KR100590507B1 - Mobile Telecommunication System Capable of Receiving Broadcasting Service with Two-way Communication and Service Method Thereof - Google Patents

Abstract

The present invention relates to a mobile communication system and a service method having a broadcast receiving function capable of bidirectional communication, which enables a mobile program to participate in a broadcast program received from a broadcast system.

According to the present invention, a user can subscribe to or terminate a broadcast service using the mobile terminal 210, and receives a broadcast program from the broadcast system 260 to the mobile terminal 210 using over-the-air communication or a mobile communication network. It is characterized in that it is possible to directly participate in the broadcast program.

According to the present invention, it is possible to realize bidirectional communication in which a mobile communication terminal directly participates in a broadcast program while watching a broadcast.

Two-way communication, mobile terminal, broadcast reception, radio, television, airwaves, cable, satellite, internet, mobile communication system

Description

Mobile Telecommunication System Capable of Receiving Broadcasting Service with Two-way Communication and Service Method Thereof

1 is a configuration diagram schematically showing a configuration of a conventional broadcast service system;

2 is a block diagram schematically showing the configuration of a mobile communication system having a broadcast receiving function capable of bidirectional communication according to an embodiment of the present invention;

3 is a block diagram schematically illustrating an internal configuration of a mobile terminal;

4 is a flowchart illustrating a broadcast service subscription method in a mobile communication system according to an embodiment of the present invention;

5 is a flowchart illustrating a broadcast service method capable of bidirectional communication in a mobile communication system according to an embodiment of the present invention;

6 illustrates a submenu of a broadcast service in a mobile terminal;

7 is a diagram illustrating a screen in which a broadcast viewing menu is selected from a broadcast service menu.

<Description of Symbols for Main Parts of Drawings>

100: conventional broadcast service system 102: relay system

104: editorial unit 106: studio unit

108: satellite transmitter 110: satellite

112: satellite reception TV 114: terrestrial transmission unit

116: over-the-air reception TV 118: cable transmitter

120: cable reception TV 122: network transmitter

124: Internet 126: Client Computer

200: mobile communication system 210: mobile terminal

220: wireless base station 230: mobile communication switching center

232: HLR 234: VLR

240: BDS 250: CDS

260 broadcast system 262 information center

264 broadcasting center 266 transmission center

270: content provider 302: program memory

304: key input unit 306: LDC display unit

308: data storage unit 310: mode state storage unit

312: subscriber information storage unit 314: microprocessor

316: DSP 318: baseband converter

320: speaker 322: microphone

324: antenna 326: RF signal processing unit

328: broadcast receiver

The present invention relates to a mobile communication system having a broadcast receiving function capable of bidirectional communication and a service method thereof, and more particularly, to a broadcast capable of participating in a broadcast program received from a broadcasting system using a mobile communication terminal. A mobile communication system having a receiving function and a service method thereof.

In general, the broadcasting service (Broadcasting Service) is carried on the airwaves from the ground antenna to transmit the broadcast program, the broadcast program via a wired cable, the cable broadcast to transmit the broadcast program, the radio wave from the satellite There are satellite broadcasts that transmit broadcast programs.

1 is a configuration diagram schematically showing a configuration of a conventional broadcast service system.

The conventional broadcast service system 100 includes a relay system 102, an editing unit 104, a studio unit 106, a satellite transmitting unit 108, a broadcasting satellite 110, a satellite receiving TV 112, and a terrestrial transmitting unit 114. ), Over-the-air reception TV 116, cable transmitter 118, cable receiver TV 120, network transmitter 122, Internet 124, client computer 126, broadcast control system 130, and the like. Has a configuration.

The relay system 102 performs shooting to create a broadcast content, the editing unit 104 edits the recorded broadcast content, and the studio unit 106 captures a broadcast in a room equipped with a camera and a microphone.

The satellite transmitter 108 transmits the broadcast content to the broadcast satellite 110 as a wireless signal, and the broadcast satellite 110 relays the broadcast content received from the satellite transmitter 108 to each satellite receiver TV 112. . The satellite reception TV 112 outputs broadcast content received from the broadcast satellite 110 as an image and an audio signal.

The terrestrial transmitting unit 114 loads broadcast contents to airwaves using an antenna (not shown), and transmits the broadcast contents to the airwaves, and the airwave receiving TV 116 outputs the broadcast contents received through the airwaves as video and audio signals.

The cable transmitter 118 transmits the broadcast contents to the cable TV 120 through a coaxial cable or an optical cable, and the cable TV 120 receives the broadcast contents and outputs them as video and audio signals.

The network transmitter 122 converts the broadcast content to be transmitted into broadcast media data and transmits it to the Internet 124. The internet 124 transmits the broadcast media data received from the network transmitter 122 based on the request to the client computer 126. To pass). The client computer 126 displays the broadcast media data received through the Internet 124 as a video and sound through a media player.

The broadcast control system 130 creates and edits broadcast contents, and controls overall operations related to broadcast transmission, which transmits the edited broadcast contents using various media.

In the conventional broadcast service system 100 configured as described above, the broadcast control system 130 edits the broadcast contents created by the relay system 102 or the studio unit 106 through the editing unit 104 to create a broadcast program, and the broadcast program. The satellite receiver TV 112, the air receiver TV 116, the cable receiver TV through the satellite transmitter 108, the ground transmitter 114, the cable transmitter 118, and the network transmitter 122 in real time. (120), the client computer (126) and the like.

On the other hand, in recent years, wireless Internet broadcasting, which accesses a broadcast program providing site wirelessly and watches a broadcast by using a mobile communication terminal capable of performing communication while moving as a highly popular means of communication, has appeared.

However, broadcast services through satellites, airwaves, and cables, and wireless Internet broadcast services through wireless Internet are all unilateral types of broadcasts in which a viewer of a television or a user of a mobile communication terminal only receives a broadcast service provided by a broadcasting station. to be.

Accordingly, there is a demand for a bidirectional broadcast service capable of directly participating in a broadcast program while watching a broadcast, and in particular, a service for participating in a broadcast program while watching a broadcast using a mobile communication terminal having high popularity is required.

In order to solve the above problems and demands, the present invention provides a mobile communication system and a service method having a broadcast receiving function capable of bidirectional communication, which enables a mobile program to participate in a broadcast program received from a broadcast system. The purpose is to provide.

In order to achieve the above object, the present invention is a mobile communication system having a broadcast receiving function capable of receiving a broadcast program from a broadcast system and participating in the broadcast program using a mobile communication network, and receiving the broadcast program. A mobile terminal having a broadcast receiving module for selecting and receiving a broadcast channel to be watched among the broadcast programs, and participating in the broadcast program using the mobile communication network; A broadcasting system for subscribing or canceling the mobile terminal to a broadcast service based on subscriber information on the mobile terminal, and providing the broadcast program to the mobile terminal using the mobile communication network; A billing data collection distribution system for collecting billing data for a call generated through the mobile communication network and transmitting the billing data to the mobile communication network or the broadcasting system; And a customer information distribution system that collects subscriber information about the mobile terminal and transmits the subscriber information to the broadcasting system.

According to a second object of the present invention, there is provided a broadcast program from a broadcast system, the mobile terminal having a broadcast receiving function capable of bi-directional communication in which the broadcast program is engaged using a mobile communication network. A broadcast receiving unit receiving by using; A program memory configured to provide a submenu for the broadcast service and to store a program for performing a broadcast service corresponding to the submenu when a broadcast service menu is selected among a plurality of menus; A key input unit including a numeric key for inputting a number and a menu selection button for selecting a menu or inputting a command; An LCD display unit which displays an overall operating state of the mobile terminal, including a degree of use of power, reception strength of radio waves, a date and time, and displays video data among the broadcast programs; A data storage unit which serves as a data buffer during operation of the mobile terminal and stores the broadcast program; A mode state storage unit which stores a current operation mode of the mobile terminal selected by the key input unit as a state flag; A subscriber information storage unit storing registration information on a unique number of the mobile terminal; When the broadcast service menu is selected by the key input unit, the sub menu is output to the LCD display unit. When a specific broadcast channel is selected from the key input unit, the broadcast program received on the selected channel is converted into the video data and the audio data. A microprocessor which controls to separate and output and controls a process of generating and transmitting transmission message data for transmission as a radio signal when broadcast participation data is input from the key input unit; A digital signal processing processor performing an audio data processing function for encoding or decoding the audio data and performing an equalization function to remove noise of a multipath; A baseband conversion unit converting a signal transmitted and received with the mobile communication network into a baseband signal and performing digital-to-analog conversion and analog-digital conversion processing functions; A speaker for outputting an audio signal output from the baseband converter as an audible sound; A microphone for converting a user's voice input into the audio signal; An RF signal processing unit for converting and outputting a transmission message signal into an RF signal or converting the RF signal into a reception message signal and applying the same to the baseband converter; And an antenna configured to transmit the RF signal or to transmit the received RF signal to the RF signal processing unit.

According to a third object of the present invention, there is provided a broadcast program from a broadcast system, and a mobile communication system having a broadcast receiving function capable of bidirectional communication in which the broadcast program is engaged using a mobile communication network. And a broadcast receiving module for receiving the broadcast signal, requesting to subscribe or terminate the broadcast service through the mobile communication network, selecting and receiving a broadcast channel of the broadcast program, and receiving the broadcast channel using the mobile communication network. A mobile terminal participating in the program; Perform the subscription or termination of the mobile terminal for the broadcast service based on the subscriber information on the mobile terminal, provide the broadcast program to the mobile terminal using the over-the-air communication, and provide the mobile terminal with respect to the broadcast program. A broadcast system for receiving participation in the mobile communication network; A billing data collection distribution system configured to collect and distribute billing data for a call generated through the mobile communication network and transmit the billing data to the mobile communication network or the broadcasting system; And a customer information distribution system that collects subscriber information about the mobile terminal from the mobile communication network and transmits the subscriber information to the broadcasting system.

According to a fourth object of the present invention, a broadcast service method is provided in a mobile communication system which receives a broadcast program from a broadcast system and participates in the broadcast program using a mobile communication network, which is (a) from the broadcast system. Selecting a broadcast service menu to receive the broadcast program; (b) selecting a specific broadcast channel from the broadcast service menu to receive the broadcast program; (c) separating the broadcast program and outputting the video data and the audio data; (d) generating broadcast participation data; And (e) transmitting the broadcast participation data to the broadcast system via the mobile communication network.

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.

The broadcast service shown in the embodiment of the present invention provides a broadcast program prepared in a broadcast system to a mobile terminal using airwaves or a mobile communication network, and generates broadcast participation data that participates in the broadcast program while watching the broadcast program on the mobile terminal. Refers to a service transmitted to a broadcasting system through a mobile communication network. Here, the broadcast program may include video data and audio data, and broadcast participation data may be generated based on key input of a mobile terminal, or based on sound data input through a microphone.

2 is a block diagram schematically showing the configuration of a mobile communication system having a broadcast receiving function capable of bidirectional communication according to an embodiment of the present invention.

The mobile communication system 200 according to the present invention includes a mobile terminal 210, a wireless base station 220, a mobile communication switching center 230, an HLR 232, a VLR 234, a BDS 240, a CDS 250, It has a configuration including a broadcast system 260, a content provider 270 and the like.

The mobile terminal 210 includes a broadcast receiving module that can receive a broadcast program, and a user selects a broadcast receiving menu from a plurality of menus provided in the mobile terminal 210 and wants to watch among a plurality of broadcast channels. The terminal can select and watch a channel. Here, the broadcast receiving module provided in the mobile terminal 210 may be built-in or may be external.

The wireless base station 220 includes a base station transmission system (BTS) 222, a base station controller (BSC) 224, a repeater (Cell Enhancer), and the like.

Here, the base station transmitter 222 is disposed in units of cells and transmits a call request generated from the mobile terminal 210 to the mobile communication switching center 230 or exists in a cell area under its control ( Location registration to determine the location of the 210 is performed. The base station transmitter 222 may obtain information such as latitude and longitude at which the base station transmitter 222 is located from a global positioning system (GPS) (not shown), and transmits the position information of the base station transmitter 222 to the downlink call channel. The system parameter message is transmitted to the mobile terminal 210. The mobile terminal 210 may register new location information by calculating the moving distance of the mobile terminal 210 using the location information of the base station transmitter 222 of the cell to which the mobile terminal 210 belongs.

Location registration is a processing procedure that informs the mobile communication switching center 230 of the mobile terminal 210 via the base station transmitter 222 that governs the cell to which it belongs, the status, the status, the identifier, the slot period, and other features. When the base station transmitter 222 attempts to establish an incoming call to the mobile terminal 210, the base station transmitter 222 can effectively call the mobile terminal 210. The location registration of the mobile terminal 210 is performed when the power of the mobile terminal 210 is turned on or off, when the mobile terminal 210 moves between the mobile communication switching centers 230, and the parameters of the mobile terminal 210 are changed. It is done in case of change.

The base station controller 224 controls and manages a plurality of base stations, and performs various functions required for radio call processing such as handoff. The base station controller 224 also transmits subscriber information of the location registered mobile terminal 210 to the mobile communication switching center 230.

The mobile communication switching center 230 has a management function that enables the wireless base station 220 to operate efficiently and an interworking function with the switch of the public telephone network. When the mobile communication switching center 230 registers the location of the mobile terminal 210 through the wireless base station 220, the visitor location register (VLR) in the mobile communication switching center 230 is referred to as a 'VLR'. After temporarily storing the subscriber information of the mobile terminal 210 in the (234), and requests the location registration of the mobile terminal 210 to the Home Location Register (HLR: hereinafter referred to as 'HLR') 232 do.

Here, the HLR 232 is a database that stores a service profile regarding the subscriber information of the user of the mobile terminal 210, including a subscriber's telephone call, and a mobile identification number (MIN) of the mobile terminal 210. It has information about the Electronic Serial Number (ESN) and the type of service. The HLR 232 stores a subscriber information including information of the wireless base station 220 and the mobile switching center 230 in which the mobile terminal 210 is located. The mobile communication switching center 230 includes a control unit, a call path unit, and a peripheral device, and also has a charging data collection function for the mobile terminal 210.

The billing data collection and distribution system (BDS) 240 collects and distributes billing data for call data generated through the mobile switching center 230 and transmits it to the mobile switching center 230 or the broadcasting system 260. Billing data collection distribution system. Here, the call data also includes broadcast reception data received by the mobile terminal 210 through the mobile communication switching center 230 by requesting a call connection, and the charging data also includes a charge for using the broadcast reception service.

The customer data distribution system (CDS) 250 is a customer information distribution system that transmits information requested by a customer to the mobile terminal 210 through the mobile communication switching center 230, and transmits customer information subscribed to a broadcasting service. Also collected from the 230 may be transmitted to the broadcast system 260.

The broadcast system 260 provides a broadcast program to the mobile terminal 210 through airwaves or a mobile communication network, and receives broadcast participation data from the mobile terminal 210 via the mobile communication network. In addition, the subscription or termination of the broadcast service is performed on the basis of the customer information provided by the mobile communication switching center 230, and the charge for the use of the broadcast service is also performed on the basis of the charging data provided from the BDS (240).

The broadcast system 260 has a configuration including an information center 262, a broadcast center 264, a transmission center 266, and the like.

Here, the information center 262 manages subscriber information of subscribers who have subscribed to a broadcast service, and performs a function of receiving broadcast participation data from a subscribed mobile terminal 210 and transmitting it to the broadcast center 264. The broadcast center 264 creates a broadcast program, and the broadcast center 266 transmits the created broadcast program to the mobile terminal 210 or the television of the subscriber through airwaves, satellites, cables, the Internet, and a telecommunication network. Do this.

When the transmission center 266 provides a broadcast program to the mobile terminal 210, the broadcast center 266 may directly broadcast a broadcast program in a frequency band normally used by the mobile terminal 210, and the mobile terminal 210 may broadcast the broadcast program. When a separate broadcast receiving module is provided for receiving the broadcast program, the broadcast program is wirelessly transmitted in the frequency band used by the broadcast receiving module. In addition, the transmission center 266 is connected to the mobile telecommunication switching center 230 through a wired or cable to transmit a broadcast program to the mobile telecommunication switching center 230, whereby the mobile telecommunication switching center 230 uses a conventional communication scheme. You can also send a broadcast program.

The transmission center 266 may include a satellite transmitter for transmitting a broadcast program through a satellite, a terrestrial transmitter for transmitting a broadcast program over the airwaves, a cable transmitter for transmitting a broadcast program over a cable, and a broadcast program through the Internet. It also includes a network transmitter.

The content provider 270 refers to a company that provides content for a broadcast service. The broadcast center 264 may receive a content necessary for the production of a broadcast program from the content provider 270 to produce a broadcast program, or may produce a broadcast program based on data collected or edited by the broadcast center 264.

3 is a block diagram schematically illustrating an internal configuration of the mobile terminal 210.

The mobile terminal 210 according to the present invention includes a program memory 302, a key input unit 304, an LCD display unit 306, a data storage unit 308, a mode state storage unit 310, and a subscriber information storage unit 312. , Microprocessor 314, digital signal processor 316, baseband converter 318, speaker 320, microphone 322, antenna 324, RF signal processor 326, broadcast receiver 328, etc. It has a configuration including.

The program memory 302 stores communication protocol software that implements a function of performing a wireless telephone call and processes transmission / reception data in accordance with a predetermined protocol. In particular, when a broadcast service menu is selected by a user among a plurality of menus on the mobile terminal 210, a submenu such as service subscription, service cancellation, broadcast viewing, and the like for a broadcast service is provided. The program that executes is stored.

In the above, the broadcast service displays video data on the LCD display unit 306 for data containing a broadcast program received by the mobile terminal 210, outputs audio data to the speaker 320, and transmits broadcast participation data to an RF signal. Refers to a service transmitted as a wireless signal through the processing unit 326. Here, the broadcast participation data refers to data generated based on a voice input through a microphone for selecting a response to a quiz among the contents of the broadcast program or a question input.

The key input unit 304 includes a numeric key for inputting a number such as a telephone number and a menu selection button for selecting a menu or inputting a command. The LCD display unit 306 displays the overall operating state of the terminal, including the degree of use of the power supply, the reception strength of the radio wave, and the date and time. It also serves to display video data among broadcast programs.

The data storage unit 308 functions as a data buffer during the operation of the terminal and stores a broadcast program including audio data or video data. In addition, it stores numeric data input from the key input unit 304 or data received from the terminal from the outside. The mode state storage unit 310 stores the operation mode of the current terminal selected by the key input unit 304 as a state flag.

Subscriber Identity Module (SIM) 312 stores subscriber terminal registration information. Here, the subscriber station registration information is a unique number assigned to each subscriber station in the mobile communication network, and the subscriber information storage unit 312 is inserted in the form of a card. Since this is a general content used in a mobile communication network, a description thereof will be omitted.

The microprocessor 314 controls the operation of the terminal based on the state flag stored in the mode state storage unit 310. In particular, when the broadcast service menu is selected by the key input unit 304, the microprocessor 314 outputs sub-menus such as service subscription, service cancellation, and broadcast viewing for the broadcast service to the LCD display unit 106. When an arbitrary broadcast channel is selected from 304, the process of separating and outputting a broadcast program received through the corresponding channel into video data and audio data is controlled. In addition, the microprocessor 314 transmits the broadcast participation data from the key input unit 302 to the baseband converter 318 (TX DATA).

The DSP 316 performs an audio data processing function of encoding or decoding audio data SPEECH exchanged with the baseband converter 318 and an equalizing function to remove noise of a multipath. Digital signal processing processor to perform the. In addition, the DSP 316 receives the received message data RX DATA from the baseband converter 318.

The baseband converter 318 converts signals transmitted and received with the speaker 320, the microphone 322, and the RF signal processor 326 into baseband signals, and functions such as digital-to-analog conversion and analog-digital conversion processing. Do this. Accordingly, the baseband converter 318 converts the audio data received from the DSP 316 into an audio signal and outputs the audio signal to the speaker 320, or converts the audio signal input from the microphone 322 into audio data and converts the audio data into a DSP. 316).

In addition, the baseband converter 318 converts the transmission message data TX DATA input from the microprocessor 314 into a transmission message signal TXIQ and outputs it to the RF signal processor 326 or the RF signal processor 326. The received message signal RXIQ, which is inputted from the RXQ, is converted into the received message data RX DATA and output to the DSP 316. The baseband converter 318 automatically controls the gain of the power POWER of the RF signal processor 326 (AGC).

 The speaker 320 outputs an audio signal output from the baseband converter 318 as an audible sound, and the microphone 322 converts a user's voice input into an audio signal.

The RF signal processing unit 326 converts the transmission message signal into a radio frequency (RF) signal and outputs it to the antenna 324, or converts an RF signal applied from the antenna 324 into a reception message signal RXIQ and converts it into baseband. Output to section 318. The antenna 324 transmits an RF signal to the air or transmits an RF signal received from the air to the RF signal processor 326.

The broadcast receiving unit 328 converts an RF signal for a broadcast program input from the RF signal processing unit 326 into broadcast data, or converts the RF signal processing unit 326 according to a control signal CONTROL applied from the microprocessor 314. Function to control. Here, the control signal includes a control signal for setting the broadcast channel selected by the key input unit 304 among the plurality of broadcast channels.

An operation of a mobile communication system having a broadcast receiving function capable of bidirectional communication configured as described above will be described in detail with reference to FIG. 4.

4 is a flowchart illustrating a broadcast service subscription method in a mobile communication system according to an embodiment of the present invention.

First, the user operates the key input unit 304 in the mobile terminal 210 to select a broadcast service menu from among a plurality of menus.

When the broadcast service menu is selected from the key input unit 304, the microprocessor 314 displays the submenu for the broadcast service on the LCD display unit 306 as shown in FIG.

The user operates the key input unit 304 to subscribe to the broadcast service, and selects "1. Service Subscription" from the submenu for the broadcast service.

When there is a key input for the broadcast service subscription from the key input unit 304, the microprocessor 314 transmits the broadcast service subscription request data TX DATA to the baseband converter 318 and the baseband converter ( 318 converts the broadcast service subscription request data into a broadcast service subscription request signal TXIQ and transmits it to the RF signal processor 326. The RF signal processor 326 transmits the broadcast service subscription request signal TXIQ as a wireless signal through the antenna 324. In this case, the user may operate the key input unit 304 to apply for only some of the broadcast service subscriptions, for example, a news broadcast service, and in this case, the microprocessor 314 controls to transmit the news broadcast service request data as a wireless signal. do.

The radio signal of the broadcast service subscription request signal transmitted from the mobile terminal 210 is received by the radio base station 220 and transmitted to the mobile communication switching center 230.

The mobile communication switching center 230 broadcasts a service via the wireless base station 220 from the mobile terminal 210 in a waiting state for checking whether there is a call connection request signal from each wireless base station 220 for each wireless base station (S410). When the subscription request signal is received (S420), the subscriber information for the mobile terminal 210 is requested to the HLR 232 and the VLR 234 (S430).

The HLR 232 and the VLR 234 transmit the subscriber information including the location information of the mobile terminal 210 to the mobile switching center 230 according to the request of the mobile switching center 230.

When the mobile communication switching center 230 receives the subscriber information for the mobile terminal 210 from the HLR 232 and the VLR 234 (S440), the mobile communication switching center 230 based on the subscriber information of the received mobile terminal 210 (Call Detail) Record data is generated and transmitted to the broadcasting system 260 via the BDS 240 and the CDS 250 (S450). Here, the CDS 250 transmits the CDR data to the information center 262 of the broadcast system 260.

The information center 262 of the broadcasting system 260 subscribes to the broadcasting service by storing the terminal number of the mobile terminal 210, charging information for using the broadcasting service, and location information based on the CDR data received from the CDS 250. Run the registration.

Thereafter, the broadcast center 264 provides a broadcast service based on the subscriber information stored in the information center 262. As described above, the user of the mobile terminal 210 applies only a part of a service such as a news broadcast service. In this case, the limited reception service is provided to the mobile terminal 210.

In this case, the limited reception service stores the ID of the terminal in the subscriber list of the information center 262 according to the service contents requested by the mobile terminal 210, and transmits a broadcast program from the broadcasting center 264 to the information center ( On the basis of the service information of the mobile terminal 210 registered in 262, the encryption for the broadcast program is performed and converted into a broadcast signal for transmission. Therefore, the mobile terminal 210 receives a limited broadcast signal.

When the user of the mobile terminal 210 terminates the broadcast service, the same procedure as described above is performed, but the broadcast service request data is changed to the broadcast service cancellation data.

5 is a flowchart illustrating a broadcast service method capable of bidirectional communication in a mobile communication system according to an embodiment of the present invention.

The broadcast service according to the present invention may transmit a broadcast program to the mobile terminal 210 using the frequency band of the mobile communication network used by the mobile terminal 210 in the broadcast system 260.

In addition, the broadcast service according to the present invention does not use the frequency band of the mobile communication network, but provides a broadcast program from the broadcast system 260 to the mobile terminal 210 using a separate communication frequency band for the broadcast service, and moves The terminal 210 may perform bidirectional communication by participating in a broadcast program using a frequency band of the mobile communication network.

The broadcast system 260 generates a broadcast program in the broadcast center 264 based on the subscriber information in the information center 262 and the content provided from the content provider 270 and transmits the broadcast program through the broadcast center 266 as a broadcast signal. Will be done.

When a separate communication frequency is used between the mobile terminal 210 and the broadcast system 260, the broadcast system 260 directly transmits a broadcast signal to the mobile terminal 210. On the other hand, when using the communication frequency used by the mobile terminal 210, the broadcast system 260 transmits the broadcast signal to the mobile communication system 230. In this case, the mobile communication system 230 transmits the broadcast signal to the mobile terminal 210 as a wireless signal of the mobile communication network via the wireless base station 220.

On the other hand, the mobile terminal 210 performs a registration procedure for the wireless base station 220 that manages mobile communication in the current location.

The mobile terminal 210 determines the base station 322 to which it belongs and the frequency level it uses by searching and comparing the radio signals received by the antenna 324 while sequentially increasing or decreasing the demodulation frequency.

At this time, the mobile terminal 210 stores the control data for controlling the radio signal and the data on the frequency level to be used in the memory and sets the largest frequency level value to the demodulation frequency of the radio signal.

In addition, the mobile terminal 210 grasps information such as the frequency of use and power strength of the wireless base station 220 received from the base station 220 through the broadcast channel, and transmits its subscriber information (IMSI) to the wireless base station 220. The registration process is performed by sending it out.

When the registration procedure is completed, the mobile terminal 210 searches for an operation mode state set in the terminal and enters a standby state for controlling the operation of the terminal according to the set mode state (S510).

The mobile terminal 210 is normally set to a phone mode for a phone call, and controls the entire apparatus in an operation related to a phone mode based on the set phone mode. Here, although the mobile terminal 210 is in a telephone mode, the mobile terminal 210 may receive a broadcast signal transmitted from the broadcast system 260 or the wireless base station 220 through the antenna 324.

When the mobile terminal 210 is in the telephone mode, the user operates the key input unit 304 to select a broadcast service menu from among a plurality of menus, and then watches a broadcast as shown in FIG. 7 in a submenu of the broadcast service. Select the broadcast viewing menu.

When the broadcast viewing menu is selected from the key input unit 304 (S520), the microprocessor 314 switches the telephone mode set in the mode state storage unit 310 to the broadcast viewing mode, sets it, and then sets the broadcast receiving unit 328. In operation S530, the control signal CONTROL (Operation) is transmitted to the broadcast receiving unit 328. Accordingly, the broadcast receiver 328 controls the RF signal processor 326 so that the broadcast signal received through the antenna 324 and transmitted to the RF signal processor 326 is input to the broadcast receiver 328. The broadcast receiving unit 328 converts a broadcast signal into a broadcast program and applies it to the microprocessor 314.

In this case, when there is a selection of a broadcasting viewing menu from the key input unit 304, the microprocessor 314 may select a broadcasting channel menu such as "MBC", "KBS", and "CBS" so that the user can select a broadcasting channel to be watched. When the user selects "English Channel", the LCD display 306 provides a broadcast channel menu such as "," SBS "," News Channel ", and" English Channel ", and the microprocessor 314 selects" English Channel ". The control signal CONTROL, which receives a signal having a frequency band, is applied to the broadcast receiver 328. Accordingly, the broadcast receiving unit 328 may include the RF signal processing unit so that the broadcast signal of the frequency band included in the “English channel” among the broadcast signals received by the RF signal processing unit 326 through the antenna 324 is applied to the broadcast receiving unit 328. 328).

When the broadcast program is received from the broadcast receiving unit 328 (S540), the microprocessor 314 transmits the broadcast program to the LCD display unit 306 and to the DSP 316, thereby transmitting the broadcast program to the LCD display unit 306. The video data is displayed, and the DSP 316 outputs the audio data of the broadcast program to the speaker 320 through the baseband converter 318 (S550).

The user looks at the LCD display unit 306 of the mobile terminal 210 and listens to the sound output to the speaker 320 while watching a broadcast program received through the "English channel".

If the user presents a problem such as English conversation to the viewers in the broadcast program while presenting the broadcast program on the "English channel" and presents the answer in a multiple choice, the user inputs the key input unit 304. By performing the key input for the answer to the multiple-choice problem by operating the, the mobile terminal 210 performs the operation of participating in the broadcast service.

That is, the user executes a key input that participates in the broadcast program through the mobile terminal 210 while receiving the broadcast service through the mobile terminal 210.

If there is a key input for broadcast participation from the key input unit 210 (S560), the microprocessor 314 transmits the broadcast participation data generated according to the key input via the baseband converter 318 and the RF signal processor 326. The solution is transmitted as a radio signal of the mobile communication network (S570).

Here, the broadcast participation data may be not only key input data input through the key input unit 304 but also sound data of a user input through the microphone 322.

The radio signal carrying broadcast participation data transmitted from the mobile terminal 210 is transmitted to the mobile communication switching center 230 via the radio base station 220.

The mobile communication switching center 230 transmits the broadcast participation data transmitted from the wireless base station 220 to the broadcasting system 260 via the BDS 240 and the CDS 250.

The broadcast system 260 receives the broadcast participation data via the information center 262, determines whether the answer is correct for the subscriber of the mobile terminal 210, and if the correct answer is correct, the subscriber of the information center 262. Additional services such as point scores are applied to the information.

The broadcast system 260 charges a fee for using a broadcast service for the mobile terminal 210 once a month or for each broadcast service, and transmits the billing data to the mobile communication switching center 230 so that the mobile terminal ( When charging the communication fee for 210 may be charged together.

As such, the broadcast system 260 and the mobile terminal 210 participate in the broadcast service together with the broadcast service, thereby enabling bidirectional communication using the mobile communication network.

According to an embodiment of the present invention, a mobile communication terminal has a function of receiving a broadcast so as to subscribe or terminate a broadcast service through a mobile communication network, and to participate in a broadcast program received from a broadcast system through a mobile communication network. A mobile communication system having a broadcast receiving function capable of bidirectional communication and a service method thereof can be realized.

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, it is possible to realize bidirectional communication in which the mobile communication terminal directly participates in the broadcast program while watching the broadcast.

Claims (21)

A mobile communication system receiving a broadcast program from a broadcast system, and having a broadcast receiving function capable of bidirectional communication in which the broadcast program participates in the broadcast program, A mobile terminal having a broadcast receiving module for receiving the broadcast program, selecting and receiving a broadcast channel to be watched among the broadcast programs, and participating in the broadcast program using the mobile communication network; A broadcasting system for subscribing or canceling the mobile terminal to a broadcast service based on subscriber information on the mobile terminal, and providing the broadcast program to the mobile terminal using the mobile communication network; A billing data collection and distribution system (BDS), which collects billing data for a call generated through the mobile communication network and transmits the billing data to the mobile communication network or the broadcasting system; And Customer Data Distribution System (CDS) for collecting subscriber information about the mobile terminal and transmitting it to the broadcasting system Including, The broadcast system, An information center for managing subscriber information of subscribers subscribed to the broadcast service; A broadcast center receiving broadcast participation data from the mobile terminal and creating and editing broadcast contents to generate a broadcast program; And A transmission center for transmitting the broadcast program to the mobile terminal through the telecommunication network; A mobile communication system having a broadcast receiving function capable of bidirectional communication, comprising a. The method of claim 1, wherein the mobile communication network When the mobile communication network is managed to operate efficiently, the call connection request is processed from the mobile terminal, and request data for subscription or termination of the broadcast service is transmitted from the mobile terminal, a subscriber to the mobile terminal is received. A mobile communication switching center for transmitting information to the broadcasting system; A wireless base station that performs location registration with respect to the mobile terminal located in an area under its jurisdiction and performs transmission and reception of wireless signals and conversion and encryption / decryption of a communication protocol for the mobile terminal; A visitor location register (VLR) for temporarily storing subscriber information of the mobile terminal when location registration of the mobile terminal is performed; And A home location register that stores location information for the mobile terminal, and transmits the location information of the called mobile terminal obtained by requesting the called mobile communication switching station when a call connection request is generated from the mobile terminal. (HLR: Home Location Register) A mobile communication system having a broadcast receiving function capable of bidirectional communication, comprising a. delete The method of claim 1, wherein the mobile terminal A program memory configured to provide a submenu for the broadcast service and to store a program for performing a broadcast service corresponding to the submenu when a broadcast service menu is selected among a plurality of menus; A key input unit including a numeric key for inputting a number and a menu selection button for selecting a menu or inputting a command; An LCD display unit which displays an overall operating state of the mobile terminal, including a degree of use of power, reception strength of radio waves, a date and time, and displays video data among the broadcast programs; A data storage unit serving as a data buffer during operation of the mobile terminal and storing the broadcast program; A mode state storage unit which stores a current operation mode of the mobile terminal selected by the key input unit as a state flag; A subscriber information storage unit (SIM) storing registration information on a unique number of the mobile terminal; When the broadcast service menu is selected by the key input unit, the sub menu is output to the LCD display unit. When a specific broadcast channel is selected from the key input unit, the broadcast program received on the selected channel is converted into the video data and the audio data. A microprocessor which controls to separate and output and controls a process of generating and transmitting transmission message data for transmission as a radio signal when broadcast participation data is input from the key input unit; A digital signal processor (DSP) for performing an audio data processing function for encoding or decoding the audio data and performing an equalization function for removing noise of a multipath; A baseband conversion unit converting a signal transmitted and received with the mobile communication network into a baseband signal and performing digital-to-analog conversion and analog-digital conversion processing functions; A speaker for outputting an audio signal output from the baseband converter as an audible sound; A microphone for converting a user's voice input into the audio signal; An RF signal processing unit converting a transmission message signal into a radio frequency (RF) signal and outputting the RF signal or converting the RF signal into a reception message signal (RXIQ) and applying the same to the baseband converter; An antenna for transmitting the RF signal or transferring the received RF signal to the RF signal processor; And A broadcast receiver converting an RF signal for a broadcast program input from the RF signal processor into broadcast data or controlling the RF signal processor according to a control signal applied from the microprocessor A mobile communication system having a broadcast receiving function capable of bidirectional communication, comprising a. The method of claim 4, wherein The broadcast service displays the video data among the broadcast programs received by the mobile terminal on the LCD display unit, outputs the audio data to the speaker, and outputs the broadcast participation data input by the key input unit to the RF signal. A mobile communication system having a broadcast receiving function capable of bidirectional communication, characterized in that the transmission to the wireless signal through a processing unit. A mobile terminal provided with a broadcast program from a broadcast system, and having a broadcast receiving function capable of bidirectional communication in which the broadcast program participates in the broadcast program. A broadcast receiving unit which receives the broadcast program using over-the-air communication; A program memory configured to provide a submenu for the broadcast service and to store a program for performing a broadcast service corresponding to the submenu when a broadcast service menu is selected among a plurality of menus; A key input unit including a numeric key for inputting a number and a menu selection button for selecting a menu or inputting a command; An LCD display unit which displays an overall operating state of the mobile terminal, including a degree of use of power, reception strength of radio waves, a date and time, and displays video data among the broadcast programs; A data storage unit serving as a data buffer during operation of the mobile terminal and storing the broadcast program; A mode state storage unit which stores a current operation mode of the mobile terminal selected by the key input unit as a state flag; A subscriber information storage unit (SIM) storing registration information on a unique number of the mobile terminal; When the broadcast service menu is selected by the key input unit, the sub menu is output to the LCD display unit. When a specific broadcast channel is selected from the key input unit, the broadcast program received on the selected channel is converted into the video data and the audio data. A microprocessor which controls to separate and output and controls a process of generating and transmitting transmission message data for transmission as a radio signal when broadcast participation data is input from the key input unit; A digital signal processor (DSP) for performing an audio data processing function for encoding or decoding the audio data and performing an equalization function for removing noise of a multipath; A baseband conversion unit converting a signal transmitted and received with the mobile communication network into a baseband signal and performing digital-to-analog conversion and analog-digital conversion processing functions; A speaker for outputting an audio signal output from the baseband converter as an audible sound; A microphone for converting a user's voice input into the audio signal; An RF signal processing unit converting a transmission message signal into a radio frequency (RF) signal and outputting the RF signal or converting the RF signal into a reception message signal (RXIQ) and applying the same to the baseband converter; And An antenna that transmits the RF signal or delivers the received RF signal to the RF signal processor A mobile terminal having a broadcast receiving function capable of bidirectional communication, comprising a. The method of claim 6, The broadcast service displays the video data among the broadcast programs received by the mobile terminal on the LCD display unit, outputs the audio data to the speaker, and transmits the broadcast participation data to the wireless signal through the RF signal processor. A mobile terminal having a broadcast receiving function capable of bidirectional communication, characterized by transmitting. The method of claim 6, wherein the mobile communication network Manage the mobile communication network to operate efficiently, exchange and process a call connection request signal from the mobile terminal, and if request data for subscription or termination of the broadcast service is transmitted from the mobile terminal, A mobile communication switching center for transmitting subscriber information to the broadcasting system; A wireless base station that performs location registration with respect to the mobile terminal located in an area under its jurisdiction and performs transmission and reception of wireless signals and conversion and encryption / decryption of a communication protocol for the mobile terminal; A visitor location register (VLR) for temporarily storing subscriber information of the mobile terminal when location registration of the mobile terminal is performed; And A home location register that stores location information for the mobile terminal, and transmits the location information of the called mobile terminal obtained by requesting the called mobile communication switching station when a call connection request is generated from the mobile terminal. (HLR: Home Location Register) A mobile terminal having a broadcast receiving function capable of bidirectional communication, comprising a. The method of claim 6, wherein the broadcast system An information center for managing subscriber information of subscribers subscribed to the broadcast service; A broadcast center receiving the broadcast participation data from the mobile terminal and creating and editing broadcast contents to generate a broadcast program; And A transmission center for transmitting the broadcast program to the mobile terminal through the telecommunication network; A mobile terminal having a broadcast receiving function capable of bidirectional communication, comprising a. A mobile communication system receiving a broadcast program from a broadcast system, and having a broadcast receiving function capable of bidirectional communication in which the broadcast program participates in the broadcast program, A broadcast receiving module for receiving the broadcast program by using over-the-air communication, requesting subscription or termination of the broadcast service through the mobile communication network, selecting and receiving a broadcast channel to be watched among the broadcast programs, and A mobile terminal participating in the broadcast program using a mobile communication network; Perform the subscription or termination of the mobile terminal for the broadcast service based on the subscriber information on the mobile terminal, provide the broadcast program to the mobile terminal using the over-the-air communication, and provide the mobile terminal with respect to the broadcast program. A broadcast system for receiving participation in the mobile communication network; A billing data collection and distribution system (BDS) that collects and distributes billing data for a call generated through the mobile communication network and transmits the billing data to the mobile communication network or the broadcasting system; And Customer Data Distribution System (CDS), which collects subscriber information about the mobile terminal from the mobile communication network and transmits the subscriber information to the broadcasting system. Including, The broadcast system, An information center for managing subscriber information of subscribers subscribed to the broadcast service; A broadcast center receiving broadcast participation data from the mobile terminal and creating and editing broadcast contents to generate the broadcast program; And A transmission center for transmitting the broadcast program to the mobile terminal through the over-the-air communication A mobile communication system having a broadcast receiving function capable of bidirectional communication, comprising a. The method of claim 10, wherein the mobile communication network Manages the mobile communication network to operate efficiently, exchanges a call connection request signal from the mobile terminal, and transmits the request data for subscription or termination of the broadcast service from the mobile terminal. A mobile communication switching station transmitting subscriber information for a terminal to the broadcasting system; A wireless base station that performs location registration with respect to the mobile terminal located in an area under its jurisdiction and performs transmission and reception of wireless signals and conversion and encryption / decryption of a communication protocol for the mobile terminal; A visitor location register (VLR) for temporarily storing subscriber information of the mobile terminal when location registration of the mobile terminal is performed; And A home location register that stores location information for the mobile terminal, and transmits the location information of the called mobile terminal obtained by requesting the called mobile communication switching station when a call connection request is generated from the mobile terminal. (HLR: Home Location Register) A mobile communication system having a broadcast receiving function capable of bidirectional communication, comprising a. delete The method of claim 10, wherein the mobile terminal A broadcast receiving unit which receives the broadcast program using the over-the-air communication; A program memory configured to provide a submenu for the broadcast service and to store a program for performing a broadcast service corresponding to the submenu when a broadcast service menu is selected among a plurality of menus; A key input unit including a numeric key for inputting a number and a menu selection button for selecting a menu or inputting a command; An LCD display unit which displays an overall operating state of the mobile terminal, including a degree of use of power, reception strength of radio waves, a date and time, and displays video data among the broadcast programs; A data storage unit serving as a data buffer during operation of the mobile terminal and storing the broadcast program; A mode state storage unit which stores a current operation mode of the mobile terminal selected by the key input unit as a state flag; A subscriber information storage unit (SIM) storing registration information on a unique number of the mobile terminal; When the broadcast service menu is selected by the key input unit, the sub menu is output to the LCD display unit. When a specific broadcast channel is selected from the key input unit, the broadcast program received on the selected channel is converted into the video data and the audio data. A microprocessor which controls to separate and output and controls a process of generating and transmitting transmission message data for transmission as a radio signal when broadcast participation data is input from the key input unit; A digital signal processor (DSP) for performing an audio data processing function for encoding or decoding the audio data and performing an equalization function for removing noise of a multipath; A baseband conversion unit converting a signal transmitted to and received from the mobile communication network into a baseband signal and performing a digital-analog conversion and an analog-digital conversion processing function; A speaker for outputting an audio signal output from the baseband converter as an audible sound; A microphone for converting a user's voice input into the audio signal; An RF signal processing unit converting a transmission message signal into a radio frequency (RF) signal and outputting the RF signal or converting the RF signal into a reception message signal (RXIQ) and applying the same to the baseband converter; And An antenna that transmits the RF signal or delivers the received RF signal to the RF signal processor A mobile communication system having a broadcast receiving function capable of bidirectional communication, comprising a. The method of claim 13, The broadcast service displays the video data among the broadcast programs received by the mobile terminal on the LCD display unit, outputs the audio data to the speaker, and outputs the broadcast participation data input by the key input unit to the RF signal. A mobile communication system having a broadcast receiving function capable of bidirectional communication, characterized in that the transmission to the wireless signal through a processing unit. A broadcast service method that receives a broadcast program from a broadcast system and enables bidirectional communication in a mobile communication system participating in a broadcast program using a mobile communication network, (a) selecting a broadcast service menu to receive the broadcast program from the broadcast system; (b) selecting a specific broadcast channel from the broadcast service menu to receive the broadcast program; (c) separating the broadcast program and outputting the video data and the audio data; (d) generating broadcast participation data; (e) transmitting the broadcast participation data to the broadcast system via the mobile communication network; And (f) in the broadcasting system, when the broadcasting participation data is received from the mobile terminal, generating and editing the broadcasting contents reflecting the broadcasting participation data to generate the broadcasting program. Broadcast service method capable of bidirectional communication in a mobile communication system comprising a. The method of claim 15, The broadcast service is a broadcast service method capable of bidirectional communication in a mobile communication system, characterized in that for displaying the video data of the broadcast program, the audio data and the audio output, and the broadcast participation data to transmit the radio signal. The method of claim 15, And in the step (b), receive the broadcast program from the broadcast system using airwave communication. The method of claim 15, And in the step (b), receive the broadcast program from the broadcast system using a mobile communication network. The method of claim 15, In the step (e), the broadcast participation data is a broadcast service method capable of bidirectional communication in a mobile communication system, characterized in that the mobile terminal is input through a key input unit. The method of claim 15, In the step (e), the broadcast participation data is a broadcast service method capable of bidirectional communication in a mobile communication system, characterized in that the user's voice is input through a microphone in the mobile terminal. The method of claim 15, In the step (b), in the state that the mobile terminal is subscribed to the broadcast service through the mobile communication network, the broadcast service method capable of two-way communication in the mobile communication system, characterized in that receiving the broadcast program to the mobile communication network. .

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