KR100347325B1 - Device and method for processing cell broadcast service in imt-2000 system - Google Patents

Abstract

The present invention relates to a cell broadcast service processing apparatus and method in an IMT-2000 system, and more particularly, to a cell broadcast service processing apparatus and method in an IMT-2000 system for transmitting a short message to all terminals existing in a specific region at one time. The present invention relates to a cell broadcast service processing apparatus and method in an IMT-2000 system according to the present invention, which can provide a higher quality service to mobile subscribers by realizing a cell dispatch additional service in a mobile communication system. It has an outstanding effect.

Description

Apparatus and method for processing cell broadcast service in IMT-2000 system {DEVICE AND METHOD FOR PROCESSING CELL BROADCAST SERVICE IN IMT-2000 SYSTEM}

The present invention relates to an apparatus and a method for processing a cell broadcasting service (CBS) in an International Mobile Telecommunication (IMT) -2000 system, and more particularly, to all terminals existing in a specific region. The present invention relates to a cell broadcast service processing apparatus and method in an IMT-2000 system for sending a short message to a user at a time.

As you know, CDMA Short Message Service (SMS) is a message center store and forward function, Code Division Multiple Access (CDMA) access, paging channel, and call channel. Means a service for exchanging short text messages between mobile terminals or between a mobile terminal and a message input device.

In addition, the cell broadcast service uses a paging channel in a CDMA wireless channel of SMS (Short Message Service) service to send a greeting, traffic situation, disaster, etc. from a message input device to a mobile terminal of a certain region or a specific group of mobile terminals. It means a one-way message service that sends out the same short message at once.

Therefore, the difference between the SMS service and the cell broadcast service described above is that if the SMS service transmits a message to only one specific terminal, the cell broadcast service is a service that transmits a message to all mobile terminals existing in a specific region at one time. .

However, in the conventional mobile communication system, the SMS (Short Message Service) service as described above can be supported, but it is impossible to send a message to all terminals existing in a specific region, such as a Cell Broadcasting Service. As a result, there is a problem in that it cannot provide a higher quality service to mobile subscribers.

Accordingly, the present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a higher quality service to mobile subscribers by realizing a cell dispatch additional service in a mobile communication system. An apparatus and method for processing cell broadcast services in a -2000 system are provided.

In order to achieve the above object, the cell broadcast service processing apparatus in the IMT-2000 system of the present invention comprises a cell broadcast service entity for generating and transmitting a cell broadcast message including specific area information according to an operator's command, and A cell broadcast system including a cell broadcast center configured to receive a cell broadcast message including specific region information from a cell broadcast service entity, convert the cell broadcast message into a SMDPP message format, and transmit the converted message; And

Receives a cell broadcast message of SMDPP format including specific area information from the cell broadcast center and simultaneously decodes and transmits the cell broadcast message, and receives a cell broadcast message including specific area information from the LEI block. MPC which sets ID information of a control station and base stations corresponding to a specific region in a cell broadcast message and transmits the cell broadcast message, and receives a cell broadcast message including specific control station and base station ID information from the MPC. It is characterized in that it consists of an exchange station having an MSA for transmitting cell broadcast messages to all terminals located in a specific area through the.

In addition, the present invention provides a method for processing a cell broadcast service in an IMT-2000 system, comprising: a first step of the cell broadcast system transmitting a cell broadcast message of a SMDPP format including specific region information to an LEI block in an exchange station;

A second step of the LEI block receiving a cell broadcast message of a SMDPP format including specific region information from the cell broadcast system and decoding the same;

A third step of determining, by the LEI block, whether the cell broadcast message (SMDPP) is an SMS message or a cell broadcast service message;

If the cell broadcast message of the SMDPP format received from the cell broadcast system in the third step is a cell broadcast service message, whether the LEI block includes ID information for specific base stations in the cell broadcast message (SMDPP). Determining a fourth step;

A fifth step in which the LEI block transmits a cell broadcast request message (CB_SMSMsg_RQ) including specific region information to the MPC when the cell broadcast message (SMDPP) does not include ID information for specific base stations in the fourth step; step;

The MPC receives a cell broadcast request message (CB_SMSMsg_RQ) including specific region information from the LEI block and simultaneously generates a cell broadcast request processing message (CB_SMSMsg_RG_MI) by setting IDs of specific control stations and base stations in the message. A sixth step of transmitting to the MSA;

The MSA receives and interprets a cell broadcast request processing message (CB_SMSMsg_RG_MI) from the MPC, generates a corresponding cell broadcast transmission message (CB_Send_Msg), and then sends the cell broadcast transmission message (CB_Send_Msg) to a corresponding control station and base stations. Transmitting to the seventh step; And

And an eighth step of the control station and the base station transmitting the cell broadcast text message (Data Burst Msg) to all terminals belonging to the terminal after receiving the cell broadcast transmission message (CB_Send_Msg) from the MSA in the switching center. .

1 is a functional block diagram showing the configuration of a cell broadcast service processing apparatus in an IMT-2000 system according to an embodiment of the present invention;

2 is an operation flowchart showing a cell broadcast service processing method in an IMT-2000 system according to an embodiment of the present invention;

3 is a signal flowchart for explaining a cell broadcast service processing method in an IMT-2000 system according to FIG. 2;

4 is a diagram illustrating a configuration of a cell broadcast message (CB_SMSMsg_RQ) transmitted by an LEI block to an MPC in a fifth step S5 of a cell broadcast service processing method in an IMT-2000 system according to FIG. 2;

FIG. 5 is a diagram illustrating the configuration of a cell broadcast request processing message (CB_SMSMsg_RG_MI) transmitted by the MPC to the MSA in the sixth step S6 of the cell broadcast service processing method in the IMT-2000 system according to FIG. 2;

FIG. 6 is a diagram illustrating a configuration of a cell broadcast transmission message (CB_Send_Msg) transmitted by an MSA to a control station and a base station in a seventh step (S7) of a cell broadcast service processing method in an IMT-2000 system according to FIG. 2;

FIG. 7 is a diagram illustrating a configuration of a cell broadcast request processing message (CB_SMSMsg_RG_MI) transmitted by an LEI block to an MSA in step 10 of the cell broadcast service processing method of the IMT-2000 system according to FIG. 2;

FIG. 8 is a diagram illustrating a configuration of a cell broadcast transmission message (CB_Send_Msg) transmitted by an MSA to a corresponding control station and base stations in step 11 of the cell broadcast service processing method of the IMT-2000 system according to FIG. 2. .

<Explanation of symbols for the main parts of the drawings>

100: cell broadcast system 101: cell broadcast service entity

102: cell broadcasting center 200: switching center

201: LEI block 202: MPC

203: MSA 300: control station

400: base station

Hereinafter, an apparatus and method for processing cell broadcast services in an IMT-2000 system according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a functional block diagram of a according to an embodiment of the present invention, wherein the apparatus for processing cell broadcast services in an IMT-2000 system according to an embodiment of the present invention includes a cell broadcasting system (Cell Broadcasting System) 100; Location register execution interface (LEI) (hereinafter referred to as LEI) block 201, Mobile Paging Control Block (MPC) 202, and Mobile Signaling Access Block (MSA) (hereinafter referred to as MSA) ( An exchange station 200 having 203; Control station 300; And a base station 400.

The cell broadcasting system 100 is a system for providing a cell broadcasting service to all terminals 1 present in a specific area, and includes a cell broadcasting service entity (CBSE) 101 and a cell broadcasting center (CBC). : Cell Broadcasting Center) 102 is provided.

In this case, the cell broadcast service entity 101 mounted in the cell broadcast system 100 may store and retrieve / process information received externally, transmit and receive statistics to broadcast, and transmit and transmit each message. A processor that performs a region setting / change function and a fragment delivery transmission function of a long message. When the operator inputs a cell broadcast command including a short text message through the operator terminal 2, the corresponding region information is included. A cell broadcast message is generated and transmitted to the cell broadcast center 102.

In addition, the cell broadcast center 102 mounted in the cell broadcast system 100 may interface with the cell broadcast service entity 101, convert a received message into an SMDPP message, process statistics, and transmit a failure message. As a system for performing a retransmission function, when the cell broadcast service entity 101 transmits a cell broadcast message including specific area information, the cell broadcast message entity receives the input and converts the cell broadcast message into an SMDPP message format and then converts the LEI block into the LEI block in the switching center 200. It serves to transmit to 201.

Meanwhile, the LEI block 201 installed in the switching center 200 receives a cell broadcast message of SMDPP format including specific region information from the cell broadcast center 102 and simultaneously decodes the cell broadcast message in a specific base station. It is determined whether the ID information is included, and if the specific BS ID information is not included in the cell broadcast message of the SMDPP format, the MPC 202 sends a cell broadcast request message (CB_SMSMsg_RQ) including the specific area information. On the other hand, if a specific base station ID information is included in the cell broadcast message of the SMDPP format, the MSA 203 transmits a cell broadcast request processing message (CB_SMSMsg_RG_MI) including ID information of a specific control station and base stations. Do it.

In addition, when the MPC 202 mounted in the switching center 200 transmits a cell broadcast request message (CB_SMSMsg_RQ) including specific region information in the LEI block 201, the MPC 202 may receive a specific control station and the received control message. The ID of the base stations is set to generate a cell broadcast request processing message (CB_SMSMsg_RG_MI) and simultaneously transmit to the MSA 203.

Meanwhile, the MSA 203 installed in the switching center 200 transmits a cell broadcast request processing message (CB_SMSMsg_RG_MI) transmitted from the LEI block 201 or a cell broadcast request processing message (CB_SMSMsg_RG_MI) transmitted from the MPC 202. When received, the message is interpreted and the corresponding cell broadcast transmission message (CB_Send_Msg) is generated and transmitted to the corresponding control station 300 and base station 400.

In addition, when the control station 300 receives the cell broadcast transmission message (CB_Send_Msg) from the MSA 203 in the switching center 200, the control station 300 interprets the cell broadcast transmission message (CB_Send_Msg) and all the base stations 400 connected to it. The base station 400 is found from among the cells, and then the cell broadcast text message (Data Burst Msg) is transmitted to the base station 400.

On the other hand, when the base station 400 receives the cell broadcast text message (Data Burst Msg) from the control station 300, it transmits it to all the terminals (1) connected to it.

Next, a cell broadcast service processing method in an IMT-2000 system according to an embodiment of the present invention using a cell broadcast service processing apparatus in an IMT-2000 system having the above-described configuration will be described.

2 is an operation flowchart illustrating a cell broadcast service processing method in an IMT-2000 system according to an embodiment of the present invention.

First, when an operator inputs a cell broadcast command including a short text message through an operator terminal 2, the cell broadcast service entity 101 in the cell broadcast system 100 may include a cell including specific region information corresponding thereto. A broadcast message is generated and transmitted to the cell broadcast center 102. Then, the cell broadcast center 102 receives the cell broadcast message including the specific area information from the cell broadcast service entity 101 and converts the cell broadcast message into the SMDPP message format, and then converts the LEI block 201 into the switch station 200. (S1).

Then, the LEI block 201 receives a cell broadcast message of SMDPP format including specific region information from the cell broadcast center 102 and decodes the signal (S2).

Thereafter, the LEI block 201 determines whether the cell broadcast message (SMDPP) is an SMS message or a cell broadcast service message (S3).

At this time, if the cell broadcast message of the SMDPP format received from the cell broadcast system in the third step (S3) is a cell broadcast service message (YES), the LEI block 201 specifies specific base stations in the cell broadcast message (SMDPP). It is determined whether or not ID information is included (S4).

If the ID information for the specific base stations is not included in the cell broadcast message SMDPP in the fourth step S4 (NO), the LEI block 201 may transmit a cell broadcast request message including specific area information (NO). CB_SMSMsg_RQ) 10 is transmitted to the MPC 202 (S5). The cell broadcast request message (CB_SMSMsg_RQ) 10 described above includes a broadcast category field 10a storing a broadcast category, a data length field 10b storing length information of cell broadcast text data, as shown in FIG. A data field 10c storing cell broadcast text data displayed through the terminal, an address field 10d storing a broadcast address, a zone ID count field 10e storing ID numbers of specific regions to which cell broadcast text data is to be transmitted, And a zone ID field 10f in which ID information of a specific region to which cell broadcast text data is to be transmitted is stored.

Then, the MPC 202 receives the cell broadcast request message (CB_SMSMsg_RQ) 10 including the specific region information from the LEI block 201 and at the same time the specific control station 300 and the base station 400 The cell broadcast request processing message (CB_SMSMsg_RG_MI) 20 is generated by setting the IDs of the mobile stations and then transmitted to the MSA 203 (S6). Here, the cell broadcast request processing message (CB_SMSMsg_RG_MI) 20 described above includes a data field 20a storing cell broadcast text data displayed through a terminal and length information of cell broadcast text data as shown in FIG. 5. It is composed of a data length field 20b, a broadcast category field 20c in which a broadcast category is stored, an address field 20d in which a broadcast address is stored, and a base station ID field 20e in which ID information of base stations existing in a specific region is stored. .

Subsequently, the MSA 203 receives and interprets a cell broadcast request processing message (CB_SMSMsg_RG_MI) 20 from the MPC 202, and then generates a corresponding cell broadcast transmission message (CB_Send_Msg) 30, and thereafter. The cell broadcast transmission message (CB_Send_Msg) 30 is transmitted to the corresponding control station 300 and the base station 400 (S7). Here, the above-described cell broadcast transmission message (CB_Send_Msg) 30, as shown in Figure 6, the cell broadcast message (CB_Msg_Data) field 30a in which various kinds of information about the cell broadcast text message are stored, and present in a specific region Base station ID list information (Cell_Identifier_List) field 30b in which information about the base stations 400 is stored is configured. In this case, the cell broadcast message (CB_Msg_Data) field 30a is an identifier field 31a in which an identifier indicating that the cell broadcast message (CB_Msg_Data) is stored, a data length field 32a in which length information of a cell broadcast message (CB_Msg_Data) is stored, and a cell. An address field 33a in which an address of a broadcast message CB_Msg_Data is stored, and a data field 34a in which cell broadcast character data displayed through a terminal is stored, while the base station ID list information (Cell_Identifier_List) field 30b is provided. Is an identifier field 31b in which an identifier indicating that the base station ID list information (Cell_Identifier_List) is stored, a data length field 32b in which the length of the base station ID list information (Cell_Identifier_List) is stored, and a message configuration identifier field 33b in which message configuration identifier information is stored. And a cell ID field 34b in which selection identifiers for the corresponding base stations 400 are stored.

Then, the control station 300 and the base station 400 receives the cell broadcast transmission message (CB_Send_Msg) from the MSA 203 in the switching center 200, and then sends a cell broadcast text message to all terminals 1 belonging to it. (Data Burst Msg) is transmitted (S8). Therefore, all the terminals 1 belonging to the base station 400 will display a short text message, that is, a message such as traffic conditions, New Year's greetings, disasters, etc. to the user.

On the contrary, if the SMDPP format cell broadcast message received from the cell broadcast center 102 in the third step S3 is an SMS message rather than a cell broadcast service message (NO), the LEI block 201 performs normal SMS processing. Perform the operation (S9).

On the other hand, if the ID information for the specific base station 400 is included in the cell broadcast message (SMDPP) in the fourth step (S4) (YES), the LEI block 201 is the ID of the specific base station 400 A cell broadcast request processing message (CB_SMSMsg_RG_MI) 40 including information is generated and transmitted to the MSA 203 (S10). Here, the cell broadcast request processing message (CB_SMSMsg_RG_MI) 40 described above includes a data field 40a storing cell broadcast text data displayed through the terminal and length information of cell broadcast text data as shown in FIG. It is composed of a data length field 40b, a broadcast category field 40c in which a broadcast category is stored, an address field 40d in which a broadcast address is stored, and a base station ID field 40e in which ID information of base stations existing in a specific region is stored. .

Then, the MSA 203 receives and interprets a cell broadcast request processing message (CB_SMSMsg_RG_MI) 40 from the LEI block 201 and generates a corresponding cell broadcast transmission message (CB_Send_Msg) 50 thereafter. The cell broadcast transmission message (CB_Send_Msg) 50 is transmitted to the control station 300 and the base station 400 (S11). Here, the cell broadcast transmission message (CB_Send_Msg) 50 described above is present in the cell broadcast message (CB_Msg_Data) field 50a in which various kinds of information about the cell broadcast text message are stored, and in a specific region. Base station ID list information (Cell_Identifier_List) field 50b in which information about the base stations 400 is stored is configured. In this case, the cell broadcast message (CB_Msg_Data) field 50a includes an identifier field 51a in which an identifier indicating that the cell broadcast message (CB_Msg_Data) is stored, a data length field 52a in which length information of the cell broadcast message (CB_Msg_Data) is stored, and a cell. An address field 53a in which an address of a broadcast message CB_Msg_Data is stored, and a data field 54a in which cell broadcast character data displayed through a terminal is stored, while the base station ID list information (Cell_Identifier_List) field 50b is provided. Is an identifier field 51b in which an identifier indicating that the base station ID list information (Cell_Identifier_List) is stored, a data length field 52b in which a length of the base station ID list information (Cell_Identifier_List) is stored, and a message configuration identifier field 53b in which message configuration identifier information is stored. And a cell ID field 54b in which selection identifiers for the base stations 400 are stored.

Subsequently, the control station 300 and the base station 400 receive the cell broadcast transmission message (CB_Send_Msg) 50 from the MSA 203 in the switching center 200 and then transmit the cell to all terminals 1 belonging to the control station 300 and the base station 400. The broadcast text message (Data Burst Msg) is transmitted (S12). Therefore, all the terminals 1 belonging to the base station 400 will display a short text message, that is, a message such as traffic conditions, New Year's greetings, disasters, etc. to the user.

As described above, according to the cell broadcast service processing apparatus and method in the IMT-2000 system according to the present invention, by providing a cell dispatch additional service to the mobile communication system, it is possible to provide a higher quality service to mobile subscribers. Excellent effect.

Claims (13)

A cell broadcast service entity that generates and transmits a cell broadcast message including specific area information according to an operator's command, and receives a cell broadcast message including specific area information from the cell broadcast service entity and converts it into SMDPP message format. A cell broadcasting system having a cell broadcasting center for transmitting the data; And Receives a cell broadcast message of SMDPP format including specific area information from the cell broadcast center and simultaneously decodes and transmits the cell broadcast message, and receives a cell broadcast message including specific area information from the LEI block. MPC which sets ID information of a control station and base stations corresponding to a specific region in a cell broadcast message and transmits the cell broadcast message, and receives a cell broadcast message including specific control station and base station ID information from the MPC. Cell switching service processing apparatus in an IMT-2000 system, characterized in that consisting of an exchange station having an MSA for transmitting a cell broadcast message to all terminals located in a specific area. A first step of the cell broadcasting system transmitting a cell broadcast message of SMDPP format including specific region information to an LEI block in an exchange station; A second step of the LEI block receiving a cell broadcast message of a SMDPP format including specific region information from the cell broadcast system and decoding the same; A third step of determining, by the LEI block, whether the cell broadcast message (SMDPP) is an SMS message or a cell broadcast service message; If the cell broadcast message of the SMDPP format received from the cell broadcast system in the third step is a cell broadcast service message, whether the LEI block includes ID information for specific base stations in the cell broadcast message (SMDPP). Determining a fourth step; A fifth step in which the LEI block transmits a cell broadcast request message (CB_SMSMsg_RQ) including specific region information to the MPC when the cell broadcast message (SMDPP) does not include ID information for specific base stations in the fourth step; step; The MPC receives a cell broadcast request message (CB_SMSMsg_RQ) including specific region information from the LEI block and simultaneously generates a cell broadcast request processing message (CB_SMSMsg_RG_MI) by setting IDs of specific control stations and base stations in the message. A sixth step of transmitting to the MSA; The MSA receives and interprets a cell broadcast request processing message (CB_SMSMsg_RG_MI) from the MPC, generates a corresponding cell broadcast transmission message (CB_Send_Msg), and then sends the cell broadcast transmission message (CB_Send_Msg) to a corresponding control station and base stations. Transmitting to the seventh step; And And an eighth step of the control station and the base station transmitting the cell broadcast text message (Data Burst Msg) to all terminals belonging to the terminal after receiving the cell broadcast transmission message (CB_Send_Msg) from the MSA in the switching center. A cell broadcast service processing method in an IMT-2000 system. The method of claim 2, In the fifth step, the cell broadcast request message (CB_SMSMsg_RQ) transmitted by the LEI block to the MPC may include: a broadcast category field in which a broadcast category is stored; A data length field in which length information of cell broadcast text data is stored; A data field in which cell broadcast text data displayed through the terminal is stored; An address field in which a broadcast address is stored; A John ID count field in which the number of IDs of a specific region to which cell broadcast text data is to be transmitted is stored; And A cell broadcast service processing method in an IMT-2000 system, comprising: a zone ID field in which ID information of a specific region to which cell broadcast text data is to be transmitted is stored. The method of claim 2, In the sixth step, the cell broadcast request processing message (CB_SMSMsg_RG_MI) transmitted by the MPC to the MSA includes: a data field storing cell broadcast text data displayed through a terminal; A data length field in which length information of cell broadcast text data is stored; A broadcast category field in which a broadcast category is stored; An address field in which a broadcast address is stored; And A method of processing a cell broadcast service in an IMT-2000 system, wherein the base station ID field stores ID information of base stations existing in a specific region. The method of claim 2, In the seventh step, the cell broadcast transmission message (CB_Send_Msg) transmitted by the MSA to the corresponding control station and the base stations may include: a cell broadcast message (CB_Msg_Data) field in which various information about the cell broadcast text message is stored; And A method of processing a cell broadcast service in an IMT-2000 system, comprising: a base station ID list information (Cell_Identifier_List) field in which information about base stations existing in a specific region is stored. The method of claim 5, The cell broadcast message (CB_Msg_Data) field may include: an identifier field in which an identifier indicating that the cell broadcast message (CB_Msg_Data) is stored; A data length field in which length information of the cell broadcast message (CB_Msg_Data) is stored; An address field storing an address of a cell broadcast message (CB_Msg_Data); And A method of processing a cell broadcast service in an IMT-2000 system, comprising: a data field storing cell broadcast text data displayed through a terminal. The method of claim 5, The base station ID list information (Cell_Identifier_List) field may include an identifier field in which an identifier indicating that the base station ID list information (Cell_Identifier_List) is stored; A data length field in which a length of base station ID list information (Cell_Identifier_List) is stored; A message configuration separator field in which message configuration separator information is stored; And The cell broadcast service processing method of an IMT-2000 system, wherein the selection identifier for the base stations is stored in a cell ID field. The method of claim 2, If the cell broadcast message of the SMDPP format received from the cell broadcast system in the third step is an SMS message, the LEI block further includes a ninth step of performing a normal SMS processing operation. Cell broadcast service processing method. The method of claim 2, In the fourth step, if the cell broadcast message (SMDPP) includes ID information for specific base stations, the LEI block generates a cell broadcast request processing message (CB_SMSMsg_RG_MI) including ID information of specific base stations, and then MSA. Transmitting to the tenth step; And The MSA receives and interprets a cell broadcast request processing message (CB_SMSMsg_RG_MI) from the LEI block, generates a corresponding cell broadcast transmission message (CB_Send_Msg), and then outputs the cell broadcast transmission message (CB_Send_Msg) to a corresponding control station and a base station. Transmitting to the network; And And a twelfth step of the control station and the base station transmitting the cell broadcast text message (Data Burst Msg) to all terminals belonging to the terminal after receiving the cell broadcast transmission message (CB_Send_Msg) from the MSA in the switching center. A cell broadcast service processing method in an IMT-2000 system. The method of claim 9, In the tenth step, the cell broadcast request processing message (CB_SMSMsg_RG_MI) transmitted by the LEI block to the MSA includes: a data field in which cell broadcast text data displayed through a terminal is stored; A data length field in which length information of cell broadcast text data is stored; A broadcast category field in which a broadcast category is stored; An address field in which a broadcast address is stored; And A method of processing a cell broadcast service in an IMT-2000 system, wherein the base station ID field stores ID information of base stations existing in a specific region. The method of claim 9, In the eleventh step, the cell broadcast transmission message (CB_Send_Msg) transmitted by the MSA to the corresponding control station and the base stations may include: a cell broadcast message (CB_Msg_Data) field in which various information about the cell broadcast text message is stored; And A method of processing a cell broadcast service in an IMT-2000 system, comprising: a base station ID list information (Cell_Identifier_List) field in which information about base stations existing in a specific region is stored. The method of claim 11, The cell broadcast message (CB_Msg_Data) field may include: an identifier field in which an identifier indicating that the cell broadcast message (CB_Msg_Data) is stored; A data length field in which length information of the cell broadcast message (CB_Msg_Data) is stored; An address field storing an address of a cell broadcast message (CB_Msg_Data); And A method of processing a cell broadcast service in an IMT-2000 system, comprising: a data field storing cell broadcast text data displayed through a terminal. The method of claim 11, The base station ID list information (Cell_Identifier_List) field may include an identifier field in which an identifier indicating that the base station ID list information (Cell_Identifier_List) is stored; A data length field in which a length of base station ID list information (Cell_Identifier_List) is stored; And A message configuration separator field in which message configuration separator information is stored; The cell broadcast service processing method of an IMT-2000 system, wherein the selection identifier for the base stations is stored in a cell ID field.