KR20040106980A - Method of registering gsm subscriber in cdma networks - Google Patents

Abstract

PURPOSE: A method for registering a location of a GSM subscriber in a CDMA network is provided to register a location of a GSM subscriber in a CDMA network while maintaining an MIN system of a CDMA network without a changing work for receiving IMSI of the GSM subscriber. CONSTITUTION: A mobile terminal into which a SIM(Subscriber Information Module) card is inserted transmits IMSI(International Mobile Station identity) information stored at the SIM card and MIN(Mobile Identification Number) information of the mobile terminal to a gateway location register, and the gateway location register forms an MIN-IMSI mapping table within the gateway location register(S100). A location of the mobile terminal is registered by converting a GSM(Global System for Mobile communications) authentication message and an authentication response message into messages receivable by a CDMA(Code Division Multiple Access) network and authenticating a GSM subscriber(S200).

Description

How to register location of GSM subscriber in CDM network {METHOD OF REGISTERING GSM SUBSCRIBER IN CDMA NETWORKS}

The present invention relates to a method for registering a location of a GSM subscriber in a CDMA network, and more particularly, when a GSM subscriber inbound roams into a CDMA network, the GSM subscriber uses a dedicated CDMA terminal capable of inserting a SIM card of a GSM subscriber. To register a location in a CDMA network.

Recently, with the rapid increase in the demand for mobile communication, there is an increasing demand for global roaming that can be called with a single number anywhere in the world.

At present, when GSM subscribers abroad want to enter Korea and receive CDMA service, they should rent a new terminal from an immigration airport lounge or a mobile communication agency and use a new subscriber number instead of their own number.

In particular, in the GSM (Global System for Mobile communications) method, a SIM card incorporating an International Mobile Station Identity (IMSI) is mounted on the mobile terminal as an identifier of the mobile terminal. In the mobile communication using the SIM card, any country that provides a GSM type service can borrow a terminal accommodating the SIM and attach its SIM card to the terminal to use its own number. However, in Korea, which provides a CDMA service different from the GSM method, a mobile identification number (MIN) is used as an identifier of a mobile terminal.

As such, the CDMA network and the GSM network may use GSM subscribers to use their SIM cards because of differences in radio access standards between the base station and the mobile phone, signal transmission procedures, and authentication procedures of the core network. There is a problem that the number cannot be used as it is.

In addition, there is a problem that a significant change must be made to the CDMA network in order to accommodate IMSI in the CDMA network.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and when the GSM subscriber inbound roams into the CDMA network, it uses a dedicated CDMA terminal capable of inserting the SIM card of the GSM subscriber and uses the IMSI of the GSM subscriber used in the GSM network. The GSM subscriber is located in the CDMA network while maintaining the MIN system of the CDMA network without major modifications to accommodate the IMSI of the GSM subscriber in the CDMA network by supporting the authentication procedure required for GSM authentication in the CDMA network. Its purpose is to provide a way to register.

1 is a flowchart schematically illustrating a location registration procedure of a GSM subscriber in a CDMA network according to an embodiment of the present invention.

FIG. 2 illustrates the steps in which the mobile terminal inserting the SIM card of FIG. 1 transmits IMSI information stored in the SIM card and MIN information of the mobile terminal to the gateway location register (GLR), and the GLR forms a MIN-IMSI mapping table. Flow diagram to explain.

3 is a flow chart illustrating in detail the steps of converting the GSM authentication message and the authentication response message of FIG. 1 into an acceptable message in a CDMA network and performing a GSM subscriber authentication procedure to register the mobile terminal.

* Description of the symbols for the main parts of the drawings *

10: mobile terminal 20: CDMA switch

30: Gateway Location Register (GLR) 40: GSM HLR

In order to achieve the above object, the present invention provides a method for registering a location of a GSM subscriber in a CDMA network using a mobile terminal in which an SIM card embedded with IMSI information for identifying a GSM subscriber and an algorithm required for GSM authentication is inserted. Transferring IMSI information stored in the SIM card and MIN information of the mobile terminal to a gateway location register, wherein the gateway location register forms a MIN-IMSI mapping table in the gateway location register; And converting the GSM authentication message and the authentication response message into an acceptable message in the CDMA network and performing the authentication procedure of the GSM subscriber to register the mobile terminal.

The present invention also provides a location registration method for the GSM subscriber, wherein the mobile terminal transmits IMSI information stored in the SIM card and MIN information of the mobile terminal to a gateway location register, and MIN-IMSI mapping to the gateway location register. The step of forming a table comprises the steps of: the mobile terminal sending a data burst message to a CDMA switch; Sending, by the CDMA exchange, a SMDPP Invoke message to the gateway location register; Reading IMSI information and MIN information included in the SMDPP invoke message received by the gateway location register, storing the IMSI-MIN mapping table in the gateway location register, and transmitting a response message to the CDMA exchange; And the CDMA exchange sending a response message to the mobile terminal, thereby switching the mobile terminal to a service on state.

The present invention also provides a method for registering a location of a GSM subscriber, wherein the data burst message includes the IMSI information and the MIN information, and the SMDPP invoke message includes the IMSI information and the MIN information.

The present invention also provides a method for registering a location of a mobile station by converting a GSM authentication message and an authentication response message into an acceptable message in a CDMA network and performing an authentication procedure of the GSM subscriber. When the mobile terminal requests a location registration, the gateway location register sends an authentication vector request message to a GSM home location register to store the authentication vector values transmitted from the GSM home location register; The mobile terminal calculating an SRES value using the authentication vector value transmitted from the gateway location register, and transmitting the calculated SRES value to the gateway location register to perform an authentication procedure; And performing a location registration procedure of the mobile terminal.

In addition, according to the present invention, in the method of registering a location of the GSM subscriber, when the mobile terminal requests a location registration, the gateway location register transmits an authentication vector request message to a GSM home location register, thereby transmitting authentication from the GSM home location register. The storing of the vector values may include: sending, by the mobile terminal, a location registration message to a CDMA switch; Querying, by the CDMA exchange, a visitor location register, converting the location registration message into a Location Notification Invoke message and sending it to a gateway location register; Sending, by the gateway location register, the authentication vector request message to the GSM home location register to obtain authentication data; Sending, by the GSM home location register, the authentication vector values to the gateway location register in response to the authentication vector request message; And storing, by the gateway location register, the authentication vector values.

The present invention also provides a location registration method for the GSM subscriber, wherein the mobile terminal calculates an SRES value using the authentication vector value transmitted from the gateway location register and transmits the calculated SRES value to the gateway location register. And performing the authentication procedure, the gateway location register sending a SMDPP Invoke message to the CDMA exchange; The CDMA exchange sending a data burst message to the mobile terminal; The CDMA exchange receiving the response message for the data burst message from the mobile terminal, sending a response message for the SMDPP Invoke message to the gateway location register; The SIM card of the mobile terminal receives the data burst message and calculates the SRES value using a GSM authentication algorithm; Sending, by the mobile terminal, a data burst message including the SRES value in bearer data to the CDMA switch; The CDMA exchange viewing the data burst message sent from the mobile terminal to confirm that the message is a GSM authentication related message; Sending, by the CDMA exchange, a SMDPP Invoke message including the SERS value in the bearer data to the gateway location register; And the gateway location register searching for the authentication vector values and comparing the authentication vector values with the SERS value transmitted from the CDMA switch.

The present invention also provides a method for registering a location of a GSM subscriber, wherein the location registration procedure of the mobile terminal comprises: transmitting, by the gateway location register, a location registration message to the GSM home location register; The GSM home location register sending a subscriber data transfer message to the gateway location register; The gateway location register sending a response message to the GSM home location register in response to the subscriber data transmission message; Sending, by the GSM home location register, a response message to the location registration message to the gateway location register; The gateway location register sending a response message to the CDMA exchange to the SMDPP invoke message; The CDMA exchange sending a response message to the mobile terminal in response to a response message of the SMDPP invoke message; And the gateway location register sending a response message to the CDMA switch to the location registration aware invoke message.

The present invention also provides a location registration method for the GSM subscriber, wherein the location registration message includes a MIN, ESN and location registration type of a mobile terminal, and the location registration recognition invoke message is a general location registration recognition invoke message. Includes parameters for distinguishing the location registration aware invoke message for GSM inbound roaming.

The present invention also provides a GSM subscriber location registration method, wherein the authentication vector request message includes the GSM subscriber's IMSI information and the SMDPP invoke message includes the RAND value.

In addition, the present invention provides a method for registering a location of a GSM subscriber, wherein the data burst message includes a RAND value in bearer data.

Moreover, the present invention is a mobile terminal used in the above method of registering a location of a GSM subscriber.

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

First, unlike the CDMA method, the GSM terminal basically uses a SIM card, and the SIM card includes IMSI information for identifying GSM subscribers and an algorithm required for GSM authentication.

Thus, when GSM subscribers roam inbound into the CDMA network, they insert the SIM card into a dedicated CDMA terminal capable of inserting the SIM card and receive roaming services through a procedure as described in the following embodiment. That is, by using a dedicated CDMA terminal in which a SIM card is inserted, various messages described below are transmitted and received through the CDMA network, and the GSM subscriber is registered in the CDMA network.

1 is a flowchart schematically illustrating a location registration procedure of a GSM subscriber in a CDMA network according to an embodiment of the present invention.

In Fig. 1, a mobile terminal (dedicated CDMA terminal) with a SIM card inserted sends IMSI information stored in the SIM card and MIN information of the mobile terminal to the gateway location register (GLR), and the GLR sends the MIN-IMSI mapping table to the GLR. It is formed in (S100). This step will be described in more detail with reference to FIG. 2.

Convert it to be accepted by the CDMA network received from the GSM network and transmit it to the CDMA terminal, convert the authentication response parameter received from the terminal back into a message that can be accepted by the CDMA network, and then transmit the message to the GSM network for authentication. Providing a procedure to perform location registration (S200). This step will be described in more detail with reference to FIG. 3.

FIG. 2 illustrates the steps in which the mobile terminal inserting the SIM card of FIG. 1 transmits IMSI information stored in the SIM card and MIN information of the mobile terminal to the gateway location register (GLR), and the GLR forms a MIN-IMSI mapping table. This is a flow chart to explain.

2, when the GSM SIM card is inserted into the mobile terminal 10 and the power is turned on, the mobile terminal moves the IMSI information stored in the SIM card in a data burst message used in the IS-95 standard, and moves. The MIN information of the terminal is transmitted to the CDMA MSC 20 through a CDMA base station (not shown) (S110). At this time, the main parameters included in the data burst message are as follows.

Parameter name value meaning BURST_TYPE 3 IS-637 NUM_FIELD - Message length (octet) CHARiSMS_MSG_TYPETeleserviceIndicatorDestinationAddressBearerReplyOptionBearer DataSub Parameter IDSub Parameter LenMSG_IDIMSIESN -0063100 --- 0x3-- Message Contents MIN value of TID terminal for SMS Point-to-Point GSM authentication Acknowledgment parameter IMSI Registration: 8bitsIMSI value BCD format (encoding the remaining nibble with 0xf) Terminal ESN value

In step S120, the CDMA switching center 20 that has received the data burst message, regardless of the current visitor location register (VLR) state (not shown), uses the SMDPP invoke used in the IS-41.MAP standard. The IMPP information and the MIN information are included in the SMDPP Invoke message and transmitted to the Gateway Location Register (GLR) 30. At this time, the parameters included in the SMDPP Invoke message are as follows.

Parameter name value meaning SMS_BearerData - Bearer Data received from terminal SMS_TeleserviceIndicator 63100 TID for GSM Authentication Message SMS_DestinationAddress - MIN value of the terminal

Here, the GLR 30 is an essential network element for international roaming between CDMA and GSM, and performs switching between the IS-41.MAP signal used in the CDMA network and the GSM MAP signal used in the GSM.

In step S130, the GLR 30 reads IMSI information and MIN information included in the received SMDPP invoke message, stores them in the IMSI-MIN mapping table in the GLR 30, refers to them as necessary, and responds (SMDPP RESULT). ) Message to the CDMA switch 20.

In step S140, the CDMA exchanger 20 transmits a layer 3 response message (Data Burst Message) to the mobile terminal 10, and the mobile terminal 10 that receives the message is switched to a service on state. At this time, the main parameters included in the Layer 3 response message are as follows.

Parameter name value meaning BURST_TYPE 3 IS-637 NUM_FIELD - Message length (octet) CHARiSMS_MSG_TYPECause CodeError Class -02-00 Message Contents SMS Acknowledge Completed

FIG. 3 is a flow chart illustrating in detail the steps of registering a mobile terminal by converting the GSM authentication message and the authentication response message of FIG. 1 into an acceptable message in a CDMA network and performing an authentication procedure of a GSM subscriber.

In this case, the GSM network must perform an authentication procedure at the time of registration of the first location of the GSM terminal. Even when the GSM subscriber roams into the CDMA network, the GSM subscriber undergoes an authentication procedure from the GSM network and completes the location registration procedure only when there is no error.

Therefore, the GSM subscriber performs the location registration procedure after performing the authentication procedure as shown in FIG. 3 when inbound roaming to the CDMA network.

In FIG. 3, the mobile terminal 10 transmits the IMSI information stored in the SIM card and the MIN information of the mobile terminal to the gateway location register (GLR), and the GLR performs MIN-IMSI mapping. After the step of forming the table in the GLR, a registration message conforming to the IS-95 standard is transmitted to a CDMA switch (CDMA MSC) 20 through a CDMA base station (not shown) (S210). This location registration message includes the MIN and ESN of the mobile terminal and the type of location registration (Power-Up Registration), which is the same as the power-up registration message of a general CDMA terminal.

The main parameters included in this location registration message are as follows.

Parameter name value meaning MIN - MIN of the terminal ESN - ESN of the terminal REG_TYPE 0001 Power-Up Registration

In step S220, the CDMA switch 20 that receives the location registration message from the mobile terminal 10 queries the visitor location register (VLR) (not shown) to confirm that there is no data for the current GSM subscriber, and the location registration message. Transmits a Registration Notification Invoke message conforming to the IS-41.MAP standard to the Gateway Location Register (GLR) 30. At this time, the main parameters included in the location registration recognition invoke message is as follows.

Parameter name value meaning ElectronicSerialNumber - ESN of the terminal MobileIdentificationNumber - MIN of the terminal SystemAccessType 255 Power-On Registration

Herein, the location recognition aware invoke message includes a parameter defined as "System Access Type = 255", and this parameter distinguishes between a general location registration awareness invoke message and a location registration awareness invoke message for GSM inbound roaming. Play a role.

In step S230, the GLR 30 receiving the authentication request message from the CDMA switch 20 transmits an authentication vector request message (MAP_Send_Authentication_ Info) to the GSM Home Location Register (HLR) 40 to secure the authentication data. Here, the authentication vector request message includes the IMSI information of the GSM subscriber.

In step S240, the GSM HLR 40 transmits authentication vector values SRES, Kc, and RAND to the GLR 30 as a response to the authentication vector request message.

In step S250, the GLR 30 stores the authentication vector value transmitted from the GSM HLR 40, and then in step S260 sends a SMDPP Invoke message for GSM authentication to the CDMA switch 20. At this time, the main parameters included in the SMDPP Invoke message are as follows.

Parameter name value meaning SMS_BearerDataMSG_IDRANDIndex -0x1-- GSM Authentication Message GSM Power-On Auth Request: 8bits Random number for GSM authentication: 128 bits GLR Index: 16 bits SMS_TeleserviceIndicator 63100 TID for GSM Authentication Message MobileIdentificationNumber - MIN of the terminal ElectronicSerialNumber - ESN of the terminal SMS_OriginatingAddress -

As shown in the table, the RAND value is included in bearer data of the SMDPP invoke message.

In step S270, the CDMA switch 20 that receives the SMDPP Invoke message transmits a data burst message to the mobile terminal 10 through the CDMA base station (not shown). At this time, the CDMA switch 20 should be able to handle the GSM subscriber's origination / reception rights, even if the SMS origination / reception rights are restricted, and should also be able to allocate the call channel according to the message length. The main parameters included in this data burst message are:

Parameter name value meaning BURST_TYPE 3 IS-637 NUM_FIELD - Message length (octet) CHAR - Message content SMS_MSG_TYPETeleserviceIdentifierOriginatingAddressBearerData 0063100-- SMS_BearerData part of TID-SMDPP for SMS Point-To-PointGSM authentication messages

Here, as shown in the above table, the data burst message has a RAND value contained in bearer data, and a GSM SIM card (not shown) inserted in the mobile terminal 10 uses this RAND value. Run the algorithm required for authentication.

In step S280, the CDMA switch 20 that receives the Layer 2 response message for the data burst message from the mobile terminal 10 transmits a response message (SMDPP RESULT MESSAGE) for the SMDPP invoke message to the GLR 30.

In step S290, the mobile terminal 10 receives the RAND value in the data burst message transmitted from the CDMA switch 20, and then transfers the RAND value to a GSM SIM card (not shown) for authentication request. The GSM SIM card (not shown) calculates the SRES value using its own GSM authentication algorithm embedded in the SIM card and transmits the SRES value to the mobile terminal 10.

In step S300, the mobile terminal 10 transmits the data burst message including the SRES value in the bearer data to the CDMA switch 20 again. At this time, call channel allocation should be possible according to the message length. The main parameters included in this data burst message are:

Parameter name value meaning BURST_TYPE 3 IS-637 NUM_FIELD - Message length (octet) CHARiSMS_MSG_TYPETeleserviceIndicatorDestinationAddressBearerReplyOptionBearer DataMSG_IDSRESIndex -0063100 --- 0x2-- Message Content MIN value of TID terminal for SMS Point-to-Point GSM authentication Acknowledgment message GSM authentication request message GSM Power-On Auth Response: 8bits Authentication result value: 32 bits Index value received from GLR: 16 bits

In step S310, the CDMA switch 20 sees the "TeleserviceIndicator" in the data burst message sent from the mobile terminal 10 and confirms that it is a GSM authentication related message, and in step S260 the SERS value in the bearer data received from the GLR 30. The SMDPP invoke message including the message is transmitted to the GLR 30. At this time, the CDMA switch 20 should be able to process the message regardless of origination / reception and SMS origination / reception authority. The main parameters included in are as follows.

Parameter name value meaning SMS_BearerData - BearerData received from the terminal SMS_TeleserviceIndicator 63100 TID for GSM Authentication Message MobileIdentificationNumber - Subscriber MIN ElectronicSerialNumber Subscriber ESN

In step S320, the GLR 30 retrieves the authentication vector values stored in step S250, and compares the SERS value transmitted from the CDMA switch 20 with the stored SRES value.

In step S330, the GLR 30 confirms that the received SRES value and the stored SRES value are the same, and transmits a location registration (MAP_UPDATE_LOC) message to the GSM HLR 40.

In step S340, the GSM HLR 40 receiving the location registration message from the GLR 30 transmits the subscriber data transmission message to the GLR 30, and in step S350, the GLR 30 responds to the subscriber data transmission message. To the GSM HLR 40.

In step S360, the GSM HLR 40 sends a response message to the location registration message to the GLR 30, and in step S370 the GLR 30 sends a response message to the SMDPP invoke message to the CDMA switch 20. do.

In step S380, the CDMA switch 20 transmits the Layer 3 response message to the mobile terminal 10 as it receives the response message for the SMDPP invoke message. At this time, the main parameters included in the Layer 3 response message are as follows. Upon receiving this, the mobile terminal 10 releases the call channel and switches to a usable state.

Parameter name value meaning BURST_TYPE 3 IS-637 NUM_FIELD - Message length (octet) CHARiSMS_MSG_TYPECause CodeError Class -02-00 Message Contents SMS Acknowledge Completed

In step S390, the GLR 30 transmits a response message to the CDMA switch 20 in response to the location registration recognition invoke message as all GSM authentication procedures are completed. At this time, the main parameters included in the response message is as follows.

Parameter name value meaning AuthorizationPeriod 0x0218 24 hours ProfileAuthenticationCapabilityDMH_AlternateBillingDigitsOriginationTriggers 0x01-- Not Required Information for Triggering Call Trigger Information

As described above, according to the present invention, when the GSM subscriber inbound roams into the CDMA network, a dedicated CDMA terminal capable of inserting the SIM card of the GSM subscriber is used, and the IMSI of the GSM subscriber used in the GSM network is transferred to the CDMA network. In addition, by supporting the authentication procedure required for GSM authentication in the CDMA network, the GSM subscriber can be located in the CDMA network while maintaining the MIN system of the CDMA network without major modifications to accommodate the GSM subscriber's IMSI. Can be.

In the above, the present invention has been described and described with respect to certain preferred embodiments. However, the present invention is not limited to the above-described embodiments, and those skilled in the art to which the present invention pertains have various changes without departing from the spirit of the technical idea of the present invention described in the claims below. Could be done.

Claims (14)

As a method of registration of a GSM subscriber in a CDMA network using a mobile terminal in which a SIM card containing an IMSI information identifying a GSM subscriber and an algorithm required for GSM authentication is inserted: The mobile terminal transferring the IMSI information stored in the SIM card and the MIN information of the mobile terminal to a gateway location register, wherein the gateway location register forms a MIN-IMSI mapping table in the gateway location register; And Converting a GSM authentication message and an authentication response message into an acceptable message in a CDMA network and performing an authentication procedure of the GSM subscriber to register the location of the mobile terminal. The method of claim 1, wherein the mobile terminal transmits the IMSI information stored in the SIM card and the MIN information of the mobile terminal to a gateway location register, and forms a MIN-IMSI mapping table in the gateway location register. The mobile terminal sending a data burst message to a CDMA switch; Sending, by the CDMA exchange, a SMDPP Invoke message to the gateway location register; Reading IMSI information and MIN information included in the SMDPP invoke message received by the gateway location register, storing the IMSI information and MIN information in an IMSI-MIN mapping table in the gateway location register, and transmitting a response message to the CDMA exchange; And And sending, by the CDMA exchange, a response message to the mobile terminal, wherein the mobile terminal is switched to a service on state. 3. The method of claim 2 wherein the data burst message comprises the IMSI information and the MIN information. 3. The method of claim 2 wherein the SMDPP Invoke message includes the IMSI information and the MIN information. The method of claim 1, wherein converting the GSM authentication message and the authentication response message into an acceptable message in a CDMA network and performing an authentication procedure of the GSM subscriber to register the location of the mobile terminal: When the mobile terminal requests a location registration, the gateway location register sends an authentication vector request message to a GSM home location register to store the authentication vector values transmitted from the GSM home location register; The mobile terminal calculating an SRES value using the authentication vector value transmitted from the gateway location register, and transmitting the calculated SRES value to the gateway location register to perform an authentication procedure; And And performing a location registration procedure of the mobile terminal. 6. The method of claim 5, wherein when the mobile terminal requests a location registration, the gateway location register sends an authentication vector request message to a GSM home location register to store the authentication vector values transmitted from the GSM home location register. Sending, by the mobile terminal, a location registration message to a CDMA switch; Querying, by the CDMA exchange, a visitor location register, converting the location registration message into a Location Notification Invoke message and sending it to a gateway location register; Sending, by the gateway location register, the authentication vector request message to the GSM home location register to obtain authentication data; Sending, by the GSM home location register, the authentication vector values to the gateway location register in response to the authentication vector request message; And And storing, by the gateway location register, the authentication vector values. 6. The method of claim 5, wherein the mobile terminal calculates an SRES value using the authentication vector value transmitted from the gateway location register and transmits the calculated SRES value to the gateway location register to perform an authentication procedure. The gateway location register sending a SMDPP Invoke message to the CDMA exchange; The CDMA exchange sending a data burst message to the mobile terminal; The CDMA exchange receiving the response message for the data burst message from the mobile terminal, sending a response message for the SMDPP Invoke message to the gateway location register; The SIM card of the mobile terminal receives the data burst message and calculates the SRES value using a GSM authentication algorithm; Sending, by the mobile terminal, a data burst message including the SRES value in bearer data to the CDMA switch; The CDMA exchange viewing the data burst message sent from the mobile terminal to confirm that the message is a GSM authentication related message; Sending, by the CDMA exchange, a SMDPP Invoke message including the SERS value in the bearer data to the gateway location register; And And the gateway location register searching for the authentication vector values and comparing the authentication vector values with the SERS value sent from the CDMA switch. 6. The method of claim 5, wherein performing the location registration procedure of the mobile terminal: The gateway location register sending a location registration message to the GSM home location register; The GSM home location register sending a subscriber data transfer message to the gateway location register; The gateway location register sending a response message to the GSM home location register in response to the subscriber data transmission message; Sending, by the GSM home location register, a response message to the location registration message to the gateway location register; The gateway location register sending a response message to the CDMA exchange to the SMDPP invoke message; The CDMA exchange sending a response message to the mobile terminal in response to a response message of the SMDPP invoke message; And And sending, by the gateway location register, a response message to the location registration aware invoke message to the CDMA switch. 7. The method of claim 6, wherein the location registration message includes a MIN, ESN, and location registration type of a mobile terminal. 7. The method of claim 6, wherein the location registration aware invoke message comprises a parameter for distinguishing a general location registration invoke message from a location registration aware invoke message for GSM inbound roaming. 7. The method of claim 6, wherein the authentication vector request message includes IMSI information of a GSM subscriber. 8. The method of claim 7, wherein the SMDPP Invoke message comprises a RAND value. 8. The method of claim 7, wherein the data burst message includes a RAND value in bearer data. A mobile terminal used in the method for registering a location of a GSM subscriber according to any one of claims.