KR100640834B1 - System for servicing digital multimedia broadcasting and method for recording mobile digital multimedia broadcasting using the same - Google Patents

Abstract

A digital multimedia broadcasting service system and a method for recording digital multimedia broadcasting by using the same are provided to record broadcasting at a video device installed at a fixed place when a user watches broadcasting on a DMB device at the outside to watch the broadcasting later, and record standard definition broadcasting at a high definition level. Identification information and channel information of a DMB(Digital Multimedia Broadcasting) device which is receiving DMB are transmitted to a server managing the DMB device(S100-S110). The server managing the DMB device transmits the identification information of the DMB device and information of a channel which the DMB device is receiving to a cable broadcasting provider server. The cable broadcasting provider server requests to record the broadcasting channel which the DMB device is receiving through a cable head-end transmitting cable broadcasting to an identification number of a video device. The cable head-end transmits a recording start message of the broadcasting channel which the DMB device is receiving(S130). The video device records the cable broadcasting of the broadcasting channel which the DMB device is receiving.

Description

Mobile multimedia broadcasting service system and mobile multimedia broadcasting recording method using the same {System for servicing Digital Multimedia Broadcasting and method for recording Mobile Digital Multimedia Broadcasting using the same}

1 is a diagram for explaining a mobile multimedia broadcasting service system according to the present invention.

2 is a flowchart illustrating a mobile multimedia broadcasting recording method according to the first embodiment of the present invention.

3 is a flowchart for explaining a mobile multimedia broadcasting recording method according to a second embodiment of the present invention.

4 is a flowchart for explaining a mobile multimedia broadcasting recording method according to a third embodiment of the present invention.

* Explanation of symbols for main parts of drawings *

100: video device 110, 120: tuner

130: data processing unit 131: demodulation unit

132: A / D conversion unit 133: demultiplexer

134: decoding unit 140: storage unit

141: first storage unit 142: second storage unit

150: display unit 160: audio output unit

170: control unit 200: cable head end (distribution system)

300: cable broadcasting operator server 400: DMB operator server

500: mobile communication network 600: mobile communication network server

700: repeater 800: DMB device

The present invention relates to mobile multimedia broadcasting (DMB), and more particularly to a mobile multimedia broadcasting service system and a mobile multimedia broadcasting recording method using the same, suitable for recording a mobile multimedia broadcasting being received by a DMB device to a video device. It is about.

Electronic devices are used in various ways in modern people, and video equipment such as TVs is becoming a necessity especially in homes.

In the early days, video devices such as TVs only watched a few broadcasts, but are now used as a tool for obtaining various information through dozens and hundreds of broadcasts.

Recently, a DMB service capable of receiving broadcasts while moving is being implemented.

DMB is a new concept of mobile multimedia broadcasting service in which broadcasting and communication are converged. Digital DMB provides sound quality, data, and video services of CD level through personal terminals such as mobile phones, PDAs, and vehicle terminals while moving or in a fixed place. It is a broadcast service. DMB service is characterized by multi-channel and high sound quality, and will provide a variety of information of high quality sound.

DMB is divided into 'terrestrial DMB' and 'satellite DMB' according to the method and network configuration, and terrestrial DMB will be provided free like terrestrial broadcasting (KBS, MBC, SBS), and satellite DMB is provided for pay broadcasting like SKY LIFE. Will be.

DAB is a technology similar to DMB. The digital service of audio and simple text information has been spreading in Europe, Canada such as Germany, Sweden and Spain since 1995 in the UK.

Korea has been preparing to introduce DAB as a digital conversion method of radio since 1997. It was developed by applying DAB's recently developed technology and strengthening the multimedia providing ability such as video, and it was newly assigned to highlight these differences. This is DMB.

Such DMB has the advantage of wide selection because there are various channels. It consists of about 15 CD quality audio broadcasting, 6 ~ 7 necessary video channels, and various data information broadcasting. have.

In addition, since it is possible to receive mobile, you can use it anywhere, anytime, anywhere in the car, at home, on the go, or while traveling.It also shows the title or article of music as subtitles or photos, news, weather, stocks. The advantage is that you can always receive the same information. You can get traffic reports while driving, and get directions.

The type of audio service aimed at such DMB is CD-level stereo broadcasting, and the video service quality is SD level. Based on this, you can watch videos with higher quality than the current analog TV without any high quality music broadcasting and sports screens that contain a lot of information such as soccer or baseball on the go.

However, in order to receive DMB service, it cannot be received by existing radio, TV, or mobile phone. To enjoy DMB service, a separate DMB receiver must be provided.

In general, a vehicle terminal attached to a car, a mobile phone, a portable terminal combined with a PDA, and a PC-type terminal combined with a personal PC will be released, and a DMB dedicated terminal for DMB service will also be released.

However, the DMB service has the following problems.

First, it was not possible to record and view the video on a DMB device from a video device installed in a fixed place such as at home.

Second, when entering a random reception area such as a tunnel, you may not see the broadcast.

Third, the storage capacity of a portable device is too large to record a broadcast like a PVR.

The present invention is to solve the above problems, an object of the present invention is to provide a mobile multimedia broadcasting service system and a mobile multimedia broadcasting recording method using the same that can automatically record the broadcast being received using the DMB device To provide.

Another object of the present invention is to provide a mobile multimedia broadcasting service system capable of recording a broadcast being received using a DMB device to a video device according to a user's request, and a mobile multimedia broadcasting recording method using the same.

In order to achieve the above object, the present invention provides a DMB device for receiving mobile multimedia broadcasting (DMB), a communication network for providing the DMB broadcasting service to the DMB device, and whether the DMB device receives the DMB broadcasting to a DMB provider server. A DMB service provider for requesting recording of a broadcasting channel received by the DMB device to a cable network service provider server that manages a communication network server and a video device that matches the DMB device when the DMB device is currently broadcasting from the network server. A server, a cable broadcasting service provider server for generating a broadcast recording request message of the broadcast channel requested from the DMB service provider server to the video apparatus, and providing cable broadcasting to the video equipment, wherein the cable broadcasting service provider server requests the cable broadcasting service. A cable headend for transmitting a broadcast recording request message to the video apparatus; And a video device for recording a broadcast program of a broadcast channel being received by the DMB device according to the requested broadcast recording request message.

The video apparatus may include a first tuner for tuning a digital broadcast channel, a second tuner for receiving an out of band channel for receiving data such as various kinds of information, and data for processing the digital broadcast data. A processing unit, the digital broadcasting data, a storage unit for recording a broadcast channel program being received by the DMB device, broadcast data received through the first tuner and the second tuner, and various data other than broadcast data are displayed and processed. It is preferably configured to include a control unit for processing to be output to the unit and the voice output unit or stored in the storage unit.

Preferably, the cable headend transmits the cable headend to the second tuner through an out-of-band band channel when the broadcast recording request message is transmitted.

In addition, the communication network preferably comprises a repeater for relaying the DMB broadcast to the DMB device, at least one of a mobile communication network including a base station and a DMB dedicated network.

Preferably, at least one of the DMB service provider server or the cable broadcasting service provider server stores a video device identification number corresponding to the ID number of the DMB device.

The DMB device preferably has a menu function for requesting the DMB operator server to start recording the received mobile multimedia broadcast through the communication network and the communication network server.

The present invention for achieving the above object is the step of transmitting the identification information and viewing channel information of the DMB device receiving the mobile multimedia broadcasting (DMB) to the server managing the DMB device, and managing the DMB device A server transmitting the DMB device identification number and channel information being viewed by the DMB device to a cable broadcasting company server; and a cable headend through which the cable broadcasting company server transmits cable broadcasting to the identification number of the video apparatus. Requesting recording of a broadcast channel being received at the DMB device, transmitting a recording start message of a broadcast channel being received at the DMB device from the cable headend to the video device, and at the video device, the DMB device; Recording the cable broadcast of the broadcast channel being received by It provides a mobile multimedia broadcast recording method using the mobile multimedia broadcasting service system of.

The location information of the DMB device is preferably transmitted from a communication network server providing the DMB broadcast to a server managing the DMB device.

When the DMB device ends reception of the mobile multimedia broadcasting, it is preferable to transmit a recording end message to the video device.

In addition, the cable head end preferably transmits the recording start message to the video apparatus using an out-of-band band channel.

In order to achieve the above object, the present invention provides a DMB device with an identification number of the DMB device and information on a broadcast channel currently received by the DMB device when a recording start command is requested from a DMB device receiving mobile multimedia broadcasting (DMB). Transmitting the DMB device identification number and the channel information being watched by the DMB device to a cable broadcasting company server by the server managing the DMB device; Requesting to start recording of a broadcast channel being received by the DMB device through a cable headend transmitting a cable broadcast to the identification number of the video device; and broadcasting being received by the DMB device from the cable headend to the video device. Transmitting a recording start message of a channel; It is preferable to include the step of starting the cable broadcast recording of the broadcast channel being broadcast.

If a recording end command is requested from the DMB device receiving the mobile multimedia broadcasting (DMB), transmitting the identification number of the DMB device and the broadcasting channel information currently received by the DMB device to a server managing the DMB device; Transmitting, by the server managing the DMB device, the DMB device identification number and the channel information being viewed by the DMB device to the cable broadcaster server; and the cable broadcaster server broadcasting the cable to the identification number of the video device. Requesting termination of recording of a broadcast channel being received by the DMB device through a cable headend transmitting a signal; and transmitting a recording end message of a broadcast channel being received by the DMB device from the cable headend to the video device. And recording of the cable broadcast of the broadcast channel being recorded by the video apparatus. Preferably further comprising the step of.

Other objects, features and advantages of the present invention will become apparent from the following detailed description of embodiments taken in conjunction with the accompanying drawings.

Hereinafter, a mobile multimedia broadcasting service system and a mobile multimedia broadcasting recording method using the same according to the present invention will be described with reference to the accompanying drawings.

1 is a view for explaining a mobile multimedia broadcasting service system according to the present invention.

The mobile multimedia broadcasting service system according to the present invention includes a video device 100, a cable head end 200, a cable broadcasting service provider server 300, a DMB service provider server 400, a mobile communication network 500, and a mobile communication network server ( 600), a repeater 700, and a DMB device 800.

Here, the video device 100 is a video (recording) device capable of recording as well as receiving digital broadcasts.

The cable head end 200 is a transmission system for transmitting a cable broadcast to the video device.

The cable broadcasting company server 300 performs management (service authentication, billing, etc.) of each cable broadcasting subscriber. In addition, according to a request from the DMB service provider server 400, a broadcast recording request message for an arbitrary channel is generated through the cable head end 200 to the second tuner 120 of the video apparatus 100. For this purpose, the identification number of the DMB device and the identification number (ID) of the video device are matched and managed.

The DMB provider server 400 performs management (service authentication, billing, etc.) of each DMB subscriber. In addition, according to the DMB broadcast reception state of the DMB device 800 provided from the mobile communication network server 600, the DMB device requests to record the broadcast being received by the video device 100 matching the DMB device. To this end, identification numbers (IDs) of the DMB device and the video device are matched and managed. In addition, the current broadcast channel information of the DMB device receiving the current DMB broadcast among the DMB devices is periodically updated or changed when the channel is changed. In this case, only one server of the cable broadcaster server 300 and the DMB broadcaster server 400 may match and manage identification numbers (IDs) of the DMB device and the receiver.

The mobile communication network server 600 performs management (service authentication, billing, etc.) of each mobile communication subscriber. In addition, the mobile communication network server 600 provides the current broadcast reception state of the DMB device 800 to the DMB service provider server 400 through the DMB service provider server 400.

Of course, when the DMB operator performs the DMB service through its own network (DMB dedicated network) rather than the mobile communication network, the mobile communication network 500 will be a DMB communication network, and a connection with the mobile communication network server 600 may not be necessary.

The mobile communication network 500 provides a DMB broadcasting relay service as well as a mobile communication service.

Gap filler 700 relays a DMB broadcast service in a shadow area or the like.

The DMB device 800 is a terminal capable of receiving DMB broadcasting, and is a bidirectional terminal capable of transmitting broadcast recording start and end messages to the DMB service provider server 400 through a mobile communication network.

The video apparatus 100 includes a first tuner 110 and a second tuner 120, a data processor 130, a storage 140, a display 150, an audio output 160, and a controller. It consists of 170.

The first tuner 110 is a basic tuner of the video device 100 for tuning a digital broadcast channel, and the second tuner 120 receives an out of band channel for receiving data such as various information. Tuner to play.

The data processor 130 includes a demodulator 131, an A / D converter 132, a demultiplexer 133, and a decoder 134 to process digital broadcast data.

The storage unit 140 is a configuration for storing digital broadcast data. For example, the storage unit 140 may be configured as a hard disk (HDD). The storage unit 140 stores general broadcast data in the first storage unit 141 and the second storage unit. 142 stores the DMB broadcast data requested by the DMB device user. Of course, it can be configured as a storage unit and used as appropriate.

The display unit 150 and the audio output unit 160 output various kinds of images and audio.

The controller 170 tunes the broadcast data received through the first tuner 110 and the second tuner 120, or processes various data other than the broadcast data to output to the display 150 and the voice output unit 160. To control or store in the storage 140.

In the present invention as described above, the video device identification numbers corresponding to the ID numbers of the respective DMB devices are tabled in the DMB service provider server 400 and / or the cable broadcast service provider server 300.

When the DMB service provider server 400 transmits identification information of the DMB device and receiving channel information according to the broadcast reception state (whether DMB service) of the DMB device receiving the broadcast from the mobile communication network server 600, the received broadcast channel The information is transmitted to the cable broadcasting company server 300 together with the identification information of the DMB device, and requests broadcasting recording.

Then, the cable broadcasting service provider server 300 refers to the identification information of the video device that matches the identification information of the DMB device, and connects the DMB device to the second tuner 120 of the corresponding video device 100 through the cable head end 200. Generates a message requesting the recording of the current broadcast program that was being received by the controller, and detects it in the control unit 170 of the video apparatus 100 to record the broadcast program in the second storage unit 142 of the storage unit 140. .

2 is a flowchart illustrating a mobile multimedia broadcasting recording method according to the first embodiment of the present invention.

In the first embodiment of the present invention, a method of automatically recording a DMB broadcast received by a DMB device in a video device will be described.

In the mobile multimedia broadcasting recording method according to the first embodiment of the present invention, when a user of a DMB device is receiving a DMB broadcast by using a DMB device (S100), the mobile communication network server is a DMB service provider server, which provides channel information on which the DMB device is currently watching. It is transmitted with the DMB identification number (S110).

The DMB service provider server transmits the identification number of the DMB device, the identification number of the corresponding video device, and the viewing channel information to the cable broadcaster server, and the cable broadcasting server identifies the video device (TV SET) corresponding to the DMB device identification number. Search for the number (S120). Of course, when receiving the identification number of the video device directly from the DMB provider server, the search process can be omitted.

Subsequently, the cable broadcasting server transmits the viewing channel information and the recording start message (Start_Recording Message) to the corresponding video device through the cable headend (OOB) channel (S130).

Accordingly, the video device records the broadcast of the corresponding channel (S140). At this time, even if the user is watching in the SD level according to the characteristics of the DMB device, the video device can record in the HD level according to the image quality of the cable broadcasting.

The mobile communication network server determines whether the DMB device has finished watching (S150).

As a result of the determination (S150), when the viewing is finished, the transmission is transmitted to the DMB service provider server, and the DMB service provider server requests the cable broadcasting service provider to terminate the broadcast recording in the video device according to the broadcast termination of the corresponding DMB device. Accordingly, the cable broadcasting service provider server transmits a recording end message to the corresponding video device through the cable head end (S160).

Accordingly, the video device ends recording of the broadcast (S170).

At this time, according to the first embodiment of the present invention, when the DMB service provider server 400 shares the video device identification number information matching the cable service provider server 300 and the DMB device, the cable service provider does not go through the DMB service provider server 400. It will be easy for those skilled in the art to be able to request the start of recording and the end of recording immediately from the server or mobile network server.

3 is a flowchart illustrating a mobile multimedia broadcasting recording method according to a second embodiment of the present invention.

In the mobile multimedia broadcasting recording method according to the second embodiment of the present invention, the mobile multimedia broadcasting recording method according to the first embodiment of the present invention comprises the steps of determining whether a channel is switched while a user is receiving a broadcast using a DMB device (S200); If switched, the channel switching information is transmitted (S210), and accordingly, a step (S220) of recording a broadcast of the switched channel is added.

4 is a flowchart for explaining a mobile multimedia broadcasting recording method according to a third embodiment of the present invention.

In the mobile multimedia broadcasting recording method according to the third embodiment of the present invention, the user directly starts and ends recording of a broadcast being received through the DMB device.

In the mobile multimedia broadcasting recording method according to the third embodiment of the present invention, whether the user inputs a recording start command for recording the currently received broadcast through the menu function of the DMB device while receiving a broadcast using the DMB device (S300). It is determined (S310). In other words, the menu function of the DMB device allows the user to select 'start recording' while receiving a broadcast.

As a result of determination (S310), if the recording start command is input, the mobile communication network server transmits the identification number of the corresponding DMB device and the channel information being viewed on the corresponding DMB device to the DMB service provider server, and the received DMB service provider server identifies the DMB device. The number, the identification number of the corresponding video device and the viewing channel information are transmitted to the cable broadcasting company server, and the cable broadcasting service provider server searches for the video device (TV SET) identification number corresponding to the DMB device identification number (S320). Of course, when receiving the identification number of the video device directly from the DMB provider server, the search process can be omitted.

Subsequently, the cable broadcasting server transmits the viewing channel information and the recording start message (Start_Recording Message) to the video device corresponding to the identification number retrieved through the cable headend (OOB) channel (S330).

Accordingly, the video device records the broadcast of the corresponding channel (S340). At this time, even if the user is watching in the SD level according to the characteristics of the DMB device, the video device can record in the HD level.

The mobile communication network server determines whether the DMB device has finished watching (S350).

As a result of the determination (S350), when the viewing is finished, the transmission is transmitted to the DMB service provider server, and the DMB service provider server requests the cable broadcasting service provider to terminate the broadcast recording in the video device according to the broadcast termination of the corresponding DMB device. Accordingly, the cable broadcasting service provider server transmits a recording end message to the corresponding video device through the cable head end (S360).

Accordingly, the video device ends recording of the broadcast (S370).

The above-described mobile multimedia broadcasting service system and mobile multimedia broadcasting recording method using the same have the following effects.

First, while watching a broadcast from a DMB device from the outside, it can be recorded separately from a video device installed in a fixed place such as a home and viewed separately later.

Second, due to the nature of DMB devices, it is possible to watch high-definition broadcasts that were provided in SD level later.

Third, broadcasts that have not been seen can be seen especially when DMB devices enter the random reception area such as tunnels.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the present invention.

Therefore, the technical scope of the present invention should not be limited to the contents described in the embodiments, but should be defined by the claims.

Claims (12)

A DMB device for receiving mobile multimedia broadcasting (DMB); A communication network providing the DMB broadcasting service to the DMB device; A communication network server providing the DMB service server with or not receiving the DMB broadcast from the DMB device; A DMB service provider server for requesting recording of a broadcast channel being received by the DMB device to a cable broadcasting service provider server managing a video device that matches the DMB device when the DMB device is currently broadcasting from the communication network server; A cable broadcasting service provider server for generating a broadcast recording request message of the broadcasting channel requested from the DMB service provider server to the video apparatus; A cable head end providing a cable broadcast to the video device and transmitting the broadcast recording request message requested from the cable broadcaster server to the video device; And a video device for recording a broadcast program of a broadcast channel being received by the DMB device according to the requested broadcast recording request message. The method of claim 1, The video device, A first tuner for tuning a digital broadcast channel; A second tuner for receiving an out-of-band channel for receiving data such as various kinds of information; A data processor for processing the digital broadcast data; A storage unit for recording the digital broadcast data and a broadcast channel program being received by the DMB device; And a controller configured to process broadcast data received through the first tuner and the second tuner, and to process various data other than broadcast data to be output to the display unit and the audio output unit or to store the stored data in the storage unit. Mobile multimedia broadcasting service system. The method of claim 2, And the cable headend transmits the cable headend to the second tuner through an out-of-band band channel when transmitting the broadcast recording request message. The method of claim 1, The communication network includes a repeater for relaying the DMB broadcast to the DMB device, and a mobile multimedia broadcasting service system comprising at least one of a mobile communication network including a base station and a DMB dedicated network. The method of claim 1, And a video device identification number matching the identification number of the DMB device is stored in one or more of the DMB service provider server or the cable broadcasting service provider server. The method of claim 1, And the DMB device has a menu function for requesting the DMB operator server to start recording of the received mobile multimedia broadcast through the communication network and the communication network server. Transmitting identification information and viewing channel information of a DMB device receiving mobile multimedia broadcasting (DMB) to a server managing the DMB device; Transmitting, by the server managing the DMB device, the DMB device identification number and the channel information watched by the DMB device to a cable broadcasting company server; Requesting, by the cable broadcasting provider server, to record a broadcast channel being received by the DMB device through a cable headend that transmits cable broadcasting to an identification number of the video apparatus; Transmitting a recording start message of a broadcast channel being received by the DMB device from the cable headend to the video device; And recording the cable broadcast of the broadcast channel being received by the DMB device in the video device. The method of claim 7, wherein The location information of the DMB device is a mobile multimedia broadcasting recording method using a mobile multimedia broadcasting service system, characterized in that for transmitting from the communication network server providing the DMB broadcasting server to manage the DMB device. The method of claim 8, And transmitting the recording end message to the video device when the DMB device finishes the reception of the mobile multimedia broadcasting. The method of claim 7, wherein The cable head end is a mobile multimedia broadcasting recording method using a mobile multimedia broadcasting service system, characterized in that for transmitting the recording start message using the out-band band channel to the video device. When a recording start command is requested from a DMB device receiving mobile multimedia broadcasting (DMB), transmitting an identification number of the DMB device and broadcast channel information currently received by the DMB device to a server managing the DMB device; Transmitting, by the server managing the DMB device, the DMB device identification number and the channel information watched by the DMB device to a cable broadcasting company server; Requesting, by the cable broadcaster server, to start recording of a broadcast channel being received by the DMB device through a cable headend that transmits cable broadcast to an identification number of the video device; Transmitting a recording start message of a broadcast channel being received by the DMB device from the cable headend to the video device; And starting the cable broadcast recording of the broadcast channel being received by the DMB device in the video device. The method of claim 11, Transmitting an identification number of the DMB device and broadcasting channel information currently received by the DMB device to a server managing the DMB device when a recording end command is requested from the DMB device receiving the mobile multimedia broadcasting (DMB); Transmitting the DMB device identification number and channel information that the DMB device is watching from the server managing the DMB device to the cable broadcaster server; Requesting, by the cable broadcasting service provider server, recording of a broadcasting channel being received by the DMB device through a cable headend that transmits cable broadcasting to an identification number of the video apparatus; Transmitting a recording end message of a broadcast channel being received by the DMB device from the cable headend to the video device; And ending the recording of the cable broadcast of the broadcast channel being recorded by the video apparatus.

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