KR20120112958A - System for controlling data service in international roaming and method using the same - Google Patents

System for controlling data service in international roaming and method using the same Download PDF

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Publication number
KR20120112958A
KR20120112958A KR1020110030573A KR20110030573A KR20120112958A KR 20120112958 A KR20120112958 A KR 20120112958A KR 1020110030573 A KR1020110030573 A KR 1020110030573A KR 20110030573 A KR20110030573 A KR 20110030573A KR 20120112958 A KR20120112958 A KR 20120112958A
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South Korea
Prior art keywords
data
data transmission
service
location register
roaming
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KR1020110030573A
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Korean (ko)
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장용석
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에스케이텔레콤 주식회사
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Priority to KR1020110030573A priority Critical patent/KR20120112958A/en
Publication of KR20120112958A publication Critical patent/KR20120112958A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H04W48/04—Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction, speed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

PURPOSE: A data service control system in international roaming and method using the same are provided to unquestioningly block the data transmission of a user terminal using a control procedure. CONSTITUTION: A data management apparatus(100) stores and manages the subscriber information of an additional service for managing data transmission. An HLR(Home Location Register)(200) stores the subscriber information of an additional service received from the data management apparatus. A gateway location register(300) determines whether a user terminal is permitted to transmit data based on the subscriber information of the additional service. An exchange apparatus(500) blocks or permits data transmission according to the gateway location register. [Reference numerals] (10) Home network; (100) Data management apparatus; (20) International communication network; (200) Home location register; (30) Roaming network; (300) Gate location register; (400) Authentication apparatus; (500) Exchange apparatus; (600) User terminal; (AA) First communication network; (BB) Second communication network

Description

SYSTEM FOR CONTROLLING DATA SERVICE IN INTERNATIONAL ROAMING AND METHOD USING THE SAME

The present invention relates to a data service control system for an international roaming user terminal in a mobile communication network and a method using the same. More specifically, by allowing or blocking data transmission of an international roaming user terminal through a predetermined control procedure, The present invention relates to a data service control system for an international roaming user terminal capable of promoting billing efficiency and user convenience for data service use during international roaming, and a method using the same.

With the recent rapid development of electronic engineering and communication engineering, mobile communication terminals have various functions. That is, with the rapid development of wireless communication and data processing technology, people can use not only voice calls but also Internet access, video communication and video message transmission using mobile communication terminals. Also, due to the rapid spread of mobile communication terminals, mobile communication terminals are becoming an essential communication means in modern life, such as a considerable amount of communication occurring in human relationships through user terminals.

Among various additional services other than the voice call service, services using a data network, such as a wireless Internet access service or a data service, usually charge an additional fee to the user in addition to the basic fee. In particular, due to the activation of the smart phone due to the automatic data call connection by the application, the use of the data service occurs without the user knows that the unwanted charges occur. These data services are more problematic because of the higher cost of use when roaming internationally.

In addition, in using a data service, which is relatively expensive, of these problems, access to the data service with a replica phone that illegally duplicates the terminal to use the service illegally and the service usage fee is charged to other users. Back damage is occurring.

The present invention has been made to solve the above problems, and an object thereof is to control a data addition service for an international roaming user terminal.

It is another object of the present invention to unconditionally block data transmission of a user terminal in which international roaming of a subscriber subscribed to a roaming data transmission blocking service is confirmed through a predetermined control procedure, thereby improving efficiency and user convenience of data service transmission. have.

Another object of the present invention is to improve the efficiency and user convenience of data service transmission by allowing data transmission of a user terminal in which international roaming of subscribers subscribed to the roaming data transmission restriction service is confirmed up to a certain upper limit through a predetermined control procedure. There is.

To this end, according to a first aspect of the present invention, there is provided a data service control system for international roaming, comprising: a data management device for managing and storing subscriber information of an additional service for managing data transmission when roaming; A home location register for storing subscriber information of an additional service received from the data management device; A gateway location register that determines whether to allow data transmission from the user terminal based on subscriber information of the additional service; And a switching device that allows or blocks data transmission according to the determination of whether to allow data transmission of the gateway location register.

The data service control system at the time of international roaming according to the present invention is characterized in that it further comprises an authentication device for performing user authentication when requesting data transmission from a user terminal.

According to a second aspect of the present invention, a data management apparatus for managing subscriber information of an additional service, comprising: a database storing subscriber information of an additional service for managing data transmission when roaming; A home location register interworking unit for transmitting subscriber information of an additional service stored in the database to a home location register; A data amount monitoring unit configured to monitor an amount of data transmitted when data transmission from the roamed user terminal is performed; And a message generator for generating a notification message according to the monitoring result.

The additional service of the subscriber includes a roaming data call blocking service, and the roaming data call blocking service is a service for blocking a data call from an international roaming user terminal.

The additional service of the subscriber includes a roaming data origination restriction service, and the roaming data origination restriction service is a service for checking an amount of data originating from an international roaming user terminal and blocking an outgoing data call when there is no outgoing data volume. It is characterized by.

The roaming data transmission limit service monitors the amount of outgoing data of the user terminal, and blocks the ongoing call when the amount of data transmitted from the international roaming user terminal exceeds a predetermined upper limit.

The data management device may update the additional information of the subscriber and transmit the updated additional service information of the subscriber to the home location register when a request for releasing the roaming data related additional service is received from the international roaming user terminal.

According to a third aspect of the present invention, there is provided a data transmission control method of a roaming data transmission blocking service, comprising: a transmission request reception step of accepting a data transmission request from a user terminal whose roaming device is internationally roamed and has completed location registration; A service subscription confirmation step of confirming that the subscriber has subscribed to the roaming data transmission blocking service through the additional service profile information in the gateway location register receiving the data transmission request message; An originating block message transmitting step of the gateway location register transmitting an originating blocking message to a switching device to block data originating from a user terminal subscribed to a roaming data originating blocking service; And a data transmission blocking step for blocking the transmission of data by the user terminal by the exchange device receiving the transmission blocking message.

The method for controlling data transmission of the roaming data transmission blocking service includes: a user authentication request step of transmitting, by the exchange device, the user request for transmission, a user authentication request message for user authentication to an authentication device; A user authentication step of authenticating the user by the authentication device receiving the user authentication request message; And a data transmission request step data transmission control method, wherein the authentication device transmits a data transmission request message to the gateway location register according to a user authentication result in the authentication step.

According to a fourth aspect of the present invention, there is provided a data transmission control method of a roaming data transmission restriction service, comprising: a transmission request reception step of accepting a data transmission request from a user terminal whose roaming device is internationally roamed and has completed location registration; A service subscription confirming step of confirming that a subscriber of the user terminal is subscribed to a roaming data origination restriction service through an additional service profile information of a gateway location register receiving the data origination request message; A data amount checking step of confirming an amount of data that can be sent from the user terminal when the gateway location register confirms that the roaming data transmission limit service is subscribed to in the service subscription confirmation step; The gateway location register is a data transmission related message transmission step of transmitting a data transmission related message for allowing or blocking data transmission according to the amount of data that can be transmitted; And a data sending allow or block step of allowing the switching device receiving the data sending related message to allow or block data sending according to the data sending related message.

The data amount checking in the data amount checking step may be performed by subtracting the amount of data sent from a predetermined amount of data that can be sent when the service is subscribed.

In the data transmission-related message transmission step, the gateway location register transmits a data permission message to the switching device and the data management device when there is an amount of data that can be transmitted, and transmits a data blocking message to the switching device when there is no data that can be transmitted. It is characterized by.

The method for controlling data transmission of the roaming data transmission restriction service includes: a user authentication request step of transmitting, by an exchange device, a user authentication request message for user authentication to an authentication device; A user authentication step of authenticating the user by the authentication device receiving the user authentication request message; The authentication device further comprises a data transmission request step of transmitting a data transmission request message to the gateway location register according to the user authentication result in the authentication step.

When the data management device receives the call notification message, the data management device monitors the amount of data sent from the corresponding user terminal, and when data transmission from the corresponding user terminal is terminated, checks the remaining amount of call and updates the subscriber information. do.

During the monitoring, if there is no data amount that can be transmitted, the data blocking message is transmitted to the switching device.

In the user authentication step, for authenticating a user, the authentication device performs user authentication by comparing user authentication information stored in a gateway location register with user authentication information received from the user terminal.

If the subscriber information is changed due to the registration, change, or cancellation of the subscriber's supplementary service or by the change of the amount of data that can be sent by sending data, the data management device updates the subscriber information in its database, and the subscriber information of the changed supplementary service. To the home position register.

The home location register receiving the changed subscriber information of the additional service updates the subscriber information of the additional service and transmits the changed subscriber information to the gateway location register.

According to the present invention, when a user terminal subscribed to a roaming data call blocking service is roamed internationally, blocking of data sending prevents unwanted data sending due to automatic data call connection by an application.

In addition, according to the present invention, when a user terminal subscribed to the roaming data transmission restriction service roams internationally, if the amount of data transmitted exceeds a certain amount, it is effective to automatically block data transmission so that excessive roaming charges are not charged. .

The present invention has the effect of providing a data service control system for international roaming that can maintain compatibility with existing mobile communication systems.

In addition, the present invention has the effect of providing a data service control method for international roaming that can allow or block data service roaming according to user selection.

1 is a block diagram of an international roaming data service control system for controlling data transmission for an international roaming user terminal according to an embodiment of the present invention.
2 is a flowchart illustrating a location registration procedure of an international roaming user terminal according to an embodiment of the present invention;
3 is a flowchart illustrating a method of controlling a roaming data transmission blocking service for an international roaming user terminal according to an embodiment of the present invention.
4 is a flowchart illustrating a method for controlling a roaming data origination restriction service for an international roaming user terminal according to an embodiment of the present invention.
5 is a flowchart illustrating a method of controlling a roaming data origination restriction service for an international roaming user terminal according to another embodiment of the present invention.
FIG. 6 is a flowchart illustrating a method of controlling roaming data transmission for an international roaming user terminal when canceling at least one of a roaming data transmission blocking service and a roaming data transmission restriction service according to an embodiment of the present invention; FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The configuration of the present invention and the operation and effect thereof will be clearly understood through the following detailed description. Prior to the detailed description of the present invention, the same components will be denoted by the same reference numerals even if they are displayed on different drawings, and the detailed description will be omitted when it is determined that the well-known configuration may obscure the gist of the present invention. do.

Hereinafter, a preferred embodiment of a data service control system during international roaming and a method using the same for controlling data transmission for international roaming user terminals according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of an international roaming data service control system for controlling data transmission for an international roaming user terminal according to an embodiment of the present invention.

In more detail, the international roaming data control system of FIG. 1 may include a home network 10, an international communication network 20, and a roaming network 30. The home network 10 includes a data management device 100 and a home location register (HLR) 200, and the international communication network 20 includes an international circuit and an international signal network. The roaming network 30 includes a gateway location register (GLR) 300, an authentication device 400, and an exchange device 500.

The data management device 100 stores and manages additional service profile information (also referred to as subscriber information) of a subscriber and monitors and manages data transmission from the user terminal 600 according to the additional service profile information. More specifically, when the additional service profile information of the subscriber is changed, the changed information is transmitted to the home location register 200, and a message is transmitted to allow or block data transmission according to the changed additional service profile information of the subscriber.

More specifically, the data management device 100 includes a database, a home location register interlocking unit, a monitoring unit, and a message generating unit,

The database serves to store subscriber information of an additional service for managing data transmission when roaming.

The home location register interworking unit transmits subscriber information of an additional service stored in the database to a home location register.

The monitoring unit monitors the amount of data to be sent when data is transmitted from the roamed user terminal.

The message generator is responsible for generating a notification message according to the monitoring result.

Here, the additional service includes a roaming data transmission blocking service and a roaming data transmission restriction service. Roaming data transmission blocking service is a service that blocks outgoing data call from the subscriber's user terminal during international roaming, roaming data transmission restriction service defines the upper limit of the amount of data that the subscriber can send, allowing only the data transmission of the specified data amount In addition, blocking the call when the amount of data exceeds the limit, as well as blocking the progress call when the amount of data is exceeded even when a data call is in progress, restricts the data to be sent only by the amount of data specified by the user.

The home location register 200 is a subscriber's master database and maintains basic information related to the subscriber (hereinafter referred to as subscriber information). For example, the home location register 200 may include subscriber telephone numbers, subscriber address information, network access control information for security and authentication of subscribers, subscriber location registration information, mobility information between heterogeneous systems, that is, roaming information and subscriber additional services. Profile information can be maintained. In addition, when receiving the location registration request message from the international roaming user terminal 600, the additional service profile information of the subscriber corresponding to the user terminal 600 is transmitted to the switching device 500 through the gateway location register.

The international communication network 20 includes an international circuit and an international signal network.

In this case, the International Circuit Network (ISDN) User Specification (ISDN) protocol standard defined by ITU-T may be used, and the home network 10 and the roaming network 20 are connected to the communication line through the ISUP protocol. Voice and data can be transmitted or received over the established line, as well as control procedures related to setting / changing / releasing.

The gateway location register 300 is a virtual home location register located in the roaming network. The gateway location register 300 receives subscriber information of the home network 10 roamed in the roaming network from the home location register 200 and stores the subscriber information in its database and manages the location of the corresponding user terminal 600. do. The gateway location register 300 is temporarily established in the roaming network while the user terminal 600 is roaming. In other words, the gateway location register 300 stores the subscriber data acquired from the home location register 200 of the home network 10 while performing the location registration procedure and controlling the origination of the user terminal at the registered location. Do this.

In particular, when changing the position of the user terminal 600, the home position register 200 and the gateway position register 300, the home position register 200 of the home network 10 is a roaming subscriber's user terminal roaming When receiving the location registration request message originated by, for example, information on the PLMN ID (Public Land Mobile Network Identity) changed in accordance with international roaming, the exchange device identification number, and stores the location information of the subscriber station, Some or all of the subscriber's additional service profile information including the subscriber information may be transmitted to the switching device 500 of the roaming network through the gateway location register 300.

The authentication device 400 is a device that provides the user's computer resource access processing and service provision, authentication, authorization, and charge calculation functions. When the authentication device 400 receives a user authentication request for origination, the gateway location register 300 is provided. ), User authentication can be performed by receiving subscriber information related to user authentication, receiving user authentication information from a user terminal, and comparing the two.

Here, the authentication information may be an arbitrary password designated by the user, may be a unique identification number assigned to the user terminal, or an OTP generated by an one-time password (OTP) application downloaded from the authentication apparatus to the user terminal. It may be. Before authentication, however, an appointment must be made between the authentication device and the user terminal as authentication information.

When the user authentication procedure is completed, the authentication device 400 also queries the gateway location register 300 about the subscriber origination permission / blocking and transmits a response message to the gateway device 500.

When the user authentication is replaced by hardware authentication of the user terminal, the authentication device 400 may be removed and implemented in the entire data service control system. In this case, the switching device 500 may query the gateway location register 300 directly for subscriber origination allow / block.

The switching device 500 functions as a central control for processing signals received and received at each mobile telephone base station and adjusting the mobile telephone base station to be efficiently operated. Switching apparatus 500 using a standard telephone signal controls the wireless link and the wired link, and also serves to connect between the user terminal and a fixed telephone network (mobile telephone base station) or with another communication network. Switching device 500 is a control function necessary for the efficient operation of the mobility and frequency resources of the user terminal, the system operation, maintenance function and record storage function for billing processing, a database containing information about the mobile telephone exchange, etc. are also included. .

On the other hand, the visitor location register may be included in the exchange apparatus 500. The visitor location register may or may not be located inside the switching device 500, and may not be distinct from any switching device 500 mobile switching center. It is also possible to serve more than one exchange device 500. When the exchange device 500 is distributed by region, a visitor location register record is generated when a specific subscriber moves out of the home Executive Cellular Processor (ECP) area to which he is subscribed to another ECP area. Mutual service roaming information can be exchanged, allowing calls to be made without regional restrictions. The visitor location register is a record that is frequently generated and destroyed as the subscriber moves between ECPs. The visitor location register contains information on the current location of the subscriber who is in the process of switching service rights.

Although the embodiment of the present invention has been described as a 3G network, the same applies to other generation networks such as 4G. For example, Long Term Evolution (LTE), which is one of 4G, will be described. In the LTE network, an Evolved Packet Core (EPC) performs data transmission from the user terminal 600 according to whether the gateway location register 300 permits data transmission. You can allow or block it.

The user terminal 600 performs a data call according to a call, a call, a wireless Internet, and a data service through a communication network. The user terminal includes a personal communication service (PCS) phone, a personal digital assistants (PDA) phone, a global system for mobile communications (GSM) phone, a wideband code division multiple access (WCDMA) phone, a smartphone, and the like.

Next, FIG. 2 is a flowchart illustrating a location registration procedure of an international roaming user terminal in the system of FIG. 1.

First, when the user terminal 600 roams internationally, the data service control system registers location information of the user terminal 600. The location information registration process is as follows.

When roaming internationally, the user terminal 600 transmits a location registration request message to the switching device 500 located in the roaming network (S110).

The exchange apparatus 500 retrieves subscriber information for the user terminal 600 from its database, and transmits the received location registration request message to the gateway location register 300 when there is no subscriber information to be retrieved ( S120).

The gateway location register 300 stores the exchange device identification number included in the received location registration request message and then transmits the location registration request message to the home location register 200 of the home network 100 (S130).

The home location register 200 compares the location information (exchange device identification number) included in the received location registration request message with the previously stored location information, and if the location information is different from each other, the home location register 200 is the location information included in the received location registration request message. The location is registered and the location registration response message is transmitted to the user terminal 600 through the gateway location register 300 and the exchange apparatus 500 (S140). In addition, the home location register 200 retrieves the subscriber information and transfers the retrieved subscriber information to the gateway location register 300.

When the user terminal 600 receives the location registration response message after the location registration procedure is completed, the user terminal 600 outputs the location registration response message to a predetermined user interface screen to display a roaming permission / blocking message. Can be.

3 is a flowchart illustrating a method of controlling a roaming data transmission blocking service for an international roaming user terminal according to an embodiment of the present invention.

Next, referring to FIG. 3, a method of controlling a data transmission request from a user terminal registered to a roaming data transmission blocking service and registered according to the location registration procedure described above (see FIG. 2) will be described.

The exchange device 500 receives a data transmission request from the user terminal 600 subscribed to the roaming data transmission blocking service (S210).

The exchange apparatus 500 requests a user authentication from the user terminal 600 to the authentication device 400 according to the data transmission request from the user terminal 600 (S220).

The authentication device 400 performs user authentication of the user terminal 600 (S230). The user authentication may be performed by comparing the subscriber's authentication information requested to the gateway location register 300 with the authentication information received by requesting transmission to the user terminal.

The authentication device 400 transmits the call blocking request message to the switching device 500 when the user authentication fails, and the switching device 500 receiving the call blocking request message blocks data transmission from the corresponding user terminal 600. (S235).

If the user authentication is successful, the authentication device 400 transmits a data transmission request message to the gateway location register 300 (S240).

When the data transmission request message is received, the gateway location register 300 reads the subscriber additional service profile data and confirms that the user terminal 600 is subscribed to the roaming data transmission blocking service (S250).

The gateway location register 300 transmits a data transmission blocking request message to the switching device 500 through the authentication device 400 (S260).

The exchange device 500 blocks data transmission from the user terminal 600 according to the message (S270).

The exchange apparatus 500 transmits a message to the user terminal 600 instructing the user terminal 600 to block data transmission (S280).

The user terminal 600 receiving the message for guiding the data transmission blocking may output the message to the display unit.

4 and 5 are flowcharts illustrating a method of controlling a roaming data transmission restriction service for an international roaming user terminal according to an embodiment of the present invention.

Next, referring to FIGS. 4 and 5, a method of controlling data transmission requests from user terminals subscribed to the roaming data transmission restriction service and registered according to the location registration procedure (see FIG. 2) described above will be described. .

The exchange apparatus 500 receives a data transmission request from the user terminal 600 subscribed to the roaming data transmission restriction service (S310).

The exchange apparatus 500 requests a user authentication from the corresponding user terminal 600 to the authentication apparatus 400 according to a data transmission request from the corresponding user terminal 600 (S320).

The authentication apparatus 400 performs user authentication of the user terminal 600 (S330). The user authentication may be performed by comparing the subscriber's authentication information requested to the gateway location register 300 with the authentication information received by requesting transmission to the user terminal.

If the user authentication fails, the authentication device 400 transmits the call blocking request message to the switching device 500 (S335), and the switching device 500 receiving the call blocking request message receives the data from the user terminal 600. Block outgoing (S337).

If the user authentication is successful, the authentication device 400 transmits a data transmission request message to the gateway location register 300 (S340).

When the data originating request message is received, the gateway location register 300 reads the subscriber additional service profile data and confirms that the user terminal 600 is subscribed to the originating restriction service (S350).

The gateway location register 300 checks the amount of data that can be sent (S360). The gateway location register 300 transmits the call blocking request message to the switching device 500 through the authentication device 400 when there is no amount of data that can be sent (S362), and receives the call blocking request message. Blocks the transmission of the user terminal (S364).

The gateway location register 300 generates an outgoing permission message and transmits the outgoing notification message to the data management device 100 through the authentication device 400 when the amount of outgoing data is available (S370). It transmits (S372).

The exchange apparatus 500 having received the transmission permission message allows the transmission of data from the user terminal 600 according to the transmission permission message (S380).

The data management apparatus 100 receiving the origination notification message monitors the data amount of the ongoing data call of the user terminal 600 (S374).

Referring to FIG. 5, the data management apparatus 100 checks the amount of data to be transmitted in real time and transmits a data amount exceeding notification message to the home location register 200 when there is no remaining amount of data that can be transmitted (S375). The home location register 200 receiving the data amount exceeding notification message updates the subscriber information and transmits the data amount exceeding notification message to the gateway location register 300 (S376). The gateway location register 300 receiving the data amount exceeding notification message updates the subscriber information and generates a call blocking request message and transmits it to the switching device 500 (S377).

In response to the call blocking request message, the switching device 500 blocks the ongoing data call of the user terminal 600 according to the call blocking request message (S378).

Referring back to FIG. 4, when the data transmission from the user terminal 600 ends, the switching device 500 transmits a transmission termination message to the data management apparatus 100 (S390).

The data management device 100 receiving the transmission end message checks the remaining amount of data that can be transmitted (S392), and transmits the amount of data that can be transmitted to the home location register 200, and the home location register 200 is a subscriber. The information is updated (S394), and the transmittable data amount information is transmitted to the gateway position register 300 (S396).

The gateway location register 300, which has received outgoing data amount information, updates subscriber information (S396).

6 is a flowchart illustrating a method of controlling data transmission when canceling at least one of a roaming data transmission blocking service and a roaming data transmission restriction service for an international roaming user terminal according to an embodiment of the present invention.

Subsequently, when the international roaming user terminal cancels at least one of the roaming data transmission blocking service and the roaming data transmission restriction service, the method for controlling data transmission for the corresponding user terminal will be described.

If the subscriber requests to cancel at least one of the roaming data transmission blocking service and the roaming data transmission restriction service through the online and offline customer centers, the customer center updates the subscriber supplementary service profile information of the data management apparatus 100, and The subscriber added service profile information is transferred to the home location register 200 (S410).

The data management apparatus 100 transmits a service termination notification message to the user terminal 600 informing the user terminal 600 that the termination service requested for termination has been terminated (S420).

The user terminal 600 receiving the service termination notification message preferably outputs the message to the display unit.

The home location register 200 updates the subscriber added service profile information in its database and transmits the subscriber added service profile information to the gateway location register 300 (S430).

The gateway location register 300 updates subscriber added service profile information in its database.

The data transmission request from the user terminal 600 is received by the switching device 500 (S440).

The exchange apparatus 500 requests a user authentication from the corresponding user terminal 600 to the authentication apparatus 400 according to a data transmission request from the corresponding user terminal 600 (S450).

The authentication device 400 performs user authentication of the user terminal 600 (S460). The user authentication may be performed by comparing the subscriber's authentication information requested to the gateway location register 300 with the authentication information received by requesting transmission to the user terminal.

If the user authentication fails, the authentication device 400 transmits the call blocking request message to the switching device 500 (S465), and the switching device 500 receiving the call blocking request message receives the data from the user terminal 600. Block outgoing (S467).

If the user authentication is successful (S460), the authentication device 400 transmits a data transmission request message to the gateway location register 300 (S470).

The gateway location register 300 reads the subscriber addition service profile data when a data origination request message is received and confirms that the user terminal 600 is not subscribed to the origination blocking restriction service and the origination restriction service. 300 transmits the data transmission permission message to the switching device 500 through the authentication device 400 (S480).

The exchange device 500 permits data transmission from the user terminal 600 according to the data transmission permission message (S490).

The foregoing description is merely illustrative of the present invention, and various modifications may be made by those skilled in the art without departing from the spirit of the present invention. Accordingly, the embodiments disclosed in the specification of the present invention are not intended to limit the present invention. The scope of the present invention should be construed according to the following claims, and all the techniques within the scope of equivalents should be construed as being included in the scope of the present invention.

According to the present invention, since it is possible to control data transmission, it is possible to block data calls automatically generated by an application when roaming, or to limit the amount of data that is transmitted, thereby providing a service for preventing excessive charges due to roaming. have.

100: data management device
200: home position register
300: gateway location register
400: authentication device
500: exchange device
600: user terminal

Claims (18)

A data management device for managing and storing subscriber information of an additional service for managing data transmission when roaming;
A home location register for storing subscriber information of an additional service received from the data management device;
A gateway location register that determines whether to allow data transmission from the user terminal based on subscriber information of the additional service; And
Switching device for allowing or blocking data transmission in accordance with the determination of the data transmission allowed in the gateway location register
Data service control system of international roaming, including. The data service control system for international roaming according to claim 1, further comprising an authentication device for performing user authentication upon request for data transmission from a user terminal. A database for storing subscriber information of an additional service for managing data transmission when roaming;
A home location register interworking unit for transmitting subscriber information of an additional service stored in the database to a home location register;
A data amount monitoring unit configured to monitor an amount of data transmitted when data transmission from the roaming user terminal is performed; And
Message generating unit for generating a notification message according to the monitoring result
Data management device for managing subscriber information of the additional service comprising a. [4] The subscriber of the additional service of claim 3, wherein the additional service includes a roaming data call blocking service, and the roaming data call blocking service is a service for blocking a data call from an international roaming mobile communication terminal. Data management device for managing information. The method of claim 3, wherein the additional service includes a roaming data origination restriction service, and the roaming data origination restriction service checks the amount of data originating from an international roaming mobile communication terminal and sends a data call when there is no data volume available for transmission. Data management device for managing subscriber information of the additional service, characterized in that the service to block. The method of claim 5, wherein the roaming data transmission limit service monitors the amount of outgoing data of the mobile communication terminal, and blocks the ongoing call when the amount of data transmitted from the international roaming mobile communication terminal exceeds a predetermined upper limit. Data management device for managing subscriber information of the additional service. The subscriber station of claim 3, wherein the data management device updates the additional information of the subscriber and receives the updated additional service information of the subscriber in the home location register when a request for releasing roaming data related additional service is received from the international roaming mobile communication terminal. And a data management device for managing subscriber information of an additional service. An originating request accepting step of accepting a data originating request from a user terminal which has been roamed internationally and the location registration is completed;
A service subscription confirmation step of confirming that the subscriber has subscribed to the roaming data transmission blocking service through the additional service profile information in the gateway location register receiving the data transmission request message;
An originating blocking message transmission step of transmitting, by the gateway location register, an originating blocking message to a switching device to block data transmission of a mobile communication terminal subscribed to a roaming data originating blocking service; And
The data transmission blocking step of blocking the data transmission of the user terminal by the exchange device receiving the call blocking message
Data transmission control method comprising a. 9. The method of claim 8,
A user authentication request step of transmitting the user authentication request message for user authentication to the authentication device by the exchange device receiving the data transmission request;
A user authentication step of authenticating the user by the authentication device receiving the user authentication request message; And
And a data origination request step of sending, by the authentication apparatus, a data origination request message to the gateway location register according to the user authentication result of the user authentication step. An originating request accepting step of accepting a data originating request from a user terminal which has been roamed internationally and the location registration is completed;
A service subscription confirming step of confirming that a subscriber of the user terminal is subscribed to a roaming data origination restriction service through an additional service profile information of a gateway location register receiving the data origination request message;
A data amount checking step of confirming an amount of data that can be sent from the user terminal when the gateway location register confirms that the roaming data transmission limit service is subscribed to in the service subscription confirmation step;
The gateway location register is a data transmission related message transmission step of transmitting a data transmission related message for allowing or blocking data transmission according to the amount of data that can be transmitted; And
A step of allowing or blocking data transmission to allow or block data transmission according to the data transmission related message by the exchange device receiving the data transmission related message;
Data transmission control method comprising a. The method according to claim 10, wherein the data amount checking in the data amount checking step is performed by subtracting the amount of data sent from the amount of data that can be sent when the service is subscribed. The data transmission message according to claim 10, wherein in the data transmission-related message transmission step, the gateway location register transmits a data permission message to the switching device and the data management device when there is an amount of data that can be transmitted, and when there is no data that can be transmitted, a data blocking message. Transmitting the data to the switching device. The method of claim 10,
A user authentication request step of transmitting the user authentication request message for user authentication to the authentication device by the exchange device receiving the origination request;
A user authentication step of authenticating the user by the authentication device receiving the user authentication request message; And
And transmitting, by the authentication device, a data transmission request message to the gateway location register according to a user authentication result in the authentication step. The method of claim 12, wherein when the data management device receives the data permission message, the data management device monitors the amount of data transmitted from the user terminal, and if the data transmission from the user terminal is terminated, checks the remaining amount of data that can be sent. Data transmission control method characterized in that the information is updated. 15. The method of claim 14, wherein if there is no data amount to be transmitted during the monitoring, a data blocking message is transmitted to the switching device. The apparatus of claim 9 or 13, wherein the authentication apparatus performs user authentication by comparing the user authentication information stored in the gateway location register with the user authentication information received from the user terminal for user authentication in the user authentication step. The data transmission control method to use. 15. The method of claim 14, wherein when the subscriber information related to data transmission is changed, the data management apparatus updates the subscriber information in its database and transmits the changed subscriber information of the additional service to the home location register. Way. 18. The method of claim 17, wherein the home location register receiving the changed subscriber information of the additional service updates the subscriber information of the additional service and transmits the changed subscriber information of the additional service to the gateway location register. .
KR1020110030573A 2011-04-04 2011-04-04 System for controlling data service in international roaming and method using the same KR20120112958A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101438592B1 (en) * 2012-11-09 2014-09-11 주식회사 엘지유플러스 System and apparatus for roaming service
KR20140110567A (en) * 2013-03-08 2014-09-17 에스케이텔레콤 주식회사 Method and apparatus for control of roaming data call
KR20160049789A (en) 2014-10-28 2016-05-10 에스케이텔레콤 주식회사 Method and apparatus for management of data traffic
KR20160049705A (en) 2014-10-28 2016-05-10 에스케이텔레콤 주식회사 Apparatus and method for managing roaming traffic
KR20160050636A (en) 2014-10-30 2016-05-11 에스케이텔레콤 주식회사 Apparatus and method for intelligently managing roaming traffic

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101438592B1 (en) * 2012-11-09 2014-09-11 주식회사 엘지유플러스 System and apparatus for roaming service
KR20140110567A (en) * 2013-03-08 2014-09-17 에스케이텔레콤 주식회사 Method and apparatus for control of roaming data call
KR20160049789A (en) 2014-10-28 2016-05-10 에스케이텔레콤 주식회사 Method and apparatus for management of data traffic
KR20160049705A (en) 2014-10-28 2016-05-10 에스케이텔레콤 주식회사 Apparatus and method for managing roaming traffic
KR20160050636A (en) 2014-10-30 2016-05-11 에스케이텔레콤 주식회사 Apparatus and method for intelligently managing roaming traffic

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