KR20070062888A - Method for providing an auxiliary data service in a mobile broadcasting system - Google Patents

Abstract

An auxiliary data service method in a portable broadcasting system is provided to previously schedule and offer auxiliary data in providing an auxiliary data service in a portable broadcasting system or to store the auxiliary data in a mobile terminal so that associated data can be provided when the user accesses a desired service or contents. A mobile terminal receives a service guide from a portable broadcasting system, and the user of the mobile terminal confirms the service information contained in the service guide through a display unit(201). The user selects a desired service and attempts access at a specific time(202). The mobile terminal, based on the user's service access request, confirms whether the user is affiliated with the selected service(203). In case the user is not affiliated with the selected service, the mobile terminal confirms whether barker-type contents exist among the contents related to the selected service(204). If so, the mobile terminal displays the barker-type contents to the user(205). In case barker-type contents do not exist among the contents related to the selected service, the mobile terminal provides error information, purchase item information or preview data information to the user(206).

Description

TECHNICAL FOR PROVIDING AN AUXILIARY DATA SERVICE IN A MOBILE BROADCASTING SYSTEM

1 is a block diagram illustrating a structure of a service guide for receiving a broadcast service in a general portable broadcasting system.

2 is a flowchart illustrating an operation of a mobile terminal receiving auxiliary data in a portable broadcasting system according to an embodiment of the present invention.

3 is a flowchart illustrating an operation of displaying ancillary data received by a mobile terminal in a mobile broadcasting system according to an exemplary embodiment of the present invention.

4 is a diagram illustrating an example of an auxiliary data service according to the present invention;

5 is a diagram illustrating a configuration example of a message schema table applied to the present invention.

The present invention relates to a service method of a mobile broadcasting system, and more particularly, to a method of providing auxiliary data such as advertisement or Barker information to a mobile terminal in a mobile broadcasting system.

The mobile communication market is continuously demanding the production of new services through recombination or integration of existing technologies. Today, due to the development of communication and broadcasting technologies, mobile terminals such as mobile phones and PDAs in conventional broadcasting systems or mobile communication systems are , A "mobile terminal"). IT is strengthening the mobile communication business by accommodating such potential and actual market demands, rapidly increasing user demands for multimedia services, strategies of operators to provide new services such as broadcasting services in addition to existing voice services, and demands of consumers. With companies' interests in mind, convergence of mobile communication services and IP is becoming a big trend in the development of next generation mobile communication technology.

Meanwhile, the Open Mobile Alliance (OMA) is an organization that researches standards for interoperability of individual mobile solutions. The OMA mainly plays a role in setting various application standards for mobile communication games and Internet services. In particular, the OMA BCAST working group (Open Mobile Alliance Browser and Content Mobile Broadcast Sub Working Group) of the working group of the OMA is studying a technology for providing a broadcast service using a mobile terminal. Hereinafter, a brief description will be given of the mobile broadcast system discussed in the OMA BCAST working group.

First, a mobile terminal for receiving a broadcast service in a mobile broadcasting system must receive service guide information including description information about the service itself, billing information about the service, and information on how to receive the service. The mobile terminal receives the corresponding service according to the information provided in the service guide information. One service guide is composed of fragments having a respective purpose, and each fragment is divided into a plurality of groups according to a use purpose.

Hereinafter, the present disclosure will be described based on the prior art and OMA BCAST technology, which is one of the portable broadcast technology standards, to give specific examples of the present invention. However, this description does not limit the contents of the present invention.

1 is a block diagram illustrating a structure of a service guide for receiving a broadcast service in a general mobile broadcasting system, which is proposed to provide a broadcast service to a mobile terminal in an OMA BAC BCAST (Open Mobile Alliance Browser and Content Mobile Broadcast). It shows the data model of the service guide.

First, one service guide is composed of fragments having respective purposes, and each fragment is divided into four groups as shown in FIG. 1 according to a use purpose.

1 is an administrative group 100 which provides the service guide with higher configuration information of the entire service guide, a provisioning group 110 providing service subscription and purchase information, services, content, The example shows a configuration consisting of a core group 120 providing core information of a service guide such as a service schedule and an access group 130 providing access information for accessing a service or content. In FIG. 1, a solid line connecting each fragment refers to a cross reference between each fragment.

In FIG. 1, the administrative group 100 is a group for providing basic information for the mobile terminal to receive a service guide, and includes a service guide context fragment 101 and a service guide delivery interpreter (FIG. 1). SGDD) fragment 102. The service guide context fragment 101 provides a method for the mobile terminal to recognize the service guide, and the operator or owner who distributes the service guide, receiving location information and service guide for receiving the service guide. Provides connection information with the service guide delivery interpreter (SGDD). The service guide delivery interpreter fragment 102 informs information of a delivery session in which a service guide delivery unit (SGDU) containing a fragment which is a minimum unit constituting a service guide is provided, and informs the SGDU. It informs an entry point for receiving grouping information and a notification message.

In FIG. 1, the supply group 110 is a group providing fee information for receiving a service. The supply group 110 includes a purchase item fragment 111, a purchase data fragment 112, and a purchase channel fragment 113. The Purchase Item fragment 111 provides a bundle of services, content, time, etc. to help a user subscribe or purchase the corresponding purchased item. The purchase data fragment 112 includes detailed information on purchase and subscription, such as price information and promotion information about a service or a service bundle. The purchase channel fragment 113 informs access information for subscription or purchase.

In FIG. 1, the core group 120 is a group providing information about a service itself. The core group 120 includes a service fragment 121, a schedule fragment 122, and a content fragment 123. The service fragment 121 is a superset of contents included in a broadcast service as a center of an entire service guide, and provides information on a content, a genre, and a service area of the service, and the schedule fragment 122 Provides time information of each content included in the service, such as streaming and downloading, and the content fragment 123 includes a detailed description of the broadcasted content, a target user group, a service area, Genre, etc.

In FIG. 1, the access group 130 includes an access fragment 131 and a session description fragment 132. The access fragment 131 provides information related to access so that a service can be viewed, and provides a delivery method, session information, etc. for the access session. The session description fragment 132 may be included in the access fragment 131, or may inform the location information in the form of a URI so that the mobile terminal can check the corresponding session description information. In addition, the session analysis fragment 132 provides address information, codec information, and the like for multimedia content existing in the session.

The service guide information includes a preview data fragment 140 for providing a preview and an icon for services and contents in addition to the four groups as shown in FIG. 1, and bidirectional data for providing bidirectional channel data. Interactivity Data) fragment 150 may be further included.

The mobile terminal receives the service guide as shown in FIG. 1 from the system and provides the user with information on services and contents, and the user subscribes or purchases by confirming subscription or purchase information on the corresponding service or content information from the received service guide. Done. The user checks the access information (fragment) 131 at the time specified in the schedule information (fragment) 121 in the service guide of FIG. 1 for the service / content subscribed / purchased and accesses a session in which the service of the broadcasting network is provided. Receive the corresponding service or content. In relation to the service, the mobile terminal may access the distribution window time of the schedule information (fragment) 121 in advance to store and view the corresponding content.

In the above-described series of processes, the mobile terminal provides a broadcast service or a mobile communication service provider for providing a broadcast service in watching a service or content, and provides advertising content to the mobile terminal for its own purpose, and the unsubscribed service. And a method of providing a user with a method of subscribing to content (or non-subscription information) and the like and a method of providing Barker information indicating the description to the user are not provided.

The present invention provides an auxiliary data service method for providing auxiliary data such as advertisement or Barker information to a mobile terminal in a mobile broadcasting system.

The present invention also provides a method for a mobile terminal to receive auxiliary data in a portable broadcasting system.

In the method of the present invention, a mobile terminal receives auxiliary data in a portable broadcasting system, the method comprising: receiving service guide information for receiving content serviced from the portable broadcasting system; Verifying a Barker-type content among contents related to the service if the service is not subscribed to the selected service, and if the Barker-type content exists, the process of the selected service included in the Barker-type content And displaying at least one of a subscription method, unsubscribed information, and link information as the auxiliary data.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

The present invention is proposed to provide auxiliary data such as advertisements and Barker information to a user of a portable broadcasting system. The advertisement may be provided to be scheduled along with a service or content. Another example of the auxiliary data may include changing a start screen (Intro) and a broadcast channel that are displayed when a user accesses a service or content in a specific time zone through a mobile terminal. When the reception is terminated, an end screen (Outro), etc., which is displayed according to the end time of the corresponding service or content may be included. In addition, the Barker information is to provide an advertisement or a subscription method for the unsubscribed service or content when the user accesses a specific service or content, and provides a Barker service that provides the Barker information. (Barker) This is called a service.

Auxiliary data such as advertisement, initial screen, exit screen, and Barker information may be displayed by the mobile terminal in real time, or the mobile terminal may store the corresponding information in advance. Then, it may be displayed when accessing the service and the content. The auxiliary data may be described in other terms of a similar concept. Hereinafter, the auxiliary data may be separated from main content as well as advertisement, start screen, outro, and barker information. All contents that can be provided will be collectively referred to as auxiliary data. Auxiliary data defined as described above may be used in OMA BCAST as well as other broadcasting technologies.

Before explaining the present invention, a description of the message schema table used in the present invention is as follows.

5 illustrates an example of a configuration of a message schema table applied to the present invention.

In FIG. 5, the name 501 indicates a name for an element value and an attribute constituting the message. Type 503 means that the name 501 is of any type of element value or attribute value, and the element value has a value such as E1, E2, E3, E4. E1 represents the upper element value for the entire message, E2 represents the lower element value of E1, E3 represents the lower element value of E2, and E4 represents the lower element value of E3. The attribute value is represented by A, where A represents the attribute value of the element. For example, A below E1 represents the attribute value of E1.

In FIG. 5, the category 505 is used to distinguish whether a corresponding element value or an attribute value is mandatory or optional in a network N or a terminal T, and has an M value if required and an O value if optional. . Therefore, the essential content in the network is divided into "NM", the essential content in the terminal "TM", the option content in the network is "NO" and the option content in the terminal is divided into "TO". Cardinality 507 represents a relationship between elements and has values of 0, 0..1, 1, 0..n, 1..n. 0 means option, 1 means mandatory relationship, and n means that it can have many values. Also 0..n means that the element value may or may not have n values. The description 509 indicates what the corresponding element or attribute value means, and the data type 511 refers to the data type of the corresponding element value or attribute value, that is, the type of the written programming language. For example, it may be XML (eXtensible Markup Language).

FIG. 2 is a flowchart illustrating an operation of a mobile terminal receiving auxiliary data in a portable broadcasting system according to an exemplary embodiment of the present invention, which is a start screen (Intro), an end screen (Outro), and a Barker (Barker) information as auxiliary data. It shows an example of receiving.

The mobile terminal receives the service guide transmitted from the broadcasting system in step 201, and the user checks the service information included in the service guide through the display means. In step 202, the user selects a desired service and attempts to connect at a specific time. In step 203, the mobile terminal determines whether the user is subscribed to the service in response to the service access request.

The subscription of the service can be checked by the existence of service protection and content protection key values for viewing the service in the mobile terminal, and when accessing the service through an interactive network. The service provider may provide information on whether or not to subscribe, and technical methods of confirming whether or not to subscribe to the service may be provided in various forms.

If the user is not subscribed to the corresponding service as a result of the check in step 203, the mobile terminal determines whether there is content whose content type is Barker among the contents related to the service in step 204. Check it. If there are contents of which the content type is Barker, the mobile terminal displays the corresponding contents to the user in step 205. The Barker content may include information that the user is not subscribed to the corresponding service, a subscription method, or link information thereof.

If there is no Barker-type content in step 204, the mobile terminal notifies viewing error information indicating that the corresponding service cannot be viewed or purchase item information 111 related to the service in step 206, or Alternatively, PreiviewData 140 information related to Main Contents may be shown to the user on behalf of Barker. If it is determined in step 203 that the user has subscribed to the corresponding service, the mobile terminal checks whether there exists content having a start type (Intro) among contents related to the service in step 207.

In step 207, if there is no content whose content type is Intro, the mobile terminal displays a corresponding service in step 208. On the other hand, when the start screen (Intro) content is confirmed in step 207, the corresponding start screen (Intro) content is displayed in step 209, and then the service is displayed in step 210. When the user changes or terminates the service in step 211, the mobile terminal checks whether there is content whose content type is Outro in relation to the service in step 212.

If there is no content having an end screen (Outro) in step 212, the mobile terminal changes and terminates the service in step 213, and ends the process. On the other hand, if there is an outro content in step 212, the mobile terminal displays the outro content in step 214, and terminates the service reception or changes the service. The above process is applied when accessing a service or changing a service access. Access, change, etc. to the service described in the present invention means similar to channel change in general TV viewing.

3 is a flowchart illustrating an operation of displaying ancillary data received by a mobile terminal in a portable broadcasting system according to an exemplary embodiment of the present invention.

In step 301, the mobile terminal requests to display auxiliary data such as a start screen (Intro), an end screen (Outro), a barker, or an advertisement. The request may be provided by being included in a message provided by the function through a notification message or a similar function, and the message may be provided with a Content-Location or ID value of Contents. Contains URL or URI information of the anyURI type. In step 302, the mobile terminal checks content location information of the GlobalContentID or File Element defined in the contents fragment of the service guide described in FIG. 1, and in step 303, a caching table in the mobile terminal. Search for. The method of managing the content location for the content may be provided in various forms in addition to the caching table. Here, the GlobalContentID may use URL or URI information of the anyURI type or may use a separate unique identifier.

Thereafter, in step 304, the mobile station checks whether a content location exists in a caching table or the like. As a result of the check in step 304, if there is a content location in the caching table, the mobile terminal displays corresponding auxiliary data to the user and terminates the process. If the content location does not exist in the caching table in step 304, the mobile terminal accesses the network address indicated by the corresponding content location, receives the contents, displays the contents immediately, and terminates the process.

4 is a diagram illustrating an example of an auxiliary data service according to the present invention.

In FIG. 4, the Service 401, Content 402 ˜ 406, and Schedule 407 are the same as the Service, Content, Schedule fragments 121, 123, and 122 described in the service guide of FIG. 1, and are reconfigured for convenience of description. will be. 4 illustrates a case where the content type is Ad, Intro, Main, and Outro, and the scope of the present invention is not limited thereto.

In FIG. 4, the service fragment 401 may include a content 402 having a content type of Ad, a content 403 having a content type of Intro, and a content type of Main. 404, the content type 405 of which the content type is Outro, and the content 406 whose content type is Ad, and the content 402 and the content 406 may be the same or different.

The contents 402, 404, and 406 are contents in which a schedule 407 is determined, and schedule information for the corresponding contents may be determined in the schedule fragment 121 described with reference to FIG. 1. In the illustrated broadcast schedule of FIG. 4, the content 402 is broadcast from 9:00 AM to 9:10 AM, the content 404 is broadcast from 9:10 AM to 9:50 AM, and the content 406 is 9 It is broadcast from: 50 AM to 10:00 AM.

If the user accesses the service 401 at the time 408, the mobile terminal preferentially displays the content 403 of the start screen (Intro) related to the service, and then displays the content broadcasted at that time. In FIG. 4, the content 404 whose content type is Main is displayed. In addition, when the user disconnects or changes the service at the time of reference number 409, the mobile terminal first displays the content 405 of the Outro related to the service 401, and then changes to another service or the service ( The connection with 401 is terminated.

Definition of the content type related to the present invention is defined as follows. The definition of the content type may be defined in other forms as shown in Tables 1 and 2 below for the same purpose in connection with the present invention. Type, category, cardinality, The data type may also be defined differently according to the purpose.

First, <Table 1> shows <when defined in a general form>, and <Table 2> shows <when defined as a MIME type>.

As described above, according to the present invention, an auxiliary data service such as a barker for inducing an advertisement and an unsubscribed service or a subscription recommendation for content can be provided to a mobile terminal in a portable broadcasting system.

According to the present invention, when providing an auxiliary data service in the portable broadcasting system, the auxiliary data may be provided in advance or stored in the mobile terminal to be provided when the user accesses the corresponding service or content.

Claims (1)

In the method of receiving the auxiliary data in the mobile terminal in the portable broadcasting system, Receiving service guide information for receiving content serviced from the portable broadcasting system; Confirming whether or not the selected service is registered; If the user is not subscribed to the selected service, checking the content of the Barker type among contents related to the service; And if at least one of the barker-type content exists, displaying at least one of a subscription method, unsubscribed information, and link information of the selected service included in the barker-type content as the auxiliary data. Secondary data service methods.

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