KR100551550B1 - External Visitor Location Register and Method for Management of Customer Location Using The Same - Google Patents

Abstract

The present invention relates to an external visitor location register that can separately manage location information of a subscriber and a subscriber location management method using the same. A base station controller including a base station performing wireless communication with a mobile terminal, and connected through the base station controller A visitor location information database that is connected to a mobile communication network including a switch that performs a call exchange for the mobile terminal, and which stores a network connection connected to the switch and visitor location information for transmitting and receiving a signal for updating visitor location information; An external node connection unit for receiving an update command from the external node by connecting to an external node or transmitting / receiving an information request message and a response signal, and controlling the network connection unit to transmit and receive visitor location information and store the information in the visitor location information database. It includes a control unit for managing In response to the registration request of the mobile terminal, the visitor registration information is transmitted to the exchange through the base station controller, and after the exchange performs the location registration to the home location register, the exchange generates the visitor location registration data. Transmits a message including location registration data to an external visitor locator located outside of the mobile communication network, so that the external visitor locator stores the visitor location registration data included in the message, thereby providing an external visitor locator; By managing the visitor location information through this, the location information data of the subscriber can be easily obtained from various devices or the outside of the mobile communication network, thereby providing various services to the subscriber.

Description

External Visitor Location Register and Method for Management of Customer Location Using The Same}

1 is a block diagram for performing subscriber location management in a second generation network according to the present invention;

2 is a block diagram for performing subscriber location management in a 2.5 generation network according to the present invention;

3 is a block diagram for performing subscriber location management according to a network interworking according to the present invention;

4 is a flowchart illustrating a method according to the present invention in a second generation network;

5 is a flowchart illustrating another method according to the present invention in a second generation network;

6 is a flowchart illustrating a method according to the present invention in a 2.5 generation network;

7 is a flowchart illustrating another method according to the present invention in a 2.5 generation network;

8 is a flow chart for explaining another embodiment of the method according to the present invention;

9 is a flowchart for explaining another embodiment of the method according to the present invention;

10 is a flowchart illustrating transmission of visitor location information by an operator on demand according to the present invention.

<Description of Symbols for Main Parts of Drawings>

10,20: Mobile terminal 110,210: Base station

120,220: Base international flag 130,230: Exchange

240: packet network node 250: DLR

300: home location register 400: external visitor location register

410: control unit 420: network connection

430: Visitor location information database 440: External node connection

500: external node

The present invention relates to an external visitor location register and a subscriber location management method using the same.

Today, with the development of mobile communication technology, the convenience of mobile phones, and the falling price of mobile phones, mobile phones have emerged as a necessity of life, and the number of subscribers has exploded.

Such mobile communication service technologies can be broadly classified into asynchronous service environments centered on Europe and synchronous services centered on North America. Such mobile communication technologies are being developed in North America and Europe, respectively.

In the mobile communication network, the subscriber's location is managed through the home location register and the visitor location register provided in the general exchange for the incoming call.

As mobile communication services have developed, various devices of mobile communication networks or various devices connected to the outside have required subscriber location information managed by the visitor location register and home location register.

However, as described above, since the visitor location register generally exists in the exchange, it is difficult to access the data, and thus, it is difficult to obtain location information of the subscriber from various devices or the outside of the mobile communication network. In addition, since it is difficult to obtain the location information data of the subscriber has a disadvantage that can not provide a variety of services to the subscriber.

The present invention is to solve such a problem, an object of the present invention to provide an external visitor location register that can separately manage the location information of the subscriber and a subscriber location management method using the same.

In order to achieve the above object, the external visitor location register according to the present invention includes a base station controller including a base station performing wireless communication with a mobile terminal, and performs call exchange for the mobile terminal connected through the base station controller. A network connection unit connected to the exchange to transmit and receive a signal for updating visitor location information, a visitor location information database to store visitor location information, and an external node to update from the external node. An external node connection unit for receiving a command or transmitting and receiving an information request message and a response signal, and a control unit for controlling the network connection unit to transmit and receive visitor location information and to store and manage the visitor location information in the visitor location information database. The external furnace through the external node connection When a message is received containing an update command from is characterized in that via the network connection request to renew the visitor location information database to the exchange.

In addition, subscriber location management method using an external visitor location register according to the present invention, the step of transmitting visitor registration information to the exchange through the base station controller according to the registration request of the mobile terminal, the exchange location registration to the home location register Generating the visitor location registration data; transmitting, by the base station controller or the exchange, a message including the visitor location registration data to an external visitor location register located outside the mobile communication network; Step, the external visitor location register is characterized in that it comprises a storage step for storing the visitor location registration data included in the message.

In addition, the subscriber location management method using the external visitor location register according to the present invention, the determination step of determining whether the exchange is a predetermined reference time, if the determination is determined that the preset reference time as a result of the determination step the exchange transfers the data Transmitting a message to the external visitor locator, wherein the external visitor locator updates the received data in the visitor locator database as the exchange transmits all data of the visitor locator to the visitor locator; And an update step.

In addition, the subscriber location management method using the external visitor location register according to the present invention, the external visitor location register determines whether to update the visitor location registration database, if it is determined that the update time is the result of the determination step the exchanger Transmitting a message requesting data update to the exchange, the communication load determining step of determining a current communication load according to the request message, and the current communication load being below a preset criterion as a result of the communication load determining step. If it is determined that an update step of updating the visitor location registration database of the external visitor location register.

Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of the present invention.

1 is a block diagram illustrating a connection of an external visitor location register according to the present invention.

Referring to FIG. 1, a second generation network includes a base station 110 (hereinafter referred to as a 'BTS') 110 performing wireless communication with a mobile terminal 10 and a base station controller (hereinafter, referred to as a 'BSC') for controlling the BTS 110. 120, and an exchanger 130 (hereinafter referred to as 'MSC') connected to the BSC 120 to perform an exchange.

In addition, the CDMA-2000 network includes a base station 210 (hereinafter referred to as 'BTS') for performing wireless communication with the mobile terminal 20, and a base station controller (hereinafter referred to as 'BSC') for controlling the BTS 210 ( 220, a switch connected to the BSC 220 to perform an exchange (hereinafter referred to as MSC) 230, and a packet network node 240 connected to the BSC 220. In addition, the CDMA-2000 network includes a data service dedicated location register (hereinafter, referred to as 'DLR') 250 which collects location information through the BSC 220-> packet network node 240 or directly the BSC 220.

The MSC 130 of the second generation network and the MSC 230 of the CDMA-2000 network are connected to a home location register (hereinafter, referred to as 'HLR') 300 for managing subscriber location information.

The present invention also includes an external visitor location register (External VLR, hereinafter referred to as "EVLR") 400 for managing visitor location information outside of the mobile communication network, and includes the BSC 120 and the MSC (the second generation network). 130 and the packet network node 240 of the CDMA-2000 network are connected to the EVLR 400.

FIG. 2 is a schematic block diagram for explaining a configuration of an exchange (MSC) according to the present invention. In this embodiment, a configuration of the MSC 130 of a second generation network will be described.

Referring to FIG. 2, the MSC 130 according to the present invention includes a control unit 131 for operation control, a network connection unit 132 for network connection, and an exchange unit 133 for performing exchange according to call connection; The visitor location register 134 performs visitor location registration.

3 is a block diagram illustrating a configuration of an external visitor location register (EVLR) according to the present invention.

Referring to FIG. 3, an external visitor location register (EVLR) 400 according to the present invention includes a control unit 410 for operation control, and a network connection unit 420 for connection to a mobile communication network is connected via a bus. It is connected to the control unit 410. In addition, the visitor location information database 430 for managing visitor location information and the external node connection unit 440 for connecting to the external node 500 are connected to the control unit 410 via a bus.

The controller 410 receives a data transfer notification message from a mobile communication network through the network connection unit 420 or sends a message including an update command transmitted from an external node 500 through the external node connection unit 440. Upon reception, the mobile station connects to the mobile communication network through the network connection unit 420 to perform a predetermined update operation.

In addition, when the controller 410 receives the information request message transmitted from the external node 500 through the external node connection unit 440, the controller 410 transfers the information stored in the visitor location information database 430 to the external node 500. send.

Hereinafter will be described the interworking method of the external visitor location register according to the present invention.

There are two ways to link external visitor location registers.

The first method is to update data by transmitting data from the MSC or BSC to the external visitor location register (EVLR) every time the mobile terminal is registered. The second method is to update the external visitor location register (EVLR). Update data on request. In this case, the request includes the request from the external node 500 described above.

First, a method of updating data by transmitting data from an exchange MSC or a base station controller BSC to an external visitor location register EVLR every time the location registration of the mobile terminal will be described.

4 is a flowchart illustrating a method of interworking with an external visitor location register in a second generation network according to the present invention, and is a method of updating a database of an external visitor location register (EVLR) by receiving data from an exchange (MSC).

Referring to Figure 4, the mobile terminal 10 transmits the registration information for registration (S10). The registration information transmitted by the mobile terminal 10 is transmitted to the MSC 130 through the BTS 110 and the BSC 120 (S21).

After receiving the registration information, the MSC 130 performs a registration request to the HLR 300 (S22). The HLR 300 transmits the response according to the registration request to the MSC 130 (S30).

The MSC 130 receives the response from the HLR 300, generates visitor location registration data (VLR data), stores the visitor location registration unit 134 provided inside the MSC 130, and then stores the response of step S30. The mobile terminal 10 transmits the data to the mobile terminal 10 (S50).

The MSC 130 transmits the visitor location registration data (VLR data) generated in step S40 to the EVLR 400 (S60). The EVLR 400 updates the visitor location registration data transmitted from the MSC 130 to the visitor location information database 430 which is an internal database (S70).

Meanwhile, in the present embodiment, the visitor location registration data is transmitted to the EVLR 400 in step S60, but after the step S10, the MSC 130 transmits to the EVLR 400 or after performing step S40, the visitor location registration data is EVLR. May be sent to 400.

5 is a flowchart illustrating a method of updating a database of an external visitor location register (EVLR) by receiving data from a base station controller (BSC).

Referring to FIG. 5, the mobile terminal 10 transmits registration information for registration (S110). The registration information transmitted by the mobile terminal 10 is transmitted to the MSC 130 through the BTS 110 and the BSC 120 (S121). After receiving the registration information, the MSC 130 performs a registration request to the HLR 300 (S122). The HLR 300 transmits the response according to the registration request to the MSC 130 (S130).

The MSC 130 receives the response from the HLR 300, generates visitor location registration data (VLR data), and stores the stored location in the visitor location registration unit 134 provided in the MSC 130 (S140). The response is transmitted to the mobile terminal 10 (S150).

The BSC 120 transmits visitor location registration data (VLR data), which is a location registration message of the mobile terminal 10, to the EVLR 400 according to the response in step S150 (S160). The EVLR 400 receives the location registration message transmitted from the BSC 120 and updates the visitor location registration data according to the visitor location information database 430 (S170).

In the present embodiment, the location registration message is transmitted from the BSC 120 to the EVLR 400 in step S160. However, the EVLR 400 is transmitted after the registration information is transmitted to the MSC 130 in step S121 (or at the same time). You can also pass the registration information.

FIG. 6 is a flowchart illustrating a method of interworking with an external visitor location register in an IMT-2000 network according to the present invention, and is a method of updating a database of an external visitor location register (EVLR) by receiving data from an MSC. .

Referring to FIG. 6, the mobile terminal 20 transmits registration information for registration (S210). The registration information transmitted by the mobile terminal 20 is transmitted to the MSC 230 through the BTS 210 and the BSC 220 (S221). The MSC 230 performs a registration request to the HLR 300 after receiving the registration information (S222). The HLR 300 transmits a response according to the registration request to the MSC 230 (S230).

The MSC 230 receives the response from the HLR 300, generates visitor location registration data (VLR data), and stores the data in a visitor location registration unit (not shown) provided in the MSC 250 (S240). The response of S230 is transmitted to the mobile terminal 20 (S250).

The MSC 230 includes the data generated in step S240 in the location registration message of the mobile terminal 20 and transmits the data to the DLR 250 (S260). The location registration message transmitted to the packet network node 240 is EVLR. It is passed to 400 (S270). The EVLR 400 receives the location registration message and updates the visitor location registration data according to the visitor location information database 430 (S280).

FIG. 7 is a flowchart illustrating a method of interworking with an external visitor location register in an IMT-2000 network according to the present invention. The method of updating a database of an external visitor location register (EVLR) by receiving data from a base station controller (BSC) is shown in FIG. to be.

Referring to FIG. 7, the mobile terminal 20 transmits registration information for registration (S310). The registration information transmitted by the mobile terminal 20 is transmitted to the MSC 230 through the BTS 210 and the BSC 220 (S321). After receiving the registration information, the MSC 230 performs a registration request to the HLR 300 (S322). The HLR 300 transmits the response according to the registration request to the MSC 230 (S330).

The MSC 230 receives the response from the HLR 300, generates visitor location registration data (VLR data), and stores (S340) the visitor location registration unit (not shown) provided in the MSC 250. The response of S230 is transmitted to the mobile terminal 20 (S350).

The BSC 220 transmits the location registration message of the mobile terminal 20 to the packet network node 240 according to the response in step S350 (S360), and the location registration message transmitted to the packet network node 240 is EVLR ( 400 is delivered to (S370). The EVLR 400 receives the location registration message and updates the visitor location registration data according to the visitor location information database 430 (S380).

In the present embodiment, the location registration message is transmitted from the BSC 120 to the EVLR 400 in steps S360 and S370. However, the EVLR is transmitted after the registration information is transmitted to the MSC 130 in step S321 (or at the same time). You can also pass registration information to 400.

Hereinafter, a description will be given of a method of updating data according to a predetermined condition by using a switching center (MSC) of a mobile communication network or an external visitor location register (EVLR) provided outside the mobile communication network.

8 is a flowchart illustrating a method of updating visitor location registration information according to a request of an exchange, and a second generation network will be described as an example.

Referring to FIG. 8, the MSC 130 determines whether the reference time is preset for updating the visitor location registration information (S410). If it is determined in step S410 that the preset reference time, the MSC 130 transmits a data transfer notification message to the EVLR (400) (S420). The EVLR 400 receives the data transfer notification message transmitted from the MSC 130 and then transmits a response message (ACK) accordingly to the MSC 130 (S430).

When the response message is received, the MSC 130 transmits data of the visitor location registration unit 134, which stores the visitor location registration information, to the EVLR 400 (S440), and the EVLR 400 receives the data and receives the visitor location. The information database 430 is updated (S450). Although the data may be transmitted in step S440, the EVLR 400 may update only the changed data in the visitor location information database 430 through the match check.

9 is a flowchart illustrating a method of updating visitor location registration information according to a request of an external visitor location register.

Referring to FIG. 9, the EVLR 400 determines whether the reference time is preset for updating the visitor location registration information (S510). If it is determined in step S510 that the preset reference time, the EVLR 400 transmits a data request message to the MSC 130 (S520). After receiving the data request message transmitted from the EVLR 400, the MSC 130 determines whether the current communication load is below a preset reference (S530). If it is determined in step S530 that the current communication load is not less than the reference load, the MSC 130 transmits a message for rejecting the data request to the EVLR 400 (S531).

However, if it is determined in step S530 that the current communication load is less than the reference load, the MSC 130 transmits a message for approving the data request to the EVLR 400 (S540). Accordingly, the EVLR 400 downloads data of the visitor location registration unit 134 of the MSC 130 (S550) and updates the visitor location information database 430 in the EVLR 400 (S560).

In step S550, the EVLR 400 may download the data of the MSC 130, but may update only the data changed through the match check in the visitor location information database 430.

On the other hand, by the request from the external node 500, the external visitor location register 400 may perform the above-described update procedure.

10 is a flowchart illustrating transmission of visitor location information by an operator on demand according to the present invention.

Referring to FIG. 10, if necessary, the external node 500 may request visitor location information. A message for requesting the visitor location information is transmitted to the external visitor location register 400 (S610).

The control unit 410 of the external visitor location register 400 receives the request message in step S610 through the external node connection unit 440 and the control unit 410 receives a response message through the external node connection unit 440. Transmitted to 500 (S620). After transmitting the response message, the controller 410 of the external visitor location register 400 transmits the data stored in the visitor location information database 430 to the external node 500 through the external node connection unit 440 (S630).

Accordingly, the external node 500 may receive the data transmitted from the external visitor location register 400 and use it.

As described in detail above, according to the external visitor location register according to the present invention and the subscriber location management method using the same, by providing an external visitor location register and managing the visitor location information therefrom, Since the location data of the subscriber can be easily obtained, various services can be provided to the subscriber.

Claims (17)

A signal for updating visitor location information, connected to a mobile communication network including a base station controller including a base station for performing wireless communication with a mobile terminal, and a switch for performing call exchange for the mobile terminal connected through the base station controller; A network connection part connected to the exchange to transmit and receive Visitor location information database for storing visitor location information, An external node connection unit for connecting to an external node to receive an update command from the external node or for transmitting and receiving an information request message and a response signal thereof; A control unit for controlling the network access unit to transmit and receive visitor location information and store / manage the visitor location information database; And the controller requests an update of the visitor location information database to the exchange through the network connection unit when a message including an update command is received from the external node through the external node connection unit. The method of claim 1, And the network access unit is connected to the base station controller and receives the visitor location information transmitted from the base station controller and transmits the visited location information to the controller. The method of claim 1, And the controller requests the visitor location information to the exchange through the network connection unit at predetermined reference times, and receives and updates the visitor location information in the visitor location information database. delete The method of claim 1, And the controller transmits the information of the visitor location information database to the source of the information request message through the external node connection unit when the information request message is received through the external node connection unit. A mobile station comprising a base station controller including a base station performing wireless communication with a mobile terminal, a switch performing call exchange for the mobile terminal connected through the base station controller, and a home location register performing subscriber location information management. In the subscriber location management method using an external visitor location register connected to a communication network and transmitting and receiving visitor location information to a visitor location registration database, Transmitting visitor registration information to the exchange through the base station controller according to a registration request of a mobile terminal, Performing location registration by the exchange to the home location register; A generation step of generating, by the exchange, visitor location registration data; Transmitting, by the base station controller or the exchange, the message including the visitor location registration data to an external visitor location register located outside the mobile communication network; And a storage step of storing, by the external visitor location register, the visitor location registration data included in the message. delete delete A mobile station comprising a base station controller including a base station performing wireless communication with a mobile terminal, a switch performing call exchange for the mobile terminal connected through the base station controller, and a home location register performing subscriber location information management. In the subscriber location management method using an external visitor location register connected to a communication network and transmitting and receiving visitor location information to a visitor location registration database, Transmitting visitor registration information to the exchange through the base station controller according to a registration request of a mobile terminal, Transmitting the registration information from any one of the base station controller or the exchange to the external visitor location register; A storage step of storing, by the external visitor location register, the visitor location registration data according to the registration information; And wherein the switch performs location registration with the home location register. In the subscriber location management method using an external visitor location register connected to a mobile communication network including a switch that performs a call exchange for a mobile terminal, transmits and receives visitor location information and manages the visitor location registration database. A determination step of determining whether the exchange is a preset reference time; If it is determined that the reference time is the preset reference time, the exchange transmitting a data transfer notification message to the external visitor location register; And an external visitor location, wherein the external visitor location register updates the received data in the visitor location registration database as the exchange transmits all data of the visitor location information to the visitor location register. Subscriber location management method using a register. delete The method of claim 10, The updating step uses the external visitor location register to determine whether or not the visitor location registration data and the information of the visitor location registration database of the external visitor location register correspond to the exchange according to the data transfer notification message. Subscriber location management method. A mobile communication network including an exchange for performing a call exchange for a mobile terminal; In the subscriber location management method using an external visitor location register connected to transmit and receive visitor location information and manage the visitor location registration database, Determining, by the external visitor location register, whether the visitor location registration database is updated; If it is determined that the renewal time is reached as a result of the determination step, transmitting a message requesting data update to the exchange to the exchange, A communication load determination step of determining the current communication load by the exchange according to the request message; And updating the visitor location registration database of an external visitor location register when it is determined that the current communication load is less than or equal to a preset criterion as a result of the communication load determining step. . The method of claim 13, The step of determining whether the update includes determining whether the external visitor location register is a preset reference time for updating, and when the preset reference time arrives, the external visitor location register determines that the update time has come. Subscriber location management method using an external visitor location register, characterized in that. The method of claim 13, The external visitor location register includes an external node connection unit for connecting with an external node, The step of determining whether to update includes: determining, by the external visitor location register, whether a message including an update command is received through the external node connection unit, and when the message including the update command is received, the external visitor location Subscriber location management method using an external visitor location register, characterized in that the registrant determines that the renewal time. The method of claim 13, The updating may include: transmitting, by the exchange, all data of visitor location information to the visitor location register, and updating the received data in the visitor location registration database. Subscriber location management method using. The method of claim 13, The updating step uses the external visitor location register to determine whether or not the visitor location registration data and the information of the visitor location registration database of the external visitor location register correspond to the exchange according to the data transfer notification message. Subscriber location management method.

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