KR20150120598A - Method and apparatus of relaying emergency alert using broadcasting system - Google Patents

Method and apparatus of relaying emergency alert using broadcasting system Download PDF

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Publication number
KR20150120598A
KR20150120598A KR1020140046301A KR20140046301A KR20150120598A KR 20150120598 A KR20150120598 A KR 20150120598A KR 1020140046301 A KR1020140046301 A KR 1020140046301A KR 20140046301 A KR20140046301 A KR 20140046301A KR 20150120598 A KR20150120598 A KR 20150120598A
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KR
South Korea
Prior art keywords
disaster
broadcast
signal
relay
message
Prior art date
Application number
KR1020140046301A
Other languages
Korean (ko)
Inventor
김광용
이용훈
김건
박소라
이용태
백명선
임보미
Original Assignee
한국전자통신연구원
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Publication date
Application filed by 한국전자통신연구원 filed Critical 한국전자통신연구원
Priority to KR1020140046301A priority Critical patent/KR20150120598A/en
Priority to DE102015105272.5A priority patent/DE102015105272B4/en
Publication of KR20150120598A publication Critical patent/KR20150120598A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
    • H04H20/59—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for emergency or urgency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/02—Arrangements for relaying broadcast information
    • H04H20/06—Arrangements for relaying broadcast information among broadcast stations

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Radio Relay Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

Demodulating a broadcast signal received from a broadcast transmission station to extract a disaster message, identifying a disaster area through a disaster message, analyzing whether the disaster area is included in the relay zone of the disaster broadcast relay, There is provided a method and apparatus for relaying a disaster broadcast including a step of retransmitting a broadcast signal in which a disaster message is inserted.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for relaying a disaster broadcast using a broadcast system,

The present invention relates to a method and apparatus for relaying a disaster broadcast using a broadcast system.

At present, studies on early warning systems for disasters are underway, including the establishment of a basic plan for upgrading disaster response systems at the national level. In recent years, an early warning system has been developed that can dramatically shorten the initial version of disaster early analysis algorithms and breakdown and notification times. Through the early warning system developed in this way, disaster messages related to the occurrence of disasters are being transmitted through various media.

In addition, when the delivery of a disaster message is through a broadcasting network, it is provided only in a form of a simple breaking news, and a disaster message can not be provided when the broadcasting is not watched. In case of transmitting a disaster message through a Terrestrial Digital Media Broadcasting (T-DMB) system, a disaster message may be delivered through an emergency information data channel included in a digital broadcasting channel , There is a disadvantage in that a disaster message can be delivered only to a person who is watching digital broadcasting.

In addition, the disaster message utilizing the conventional T-DMB system is transmitted by the transmitting station, and the local transmitting station of the digital broadcasting merely retransmits the signal transmitted from the central transmitting station, Disaster messages can not be transmitted effectively. In particular, a relay station of a T-DMB broadcasting network simply retransmits a radio frequency (RF) signal, which makes it difficult to insert local information into an RF signal.

Disclosure of Invention Technical Problem [8] The present invention is directed to a disaster broadcast relaying method capable of analyzing a broadcast signal including a disaster message at a relay station of a digital broadcast and retransmitting a disaster message corresponding to the relay zone, adding an automatic acknowledgment signal to a digital broadcast signal, Device.

According to an embodiment of the present invention, a disaster broadcast relay method using a broadcast system is provided. The disaster broadcast relay method includes the steps of: extracting a disaster message by demodulating a broadcast signal received from a broadcast transmission station; identifying a disaster area through a disaster message; analyzing whether a disaster area is included in a relay area of the disaster- And, if the disaster area is included in the relay zone, re-transmitting the broadcast signal in which the disaster message is inserted.

Wherein the disaster broadcast repeating method further comprises the step of inserting a disaster message in an automatic acknowledgment transmission frame if a disaster area is included in the relay zone before the step of retransmitting, And < / RTI >

The step of inserting in the disaster broadcast relaying method may include inserting an automatic acknowledgment signal into the automatic acknowledgment transmission frame.

The step of retransmitting in the disaster broadcast relaying method includes the steps of converting a broadcast signal into an intermediate frequency band signal, synthesizing an intermediate frequency band signal and an automatic perceived transmission frame, and converting the synthesized signal into a radio frequency band signal . ≪ / RTI >

According to another embodiment of the present invention, a disaster broadcast relay apparatus using a broadcasting system is provided. The disaster broadcast relay apparatus includes a disaster message extracting unit for extracting a disaster message by demodulating a broadcast signal received from a broadcast transmission station, a disaster area checking unit for identifying a disaster area through a disaster message, And a broadcast relay unit for re-transmitting the broadcast signal in which the disaster message is inserted when the disaster area is included in the relay zone.

The disaster broadcast relay apparatus may further include an automatic acknowledgment signal generation unit for inserting a disaster message into an automatic acknowledgment transmission frame when a disaster area is included in the relay zone, and the broadcast relay unit may combine the automatic acknowledgment transmission frame with a broadcast signal have.

The automatic acknowledgment signal generation unit in the disaster broadcast relay apparatus can insert an automatic acknowledgment signal into the automatic acknowledgment transmission frame.

The broadcast relay unit of the disaster broadcast relay apparatus may convert a broadcast signal into an intermediate frequency band signal, synthesize an intermediate frequency band signal and an automatic perceived transmission frame, and convert the synthesized signal into a radio frequency band signal.

According to an embodiment of the present invention, a disaster message corresponding to a relay zone of a digital broadcast relay station can be selectively retransmitted by extracting a disaster message from a digital broadcast signal and identifying a disaster area. The disaster message relay device according to the embodiment of the present invention can effectively notify a disaster exposure area (coastal area, earthquake bundle area, inner city area, etc.) through a disaster message relay device.

1 is a diagram showing an automatic perceived disaster broadcasting system.
2 is a diagram illustrating a disaster broadcast relay system according to an embodiment of the present invention.
3 is a block diagram illustrating a disaster broadcast relay system according to an embodiment of the present invention.
4 is a flowchart illustrating a disaster broadcast relaying method according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise. Also, the terms "part," "unit," "unit," "module," "block," and the like are used in the description to mean at least one unit for processing a function or an operation, Or a combination of software and hardware.

1 is a diagram showing an automatic perceived disaster broadcasting system.

When a disaster occurs in the disaster broadcasting center 120 to a broadcasting station (for example, terrestrial-digital media broadcasting (T-DMB) broadcasting station) 110 of the digital broadcasting, And a wake-up signal with a digital broadcast signal and transmits the synthesized signal to the transmitting station 100 of the digital broadcasting. At this time, the broadcasting station 110 converts the automatic acknowledgment signal into a spreading code and combines it with a digital broadcasting signal, thereby automatically causing the digital broadcasting receiving terminal (hereinafter referred to as 'terminal') 200 to automatically It can recognize disaster messages and display disaster information.

2 is a diagram illustrating a disaster broadcast relay system according to an embodiment of the present invention.

The disaster broadcast relay system according to an embodiment of the present invention includes a digital broadcasting transmission station 100 and a digital broadcasting relay station 300. [

The conventional digital broadcasting relay station simply retransmits the signal transmitted from the digital broadcasting transmission station 100 into the relay area. In this case, the disaster message included in the digital broadcasting signal is simply transmitted. Therefore, in order to deliver disaster information, a disaster area is extracted by filtering a disaster message using a global positioning system (GPS) included in the terminal 200, or information on the disaster area is transmitted to the terminal 200 To allow the user to know where the disaster has occurred. Especially, in case of disaster broadcasting through the Automatic Emergency Alert Message Service (AEAS), it was possible to transmit information only when the user is watching digital broadcasting.

The digital broadcasting relay station 300 according to the embodiment of the present invention can analyze the disaster area information among the AEAS information included in the digital broadcasting signal so that only when the disaster area is included in the relay area, 200). ≪ / RTI > That is, the digital broadcasting relay station 300 according to the embodiment of the present invention acts as a relay device of the disaster broadcasting, so that the terminal 200 can quickly deliver the disaster message in the relay zone even if the GPS module is not included. Also, the digital broadcasting relay station 300 can display the disaster message on the terminal 200 even when the viewer is not watching the digital broadcasting using the automatic recognition signal of the automatic recognition system.

3 is a block diagram illustrating a disaster broadcast relay system according to an embodiment of the present invention.

3, the digital broadcasting relay station 300 includes a receiving unit 310, a digital broadcasting relay unit 320, a disaster message extracting unit 330, a disaster message analyzing unit 340, 350).

The receiving unit 310 receives the digital broadcasting signal transmitted from the digital broadcasting transmitting station 100 and transmits the received digital broadcasting signal to the digital broadcasting relay unit 320 and the disaster message extracting unit 330.

The digital broadcast relay unit 320 can relay the digital broadcast signal transmitted from the digital broadcast transmission station 100. That is, the digital broadcasting signal (RF signal) received from the receiver 310 is converted into an intermediate frequency (IF) band signal, and the automatic acknowledgment transmission frame is synthesized with the converted IF signal. Converts it to an RF band signal (up convert) and retransmits it. And an IF bandpass filter, an equalizer, and the like included in a conventional digital broadcasting relay station.

The disaster message extracting unit 330 may demodulate the digital broadcast signal received from the receiver 310 and extract a disaster message (for example, an AEAS signal) included in the demodulated signal.

The disaster message analyzing unit 340 can identify the disaster area in the extracted disaster message and deliver the disaster message to the automatic acknowledge signal generator 350 when the disaster area is included in the relay area. At this time, the relay zone information of the digital broadcasting relay station 300 may be manually set by an operator, or may be automatically set by position information through a GPS device or the like.

The automatic acknowledgment signal generation unit 350 may generate an automatic acknowledgment transmission frame in which a disaster message and an automatic acknowledgment signal are inserted. Then, the automatic acknowledgment signal generation unit 350 transmits the automatic acknowledgment transmission frame to the digital broadcast relay unit 320, and the digital broadcast relay unit 320 combines the automatic acknowledgment transmission frame with the digital broadcast signal and retransmits the automatic acknowledgment signal.

Meanwhile, when there is a disaster announcement agency or a disaster announcement station (hereinafter referred to as 'disaster announcement institution') in the relay zone, the digital broadcast relay station 300 according to the embodiment of the present invention automatically receives The signal can be directly received. At this time, the automatic acknowledgment signal controller included in the disaster announcement organization directly controls the automatic acknowledgment signal generator 350 according to the embodiment of the present invention to synthesize an automatic acknowledgment transmission frame including a disaster message and an automatic acknowledgment signal, can do.

4 is a flowchart illustrating a disaster broadcast relaying method according to an embodiment of the present invention.

First, the digital broadcasting relay station 300 receives the digital broadcasting signal transmitted from the digital broadcasting transmission station 100 (S401). The received digital broadcasting signal is transmitted to the digital broadcasting relay unit 320 and the disaster message extracting unit 330.

The disaster message extracting unit 330 extracts a disaster message from the digital broadcast signal (S402), and delivers the disaster message to the disaster message analyzer 340. [

The disaster message analyzing unit 340 identifies the disaster area through the disaster message (S403), and analyzes whether the disaster area is included in the relay area of the digital broadcasting relay station 300 (S404). If the disaster area is not included in the relay area, the disaster message delivered from the disaster message extractor 330 is continuously monitored and analyzed. However, if the disaster area is included in the relay zone, the disaster message is transmitted to the automatic acknowledge signal generator 350. [

The automatic acknowledgment signal generation unit 350 inserts a disaster message into an automatic transmission frame by assigning a disaster message to the channel included in the automatic transmission frame or the automatic transmission acknowledgment message. In addition, the automatic perception signal generation unit 350 inserts an automatic perception signal into the automatic perceived transmission frame (S405). Thereafter, the automatic acknowledgment transmission frame in which the disaster message and the automatic acknowledgment signal are inserted is synthesized with the digital broadcast signal converted into IF (S406).

Finally, the digital broadcasting relay station 300 retransmits the digital broadcasting signal including the automatic acknowledgment transmission frame to the relay area (S407).

As described above, according to the embodiment of the present invention, a disaster message corresponding to the relay area of the digital broadcasting relay station 300 can be selectively retransmitted by extracting a disaster message from the digital broadcast signal and confirming the disaster area. The disaster message relay device according to the embodiment of the present invention can effectively notify a disaster exposure area (coastal area, earthquake bundle area, inner city area, etc.) through a disaster message relay device.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.

Claims (8)

A method for relaying a disaster broadcast using a broadcast system,
Extracting a disaster message by demodulating a broadcast signal received from a broadcasting station,
Analyzing the disaster area through the disaster message and analyzing whether the disaster area is included in the relay area of the disaster broadcasting repeater;
If the disaster area is included in the relay zone, retransmitting the broadcast signal in which the disaster message is inserted
The method comprising the steps of: The method of claim 1,
Before the retransmitting step,
Inserting the disaster message into the automatic acknowledgment transmission frame if the disaster area is included in the relay zone
Further comprising:
Wherein the retransmitting step comprises:
Synthesizing the automatic acknowledgment transmission frame with the broadcast signal
The method comprising the steps of: 3. The method of claim 2,
Wherein the inserting step comprises:
A step of inserting an automatic acknowledgment signal into the automatic acknowledgment transmission frame
The method comprising the steps of: 4. The method of claim 3,
Wherein the retransmitting step comprises:
Converting the broadcast signal into an intermediate frequency (IF) band signal,
Synthesizing the intermediate frequency band signal and the automatic acknowledgment transmission frame, and
And converting the synthesized signal into a radio frequency (RF) band signal
The method comprising the steps of: A disaster broadcast relay apparatus using a broadcast system,
A disaster message extracting unit for extracting a disaster message by demodulating a broadcast signal received from a broadcast transmitting station,
A disaster message analyzing unit for identifying a disaster area through the disaster message and analyzing whether the disaster area is included in a relay area of the disaster broadcasting repeater,
A broadcast relay unit for retransmitting the broadcast signal in which the disaster message is inserted when the disaster area is included in the broadcast zone,
The disaster broadcast relay apparatus comprising: The method of claim 5,
And an automatic acknowledgment signal generator for inserting the disaster message into the automatic acknowledgment transmission frame if the disaster area is included in the relay zone,
Further comprising:
The broadcast relay unit,
And combines the automatic acknowledgment transmission frame with the broadcast signal. The method of claim 6,
Wherein the automatic acknowledgment signal generation unit comprises:
And inserts an automatic acknowledgment signal into the automatic acknowledgment transmission frame. 8. The method of claim 7,
The broadcast relay unit,
And converts the broadcast signal into an intermediate frequency (IF) band signal, synthesizes the intermediate frequency band signal and the automatic perceived transmission frame, and converts the synthesized signal into a radio frequency (RF) band signal Disaster broadcast relay device.
KR1020140046301A 2014-04-17 2014-04-17 Method and apparatus of relaying emergency alert using broadcasting system KR20150120598A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020140046301A KR20150120598A (en) 2014-04-17 2014-04-17 Method and apparatus of relaying emergency alert using broadcasting system
DE102015105272.5A DE102015105272B4 (en) 2014-04-17 2015-04-08 Method and device for forwarding emergency alarm broadcasting using a broadcasting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140046301A KR20150120598A (en) 2014-04-17 2014-04-17 Method and apparatus of relaying emergency alert using broadcasting system

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KR20150120598A true KR20150120598A (en) 2015-10-28

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DE (1) DE102015105272B4 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240057581A (en) 2022-10-25 2024-05-03 주식회사 아고스 Disaster broadcasting wireless relay system that compensates for synchronization signals and improves broadcasting quality of radio shaded areas

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7734246B2 (en) * 2007-03-29 2010-06-08 Echostar Technologies L.L.C. Broadcast communication system and method for providing users with information associated with a geographical area
US20100240339A1 (en) * 2009-03-18 2010-09-23 Delphi Technologies, Inc. Communication system and device providing alert warnings and method therefor
KR20120084560A (en) * 2011-01-20 2012-07-30 삼성전자주식회사 Method and apparatus for providing and receiving disaster information
CA2815707C (en) * 2012-03-02 2016-07-05 Lg Electronics Inc. Method of providing an emergency alert service via a mobile broadcasting and apparatus therefor
KR20140046301A (en) 2012-10-10 2014-04-18 삼성전기주식회사 Multi-layered ceramic electronic parts and method of manufacturing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240057581A (en) 2022-10-25 2024-05-03 주식회사 아고스 Disaster broadcasting wireless relay system that compensates for synchronization signals and improves broadcasting quality of radio shaded areas

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DE102015105272A1 (en) 2015-10-22
DE102015105272B4 (en) 2019-11-07

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