KR20030006265A - A method for providing Multimedia Broadcasting Service using Cell Broadcasting Service in mobile telecommunication network - Google Patents

Abstract

PURPOSE: A method of servicing multimedia broadcasting using a cell broadcasting service in a mobile communication network is provided to supply a multimedia broadcasting service by using an existing cell broadcasting service as a unilateral character broadcasting service with the use of an SMS. CONSTITUTION: A mobile communication network constructs a multimedia contents server(S201). The network loads access information for various registered multimedia contents into a broadcasting message for a cell broadcasting service, and transmits the broadcasting message(S202,S203). A mobile terminal receives the access information included in the broadcasting message to interpret the message, and displays the interpreted broadcasting message(S204). The mobile terminal drives a built-in program for the corresponding contents, and accesses the multimedia contents server based on access information selected by a user(S205,S206). The multimedia contents server supplies a contents service corresponding to the selected access information to the mobile terminal(S207).

Description

A method for providing multimedia broadcasting service using cell broadcasting service in mobile telecommunication network

The present invention relates to a multimedia broadcasting service method using a cell broadcasting service in a mobile communication network, and more particularly, to an existing cell broadcasting service as a one-way text broadcasting service using a short message service (SMS). A multimedia broadcasting service method using a cell broadcasting service in a mobile communication network, which provides a multimedia broadcasting service.

Until now, the cell broadcasting service has been provided in the form of unidirectional text broadcasting service using SMS, and its area is limited to providing voice information through text information or call back numbers.

In addition, a simple multimedia contents service is currently provided through a mobile terminal using a wireless Internet based on WAP, etc. However, since a multimedia providing server is established and operated by each service provider, the user is required to use offline. After acquiring the content information individually, there was a hassle to access the server of the desired operator and provide the corresponding service.

SUMMARY OF THE INVENTION The present invention has been made in accordance with the above technical background, and an object thereof is to provide various types of wireless Internet multimedia content services using a cell broadcasting service as a one-way text broadcasting service. To implement a multimedia broadcasting service method using a broadcasting service.

1 is a schematic structural diagram of a mobile communication system for applying the method of the present invention;

2 is a flowchart illustrating a multimedia broadcasting service method using a cell broadcasting service according to an embodiment of the present invention.

3 is a diagram illustrating a transmission format of a broadcast message.

FIG. 4 is a diagram illustrating a format of property subparameter information of FIG. 3,

5 is a view showing a content-specific connection parameter capture as content connection information carried in a broadcast message according to the method of the present invention.

6 is a flowchart illustrating an example of a broadcast message processing method in a mobile terminal in a multimedia broadcasting service method using a cell broadcasting service according to the present invention.

※ Explanation of code for main part of drawing

110: mobile terminal 120: base station

130: communication network 131: base station controller

132: exchange 133: packet data switching node

140: packet network 150: Internet network

151: swap server 160: cell broadcasting service server

170: multimedia content server 171: database

181,182,183: content server as a broadcasting station

190: swap gateway

In order to achieve the above object, a multimedia broadcasting service method using a cell broadcasting service according to the present invention is a mobile communication network that provides a cell broadcasting service as a one-way text broadcasting service. A first step of constructing a multimedia contents server for providing multimedia contents by providing a database of various multimedia contents for each broadcasting station; A second step of carrying access information on the registered multimedia contents in a broadcast message for the cell broadcasting service; A third step of receiving, interpreting and displaying the access information included in the transmitted broadcast message in the corresponding mobile terminal; A fourth step of accessing the multimedia content server while driving a program embedded for the corresponding content based on the access information selected by the user among the displayed access information; And a fifth step of providing, by the multimedia content server, a content service corresponding to the selected access information from the connected terminal to the corresponding terminal.

In order to achieve the above object, in the multimedia broadcasting service method using the cell broadcasting service according to the present invention, a mobile communication network providing a cell broadcasting service as a unidirectional text broadcasting service is provided. A method of processing in a mobile terminal when a multimedia content server for providing multimedia content is provided and a connection message for the registered multimedia content is loaded in a broadcast message for the cell broadcasting service. The first step of receiving the broadcast message; A second step of determining whether a type of the selected content is a download type based on the information included in the broadcast message; If it is determined that the download type is not downloaded, the service is processed according to the parameter value of the content in the non-download type included in the access information. Driving to access the multimedia content server; And a fourth step of downloading the corresponding content from the multimedia content server.

Hereinafter, a multimedia broadcasting service method using a cell broadcasting service according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic configuration diagram of a mobile communication system for applying the method of the present invention, comprising: a base station 120 communicating with a terminal 110 through an air interface section; A controller (BSC) 131 for controlling the base station, a switch 132 connected to at least one of the controllers to perform an exchange and including a visitor location register (VLR), voice data as packet data or packet data A communication network 130 having a packet data switching node (PDSN) 133 as a gateway for converting the data into voice data; A packet network 140 interworking with the communication network 130 via the PDSN 133; An internet network 150 interworking with the packet network 140; And a CBS server 160 connected to the packet network 140 to provide a cell broadcasting service (CBS) as an SMS-based one-way text broadcasting service. A multimedia content server 170 connected to the packet network 140 and provided with a database (DB) 171 for various multimedia contents for each broadcasting station registered for each channel to provide multimedia contents to the connected mobile terminal; A content server (181, 182, 183) as a broadcasting station registered in the database (171) of the multimedia content server (170); A WAP G / W 190 is connected to the packet network.

FIG. 2 is a flowchart illustrating a multimedia broadcasting service method using a cell broadcasting service according to an embodiment of the present invention. Since the present invention is applied to the system of FIG. 1, the present invention will be described in parallel with the operation of the system of FIG. 1.

First, content servers 181, 182, and 183 as respective broadcasting stations are separately channeled and register their contents in the database 171 of the multimedia content server 170 (S201).

The multimedia content server 170 provides the registration information to the CBS server 160 via the packet network 140 (S202), and the CBS server 160 is provided from the multimedia content server 170. On the basis of the registration information, access information on content for each broadcasting station is added to an existing broadcast message for cell broadcasting to a mobile terminal 110 capable of receiving a broadcast service through the communication network 140 → 130 → 120. It transmits (S203).

The mobile terminal 110 receives and interprets the connection information included in the transmitted broadcast message and displays it on the display window (S204). Based on the connection information selected by the user, the corresponding content is displayed. In addition to driving the built-in program (S205) and access to the multimedia content server 170 via the communication network (120 → 130 → 140) (S206).

Finally, the multimedia content server provides a content service corresponding to the selected access information from the connected mobile terminal 110 to the mobile terminal through the communication network (140 → 130 → 120) (S207).

As described above, in the method of the present invention, the CBS server 160 transmits access information on content for each broadcasting station registered in the multimedia content server 170 in a broadcast service message, and the terminal is configured to receive a broadcast service. Receive this information, interpret it, and display it in a format appropriate to the user. When the user attempts to connect, the terminal attempts to connect to the multimedia content server 170 while driving a program for the corresponding content using a broadcast message parameter value. The multimedia content server 170 provides a service for the corresponding content registered in the database 171.

That is, the method of the present invention provides an on-demand multimedia content broadcasting service to a mobile subscriber by using a one-way text broadcasting service based on SMS, which is described with reference to FIG. The method will be described in more detail by subscribing to / unsubscribing to a broadcast service, registering / deleting a broadcast channel, transmitting a broadcast message, content parameters as content access information included in a broadcast message, and message processing in a terminal.

First, in the multimedia broadcasting service method using the cell broadcasting service according to the present invention, the broadcasting service subscription / cancellation method may be performed through an Internet homepage or a WAP. When the user registers or cancels registration through the Internet homepage or the WAP, the CBS server 160 registers the registration and transmits the registration information to the subscriber station via SMS. When accessing through a WAP, the CBS server 160 performs a service subscription / cancellation by downloading a WML script to the terminal.

Next, in the method of registering / deleting a broadcast channel in the multimedia broadcasting service method using the cell broadcasting service according to the present invention, a broadcast service subscriber may select a broadcast channel through an Internet homepage or a WAP. Unlike the existing broadcasting service that divides channels according to interests, the broadcasting service according to the present invention adopts a method of allocating a separate channel for each broadcasting station. The broadcast channel name selected by the subscriber is transmitted to the subscriber terminal through SMS or WML script along with a service category value that enables the terminal to identify the broadcast channel. The terminal dynamically constructs a message box in which the received broadcast channel names are the menu names.

Next, a method of transmitting a broadcast message in a multimedia broadcasting service method using a cell broadcasting service according to the present invention will be described.

In order to allow a terminal to determine a broadcast message type and to perform a proper operation for each message type, a message format as shown in FIGS. 3 and 4 is defined and used. Types of broadcast messages are classified according to property field values of property subparameters and accommodate video content, GVM content, Java content, voice service, and Wap service.

3 shows a transmission format of a broadcast message, and includes subparameters such as a message identifier (Mwssage Identifier), user data, user data, multi-media mode, and property information. The additional service types provided according to the broadcast message are classified according to the attributes of the multimedia mode subparameter information of the teleservice layer and the detailed field information of the property subparameter information.

The property subparameter information has a format as shown in FIG. 4, and the property subparameter information includes a subparameter ID (SUBPARAMETER_ID), a subparameter length (SUBPARAMETER_LEN), a session ID (SESSION_ID), and a message serial number ( MSG_SEGMENT_NUM) and field information of the message property property.

Next, according to the method of the present invention, the access parameters for each content as the content access information included in the broadcast message are configured as shown in FIG. 5, and the CBS server 160 stores the content in the broadcast message transmission format as shown in FIGS. 3 and 4. The access parameters are sent and the terminal connects to the content-specific server (i.e., each broadcasting station) 181, 182 or 183 according to this access parameter to perform a service.

The access parameters for each content of FIG. 5 include a subparameter ID (SUBPARAMETER_ID), a subparameter length (SUBPARAMETER_LEN), an identifier (CPID) of a content provider (i.e., a content server as each broadcasting station), a content identifier (ContentsID), and a multimedia content server. Address (Server IP), Access Port of Multimedia Content Server (ServerPort), Mux Option / Service Option (MO / SO), Content Playback Type (Svc Type), Content Name (ContentsName), Content Storage Field parameters for the number of post-playback contents (ContentsProtect) and the available time after content storage (ContentsExpDate).

Next, in the multimedia broadcasting service method using the cell broadcasting service according to the present invention, an example of a broadcast message processing method in a corresponding mobile terminal will be described with reference to FIG. 6.

First, when the broadcast message according to the present invention is received as described above (S601), the content type is analyzed based on the subparameter ID and property information of FIGS. 3 and 4 (S602). The download type authorization is determined (S603).

If the determination result of the step S603 is not the download type, the service is processed according to the parameter value of the corresponding content when the non-download type is included in the access parameter information as shown in FIG. 5 (S604). In response to the content, the built-in content player drives the program (S605).

The content player accesses the multimedia content server 170 by using the content-specific access parameter information values of FIG. 5 included in the broadcast message (S606), and provides the corresponding content provided from the multimedia content server 170. Download it (S607).

As described in detail above, according to the multimedia broadcasting service method using the cell broadcasting service according to the present invention, an effect of providing various kinds of wireless internet multimedia content services using the existing one-way text broadcasting service is created, and furthermore, As well as providing information, it can be widely applied to advertising and e-commerce.

Claims (5)

In a mobile communication network providing a cell broadcasting service as a one-way text broadcasting service, A first step of constructing a multimedia contents server for providing multimedia contents by providing a database of various multimedia contents for each broadcasting station registered for each channel in the mobile communication network; A second step of carrying access information on the registered multimedia contents in a broadcast message for the cell broadcasting service; A third step of receiving, interpreting and displaying the access information included in the transmitted broadcast message in the corresponding mobile terminal; A fourth step of accessing the multimedia content server while driving a program embedded for the corresponding content based on the access information selected by the user among the displayed access information; And And providing a content service corresponding to the selected access information from the connected terminal to the corresponding terminal in the multimedia content server. The method of claim 1, The channel is a multimedia broadcasting service method using a cell broadcasting service, characterized in that the allocation for each registered broadcast station. The method of claim 1, The access information may include a sub-parameter ID, a sub-parameter length, a content broadcasting station identifier, a content identifier, an address of a multimedia content server, a connection port of a multimedia content server, a content playing format, a content name, a number of playable times after storing a content, and after storing a content. A multimedia broadcasting service method using a cell broadcasting service, characterized in that configured with parameters for usable time. In a mobile communication network that provides a cell broadcasting service as a one-way text broadcasting service, a multimedia content server for providing multimedia contents is provided by having a database of various multimedia contents for each broadcasting station registered for each channel, and the cell broadcasting service is provided. In the method for processing in the mobile terminal when transmitting the connection information for the registered various multimedia content in a broadcast message, A first step of receiving the broadcast message; A second step of determining whether a type of content is a download type based on the information included in the broadcast message; If it is determined that it is not a download type, the service is processed according to the parameter value of the content in the case of the non-download type included in the access information. Driving to access the multimedia content server; And And a fourth step of downloading the corresponding content from the multimedia content server. The method of claim 4, wherein The access information may include a sub-parameter ID, a sub-parameter length, a content broadcasting station identifier, a content identifier, an address of a multimedia content server, a connection port of a multimedia content server, a content playing format, a content name, a number of playable times after storing a content, and after storing a content. A multimedia broadcasting service method using a cell broadcasting service, characterized in that configured with parameters for usable time.