KR101227508B1 - method for trasmitting and receiving emergency alert information - Google Patents

Abstract

The present invention relates to a method for transmitting and receiving disaster information. In one aspect of the present invention, the present invention provides a first container for transmitting a message format including message identifier information and delivery time for disaster information, a second container including contents of disaster information and specific delivery channel information, and Generating disaster information including a third container including location information on a location to which disaster information is to be delivered; Mapping the disaster information to a main service channel of a broadcast signal; And transmitting broadcast data including the main service channel.

Disaster, MSC, Message, TPEG, Channel, Text

Description

Method for trasmitting and receiving emergency alert information

1 is a diagram illustrating a service included in an ensemble

2 is a flowchart illustrating one embodiment of a method for transmitting disaster information according to the present invention;

3 is a flowchart illustrating one embodiment of a method for receiving disaster information according to the present invention;

4 is a view showing an example of a format of a disaster information message that can be transmitted according to an embodiment of the method for transmitting and receiving disaster information according to the present invention.

5A is a diagram illustrating syntax capable of decrypting a message according to an embodiment of the present invention.

FIG. 5B is a diagram illustrating a template for EAM components (eam_components) that an embodiment of the present invention can transmit and receive. FIG.

5C is a diagram illustrating a template of each EAM component (eam_components template) that an embodiment of the present invention can transmit and receive.

6A illustrates an example of a transmission and reception format of disaster mode information according to an embodiment of the present invention.

FIG. 6B illustrates a template in the form of component data of disaster mode information according to the example of FIG. 6A; FIG.

6C illustrates an example of disaster mode information that can be transmitted and received according to an embodiment of the present invention.

7A illustrates an example of a transmission / reception format of textual_description information according to an embodiment of the present invention.

8A illustrates an example of a transmission / reception format of channel information (detail_channel_information) according to an embodiment of the present invention.

FIG. 8B illustrates a template in the form of component data of channel information according to FIG. 8A; FIG.

FIG. 8C is a diagram illustrating an example of channel information that can be transmitted / received in the form of FIG. 8B according to an embodiment of the present invention. FIG.

8D illustrates another example of channel information that an embodiment of the present invention can transmit and receive in the format of FIG. 8B.

8E illustrates another example of channel information that an embodiment of the present invention can transmit and receive in the format of FIG. 8B.

8F illustrates another example of channel information that an embodiment of the present invention can transmit and receive in the format of FIG. 8B.

9A illustrates an example of a format in which an embodiment of the present invention can transmit and receive additional descriptor information of disaster information that can be transmitted and received.

FIG. 10A illustrates a syntax for location information that may be included in a location container of an EAM that an embodiment of the present invention may transmit and receive. FIG.

10B illustrates a format for location information that may be included in a location container of a message that an embodiment of the present invention can transmit and receive.

Figure 10c shows an example of a template (template) for the position components that may be included in a container position in the message transmission and reception to an embodiment of the present invention

11A illustrates an example of a transmission / reception format for a location component that can be transmitted and received by an embodiment of the present invention.

FIG. 11B illustrates an example of a template of a region component of location component data that can be transmitted and received by an embodiment of the present invention. FIG.

11C illustrates an example of a format of a local component that can be transmitted and received by an embodiment of the present invention;

12 is a diagram illustrating indexing of a table type referred to when transmitting and receiving disaster information (EAM).

FIG. 13 illustrates a table including location information that may be referred to when transmitting and receiving disaster information. FIG.

FIG. 14 is a diagram illustrating a table listing information according to disaster intensity in the table illustrated in FIG. 12.

FIG. 15 is a diagram illustrating a table indicating unverified information among tables illustrated in FIG. 12.

16A and 16B illustrate tables representing disaster information event code information.

17 illustrates a table representing the priority of disaster information.

18 is a diagram illustrating a table representing disaster information caller information;

19 is a diagram illustrating a table representing descriptor tag information for delivering additional information.

20 is a diagram illustrating a table detailing location information that can be referred to when transmitting and receiving disaster information.

21 is a diagram illustrating a table showing detailed area code information that can be referred to when transmitting and receiving disaster information.

22A to 22D illustrate tables showing language codes that can be referred to when transmitting and receiving disaster information.

The present invention relates to a method for transmitting and receiving disaster information, and more particularly, to a method for transmitting and receiving disaster information that can efficiently propagate disaster information.

As broadcast signals and communication signals are processed and transmitted as digital signals, information that can be transmitted has also increased. For example, in the broadcast field, as digital broadcasting spreads, additional data may be transmitted in addition to video and audio for broadcasting. As digital broadcasting has become practical, a method of delivering various information to users as well as multimedia contents has been considered. When transmitting data in addition to the broadcast signal, data such as news, securities, weather, and traffic information may be included in the broadcast signal and transmitted.

In addition, a method and a transmission protocol for informing a user of disaster information using digital broadcasting are considered and supplemented.

An example of a method of transmitting and receiving disaster information in a broadcast signal using a digital audio broadcasting (DAB) system will be described. An example of a method of transmitting and receiving disaster information will be described with reference to FIG. 1. The frame of the broadcast signal may have an ensemble structure. One ensemble may include one or more services, and a service may have one or more service components.

1 illustrates an example in which a service included in an ensemble is an ALPHA 1 radio, a BETA radio, and an ALPHA 2 radio.

The ALPHA 1 radio service includes service components of audio, alpha radio traffic information (ALPHA 1 radio), and alpha radio system information.

In addition, the BETA radio service includes a service component of audio and second audio, and the ALPHA 2 radio service includes an example of a service component of alpha radio traffic information, alpha radio system information, and audio.

In FIG. 1, each service component may be multiplexed and transmitted to subchannels a, b, c, d, ... of the main service channel.

The broadcast signal according to the DAB system may be multiplexed into a fast information channel (FIC) and a synchronization channel for signal synchronization so that the MSC and the broadcast receiving device can quickly access channel information from the broadcast signal transmitted. have.

The fast information channel (FIC) may include a plurality of fast information blocks (FIBs), and each FIB data field may have a plurality of FIG (fast information groups).

Disaster information may be considered to be included in the transmission scheme, the current problem is that the disaster information to be transmitted when included in the FIG is not specific. In addition, the method of transmitting and receiving disaster information by using the FIC is not likely to be applied in practice, there is a problem that does not efficiently deliver disaster information.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a disaster information transmission and reception method capable of transmitting and receiving disaster information concretely and efficiently.

In order to achieve the above object, the present invention provides a first container for delivering a message format including message identifier information and delivery time for disaster information, a second container including contents of disaster information and specific delivery channel information. And generating disaster information including a third container including location information on a location to which disaster information is to be delivered. Mapping the disaster information to a main service channel of a broadcast signal; And transmitting broadcast data including the main service channel.

In another aspect, the present invention provides a method for processing a broadcast signal comprising: receiving a broadcast signal; Parsing a signal of a main service channel included in the broadcast signal; And a first container for delivering a message format including message identifier information and delivery time of the disaster information from the parsing result, a second container for delivering the contents of the disaster information and specific delivery channel information, and the disaster information. It provides a disaster information receiving method comprising the step of obtaining a disaster information message belonging to a third container for delivering the location information for the location to be desired.

In another aspect, the present invention provides a first container for delivering a message format including message identifier information and delivery time for disaster information, a second container including contents of disaster information and specific delivery channel information, and disaster information. Generating disaster information including a third container including location information about a location to be delivered; Mapping the disaster information to a main service channel of a broadcast signal; Transmitting broadcast data including the main service channel; Receiving the transmitted broadcast data; Parsing a signal of a main service channel included in the broadcast data; And obtaining a disaster information message from the parsed result.

The first container may include a first element having message identifier information and version information of the message.

The first container may include a second element having information on a generation time of the message, a start time of a disaster to be delivered, an end time, and a valid loss date of the message, or a third element having information on the intensity of the disaster to be delivered. It may include at least one element.

The second container may include disaster mode information for delivering information on the type of disaster, delivery content information for describing contents to be delivered about the disaster, channel information for delivering disaster information, and additional information for disaster information. have.

The disaster mode information may include identifier information indicating the disaster mode information, length information of the disaster mode information, code information of the disaster event, information on the disaster priority, and detailed information on the disaster mode.

The detailed information on the disaster mode may include caller information that sends disaster information.

The delivery content information may include identifier information indicating delivery content information, length information indicating delivery content information, actual transmission text, and remaining time information for exposing a disaster alert message.

The channel information may include identifier information indicating channel information, length information on channel information, and one or more detailed channel information delivering disaster information.

The detailed channel information includes a source identifier of an out-of-band channel of the channel through which both video and audio are transmitted, major channel information, minor channel information, and an out-of-band channel of the channel through which audio is transmitted. String-formatted information for ID and disaster information Or the like.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention that can specifically realize the above object will be described.

The disaster information transmission and reception method according to the present invention can be used in various digital broadcasting standards. Digital broadcasting standards such as European Digital Audio Broadcasting (DAB), Digital Video Broadcasting-Terrestrial (DVB-T), based on the European REserch Coordination Agency project-147 (Eureka-147) [ETSI EN 300 401], Digital Video Broadcasting-Handheld (DVB-H), Forward Link Only (MediaFLO) in the US, and Digital Multimedia Broadcasting (DMB) in Korea.

Korean DMB includes Terrestrial Digital Multimedia Broadcasting (T-DMB) based on Eureka-147, and Satellite Digital Multimedia Broadcasting (S-DMB) using satellite communication. In addition, the disaster information transmission and reception method according to the present invention may be applied to Wi-Fi, Wibro (Wireless Broadband Internet), and the like, which are wireless Internet.

2 is a flowchart illustrating an embodiment of a method for transmitting disaster information according to the present invention. An embodiment of a disaster information transmission method according to the present invention will be described with reference to FIG. 2.

Disaster information can be sent and received in the form of a message having a number of containers (container), the container is used as a unit to separate the information.

First, an embodiment of a method for transmitting disaster information according to the present invention includes a first container for transmitting a message format including message identifier information and a delivery time, a second container including contents of disaster information and specific delivery channel information. And a third container for delivering location information on the location to which the disaster information is to be delivered (S10). The disaster information may be mapped to a main service channel of a broadcast signal (S20). In operation S30, broadcast data including a main service channel is transmitted.

3 is a flowchart illustrating an embodiment of a method for receiving disaster information according to the present invention. An embodiment of a disaster information receiving method according to the present invention will be described with reference to FIG. 3.

The received broadcast signal is received (S40). Then, the signal included in the main service channel included in the broadcast signal is parsed (S50). A first container for delivering a message format including message identifier information and delivery time of disaster information in a parsed main service channel, and a second container including contents of disaster information and specific delivery channel information. And obtaining a third container for delivering location information on the location to which the disaster information is to be delivered, and obtaining a disaster information message from the information included in each container (S60).

In one embodiment of the method for transmitting and receiving disaster information according to the present invention, rather than using a fast information channel, a disaster information may be specifically transmitted by using a main service channel. In addition, since disaster information is transmitted and received using a main service channel, a fast information channel including mapping information of a transport channel can be decoded only at a different time point, which is efficient.

4 is a diagram illustrating an example of a format of a disaster information message that can be transmitted according to an embodiment of a method for transmitting and receiving disaster information according to the present invention. An embodiment of a disaster information transmission and reception method according to the present invention will be described with reference to FIG. 4.

The disaster information message a, which is a unit for transmitting disaster information, may be multiplexed and transmitted. Each disaster information message may have the same structure, and the structure of FIG. 4 is called a message container. The message transmitting the disaster information to the message container is called a disaster information message or emergency alert messages (EAM).

4 illustrates a message management container a1, an EAM event container a2, and a location container a3 as a container that can hold a single message.

The message management container a1 transmits a message format such as message identifier information and delivery time, and includes mandatory elements, date and time elements, effect and reliability elements ( effect and reliability elements).

Mandatory elements include a message identifier (MID), which is a message identifier associated with each event, a version number (VER) for distinguishing a message, and the like.

The date and time elements may include a message generation time (MGT), a start time (STA) at which the event enters a state, and a stop time at which the event deviates from a state. STO) and a message expiry time that may indicate a valid lost date and time of the message. Here, the start time means the start time of the disaster that the disaster information wants to notify, and the end time means the end time of the disaster.

Effective and reliable elements (effect and reliability elements) may include a non-verification information (unverified information) indicating whether provided by the disaster intensity information (severity_factor) and disaster information verification authority to forward indicating the disaster information.

Date and time elements or effect and reliability elements may optionally be included in the disaster information message.

The location container a3 includes location information to be notified of the EAM.

The EAM event container (a2) is an EAM event mode, in which emergency mode (emergency_mode) information that can convey the type of disaster, textual description describing the content to be delivered about the disaster, and disaster information are included. It may include additional descriptor information (additional_descriptor) for delivering additional information about the channel information (detail_channel_information) and disaster information.

5A is a diagram illustrating syntax capable of decrypting a message according to an embodiment of a method for transmitting and receiving disaster information according to the present invention. An embodiment of a disaster information transmission and reception method according to the present invention will be described with reference to FIG. 5A.

First, the decryption syntax <emergency_alert__message>: = for the example of emergency alert messages (EAM) is the message ID (mid) (11), the version number (ver) (12), the length of the message (13), and the message component selector. message-related information 14a to 14g by the message element selector 14.

The message-related information is based on the value of the message component selector 14, message generation time 14a, start time 14b, end time 14c, message validity time 14d, disaster intensity information (severity_factor). 14e, message generation time 14f, and unverified information 14g.

One embodiment of the method for transmitting and receiving disaster information according to the present invention includes a plurality of EAM components having disaster mode information (emergency_mode), information including textual_description, channel information (detail_channel_information), additional descriptor information (additional_descriptor), and the like. eam_component) 15 may be transmitted and received;

If (selector = 1xxxxxxx) <eam_component>; Emergency alert message component

5B is a diagram illustrating a template for EAM components (eam_components) that can be transmitted and received by an embodiment of the method for transmitting and receiving disaster information according to the present invention.

The multiple EAM components (<eam_components>: =) are information (n) 22a indicating the number of components defined as an integer unsignedtiny (<intunti>) of 1 byte, and each of the multiple EAM components. May include (22b)

Figure 5c shows an example of the template (eam_components template) of each EAM component that can be transmitted and received by one embodiment of the disaster information transmission and reception method according to the present invention.

The EAM component template (eam_components template) may include component identifier information (id) 23a of 1 byte, length information 23b of component data of 1 byte, and EAM component information 23c in units of bytes.

FIG. 6A illustrates an example of a transmission / reception format of information when an embodiment of the disaster information transmission / reception method according to the present invention transmits / receives emergency mode information capable of transmitting the type of disaster.

The example of FIG. 6A illustrates an example of allocating an 80 th identifier as an identifier of an EAM component for transmitting and receiving emergency mode information.

The EAM component that transmits emergency mode information includes identifier information id representing 1 byte of disaster mode information (defined as hexa value 80 in the example of FIG. 6A) 31a, and 2 bytes of component data. Component data, including length information 31b, code information 31c of a disaster event to be transmitted, disaster priority information 31d indicating priority of disaster information, and detailed information on disaster mode information ( 31e).

The code value 31c of the disaster information to be transmitted is described with reference to FIGS. 16A and 16B, and the priority information 31d indicating the priority of the disaster information is described in detail with reference to FIG. 17.

FIG. 6B is a diagram illustrating a template which is a format of component data of disaster mode information according to the example of FIG. 6A.

The component of emergency mode information (emergency_mode_components) may include identifier information (id) 32a indicating a component of disaster mode information of 1 byte and component data 32b of n bytes.

FIG. 6C is a diagram illustrating an example of disaster mode information that can be transmitted and received by an embodiment of the disaster information transmission and reception method according to the present invention.

The component of the disaster mode information may transmit the sender information of the disaster mode information. In that case, the component (emergency_mode_component) of the disaster mode information includes identifier information (defined as hexa value 01 in the example of FIG. 6C) 33a indicating the component of the disaster mode information of 1 byte, and length information (n of component data of 1 byte). 33b) and information 33c about the organization publishing the disaster information.

Information 33c for the caller who announces the disaster information will be described by way of example in FIG.

7A illustrates an example of a format for transmitting and receiving information when an embodiment of the disaster information transmission and reception method according to the present invention transmits and receives information on a textual_description.

The example of FIG. 7A illustrates an example of assigning 81 as an identifier of an EAM component for transmitting / receiving information on a textual delivery description (textual_description).

The EAM component that transmits the information about the textual (description) text includes identifier information (id) representing 1 byte of the content information (defined as hexa value 81 in the example of FIG. 7A) 41a and 2. The length information 41b of the component data of bytes, the actual transmission text 41c, and the remaining time information 41d for exposing the disaster warning message of 1 byte may be included.

8A illustrates an example of a transmission / reception format of information when an embodiment of the disaster information transmission / reception method according to the present invention transmits / receives channel information (detail_channel_information).

8A illustrates an example of using 82 as an identifier of an EAM component for transmitting and receiving channel (detail_channel_information) information.

The EAM component that transmits channel information detail_channel_information includes identifier information id representing 1 byte of channel information (defined as hexa value 82 in the example of FIG. 8A) 51a, and length information of 2 bytes of component data. 51b and components 51c for conveying one or more detailed channel information.

FIG. 8B is a diagram illustrating a template which is a format of component data of channel information according to FIG. 8A.

The channel_information_components template of the channel information may include identifier information (id) 52a representing a 1-byte detailed channel information component and component data 52b of n-byte detailed channel information.

FIG. 8C is a diagram illustrating an example of channel information that can be transmitted and received in the form of FIG. 8B according to an embodiment of the disaster information transmission and reception method according to the present invention.

 The channel_information_component of the detailed channel information includes identifier information (source byte 1 in the example of FIG. 8C) of the source ID of the out-of-band OOB 5 that transmits detailed disaster information. And a channel information component) 53a.

8C shows a source ID of an out-of-band OOB that transmits length information (1 byte) 53b of the information and detailed disaster information when the information on the source ID of the out-of-band channel is transmitted. Information (2 bytes) 53c for the ID).

Here, the out-of-band channel refers to an out-of-band channel of a channel for transmitting both audio and video. For example, information about a source ID of an out of band (OBB) is not available. If not, this information can be ignored. In addition, when this information is 0, it may represent that information on an out-of-band channel is not available.

FIG. 8D is a diagram illustrating another example of channel information that can be transmitted and received in the form of FIG. 8B according to an embodiment of the disaster information transmission and reception method according to the present invention.

The component of the detailed channel information (channel_information_component) is identifier information (major channel number) for transmitting detailed disaster information (in the example of FIG. 8D, channel information component is defined by 1 byte hexa value 02) 54a, Length information (1 byte) 54b for the information and information (2 bytes) 54c for the number of major channels may be included.

For example, when the source ID information of the out-of-band channel is effectively used, the information about the major channel number may be ignored. In addition, when the information on the major channel number is 0, it may represent that the information on the in-band channel is not useful.

FIG. 8E is a diagram illustrating another example of channel information that can be transmitted and received in the form of FIG. 8B according to an embodiment of the method for transmitting and receiving disaster information according to the present invention.

The detailed channel information component includes identifier information (minor channel number in the example of FIG. 8E), which defines the channel information component as 1-byte hexa value 03 in the minor channel number, which transmits detailed disaster information. Length information (1 byte) 55b and minor channel number information (2 bytes) 55c for transmitting detailed disaster information.

For example, when the source ID information of the out-of-band channel is effectively used, or when the major channel information is 0, the information on the minor channel number may be ignored.

The major channel of FIG. 8D means a physical channel number, and the minor channel of FIG. 8E means a sub channel number.

FIG. 8F is a diagram illustrating another example of channel information that can be transmitted / received in the form of FIG. 8B according to an embodiment of the disaster information transmission / reception method according to the present invention.

The component of the detailed channel information (channel_information_component) is identifier information (source byte) of the source ID of the out of band (OOB) of the channel to which the audio transmitting the detailed disaster information is transmitted (1 byte in the example of FIG. 8F). channel information component defined by hexa value 04) 56a, length information (1 byte) 56b of the information, and source ID of the out-of-band channel of the channel to which audio transmitting detailed disaster information is transmitted. Information (2 bytes) 56c.

Here, the out-of-band channel of the channel through which audio is transmitted refers to the out-of-band channel of the channel transmitting only audio to be distinguished from the out-of-band channel of FIG. 8C. For example, if source ID information of the audio out-of-band channel is not 0, information on an audio virtual channel including audio information related to a disaster notification may be transmitted to the component of FIG. 8F. If the source ID information of the out-of-band channel is not available, this information may be ignored. If the source ID information of the out-of-band channel is 0, this may indicate that the virtual channel does not transmit audio.

8G illustrates another example of channel information that can be transmitted / received in the format of FIG. 8B according to an embodiment of the method for transmitting and receiving disaster information according to the present invention.

The channel information component (channel_information_component) includes identifier information (text in the example of FIG. 8G, which defines the channel information component as 1-byte hexa value 05) for text indicating disaster information, and length information (1) of text information. Bytes 57b and information 57c in a string format that may inform disaster information.

When this information is delivered, text information for delivering the disaster information may be displayed and scrolled on the screen of the terminal capable of receiving the disaster information.

9A illustrates an example of a format capable of transmitting and receiving additional descriptor information of disaster information that can be transmitted and received by an embodiment of the disaster information transmission and reception method according to the present invention.

An EAM component may be defined to transmit and receive additional descriptor information (additional_descriptor) of disaster information. The example of FIG. 9A illustrates that additional information (additional_descriptor) can be transmitted and received to the 83rd EAM component.

The EAM component that transmits the additional information includes identifier information (id) (defined as 83 in the hexa value in the example of FIG. 9A) 61a indicating additional information of 1 byte, and length information 61b of component data of 1 byte. For language code, which indicates the language type of the disaster information. Information 61c, description tag information 61d of the additional descriptor information, and string information 61e for describing the additional descriptor information.

The description of the description tag information will be described in detail with reference to FIG. 19, and the description of the language code will be described with reference to FIGS. 22A to 22D.

FIG. 10A illustrates syntax for location information that may be included in a location container of an EAM that an embodiment of the method for transmitting and receiving disaster information according to the present invention may transmit and receive.

In the case of EAM transmission, the location container may be located in any one of the EAM components (eam_component). The example of FIG. 10A shows an example in which the location container is located in the 90th EAM component (eam_component).

The illustrated EAM component (eam_component) includes one-byte identifier information (id) 71a indicating that the EAM component (eam_component) is a location container, length information (n) 71b of the corresponding component, and a plurality of location containers (loc_container). ) 71c.

10B illustrates a format for location information that may be included in a location container of a message transmitted and received by an embodiment of the disaster information transmission and reception method according to the present invention.

The location container may include a language code 72a and a plurality of location components 72b as language information representing location information. Information about the language code is described in detail with reference to FIGS. 22A to 22D.

Figure 10c illustrates a template (template) for the position components that may be included in a container position in the message to one embodiment of a method of transmitting and receiving disaster information transmitted and received in accordance with the present invention.

The location component may include identifier information (id) 73a indicating the location component, length information (n) 73b indicating the length of the location component, and location component data 73c which is the location information. have.

11A illustrates an example of a transmission and reception format for a location component that can be transmitted and received by an embodiment of the disaster information transmission and reception method according to the present invention.

The example of FIG. 11A illustrates that location component data may be transmitted to a tenth location component (loc_component (10)).

The location component includes identifier information (id) 74a indicating a location component of one byte, information 74b about the number of local information delivered to the location component of one byte, information 74c for indicating a location type, and It may include a region component 74d for delivering disaster information for a plurality of regions.

Location component data is information for indicating a location type for disaster information, which will be described in detail with reference to FIG. 13. .

FIG. 11B illustrates an example of a template of a region component among location component data that can be transmitted and received by an embodiment of the disaster information transmission and reception method according to the present invention.

An example of a template of a local component may include a byte of identifier information (id) 75a and a plurality of local information 75b indicating that it is a local component.

11C illustrates an example of a format of a local component that can be transmitted and received by an embodiment of the method for transmitting and receiving disaster information according to the present invention.

A local component is a single byte of identifier information 76a indicating that it is a local component, a county subdivision code 76b indicating a detailed region, and a state or territory affected by the disaster information. It may include state code information 76c and country code information 76d that is two bytes of component data.

In the example of FIG. 11C, the detailed subdivision code 76b may be based on the table information shown in FIG. 13.

12 to 19 illustrate tables that can be referred to when transmitting and receiving disaster information. Tables described below may vary according to the embodiment of the method for transmitting and receiving disaster information according to the present invention.

For example, the embodiment of the disaster information transmission and reception method according to the present invention may transmit and receive disaster information by using table information defined in a TPEG (Transport Protocol Experts Group) format that can be used for traffic information transmission. The TPEG format encodes various traffic information such as congestion information and road traffic information on a road or traffic related network. Although the TPEG format can be assumed to be transmitted through a TDC (Transparent Data Channel) of a digital transmission medium, the TPEG service provided through Digital Multimedia Broadcasting uses a multimedia object transport protocol (MOT) in addition to the TDC. May be sent.

Hereinafter, the tables used in the TPEG (Transport Protocol Experts Group) format will be described by way of example in order to easily describe the present invention.

FIG. 12 is a table listing indexed types of tables to be used for transmitting and receiving disaster information (EAM). According to the table number of FIG. 12, type information (01) according to disaster intensity, unvalidated information (02), disaster information event code (03), information on priority of disaster information (04), and provider information of disaster information ( 05), the disaster information can be transmitted and received with reference to a table including information such as a description tag (description_tag) 06.

FIG. 13 illustrates a table including location information that may be referred to when transmitting and receiving disaster information. In the example of FIG. 13, Table 01 indicates information on a location type, and Table 44 indicates detailed area code information. For information on the location type, detailed region code information is described in detail with reference to FIG. 21.

FIG. 14 is an example of a table listing information according to disaster intensity in the table illustrated in FIG. 12. The information on disaster intensity is unknown (0), very slight (1), weak (2), moderate (3), strong (4), etc. Information may be defined and code numbers may be assigned according to each information.

FIG. 15 illustrates an example of information that may be defined in a table representing unverified information in the table illustrated in FIG. 12. The code 0 (zero) represents an example of the case where the information on whether or not to verify in the provider of the disaster information appears as "unknown".

16A and 16B show examples of a table showing disaster information event code information in two figures for convenience. Code 0 is the disaster notification (EAN), Code 1 is the disaster end (EAT), Code 2 is the National Information Center, etc. .

Codes 6 through 31 are code information representing disaster information occurring in an area such as a state, and when the information illustrated in the table of FIG. 15 is used, a snowstorm warning (Code 7), a flood warning (Code 14), and winter Disaster information events such as storm warnings (code 30) can be delivered. The items shown in the table and their code values can vary from country to country or from situation to situation for disaster information.

17 is an example of a table showing the priority of disaster information. In the example of FIG. 17, the disaster information transmitted when the code 0 is a test message, the codes 1 and 2 are unspecified areas, and the code 3 is code information indicating low priority, while the code 15 is the highest high priority. Represents code information, meaning ranking

18 is an example of a table showing disaster information sender information. 17 is an example of identifier information of a caller transmitting disaster information from code 0 to code 4, and code 2 illustrates a national weather service center.

19 is an example of a table showing descriptor tag information for delivering additional information. In the example of FIG. 19, the code 0 indicates reserved information, and the code 1 indicates user private information.

20 illustrates a table detailing location information that can be referred to when transmitting and receiving disaster information. As an example, when the code for the location type is 1, it indicates a wide area.

21 shows detailed area code information for reference when transmitting and receiving disaster information. If the code number is 1, it represents the northwest region, if 2, the north-central region, and if it is 3, the northeast region.

22A to 22D show information about a language code that can be referred to when transmitting and receiving disaster information, divided into several diagrams for convenience. In the disaster information delivered according to an embodiment of the present invention, additional description information or location information may be transmitted using various languages, and information about each language may be transmitted and received using a language code.

22A to 22D are diagrams illustrating identifiers for languages by assigning codes according to the types of languages. For example, 65 in FIG. 22B means Korean.

According to the disaster information transmission and reception method according to the present invention, it is possible to deliver the disaster information concretely and efficiently by using the main service channel, it is possible to quickly inform a lot of disaster information.

According to the disaster information transmission and reception method according to the present invention described above, it is possible to concretely and efficiently transmit and receive disaster information.

Claims (21)

A first container for delivering a message format including message identifier information and delivery time of a message for disaster information, a second container including contents of the disaster information and specific delivery channel information, and the disaster information to be delivered. Generating disaster information comprising a third container including location information about the location; Mapping the disaster information to a main service channel of a broadcast signal; And Disaster information transmission method comprising the step of transmitting broadcast data including the main service channel (main service channel). The method of claim 1, wherein the first container, A first element having the message identifier information and the version information of the message, At least one of a second element having information on a generation time of the message, a start time of a delivering disaster, an end time, and a valid loss date and time of the message, or at least one of a third element having information on the intensity of the delivering disaster Disaster information transmission method comprising a. The method of claim 1, The second container includes disaster mode information for delivering information on the type of disaster, delivery contents information for describing contents to be delivered for the disaster, channel information for transmitting the disaster information, and additional information for the disaster information. How to send disaster information. The method of claim 3, The disaster mode information includes identifier information indicating the disaster mode information, length information of the disaster mode information, code information of the disaster event, information on the disaster priority, and detailed information on the disaster mode. The detailed information about the disaster information transmission method comprising the caller information for sending the disaster information. The method of claim 3, And the delivery content information includes identifier information indicating that the delivery content information, length information of the delivery content information, actual transmission text, and remaining time information for exposing a disaster alert message. The method of claim 3, The channel information includes identifier information indicating that the channel information, length information about the channel information and one or more detailed channel information for transmitting the disaster information, The detailed channel information includes a source identifier of an out-of-band channel of the channel through which both video and audio are transmitted, major channel information, minor channel information, and an out-of-band channel of the channel through which audio is transmitted. String-formatted information for ID and disaster information Disaster information transmission method comprising at least one of. Receiving a broadcast signal; Parsing a signal of a main service channel included in the broadcast signal; And A first container for delivering a message format including message identifier information and delivery time of the message for the disaster information from the parsed result, a second container for delivering the contents of the disaster information and specific delivery channel information, and the disaster And obtaining a disaster information message belonging to a third container including location information of a location to which the information is to be delivered. The method of claim 7, wherein the first container, A first element having the message identifier information and the version information of the message, At least one of a second element having information on a generation time of the message, a start time of the delivering disaster, an end time, and a valid loss date of the message, or a third element having information on the intensity of the delivering disaster; Disaster information receiving method including. 8. The method of claim 7, The second container includes disaster mode information for delivering information on the type of disaster, delivery contents information for describing contents to be delivered for the disaster, channel information for transmitting the disaster information, and additional information for the disaster information. How to receive disaster information. 10. The method of claim 9, The disaster mode information includes identifier information indicating disaster mode information, length information of the disaster mode information, code information of a disaster event, information on disaster priority, and detailed information on the disaster mode. The detailed information on the mode includes disaster information receiving caller information that sends disaster information. 10. The method of claim 9, And the delivery content information includes identifier information indicating that the delivery content information, length information of the delivery content information, actual transmission text, and remaining time information for exposing a disaster alert message. 10. The method of claim 9, The channel information includes identifier information indicating that the channel information, length information about the channel information and one or more detailed channel information for transmitting the disaster information, The detailed channel information includes a source identifier of an out-of-band channel of the channel through which both video and audio are transmitted, major channel information, minor channel information, and an out-of-band channel of the channel through which audio is transmitted. String-formatted information for ID and disaster information Disaster information receiving method comprising at least one of. delete delete delete delete delete delete delete delete delete

Images