KR100864583B1 - Method and system for updating location of mobile terminal in mobile terminal transfer service - Google Patents

Abstract

A method and a system for location registration in a terminal switching service are provided to enable the same service profile information as that of a switching target mobile terminal to be set to a new MSC, thereby enabling a user using the other mobile terminal to receive a signal which has to be received to an existing mobile terminal even though the user moves within a service coverage. An MS1(Mobile Station1), a switching target mobile terminal, requests a new MSC1(Mobile Switching Center) in a moved service coverage to perform location registration(S501). The new MSC1 requests an HLR(Home Location Register) to perform location registration(S503). The HLR checks whether terminal switching is performed(S505). The HLR transmits an ISD(Insert Subscriber Data) message to the new MSC1(S507). The new MSC1 transmits an ISD response message to the HLR(S509). The HLR transmits a location registration cancel message to an old MSC1(S511). The old MSC1 transmits a response message to the HLR(S513). The HLR transmits a location registration response message to the new MSC1(S515).

Description

METHOD AND SYSTEM FOR UPDATING LOCATION OF MOBILE TERMINAL IN MOBILE TERMINAL TRANSFER SERVICE}

The present invention relates to mobile terminal switching, and more particularly, to a mobile terminal switching service that provides a mobile communication service provided to one mobile terminal instead of another mobile terminal.

If you want to transfer all profiles of the mobile terminal that is currently being used to a new mobile terminal, a device change or termination and opening procedure are required, which is a one-time permanent feature. Also, the same procedure must be repeated to return to the original state after profile transfer.

Meanwhile, recently, a WCDMA system capable of a video call is introduced, and a mobile subscriber can detach and use a smart card (eg, USIM) mounted on a mobile terminal in another mobile terminal. However, this process is cumbersome that the mobile subscriber has to remove the smart card from the mobile terminal and attach it to another mobile terminal. Therefore, to solve this inconvenience, there is a need for a method that allows the mobile subscriber to freely use a mobile terminal other than the mobile terminal currently in use.

The present invention has been proposed in order to solve the above problems, by switching the service from a mobile terminal in use to another mobile terminal to receive a mobile communication service provided to the mobile terminal in use to the other mobile terminal An object thereof is to provide a location registration method and a location registration system of a mobile terminal in a terminal switching service.

Other objects and advantages of the present invention can be understood by the following description, and will be more clearly understood by the embodiments of the present invention. Also, it will be readily appreciated that the objects and advantages of the present invention may be realized by the means and combinations thereof indicated in the claims.

According to a first aspect of the present invention for achieving the above object, a method of registering a location of the second communication terminal in the terminal switching service from the first communication terminal to the second communication terminal of the mobile communication system is a home location register; Receiving a location registration request message from the second communication terminal moving from the first service area to the second service area; Checking, by the home location register, whether the second communication terminal is in a terminal switching state; Transmitting, by the home location register, service profile information of the first communication terminal to the switching device of the second service area when the terminal is in the terminal switching state; as service profile information of the second communication terminal; Transmitting, by the home location register, a location deletion request message of the second communication terminal to a switching device of the first service area; And storing, by the home location register, switching device information of the second service area as location information of the first communication terminal.

In addition, in accordance with a second aspect of the present invention for achieving the above object, in the terminal switching service from the first communication terminal to the second communication terminal of the mobile communication system, the location registration method of the second communication terminal, home location registration Receiving, from a packet switched node of the second service area, a location registration request message of the second communication terminal from which the device has moved from the first service area to the second service area; When the home location register determines whether the second communication terminal is in a terminal switching state and is in a terminal switching state, exchanging a packet of the service profile information of the first communication terminal as service profile information of the second communication terminal in the second service area. Transmitting to the node; Sending, by the packet switching node of the second service area, a location registration command message to the switch of the second service area; The home location register receives the location registration request message from the exchange of the second service area and correspondingly changes the service profile information of the first communication terminal as the service profile information of the second communication terminal to the switch of the second service area. Transmitting to; Sending, by the home location register, a location deletion request message of the second communication terminal to a switch and a packet switched node of the first service area; And storing, by the home location register, information of the switch and the packet switched node of the second service area as the location information of the first communication terminal.

In addition, according to a third aspect of the present invention for achieving the above object, the method of registering a location of the first communication terminal in the terminal switching service from the first communication terminal to the second communication terminal of the mobile communication system, home location registration Receiving a location registration request message from the first communication terminal which has moved from the first service area to the second service area; Checking, by the home location register, whether the first communication terminal is in a terminal switching state; Transmitting, by the home location register, a message for requesting deactivation of the general call processing of the first communication terminal to a switching device of the second service area when the terminal is in the terminal switching state; And transmitting, by the home location register, the location deletion request message of the first communication terminal to the switching device of the first service area.

In addition, in accordance with a fourth aspect of the present invention for achieving the above object, a location registration method of the first communication terminal in the terminal switching service from the first communication terminal to the second communication terminal of the mobile communication system, home location registration Receiving, from a packet switched node of the second service area, a location registration request message of the first communication terminal from which the device has moved from the first service area to the second service area; Checking, by the home location register, whether the first communication terminal is in a terminal switching state and transmitting a message requesting deactivation of general call processing of the first communication terminal to a packet switching node of the second service area when the terminal is in the terminal switching state; ; Sending, by the packet switching node of the second service area, a location registration command message to the switch of the second service area; The home location register receives the location registration update request message for the first communication terminal from the switch in the second service area and correspondingly deactivates the general call processing deactivation of the first communication terminal with the switch in the second service area. Sending a request message; And transmitting, by the home location register, the location deletion request message of the first communication terminal to a packet switching node and a switch in the first service area.

Further, a location registration system for providing a terminal switching service from a first communication terminal to a second communication terminal according to the fifth aspect of the present invention for achieving the above object, the first communication that has moved in another service area A switching device receiving a location registration update request from a terminal and attempting to register a location accordingly; And checking the terminal switching state of the first communication terminal when requesting a location registration for the first communication terminal from the switching device, and in the terminal switching state, service profile information and call processing of the first communication terminal to the switching device. And a home location register for transmitting a message including a deactivation parameter and transmitting a location deletion request message of the first communication terminal to the switching device of the other service area.

In addition, the location registration system for providing a terminal switching service from the first communication terminal to the second communication terminal, according to the sixth aspect of the present invention for achieving the above object, the second communication that has moved in another service area A switching device receiving a location registration update request from a terminal and attempting to register a location accordingly; And confirming the terminal switching state of the second communication terminal according to the location registration request of the switching device, and setting the switching device information as the location information of the first communication terminal in the terminal switching state, A home location register which transmits service profile information of the first communication terminal as the service profile information to the switching device, and transmits a location deletion request message of the second communication terminal to the switching device of the other service area. It is characterized by.

According to the present invention as described above, the mobile subscriber can be provided with a mobile communication service by switching the terminal from the existing mobile terminal to another mobile terminal, to receive a service not provided by the existing mobile terminal to another mobile terminal Will be. In addition, when the terminal is lost, another mobile terminal can be easily used while replacing the terminal, thereby eliminating inconvenience caused by the terminal loss.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, whereby those skilled in the art may easily implement the technical idea of the present invention. There will be. In addition, in describing the present invention, when it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating a network configuration of a terminal switching service system according to an embodiment of the present invention.

As shown in FIG. 1, the terminal switching service system according to the present invention includes a plurality of mobile terminals 110 and 120, switchers 130 and 140 in which the mobile terminals 110 and 120 are located, and the respective mobiles. Home location registers (150, 160) to accommodate the terminal (110, 120), terminal switching server 170 for controlling the terminal switching process, the International Mobile Station Identity (IMSI) and MSISDN (Mobile) of the mobile terminal (110, 120) Subscriber ISDN Number) includes a FNPS 180 for managing mapping data.

In FIG. 1, it is assumed that a mobile communication subscriber receives a mobile communication service by switching a terminal to the mobile terminal 110 while using the mobile terminal 120. Accordingly, the mobile terminal 120 is referred to as an existing mobile terminal, and the mobile terminal 110 is referred to as a switching target mobile terminal. The mobile terminals 110 and 120 may be applied without limitation as long as they are terminals capable of voice or video communication and text message transmission and reception. For example, PDA, cellular phone, PCS phone, GSM phone, W-CDMA phone, CDMA-2000 phone, MBMS phone, etc. are mentioned. Preferably, the switching target mobile terminal 110 may be a telematics terminal installed in a vehicle to provide a communication service.

In order to receive the communication service by switching the terminal from the existing mobile terminal 120 to the switching target mobile terminal 110, the mobile communication subscriber provides a service code indicating the terminal switching service to the switching target mobile terminal 110 (eg, * 120). ), And the phone number (ie, MSISDN) of the existing mobile terminal 120 to be switched and inputs a call button. Accordingly, the information of the existing mobile terminal 120 is deactivated in the mobile communication network so that incoming and outgoing calls of the existing mobile terminal 120 are prohibited and all call processing is performed through the switching target mobile terminal 110.

The mobile terminals 110 and 120 and the exchanges 130 and 140 are connected through a base station NodeB and a base station controller RNC, and the exchanges 130 and 140 process basic and additional services, and incoming and outgoing call processing of subscribers. It performs the function of location registration and handoff procedure, interworking with other networks such as public network or intelligent network system.

In particular, when switching the terminal, the exchange 140 blocks the incoming and outgoing call of the existing mobile terminal 120 by setting the service profile of the existing mobile terminal 120 to inactive. In addition, the exchange 130 changes the service profile of the switching target mobile terminal 110 to the service profile of the existing mobile terminal 120 and changes the MSISDN of the switching target mobile terminal 110 to the MSISDN of the existing mobile terminal 120. In this case, the incoming call to the existing mobile terminal 120 is transferred to the mobile terminal 110 to be switched. On the contrary, when the terminal switch is released, the switch 140 activates the service profile of the existing mobile terminal 120 and the switch 130 restores the service profile of the switch target mobile terminal 110.

On the other hand, after the terminal switch is made, the exchange 140 may block all outgoing calls from the existing mobile terminal 120, but may not block outgoing calls for a specific function. For example, when the terminal is switched to use the switching target mobile terminal 110 and the terminal is to be switched off, the existing mobile terminal 120 is blocked from making a call and the terminal can be switched off to the existing mobile terminal 120. It happens that you can't. Therefore, the exchange 140 allows the call transfer when the terminal switch release originating call is transmitted from the existing mobile terminal 120 so that the terminal switch release can be performed. Preferably, the exchange 140 stores and manages the function code information for the terminal switching release, and when the outgoing call including the function code is transmitted from the existing mobile terminal 120, the exchange 140 refers to the function code to perform the origination of the outgoing call. Allow.

The home location registers 150 and 160 are databases that store service profiles related to subscriber information of the mobile terminals 110 and 120, and include identification numbers (IMSI, MSISDN, etc.) and additional service information of the mobile terminals 110 and 120. Store and manage location information and information required for switching a terminal according to the present invention. Preferably, the home location register 160 of the existing mobile terminal 120, when the terminal switch is made, the switching display on the information of the existing mobile terminal 120, the switching unit 150 is the switching target mobile terminal 110 is located And / or store and manage information of a packet switched node (SGSN, not shown), and manage system data (GT information) of the home location register 150 accommodating the switching target mobile terminal 110. On the contrary, when the terminal switch is released, the home location register 160 of the existing mobile terminal 120 deletes the terminal switch information and restores it. Meanwhile, the home location register 150 of the switching target mobile terminal 110 displays and manages that the terminal switching is made from the existing mobile terminal 120 in the information of the switching target mobile terminal 110 when the terminal switching is performed. . When the terminal switch is released, the home location register 150 deletes the terminal switch information. The terminal switching information stored in the home location register 150 of the switching target mobile terminal 110 is used when the switching target mobile terminal 110 registers a position in the terminal switching state.

The terminal switching server 170 stores and manages terminal switching service subscriber information and performs terminal switching service logic. That is, the terminal switch server 170 transmits a terminal switch command or a terminal switch release command message to the FNPS 180 according to the service code included in the message transmitted from the home location registers 150 and 160. In this case, the terminal switching server 170 includes the MSISDN of the existing mobile terminal 120 in the terminal switching command or terminal switching release command message.

The flexible number portability server (FNPS) 180 stores and manages IMSI and MSISDN mapping data of an existing mobile terminal, and receives the terminal switching command or the terminal switching release command message from the terminal switching server 170 and includes the same in the message. IMSI is searched using the MSISDN of the existing mobile terminal 120, and the MSISDN of the existing mobile terminal 120 included in the message is replaced with the searched IMSI and transmitted to the home location register to set the terminal switching or the terminal switching. To be done. Preferably, the terminal switch command or terminal switch release command message is an ATM (AnyTime Modification) message.

Although the terminal switching server 170 and the FNPS 180 are described as separate components in the present embodiment, the FNPS 180 manages the mapping data of the MSISDN and the IMSI of the mobile terminal, and thus the terminal switching server 170 and the FNPS 180. 180 may be integrated into one, and in this case, the FNPS 180 may be used only as a DB and perform the functions of the above-described FNPS 180 in the terminal switching server 170. Therefore, it should be understood that the terminal switching server in the following claims refers to a case where the terminal switching server 170 and the FNPS 180 of the present embodiment are integrated. However, for convenience of description, the following embodiments are assumed to be separately constructed.

2 is a flowchart illustrating a terminal switching service subscription process according to an embodiment of the present invention.

A mobile subscriber who wants to subscribe to a terminal switching service according to the present invention subscribes to a terminal switching service through an agency or a customer center. The mobile subscriber subscribes to the mobile terminal switching service by designating the mobile terminal 110 (MS1 in FIG. 2). In this case, a plurality of mobile communication subscribers may subscribe to a terminal switching to one switching target mobile terminal 110. For example, family members may designate one mobile terminal 110 (MS1 in FIG. 2) as the switching target mobile terminal 110 to subscribe to the terminal switching service.

When the mobile subscriber subscribes to the terminal switching service as described above, the customer information system (WISE) transmits the mobile terminal 120 and the home location register 160 (HLR2) to accommodate the mobile terminal 120 of the mobile subscriber. Information of the switching target mobile terminal 110, that is, IMSI and MSISDN is transmitted (S201). Then, the home location register 160 (HLR2) registers the terminal switching service setting information in the terminal information of the mobile subscriber (S203). In the drawing, only one mobile communication subscriber is described, but as described above, a plurality of subscribers may designate one switching target mobile terminal 110. In this case, the mobile terminal registers and transmits the mobile terminal information of the subscriber and the information of the switching target mobile terminal to the home location register that accommodates the terminal of each subscriber.

Next, the customer information system is connected to the home location register 150 (HLR1) which accommodates the mobile terminal 110 to be switched. Information is transmitted (S205). When a plurality of subscribers designate one switching target mobile terminal 110, the customer information system includes information MS1 of the switching target mobile terminal 110 and information of the mobile terminals MS2 # 1 and MS2 # of the plurality of subscribers. 2, MS2 # 3, MS2 # 4 ...) are transmitted to the home location register 150 (HLR1) that receives the switching target mobile terminal 110. Then, the home location register 150 (HLR1) registers the information of the plurality of mobile terminals to the information of the mobile terminal 110 to be switched (S207).

Next, the customer information system transmits the IMSI and MSISDN mapping data of the mobile terminal 120 of the mobile communication subscriber who applied for the terminal switching service to the FNPS 180 (S209), and the FNPS 180 transmits the received IMSI and the received IMSI. The MSISDN mapping data is registered and managed (S211). In addition, the customer information system includes terminal switching subscription information, that is, information MS1 of the switching target mobile terminal 110 and information of mobile terminals of a plurality of subscribers MS2 # 1, MS2 # 2, MS2 # 3, and MS2 # 4. ...) To the terminal switching server 170 (S213), the terminal switching server 170 registers and manages the information based on the switching target mobile terminal 110 (S215).

3 is a flowchart illustrating a process of setting a terminal switching function in a terminal switching service system according to an embodiment of the present invention. The home location register 160 and the target of switching, which receive profile information of an existing mobile terminal 120, are shown in FIG. This is an example of the case where the home location registers 150 that receive profile information of the mobile terminal 110 are the same.

As shown in FIG. 3, first, the mobile subscriber may switch to the switching target mobile terminal 110 in order to switch the use of the terminal from the previously used mobile terminal 120 to the switching target mobile terminal 110 (MS1 in FIG. 3). Enter the terminal switching service activation code (eg, * 120) and the telephone number of the existing mobile terminal 120 (ie, MSISDN, denoted as 'MSISDN2' in FIG. 3). Then, the switching target mobile terminal 110 receives a service profile of the switching target mobile terminal 110 via the exchange 130 (MSC1 in FIG. 3) through a processUSSD (Unstructured Supplementary Service Data) -Request message, which is a terminal switching request message. Transmit to the home location register (HLR) (S301, S303). Here, the ProcessUSSD-Request message includes the IMSI (denoted as 'IMSI1' in FIG. 3), the service activation code, and the telephone number (MSISDN2) of the existing mobile terminal 120 of the switching target mobile terminal 110.

The home location register then analyzes the ProcessUSSD-Request message received via the exchange MSC1. Since the ProcessUSSD-Request message includes a terminal switching service activation code (* 120), the home location register transmits the ProcessUSSD-Request message to the terminal switching server 170 for terminal switching processing (S305).

The terminal switching server 170 receiving the ProcessUSSD-Request message from the home location register includes the IMSI of the mobile terminal 110 to be switched, the telephone number (ie, MSISDN) of the existing mobile terminal 120 and the existing mobile terminal 120. ANYTime Modification (ATM) message, which is a terminal switching command message including identification information indicating the terminal switching to the switching target mobile terminal 110, is transmitted to the FNPS 180 (S307). The FNPS 180 searches for the IMSI (denoted IMSI2 in FIG. 3) of the existing mobile terminal 120 using the phone number of the existing mobile terminal 120 included in the ATM message transmitted from the terminal switching server 170. Thereafter, the phone number of the existing mobile terminal 120 of the ATM message is changed to the searched IMSI and transmitted to the home location register (S309).

Next, the home location register, based on the identification information indicating the terminal switching included in the ATM message, the IMSI of the mobile terminal 110 to be switched, the telephone number (MSISDN) of the existing mobile terminal 120 and the service profile information. And a subscriber information switching command message (i.e., an ISD (Insert Subscriber Data) message) including a terminal switching activation identification code, is transmitted to an exchange 130 (MSC1) in which the switching target mobile terminal 110 is located (S311). Also, although not shown, the packet is transmitted to a packet switched node (SGSN) in which the switching target mobile terminal 110 is located. The switch 130 (MSC1) and the packet switching node where the switch target mobile terminal 110 is located include the telephone number (MSISDN) and the service of the switch target mobile terminal 110 mapped to the IMSI of the switch target mobile terminal 110. Substitute the profile information with the telephone number (MSISDN) and service profile information of the existing mobile terminal 120, set that the terminal switching service is activated, and transmits a response message to the home location register (S313).

In addition, the home location register, the subscriber information deactivation command message including the IMSI and the general call processing deactivation identification code of the existing mobile terminal 120, i. Subscriber Data) message) is transmitted to the switch 140 (MSC2) in which the existing mobile terminal 120 is located (S315), and also to a packet switched node (SGSN) although not shown. The switch 140 and the MSC2 in which the existing mobile terminal 120 is located and the packet switching node deactivate the general call processing of the existing mobile terminal 120 and transmit a response message to the home location register (S317).

In this way, the home location registers that have received the response messages from the exchanges MSC1 and MSC2 and the packet-switching node transmit the ATM response message to the terminal switching server 170 as a result of the processing (S319 and S321). The terminal switching server 170 manages that the terminal switching is set from the existing mobile terminal 120 to the switching target mobile terminal 110 and transmits a result notification message to the home location register (S323). The home location register transmits the processing result to the switching target mobile terminal 110 (S325). Accordingly, the home location register displays and manages that the terminal switching has been made to the switching target mobile terminal 110 with respect to the existing mobile terminal 120, and is also the switching target mobile terminal 110 as location registration information of the existing mobile terminal 120. The address information of the switch 130 (MSC1) and the packet switched node of the network) is set and managed (S327). Accordingly, the home location register proceeds to call processing using the exchange information of the switching target mobile terminal 110 instead of the exchange information of the existing mobile terminal 120 when an incoming location query is received from the exchange. . Here, when the switching target mobile terminal 110 is a telematics vehicle terminal, the home location register sets that the target of the terminal switching service is a vehicle. In addition, the home location register indicates and manages that the terminal switching is made from the existing mobile terminal 120 in the information of the switching target mobile terminal 110. The stored terminal switching information is used when the switching target mobile terminal 110 registers a location in the terminal switching state.

According to the above process, the profile information of the switching target mobile terminal 110 in the mobile communication network is replaced with the profile information of the existing mobile terminal 120, the profile information of the existing mobile terminal 120 is deactivated, All the incoming calls, such as voice call, video call, text message call, multimedia message call, packet call, etc., may be received by the switching target mobile terminal 110 instead. Therefore, when the mobile terminal 110 to be switched is a telematics terminal mounted in a vehicle, the mobile communication subscriber boards a vehicle and converts his mobile terminal into a telematics terminal to receive calls that should be received by the mobile terminal. Can be used instead. Accordingly, the mobile subscriber can use the mobile communication service without being disturbed while driving.

4 is a flowchart illustrating a process of setting terminal switching in a terminal switching service system according to another exemplary embodiment of the present invention, wherein a home location register and a switching target mobile terminal 110 accommodate profile information of an existing mobile terminal 120. ) Is an example of a case where the home location register for accommodating profile information is different.

As shown in FIG. 4, first, the mobile subscriber may switch to the switching target mobile terminal 110 in order to switch the use of the terminal from the previously used mobile terminal 120 to the switching target mobile terminal 110 (MS1 in FIG. 4). Enter the terminal switching service activation code (eg, * 120) and the telephone number of the existing mobile terminal 120 (ie, MSISDN, denoted as MSISDN2 in FIG. 4). Then, the switching target mobile terminal 110 receives a ProcessUSSD-Request message, which is a terminal switching request message, through a switch 130 (MSC1 in FIG. 4) and receives a service profile of the switching target mobile terminal 110. In FIG. 4, the data is transmitted to the HLR1 (S401 and S403). Here, the ProcessUSSD-Request message includes the IMSI (denoted as IMSI1 in FIG. 4), the service activation code, and the MSISDN of the existing mobile terminal 120 of the switching target mobile terminal 110.

Subsequently, the home location register 150 (HLR1) analyzes the ProcessUSSD-Request message received through the exchange 130 (MSC1). Since the ProcessUSSD-Request message includes a terminal switching service activation code, the home location register HLR1 transmits the ProcessUSSD-Request message to the terminal switching server 170 for terminal switching processing (S405).

The terminal switching server 170 that receives the ProcessUSSD-Request message from the home location register 150 (HLR1) is the IMSI of the switching target mobile terminal 110, the MSISDN of the existing mobile terminal 120, and the existing mobile terminal 120. The ATM message including the identification information indicating the switching of the terminal to the switching target mobile terminal 110 is transmitted to the FNPS 180 (S407). The FNPS 180 searches for IMSI (denoted IMSI2 in FIG. 4) of the existing mobile terminal 120 using the MSISDN of the existing mobile terminal 120 included in the ATM message transmitted from the terminal switching server 170. In operation S409, the telephone number of the existing mobile terminal 120 is changed to the searched IMSI in the ATM message and the home location register 150 (HLR1) is transmitted.

Next, the home location register 150 (HLR1) analyzes the ATM message and determines the terminal switching from the existing mobile terminal 120 to the switching target mobile terminal 110 and stores the profile information of the existing mobile terminal 120. Since it is not managed, the home location registers 160 (HLR2) for managing the profile information of the existing mobile terminal 120, the IMSI of the existing mobile terminal 120, the IMSI of the switching target mobile terminal 110, and the switching target mobile terminal The ATM message including the addresses of the switch 130 (MSC1) and the packet switching node (SGSN1) in which the 110 is located (S411) is transmitted.

Receiving such an ATM message, the home location registers 160 and HLR2 identify the IMSI of the switching target mobile terminal 110, the MSISDN of the existing mobile terminal 120, the service profile information of the existing mobile terminal 120, and the terminal switching activation identification. A subscriber information switching command message (i.e., an Insertion Subscriber Data (ISD) message) including a code is transmitted to an exchange 130 (MSC1) in which the switching target mobile terminal 110 is located (S413), and is not shown in the figure. Although not transmitted, it is also transmitted to the packet switching node in which the switching target mobile terminal 110 is located. The exchanges 130 and MSC1 and the packet-switching node where the switching target mobile terminal 110 is located have existing MSISDN and service profile information of the switching target mobile terminal 110 mapped to the IMSI of the switching target mobile terminal 110. Substitute the MSISDN and the service profile information of the mobile terminal 120, set the terminal switching service is activated, and transmits a response message to the home location register (160, HLR2) (S415).

In addition, the home location register (160, HLR2), the subscriber information deactivation command message including the IMSI and the general call processing deactivation identification code of the existing mobile terminal 120 to set the existing mobile terminal 120 in the deactivation mode (ie (Insert Subscriber Data (ISD) message) is transmitted to the switch 140 (MSC2) in which the existing mobile terminal 120 is located (S417), and is also transmitted to the packet switched node although not shown in the figure. The switch 140 (MSC2) and the packet switching node in which the existing mobile terminal 120 is located deactivate the general call processing of the existing mobile terminal 120 and transmit a response message to the home location register 160 (HLR2) ( S419).

As such, the home location registers 160 and HLR2 that have received the response message from the exchange 140 and the MSC2 and the packet switched node transmit the ATM response message to the home location register 150 and HLR1 as the processing result response (S421). The home location register 150 (HLR1) transmits an ATM response message to the terminal switching server 170 (S423 and S425). The terminal switching server 170 sets that the terminal switching has been made from the existing mobile terminal 120 to the switching target mobile terminal 110 and transmits a result notification message to the home location register 150 (HLR1) (S427). Accordingly, the home location register 150 (HLR1) transmits the result notification message to the switching target mobile terminal 110 via the switch 130 (MSC1) (S429).

According to the above process, the home location registers 160 and HLR2 accommodating the existing mobile terminal 120 set that the existing mobile terminal 120 has been switched to the mobile terminal 110 to be switched, and also the mobile terminal to be switched ( Set the information of the home location register that accommodates 110, and also set the information of the switch 130 (MSC1) and the packet-switched node that accepts the switching target mobile terminal 110 as the location registration information of the existing mobile terminal 120. (S433). Accordingly, when the home location register 160 receives a destination location query for the existing mobile terminal 120 from the switch 140 (MSC2), the switch information of the switching target mobile terminal 110 is not the exchange information of the existing mobile terminal 120. Proceed with call processing using. In addition, the home location register 150 (HLR1) displays and manages that the terminal switching has been made from the existing mobile terminal 120 in the information of the switching target mobile terminal 110 (S431). The stored terminal switching information is used when the switching target mobile terminal 110 registers a location in the terminal switching state.

As a result, the profile information of the existing mobile terminal 120 is replaced with the profile information of the switching target mobile terminal 110 in the mobile communication network, and the profile information of the existing mobile terminal 120 is deactivated and is received by the existing mobile terminal 120. All calls, for example, voice call calls, video call calls, text message calls, multimedia message calls, packet calls, etc. can be received instead of the mobile terminal 110 to be switched. Therefore, when the mobile terminal 110 to be switched is a telematics terminal mounted in a vehicle, the mobile communication subscriber boards a vehicle, converts his mobile terminal into a telematics terminal, and calls calls to be received by the mobile terminal to the telematics terminal. It will be available instead. Accordingly, the mobile subscriber can use the mobile communication service without being disturbed while driving.

On the other hand, the embodiment with reference to Figures 3 and 4 is that one existing mobile terminal 120 to the terminal switching to the switching target mobile terminal 110, but the present invention is not limited thereto, as described with reference to FIG. As a plurality of mobile communication subscribers can designate the same switching target mobile terminal 110 to subscribe to the terminal switching service, a plurality of existing mobile terminals 120 can simultaneously switch terminals to the switching target mobile terminal 110. have. The user of the plurality of existing mobile terminals 120 sets the terminal switching to the switching target mobile terminal 110 according to the process described with reference to FIGS. 3 and 4, respectively. In this case, since the plurality of existing mobile terminals 120 simultaneously switch terminals to one switching target mobile terminal 110, the switching unit 130 (MSC1) and the packet switching node that accommodates the switching target mobile terminal 110 switch. The MSISDN and the service profile of the plurality of existing mobile terminals 110 are set in IMSI of the target mobile terminal 110.

The mobile subscriber is not always in a fixed location and moves from service area to service area from time to time. As such, when the mobile subscriber moves to the service area with the mobile terminal, the mobile terminal may receive the mobile communication service only by performing location registration in the new service area. Therefore, when the terminal is switched from the existing mobile terminal 120 to the switching target mobile terminal 110 as described above, when the existing mobile terminal 120 or the switching target mobile terminal 110 moves the service area, Each mobile terminal (110, 120) must perform a new location registration, the mobile communication network must set up a new terminal switching service in accordance with the new location registration. The location registration method in the terminal switching service will be described with reference to the drawings.

5 is a flowchart illustrating a location registration method in a terminal switching service according to an embodiment of the present invention. 5 illustrates a case where location registration is performed from the switching target mobile terminal 110 after the terminal switching is performed, a home location register accommodating the existing mobile terminal 120 and a home accommodating the switching target mobile terminal 110. If the location register is the same.

As shown in FIG. 5, when the switch target mobile terminal 110 moves to another service area after the terminal switch is made, the switch target mobile terminal 110 moves to a new switch (New MSC1) of the moved service area. In step S501, the new switch New MSC1, which is requested to register the location, requests a location registration from the home location register HLR that accommodates the switching target mobile terminal 110 (S503).

The home location register, which has received the location registration request, checks whether the switching target mobile terminal 110 is subscribed to the terminal switching service and if the terminal is switched (S505). If the terminal switching service is not subscribed or the terminal switching is not performed, the general location registration procedure is performed.

On the other hand, if the user is subscribed to the terminal switching service and the terminal switching is made, the home location register sends an ISD (Insert Subscriber Data) message to set the service profile information of the mobile terminal 110 to be switched to the new exchange (New MSC1). It transmits (S507). However, since the terminal is switched, the service profile information of the switching target mobile terminal 110 stored in the new switch New MSC1 should be the service profile information of the existing mobile terminal 120. Accordingly, the ISD message includes the IMSI of the switching target mobile terminal 110, the MSISDN of the existing mobile terminal 120, and the service profile and activation identification code of the existing mobile terminal 120.

Upon receiving the ISD message, the new switch (New MSC1) of the existing mobile terminal 120 included in the ISDN message as service profile information of the switching target mobile terminal 110 based on the activation identification code included in the ISD message. Set service profile information. Therefore, the MSISDN and the profile information of the existing mobile terminal 120 are set in the IMSI of the switching target mobile terminal 110 in the new switch New MSC1. Subsequently, the new exchange New MSC1 transmits an ISD response message to the home location register (S509).

Next, the home location register transmits a location registration cancellation message to the existing exchange Old MSC1 (S511). The existing exchange Old MSC1 deletes the service profile information of the switching target mobile terminal 110 and transmits a response message to the home location register (S513). The home location register then sends a location registration response message to the new exchange (New MSC1). In addition, the home location register changes and sets the information of the new switch (New MSC1) as the location information of the existing mobile terminal (120).

According to the above process, the service profile information of the switching target mobile terminal 110 set in the existing exchange Old MSC1 is deleted, and the same service profile information as the deleted service profile information is set in the new exchange New MSC1. As a result, even when the switching target mobile terminal 120 moves to the service area, the mobile terminal 120 may receive a call to be received by the existing mobile terminal 120.

6 is a flowchart illustrating a location registration method in a terminal switching service according to another embodiment of the present invention. 6 illustrates a case where a home location register accommodating the existing mobile terminal 120 and a home location register accommodating the switching target mobile terminal 110 are different.

As shown in FIG. 6, when the switching target mobile terminal 110 (hereinafter MS1) moves to another service area after the terminal switching is performed, the switching target mobile terminal MS1 may switch to a new exchange ( The new MSC1 requests a location registration (S601), and the new switch (MSC1) that has received the location registration request requests a location registration from the home location register (HLR1) that accommodates the switch target mobile terminal (110) (S603). ).

The home location register HLR1, which has received the location registration request, checks whether the switching target mobile terminal MS1 is subscribed to the terminal switching service, and if the terminal is switched, if the terminal switching has been performed, and if the switching is made, the existing mobile terminal 120 (hereinafter referred to) , MS2) is checked (S605). If the terminal switching service is not subscribed or the terminal switching is not performed, the general location registration procedure is performed.

On the other hand, if the user is subscribed to the terminal switching service, the terminal switching is made and does not accommodate the existing mobile terminal (MS2), the home location register (HLR1) checks the home location register (HLR2) information that accommodates the existing mobile terminal (MS2) (S607) and transmits an ATM message which is a location registration request message to the home location register HLR2 (S609). Here, the ATM message includes the IMSI of the switching target mobile terminal MS1, the IMSI of the existing mobile terminal MS2, the information of the new switchboard New MSC1, and identification information indicating that the message relates to location registration.

The home location register (HLR2) retrieves the service profile of the existing mobile terminal (MS2) by using the IMSI of the existing mobile terminal (MS2) in the ATM message, the service profile and the IMSI of the switching target mobile terminal (MS1), An ISD message including an MSISDN and an activation identification code of an existing mobile terminal is transmitted to the new switch (New MSC1) (S611).

The new exchange (New MSC1) receiving the ISD message is the service profile information of the switching target mobile terminal (MS1) of the existing mobile terminal (MS2) included in the ISDN message based on the activation identification code included in the ISD message. Set service profile information. Therefore, in the new switch New MSC1, the MSISDN and the service profile of the existing mobile terminal MS2 are set in the IMSI of the switching target mobile terminal MS1. Subsequently, the new exchange New MSC1 transmits an ISD response message to the home location register HLR2 (S613).

Next, the home location register HLR2 transmits a location registration cancellation message to the existing exchange Old MSC1 (S615). The existing exchange Old MSC1 deletes the service profile information of the switching target mobile terminal MS1 and transmits a response message to the home location register HLR2 (S617). Then, the home location register HLR2 transmits an ATM response message to the home location register HLR1 of the switching target mobile terminal MS1 (S619), and the home location register HLR1 sends a new exchange (New MSC1). The location registration response message is transmitted (S621). In addition, the home location register HLR2 changes and sets the information of the new switch New MSC1 as the location information of the existing mobile terminal 120.

According to the above process, the service profile information of the switching target mobile terminal 110 set in the existing exchange Old MSC1 is deleted, and the same service profile information as the deleted service profile information is set in the new exchange New MSC1. As a result, even if the mobile terminal to be switched moves the service area, it is possible to receive a call to be received by the existing mobile terminal MS2.

5 and 6 are examples of performing location registration in a state in which the switching target mobile terminal 110 may use a circuit switched mode, that is, a voice call, and the like. It may be a dual mode terminal capable of simultaneously supporting a circuit switched mode and a packet switched mode. In this case, the switching target mobile terminal 110 may perform location registration through the SGSN of the mobile communication network during location registration. Hereinafter, specific embodiments will be described with reference to FIGS. 7 and 8.

7 is a flowchart illustrating a location registration method in a terminal switching service according to another embodiment of the present invention. The switching target mobile terminal 110 is a terminal supporting dual mode, and the home location register accommodating the existing mobile terminal 120 and the home location register accommodating the switching target mobile terminal 110 are the same.

As shown in FIG. 7, when the switching target mobile terminal 110 moves to another service area after the terminal switching is performed, the switching target mobile terminal 110 (hereinafter referred to as MS1) is a new SGSN of the moved service area. (S701), the new SGSN (New SGSN1) received the location registration request is sent to the home location register (HLR) that accepts the switching target mobile station (MS1). The location registration request message (Update GPRS Location) is transmitted (S703).

The home location register receiving the location registration request checks whether the switching target mobile terminal MS1 is subscribed to the terminal switching service, and if so, whether the terminal switching has been performed (S705). If the terminal switching service is not subscribed or the terminal switching is not performed, the general location registration procedure is performed.

On the other hand, if the terminal switching service is subscribed and the terminal switching is made, the home location register sends an ISD (Insert Subscriber Data) message to set the service profile information of the mobile terminal MS1 to be switched to the new SGSN. It transmits (S707). However, since the terminal is switched, the service profile information of the switching target mobile terminal MS1 stored in the new SGSN should be the service profile information of the existing mobile terminal MS2. Therefore, the ISD message includes the IMSI of the switching target mobile terminal MS1, the MSISDN of the existing mobile terminal MS2, and the service profile and activation identification code of the existing mobile terminal MS2.

Upon receiving the ISD message, the new SGSN (New SGSN1) of the existing mobile terminal (MS2) included in the ISDN message as service profile information of the switching target mobile terminal (MS1) based on the activation identification code included in the ISD message. Set service profile information. Therefore, in the new SGSN (New SGSN1), the MSISDN and the service profile of the existing mobile terminal MS2 are set in the IMSI of the switching target mobile terminal MS1. Subsequently, the new SGSN transmits an ISD response message to the home location register (S709).

Next, the home location register transmits a location registration cancellation message to the existing SGSN (Old SGSN1) of the service area before moving (S711). The old SGSN1 deletes the service profile information of the switching target mobile terminal MS1 and transmits a response message to the home location register (S713). Thereafter, the home location register transmits a location registration response message to the new SGSN (S715).

Next, the new SGSN (New SGSN1) transmits a location registration command message to a new switch (New MSC1) of the circuit-switching network in the same service area (S717). Since the SGSN of the packet-switched network and the MSC of the circuit-switched network are located in the same sector, the SGSN requests the registration of the location of the mobile subscriber to the switch of the circuit-switched network. Accordingly, the new exchange (New MSC1) requests the location registration to the home location register (HLR) (S719).

The home location register, having received the location registration request, sends an ISD (Insert Subscriber Data) message to the new exchange (New MSC1) to set the service profile information of the switching target mobile terminal (MS1) (S721). The service profile information of the switching target mobile terminal MS1 stored in the new exchange MSc1 should be the service profile information of the existing mobile terminal MS2. Therefore, the ISD message includes the IMSI of the switching target mobile terminal MS1, the MSISDN of the existing mobile terminal MS2, and the service profile and activation identification code of the existing mobile terminal MS2.

The new exchange (New MSC1) receiving the ISD message is the service profile information of the switching target mobile terminal (MS1) of the existing mobile terminal (MS2) included in the ISDN message based on the activation identification code included in the ISD message. Set service profile information. Therefore, in the new switch New MSC1, the MSISDN and the service profile of the existing mobile terminal MS2 are set in the IMSI of the switching target mobile terminal MS1. Subsequently, the new exchange New MSC1 transmits an ISD response message to the home location register (S723).

Next, the home location register transmits a location registration cancellation message to the existing exchange (Old MSC1) (S725). The existing exchange Old MSC1 deletes the service profile information of the switching target mobile terminal MS1 and transmits a response message to the home location register (S727). Then, the home location register transmits a location registration response message to the new exchange (New MSC1) (S729). In addition, the home location register changes and sets the information of the new exchange (New MSC1) and the new SGSN as the location information of the existing mobile terminal (120).

8 is a flowchart illustrating a location registration method in a terminal switching service according to another embodiment of the present invention. The switching target mobile terminal 110 is a terminal supporting dual mode, and the home location register accommodating the existing mobile terminal 120 is different from the home location register accommodating the switching target mobile terminal 110.

As shown in FIG. 8, when the switching target mobile terminal 110 moves to another service area after the terminal switching is performed, the switching target mobile terminal 110 (hereinafter referred to as MS1) is replaced with a new SGSN (ie, MS1) of the moved service area. A new location registration request message (Location Update) is transmitted to a new SGSN1 (S801), and a new SGSN (New SGSN1), which has been requested to register a location, is positioned to a home location register (HLR1) that accommodates the switching target mobile terminal MS1. The registration request message (Update GPRS Location) is transmitted (S803).

The home location register HLR1, which has received the location registration request, checks whether the mobile switching target MS1 is subscribed to the terminal switching service, and if the mobile terminal MS1 is subscribed, if the mobile terminal MS2 is switched. Check whether it accepts (S805). If the terminal switching service is not subscribed or the terminal switching is not performed, the general location registration procedure is performed.

On the other hand, if the user is subscribed to the terminal switching service and the terminal switching is made and does not accommodate the existing mobile terminal MS2, the home location register HLR1 receives the home location register HLR2 information that accommodates the existing mobile terminal MS2. In operation S807, an ATM message, which is a location registration request message, is transmitted to the home location register HLR2 (S809). The ATM message includes the IMSI of the switching target mobile terminal MS1, the IMSI of the existing mobile terminal MS2, information of a new SGSN1 and an exchange MSC1, and identification information indicating that the message is related to location registration. Included.

The home location register (HLR2) retrieves the service profile of the existing mobile terminal (MS2) by using the IMSI of the existing mobile terminal (MS2) in the ATM message, the service profile and the IMSI of the switching target mobile terminal (MS1), The ISD message including the MSISDN and the activation identification code of the existing mobile terminal is transmitted to the new SGSN (New SGSN1) (S811).

Upon receiving the ISD message, the new SGSN (New SGSN1) of the existing mobile terminal (MS2) included in the ISDN message as service profile information of the switching target mobile terminal (MS1) based on the activation identification code included in the ISD message. Set service profile information. Therefore, in the new SGSN (New SGSN1), the MSISDN and the service profile of the existing mobile terminal MS2 are set in the IMSI of the switching target mobile terminal MS1. Subsequently, the new SGSN transmits an ISD response message to the home location register HLR2 (S813).

Next, the home location register HLR2 transmits a location registration cancellation message to the existing SGSN (Old SGSN1) (S815). The old SGSN1 deletes the service profile information of the switching target mobile terminal MS1 and transmits a response message to the home location register HLR2 (S817). Then, the home location register HLR2 transmits a location registration response message to the new SGSN (S819).

Next, the new SGSN (New SGSN1) transmits a location registration command message to a new switch (New MSC1) in the circuit switched network (S821). Since the SGSN of the packet-switched network and the MSC of the circuit-switched network are located in the same sector, the SGSN requests the registration of the location of the mobile subscriber to the switch of the circuit-switched network. Accordingly, the new switch (New MSC1) requests the location registration to the home location register (HLR2) (S823).

Upon receiving the location registration request, the home location register HLR2 transmits an ISD message to the new exchange New MSC1 to set service profile information of the switching target mobile terminal MS1 (S825). The service profile information of the switching target mobile terminal MS1 stored in the new exchange MSc1 should be the service profile information of the existing mobile terminal MS2. Therefore, the ISD message includes the IMSI of the switching target mobile terminal MS1, the MSISDN of the existing mobile terminal MS2, and the service profile and activation identification code of the existing mobile terminal MS2.

Upon receipt of the ISD message, the new switch (New MSC1) of the existing mobile terminal (MS2) included in the ISD message as service profile information of the switching target mobile terminal (MS1) based on the activation identification code included in the ISD message. Set service profile information. Therefore, in the new switch New MSC1, the MSISDN and the service profile of the existing mobile terminal MS2 are set in the IMSI of the switching target mobile terminal MS1. Subsequently, the new exchange New MSC1 transmits an ISD response message to the home location register HLR2 (S827).

Next, the home location register HLR2 transmits a location registration cancellation message to the existing exchange Old MSC1 (S829). The existing exchange Old MSC1 deletes the service profile information of the switching target mobile terminal MS1 and transmits a response message to the home location register HLR2 (S831). Then, the home location register HLR2 transmits a location registration response message to the new exchange New MSC1 (S833). In addition, the home location register (HLR2) changes the information of the new switch (New MSC1) and the new SGSN as the location information of the existing mobile terminal 120.

According to the above process, the service profile information of the switching target mobile terminal 110 which is set in the existing exchange Old MSC1 and the existing SGSN 1 is deleted, and is transferred to the new exchange New MSC1 and the SGSN New SGSN1. The same service profile information as the deleted service profile information is set, and the information of the new switch New MSC1 and the SGSN NewSGN1 is stored in the home location register HLR2 as the location information of the mobile terminal MS1 to be switched. . Therefore, even if the switching target mobile terminal MS1 moves to the service area, it is possible to receive a call to be received by the existing mobile terminal MS2.

On the other hand, after the terminal switch is made, not only the mobile terminal 110 to be switched but also the existing mobile terminal 120 may move the service area. In this case, the existing mobile terminal 120 also updates the location registration. When updating the location registration of the existing mobile terminal 120, the terminal switching state information of the existing mobile terminal 120 should be reflected in the mobile communication network. In the terminal switching state, the incoming / outgoing call of the existing mobile terminal 120 should be blocked. Hereinafter, the location registration update method of the existing mobile terminal 120 will be described with reference to FIGS. 9 and 10.

9 is a flowchart illustrating a location registration method of an existing mobile terminal in a terminal switching service according to an embodiment of the present invention. 9 illustrates a case where a location registration is performed from an existing mobile terminal 120 after a terminal switch is made.

As shown in FIG. 9, when an existing mobile terminal MS2 moves to another service area after terminal switching is performed, the existing mobile terminal MS2 is positioned as a new exchanger New MSC2 of the moved service area. After requesting registration (S901), the new exchange (New MSC2) received the location registration request the location registration to the home location register (HLR) that accommodates the existing mobile terminal (MS2) (S903).

The home location register, which has received the location registration request, checks whether the existing mobile terminal MS2 is subscribed to the terminal switching service and, if subscribed, whether the terminal switching has been performed (S905). If the terminal switching service is not subscribed or the terminal switching is not performed, the general location registration procedure is performed.

On the other hand, if the user is subscribed to the terminal switching service and the terminal switching is made, the home location register sets the service profile of the existing mobile terminal MS2 in the new exchange (New MSC2), but performs general call processing of the existing mobile terminal (MS2). In order to block, an Insert Subscriber Data (ISD) message is transmitted (S907). The ISD message includes the IMSI, service profile, and general call processing deactivation identification code of the existing mobile terminal MS2.

The new exchange receiving the ISD message (New MSC2) stores the service profile of the existing mobile terminal (MS2) and based on the deactivation identification code included in the ISD message, to set the incoming / outgoing blocking of the existing mobile terminal (MS2) do. Subsequently, the new switch New MSC2 transmits an ISD response message to the home location register (S909).

Next, the home location register transmits a location registration cancellation message to the existing exchange (Old MSC2) (S911). The old exchange MSC2 deletes the service profile information of the existing mobile terminal MS2 and transmits a response message to the home location register (S913). Then, the home location register sends a location registration response message to the new exchange (New MSC2) (S915).

According to the above process, the service profile information of the existing mobile terminal MS2 set in the existing exchange Old MSC2 is deleted, and the same service profile information as the deleted service profile information is set in the new exchange New MSC2. Even if the existing mobile terminal MS2 moves to the service area, the location information of the existing mobile terminal MS2 is updated.

10 is a flowchart illustrating a location registration method of an existing mobile terminal in a terminal switching service according to another embodiment of the present invention. This is the case that the existing mobile terminal 120 is a terminal supporting the dual mode.

As shown in FIG. 10, when an existing mobile terminal MS2 moves to another service area after terminal switching is performed, the existing mobile terminal MS2 is positioned as a new SGSN (New SGSN2) of the moved service area. A new SGSN (New SGSN2), which has received a registration request message (Location Update) and receives a location registration request, updates the location registration request message (Update GPRS) to a home location register (HLR) that accommodates the existing mobile terminal (MS2). Location) is transmitted (S1003).

The home location register, which has received the location registration request, checks whether the existing mobile terminal MS2 is subscribed to the terminal switching service and, if so, whether the terminal switching has been performed (S1005). If the terminal switching service is not subscribed or the terminal switching is not performed, the general location registration procedure is performed.

On the other hand, if the terminal switching service is subscribed to the terminal switching is made, the home location register, ISD (Insert Subscriber) to set the service profile of the existing mobile terminal (MS2) in a new SGSN (New SGSN2) but block the general call processing Data) message is transmitted (S1007). The ISD message includes the IMSI, service profile, and general call processing deactivation identification code of the existing mobile terminal MS2.

Upon receiving the ISD message, the new SGSN2 stores the service profile of the existing mobile terminal MS2 and sets the blocking of incoming / outgoing calls of the existing mobile terminal MS2 based on the deactivation identification code included in the ISD message. do. Subsequently, the new SGSN 2 transmits an ISD response message to the home location register (S1009).

Next, the home location register transmits a location registration cancellation message to an existing SGSN (Old SGSN2) (S1011). The existing SGSN (Old SGSN2) deletes the service profile information of the existing mobile terminal (MS2) and transmits a response message accordingly to the home location register (S1013). Then, the home location register transmits a location registration response message to the new SGSN (SSG15) (S1015).

Next, the new SGSN (New SGSN2) transmits a location registration command message to a new switch (New MSC2) in the circuit switched network (S1017). Since the SGSN of the packet-switched network and the MSC of the circuit-switched network are located in the same sector, the SGSN requests the registration of the location of the mobile subscriber to the switch of the circuit-switched network. Accordingly, the new exchange (New MSC2) requests the location registration to the home location register (HLR) (S1019).

In order to set the service profile of the existing mobile terminal (MS2) to the new exchange (New MSC2), but to block the general call processing transmits an Insert Subscriber Data (ISD) message (S1021). The ISD message includes the IMSI, service profile, and general call processing deactivation identification code of the existing mobile terminal MS2.

The new exchange receiving the ISD message (New MSC2) stores the service profile of the existing mobile terminal (MS2) and based on the deactivation identification code included in the ISD message, to set the incoming / outgoing blocking of the existing mobile terminal (MS2) do. Subsequently, the new switch New MSC2 transmits an ISD response message to the home location register (S1023).

Next, the home location register transmits a location registration cancellation message to the existing exchange (Old MSC2) (S1025). The old exchange MSC2 deletes the service profile information of the existing mobile terminal MS2 and transmits a response message to the home location register (S1027). Then, the home location register sends a location registration response message to the new exchange (New MSC2) (S1029). In addition, the home location register changes and sets the information of the new exchange (New MSC1) and the new SGSN as the location information of the existing mobile terminal (120).

According to the above process, the service profile information of the existing mobile terminal MS2 set in the existing exchange Old MSC2 is deleted, and the same service profile information as the deleted service profile information is set in the new exchange New MSC2. Even if the existing mobile terminal MS2 moves to the service area, the location information of the existing mobile terminal MS2 is updated.

As described above, the method of the present invention may be implemented as a program and stored in a recording medium (CD-ROM, RAM, ROM, floppy disk, hard disk, magneto-optical disk, etc.) in a computer-readable form. Since this process can be easily implemented by those skilled in the art will not be described in more detail.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the technical spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited by the drawings.

1 is a diagram illustrating a network configuration of a terminal switching service system according to an embodiment of the present invention.

2 is a flowchart illustrating a terminal switching service subscription process according to an embodiment of the present invention.

3 is a flowchart illustrating a process of setting a terminal switching function in a terminal switching service system according to an embodiment of the present invention.

4 is a flowchart illustrating a process of setting terminal switching in a terminal switching service system according to another embodiment of the present invention.

5 is a flowchart illustrating a location registration method in a terminal switching service according to an embodiment of the present invention.

6 is a flowchart illustrating a location registration method in a terminal switching service according to another embodiment of the present invention.

7 is a flowchart illustrating a location registration method in a terminal switching service according to another embodiment of the present invention.

8 is a flowchart illustrating a location registration method in a terminal switching service according to another embodiment of the present invention.

9 is a flowchart illustrating a location registration method of an existing mobile terminal in a terminal switching service according to an embodiment of the present invention.

<Explanation of symbols for main parts of the drawings>

110, 120: mobile terminal 130, 140: switchboard

150, 160: home location register (HLR) 170: terminal switching server

180: FNPS (Flexible Number Portability Server)

Claims (15)

A location registration method of a second communication terminal in a terminal switching service from a first communication terminal to a second communication terminal of a mobile communication system, (a) receiving a location registration request message from the second communication terminal moved from the first service area to the second service area by a home location register; (b) checking, by the home location register, whether the second communication terminal is in a terminal switching state; (c) the home location register transmitting the service profile information of the first communication terminal to the switching device of the second service area as the service profile information of the second communication terminal in the terminal switching state; (d) the home location register transmitting a location deletion request message of the second communication terminal to a switching device of the first service area; And (e) the home location register storing the switching device information of the second service area as the location information of the first communication terminal. The method of claim 1, In step (c), And the home location register transmits a message including a network identification number of the second communication terminal, a telephone number of the first communication terminal, and a service profile of the first communication terminal to the switching device of the second service area. Location registration method in the terminal switching service. The method according to claim 1 or 2, Before step (c), Confirming that the home location register accepts the first communication terminal; And If not accepting the first communication terminal, transmitting, by the home location register, a location registration command message including the exchange device information of the second service area to a home location register accommodating the first communication terminal; Including more, And (d) and (e) are performed by a home location register for accommodating the first communication terminal. The method of claim 3, wherein The switching device of the first service area and the switching device of the second service area are: Method of registering a location in a terminal switching service, characterized in that any one of a mobile switching center (MSC) or a Serving GPRS Support Node (SGSN). A method of registering a location of a second communication terminal in a terminal switching service from a first communication terminal to a second communication terminal of a mobile communication system, (a) receiving, by a home location register, a location registration request message of the second communication terminal, which has moved from a first service area to a second service area, from a packet switched node of the second service area; (b) when the home location register determines whether the second communication terminal is in a terminal switching state and is in a terminal switching state, the service profile information of the first communication terminal is used as service profile information of the second communication terminal in the second service area. Transmitting to a packet switched node of the network; (c) sending, by the packet switching node of the second service area, a location registration command message to the exchange of the second service area; (d) the home location register receives the location registration request message from the exchange of the second service area and correspondingly receives the service profile information of the first communication terminal as the service profile information of the second communication terminal. Transmitting to the exchange of zones; (e) the home location register transmitting a location deletion request message of the second communication terminal to a switch and a packet switching node of the first service area; And (f) the home location register storing the information of the switch and the packet switched node of the second service area as the location information of the first communication terminal. The method of claim 1, Step (b) and (d), Sending, by the home location register, a message including a network identification number of the second communication terminal, a telephone number of the first communication terminal, and a service profile of the first communication terminal to the exchange and the packet switching node of the second service area. Location registration method in the terminal switching service characterized in that. A location registration method of a first communication terminal in a terminal switching service from a first communication terminal to a second communication terminal of a mobile communication system, (a) receiving a location registration request message from the first communication terminal having moved from the first service area to the second service area by a home location register; (b) checking, by the home location register, whether the first communication terminal is in a terminal switching state; (c) the home location register transmitting a message requesting deactivation of the general call processing of the first communication terminal to the switching device of the second service area in the terminal switching state; And and (d) transmitting, by the home location register, the location deletion request message of the first communication terminal to the switching device of the first service area. The method of claim 7, wherein In step (c), The home location register transmits a message including a parameter indicating an IMSI, a service profile, and a general call processing deactivation of the first communication terminal to a switching device of the second service area. Way. The method according to claim 7 or 8, The switching device of the first service area and the switching device of the second service area are: Method of registering a location in a terminal switching service, characterized in that any one of a mobile switching center (MSC) or a Serving GPRS Support Node (SGSN). A location registration method of a first communication terminal in a terminal switching service from a first communication terminal to a second communication terminal of a mobile communication system, (a) receiving a location registration request message of the first communication terminal, which has moved from the first service area to the second service area, from a packet switched node of the second service area; (b) when the home location register checks whether the first communication terminal is in a terminal switching state and sends a message to the packet switched node of the second service area, requesting deactivation of general call processing of the first communication terminal. Transmitting; (c) sending, by the packet switching node of the second service area, a location registration command message to the exchange of the second service area; (d) the home location register receives a location registration update request message for the first communication terminal from the switch in the second service area and correspondingly to the switch in the second service area for a general call of the first communication terminal. Sending a message requesting processing deactivation; And (e) the home location register transmitting a location deletion request message of the first communication terminal to a packet switching node and a switch in the first service area. The method of claim 10, Step (b) and (d), And the home location register transmits a message to the packet switching node and the exchange in the second service area, the message including a parameter indicating IMSI, service profile, and general call processing deactivation of the first communication terminal. How to register a location on A location registration system for providing a terminal switching service from a first communication terminal to a second communication terminal, A switching device that receives a location registration update request from the first communication terminal that has moved in another service area and attempts location registration accordingly; And Upon requesting a location registration for the first communication terminal from the switching device, checking the terminal switching state of the first communication terminal and deactivating the service profile information and the call processing of the first communication terminal to the switching device when the terminal switching state. And a home location register for transmitting a message including a parameter, and for transmitting a location deletion request message of the first communication terminal to the switching device of the other service area. The method of claim 12, The exchange device, A location registration system, characterized in that any one of a mobile switching center (MSC) or a Serving GPRS Support Node (SGSN). A location registration system for providing a terminal switching service from a first communication terminal to a second communication terminal, A switching device that receives a location registration update request from the second communication terminal that has moved in another service area and attempts location registration accordingly; And Confirm the terminal switching state of the second communication terminal according to the location registration request of the switching device; if the terminal switching state is set, set the switching device information as the position information of the first communication terminal, and service the second communication terminal; A home location register which transmits service profile information of the first communication terminal as profile information to the switching device, and transmits a location deletion request message of the second communication terminal to the switching device of the other service area. Registration system. The method of claim 14, The home location register, And a message including a network identification number of the second communication terminal, a telephone number of the first communication terminal, and a service profile of the first communication terminal, to the switching device.

Images