KR100530860B1 - Live tv service providing method for mobile terminal and the service system using the same - Google Patents

Abstract

A method of providing a live TV service for a mobile terminal that supports a channel change similar to an offline TV by downloading and executing a dedicated player program without using a WAP (Wireless Application Protocol) menu on the user's mobile terminal and using the same. A service method is disclosed. The method for providing a live TV service for a mobile terminal according to the present invention is a method for providing a live TV service for a mobile terminal, which receives a live broadcast signal broadcast in real time, encodes in real time, and provides encoded TV data for each channel. When a protocol based on the first communication protocol and a protocol for unilaterally transmitting data on the sender's side without going through a signaling procedure for receiving or receiving information, and a second communication protocol, (a) the user may use a live TV service. Requesting the identification of whether or not a predetermined dedicated player program is installed in the user's mobile terminal, and if not installed, transmitting the predetermined dedicated player program; (b) driving the predetermined dedicated player program from the user; Of the desired channel Accepting the selection; (c) connecting a network and creating and registering a first communication protocol / second communication protocol socket; and (d) sending information and channel information of the mobile terminal through the first communication protocol socket. Transmitting and receiving, (e) parsing server information to receive TV content provided in real time through a second communication protocol socket, and (f) identifying whether buffering is completed and not performing buffering. If identified continue to receive the second communication protocol data through the second communication protocol socket and if it is identified that buffering is complete, performing playback in the buffer; (g) identifying whether a channel change request has been received; Stop receiving the current channel and branching to step (d), and (i) accepting the channel change request. If it not characterized by including the step of connecting the holding and transmitting the alive signal indicating that is normally received through the first communication protocol socket.

Description

Live TV service providing method for mobile terminal and live TV service providing system for mobile terminal using the same {Live tv service providing method for mobile terminal and the service system using the same}

The present invention relates to a method for providing a live TV service in a mobile terminal and a system for providing a live TV service for a mobile terminal, and more particularly, by downloading and executing a dedicated player program without using a WAP menu in a user's mobile terminal. The present invention relates to a live TV service providing method for a mobile terminal that supports channel changes similar to an offline TV, and a live TV service providing system for a mobile terminal using the same.

As the spread of mobile terminals such as mobile phones and personal digital assistants (PDAs) expands, the development of various contents that can be used in these mobile terminals is also expanding. In particular, while the performance of the central processing unit, that is, the Central Processing Unit (CPU) provided in the mobile terminal is rapidly improved, it also provides TV (TV: TeleVision) content.

In a conventional mobile terminal, a method for providing a service such as TV broadcasting generally uses a WAP menu driven by a WAP (Wireless Application Protocol) server based on the World Wide Web model. However, in the above service method, it is common to exit from the current channel and reconnect to another channel in order to enjoy another channel while watching one channel.

However, the conventional method of providing a TV service in a mobile terminal has a problem in that users who are used to offline TV broadcasts feel inconvenient to use, and even when a channel is changed, one channel is released from another channel. There are many problems in order to smoothly provide a TV broadcast service, such as being charged in the process of re-connecting to the network.

The present invention has been made to achieve the above problems, the technical problem to be achieved by the present invention is to change the channel similar to the offline TV by downloading and executing a dedicated player program without using the WAP menu in the user's mobile terminal It is to provide a live TV service providing method for a mobile terminal and a live TV service providing system for a mobile terminal using the same.

According to an aspect of the present invention, there is provided a method for providing a live TV service for a mobile terminal, which receives a live broadcast signal that is broadcast in real time, encodes in real time, and provides the encoded TV data for each channel. In the service providing method,

When a protocol based on a bidirectional connection is called a first communication protocol, and a protocol that transmits data unilaterally on the sending side without going through a signaling procedure of sending or receiving information is called a second communication protocol,

(a) when the user requests a live TV service, identifying whether a predetermined dedicated player program is not installed in the user's mobile terminal, and transmitting the predetermined dedicated player program if it is not installed;

(b) driving the predetermined dedicated player program and accepting a selection of a desired channel from a user;

(c) connecting a network and creating and registering a first communication protocol / second communication protocol socket;

(d) transmitting and receiving information and channel information of the mobile terminal through the first communication protocol socket;

(e) parsing server information and receiving TV content provided in real time through a second communication protocol socket;

(f) identifying whether buffering is complete and continuing to receive second communication protocol data through the second communication protocol socket if the buffering is incomplete and performing playback in the buffer if buffering is identified as complete;

(g) identifying whether a channel change request has been received;

(h) if the channel change request is received, stopping playback of the current channel and branching to step (d); And

(i) if the channel change request has not been received, transmitting an alive signal indicating that the connection is maintained and normally received through the first communication protocol socket;

In addition, the step (a),

(a-1) when the user requests a live TV service, requests mobile terminal information to receive mobile terminal information from the user mobile terminal, and selects a dedicated player program compatible with the user mobile terminal using the received mobile terminal information; ; And

(a-2) step (a-1) above, comprising a channel setting menu having at least a channel setting button, and when a user presses a channel setting button, sending channel request information and receiving the TV content live streaming And transmitting a predetermined dedicated player program for decoding the packet.

In addition, the live TV service providing method for the mobile terminal after the step (h),

(j) identifying whether a stream termination message indicating that the stream has been received is received;

(k) terminating live streaming and reproducing data remaining in the buffer if identified as having received the stream end message;

(l) closing the first communication protocol / second communication protocol socket; And

(m) closing the network socket; preferably further.

In addition, the live TV service providing system for a mobile terminal according to another aspect of the present invention for achieving the above technical problem is called a first communication protocol based on a bi-directional connection, and does not go through a signal procedure of receiving a signal to send information When a protocol for transmitting data unilaterally from the sender is called a second communication protocol,

A live channel server which receives a live broadcast signal broadcast in real time and prepares the encoded TV data packet for each encoded channel in real time;

A live server for providing an encoded channel data packet for each channel to a user mobile terminal using streaming;

When the user requests a live TV service, a channel setting menu having at least a channel setting button is provided, and when the user presses the channel setting button, the user sends a channel request information and decodes the received TV content real-time streaming packet. An operator server for transmitting a dedicated player program to a user mobile terminal through a DBMS server and a WAP server; And

It is a component made by reading and executing a predetermined dedicated player program downloaded from a central processing unit. The connection controller connects a network and creates and registers a first communication protocol / second communication protocol socket and a first communication protocol socket. A first communication protocol data transmitting / receiving unit which transmits and receives information of a mobile terminal and channel information which is selection information of a desired channel received from a user, in the form of first communication protocol data, and TV contents provided by parsing server information in real time. And a user mobile terminal having a second communication protocol data receiving unit for receiving a second communication protocol data form and a decoding unit for decoding the TV content.

In addition, if the first communication protocol data transmission / reception unit does not receive a channel change request, it is preferable to transmit an alive signal indicating that the connection is maintained and normally received through the first communication protocol socket to the live server.

The first communication protocol may be a communication control protocol based on TCP, and the second communication protocol may be a user daragram protocol based communication protocol.

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

1 is a block diagram illustrating a structure of a system for providing a live TV service for a mobile terminal according to an exemplary embodiment of the present invention. Referring to FIG. 1, a live TV service providing system for a mobile terminal according to an exemplary embodiment of the present invention is connected to a broadcaster side 102 that transmits a live signal, and transmits a live channel server 104 for real-time encoding and a live stream. Live server 106, DBMS (Database Management System) server 110 and WAP server 112 to configure the user mobile terminal and the TCP socket, the operator server 108 responsible for channel management, statistics and billing management Equipped.

Referring to the operation of the components, the live channel server 104 receives a live broadcast signal broadcast in real time and encodes in real time to prepare the encoded TV data packet for each channel. The live server 106 provides the encoded channel-specific TV data packet to the user mobile terminal using streaming.

When the user requests the live TV service, the operator server 108 transmits a predetermined dedicated player program to the user mobile terminal 140 through the DBMS server 110 and the WAP server 112. The predetermined dedicated player program has a channel setting menu having at least a channel setting button, and when the user presses the channel setting button, program codes for sending channel request information and decoding the received TV content real-time streaming packet It is made to include.

Meanwhile, according to the present invention, a protocol based on a bidirectional connection is called a first communication protocol, and a second communication protocol uses a protocol for unilaterally transmitting data on the sending side without going through a signal procedure of sending or receiving information. . In the present embodiment, an example of using a transmission control protocol (TCP) based communication protocol as the first communication protocol and a user daragram protocol (UDP) based communication protocol as the second communication protocol will be described.

Now, the user mobile terminal 140 reads and executes the downloaded predetermined player program from the central processing unit. Thus, as a component made in the user mobile terminal 140, a connection control unit for connecting a network and creating and registering a TCP / UDP socket, information of the mobile terminal and selection information of a desired channel received from the user through the TCP socket. TCP data transmission and reception unit for transmitting and receiving channel information in the form of TCP data, UDP data receiving unit for parsing server information and receiving TV content provided in the form of UDP data in real time and a decoding unit for decoding TV content. .

In addition, if the TCP data transmission / reception unit does not receive a channel change request, the TCP data transceiver transmits an Alive signal indicating that the connection is maintained and normally received through the TCP socket to the live server.

FIG. 2 is a flowchart illustrating main steps of a method for providing a live TV service for a mobile terminal according to a preferred embodiment of the present invention performed in the system of FIG. 1. 2, in the live TV service providing method for a mobile terminal according to an embodiment of the present invention (a)

(a) When the user requests a live TV service, the mobile terminal of the user identifies whether a predetermined dedicated player program is not installed (step S200), and if not installed, transmits the predetermined dedicated player program ( Step S202). Here, the live TV service refers to a service for watching offline TV on the mobile terminal according to the present invention.

Next, (b) the user selects a desired channel by driving the dedicated program (step S204). Now, (c) connect the network, create and register a TCP / UDP socket (step S206), and (d) transmit and receive information and channel information of the mobile terminal through the TCP socket (step S208).

Meanwhile, (e) parsing server information and receiving TV content provided in real time through a UDP socket (step S210). Next, (f) identifying whether the buffering is completed (step S212), if it is identified that the buffering is not completed, continue receiving UDP data through the UDP socket (step S213), and reproducing in the buffer if the buffering is identified as complete (Step S214).

Next, (g) identifying whether a channel change request has been received (step S216), and (h) if the channel change request has been received, stopping playback of the current channel while maintaining connection and branching to step (d) (step). S217). On the other hand, (h) if the channel change request is not received, an Alive signal indicating that the connection is maintained and normally received is transmitted through the TCP socket (step S218).

On the other hand, since the mobile terminal and the operating system of the mobile terminal is various, it is necessary to find out the information of each mobile terminal and provide a dedicated player program accordingly. Therefore, more preferably, the step (a) (step S202) (a-1) when the user requests a live TV service, requests mobile terminal information to receive mobile terminal information from the user mobile terminal and receives the received mobile terminal information. Selecting a dedicated player program compatible with the user mobile terminal using, and (a-2) is selected in the step (a-1), the channel setting menu having at least a channel setting button, the user has a channel When the setting button is pressed, the channel request information is transmitted and a predetermined dedicated player program for decoding the received TV content real-time streaming packet is transmitted.

In addition, streaming may end due to the termination of a broadcast. Therefore, after step (h), it is identified whether (i) the stream end message indicating the end of the stream has been received (step S220), and (j) if it is identified that the stream end message has been received, the live streaming ends and remains in the buffer. The existing data is reproduced (step S222) and (k) the TCP / UDP socket is closed (step S224). Finally (l) the network socket is closed (step S 226).

The method of providing a live TV service for a mobile terminal based on the above method may be charged on a packet basis, but it may be preferable that the mobile TV is operated on a monthly basis so as to be familiar to users familiar with the offline method.

According to the method of providing a live TV service for a mobile terminal and a service method using the same according to the present invention, when a user sets a channel on a dedicated player program driven by his mobile terminal, the channel corresponding to the changed channel according to the channel change information is provided. The TV content is transmitted from the live server based on the second communication protocol in real time to terminate the currently playing TV content and play the TV content corresponding to the changed channel. In this process, while the conventional WAP menu-based TV content providing service method is to watch one channel and to enjoy another channel, the user must exit from the current channel and reconnect to another channel to listen to the other channel. Simply click the Change Channel button on the running dedicated player program to instantly watch TV content on the changed channel.

 That is, according to the present invention, the user's mobile terminal supports a channel change similar to an offline TV by downloading and executing a dedicated player program without using a WAP menu. Therefore, it is expected that the user can be familiar to users who are used to the offline TV broadcasting, and can expand the distribution of the TV content providing service on the mobile.

According to the method of providing a live TV service for a mobile terminal and a service method using the same according to the present invention as described above, the user's mobile terminal downloads and executes a dedicated player program without using a WAP menu, similar to an offline TV. Support change. Therefore, it is expected that the user can be familiar to users who are used to the offline TV broadcasting, and can expand the distribution of the TV content providing service on the mobile.

1 is a block diagram showing the structure of a live TV service providing system for a mobile terminal according to an embodiment of the present invention; and

2 is a flow chart showing the main steps of a method for providing a live TV service for a mobile terminal according to a preferred embodiment of the present invention performed in the system of FIG.

Claims (7)

A method of providing a live TV service for a mobile terminal for receiving a live broadcast signal broadcast in real time and encoding in real time and providing encoded TV data for each channel, When a protocol based on a bidirectional connection is called a first communication protocol, and a protocol that transmits data unilaterally on the sending side without going through a signaling procedure of sending or receiving information is called a second communication protocol, (a) when the user requests a live TV service, identifying whether a predetermined dedicated player program is not installed in the user's mobile terminal, and transmitting the predetermined dedicated player program if it is not installed; (b) driving the predetermined dedicated player program and accepting a selection of a desired channel from a user; (c) connecting a network and creating and registering a first communication protocol / second communication protocol socket; (d) transmitting and receiving information and channel information of the mobile terminal through the first communication protocol socket; (e) parsing server information and receiving TV content provided in real time through a second communication protocol socket; (f) identifying whether buffering is complete and continuing to receive second communication protocol data through the second communication protocol socket if the buffering is incomplete and performing playback in the buffer if buffering is identified as complete; (g) identifying whether a channel change request has been received; (h) if it is identified in step (g) that the channel change request has been received, stopping playback of the current channel and branching to step (d); And (i) transmitting an alive signal from the mobile terminal to the live server through the first communication protocol socket indicating that the connection is maintained and normally received if it is identified in step (g) that the channel change request has not been received; Including, After step (h), (j) identifying whether a stream termination message indicating that the stream has been received is received; (k) terminating live streaming and reproducing data remaining in the buffer if identified as having received the stream end message; (l) closing the first communication protocol / second communication protocol socket; And (m) closing the network socket; providing a live TV service for a mobile terminal. According to claim 1, wherein the step (a), (a-1) when the user requests a live TV service, requests mobile terminal information to receive mobile terminal information from the user mobile terminal, and selects a dedicated player program compatible with the user mobile terminal using the received mobile terminal information; ; And (a-2) step (a-1) above, comprising a channel setting menu having at least a channel setting button, and when a user presses a channel setting button, sending channel request information and receiving the TV content live streaming And transmitting a predetermined dedicated player program to decode the packet. delete delete When a protocol based on a bidirectional connection is called a first communication protocol, and a protocol that transmits data unilaterally on the sending side without going through a signaling procedure of sending or receiving information is called a second communication protocol, A live channel server which receives a live broadcast signal broadcast in real time and prepares the encoded TV data packet for each encoded channel in real time; A live server for providing an encoded channel data packet for each channel to a user mobile terminal using streaming; When the user requests a live TV service, a channel setting menu having at least a channel setting button is provided, and when the user presses the channel setting button, the user sends a channel request information and decodes the received TV content real-time streaming packet. An operator server for transmitting a dedicated player program to a user mobile terminal through a DBMS server and a WAP server; And It is a component made by reading and executing a predetermined dedicated player program downloaded from a central processing unit. The connection controller connects a network and creates and registers a first communication protocol / second communication protocol socket and a first communication protocol socket. A first communication protocol data transmitting / receiving unit which transmits and receives information of a mobile terminal and channel information which is selection information of a desired channel received from a user, in the form of first communication protocol data, and TV contents provided by parsing server information in real time. And a user mobile terminal having a second communication protocol data receiving unit for receiving a second communication protocol data form and a decoding unit for decoding the TV content. The method of claim 5, wherein the first communication protocol data transmission and reception unit, If the channel change request is not received, the live TV service providing system for a mobile terminal, characterized in that the connection to the live server through the first communication protocol socket indicating that the connection is maintained and is normally received. The live TV set of claim 5, wherein the first communication protocol is a communication control protocol based on TCP, and the second communication protocol is a user daragram protocol based communication protocol. Service delivery system.