription that the voice data exchange ability is provided and the Serving GPRS Support Node (SGSN, Serving GPRS Support Node) 6 that data exchange capability is provided for 3G subscription.
The shared same HLR/AUC 7 of 2G network system and 3G network system so preserve 2G user's identification information, business information and authentication information etc. among this HLR/AUC 7, also preserves identification information, business information and the authentication information etc. of 3G subscription simultaneously.
And comprising user's authentication information, IMSI information etc. with user-dependent user profile, these have user-dependent information to be kept on the subscriber identification module that the user has, rather than preserve on the portable terminal; The user profile correspondence that is 2G user is kept in SIM (the Subscriber Identity Module) card, and the user profile correspondence of 3G subscription is kept in USIM (UMTS SIM) card.
After 2G user is inserted into self SIM card on the 2G portable terminal, in the process that inserts the 2G network system, the 2G network side judges that draw this 2G user is (be preserve on this user totem information, authentication information and this user's SIM card of preserving among the HLR/AUC 7 of network side information consistent) behind the validated user, and the 2G network system will allow this user access network; In like manner, if after 2G user is inserted into self SIM card on certain 3G portable terminal, in the process that inserts the 3G network system, the 3G network side is judged and is drawn this 2G user for behind the validated user, also can allow this 2G user to be linked into 3G network.
Yet, because the 3G network system is better than the service quality of 2G network system to a great extent, simultaneously because 3G network belongs to New-deployed Network, be bound to consider the problem of cost recovery, therefore operator is linked into the situation of 3G network system simultaneously at 2G user and 3G subscription, will certainly formulate different market strategies and expenses standard, and if 3G network allows 2G user to use the 3G portable terminal arbitrarily to insert 3G network, will cause following problem:
One, 2G user may avoid operator and use the expenses standard of high-quality 3G network resource at it, reduces the income of operator; Like this, when the 2G user who is linked into 3G network reached some, operator's loss in this respect will account for significant proportion, and especially in the 3G networking initial stage cost recovery stage, operator will can not accept the appearance of this phenomenon.
They are two years old, paid the expense of 2G network service quality as a large amount of 2G users, use but be the 3G network service time, will take a large amount of 3G network resources, especially at the 3G networking initial stage, the 3G network self-capacity is smaller, and therefore can seriously influence 3G subscription normally uses the 3G network resource, when a large amount of 3G subscriptions used owing to the service quality (QoS) of Internet resources is difficult to guarantee to withdraw from, the development of 3G network will be hindered.
In sum, in being about to the 3G network system of setting up, must have the function that the 2G user that inserts its network system and 3G subscription type are distinguished,, the 2G user who is linked into the 3G network system effectively be controlled with on the basis that can distinguish 2G user and 3G subscription type.
And at present in the prior art, can utilize following mode to realize that 3G network distinguishes the 2G user and the 3G subscription that insert its network system, and the 2G user who inserts its network system is controlled:
(1) be respectively 2G user and the different user type identification code of 3G subscription configuration, being used to identify this user is 2G user or 3G subscription.
(2) with each user's user type identification code and this user's IMSI number corresponding stored in the shared attaching position register HLR of 2G network and 3G network, the implementation procedure of its storage is: when the user opens an account in the business hall, the instruction of opening an account is sent out to HLR in the business hall, wherein just comprise the user type identification code that comprises this user in this instruction of opening an account, if do not carry this user type identification code parameter in the instruction of opening an account of business hall, defaultly think that this user is 2G user.HLR receives to open an account to instruct and handles, if handle successfully, just this user's user type identification code and this user's IMSI number is carried out corresponding stored, also will be kept in its data storehouse with these user-dependent other information simultaneously.Follow-up this user can also and then revise the user type identification code by the business hall.
(3) in the 3G network side access rules that allows or refuse 2G user's access is set in advance.
(4) HLR is in the location update request message process that process user is sent, this user's who comprises in will location update request message IMSI number according to this user, inquire about this user's user type identification code, and this user's that will inquire about user type identification code feeds back to the MSC/VLR (or Serving GPRS Support Node SGSN) of user roaming place; MSC/VLR (or SGSN) judges that according to this user's user type identification code this user still is a 3G subscription for 2G user; And be under 2G user's the situation this user, the access rules in the integrating step (3) allows or refuses this 2G user and insert 3G network again.
Thereby, can realize that just 3G network controls 2G user's access, but but there is following defective in this implementation by as above processing procedure:
For the 3G network operator that adopts this mode to realize to control 2G user to insert 3G network, MSC/VLR in its 3G network system and SGSN requirement can discern the user type identification code that the affiliated HLR of user issues, and could pass through user type identification code differentiation user is that 2G user still is 3G subscription; And simultaneously because to be used to identify the user type identification code of 2G user and 3G subscription be not the defined canonical parameter of GSM/3GPP/CDMA agreement, so just might cause the 3G network of some 3G network operators establishments can not support user type identification code parameter.
For above-mentioned reasons, the situation that the user roams in the MSC/VLR that do not support user type identification code parameter or SGSN just might occur occurs, such as in international roaming, when the position updating request that the user type identification code parameter that issues owing to the HLR that can not discern under the user as the MSC/VLR of user roaming place or SGSN is refused this user is handled, just may cause the user normally not surf the Net, badly influence the network service quality QOS of 3G network operator.
Summary of the invention
The objective of the invention is to propose the method that a kind of network control user inserts, because the function of exchange entity in the 3G network does not support to be respectively applied for the user type identification code of sign 2G user and 3G subscription, and cause the user can not normally insert the problem of 3G network to solve.
For achieving the above object, the present invention proposes the method that a kind of network control user inserts, be used for the processing that the control 2G user of 3G network system inserts, comprise step:
The user type identification code that will be used for distinguishing 2G user and 3G subscription is stored in the attaching position register under the user;
Attaching position register under the user judges whether the function of exchange entity of user roaming place supports the user type identification code; And
Under situation about supporting, user's user type identification code is handed down to described function of exchange entity;
Described function of exchange entity is judged user's user type according to the user type identification code; And
To user type is that the user of 2G carries out access control.
The information code that described method also comprises the function of exchange entity that can support the user type identification code is stored in the step of the attaching position register under the user with tabular form.
Whether wherein said attaching position register judges at the row of function of exchange entity information sign indicating number tabulation whether the function of exchange entity of user roaming place supports the user type identification code according to the information code of the function of exchange entity that sends location update request message.
The information code of wherein said function of exchange entity is that national code in the function of exchange entity identifier is in conjunction with the domestic network access code.
Described method also comprises step:
For supporting the function of exchange physical arrangements support sign of user type identification code;
Support the function of exchange entity of user type identification code when the attaching position register under the user sends location update request message, to carry described support sign.
Whether wherein said attaching position register supports sign to judge whether the function of exchange entity supports the user type identification code according to carrying in the location update request message.
Described method also comprises step:
Affiliated attaching position register is supported the user's of described support sign information code be stored in the function of exchange entity with tabular form;
Whether the information code that described function of exchange entity is judged the user who sends location update request message determines whether sending carrying at the row of user profile sign indicating number tabulation supports the location update request message that indicates.
Wherein said user's information code is that Mobile Country Code MCC in user's international mobile subscriber identity is in conjunction with mobile network No..
Described method also comprises step:
Described attaching position register judges whether to discern described support sign; If judge according to described support sign whether the function of exchange entity supports the user type identification code; If not, then
Do not issue the user type identification code and give described function of exchange entity; Or
Issue illegal parameter response message and give described function of exchange entity.
Wherein said function of exchange entity also comprises after receiving illegal parameter response message:
Function of exchange entity refusing user's inserts; Or
Resending not carry supports the location update request message that indicates to give the user affiliated attaching position register.
Described method also is included in when not receiving the user type identification code that attaching position register issues, and described function of exchange entity directly allows or the step of refusing user's access network.
The wherein said process that 2G user is carried out access control further comprises:
Set in advance and allow 2G user to insert 3G network; Or
Described function of exchange entity allows or the refusing user's type is that the user of 2G inserts 3G network according to described setting in advance.
Mobile switching centre that wherein said function of exchange entity is the 3G network circuit commutative field and VLR Visitor Location Register or be the Serving GPRS Support Node of 3G network packet-switched domain.
The method that network control user of the present invention inserts is used to distinguish the user type identification code of 2G user and 3G subscription by storage in attaching position register, and judge that at attaching position register the function of exchange entity draw the user roaming place supports under the situation of described user type identification code, just issue the user type identification code and give the function of exchange entity of user roaming place, the function of exchange entity of user roaming place judge to insert user type according to the user type identification code again, and and then control 2G user's access.Thereby avoided having improved the service quality of 3G network because the function of exchange entity in the 3G network under the situation of the user type identification code of not supporting to be respectively applied for sign 2G user and 3G subscription, and causes the user can not normally insert 3G network.
Description of drawings
Fig. 1 is 2G network and 3G network and the network configuration topological diagram deposited in the prior art;
Fig. 2 is the simple realization flow chart of the method for network control user access of the present invention;
Fig. 3 is in the method that network control user of the present invention inserts, and the VLR at user place supports user type identification code and HLR that the embodiment that supports sign to support is handled schematic diagram;
Fig. 4 is in the method that network control user of the present invention inserts, and the VLR at user place supports the user type identification code and HLR handles schematic diagram to supporting unsupported first embodiment of sign;
Fig. 5 is in the method that network control user of the present invention inserts, and the VLR at user place supports the user type identification code and HLR handles schematic diagram to supporting unsupported second embodiment of sign.
Embodiment
With reference to Fig. 2, this figure is the simple realization flow chart of the method for network control user access of the present invention.The process that 3G network is controlled 2G user's access among the figure is as follows:
Step 10 is provided with the access rules that allows or refuse 2G user's access by the network management personnel in the 3G network side; When the access rules that allows 2G user's access was set in the 3G network side, 3G network was learning that inserting the user is under 2G user's the situation, can allow this 2G user to insert its network; And when the 3G network side was provided with the access rules of refusal 2G user access, 3G network was learning that inserting the user is under 2G user's the situation, can refuse this 2G user and insert its network.
Step 20 is 2G user and the different user type identification code of 3G subscription configuration in advance, to use different user type identification codes 2G user and 3G subscription is distinguished.
Step 30, in user's user type identification code and user's the IMSI number corresponding stored attaching position register HLR under the user, the storing process of its user type identification code can be realized in the following way:
When the user opens an account in the business hall, the instruction of opening an account is sent out to HLR in the business hall, wherein just comprise the user type identification code that comprises this user in this instruction of opening an account,, defaultly think that this user is 2G user if do not carry this user type identification code parameter in the instruction of opening an account of business hall.HLR receives that the instruction of opening an account handles, if handles successfully, just with this user's user type identification code and this user's IMSI number corresponding stored in self database.The user can also and then revise the user type identification code of self by the business hall.
Step 40, the 3G network side is in the location update request message process that process user is sent, attaching position register HLR under the user judges whether the function of exchange entity of user roaming place supports the user type identification code, if support execution in step 50, otherwise execution in step 90.
Step 50, the HLR under the user just is handed down to this user's user type identification code the function of exchange entity of user roaming place.
Step 60, the function of exchange entity of user roaming place judges that according to the user type identification code that receives this user still is 3G subscription for 2G user; If be 2G user's execution in step 70, if be 3G subscription then execution in step 80.
Step 70, the access rules that the function of exchange entity of user roaming place sets in advance according to 3G network side in the step 10 is controlled this 2G user's access; If promptly the access rules of 3G network inserts for allowing 2G user, then 3G network allows this 2G user to insert; And if the access rules of 3G network inserts for refusal 2G user, corresponding 3G network is refused this 2G user and is inserted.
Step 90, the user type identification code that the HLR of user attaching does not issue the user is given the function of exchange entity of user roaming place, does not support the user type identification code and causes normally access network of user owing to the function of exchange entity of user roaming place preventing.
Step 100, the function of exchange entity of user roaming place is under the situation that does not receive the user type identification code, just the type that can not dock access customer is distinguished, at this moment can take directly to allow this user to insert 3G network or directly refuse this user and insert 3G network, it is concrete to adopt and allows directly still that direct refusal can be pre-determined by network side.
Wherein the attaching position register HLR under the user judges whether the function of exchange entity of user roaming place supports the user type identification code specifically to realize in the following way in the step 40:
Can support the information code of the function of exchange entity of user type identification code to be stored in the attaching position register under the user all with tabular form;
When the process user location update request message, the attaching position register HLR under the user judges whether the information code of the function of exchange entity that sends location update request message judges at the row of the function of exchange entity information sign indicating number tabulation of self storing whether the function of exchange entity of user roaming place supports the user type identification code.
Wherein the information code of function of exchange entity can for the national code in the function of exchange entity identifier in conjunction with the domestic network access code.
Because according to protocol definition, the coding of function of exchange such as MSC/VLR and SGSN entity is all followed international code (CC, Country Code)+domestic network access code (NDC, National Destination Code)+principle of concrete device numbering, if the function of exchange entity of certain 3G network operator is supported the user type identification code, as long as (CC+NDC) information code of this 3G network operator function of exchange entity correspondence of configuration among the HLR under the user.Whether the information code (CC+NDC) of the function switching entity (MSC/VLR or SGSN) of HLR by detecting user of current roaming ground at the row of (CC+NDC) information code tabulation of self storing, judges whether the function of exchange entity on user of current roaming ground supports the user type identification code; The row of (CC+NDC) information code tabulation of the i.e. HLR storage of (CC+NDC) if of the function of exchange entity on user of current roaming ground sign indicating number under this user, HLR can be handed down to this user's user type identification code the function of exchange entity (MSC/VLR or SGSN) on this user of current roaming ground, otherwise HLR does not just issue the function of exchange entity that the user type identification code is given this user of current roaming ground.
In addition, the attaching position register HLR under the user judges whether the function of exchange entity of user roaming place supports the process of user type identification code specifically to realize in the following way:
The 3G network side is when the process user location update request message, and the function of exchange entity that can support the user type identification code carries when the attaching position register HLR under the user sends location update request message and is used to represent support sign that the user type identification code is supported; And if the function of exchange entity that can not support the user type identification code does not just carry this support sign when the attaching position register under the user sends location update request message;
Whether the attaching position register HLR under the user supports sign to judge whether the function of exchange entity of user roaming place supports the user type identification code according to carrying in the location update request message.
In like manner, the support sign that the HLR of the function of exchange entity of user roaming place under the user sends equally neither protocol definition canonical parameter, so when the HLR of function of exchange entity under the user sends the support sign be used to represent self the user type identification code to be supported, meet whether can discern the problem that this supports indicates equally just before HLR.Because when the HLR of function of exchange entity (MSC/VLR or SGSN) under the user reports the support sign of oneself, but this user is the user of other networks or other countries, when the HLR of this user attaching does not support this support sign, also might cause more new technological process failure of position, HLR under the user can not issue the user type identification code and give the function of exchange entity, may cause normally access network of user equally.
At the problems referred to above, the method that network control user of the present invention inserts has proposed two kinds of solutions, and is as follows:
One, if the function of exchange entity of 3G network (MSC/VLR or SGSN) has reported the support sign of oneself in location update request message, when HLR can not discern this support sign, a kind of situation is possible ignore this support flags parameters, do not issue the user type identification code and give the function of exchange entity, but can not discern under the situation that the user still is 3G subscription for 2G user by the function of exchange entity, decide in its sole discretion and whether allow the user to insert.Whether specifically allow the user to insert by operator is provided with in function of exchange entity (MSC/VLR or SGSN).
Another situation is that HLR may think that this support sign is illegal parameter, directly feeds back illegal parameter response message and gives the function of exchange entity, and the function of exchange entity can be selected following two kinds of processing modes when receiving illegal parameter response message like this:
1) the function of exchange entity is directly refused this user access network;
2) the function of exchange entity is initiated position updating request with the location update request message of not carrying this support sign to HLR more again, to guarantee with Home Network the normal access network of user in other networks of roaming agreement being arranged.
Wherein specifically use which kind of processing mode to decide in its sole discretion by Virtual network operator.
They are two years old, stipulate according to agreement, the coding rule of user's international mobile subscriber identity IMSI is Mobile Country Code MCC (MCC, Mobile Country Code)+mobile network No. (MNC, Mobile NetworkCode)+mobile identification number (MSIN, Mobile Subscriber Identification Number), like this, function of exchange entity in the network can be discerned different customer groups by the MCC+MNC information code in user's the IMSI number, thereby affiliated attaching position register HLR can be supported the user's of described support sign information code (being the MCC+MNC sign indicating number) to be stored in the function of exchange entity with tabular form, therefore whether the information code (MCC+MNC sign indicating number) that the function of exchange entity can be by judging the user who sends location update request message is at the row of described user profile sign indicating number tabulation (being that the MCC+MNC information code is tabulated), if, the function of exchange entity just HLR under the user sends the location update request message of carrying the support sign, otherwise just the HLR under the user sends and does not carry the location update request message of supporting sign, cause the position updating request failure to avoid because the HLR under the user can not discern this support sign, make normally access network of user.
Be divided into following two kinds of situations when wherein 3G network side location update request message that the user is sent is handled again:
1), then user's location update request message is handled by the function of exchange entity (CS, Circuit Switched) of circuit commutative field and the HLR under the user if the user is linked into the circuit commutative field of 3G network; And the function of exchange entity of circuit commutative field generally promptly refers to moving exchanging center MSC and VLR Visitor Location Register (VLR, Visitor Location Register) in the 3G network system.
2) and if the user is linked into the packet-switched domain of 3G network, then user's location update request message is handled by the HLR under the function of exchange entity (PS, Packet Switched) of packet-switched domain and the user; And the function of exchange entity of packet-switched domain generally promptly refers to the service support node SGSN of GPRS packet communication subnet in the 3G network system.
Below only the location update request message that the user sends is treated to example with function of exchange entity by 3G network lateral circuit switching domain, the method principle that network control user of the present invention is inserted is described in detail.With reference to Fig. 3, this figure is in the method that network control user of the present invention inserts, and the VLR at user place supports user type identification code and HLR that the embodiment that supports sign to support is handled schematic diagram.The concrete processing procedure that its 3G network control 2G user inserts is as follows:
Step S31, the mobile subscriber sends location update request message (MM Location Updating Request) by the wireless access network UTRAN of 3G network to the MSC of roaming place, wherein carry this user's who preserves in its user's SIM card or the usim card IMSI number or the temporarily moved subscriber identifier (TMSI that previous access network distributes in the MM LocationUpdating Request message, Temporary MobileSubscriber Identity), and the location area information at this current place of user, wherein location area information comprises the LAI (Location Area Id, i.e. lane place ID) and the Cell ID (sub-district ID) at this present place of user.
Step S32, the MSC of user roaming place send the VLR that the location area updating message (MAP Update Location Area) that comprises this user IMSI number is given user visiting then.
Step S33, the VLR of user visiting send the location update message Location Update Location that comprises this user IMSI number then and arrive the affiliated HLR of this user.
Step S34, HLR detects the IMSI number that carries in the Location Update Location message, carry out the legitimacy authentication operations with identity to this user, if this IMSI number has record in the database of HLR, illustrate that then this user is a validated user, continue subsequent treatment, HLR is saved in user position information in the database simultaneously; Otherwise illustrate that this user is illegal user, HLR will not allow this user access network, and directly execution in step S39 sends refuse information.
Simultaneously HLR (CC+NDC) sign indicating number of judging the VLR that obtains sending Location Update Location message is at row of (CC+NDC) information code tabulation of self storage, just according to this user's IMSI Query Database, find the user type identification code that should the user and all kinds of business information of this user applies, will be encapsulated in the insertion subscriber data message (MAP Insert Subscriber Data) that will send to VLR the user type identification code that should the user and all kinds of business information of this user applies then.
Because not only preserve all kinds of business information among the HLR under this user to IMSI number, Mobile Subscriber International ISDN Number and this user applies that should the user, also preserve one simultaneously to user type identification code that should the user, being used to identify this user is 2G user or 3G subscription.When the user opens an account in the business hall, the instruction of opening an account is sent out to HLR in the business hall, wherein just comprise the user type identification code that comprises this user in this instruction of opening an account,, defaultly think that this user is 2G user if do not carry this user type identification code parameter in the instruction of opening an account of business hall.HLR receives to open an account to instruct and handles, if handle successfully, just will be kept in its data storehouse with these user-dependent all information, comprising this user type identification code.The user can also and then revise the user type identification code of its 2G user or 3G subscription by the business hall.
Step S35, HLR send to MAP Insert Subscriber Data message the VLR of user visiting.
Step S36, the VLR of user visiting judges that according to this user's who comprises in the MAP Insert Subscriber Data message user type identification code this access user is 2G user or 3G subscription; Drawing this user as judgement is that 2G user and 3G network are set to refuse 2G user's access, then goes to execution in step S40 feedback refuse information; As being that 2G user and 3G network are set to allow 2G user to insert, then continue execution in step S37.
Step S37, extract self unsupported business information in all kinds of business information that the VLR of user visiting comprises simultaneously in MAP Insert Subscriber Data message, and self unsupported business information that will extract is encapsulated in the insertion user data response message (MAP InsertSubscriber Data Ack) that will feed back to HLR.
Step S38, the VLR of user visiting give MAP Insert Subscriber Data Ack message feedback the HLR of this user attaching.
Step S39, HLR is according to the unsupported business information of VLR that comprises in the MAP Insert Subscriber Data Ack message, draw VLR and do not support which business, and then whether unsupported business information decision is wanted so limited this 2G user and insert 3G network according to VLR.And then HLR determine allow or refuse this 2G user and insert 3G network after, feedback position upgrades accepts (Location UpdateAccept) message or the VLR that refusal (Location Update Reject) message is given this user visiting is upgraded in the position.
Step S40, VLR and then feed back corresponding Location Update Accept message or LocationUpdate Reject message is given the MSC of this user roaming place.
Step S41, MSC again so that the wireless access network UTRAN by 3G network feed back corresponding Location Update Accept message or Location Update Reject message to the mobile subscriber, whether allow its access network to inform this mobile subscriber.
With reference to Fig. 4, this figure is in the method that network control user of the present invention inserts, and the VLR at user place supports the user type identification code and HLR handles schematic diagram to supporting unsupported first embodiment of sign.Concrete processing mode is as follows:
Step S51, the mobile subscriber sends location update request message (MM Location Updating Request) by the wireless access network UTRAN of 3G network to the MSC of roaming place;
Step S52, the MSC of user roaming place send the VLR that the location area updating message (MAP Update Location Area) that comprises this user IMSI number is given user visiting then.
Step S53, the VLR of user visiting sends location update message Location UpdateLocation then to the affiliated HLR of this user, comprises this user's IMSI number and the support sign that is used to represent that self supports the user type identification code in the Location Update Location message.
Step S54, HLR detects the IMSI number that carries in the Location Update Location message, carries out the legitimacy authentication operations with the identity to this user, and as legal continuation subsequent treatment, otherwise directly execution in step S59 sends refuse information; HLR can not discern the support sign that VLR sends simultaneously, so only all kinds of business information with this user applies are encapsulated in the insertion subscriber data message (MAP Insert Subscriber Data) that will send to VLR, and do not encapsulate this user's user type identification code.
Step S55, HLR send to MAP Insert Subscriber Data message the VLR of user visiting.
Step S56, VLR if allow, continues step S57 according to network direct permission being set or directly refusing this user and insert in advance; Otherwise execution in step S60.
Subsequent step S57 to step S61 with the step S37 among Fig. 3 to step S41, repeat no more here.
With reference to Fig. 5, this figure is in the method that network control user of the present invention inserts, and the VLR at user place supports the user type identification code and HLR handles schematic diagram to supporting unsupported second embodiment of sign.Concrete processing mode is as follows:
Step S71 to step S73 with the step S51 among Fig. 4 to step S53, repeat no more here.
Step S74, HLR detects the IMSI number that carries in the Location Update Location message, carries out the legitimacy authentication operations with the identity to this user, and as legal continuation subsequent treatment, otherwise directly execution in step S81 sends refuse information; HLR can not discern the support sign that VLR sends simultaneously, think that the support that VLR sends is masked as illegal parameter, so all kinds of business information of this user applies and illegal parameter response message are encapsulated in the insertion subscriber data message (MAPInsert Subscriber Data) that will send to VLR, and are not encapsulated this user's user type identification code.
Step S75, HLR send to MAP Insert Subscriber Data message the VLR of user visiting.
After step S76, VLR receive illegal parameter response message, directly refuse this user and insert, promptly direct execution in step S82; Perhaps continue subsequent step S77.
Step S77, the VLR of user visiting send location update message Location UpdateLocation once more to the affiliated HLR of this user, will not carry this support sign in the current Location Update Location message that sends.
Step S78, HLR issue the VLR that MAP Insert Subscriber Data message sends to user visiting once more.
Subsequent step S79 to step S83 with the step S37 among Fig. 3 to step S41, repeat no more here.
Certainly also can be among the VLR by (MCC+MNC) yard information list of sign indicating number information that its ownership HLR supports the user of described support sign is set, judge that further (MCC+MNC) information code in the user's who sends location update request message the IMSI number is whether at the row of (MCC+MNC) information code tabulation that is provided with, if, VLR just sends and supports sign to HLR, and not situation under VLR so that according to network set in advance the decision be direct refusing user's access network, still transmission is not carried the location area updating message of support sign to HLR once more, its concrete processing procedure is similar with the specific implementation process of above-mentioned each embodiment, no longer specifically gives unnecessary details here.
Above-mentioned just by the function of exchange entity (MSC and VLR) of 3G network lateral circuit switching domain and the HLR under the user location update request message that the user sends is treated to example, the method principle that network control user of the present invention is inserted elaborates.And come user's location update request message is handled with the concrete processing procedure that realizes the method that network control user of the present invention inserts similar to the above process by the HLR under the function of exchange entity (SGSN) of 3G network side packet-switched domain and the user, no longer too much give unnecessary details equally here.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (13)
1, a kind of method of network control user access is used for the processing that the control 2G user of 3G network system inserts, and it is characterized in that, comprises step:
The user type identification code that will be used for distinguishing 2G user and 3G subscription is stored in the attaching position register under the user;
Attaching position register under the user judges whether the function of exchange entity of user roaming place supports the user type identification code; And
Under situation about supporting, user's user type identification code is handed down to described function of exchange entity;
Described function of exchange entity is judged user's user type according to the user type identification code; And be that the user of 2G carries out access control to user type.
2, the method that inserts of network control user according to claim 1 is characterized in that, the information code that also comprises the function of exchange entity that can support the user type identification code is stored in the step of the attaching position register under the user with tabular form.
3, the method for network control user access according to claim 2, it is characterized in that whether described attaching position register judges at the row of function of exchange entity information sign indicating number tabulation whether the function of exchange entity of user roaming place supports the user type identification code according to the information code of the function of exchange entity that sends location update request message.
4, the method that inserts of network control user according to claim 3 is characterized in that, the information code of described function of exchange entity is that national code in the function of exchange entity identifier is in conjunction with the domestic network access code.
5, the method for network control user access according to claim 1 is characterized in that, also comprises step:
For supporting the function of exchange physical arrangements support sign of user type identification code;
Support the function of exchange entity of user type identification code when the attaching position register under the user sends location update request message, to carry described support sign.
6, the method for network control user access according to claim 5 is characterized in that, whether described attaching position register supports sign to judge whether the function of exchange entity supports the user type identification code according to carrying in the location update request message.
7, the method for network control user access according to claim 5 is characterized in that, also comprises step:
Affiliated attaching position register is supported the user's of described support sign information code be stored in the function of exchange entity with tabular form;
Whether the information code that described function of exchange entity is judged the user who sends location update request message determines whether sending carrying at the row of user profile sign indicating number tabulation supports the location update request message that indicates.
8, the method that inserts of network control user according to claim 7 is characterized in that, described user's information code is that Mobile Country Code MCC in user's international mobile subscriber identity is in conjunction with mobile network No..
9, the method for network control user access according to claim 5 is characterized in that, also comprises step:
Described attaching position register judges whether to discern described support sign; If judge according to described support sign whether the function of exchange entity supports the user type identification code; If not, then
Do not issue the user type identification code and give described function of exchange entity; Or
Issue illegal parameter response message and give described function of exchange entity.
10, the method for network control user access according to claim 9 is characterized in that, described function of exchange entity also comprises after receiving illegal parameter response message:
Function of exchange entity refusing user's inserts; Or
Resending not carry supports the location update request message that indicates to give the user affiliated attaching position register.
11, the method for network control user access according to claim 9, it is characterized in that, also be included in when not receiving the user type identification code that attaching position register issues, described function of exchange entity directly allows or the step of refusing user's access network.
12, the method that inserts of network control user according to claim 1 is characterized in that, the described process that 2G user is carried out access control further comprises:
Set in advance and allow 2G user to insert 3G network; Or
Refusal 2G user inserts 3G network;
Described function of exchange entity allows or the refusing user's type is that the user of 2G inserts 3G network according to described setting in advance.
13, according to any method that described network control user inserts of claim 1～12, it is characterized in that,
Mobile switching centre and VLR Visitor Location Register that described function of exchange entity is the 3G network circuit commutative field; Or
Serving GPRS Support Node for the 3G network packet-switched domain.
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| EP2259629B1 (en) * | 2006-02-13 | 2013-04-24 | Research In Motion Limited | Method and apparatus for selecting a wireless communication network at a mobile station |
| WO2011106942A1 (en) * | 2010-03-05 | 2011-09-09 | Huawei Technologies Co.,Ltd. | Network entity and method for providing a service for at least a user entity in a communication network |
| CN102421086B (en) * | 2010-09-28 | 2014-07-02 | 中兴通讯股份有限公司 | Location updating method and system of dual-mode and dual-standby terminal |
| CN103797824B (en) * | 2012-07-09 | 2017-10-24 | 华为技术有限公司 | The method of location updating, apparatus and system |
| CN103906057B (en) * | 2012-12-27 | 2017-12-05 | 华为技术有限公司 | User access method, access server and WLAN access point |
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