KR100874549B1 - System and method for emergency information service utilizing broadcast multicast service network and mobile communication terminal for the same - Google Patents

Abstract

An emergency information service system and a mobile communication terminal therefor are provided to offer emergency information which must be served to a specific area, in real time. An emergency information service system utilizing a BCMCS(Broadcast Multicast Service) network comprises the followings: an emergency contents server(30) which transmits an emergency service request message including information about a specific area and broadcasting time information to a multicast center(20) of the BCMCS network, and then registers the emergency contents in the multicast center; the multicast center which multicasts the emergency contents through a data service node of a mobile communication network; a CBS center(40) which broadcasts to mobile communication terminals of the specific area through a specific area exchange; and a mobile communications terminal(10) which receives the emergency contents which the multicast center transmits through a downloading process.

Description

System and Method for Emergency Information Service Utilizing Broadcast Multicast Service Network and Mobile Communication Terminal for the Same}

The present invention relates to an emergency information service system and method using a BCMCS network and a mobile communication terminal therefor, and more particularly, to a multimedia file for emergency information using a multicasting service of a BCMCS network. The present invention relates to an emergency information service system and method using the same and a mobile communication terminal therefor.

BCMCS (Broadcast Multicast Service), which has been standardized in 3GPP2, is a technology that provides a multimedia service regardless of the number of users by adding the same broadcasting channel to all base stations by adding a BCMCS FA to the 1xEV-DO network.

This BCMCS technology saves transmission resources because the base station uses slots to periodically allocate slots and delivers information to subscribers. In addition, the BCMCS technology enables mobile operators to implement broadcast services at a low investment cost. Even at a low fee is available.

In addition, according to the BCMCS technology, bidirectional service is also possible through a reverse link, and since the terminal does not need to include a broadcast receiving module, it has a superior terminal competitiveness and service competitiveness compared to terrestrial DMB or satellite DMB services when the service is introduced. have.

Accordingly, a service of downloading a multimedia file to a mobile communication subscriber is currently provided by utilizing the multicasting scheme of the BCMCS technology. As shown in FIG. 1, when a subscriber subscribes to a specific service (S101), a multicast service is provided. The multicast center including the center and the OTA server informs the subscriber terminal the time when the service is multicasted (the broadcast time of the program) (S102 to S105), and then the CP registers the multicast content to the multicast center. When multicasting the content (S106, S108), the subscriber station monitors the air section at the time (S107) so that the multicasting service is provided by downloading a file transmitted from the multicast center do.

On the other hand, since disaster information or emergency rescue information should be notified to all subscribers in a specific area, not specific subscribers subscribed to the multicasting service, a multicasting service that provides a multimedia file for disaster information or emergency rescue information, etc. It must be available to all subscribers in a specific area regardless of whether the subscriber subscribes to the service. However, current multicasting service is only for service subscribers, so it cannot provide disaster information or emergency rescue information to all terminals.

In addition, since disaster information or emergency rescue information is not determined when the information should be notified, it should be immediately delivered when the situation occurs, so even if the terminal is subscribed to the multicasting service, In order to receive unspecified information, broadcasting channels must be monitored at all times, which causes terminal performance degradation and battery life. Therefore, it is almost impossible to provide disaster information or emergency rescue information using the current multicasting service method. have.

In addition, in the past, a cell broadcasting service (CBS) has been provided that can provide disaster information or emergency rescue information regardless of whether or not to subscribe, but the cell broadcasting service method can provide only text-oriented information. there was.

Therefore, there is a need to provide a system capable of providing disaster information or emergency rescue information by utilizing a multicasting service capable of providing a multimedia file.

Accordingly, the present invention is to solve the above-mentioned disadvantages and problems of the prior art, using the current BCMCS technology that has a competitive advantage in many aspects, without limiting whether to subscribe to a specific service, to target a specific region It is an object of the present invention to provide a service plan for providing emergency information such as disaster information or emergency rescue information to be serviced in real time.

In particular, the present invention can receive the multicasting information only if the terminal knows the broadcasting time in advance, and the current multicasting service that can provide the multimedia file, and whether or not subscribed to all the terminals in a specific region to receive the information in real time Emergency information service system and method using BCMCS network that utilizes existing cell broadcasting services that can be used together, and provides multimedia files for emergency information to all terminals in a specific region without major changes in each service system. The purpose is to provide a mobile communication terminal for this purpose.

In order to achieve the above object, the present invention provides an emergency service including a corresponding area information and a broadcast time information to a multicast center of a BCMCS network when emergency information needs to be broadcast to an unspecified mobile communication terminal of a specific area at a specific time. An emergency content server which transmits a request message and registers emergency content which is multimedia content including corresponding emergency information; On the basis of the emergency service request message from the emergency content server, a cell broadcast request message including corresponding region information and broadcast time information is transmitted to a CBS center providing a cell-based broadcast service, and then the emergency content at the corresponding broadcast time. A multicast center for multicasting emergency contents registered by the server through a data service node of a mobile communication network; A CBS center that generates a cell broadcast message including corresponding broadcast time information based on the cell broadcast request message from the multicast center, and broadcasts the broadcast message to a mobile communication terminal of a corresponding region through a corresponding local exchange; And a mobile communication terminal that monitors a channel at a corresponding broadcast time and downloads emergency contents transmitted by the multicast center as the cell broadcast message is received through an exchange of a local area. Provides an emergency information service system using a BCMCS network including a.

In this case, it is preferable that the emergency content server registers unencrypted emergency content.

The multicast center includes: a content server connected to a data service node of a mobile communication network and transmitting the emergency content to the mobile communication terminal as an IP multicast stream; A controller for generating a service channel for emergency content transmission; It may be configured to include.

Another object of the present invention for achieving the above object is a system for providing a multicasting service utilizing a Broadcast Multicast Service (BCMCS) network, the occurrence of emergency content that must be broadcast to a plurality of unspecified mobile communication terminals of a specific region at a specific time Transmits a cell broadcast request message including region information and broadcast time information to a CBS center providing a cell-based broadcast service, and transmits emergency content registered by the emergency content server at a corresponding broadcast time to a data service node of a mobile communication network. A multicast center for multicasting through; A CBS center that generates a cell broadcast message including corresponding broadcast time information based on the cell broadcast request message from the multicast center, and broadcasts the broadcast message to a mobile communication terminal of a corresponding region through a corresponding local exchange; Provides an emergency information service system using a BCMCS network including a.

The multicast center may include: a content server connected to a data service node of a mobile communication network and transmitting the emergency content to the mobile communication terminal as an IP multicast stream; A controller for generating a service channel for emergency content transmission; It may be configured to include.

In addition, the emergency information service system, when the emergency information is to be broadcast to a plurality of unspecified mobile communication terminals of a specific time at a specific time, the emergency content that is multimedia content containing the emergency information to the multicast center, and the corresponding area information An emergency content server providing broadcast time information; It may further include.

At this time, it is preferable that the emergency content server registers with the multicast center without encrypting the emergency content.

The emergency information service system may include: a mobile communication terminal configured to download emergency content transmitted by the multicast center by monitoring a channel at a corresponding broadcast time when a cell broadcast message including specific broadcast time information is received; It may further include.

Another object of the present invention is to provide a mobile communication terminal for downloading emergency content multicasted from a multicast center of a BCMCS network, comprising: a wireless transceiver for transmitting and receiving wireless signals; A cell broadcast message processor configured to output broadcast time information when a cell broadcast message including broadcast time information is received from a CBS center providing a cell-based broadcast service; A broadcast channel monitoring unit configured to monitor a broadcast channel at a corresponding time based on the output broadcast time information, and download emergency content multicasted from the multicast center at a corresponding time; An emergency content processing unit which outputs the downloaded emergency content to a user interface (UI); It provides a mobile communication terminal comprising a.

The emergency content processor may output the emergency content without performing separate decoding on the downloaded emergency content.

According to another aspect of the present invention, there is provided a method of providing a multicasting service for emergency content using a Broadcast Multicast Service (BCMCS) network, wherein an emergency content server moves a plurality of unspecified locations in a specific area at a specific time. An emergency service request step of transmitting an emergency service request message including corresponding region information and broadcast time information to a multicast center of a BCMCS network when emergency information to be broadcasted to a communication terminal is generated; A cell broadcast request step of transmitting, by the multicast center, a cell broadcast request message including corresponding region information and broadcast time information to a CBS center providing a cell-based broadcast service based on the emergency service request message; Generating, by the CBS center, a cell broadcast message including corresponding broadcast time information based on the cell broadcast request message, and broadcasting the cell broadcast message to a mobile communication terminal of a corresponding region through a corresponding local exchange; ; A content registration step of registering, by the emergency content server, emergency content which is multimedia content including the emergency information with the multicast center; An emergency content multicasting step of the multicast center multicasting emergency content registered by the emergency content server through a data service node of a mobile communication network at a corresponding broadcasting time; It provides an emergency information service method using a BCMCS network including a.

At this time, the emergency information service method, the emergency content download step of the mobile communication terminal receiving the cell broadcast message to download the emergency content transmitted by the multicast center by monitoring the channel at the corresponding broadcast time; It may further include.

Yet another aspect of the present invention is to provide a multicasting service for emergency content using a Broadcast Multicast Service (BCMCS) network, which must be broadcasted to a plurality of unspecified mobile communication terminals in a specific region at a specific time. A cell broadcast request step of transmitting, by the multicast center of the BCMCS network, a cell broadcast request message including corresponding region information and broadcast time information to the CBS center providing a cell-based broadcast service when emergency content is generated; Generating, by the CBS center, a cell broadcast message including corresponding broadcast time information based on the cell broadcast request message, and broadcasting the cell broadcast message to a mobile communication terminal of a corresponding region through a corresponding local exchange; ; An emergency content multicasting step of the multicast center multicasting the emergency content through a data service node of a mobile communication network at a corresponding broadcast time; It provides an emergency information service method using a BCMCS network including a.

In this case, the emergency information service method, when the emergency information to be broadcast to a plurality of unspecified mobile communication terminals of a specific region at a specific time, the emergency content server and the emergency content which is multimedia content containing the emergency information to the multicast center; An emergency content information registration step of providing corresponding region information and broadcast time information; It may further include.

The emergency information service method includes: an emergency content downloading step of receiving, by a mobile communication terminal receiving the cell broadcast message, monitoring a channel at a corresponding broadcast time and downloading emergency content transmitted by the multicast center; It may further include.

According to another aspect of the present invention, there is provided an emergency information service method of a mobile communication terminal for downloading emergency content multicasted from a multicast center of a BCMCS network, and a broadcast time from a CBS center providing a cell-based broadcast service. Receiving a cell broadcast message comprising information; Monitoring a broadcast channel at a corresponding broadcast time and downloading emergency content multicasted from the multicast center at a corresponding time; Outputting the downloaded emergency content to a user interface (UI); It provides an emergency information service method using a BCMCS network including a.

In the outputting step, the mobile communication terminal may not separately decrypt the downloaded emergency content.

According to the emergency information service system and method using the BCMCS network of the present invention and a mobile communication terminal therefor, there are no limitations on whether to subscribe to a specific service, such as disaster information or emergency rescue information that must be serviced to a specific area. Emergency information will be available in real time through the BCMCS network.

In particular, the present invention utilizes the current multicasting service and the existing cell broadcasting service together, but the advantage of providing a multimedia file for emergency information to all terminals in a particular region without major changes in each service system. have.

In addition, according to the present invention, not only the multicasting service can be provided to the non-casting service subscribers, but also the service subscriber can be provided with the multicasting service even during the broadcast time which is not predetermined at the time of joining the multicasting service. It works.

Details of the above object and technical configuration of the present invention and the resulting effects thereof will be more clearly understood from the following detailed description based on the accompanying drawings.

First, FIG. 2 is a block diagram of an emergency information service system using a BCMCS network according to an embodiment of the present invention, and FIG. 3 is a block diagram of a mobile communication terminal according to an embodiment of the present invention.

As shown, the present invention is to service emergency information by utilizing the BCMCS network, the base station (BTS, 11), base station controller (BSC, 12), packet data service node (PDSN, 13), switch (MSC, 14) a multicast center 20 connected to the packet data service node 13 of the mobile communication network, and a multimedia file for emergency information to be multicasted through the multicast center 20, that is, It includes an emergency content server 30 for providing emergency content, and a CBS center 40 for providing a cell broadcast service to all the mobile communication terminal 10 of the region through the exchange 14.

Meanwhile, although the BCMCS network is shown in the form of being implemented in the 1x EV-DO network, the BCMCS network can be implemented in various mobile communication networks such as a WCDMA network, an HSDPA network, and a WIBRO network. It is not limited to. That is, the multicast center 20 and the emergency content server 30 should be interpreted as being connected to data service nodes of various mobile communication networks, and the CBS center 40 should also be interpreted as being connected to exchangers of various mobile communication networks. .

The multicast center 20 transmits the corresponding region information and broadcast time information to the CBS center 40 that provides a cell-based broadcast service when emergency content needs to be broadcasted to a plurality of unspecified mobile communication terminals in a specific region at a specific time. It transmits a cell broadcast request message, and multicasts the emergency content through the data service node of the mobile communication network at the corresponding broadcast time.

Although not shown in the drawing, the multicast center 20 transmits an emergency content transmitted from the emergency content server 30, that is, a multimedia file including emergency information to the mobile communication terminal 10 as an IP multicast stream. And a controller that manages service subscriber information and is responsible for session information management, user authentication, CP authentication, and the like, in the present invention, the controller creates a service channel for emergency content transmission.

The emergency content server 30 is a server that manages the emergency information service of the present invention and controls the service as a whole. When emergency information is generated that must be urgently broadcasted at a specific time to all mobile communication terminals in a specific region, the emergency information is provided. It is responsible for providing the multicast center 20 with emergency contents, broadcast time information, and region information of the emergency contents.

At this time, the emergency content server 30 first transmits an emergency service request message including local information and broadcast time information to the multicast center, and then transmits emergency content, which is multimedia content including corresponding emergency information, before the broadcast time. It can be registered, and content, region information, and broadcast time information can be registered at once.

On the other hand, in general, the multicasting service is a service provided only to subscribers, and content provided with predetermined encryption is provided, and only a subscriber can decrypt the corresponding content. Since all terminals in a particular region can be provided with the service without providing, the emergency content server 30 must register the emergency content without encryption.

Next, when the CBS center 40 receives the cell broadcast request message including the region information and the broadcast time information from the multicast center 20, the CBS center 40 generates a cell broadcast message including the corresponding broadcast time information, By broadcasting a cell broadcast message to a mobile communication terminal of a local area through an exchange, all mobile communication terminals in the local area can acquire the broadcast time information.

When the cell broadcast message including the specific broadcast time information is received, the mobile communication terminal 10 stores the broadcast time information, and then monitors the broadcast channel of the air section at the corresponding time. As a terminal for downloading emergency content transmitted by the multicast center 20, a wireless transceiver 10-1, a cell broadcast message processor 10-2, and a broadcast channel for transmitting and receiving radio signals as shown in FIG. The monitoring unit 10-3 and the emergency content processing unit 10-4 are configured.

When the cell broadcast message including the broadcast time information is received from the CBS center 40 providing the cell-based broadcast service, the cell broadcast message processor 10-2 transmits the corresponding broadcast time information to the broadcast channel monitoring unit 10-3. To provide.

The broadcast channel monitoring unit 10-3 is a block for monitoring a broadcast channel at a corresponding time based on the broadcast time information, and downloads emergency content multicasted from the multicast center 20 at a corresponding time through channel monitoring. Receives and forwards to the emergency content processing unit 10-4.

The emergency content processing unit 10-4 automatically stores the downloaded emergency content or according to a user's input or outputs it through a UI (user interface) so that the user can check emergency information such as disaster information of a corresponding region. do.

As mentioned above, since the emergency content of the present invention is downloaded in an unencrypted state, unlike the processing of a general multicasting file, the emergency content processing unit 10-4 does not perform separate decryption on the downloaded emergency content. Do not.

Meanwhile, in the case of the cell broadcast message, since the message can be received by all mobile subscribers without separately subscribing to the multicasting service, the mobile communication terminal 10 of the present invention may be a multicasting service subscription terminal and a non-subscription terminal. Can be. That is, the mobile communication terminal 10 of the present invention acquires broadcast time information regardless of whether the service is subscribed, and thus can download the multicasted emergency content regardless of whether the service is subscribed.

Next, FIG. 4 is a flowchart sequentially illustrating an emergency information service method using a BCMCS network according to an embodiment of the present invention, and illustrates an embodiment of an emergency information service method according to the system of the present invention.

As shown, the emergency content server 30 transmits an emergency service request message to the multicast center 20 when emergency information to be broadcasted at a specific time occurs in a specific area (S401). At this time, the emergency service request message should include local information to be broadcast and broadcast time information.

The multicast center 20 loads the corresponding region information and broadcast time information in the cell broadcast request message to the CBS center 40 (S402), and the CBS center 40 transmits the cell broadcast message to exchanges serving the region. The cell broadcast message is transmitted to all mobile communication terminals 10 in the corresponding area (S403). Here, the cell broadcast message includes broadcast time information.

Thereafter, when the emergency content server 30 registers emergency content with the multicast center 20 (S404), the multicast center 20 transmits the emergency content as an IP multicast stream through the data service node (S406). According to the broadcast time information included in the cell broadcast message, the mobile communication terminals 10 monitoring the channel at the corresponding time are downloaded emergency contents transmitted at the corresponding time (S405).

Meanwhile, as shown in the embodiment of FIG. 4, the emergency content server 30 may register the emergency content immediately before the corresponding broadcast time in step S404, and optionally register the emergency content in step S401 as well.

As those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features, the embodiments described above should be understood as illustrative and not restrictive in all aspects. Should be. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

The present invention described above can be applied to a service device and a mobile communication terminal for providing a multicasting service using a BCMCS network of a mobile communication network, and is useful for providing emergency information using a current multicasting service system. Can be utilized.

1 is a diagram illustrating a conventional multicasting service process;

2 is a configuration diagram of an emergency information service system using a BCMCS network according to an embodiment of the present invention;

3 is a block diagram of a mobile communication terminal according to an embodiment of the present invention;

4 is a flowchart sequentially illustrating an emergency information service method using a BCMCS network according to an embodiment of the present invention.

Claims (17)

As a system that provides a multicasting service utilizing a BCMCS (Broadcast Multicast Service) network, When emergency information needs to be broadcasted to a plurality of unspecified mobile communication terminals at a specific time, the emergency service request message including specific area information and broadcast time information is transmitted to a multicast center of a Broadcast Multicast Service (BCMCS) network. An emergency content server for registering emergency content, the multimedia content including the emergency information, in a multicast center; Based on the emergency service request message from the emergency content server, transmits a cell broadcast request message including specific region information and broadcast time information to a CBS (Cell Broadcasting Service) center that provides a cell-based broadcast service, and then the broadcast. A multicast center for multicasting the emergency content registered by the emergency content server at a broadcast time based on time information through a data service node of a mobile communication network; A Cell Broadcasting Service (CBS) center that generates a cell broadcast message including the broadcast time information based on the cell broadcast request message from the multicast center and broadcasts it to a mobile communication terminal of a specific region through a specific local exchange. ; And A mobile communication terminal configured to download emergency contents transmitted by the multicast center by monitoring a channel at a broadcast time based on the broadcast time information as the cell broadcast message is received through an exchange of a local area; Emergency information service system utilizing a BCMCS (Broadcast Multicast Service) network comprising a. The method of claim 1, The emergency content server, Emergency information service system utilizing the Broadcast Multicast Service (BCMCS) network, characterized in that for registering the unencrypted emergency content. The method according to claim 1 or 2, The multicast center, A content server connected to a data service node of a mobile communication network and transmitting the emergency content to the mobile communication terminal in an IP (Internet Protocol) multicast stream; A controller for generating a service channel for emergency content transmission; Emergency information service system utilizing a Broadcast Multicast Service (BCMCS) network, characterized in that configured to include. As a system that provides a multicasting service utilizing a BCMCS (Broadcast Multicast Service) network, Cell emergency request message including specific region information and broadcast time information to a CBS (Cell Broadcasting Service) center that provides a cell-based broadcasting service when emergency content needs to be broadcasted to a plurality of unspecified mobile communication terminals in a specific region at a specific time A multicast center transmitting multicasting of emergency content registered by an emergency content server at a broadcast time based on the broadcast time information through a data service node of a mobile communication network; A Cell Broadcasting Service (CBS) center that generates a cell broadcast message including the broadcast time information based on the cell broadcast request message from the multicast center and broadcasts it to a mobile communication terminal of a specific region through a specific local exchange. ; Emergency information service system utilizing a BCMCS (Broadcast Multicast Service) network comprising a. The method of claim 4, wherein The multicast center, A content server connected to a data service node of a mobile communication network and transmitting the emergency content to the mobile communication terminal in an IP (Internet Protocol) multicast stream; A controller for generating a service channel for emergency content transmission; Emergency information service system utilizing a Broadcast Multicast Service (BCMCS) network, characterized in that configured to include. The method according to claim 4 or 5, The emergency information service system, When emergency information needs to be broadcasted to a plurality of unspecified mobile communication terminals in a specific time at a specific time, emergency content, which is multimedia content including the emergency information, and specific area information and broadcast time information are provided to the multicast center. A content server; Emergency information service system using a BCMCS (Broadcast Multicast Service) network, characterized in that it further comprises a. The method of claim 6, The emergency content server, Emergency information service system using a Broadcast Multicast Service (BCMCS) network, characterized in that for registering the emergency content to the multicast center without encryption. The method according to claim 4 or 5, The emergency information service system, A mobile communication terminal for receiving emergency content transmitted by the multicast center by monitoring a channel at a broadcast time based on the broadcast time information when a cell broadcast message including specific broadcast time information is received; Emergency information service system using a BCMCS (Broadcast Multicast Service) network, characterized in that it further comprises a. A mobile communication terminal for downloading emergency content multicasted from a multicast center of a broadcast multicast service (BCMCS) network, A wireless transceiver for transmitting and receiving wireless signals; A cell broadcast message processor configured to output the broadcast time information when a cell broadcast message including broadcast time information is received from a CBS center providing a cell-based broadcast service; A broadcast channel monitoring unit monitoring a broadcast channel at a broadcast time based on the output broadcast time information, and downloading emergency content multicasted from the multicast center; An emergency content processing unit which outputs the downloaded emergency content to a user interface (UI); Mobile communication terminal comprising a. The method of claim 9, The emergency content processing unit, A mobile communication terminal, characterized in that no separate decoding for the downloaded emergency content. As a method of providing a multicasting service of emergency content using a Broadcast Multicast Service (BCMCS) network, When the emergency content server generates emergency information that must be broadcasted to a plurality of unspecified mobile communication terminals of a specific region at a specific time, the emergency content server includes an emergency information including specific region information and broadcast time information to a multicast center of a BCMCS network An emergency service request step of transmitting a service request message; A cell broadcast request step of transmitting, by the multicast center, a cell broadcast request message including specific area information and broadcast time information to a CBS (Cell Broadcasting Service) center that provides a cell-based broadcast service based on the emergency service request message; Wow; The CBS (Cell Broadcasting Service) center generates a cell broadcast message including the broadcast time information based on the cell broadcast request message, and broadcasts the cell broadcast message to a mobile communication terminal of a specific region through a specific local exchange. A cell broadcasting step; A content registration step of registering, by the emergency content server, emergency content which is multimedia content including the emergency information with the multicast center; An emergency content multicasting step of the multicast center multicasting emergency content registered by the emergency content server at a broadcast time based on the broadcast time information through a data service node of a mobile communication network; Emergency information service method using a Broadcast Multicast Service (BCMCS) network comprising a. The method of claim 11, The emergency information service method, An emergency content download step of receiving, by the mobile communication terminal receiving the cell broadcast message, monitoring emergency channels at the broadcast time based on the broadcast time information and downloading emergency content transmitted by the multicast center; Emergency information service method using a Broadcast Multicast Service (BCMCS) network, characterized in that it further comprises a. As a method of providing a multicasting service of emergency content using a Broadcast Multicast Service (BCMCS) network, When emergency content needs to be broadcasted to a plurality of unspecified mobile communication terminals at a specific time, the multicast center of the Broadcast Multicast Service (BCMCS) network is identified as a CBS (Cell Broadcasting Service) center that provides a cell-based broadcasting service. A cell broadcast request step of transmitting a cell broadcast request message including local information and broadcast time information; The CBS (Cell Broadcasting Service) center generates a cell broadcast message including the broadcast time information based on the cell broadcast request message, and broadcasts the cell broadcast message to a mobile communication terminal of a specific region through a specific local exchange. A cell broadcasting step; An emergency content multicasting step of the multicast center multicasting the emergency content through a data service node of a mobile communication network at a broadcast time based on the broadcast time information; Emergency information service method using a Broadcast Multicast Service (BCMCS) network comprising a. The method of claim 13, The emergency information service method, In case of emergency information that needs to be broadcast to a plurality of unspecified mobile communication terminals in a specific region at a specific time, the emergency content server is multimedia content including the emergency information to the multicast center, specific region information, and broadcast time information. Emergency content information registration step of providing; Emergency information service method using a Broadcast Multicast Service (BCMCS) network, characterized in that it further comprises a. The method according to claim 13 or 14, The emergency information service method, An emergency content download step of receiving, by the mobile communication terminal receiving the cell broadcast message, monitoring emergency channels at the broadcast time based on the broadcast time information and downloading emergency content transmitted by the multicast center; Emergency information service method using a Broadcast Multicast Service (BCMCS) network, characterized in that it further comprises a. An emergency information service method of a mobile communication terminal for downloading emergency content multicasted from a multicast center of a broadcast multicast service (BCMCS) network, Receiving a cell broadcast message including broadcast time information from a CBS center providing a cell-based broadcast service; Monitoring a broadcast channel at a broadcast time based on the broadcast time information and downloading emergency content multicasted from the multicast center at a broadcast time based on the broadcast time information; Outputting the downloaded emergency content to a user interface (UI); Emergency information service method using a Broadcast Multicast Service (BCMCS) network comprising a. The method of claim 16, In the output step, The mobile communication terminal is an emergency information service method using a broadcast multicast service (BCMCS) network, characterized in that the separate decryption of the downloaded emergency content.

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