KR20080051360A - Local DMB broadcasting system and local broadcasting service method using the same - Google Patents

Abstract

A local DMB broadcasting system and a local broadcasting service method using the same are disclosed. The system includes a gap filler installed in a broadcast service area for outputting a broadcast signal at 10 Hz or less; And a DMB broadcasting center for generating the broadcast signal and providing the broadcast signal to the gap filler through a wired or wireless communication network.

Description

Local DMB broadcasting system and local broadcasting service method using same {LOCAL DMB BROADCASTING SYSTEM AND LOCAL BROADCASTING SERVICE METHOD USING THE SAME}

1 is a block diagram showing a local DMB broadcasting system according to an embodiment of the present invention.

2 is a flowchart illustrating an example of a local broadcast service method in a specific region using the system shown in FIG. 1.

3 to 4 are diagrams for describing the local broadcast service method illustrated in FIG. 2.

* Description of the symbols for the main parts of the drawings *

100: DMB broadcasting center 130: video encoder

140: audio encoder 150: data server

160: multiplexer 170: modulation / RF unit

200: gap filler 300: terminal

The present invention relates to a local DMB broadcasting system and a local broadcasting service method using the same. In particular, the present invention relates to a local DMB broadcasting system that broadcasts in small scale in association with a region with low broadcasting output and a local broadcasting service associated with a broadcasting region using the same. It is about a method.

Currently, satellite DMB has begun in May 2005 in Korea, and in December 2005, three other operators, including KBS, MBC, and SBS, are broadcasting terrestrial DMB. In particular, the terrestrial DMB is free of charge and the number of users is exploding due to the dissemination of terminals connected with mobile phones. However, such satellite or terrestrial DMB broadcasting has the advantage of being able to watch broadcasting while moving and using a program with a mobile terminal such as a mobile phone. However, the broadcast contents provided are the same as the existing broadcasting regardless of the user's location. There was a limit to its utility in providing it in a way. In addition, the satellite terrestrial DMB is licensed to use the frequency from the government, so the opportunity to participate in the new broadcast business is very limited.

Accordingly, the present invention was created in view of the above circumstances, and an object of the present invention is to provide a service in which a broadcast content can be closely related to a user's viewing position, without the government's permission to use a frequency. The present invention provides a DMB broadcasting system and a local broadcasting service method using the same.

According to a first aspect of the present invention, there is provided a local DMB broadcasting system comprising: a gap filler installed in a broadcast service area and configured to output a broadcast signal at 10 Hz or less; And a DMB broadcasting center for generating the broadcast signal and providing the broadcast signal to the gap filler through a wired or wireless communication network.

Preferably, the gap filler uses the channel of the terrestrial DMB system for the broadcast signal. Also preferably, the broadcast signal includes a callback number or a UEL.

According to the present invention, broadcasting with an output of 10 kHz or less does not require a license to use a frequency, and it is possible to provide a user with broadcasting contents associated with a viewing area by using a limited viewing area.

Local broadcast service method using a local DMB broadcasting system according to a second aspect of the present invention for realizing the above object is provided in each of the broadcast service areas, one or more gap fillers for outputting a broadcast signal at 10kHz or less, and A method of providing a local broadcast service using a local DMB broadcast system that generates the broadcast signal and includes a DMB broadcast center for providing the broadcast signal to each of the one or more gap fillers through a wired or wireless communication network. Generating broadcast programs corresponding to each of the broadcast service areas by combining service product information and broadcast content associated with each of the broadcast service areas; Providing each of the broadcast programs to the one or more gap fillers installed in each of the broadcast service areas; Broadcasting the broadcast programs to a corresponding region through the one or more gap fillers; When a viewer enters a region, receiving a broadcast of the region; And selecting the service product by selecting the received broadcast. Preferably, the service product information includes a callback number or a UEL.

According to the present invention, by providing various service information according to the broadcasting area by using the characteristics of the local broadcasting system limited in the broadcasting service area, it is possible to activate the sales efficiency of service products in the corresponding area more.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram illustrating a local DMB broadcasting system according to an embodiment of the present invention.

1, a local DMB broadcasting system according to an embodiment of the present invention is characterized by broadcasting at an output of 10 ms. The local DMB broadcast system preferably includes a DMB broadcast center 100 and at least one gap filler 200.

The DMB broadcasting center 100 processes a content or data to be broadcast and generates a broadcast signal. The DMB broadcasting center 100 propagates the generated broadcast signal to an output of 10 dB or less. Therefore, only the DMB terminals 300 located at a distance capable of receiving the output can enable the broadcast signal according to the present invention.

According to an embodiment, the local DMB broadcasting system according to the present invention may broadcast using the same channel as that of the terrestrial or satellite DMB system.

The gap filler 200 is installed in a shadow area of a low power DMB broadcast signal according to the present invention. The gap filler 200 may be installed in the shaded areas, respectively. Therefore, the local DMB broadcasting system according to the present invention is not limited by the number of gap fillers 200. The gap filler 200 is installed in a shaded area and retransmits the broadcast signal from the DMB broadcasting center 100 to the installed area.

The gap filler 200 receives and retransmits a broadcast signal from the DMB broadcast center 100, or alternatively, the broadcast signal from the DMB broadcast center 100 or another gap filler through a wired or wireless communication network. It may receive and transmit the received broadcast signal. If necessary, the gap filler 200 may receive broadcast data from the DMB broadcasting center 100, modulate the broadcast data into the broadcast signal, and transmit the broadcast data. Importantly, the gap filler 200 also transmits a broadcast signal with an output of 10 dB or less, as described above.

In addition to the above-described features, the greater advantage of the present invention is that the limited broadcast reception area provides information related to the area to the viewer. For example, the DMB broadcasting center generates broadcast signals (or data) corresponding to broadcast service areas of each of the plurality of gap fillers 200, and provides them to the corresponding gap fillers 200 so that the viewer is located in the area where the user is located. You can watch information related to.

According to an embodiment, the broadcast signal may include a callback number. By linking the callback number with the broadcast content, it is possible to provide an improved service to the viewer. In addition, the broadcast signal may include a UAL. By providing the URL, the viewer can directly access the related site.

Preferably, the DMB broadcasting system 100 includes a video encoder 130, an audio encoder 140, a data server 150, a multiplexer 160, and a modulation / RF unit 170.

The video encoder 130 compresses broadcast image data from the content source 110 in a predetermined manner, and provides the compressed image data to the multiplexer 160.

The audio encoder 140 compresses broadcast voice data from the content source 110 in a predetermined manner, and provides the compressed voice data to the multiplexer 160.

The data server 150 compresses broadcasting data such as a callback number or URL from a data source 180 or a user computer (not shown), and compresses the compressed data into the multiplexer 160. to provide.

The multiplexer 160 multiplexes data from the video encoder 130, the audio encoder 140, and the data server 150, and provides the multiplexed data to the modulation / RF unit 170.

Then, the modulation / RF unit 170 modulates the multiplexed broadcast data from the multiplexer 160 to generate the broadcast signal, and transmits the broadcast signal through an antenna.

2 is a flowchart illustrating an example of a local broadcast service method in a specific region using the system shown in FIG. 1.

3 to 4 are diagrams for describing the local broadcast service method illustrated in FIG. 2.

Referring to FIG. 2, the local broadcast service method using the local DMB broadcast system uses the above-described local DMB broadcast system.

That is, in the broadcast service method according to the present invention, in the broadcast center 100, one or more gap fillers for outputting a broadcast signal of 10 ㎽ or less described above are installed in each of the broadcast service areas, and generate the broadcast signal. And a DMB broadcasting center for providing the broadcast signal to each of the one or more gap fillers through a wired or wireless communication network.

First, in step S1, the broadcast center 100 combines the broadcast content from the content source 110 and the service product information and the broadcast content associated with each of the broadcast service areas from the data source 180 to broadcast the broadcast. The broadcast programs shown in FIG. 3 corresponding to each of the service areas are generated (S1).

Subsequently, in step S2, the broadcast center 100 provides the broadcast programs to the corresponding gap fillers 200 installed in the broadcast service areas, respectively, so that the corresponding broadcast programs are provided through the gap fillers 200, respectively. The broadcast is broadcasted to the corresponding area (S2).

When the viewer reaches a specific region, the viewer may receive a broadcast from a specific corresponding region. Therefore, when a viewer located in a specific area is watching a broadcast program of the corresponding area, and as shown in FIG. 4, a service product desired to be purchased is selected, the terminal 300 of the viewer is connected to the callback number linked to the program. Alternatively, according to the UAL, it is connected to a call center or a site that sells the corresponding service product through a voice communication network or a data communication network, so that information about the service product sold in the corresponding area can be obtained during broadcasting (S3). , S4).

According to the present invention, by providing various service information according to the broadcasting area by using the characteristics of the local broadcasting system limited in the broadcasting service area, it is possible to activate the sales efficiency of service products in the corresponding area more.

An example of such a local broadcast service may be a local broadcast service in a limited indoor space such as an outdoor limited area such as Everland and Seoul Grand Park, a department store, a theater, and Lotte World. Such local broadcasting services may be video services such as guidance, lost children, VOD, and the like, and there are data services such as product information, sales guidance, and location information. In addition, such services may be provided in the form of interactive services such as purchase of goods and purchase of theater tickets.

According to the above configuration, by broadcasting at an output of 10 kHz or less, no permission to use a frequency is required, and the user can provide broadcasting contents associated with a viewing area to a user by using a limited viewing area. Service information can be provided.

As described above, according to the above embodiment, it is possible to realize a local DMB broadcasting system that can participate in a broadcasting business without permission from the government to provide a service in which broadcasting contents are in close contact with a user viewing position. .

Although the present invention has been described in detail by the above embodiments, the present invention is not limited thereto, and variations and improvements can be made without departing from the ordinary knowledge of those skilled in the art.

Claims (5)

A gap filler installed in a broadcast service area and configured to output a broadcast signal at 10 GHz or less; And And a DMB broadcasting center for generating the broadcast signal and providing the broadcast signal to the gap filler through a wired or wireless communication network. The method of claim 1, wherein the DMB broadcasting center is A video encoder for compressing broadcast video data; An audio encoder for compressing broadcast voice data; A data server for compressing broadcasting data; A multiplexer for multiplexing data from the video encoder, the audio encoder, and the data server; And And a modulation / RF unit for generating the broadcast signal by modulating the multiplexed broadcast data from the multiplexer. The local DMB broadcasting system of claim 2, wherein the broadcasting data includes a callback number or a UAL. One or more gap fillers installed in each of the broadcast service areas for outputting a broadcast signal at 10 ms or less, and generating the broadcast signal, and providing the broadcast signal to each of the one or more gap fillers through a wired or wireless communication network. In the method for providing a local broadcast service using a local DMB broadcast system including a DMB broadcast center for Generating broadcast programs corresponding to each of the broadcast service areas by combining service product information and broadcast content associated with each of the broadcast service areas; Providing each of the broadcast programs to the one or more gap fillers installed in each of the broadcast service areas; Broadcasting the broadcast programs to a corresponding region through the one or more gap fillers; When a viewer enters a region, receiving a broadcast of the region; And And selecting a corresponding service product by selecting the received broadcast. 5. The method of claim 4, wherein the service product information includes a callback number or a UAL.

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