KR100784060B1 - Method of filtering contents based on data channel parameter definition in dmb network - Google Patents

Abstract

A method for filtering contents based on broadcasting data channel parameter definition in a DMB(Digital Multimedia Broadcasting) network is provided to filter only preference contents selected by a user and store/search the filtered contents, thereby enabling the user to select only desired contents and maximizing the efficiency of memory space. A method for filtering contents based on broadcasting data channel parameter definition in a DMB(Digital Multimedia Broadcasting) network comprises the following steps of: setting a keyword selected by a user in a DMB receiving terminal(S101); receiving contents in the DMB receiving terminal and arbitrarily storing the received contents in a data cache(S102); comparing a keyword defined in MOT head expanding parameter field of the DMB broadcasting data channel with a keyword set in an internal part by a user(S103); and filtering contents corresponding to the keywords in the DMB receiving terminal, storing the filtered contents in a memory, and alarming the filtered contents(S104).

Description

Content filtering method according to parameter definition of broadcasting data channel in DM network {METHOD OF FILTERING CONTENTS BASED ON DATA CHANNEL PARAMETER DEFINITION IN DMB NETWORK}

1 is a network diagram showing the configuration of a DMB network to which the present invention is applied;

2 is an operation flowchart illustrating a content filtering method according to parameter definition of a broadcast data channel in a DMB network according to an embodiment of the present invention;

3 is a reference view showing a screen of a DMB receiving terminal to explain a content filtering method according to a parameter definition of a broadcast data channel in a DMB network according to FIG. 2;

4 is an operation flowchart illustrating a content filtering method according to parameter definition of a broadcast data channel in a DMB network according to an embodiment of the present invention;

FIG. 5 is a reference view showing a screen of a DMB receiving terminal to explain a content filtering method according to a parameter definition of a broadcast data channel in a DMB network according to FIG. 4; FIG.

6 is a reference diagram showing a protocol structure of a DMB broadcast data channel applied to the present invention;

7A is a reference diagram illustrating a configuration of a MOT object of a DMB broadcast data channel according to FIG. 6;

FIG. 7B is a reference diagram illustrating the configuration of a header core field in the MOT object according to FIG. 7A. FIG.

7C is a reference diagram illustrating the configuration of an extended field in a MOT object according to FIG. 7A;

FIG. 8 is a reference diagram showing the classification of each content type through the content type field of the MOT header core; FIG.

9 is a reference diagram illustrating a parameter coding table of a MOT header extension field.

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

100: DMB transmission system 200: DMB receiving terminal

The present invention relates to a method for filtering contents according to parameter definition of a broadcasting data channel in a digital multimedia broadcasting (DMB) network. The present invention relates to a content filtering method according to a parameter definition of a broadcast data channel in a DMB network that allows filtering or storing or retrieving only content of interest selected by a user when receiving various contents.

As is well known, the service of the integrated concept that combines mobile communication technology with various broadcasting and wireless internet technologies is getting great response from users. Accordingly, users can enjoy various broadcasting and wireless internets freely through mobile communication terminals anytime and anywhere, thereby improving the quality of life.

Among them, DMB broadcasting and wireless Internet are the most popular areas in recent years, which has attracted the attention of mobile communication providers to the DMB broadcasting industry. Among these trends, as the multimediaization of mobile communication terminals is rapidly accelerated, researches on mobile communication terminals for DMB reception are being actively conducted.

DMB broadcasting service is a service that allows the user to use the content by transmitting and receiving a large amount of various content and applications through the broadcast data channel in the DMB transmission system, the DMB receiving terminal receives or stores it.

However, according to the conventional DMB service method described above, not only the information desired by the user is selected and transmitted, but also a large amount of data is continuously transmitted indiscriminately, so that the DMB receiving terminal continues to receive information that the user does not want. There was a problem that it is difficult to use the efficient space of the memory because it can not be received and stored in the memory.

In addition, according to the above-described conventional DMB service method, it is difficult for the user to select only the content desired by the user from a lot of data stored in the terminal, and thus the quality of the service is deteriorated.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to filter or store or search only contents of interest selected by a user when receiving various contents through DMB broadcasting data. By not only providing the convenience by allowing the user to select the desired content but also maximizing the efficiency of utilizing the memory space of the terminal, broadcasting data in the MB network to solve the inconvenience caused by insufficient memory space It is to provide a content filtering method according to a parameter definition of a channel.

In order to achieve the above object, a content filtering method according to a parameter definition of a broadcast data channel in a DMB network according to the present invention is provided according to a parameter definition of a broadcast data channel in a DMB network having a DMB transmission system and a DMB receiving terminal. In the content filtering method,

Step 101, when the user selects a keyword of a desired content, the DMB receiving terminal sets a keyword selected by the user;

Step 102, when the DMB transmission system transmits various contents whose keywords are defined in the MOT header extension parameter field of the DMB broadcasting data channel through the DMB broadcasting data channel, the DMB receiving terminal receives them and temporarily stores them in a data cache; ;

Step 103, wherein the DMB receiving terminal compares a keyword defined in a MOT header extended parameter field of the DMB broadcast data channel with a keyword already set internally by the user to determine whether the same keyword exists; And

If the same keyword as the keyword selected by the user exists in step 103, the DMB receiving terminal filters only the content corresponding to the keyword, stores it in a memory, and then informs the user.

In addition, the content filtering method according to the parameter definition of the broadcast data channel in the DMB network, the content filtering method according to the parameter definition of the broadcast data channel in the DMB network having a DMB transmission system and a DMB receiving terminal,

In step 201, when the DMB transmission system transmits a content in which a keyword is defined in a MOT header extension parameter field of a DMB broadcast data channel through a DMB broadcast data channel, the DMB receiving terminal receives it and temporarily stores it in a data cache;

Step 202, the DMB receiving terminal determines whether a user inputs a desired keyword on a keyword search screen;

If the user does not input the desired keyword in the keyword search screen in step 202, the process proceeds to step 202 again, and when the user inputs the word, the DMB receiving terminal is defined in the MOT header extension parameter field of the DMB broadcast data channel. A step 203 of comparing the generated keyword with a keyword selected by the user to determine whether the same keyword exists; And

In step 203, if the same keyword as that selected by the user exists, the DMB receiving terminal reads the content corresponding to the keyword from the memory cache and displays the search result to the user. It is done.

Hereinafter, a content filtering method according to a parameter definition of a broadcast data channel in a DMB network according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a configuration diagram of a DMB network to which a content filtering method according to parameter definition of a broadcast data channel in a DMB network is applied, which is a DMB transmission system 100 and a DMB receiving terminal 200. Consists of.

In this case, the DMB transmission system 100 transmits various contents in which a keyword is defined in a multimedia object transfer (MOT) header extension parameter field of a DMB broadcast data channel through the DMB broadcast data channel. It serves to transmit to the DMB receiving terminal 200. As shown in FIG. 6, the DMB broadcast data channel is a fast information channel (FIC) including a "UserApplicationType" value of FIG 1/13, which defines that the current service type is a multimedia data transmission service using a MOT protocol. 10) and a MOT object 20 in which keywords of various contents are stored. At this time, the FIC 10 is configured with FIG information, the "UserApplicationType" value of FIG 1/13 can be defined and used by the service provider. That is, for each multimedia content transmission, "UserApplicationType" value of FIG 1/13 is defined as a specific value (for example, 0x005) to define that multimedia data is transmitted through the MOT protocol.

Meanwhile, as shown in FIG. 7A, the MOT object 20 includes a header core field 21 storing length and type information of each content, and a MOT header extension field 22 storing keyword information of each content. And a body field in which various data are stored. In this case, as shown in FIG. 7B, the header core field 21 includes a body size field 21a storing a body size, a header size field 21b storing a header size, and contents of each content. A type includes a ContentsType field 21c and a Contents SubType field 21d. In addition, the MOT header extension field 22 is composed of a plurality of parameters, as shown in FIG. 7C, wherein each parameter includes a PLI (Parameter Length Indicator) field 22a in which the overall length of the parameter is stored; A parameter ID field 22b in which ID information of the parameter is stored; And a data field 22c in which a keyword of each content is stored.

Meanwhile, when the DMB receiving terminal 200 receives various contents from the DMB broadcasting system 100 through the DMB broadcasting data channel, the keyword defined in the MOT header extended parameter data field 22c of the DMB broadcasting data channel. And compares the keywords already set inside by the user, to determine whether the same keyword exists, and if there is the same keyword thereafter stores only the content corresponding to the keyword in the memory and informs the user. At this time, the DMB receiving terminal 200 should be equipped with a DMB data channel receiving module.

Next, a content filtering method according to a parameter definition of a broadcast data channel in a DMB network according to an embodiment of the present invention having the above configuration will be described with reference to FIG. 2.

First, when the user selects a keyword (eg, "Hyo Lee") of the desired content on the keyword selection screen of the content shown in FIG. 3A, the DMB receiving terminal 200 selects the keyword selected by the user. Setting inside (S101).

On the other hand, the DMB transmission system 100 transmits the content in which the keyword is defined in the data field 22c of the MOT header expansion parameter 22 of the DMB broadcast data channel to the DMB receiving terminal 200 through the DMB broadcast data channel. send. Then, the DMB receiving terminal 200 receives various contents from the DMB transmission system 100 and temporarily stores them in a data cache (S102).

Then, the DMB receiving terminal 200 compares the keyword defined in the data field 22c of the MOT header extension parameter 22 of the DMB broadcast data channel with the keyword already set internally by the user, It is determined whether a keyword (eg, "Hyo Lee") exists (S103).

At this time, if the same keyword as the keyword selected by the user in step 103 exists (YES), the DMB receiving terminal 200 filters only the content corresponding to the keyword (eg, "Hyo Lee") and stores the memory. After storing in S3, the user is notified as shown in FIG. 3B (S104).

On the other hand, if there is no keyword identical to the keyword selected by the user in step 103 (NO), the DMB receiving terminal 200 discards all the various contents received from the DMB transmission system 100 (S105). .

In this case, as shown in FIG. 6, the DMB broadcast data channel is a MOT object in which the FIC 10 including the value of "UserApplicationType" of FIG 1/13 in which the current service type is defined and keywords of various contents are stored ( 20). In addition, the MOT object 20 includes a header core field 21 storing length and type information for each content, a MOT header extension field 22 storing keyword information for each content, and various data as shown in FIG. 7A. Consists of a body field where is stored.

As shown in FIG. 7B, the header core field 21 includes a body size field 21a storing a body size, a header size field 21b storing a header size, and a content type field 21c storing a type of each content. ) And the content subtype field 21d. FIG. 8 shows the classification of each type of content using the content type field 21c of the MOT header.

On the other hand, the MOT header extension field 22 is composed of a plurality of parameters, as shown in Figure 7c, each parameter includes a PLI field 22a in which the total length of the parameter is stored; A parameter ID field 22b in which ID information of the parameter is stored; And a data field 22c in which a keyword of each content is stored. In this case, FIG. 9 shows a list of specific keywords for contents transmitted to the data field 22c.

In the following description, a content filtering method according to a parameter definition of a broadcast data channel in a DMB network according to an embodiment of the present invention will be described with reference to FIG. 4, but overlapping contents will be omitted.

First, when the DMB transmission system 100 transmits a content whose keyword is defined in the data field 22c of the MOT header extension parameter of the DMB broadcasting data channel through the DMB broadcasting data channel, the DMB receiving terminal 200 This is received and temporarily stored in the data cache (S201).

Thereafter, the DMB receiving terminal 200 determines whether the user inputs a desired keyword on a keyword search screen as shown in FIG. 5A (S202).

At this time, if the user does not input a desired keyword in the keyword search screen in step 202 (NO) (NO), the DMB receiving terminal 200 proceeds to step 202 again (S202), and inputs. (YES) It is determined whether or not the same keyword exists by comparing the keyword defined in the data field 22c of the MOT header extended parameter of the DMB broadcast data channel with the keyword selected by the user (S203).

At this time, if the same keyword as the keyword selected by the user in step 203 (S203) exists (YES), the DMB receiving terminal 200 reads the content corresponding to the keyword from the memory cache, As shown in (b), the user displays the search result (S204).

On the other hand, if there is no keyword identical to the keyword selected by the user in step 203 (S203) (NO), the DMB receiving terminal 200 displays the search failure result to the user (S205).

Although the present invention has been described in more detail with reference to several embodiments, the present invention is not necessarily limited to these embodiments, and various modifications can be made without departing from the spirit of the present invention.

As described above, according to the content filtering method according to the parameter definition of the broadcasting data channel in the DMB network, when receiving various contents through the broadcasting data of the DMB, only the content of interest selected by the user may be filtered or stored or searched. By allowing the user to select only the content they want, the user can provide convenience and maximize the efficiency of utilizing the memory space of the terminal to solve the inconvenience caused by insufficient memory space. have.

Claims (12)

delete A content filtering method according to a parameter definition of a broadcast data channel in a DMB network having a DMB transmission system and a DMB receiving terminal, Step 101, when the user selects a keyword of a desired content, the DMB receiving terminal sets a keyword selected by the user; Step 102, when the DMB transmission system transmits various contents whose keywords are defined in the MOT header extension parameter field of the DMB broadcasting data channel through the DMB broadcasting data channel, the DMB receiving terminal receives them and temporarily stores them in a data cache; ; Step 103, wherein the DMB receiving terminal compares a keyword defined in a MOT header extended parameter field of the DMB broadcast data channel with a keyword already set internally by the user to determine whether the same keyword exists; And If the same keyword as the keyword selected by the user exists in step 103, the DMB receiving terminal filters only the content corresponding to the keyword, stores it in memory, and then informs the user. In step 103, if the same keyword as that selected by the user does not exist, step 105 further includes discarding all the various contents received from the DMB transmission system by the DMB receiving terminal. Content filtering method according to parameter definition of broadcasting data channel. A content filtering method according to a parameter definition of a broadcast data channel in a DMB network having a DMB transmission system and a DMB receiving terminal, Step 101, when the user selects a keyword of a desired content, the DMB receiving terminal sets a keyword selected by the user; Step 102, when the DMB transmission system transmits various contents whose keywords are defined in the MOT header extension parameter field of the DMB broadcasting data channel through the DMB broadcasting data channel, the DMB receiving terminal receives them and temporarily stores them in a data cache; ; Step 103, wherein the DMB receiving terminal compares a keyword defined in a MOT header extended parameter field of the DMB broadcast data channel with a keyword already set internally by the user to determine whether the same keyword exists; And If the same keyword as the keyword selected by the user exists in step 103, the DMB receiving terminal filters only the content corresponding to the keyword, stores it in memory, and then informs the user. The DMB broadcast data channel may include: an FIC including a "UserApplicationType" value of FIG 1/13 which defines that a current service type is a multimedia data transmission service using a MOT protocol; And A method of filtering content according to a parameter definition of a broadcast data channel in a DMB network, comprising: a MOT object storing keywords of various contents. The method of claim 3, wherein The MOT object may include: a header core field storing length and type information of each content; A MOT header extension field for storing keyword information about each content; And Content filtering method according to a parameter definition of a broadcast data channel in a DMB network, characterized in that the body field for storing a variety of data. The method of claim 4, wherein The header core field may include: a body size field in which a body size is stored; A header size field in which a header size is stored; And A content filtering method according to a parameter definition of a broadcast data channel in a DMB network, wherein the content type field and a content subtype field are stored. The method of claim 4, wherein The MOT header extension field may include a PLI field in which an entire length of a parameter is stored; A parameter ID field in which ID information of the parameter is stored; And Content filtering method according to the parameter definition of the broadcast data channel in the DMB network, characterized in that it comprises a data field storing the keyword of each content. delete A content filtering method according to a parameter definition of a broadcast data channel in a DMB network having a DMB transmission system and a DMB receiving terminal, In step 201, when the DMB transmission system transmits a content in which a keyword is defined in a MOT header extension parameter field of a DMB broadcast data channel through a DMB broadcast data channel, the DMB receiving terminal receives it and temporarily stores it in a data cache; Step 202, the DMB receiving terminal determines whether a user inputs a desired keyword on a keyword search screen; If the user does not input the desired keyword in the keyword search screen in step 202, the process proceeds to step 202 again, and when the user inputs the word, the DMB receiving terminal is defined in the MOT header extension parameter field of the DMB broadcast data channel. A step 203 of comparing the generated keyword with a keyword selected by the user to determine whether the same keyword exists; And If the same keyword as the keyword selected by the user exists in step 203, the DMB receiving terminal reads the content corresponding to the keyword from the memory cache and then displays the search result to the user. If there is no keyword identical to the keyword selected by the user in step 203, step 205 of displaying, by the DMB receiving terminal, a search failure result to the user is further included. Content filtering method according to parameter definition. A content filtering method according to a parameter definition of a broadcast data channel in a DMB network having a DMB transmission system and a DMB receiving terminal, In step 201, when the DMB transmission system transmits a content in which a keyword is defined in a MOT header extension parameter field of a DMB broadcast data channel through a DMB broadcast data channel, the DMB receiving terminal receives it and temporarily stores it in a data cache; Step 202, the DMB receiving terminal determines whether a user inputs a desired keyword on a keyword search screen; If the user does not input the desired keyword in the keyword search screen in step 202, the process proceeds to step 202 again, and when the user inputs the word, the DMB receiving terminal is defined in the MOT header extension parameter field of the DMB broadcast data channel. A step 203 of comparing the generated keyword with a keyword selected by the user to determine whether the same keyword exists; And If the same keyword as the keyword selected by the user exists in step 203, the DMB receiving terminal reads the content corresponding to the keyword from the memory cache and then displays the search result to the user. The DMB broadcast data channel may include: an FIC including a "UserApplicationType" value of FIG 1/13 in which a current service type is defined; And A method of filtering content according to a parameter definition of a broadcast data channel in a DMB network, comprising: a MOT object storing keywords of various contents. The method of claim 9, The MOT object may include: a header core field storing length and type information of each content; A MOT header extension field for storing keyword information about each content; And Content filtering method according to a parameter definition of a broadcast data channel in a DMB network, characterized in that the body field for storing a variety of data. The method of claim 10, The header core field may include: a body size field in which a body size is stored; A header size field in which a header size is stored; And A content filtering method according to a parameter definition of a broadcast data channel in a DMB network, wherein the content type field and a content subtype field are stored. The method of claim 10, The MOT header extension field may include a PLI field in which an entire length of a parameter is stored; A parameter ID field in which ID information of the parameter is stored; And Content filtering method according to the parameter definition of the broadcast data channel in the DMB network, characterized in that it comprises a data field storing the keyword of each content.

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