KR20090038533A - Method for receiving of digital multimedia broadcasting - Google Patents

Method for receiving of digital multimedia broadcasting Download PDF

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Publication number
KR20090038533A
KR20090038533A KR1020070103864A KR20070103864A KR20090038533A KR 20090038533 A KR20090038533 A KR 20090038533A KR 1020070103864 A KR1020070103864 A KR 1020070103864A KR 20070103864 A KR20070103864 A KR 20070103864A KR 20090038533 A KR20090038533 A KR 20090038533A
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KR
South Korea
Prior art keywords
link
link information
displaying
information
digital multimedia
Prior art date
Application number
KR1020070103864A
Other languages
Korean (ko)
Inventor
정지민
Original Assignee
삼성전자주식회사
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Priority to KR1020070103864A priority Critical patent/KR20090038533A/en
Publication of KR20090038533A publication Critical patent/KR20090038533A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/4722—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting additional data associated with the content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/488—Data services, e.g. news ticker
    • H04N21/4882—Data services, e.g. news ticker for displaying messages, e.g. warnings, reminders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
    • H04H2201/11—Aspects of broadcast communication characterised by the type of broadcast system digital multimedia broadcasting [DMB]

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

The present invention relates to a method for receiving a digital multimedia broadcasting, comprising: displaying a disaster message when receiving a disaster message, checking whether the disaster message includes link information, displaying a link information that can be supported when the link information is included, Downloading and displaying the link data when requesting connection to a supportable link. According to the present invention, various additional information can be obtained in addition to the disaster message in the form of text, so that the user can provide various information about the disaster broadcasting.

Description

How to receive digital multimedia broadcasting {METHOD FOR RECEIVING OF DIGITAL MULTIMEDIA BROADCASTING}

The present invention relates to a method for receiving digital multimedia broadcasting, and more particularly, to a terrestrial digital multimedia broadcasting, and when receiving a disaster message including a plurality of link information, a digital multimedia broadcasting receiving method capable of downloading and displaying data of a link in a corresponding application. It is about.

Digital Multimedia Broadcasting (DMB) is a broadcasting service that digitally modulates multimedia signals such as voice and video, and receives various multimedia broadcasts while the user is moving through a receiving device equipped with an omnidirectional receiving antenna. Refers to a broadcast service that can be done. In order to commercialize the digital multimedia broadcasting service, it is necessary to develop a receiving device capable of receiving digital multimedia broadcasting. At present, various types of digital broadcasting receivers and terminals have been released in Korea, contributing to the commercialization of the digital multimedia broadcasting service.

Digital multimedia broadcasting reception is possible not only by a digital multimedia broadcasting receiver but also various portable and vehicle terminals equipped with digital multimedia broadcasting reception functions. Currently, digital multimedia broadcasting reception functions are installed in various types of terminals such as mobile phones, laptops, personal digital assistants (PDAs), portable multimedia players (PMPs), pedestrian navigation systems (PNSs), and car navigation systems (CNSs).

The digital multimedia broadcasting receiver receives a digital multimedia broadcasting, for example, a disaster broadcasting transmitted from a transmission center while receiving terrestrial digital multimedia broadcasting or powering on. Disaster broadcasting refers to the rapid transmission / reception of useful information in case of a variety of disasters or threats in transmitting and receiving terrestrial digital multimedia broadcasting. These disaster broadcasts only display disaster messages in text form.

Accordingly, an object of the present invention is to provide a digital multimedia broadcasting reception method capable of providing various information according to disaster broadcasting.

Another object of the present invention is to provide a digital multimedia broadcasting reception method capable of receiving a disaster message including a plurality of link information and displaying data of a specific link.

In accordance with another aspect of the present invention, there is provided a digital multimedia broadcasting reception method, comprising: displaying a disaster message when receiving a disaster message, checking whether the disaster message includes link information, and including the link information; And displaying supportable link information, and downloading and displaying data of the link when a connection request is made to the supportable link.

Another invention for achieving the above object is a method for receiving terrestrial digital multimedia broadcasting, which is a fast information group (FIG) type 5 of a fast information channel (FIC) in a terrestrial digital multimedia broadcasting viewing mode. 2, confirming whether or not a disaster message is received, when receiving the disaster message, displaying the disaster message, checking whether the disaster message includes a link, and including the link information, support And displaying the available link information, and downloading and displaying data of the link when a connection request is made to the supportable link.

According to the present invention, various additional information can be obtained in addition to the disaster message in the form of text, so that the user can provide various information about the disaster broadcasting.

DETAILED DESCRIPTION A detailed description of preferred embodiments of the present invention will be described with reference to the accompanying drawings. However, in the embodiment of the present invention, the term "link" refers to a communication path in one direction or two directions between two points, and generally means a connection path connecting the exchange points. That is, information refers to information that can be moved to a screen for providing specific data through a specific application, for example, a web browser or a web browser. The term " header " means the kind of link. It is divided into WEB for web link, WAP for swap link, IMG for image link, and CHN for broadcast channel link.

The term " link address " refers to a standard for indicating a location of a file in servers providing various services of the link, and means a URL (Uniform Resource Locator). In addition, the term "link information" means including the aforementioned header and link address. In addition, the term "Data" refers to information provided by the link when the link is connected. That is, it refers to information displayed by accessing the address of a specific link provided in link information and downloading from the connected link. That is, a screen is displayed by accessing a specific link and accessing the link.

In addition, prior to the detailed description of the present invention, the above and hereinafter, for the convenience of description, the digital multimedia broadcasting receiving apparatus will be described by way of example, but the present invention is not limited thereto. That is, the apparatus for receiving digital multimedia broadcasting according to the embodiments of the present invention provides a user convenience and is capable of receiving and outputting terrestrial digital multimedia broadcasting. Preferably, the digital multimedia broadcasting receiving apparatus is a portable terminal, a mobile terminal, a mobile phone, a wired / wireless radio. All information communication devices and multimedia devices such as telephones, MP3 players, portable multimedia players (PMPs), personal digital assistants (PDAs), smart phones, and the like, and applications thereof. It will be obvious that it can be applied.

FIG. 1A is a diagram illustrating a structure of FIG. 5 as a disaster message transmission / reception matching standard for digital multimedia broadcasting according to the present invention, and FIG. 1B is a FIG TYPE 5/2 field as a disaster message transmission / reception matching standard for digital multimedia broadcasting according to the present invention. A diagram showing the structure of the.

Referring to FIG. 1A and FIG. 1B, the disaster broadcast transmission / reception standard of terrestrial digital multimedia broadcasting (hereinafter referred to as digital multimedia broadcasting) will be described with reference to FIG (Fast Information Group) of the Fast Information Channel (FIC). Appears as a type 5 structure.

Digital Multimedia Broadcasting is a Single Frequent Network (SFN) that eliminates deafness, enables powerful mobility (150 km) and mobile reception, and provides flexible services (video, audio, data) and multiplexing functions. , Eureka-147 has strong data services such as Emergency Warnning System (EWS), Traffic Message Channel (TWC), and paging.

The transmission frame of the Eureka-147 consists of a synchronization channel (SC), a FIC, and a main service channel (MSC), and each channel has a frequency or spreading code according to a modulation scheme adopted by a digital multimedia broadcasting system. Are separated through:

The FIC is composed of Service Information (SI), Fast Information Data Channel (FIDC), Multiplex Configuration Information (MCI), and Conditional Access (CA). Here, FIDC is used for emergency data services such as radio calling, EWS, and TWC.

The disaster broadcasting transmitter transmits the disaster information by encoding the disaster message in the Extension 2 (FIG 5/2) region of FIG Type 5 using the FIC of the digital multimedia broadcasting. The receiving end, for example, the digital multimedia broadcasting receiving apparatus periodically decodes the FIG Type 5/2 region and displays a disaster message.

The presence / absence of the disaster message is indicated by 1 bit in the D2 area of the FIG data area, as shown in FIG. 1B. By displaying D2 as 0 when there is no disaster message and by displaying D2 as 1 when there is a disaster message, it is possible to determine whether or not there is a disaster message. Here, when D2 is 0, a padding message is sent, and when D2 is 1, a disaster message is sent. Here, the disaster message has a structure of disaster type, alarm priority, disaster time, disaster area type, disaster area number, disaster area, and short message (message content).

Hereinafter, a digital multimedia broadcasting receiver according to the present invention will be described. 2 is a block diagram schematically showing an apparatus for receiving digital multimedia broadcasting according to the present invention.

Referring to FIG. 2, the digital multimedia broadcasting system according to the present invention includes a transmission center 150 and a digital multimedia broadcasting receiving apparatus 100.

The transmission center 150 transmits a digital multimedia broadcasting signal received from a broadcasting station (not shown). The transmission center 150 transmits the disaster message received from the firefighting disaster prevention agency. The transmission center 150 includes the plurality of link information together with the text information in the short region of the structure of the disaster message according to the present embodiment. The transmission center 150 displays the start and end of the link information with the first special character within the short text area, and displays the plurality of link information with the second special character. For example, the transmission center 150 displays the start and end of the link information in quotation marks (") within the short text area, and the division of the plurality of link information is indicated by a semicolon (;). And a special character for distinguishing a plurality of link informations are not limited thereto.The transmission center 150 adds a header as shown in Table 1 below, and sets the type of link information. I can display it.

Header Remarks action form WEB WEB link Run the WEB browser to display the link http: // WEB page address WAP WAP Link Run the WAP browser to print the link http: // WAP page address IMG Image link Run image viewer to print the image jpg: // JPEG picture address png: // PNG picture address CHN Broadcast Channel Link Go to the service of this ensemble ensemble: serviceID

The transmission center 150 transmits a plurality of link information in the form as shown in Table 1. The transmission center 150 gives priority to a link, transmits a plurality of link information by forming a priority in the order of high priority. The transmitted link information is in the form of "WEB = http: //www.anysite.or.kr/info; WAP = http: //wap.anysite.or.kr/info; CHN = 0xE044: 0xF1E00441", for example. Can be. That is, the transmission center 150 transmits a plurality of link information in the order of high priority (in order of heavy application), for example, WEB, WAP, CHN. At this time, the digital multimedia broadcasting reception apparatus 100 that receives such link information checks the header and if there is an application that can be processed, accesses the corresponding link and outputs data.

Alternatively, the transmission center 150 may transmit a plurality of link information regardless of priority, and the digital multimedia broadcasting reception apparatus 100 may check the header of each link information in order to check whether the link is supportable.

The digital multimedia broadcasting receiver 100 has a configuration of an RF unit 101, a display unit 103, a memory unit 105, a key input unit 107, a control unit 109, and a digital multimedia broadcast receiving unit 111.

The RF unit 101 performs a wireless communication function of the digital multimedia broadcasting reception device 100. The RF unit 101 includes an RF transmitter for upconverting and amplifying a frequency of a transmitted signal, and an RF receiver for low noise amplifying and downconverting a received signal. In the present embodiment, since the case where the digital multimedia broadcasting receiving apparatus 100 is a portable terminal is described as an example, the RF unit 101 is provided, but the present invention is not limited thereto. That is, the digital multimedia broadcasting reception device 100 may not include the RF unit 101.

The display unit 103 visually displays various types of information related to the state and operation of the digital multimedia broadcasting receiving apparatus 100. The display unit 103 displays the digital multimedia broadcasting transmitted from the transmission center 150 according to the present embodiment. The display unit 103 receives a disaster message from the transmission center 150 in the digital multimedia broadcasting viewing mode or in the power-on state of the digital multimedia broadcasting receiving apparatus 100, and displays it. If the disaster message includes the link information, and the display of the data of the link is required, the display unit 103 connects to the link to download the data and displays the data.

The memory unit 105 stores programs and information necessary for the operation of the digital multimedia broadcasting receiving apparatus 100. The memory unit 105 stores the received digital multimedia broadcasting data and the disaster message ID (IDentity) according to the present embodiment. The disaster message has a unique ID. The transmission center 150 assembles the divided disaster message by using the disaster message ID, and the digital multimedia broadcasting receiver 100 is used to not receive the repeated disaster message repeatedly. In order for the digital multimedia broadcasting receiving apparatus 100 to avoid duplicate reception of a disaster message, the disaster message ID is managed by a service provider or an ensemble operator to have a single ID nationwide for a single disaster information.

The key input unit 107 receives a user's operation signal for controlling the operation of the digital multimedia broadcasting receiving apparatus 100. According to the present embodiment, the key input unit 107 performs operations such as selecting a digital multimedia viewing mode, requesting a link connection when there is link information in a disaster message, terminating the display of the link data downloaded and displayed, and terminating the digital multimedia broadcasting viewing. .

The controller 109 controls the overall operation of each component of the digital multimedia broadcasting reception device 100. The controller 109 controls the digital multimedia broadcasting reception function according to the present embodiment. The controller 109 continuously checks FIG 5/2 in the digital multimedia broadcasting viewing mode or in the power-on state. The controller 109 checks whether D2 of FIG 5/2 is 1, and confirms whether or not a disaster message exists. Here, since the present embodiment describes terrestrial digital multimedia broadcasting as an example, as described above, the controller 109 checks whether FIG 5/2 and D2 are 1. However, it is not limited to this form. That is, the controller 109 may check the presence or absence of a disaster message in the digital multimedia broadcasting viewing mode or according to specifications for each country and digital multimedia broadcasting in a power-on state.

The control unit 109 checks the header of the link information when the link information is included in the received disaster message, and displays on the display unit 103 that there is link information together with the disaster broadcast in the case of a supportable link. When the connection request is made to the link, the control unit 109 runs the corresponding application according to the link information, connects to the link address of the link information, downloads the link data, and displays the data. For example, link information may be received in the form of "WEB = http: //www.anysite.or.kr/info; WAP = http: //wap.anysite.or.kr/info; CHN = 0xE044: 0xF1E00441" When only the WAP browser is mounted, the control unit 109 ignores the WEB header and drives the WAP browser to download and display the data of the link with the WAP header. If the digital multimedia broadcasting receiver 100 does not support a network function such as a return channel, the controller 109 tunes and displays a service of a corresponding ensemble having a CHN header in the form of the above-described link information.

Hereinafter, a digital multimedia broadcasting reception method according to the present invention will be described. 3 is a flowchart schematically illustrating a digital multimedia broadcasting reception method according to the present invention.

1 to 3, the digital multimedia broadcasting reception method according to the present invention will be described first. As shown in FIG. 3, in the digital multimedia broadcasting viewing mode (S301), the control unit 109 transmits and receives a disaster message of digital multimedia broadcasting. Check the matching standard. That is, the control unit 109 checks FIG 5/2 (S303). Here, the controller 109 may check FIG 5/2 even in the power-on state instead of the digital multimedia broadcasting viewing mode according to the set form. The transmission center 150 encodes the disaster message and transmits the disaster message to the FIG Type 5/2 region by using the FIC of the digital multimedia broadcasting. The controller 109 periodically checks the FIG Type 5/2 area transmitted from the transmission center 150.

Subsequently, the controller 109 checks whether a disaster message exists. That is, the controller 109 checks whether D2 is 1 (S305). The presence or absence of a disaster message is indicated by 1 bit in the D2 area of the FIG data area. By displaying D2 as 0 when there is no disaster message and by displaying D2 as 1 when there is a disaster message, it is possible to determine whether or not there is a disaster message. When D2 is 0, since there is no disaster message, the control unit 109 returns to the above-described step S303, and when D2 is 1, the control unit 109 checks whether the disaster message ID is duplicated (S307). The control unit 109 checks whether the ID of the received disaster message is duplicated so as not to receive the duplicated disaster message repeatedly.

If the IDs of the disaster message do not overlap, the controller 109 analyzes the disaster message (S309). Disaster messages have a structure of disaster type, alarm priority, disaster time, disaster area type, disaster area number, disaster area, and short message structure. After that, the controller 109 checks whether the area codes match (S311), and if they match, obtains disaster information (S313). The controller 109 performs an operation according to the disaster alert priority (S315). For example, when the disaster information is very urgent, the control unit 109 outputs a text, an alarm, and additional information. When the disaster information is urgent, the control unit 109 outputs a text, an alarm. If the disaster information is normal, the control unit 109 outputs only text.

Next, the controller 109 checks whether link information exists in the disaster message (S317). If the link information does not exist, the controller 109 proceeds to step S337. If the link information exists, the controller 109 checks the header of the link information (S319). In the present embodiment, a description will be given taking as an example a plurality of link information. For example, the structure of the link information is in the form of "WEB = http: //www.anysite.or.kr/info; WAP = http: //wap.anysite.or.kr/info; CHN = 0xE044: 0xF1E00441". Explain.

When checking the header, the controller 109 checks whether the link is supportable (S321). In the case of a link that can be supported, the controller 109 displays the disaster broadcast and displays the link information on the display unit 103 (S323). When the digital multimedia broadcasting reception device 100 includes a web browser, the controller 109 may perform this process.

Subsequently, the controller 109 checks whether a link connection request is made from the user (S325). The user sees that there is link information displayed in the above-described step S323, and may request a link connection.

At the link connection request, the control unit 109 drives the application to connect to the link, download the link data, and display the data on the display unit 103. As described above, when the digital multimedia broadcasting receiving apparatus 100 has a WEB browser, the control unit 109 drives the WEB browser to display the data of the link.

The controller 109 checks whether an OFF signal is input from the user during data output by accessing the link (S329), and when checking off signal input, the controller 109 terminates data display of the link (S331). The control unit 109 stores the disaster message ID in the memory unit 105 (S333), returns to the above-described step S301, and continues the digital multimedia broadcasting viewing mode.

On the other hand, if the link information that is not supported in the above-described step S321, the control unit 109 checks whether the link information is the last link information (S335). If it is not the last link information, the control unit 109 returns to the above-described step S319 to check the next header. When the digital multimedia broadcasting reception apparatus 100 having received the link information type as described above does not have a web browser, the controller 109 returns to step S319 to check a next header, for example, a WAP header. Thereafter, when the WAP browser is provided in the digital multimedia broadcasting reception apparatus 100 in step S321, the controller 109 proceeds to step S323.

On the other hand, in the case of the last link information in step S335, the control unit 109 displays the disaster broadcast on the display unit 103 (S337). Unlike the above-described step S323, only the disaster broadcast is displayed without indicating that there is link information.

Subsequently, when the off signal is input or set by the user, the controller 109 checks whether the disaster broadcast display time is over (S339), and returns to the above-described process S331.

Meanwhile, the method for receiving digital multimedia broadcasting according to the present invention is not limited to the above-described embodiments and may be variously modified within the scope not departing from the technical spirit of the present invention.

For example, the digital multimedia broadcasting according to the present embodiment is a terrestrial digital multimedia broadcasting, and the digital multimedia broadcasting apparatus continuously checks FIG 5/2 and D2 to confirm the existence of a disaster message. However, it is not limited to this form. That is, the digital multimedia receiving apparatus checks the existence of the disaster message by using each specification according to each country and broadcasting type, and thus, various information may be provided due to the link information on the disaster message according to the present embodiment. have.

This will be readily apparent to those skilled in the art.

FIG. 1A illustrates the structure of FIG. 5 as a disaster message transmission / reception matching standard for terrestrial digital multimedia broadcasting according to the present invention.

1B is a diagram illustrating the structure of a FIG TYPE 5/2 field as a disaster message transmission / reception matching standard for terrestrial digital multimedia broadcasting according to the present invention.

2 is a block diagram schematically showing an apparatus for receiving digital multimedia broadcasting according to the present invention.

3 is a flowchart schematically illustrating a digital multimedia broadcasting reception method according to the present invention.

Claims (16)

Displaying the disaster message and checking whether the disaster message includes link information when a disaster message is received; Displaying the link information that can be supported when the link information is included; And requesting to access the supportable link, downloading and displaying data of the link. The method of claim 1, wherein the disaster message, Digital multimedia broadcasting receiving method comprising a plurality of link information. The method of claim 2, wherein the link information, And displaying the start and end of the link information using a first special character in the short area of the disaster message, and separately displaying the plurality of link information using a second special character. The method of claim 1, wherein the downloading and displaying process, And operating the application to connect to the supportable link. The method of claim 2, wherein the displaying of the link information comprises: Checking whether the link information is supported when the link information is included; And in the case of the supportable link, displaying the supportable link information. The method of claim 5, The link information includes a header and a link address, And checking the header of the link to determine whether the link is a supportable link. The method of claim 5, wherein the downloading and displaying process, If the link information is not supported, determining whether the link information is the last link information; If not the last link information, returning to the support confirmation process; And if it is the last link, displaying the disaster message. The method of claim 6, The link includes a web (WEB) link, a WAP link, an image link, a broadcast channel link, The header comprises a web, swap, image (IMG), broadcast channel (CHN). Checking a fast information group (FIG) type 5/2 of a fast information channel (FIC) in a terrestrial digital multimedia broadcasting viewing mode to determine whether a disaster message is received; Upon receiving the disaster message, displaying the disaster message and confirming whether the disaster message includes a link; Displaying the link information that can be supported when the link information is included; And downloading and displaying data of the link when a connection request is made to the supportable link. The method of claim 9, wherein the disaster message, Terrestrial digital multimedia broadcasting receiving method comprising a plurality of link information. The method of claim 10, wherein the link information, And displaying the start and end of the link information using a first special character within the short area of the disaster message, and separately displaying the plurality of link information using a second special character. The method of claim 9, wherein the downloading and displaying process, Terrestrial digital multimedia broadcasting reception method, characterized in that for driving the application to connect to the supportable link. The method of claim 10, wherein the displaying of the link information comprises: Checking whether the link information is supported when the link information is included; And in the case of the supportable link, displaying the supportable link information. The method of claim 13, The link information includes a header and a link address, Terrestrial digital multimedia broadcasting receiving method according to claim 1, wherein the link header is checked to check whether the link is supported. The method of claim 13, wherein the downloading and displaying process, If the link information is not supported, determining whether the link information is the last link information; If not the last link information, returning to the support confirmation process; If the last link, terrestrial digital multimedia broadcasting receiving method further comprising the step of displaying the disaster message. The method of claim 14, The link includes a web link, a swap link, an image link, a broadcast channel link, The header is a terrestrial digital multimedia broadcast receiving method comprising a web, a swap, an image, a broadcast channel.
KR1020070103864A 2007-10-16 2007-10-16 Method for receiving of digital multimedia broadcasting KR20090038533A (en)

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