CN112887959A - Method for realizing distributed WCDMA user roaming data synchronization - Google Patents
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Abstract
The invention discloses a method for realizing the synchronization of the roaming data of distributed WCDMA users, which relates to the field of mobile communication WCDMA core networks, wherein each distributed WCDMA of the method for realizing the synchronization of the roaming data of the distributed WCDMA users adopts a relatively independent deployment scheme, each WCDMA core network comprises a home subscriber register HLR which is used for opening an account and storing the legal user data of a local distributed WCDMA network, and the users can normally register in the WCDMA network and carry out related services, and if an unknown user does not open an account in the HLR, the unknown user can not register in the network. The method for realizing the roaming data synchronization of the distributed WCDMA users adds a network element module DLR for user data synchronization and attribution inquiry on the basis of the original distributed WCDMA core network HLR, and realizes the functions of switching and roaming between different networks and the like of the users.
Description
Technical Field
The invention relates to the field of mobile communication WCDMA core network, in particular to a method for realizing the roaming data synchronization of distributed WCDMA users.
Background
The traditional WCDMA mobile communication technology adopts a tree-shaped centralized network architecture, large-scale core network control equipment is intensively and massively deployed in one place, relevant control signaling and service data of mobile communication are gathered from bottom to top to be processed in a core network layer from bottom to top by a bottom layer in a first-level mode, the quantity of wireless service data is greatly increased along with the rapid development of internet services, the transmission of the traditional network architecture and the service pressure of the core network are multiplied, the deployment of a distributed small-capacity WCDMA wireless private network is based on solving the voice, short message and data services and special application scenes in a part of small area ranges, the wireless private network system based on the distributed architecture is not suitable for the application scenes of the small-sized wireless private networks due to the reasons that the cost is too high, the network topology is complex, the network equipment occupies a large amount of space, consumes a large amount of energy and the like, and the wireless private network system based on the distributed architecture is based, The characteristics of flexibility and the like are more suitable for application markets of the wireless private networks, but the distributed core networks adopt independent network architectures, and each core network is relatively independent, so that the user data between the core networks cannot be synchronized, and the switching and roaming of users between different networks are influenced.
The WCDMA core network mainly comprises network entities such as MSC, SGSN, MGW, GGSN, HLR and the like, wherein the HLR (home subscriber location register) is used for storing user data for opening an account under a local distributed WCDMA network, the HLR is centrally deployed in the traditional network architecture, one or more network element entities such as MSC and the like are connected to the HLR in the same area, a tree-shaped architecture is adopted, and the cost of the large-scale core network is too high to be suitable for a small-sized wireless private network scene. Based on the architecture of the distributed core network, each network is independently deployed, the network is miniaturized, the cost is greatly reduced, but the relatively independent network deployment causes that a private network user cannot realize functions of roaming, switching and the like among a plurality of distributed WCDMA core networks.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method for realizing the synchronization of the roaming data of the Distributed WCDMA users, which adds a network element module DLR (Distributed Location Register) for the user data synchronization and the home inquiry on the basis of the original Distributed WCDMA core network HLR, so as to realize the functions of the user such as switching and roaming between different networks.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the method for realizing the roaming data synchronization of the distributed WCDMA users comprises that each distributed WCDMA adopts a relatively independent deployment scheme, each WCDMA core network comprises a home subscriber register HLR which is used for opening an account and storing legal user data of a local distributed WCDMA network, the users can normally register in the local WCDMA network and carry out related services, and if an unknown user who does not open an account in the HLR cannot register in the network. Different distributed WCDMA are relatively independent, when a legal user A1 of the WCDMA-A network roams to the WCDMA-B network and initiates registration, but the WCDMA-B network does not have the account opening data of the user A1, which causes that the authentication fails when the user A1 initiates registration to the WCDMA-B network again, the user A1 cannot register to the WCDMA-B network, the distributed WCDMA network adds a DLR module function (distributed location register) on the basis of the original HLR network element for storing user data, and the DLR module is mainly used for synchronizing and managing the user roaming data among a plurality of distributed WCDMA core networks. The user data stored by the DLR module comprises other user data of HLR in a plurality of distributed WCDMA core networks associated with the DLR besides the user data of the network.
In A network architecture formed by three distributed WCDMA independent networks, namely, DLR of each WCDMA distributed network stores user datA of 2 other distributed WCDMA networks, HLR stores user datA of the network, namely DLR-A (DLR-A-HLR-B + HLR-C), DLR-B (DLR-B-HLR-A + HLR-C) and DLR-C (HLR-A + HLR-B), DLR of each distributed WCDMA core network is used for A user datA synchronization mechanism and A user attribution inquiry mechanism, if HLR-A of the WCDMA core network increases or decreases users, HLR-A updates the user datA of HLR-A, and simultaneously, the updated user datA is synchronized to other DLRs in the associated network through DLR-A to be stored. The data stored by the DLR comprises synchronous management data and attribution inquiry data, 1, the content stored by the synchronous management data is DLR-ID (DLR whole network unique identification number) and DLR-IP (HLR IP address), and the DLR-ID and the DLR-IP correspond to each other one by one and are used for inquiring other WCDMA networks managed by the network when the data is synchronous. 2. The data content of the attribution inquiry user is HLR-IP (DLR-IP) and IMSI (international mobile subscriber identity), and the DLR mainly has the function of solving the problem of how to inquire the attribution HLR when a user who is not an HLR account opening of the network roams to the network and initiates registration to the WCDMA network. After the DLR inquires the home HLR according to the stored user data, the network initiates a registration request to the home HLR of the home network.
A distributed WCDMA network realizes the mechanism of user datA synchronization and inquiry, A WCDMA network comprises 3 distributed WCDMA networks, wherein A user A1 opens an account at HLR-A of the WCDMA-A network, HLR-A synchronizes the account opening datA of the user A1 to DLR-B and DLR-C through DLR-A, the user A1 roams to the WCDMA-B network from the WCDMA-A network and initiates A registration request, after the WCDMA-B core network receives the registration request of the user A1, firstly, the HLR-B of the WCDMA-B inquires whether the datA of the user A1 is the account opening datA of the network, the HLR-B inquires that the datA is not the account opening datA of the network, the HLR-B inquires that the user is the user of the management network, the DLR-B inquires that the A1 user is the account opening datA of the HLR-A, the DLR-B returns the HLR-IP corresponding to the HLR-B by the IMSI of the user A1, after HLR-B receives the response of DLR-B and addresses HLR-A according to the IP address of HLR-IP, HLR-B initiates an authentication request of user A1 to HLR-A, HLR-A receives the request initiated by HLR-B, inquires that user A1 is the HLR-A user, replies an authentication response to HLR-B, and user A1 is registered successfully after WCDMA-B authentication is passed. The user a1 roams to the WCDMA-B to normally use the mobile communication service of the WCDMA-B network.
The beneficial effect of adopting above technical scheme is: the method for realizing the roaming data synchronization of the distributed WCDMA users adopts a newly added DLR (distributed location register) user data synchronization mechanism and a user data attribution inquiry mechanism of the distributed WCDMA, can enlarge the application range of the distributed WCDMA independent network, can form a large WCDMA network by a plurality of distributed WCDMA independent networks, realizes interconnection of originally isolated networks by the invention, and solves the problems of cross-network roaming access and the like.
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The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a DLR data synchronization mechanism diagram;
FIG. 2 is a DLR Home subscriber query engine diagram;
fig. 3 is a flow chart of WCDMA user roaming registration.
Detailed Description
The following describes a preferred embodiment of the method for implementing roaming data synchronization of distributed WCDMA users in detail with reference to the accompanying drawings.
Fig. 1, fig. 2 and fig. 3 show the specific implementation of the method for implementing the roaming data synchronization of the distributed WCDMA user according to the present invention:
with reference to fig. 1, fig. 2 and fig. 3, the method for implementing roaming data synchronization of distributed WCDMA users includes that each distributed WCDMA employs a relatively independent deployment scheme, each WCDMA core network includes a home subscriber register HLR for opening an account and storing legal user data of the local distributed WCDMA network, and these users can normally register in the local WCDMA network and perform related services, and if an unknown user who does not open an account in the HLR cannot register in the network. The relative independence between different distributed WCDMA networks, the legal user A1 in the WCDMA-A network roams to the WCDMA-B network and initiates registration, but the network of the WCDMA-B does not have the account opening data of the user A1, which causes the authentication failure when the user A1 initiates registration to the WCDMA-B network again, and the user A1 cannot register to the network of the WCDMA-B. Traditional operators adopt a centralized WCDMA network architecture, adopt a standard GSM-MAP protocol between MSC (mobile switching center) and HLR to forward a roaming protocol through STP (signaling transfer point), and can realize that users roam from a network controlled by MSC1 to a network controlled by MSC2, which is suitable for a large-scale operator network aiming at the traditional centralized network architecture, but a WCDMA miniaturized network based on a distributed architecture is not suitable for the network architecture. In order to solve the above problems, the distributed WCDMA network adds a DLR module function (distributed location register) on the basis of the original HLR network element for storing user data, and the DLR module is mainly used for synchronizing and managing user roaming data among a plurality of distributed WCDMA core networks. The user data stored by the DLR module comprises other user data of HLR in a plurality of distributed WCDMA core networks associated with the DLR besides the user data of the network.
In A network architecture composed of three distributed WCDMA independent networks, namely, DLR of each WCDMA distributed network stores user datA of 2 other distributed WCDMA networks, HLR stores user datA of the network, namely DLR-A ═ HLR-B + HLR-C, DLR-B ═ HLR-A + HLR-C, DLR-C ═ HLR-A + HLR-B, DLR of each distributed WCDMA core network is used for A user datA synchronization mechanism and A user attribution inquiry mechanism, if HLR-A of WCDMA core network increases or decreases users, HLR-A updates the user datA of HLR-A and synchronizes the updated user datA to other DLRs in the associated networks through DLR-A for storage, such as the new user of HLR-A, HLR-A synchronizes the new user to other associated DLRs through DLR-A, the DLR discovers that DLR-A is associated with DLR-B and DLR-C through inquiry, so that the DLR-A synchronizes the newly added users to the DLR-B and the DLR-C, and each distributed WCDMA network stores the latest user datA of the whole system network. The datA stored by DLR includes synchronous management datA and attribution inquiry datA, 1, the content stored by the synchronous management datA is DLR-ID (DLR entire network unique number) and DLR-IP (HLR IP address), the DLR-ID is corresponding to DLR-IP one by one, and is used for inquiring other WCDMA networks managed by the network when the datA is synchronous, for example, the synchronous management datA stored by DLR-A is DLR-B-192.168.1.3 and DLR-C-192.168.1.4, when the HLR-A has A user to be updated, the related user datA is required to be updated to DLR-B and DLR-C by DLR-A, 2, the content of attribution inquiry user datA is HLR-IP (DLR-IP) and IMSI (international mobile subscriber identity), the DLR mainly has the function of solving the problem that the user not opened by HLR of the network roams to the WCDMA network to initiate registration, how to query the home HLR. After the DLR inquires the home HLR according to the stored user data, the network initiates a registration request to the home HLR of the home network.
For example, DLR-A stores the number of users 192.168.1.3(DLR/HLR-IP) -460301234567801(IMSI),192.168.1.4(DLR/HLR-IP) -460301234567802(IMSI), when 460301234567802 the user registers in WCDMA-A network, HLR-A inquires the user not the home HLR account opening user, HLR-A inquires whether DLR-A inquires the user is the user of the related management network, DLR-A inquires IMSI to find that the user is the management network user, the IP address of home HLR is 192.168.1.4 (the user of DLR/HLR-C), and initiates the registration request of the user to home HLR-C according to the IP address.
A distributed WCDMA network realizes the mechanism of user datA synchronization and inquiry, A WCDMA network comprises 3 distributed WCDMA networks, wherein A user A1 opens an account at HLR-A of the WCDMA-A network, HLR-A synchronizes the account opening datA of the user A1 to DLR-B and DLR-C through DLR-A, the user A1 roams to the WCDMA-B network from the WCDMA-A network and initiates A registration request, after the WCDMA-B core network receives the registration request of the user A1, firstly, the HLR-B of the WCDMA-B inquires whether the datA of the user A1 is the account opening datA of the network, the HLR-B inquires that the datA is not the account opening datA of the network, the HLR-B inquires that the user is the user of the management network, the DLR-B inquires that the A1 user is the account opening datA of the HLR-A, the DLR-B returns the HLR-IP corresponding to the HLR-B by the IMSI of the user A1, after HLR-B receives the response of DLR-B and addresses HLR-A according to the IP address of HLR-IP, HLR-B initiates an authentication request of user A1 to HLR-A, HLR-A receives the request initiated by HLR-B, inquires that user A1 is the HLR-A user, replies an authentication response to HLR-B, and user A1 is registered successfully after WCDMA-B authentication is passed. The user a1 roams to the WCDMA-B to normally use the mobile communication service of the WCDMA-B network.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept of the present invention, which falls into the protection scope of the present invention.
Claims (1)
1. A method for realizing roaming data synchronization of distributed WCDMA users is characterized in that: the method for realizing the synchronization of the roaming data of the distributed WCDMA users comprises that each distributed WCDMA adopts a relatively independent deployment scheme, each WCDMA core network comprises a home subscriber register HLR which is used for opening an account and storing legal user data of the local distributed WCDMA network, the users can normally register and carry out related services under the local WCDMA network, if an unknown user who does not open an account at the HLR can not register on the network, different distributed WCDMA networks are relatively independent, the legal user A1 of the WCDMA-A network roams to the WCDMA-B network and starts registration, but the WCDMA-B network does not have the account opening data of the user A1, so that when the user A1 starts registration to the WCDMA-B network, the authentication fails, the user A1 can not register on the WCDMA-B network, and the distributed WCDMA network adds DLR module function (distributed location register) on the basis of the original network element of the HLR for storing the user data The module is mainly used for synchronizing and managing user roaming data among a plurality of distributed WCDMA core networks, and the user data stored by the DLR module comprises other user data of the HLRs in the plurality of distributed WCDMA core networks associated with the DLR except the user data of the network;
in A network architecture composed of three distributed WCDMA independent networks, namely, DLR of each WCDMA distributed network stores user datA of 2 other distributed WCDMA networks, HLR stores user datA of the network, namely DLR-A ═ HLR-B + HLR-C, DLR-B ═ HLR-A + HLR-C, DLR-C ═ HLR-A + HLR-B, DLR of each distributed WCDMA core network is used for A user datA synchronization mechanism and A user attribution inquiry mechanism, if HLR-A of WCDMA core network increases or decreases users, HLR-A updates the user datA of HLR-A and synchronizes the updated user datA to other DLRs in the associated network through DLR-A to be stored, the datA stored by DLR comprises synchronous management datA and attribution inquiry datA, 1, the content stored by the synchronous management datA is DLR-ID (DLR whole network unique identifier) and DLR-IP (IP-IP HLR) (unique identifier for DLR-ID (DLR whole network) Address), DLR-ID corresponds to DLR-IP one-to-one, used for inquiring other WCDMA networks managed by the network when synchronizing data, 2, home inquiry user data content is HLR-IP (DLR-IP) and IMSI (international mobile subscriber identity), DLR mainly functions to solve the problem that how to inquire home HLR when a user who is not HLR account opening of the network roams to the network and initiates registration to the WCDMA network, DLR inquires home HLR according to stored user data, and then the network initiates a registration request to HLR of the home network;
a distributed WCDMA network realizes the mechanism of user datA synchronization and inquiry, A WCDMA network comprises 3 distributed WCDMA networks, wherein A user A1 opens an account at HLR-A of the WCDMA-A network, HLR-A synchronizes the account opening datA of the user A1 to DLR-B and DLR-C through DLR-A, the user A1 roams to the WCDMA-B network from the WCDMA-A network and initiates A registration request, after the WCDMA-B core network receives the registration request of the user A1, firstly, the HLR-B of the WCDMA-B inquires whether the datA of the user A1 is the account opening datA of the network, the HLR-B inquires that the datA is not the account opening datA of the network, the HLR-B inquires that the user is the user of the management network, the DLR-B inquires that the A1 user is the account opening datA of the HLR-A, the DLR-B returns the HLR-IP corresponding to the HLR-B by the IMSI of the user A1, after HLR-B receives the response of DLR-B and addresses HLR-A according to the IP address of HLR-IP, HLR-B initiates an authentication request of user A1 to HLR-A, HLR-A queries user A1 as the HLR-A user after receiving the request initiated by HLR-B, and replies an authentication response to HLR-B, user A1 successfully registers after the authentication of WCDMA-B is passed, and user A1 can normally use the mobile communication service of WCDMA-B network when roaming to WCDMA-B.
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| CN1671241A (en) * | 2004-03-18 | 2005-09-21 | 华为技术有限公司 | A method for implementing limitation of roaming between networks of different types |
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