KR20070070865A - Method and mobile telecommunication terminal for sharing preferance broadcasting content in digital multimedia broadcasting environment - Google Patents

Abstract

A method for sharing preferred broadcast contents in a DMB(Digital Multimedia Broadcasting) environment and a mobile terminal are provided to enable a mobile terminal to select a channel of broadcast contents by using broadcast information and reproduce the broadcast contents when a user finds the broadcast contents desired to be shared so he/she transmits a certain message including the broadcast information. A key input unit(200) includes a button for requesting generation of a certain message including broadcast information while watching broadcast contents. A display unit(202) reproduces the broadcast contents provided from a channel selected by the broadcast information. A program storage unit(204) generates the certain message and transmits it to a recipient terminal. When the certain message is received, the program storage unit(204) extracts the broadcast information and automatically selects a channel. The program storage unit(204) includes a broadcast channel monitoring program. A DMB tuner unit(224) selects the channel for providing the broadcast contents. An MPEG decoding unit(222) performs down-converting and low noise amplifying on the broadcast contents, and decodes it by broadcast MPEG(Moving Picture Experts Group) standards. An A/V switch unit(220) converts the decoded broadcast contents into video data and audio data. A microprocessor(206) controls the generating and extracting operation of the broadcast information and controls the DMB tuner unit(224) by using the extracted broadcast information.

Description

Method and Mobile Telecommunication Terminal for Sharing Preferance Broadcasting Content in Digital Multimedia Broadcasting Environment}

1 is a diagram schematically illustrating a mobile communication system providing a conventional DMB;

2 is a diagram briefly illustrating an internal configuration of a mobile communication terminal sharing preferred broadcast contents in a DMB environment according to an embodiment of the present invention;

3 is a flowchart illustrating a process of sharing a preferred broadcast content in a DMB broadcasting environment according to an exemplary embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

100: DMB broadcasting center 102: DMB transmitting end

104: DMB receiving end 106: mobile communication network

108: wireless access network 110: mobile communication terminal

200: key input unit 202: display unit

204: program storage unit 206: microprocessor

208: digital signal processing unit 210: baseband conversion unit

212: RF signal processor 214: speaker

216: microphone 218: antenna

220: A / V switch section 222: MPEG decoder

224: DMB broadcast tuner unit 226: DMB antenna

The present invention relates to a method and mobile communication terminal for sharing preferred broadcast content in a DM environment. More specifically, when a user wants to share the currently broadcasted content with the counterpart user while viewing a digital multimedia broadcasting (DMB) using a mobile communication terminal, the counterpart user moves. A method for sharing preferred broadcast content in a DM environment and sharing a broadcast content with a counterpart user by transmitting a predetermined message including information on broadcast content currently being viewed to a communication terminal, and a mobile communication terminal. It is about.

DMB refers to a broadcasting service that digitally modulates various multimedia data such as video data and audio data and provides the same to a fixed terminal or a portable terminal. That is, a mobile communication terminal or a mobile terminal including a mobile phone, PDA (Personal Digital Assistants), a notebook, etc., can provide a high quality and high quality broadcasting such as CD (Compact Disc) or DVD (Digital Versatile Disc). it means. Unlike conventional analog broadcasting, DMB is provided in combination with a mobile communication network.

1 is a diagram schematically illustrating a mobile communication system providing a conventional DMB.

The conventional mobile communication system providing a DMB includes a DMB broadcasting center 100, a DMB transmitting terminal 102, a DMB receiving terminal 104, a mobile communication network 106, a wireless access network 108, and a mobile communication terminal 110. do.

The DMB broadcasting center 100 receives broadcast contents from a program provider (PP), compresses and modulates them into digital signals, and transmits them to the DMB receiving terminal 104 through the DMB transmitting terminal 102 through the Ku-Band band. It refers to software that performs a role and hardware to combine with it. The broadcast content transmitted from the DMB broadcasting center 100 is transmitted from the DMB transmitting terminal 102 to the DMB receiving terminal 104 through an air interface. The air interface through which the broadcast content is transmitted is composed of a video channel, an audio channel, and a data channel. Video data of the broadcast content is transmitted through the video channel, and audio data is transmitted through the audio channel. Meanwhile, additional information about broadcast content is transmitted through the data channel.

The DMB receiver 104 refers to software for transmitting broadcast content from the DMB transmitter 102 to the mobile communication terminal 110 via the mobile communication network 106 and hardware coupled thereto. The DMB receiver 104 includes a gap filler (not shown), which is a shadow area repeater, receives broadcast content through an air interface, and transmits the received broadcast content to the mobile communication network 106.

The mobile communication network 106 is a telephone exchange network operated by a mobile communication service provider and moves broadcast content transmitted through the DMB receiving end 104 to a set of communication facilities that provide voice calls or data exchange services to an unspecified number of subscribers through an exchange station. Means software relaying to the communication terminal 110 and hardware coupled thereto. The mobile communication network 106 performs basic and additional service processing, incoming and outgoing call processing of subscribers, location registration and handoff procedure processing, interworking with other networks, and broadcast contents transmitted through the DMB receiving end 104. It performs a function such as relay to the terminal 110. The mobile communication network 106 of the IS-95 A / B / C system includes an Interconnection Network Subsystem (INS) that performs distributed call processing, a Central Control Subsystem (CCS) that performs centralization of operation and maintenance, and mobile communication. It includes a subsystem, such as a Location Registration Subsystem (RLS) that performs storage and management of information for subscribers. In addition, the mobile communication network 106 for the third and fourth generations may include an Asynchronous Transfer Mode (ATM) switch (not shown). The ATM switch increases the transmission speed and the efficiency of line use by transmitting packets on a cell basis. .

The wireless access network 108 is a network termination device that is directly connected to the mobile communication terminal 100 by performing baseband signal processing, wired / wireless conversion, and transmitting / receiving a wireless signal. Each of the wireless access networks 108 is arranged in units of cells. Software for transmitting a call request generated in the communication terminal 100 to the mobile communication network 106 or for relaying broadcast content transmitted from the DMB broadcasting center 100 through the mobile communication network 106 to the mobile communication terminal 110, and the like. Means hardware to combine. The wireless access network 108 transmits a call request of the mobile communication terminal 110 to the mobile communication network 106 or registers location information for determining the location of the mobile communication terminal 110 existing in the cell area under its control. do.

The mobile communication terminal 110 includes a PDA (Personal Digital Assistant) equipped with a tuner unit capable of receiving broadcast contents transmitted from the DMB broadcasting center 100, a cellular phone, a personal communication service (PCS) phone, and a global system (GSM). for Mobile (W Mobile) phone, Wideband CDMA (W-CDMA) phone, CDMA-2000 phone, Mobile Broadband System (MBS) phone and the like. That is, the mobile communication terminal 110 not only performs voice call and data communication with the other party through the mobile communication network 106, but also receives broadcast content transmitted from the DMB broadcasting center 100 and reproduces the received broadcast content. .

Conventionally, there is a broadcast content that a user prefers in the process of viewing a DMB using the mobile communication terminal 100, and the following method is used to share and watch with a counterpart user other than the user. After the user requests a call with the counterpart user using the mobile communication terminal 100, the counterpart user provides mobile terminal information by providing information on the broadcast content, for example, title information of the broadcast content and channel information on which the broadcast content is provided. After selecting a channel that provides the broadcast content using the terminal, the terminal is encouraged to watch the broadcast content. However, this conventional method has the following problems. The other party's user must receive information on the broadcast content to share the view through a call with the user, and then operate a key input unit provided in the mobile communication terminal to select a channel in which the broadcast content exists. There was a hassle to share.

In order to solve the above-mentioned problems, the present invention, when the user wants to share the broadcast content that is currently broadcast with the counterpart user in the process of viewing the DMB using the mobile communication terminal, the present invention as the mobile terminal of the counterpart user To provide a method and a mobile communication terminal for sharing the preferred broadcast content in a DM environment to share the broadcast content with the other user by transmitting a predetermined message including information on the broadcast content that you are watching There is a purpose.

Accordingly, according to a first object of the present invention, a digital multimedia broadcasting (DMB) is provided, but when there is broadcast content to share a view, a channel having the broadcast content exists. A mobile communication terminal for sharing preferred broadcast content in a DMB environment, which automatically plays back the broadcast content after being tuned in. The mobile communication terminal includes a button for requesting generation of a predetermined message including broadcast information while viewing the broadcast content. One key input unit; A display unit for reproducing the broadcast content provided in the channel tuned according to the broadcast information; The predetermined message is generated and transmitted to a receiving-side mobile communication terminal, and after receiving the predetermined message, the broadcasting information is extracted and the channel is automatically tuned, and a broadcasting channel monitoring program for reproducing the broadcasting contents is mounted. A program storage unit; A DMB tuner unit for selecting a channel for providing the broadcast content; An MPEG decoder which performs down-modulation and low noise amplification on the broadcast content provided from the DMB broadcasting center and then decodes the broadcast content according to the MPEG standard for broadcasting; An A / V switch unit for converting the broadcast content decoded through the MPEG decoder into video data and audio data capable of outputting video and audio; And a microprocessor controlling the operation of generating or extracting the broadcast information by driving the broadcast channel monitoring program, and controlling the DMB tuner by using the extracted broadcast information. Provides a mobile communication terminal for sharing content.

According to a second object of the present invention, a digital multimedia broadcasting (DMB: digital multimedia broadcasting, hereinafter referred to as 'DMB') is provided, and if there is a broadcast content to share the view, the channel having the broadcast content is present. A method of sharing preferred broadcast content in a DMB environment, wherein the broadcast content is automatically selected and then played back, the method comprising the steps of: (a) generating, by the transmitting mobile terminal, broadcast information about the broadcast content; (b) transmitting a predetermined message including the broadcast information to a receiving mobile communication terminal; And (c) the receiving-side mobile communication terminal playing the broadcast content using the predetermined message.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

2 is a diagram briefly illustrating an internal configuration of a mobile communication terminal sharing preferred broadcast contents in a DMB environment according to an exemplary embodiment of the present invention.

An internal configuration of a mobile communication terminal sharing preferred broadcast contents in a DMB environment according to an exemplary embodiment of the present invention may include a key input unit 200, a display unit 202, a program storage unit 204, a microprocessor 206, Digital signal processor 208, baseband converter 210, RF signal processor 212, speaker 214, microphone 216, antenna 218, A / V switch unit 220, MPEG decoder ( 222, a DMB tuner unit 224, a DMB antenna 226, and the like.

Brief description of the main features of the present invention. The mobile communication terminal generates a predetermined message including broadcast information and transmits the same to the mobile communication terminal of the counterpart user, extracts the broadcasting information included in the predetermined message, and automatically broadcasts the view to be shared according to the extracted broadcasting information After selecting a channel in which content exists, the main feature is to allow broadcast content to be played back. Here, the broadcast information refers to information including title information of broadcast content to be shared with the viewer, channel information provided with the broadcast content, video data edited from the broadcast content, and the like. In addition, the predetermined message refers to a message in the form of an SMS (Short Message Service) or a message in the form of an MMS (Multimedia Message Service).

In other words, according to the present invention, if the user has a preferred broadcasting content in the process of watching the DMB, and he / she wants to share the broadcasting content viewing with the counterpart user, the user broadcasts to the mobile communication terminal of the counterpart user through the mobile terminal. A predetermined message including information is generated and transmitted. At this time, the mobile communication terminal of the counterpart user extracts broadcast information from the transmitted predetermined message, and automatically tunes to a channel provided with broadcast content to share a view using the extracted broadcast information to play the broadcast content. There are key features.

In the following process, for convenience of description, the mobile terminal of the user and the mobile terminal of the counterpart user generate and transmit a predetermined message including broadcast information, extract broadcast information from the predetermined message, and extract the extracted broadcast information. An application that automatically tunes a channel in which broadcast content to share viewing is provided and then plays broadcast content is defined as a broadcast channel monitoring program.

The key input unit 200 includes a number key for inputting a number such as a telephone number, a button for inputting a character, a menu selection button, and a special key for easily accessing the wireless Internet. In addition, when the user wants to share a view with the counterpart user while watching the broadcast content, the user operates the key input unit 200 to drive a broadcast channel monitoring program, and the broadcast content to share the view through the driven broadcast channel monitoring program. The request for generating a predetermined message including broadcast information about the.

The display unit 202 displays an operation state of the mobile communication terminal, including a power supply state, a radio wave reception intensity, a date and time, and reproduces broadcast content to share viewing.

The program storage unit 204 includes an electrically erasable programmable read-only memory (EEPROM), a flash memory, a random access memory (RAM), or the like, which is easy to read and write, and includes an internal circuit board of a mobile communication terminal (not shown). Mounted on the The flash memory includes a real time operating system (OS), a broadcast channel monitoring program, and the like, which are loaded and driven into RAM. The EEPROM stores NAM (Number Assignment Module) parameters and other data for storage, such as telephone numbers, names, SMS messages, MMS messages, and the like.

Here, the broadcast channel monitoring program monitors the broadcast content transmitted from the DMB broadcast center 100, and generates a predetermined message including broadcast information if there is broadcast content that the user wants to share the viewing with. Transmitting the predetermined message to the mobile communication terminal of the counterpart user in the form of SMS or MMS; extracting broadcasting information included in the transmitted predetermined message; It refers to software to be performed, including playing a broadcast content after tuning.

The microprocessor 206 generates and transmits a predetermined message including broadcast information about broadcast content to be shared with the viewer to the mobile communication terminal of the counterpart user, and extracts and broadcasts the broadcast information included in the predetermined message. Play the broadcast content to share the content, that is, control the DMB broadcast tuner unit 224 according to the extracted broadcast information to automatically tune the channel on which the broadcast content to share the view is broadcast, the tuned channel Decode the broadcast content transmitted through the MPEG decoder 222, and after separating the video data and audio data included in the broadcast content in the A / V switch unit 220, the video data through the display unit 202 The audio data is played back through the speaker 214.

The digital signal processor (DSP) 208 is a digital signal processing processor that codes or decodes a voice signal, functions as an equalizer for removing multipath noise, and performs an acoustic data processing function. In addition, the digital signal processor 208 exchanges speech data with the baseband converter 210 and receives digital data RX DATA from the baseband converter 210.

The baseband converter 210 converts a signal transmitted and received between the RF signal processor 212 and the digital signal processor 208, the speaker 214, and the microphone 216 into a baseband band signal, and converts the digital-analog signal. (DAC: Digital to Analog Conversion) and Analog to Digital Conversion (ADC). The baseband converter 210 transmits the transmission data TXIQ to the RF signal processor 212, and controls the power of the RF signal processor 212 or automatically controls its gain (AGC). In addition, the RF signal processor 212 receives the received signal RXIQ.

The RF signal processor 212 demodulates and amplifies an RF signal received from the antenna 218, modulates a transmission signal applied from the baseband converter 210, and transmits the modulated signal to the propagation space. The speaker 214 outputs sound data transmitted from the baseband converter 210 as an audible sound, and the microphone 216 converts a user's voice input into an electrical signal.

The DMB tuner 224 receives the broadcast content provided through the DMB broadcast center 100 through the DMB antenna 226 and transmits the broadcast content to be watched by the user's channel to the MPEG decoder 222. . The DMB tuner 224 performs down modulation and low noise amplification of the broadcast content received through the video channel, the audio channel, and the data channel into a signal of 1 GHz band, and then transmits it to the MPEG decoder 222.

The MPEG decoder 222 decodes the broadcast content received from the DMB tuner 224 according to the MPEG standard for broadcasting. That is, the A / V switch unit 220 decodes the video data included in the video channel, the audio data included in the audio channel, and the broadcast information data included in the data channel, and decodes the decoded video data, the audio data, and the broadcast information data. To send.

The A / V switch unit 220 separates the video data and audio data decoded by the MPEG decoder 222 into an A / V (Audio / Video) signal capable of video output and audio output, and then the microprocessor 206. To send.

3 is a flowchart illustrating a process of sharing a preferred broadcast content in a DMB broadcasting environment according to an exemplary embodiment of the present invention.

For convenience of description in the following description, a user requesting generation of a predetermined message including broadcast information about broadcast content to share viewing is defined as a sender user, and the mobile communication terminal possessed by the sender user is moved to the sender side. It is defined as a communication terminal device. In addition, a mobile communication terminal that receives a predetermined message including broadcast information transmitted from a transmitting mobile communication terminal and uses the same to play a broadcast content to share a viewing is defined as a receiving mobile communication terminal. A user possessing a mobile communication terminal is defined as a receiving user.

The user of the transmitting side starts the viewing of the broadcast content provided through the DMB broadcasting center 100 by manipulating the key input unit 200 provided in the mobile communication terminal (S300). If there is broadcast content to be shared with the receiver user among the broadcast contents provided by the transmitter user, the key input unit 200 is operated to request the broadcast channel monitoring program to be driven (S302). The broadcast channel monitoring program mounted on the transmitting mobile terminal generates broadcast information on the broadcast content currently being viewed by the transmitting user (S304).

Then, when the sender user designates the counterpart user who wants to transmit the broadcast information generated using the sender mobile communication terminal, that is, the receiver user (for example, the phone number of the receiver user in the address book stored in the sender mobile communication terminal). (S306), the transmitting mobile terminal transmits a predetermined message including the generated broadcast information to the receiving mobile terminal as an SMS message or an MMS message (S308).

After step S308, the receiving-side mobile communication terminal of the receiving-side user drives the mounted broadcast channel monitoring program to extract broadcast information included in a predetermined message (S310). The receiving mobile terminal controls the DMB broadcast tuner 226 using the extracted broadcast information to select a channel on which broadcast content to share a view is broadcasted (S312). Here, the broadcast channel monitoring program mounted on the mobile terminal of the receiving side selects a channel that provides broadcast content that matches the title information among the channels provided by the DMB broadcasting center 100 by using the title information included in the broadcast information. Channel for providing a broadcast content including the corresponding video data information by using a channel information included in the broadcast information to tune into a channel in which the broadcast content to share a view exists, or using video data information edited in the broadcast content. Tune in.

After step S312, the receiving-side mobile communication terminal plays back broadcast content to share viewing through the tuned channel (S314).

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

As described above, according to the present invention, if there is broadcast content to be shared with the viewer, the mobile communication terminal uses the broadcast information to transmit a channel in which the broadcast content exists only by transmitting a predetermined message including broadcast information. Since the user selects a channel and plays the broadcast content, the user does not have to tune a channel in which the broadcast content that the user wants to share the viewing by operating a key input unit hassle with.

Claims (10)

Digital Multimedia Broadcasting (DMB) is provided, and when there is broadcast content to share the view, the channel automatically exists in the channel where the broadcast content exists and plays the broadcast content. In the mobile communication terminal sharing the preferred broadcast content in the DMB environment, A key input unit including a button for requesting generation of a predetermined message including broadcast information while watching the broadcast content; A display unit for reproducing the broadcast content provided in the channel tuned according to the broadcast information; The predetermined message is generated and transmitted to a receiving-side mobile communication terminal, and after receiving the predetermined message, the broadcasting information is extracted and the channel is automatically tuned, and a broadcasting channel monitoring program for reproducing the broadcasting contents is mounted. A program storage unit; A DMB tuner unit for selecting a channel for providing the broadcast content; An MPEG decoder which performs down-modulation and low noise amplification on the broadcast content provided from the DMB broadcasting center and then decodes the broadcast content according to the MPEG standard for broadcasting; An A / V switch unit for converting the broadcast content decoded through the MPEG decoder into video data and audio data capable of outputting video and audio; And A microprocessor which controls the operation of generating or extracting the broadcast information by driving the broadcast channel monitoring program, and controls the DMB tuner by using the extracted broadcast information. Mobile communication terminal for sharing the preferred broadcast content in the DMB environment, characterized in that it comprises a. The method of claim 1, The broadcast information may include title information of the broadcast content to be shared with the viewer, channel information provided with the broadcast content, and video data information edited in the broadcast content. Mobile communication terminal. The method of claim 1, The mobile communication terminal transmits the predetermined message as a message in the form of a short message service (SMS) or a message in the form of a multimedia message service (MMS). A mobile communication terminal sharing preferred broadcast content in a DMB environment. The method of claim 1, The microprocessor uses the broadcast information to control the DMB tuner to tune a channel for providing the broadcast content and to control a process of playing the broadcast content. Sharing mobile terminal. Digital Multimedia Broadcasting (DMB) is provided, and when there is broadcast content to share the view, the channel automatically exists in the channel where the broadcast content exists and plays the broadcast content. In a method for sharing preferred broadcast content in a DMB environment, (a) generating, by the transmitting mobile terminal, broadcast information about the broadcast content; (b) transmitting a predetermined message including the broadcast information to a receiving mobile communication terminal; And (c) the receiving mobile terminal playing the broadcast content using the predetermined message; How to share the preferred broadcast content in the DMB environment, characterized in that it comprises a. The method of claim 5, wherein in step (a), And the broadcast information includes title information of the broadcast content being viewed, channel information for providing the broadcast content, and video data information edited in the broadcast content. The method of claim 5, wherein step (b) (b1) transmitting the predetermined message to the receiving mobile communication terminal as a short message service (SMS) type message; And (b2) transmitting the predetermined message to the receiving mobile terminal as a message in a multimedia message service (MMS) format; How to share the preferred broadcast content in the DMB environment, characterized in that performing any one or more of. The method of claim 5, wherein step (c) (c1) reproducing the broadcast content by controlling a DMB tuner unit provided after extracting channel information of the broadcast content from the broadcast information included in the predetermined message; How to share the preferred broadcast content in the DMB environment, characterized in that it comprises a. The method of claim 5, wherein step (c) (c2) extracting title information of the broadcast content from the broadcast information included in the predetermined message, and tuning the channel corresponding to the title information to play the broadcast content; How to share the preferred broadcast content in the DMB environment, characterized in that it comprises a. The method of claim 5, wherein step (c) (c2) reproducing the broadcast content by selecting a channel for transmitting video data of the broadcast content edited from the broadcast information included in the predetermined message. How to share the preferred broadcast content in the DMB environment, characterized in that it comprises a.

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