KR100866227B1 - Method and apparatus for transmitting and receiving notification message in a mobile broadcast system - Google Patents

Abstract

The present invention relates to a method for transmitting and receiving a notification message in a portable broadcasting system, and an apparatus according to the present invention. A terminal for transmitting a subscription request message for receiving a notification message including reception channel information to a transmitter managing subscription information of the terminal, storing subscription information of the terminal according to the subscription request message, and when a notification event occurs, And a transmitter for transmitting a notification message of a corresponding service to the terminal based on the channel information. In the method of transmitting and receiving a notification message in the mobile broadcasting system of the present invention, after the terminal checks the notification contents from the service guide, the terminal receives a subscription request message for receiving the notification message including the reception channel information of the notification message when the service is subscribed / purchased. Transmitting the subscription information to the transmitter, and after the transmitter performs authentication according to the subscription request message, stores the subscription information of the terminal, and when a notification event occurs, a notification message of the corresponding service based on the channel information. It includes the process of transmitting.

OMA BCAST, Notification, Subscription

Description

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING NOTIFICATION MESSAGE IN A MOBILE BROADCAST SYSTEM}

1 is a view showing the components for transmitting a service guide to a mobile terminal in a portable broadcasting system according to a first embodiment of the present invention

2 is a diagram showing a notification structure in the portable broadcasting system according to the first embodiment of the present invention.

3 is a diagram showing a structure for service provision in a portable broadcasting system according to a first embodiment of the present invention;

4 is a block diagram showing a structure for transmitting a notification message in a portable broadcasting system according to a first embodiment of the present invention.

5A to 5D are diagrams showing an example of a service guide configuration for a service including a notification;

6 is a signal flow diagram illustrating a case in which a notification message is subscribed through a bidirectional channel in a portable broadcasting system according to a first embodiment of the present invention.

7 is a diagram illustrating a generation and request process of a notification message event in a portable broadcasting system according to a first embodiment of the present invention.

8 is a flowchart illustrating a process of receiving and transmitting a request for transmission of a notification message to a terminal by the NTDA in the portable broadcasting system according to the first embodiment of the present invention.

9A is a diagram illustrating in detail an example of an access fragment in a portable broadcasting system according to a first embodiment of the present invention.

9B is a diagram showing a connection form in an access fragment in the portable broadcasting system according to the first embodiment of the present invention.

10 is a diagram illustrating an example screen of a user terminal through a service guide receiving method in a portable broadcasting system according to a first embodiment of the present invention.

11 is a diagram illustrating an electronic service guide (ESG) transmission structure of a CBMS in a mobile broadcasting system according to a second embodiment of the present invention.

12 illustrates a structure of network entities for transmitting a notification message in a CBMS in a portable broadcasting system according to a second embodiment of the present invention.

13 is a diagram related to service purchase of a CBMS in a portable broadcasting system according to a second embodiment of the present invention.

14 is a diagram illustrating signaling between network entities in a mobile broadcasting system according to a second embodiment of the present invention.

15A to 15D are diagrams illustrating a CBMS-based ESG data model fragment in a portable broadcasting system according to a second embodiment of the present invention.

16 is a diagram illustrating a CBMS ESG data model in a portable broadcasting system according to a second embodiment of the present invention.

The present invention relates to a method and apparatus for transmitting and receiving a notification message in a portable broadcasting system, and more particularly, to a method and apparatus for transmitting and receiving a notification message using a bidirectional channel in a portable 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 the interests of companies interlocked, the convergence of mobile communication service and IP is becoming a big flow of 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 BAC BCAST (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 portable broadcasting system discussed in the OMA.

The portable broadcasting system includes a discovery of a service by a terminal capable of receiving a portable broadcast, a subscription of a service by the terminal, provision of various control information for receiving the service, transmission of the service, and Receive process. In the portable broadcast system, when the mobile broadcast is performed, the terminal receives a notification message including various control information about the broadcast service.

In such a system, changes may occur in the broadcast system due to various factors while the terminal receives a broadcast, and some of the changes may be information that must be known in the terminal. An example of the information may be a change in a portable broadcast service time, a change in information for receiving a portable broadcast service, and the like.

A method of transmitting a notification message in such a portable broadcasting system is already defined. However, in a portable broadcasting system providing a bidirectional channel, a method of transmitting a notification message is not defined. Therefore, a procedure and method for the notification message are required.

Accordingly, an object of the present invention is to provide a method and system for transmitting a notification message in a portable broadcasting system.

Another object of the present invention is to provide a method and system for transmitting a notification message in a portable broadcasting system supporting a bidirectional channel.

According to an aspect of the present invention, there is provided a method of transmitting a notification message in a portable broadcasting system supporting a bidirectional channel, wherein when a notification event occurs, first means for managing subscription information of a terminal generates a notification message, and A first step of generating at least one transmission request message including a target address of the terminal to which the generated notification message is to be transmitted, and a channel to be transmitted to the corresponding terminal based on the target address in the second means for transmitting the notification message; Determining and transmitting the notification message.
According to an aspect of the present invention, there is provided an apparatus for transmitting a notification message in a portable broadcasting system supporting a bidirectional channel, which manages subscription information of a terminal, generates a notification message when a notification event occurs, and generates the notification message. First means for generating at least one transmission request message including a target address of a corresponding terminal to which the terminal is to be transmitted, and determining a channel for transmitting the notification message to the corresponding terminal based on the target address to transmit the notification message. It includes two means.
According to an aspect of the present invention, there is provided a method of receiving a notification message in a portable broadcasting system supporting a bidirectional channel, wherein the notification includes information of a reception channel of a notification message upon subscription / purchase of a service after checking the notification contents from a service guide. Transmitting a subscription request message for receiving the message to a first means for managing subscription information of the terminal, receiving a response message including whether to authenticate from the first means, and receiving the received message after completion of the authentication. And receiving the notification message transmitted according to channel information.
According to an aspect of the present invention, there is provided an apparatus for receiving a notification message in a portable broadcasting system supporting a bidirectional channel, wherein after receiving a notification from a service guide and subscribing / purchasing a service, the received channel information of the notification message is included. First means for receiving an authentication request by sending a subscription request message for receiving the received notification message to an entity managing subscriber information of the terminal, and receiving the notification message transmitted according to the reception channel information after the authentication is completed. It includes a second means to.
According to an aspect of the present invention, there is provided a method for transmitting and receiving a notification message in a portable broadcasting system supporting a bidirectional channel, wherein after receiving a notification information from a service guide, the terminal receives the channel information of the notification message upon subscription / purchase of a service. Transmitting a subscription request message for reception of an included notification message to a transmitter managing subscription information of the terminal, after the transmitter performs authentication according to the subscription request message, and stores subscription information of the terminal, When a notification event occurs, transmitting a notification message of a corresponding service based on the channel information.
According to an aspect of the present invention, there is provided an apparatus for transmitting and receiving a notification message in a portable broadcasting system supporting a bidirectional channel, wherein after receiving a notification from a service guide, receiving channel information on reception of the notification message upon subscription / purchase of a service. A terminal for transmitting a subscription request message for receiving a notification message including a message to a transmitter that manages subscription information of the terminal, and stores subscription information of the terminal according to the subscription request message, and when a notification event occurs, the channel. And a transmitter for transmitting a notification message of a corresponding service to the terminal based on the information.

DETAILED DESCRIPTION Hereinafter, detailed descriptions of preferred embodiments of the present invention will be described with reference to the accompanying drawings. It should be noted that the same components in the figures represent the same numerals wherever possible. Specific details are set forth in the following description, which is provided to aid a more general understanding of the invention. 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 proposes a method and system for providing a notification message in a portable broadcasting system supporting a bidirectional channel. This will be described with reference to the portable broadcasting system of the present invention for each embodiment, and then the notification message transmission method according to the present invention will be described. In the first embodiment, a broadcasting system defined by the 3rd Generation Partnership Project (3GPP), which is an asynchronous mobile communication standard, or the Open Mobile Alliance (OMA), which is a standard organization of terminal applications, is used. In the second embodiment, a digital video broadcasting (Convergence of Broadcasting and Mobile Service: DVB-CBMS) system, which is another portable broadcasting standard organization, will be described. In the first embodiment of the present invention to be described below, the architecture and terms used in the OMA will first be described, and the architecture and terms used in the CBMS of the second embodiment map the architecture and terms of the portable broadcasting system of the first embodiment. I will explain.

Next, the portable broadcasting system according to the first embodiment will be described to assist in understanding the notification message. In the first embodiment, the names of entities defined in BCAST of the Open Mobile Alliance (OMA) will be used the same, but these standards and names do not limit the scope of the present invention and are applied to a system having a similar technical background. Of course it is possible.

First, a mobile terminal for receiving a broadcast service in a mobile broadcasting system should receive service guide (SG) 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 using the service guide information.

Hereinafter, a description will be given based on the OMA BCAST technology, which is one of the portable broadcast technology standards, to give a concrete example in the description of the present invention, but this description does not limit the content of the present invention.

1 is a diagram illustrating a component for transmitting a service guide to a mobile terminal in a portable broadcasting system according to a first embodiment of the present invention. Prior to the description of FIG. 1, interfaces used between components are shown in Table 1 below.

Referring to FIG. 1, a content provider 101 is a provider of a broadcast service (hereinafter, referred to as a BCAST service), and the BCAST service is a conventional voice / video broadcast service, a file download service of a music file, a data file, or the like. This can be The content provider 101 uses a service guide content creation source (hereinafter referred to as SGCCS) unit 102 to provide content information, performance information of a mobile terminal, and user profile necessary for constructing a service guide of a BCAST service. The service guide application source (hereinafter referred to as SGAS) of the BCAST Service Application (BSA) 104 is provided through the SG1 interface 103 of Table 1 above. To pass).

The BCAST Service Application (BSA) 104 receives the data of the BCAST service from the content provider 101 and processes it into a form suitable for the BCAST network to create BCAST service data. In addition, the BCAST service application 104 is responsible for generating standardized metadata required for portable broadcast guidance. The SGAS unit 105 will be described later through the interface SG2 106 various sources necessary for the configuration of the service guide, including the information received from the SGCCS unit 102, such as service and content detailed information, schedule information, location information, etc. A service guide generation (hereinafter referred to as SG-G) 109 of the BCAST Service Distribution / Adaptation (BSDA) 108 is transmitted.

The BSDA 108 is responsible for establishing a bearer for transmitting BCAST service data supplied from the BSA 104, determining a transmission schedule of the BCAST service, and generating portable broadcast guide information. . The BSDA 108 is a broadcast distribution system (BDS) 131 for transmitting BCAST service data through a broadcast channel and an interactive network (IN) 133 for supporting bidirectional communication through a bidirectional channel. Connected with

The service guide generated from the SG-G 109 is delivered to a terminal 119 through a service guide distribution unit (SG Distribution: SG-D) 110 and the SG-5 interface 117.

In FIG. 1, the BCAST subscription management unit (BCSM) 113 manages subscription information and service provision information for receiving a BCAST service and device information for a mobile terminal receiving the BCAST service. The Service Guide Subscription Source (SGSS) 114 of the BSM 113 provides SG4 sources such as subscription-related, provisioning-related sources and purchase information, and promotion-related information related to the creation of the service guide. The service 112 transmits the generated service guide to the SG-G 109.

The mobile terminal 119 is a terminal capable of receiving a BCAST service and has a function of being connected to a cellular network according to the capability of the terminal. The mobile terminal 119 includes a service guide client (SG-C) 120 to receive a service guide transmitted through the SG5 interface 117 or to send a notification through the SG6 interface 118. Receives a message and performs the appropriate operation for receiving BCAST service.

Tables 2 to 4 summarize the functions of the main components of FIG. 1 in the standard of the OMA BCAST service.

2 is a diagram showing a notification structure in the portable broadcasting system according to the first embodiment of the present invention.

The content provider (CC) 101 is a provider of a broadcast service, and the broadcast service may be a conventional voice / video broadcast service, a file (music file or data file) download service, or the like. The CC 101 notifies the change to the Notification Event Function (NTE) 201 located inside the BSA 104 when a problem or change occurs in the supply of the BCAST service.

The BSA 104 receives the BCAST service data from the CC 101 and processes it into a form suitable for the BCAST network to create BCAST service data, and generates standardized metadata for portable broadcast guidance. In charge. In addition, the CC101 receives the change in the service for BCAST and notifies the NTG 203 located in the BSM 113.

BSDA 108 is responsible for establishing a bearer for transmitting BCAST service data supplied from BSA 104, determining a transmission schedule of BCAST service, and generating a portable broadcast announcement. It is connected to the IN (133). In addition, the BSDA 108 has a Notification Distribution / Adaptation Function (NTDA) 202, receives a notification message from the BSM 113, and receives the notification message through the BDS 131 or the IN 133. Send to individual users or multiple users.

The BSM 113 manages subscription information and service provision information for receiving the BCAST service and device information on the equipment receiving the BCAST service. In particular, the BSM 113 has an NTG 203 to provide various types of mobile broadcasting services. Receives information on a notification event generated from a network entity and generates a notification message, or generates a notification message for a BCAST service itself event.

The terminal 119 is a terminal capable of receiving BCAST service and has a function of being connected to a cellular network according to the capability of the terminal. The terminal 119 receives a notification message transmitted through the NT5 interface 214 by a notification client function (NTC) 204 to perform an appropriate operation, or is transmitted through the NT6 interface 215. Receive a notification message and take appropriate action.

Next, interfaces between the logical entities will be described.

The NT-1 interface 211 is an interface between the NTE 201 and the CC 101 located in the BSA 104, and when an event requiring notification occurs in the CC 101, a corresponding notification event is transmitted to the NTE 201. To be used).

The NT-3 interface 212 is an interface from the NTE 201 located in the BSA 104 to the NTG 203 of the BSM 113, so that the NTG 203 can generate a notification message for the event. Carries information necessary to generate a notification or notification message.

The NT-4 interface 213 is an interface from the NTG 203 located in the BSM 113 to the NTDA 202 of the BSDA 108. The NT-4 interface 213 sends a notification message generated by the NTG 203 to the BDS 131 or IN ( It is used to transmit to NTDA 202 for transmission to 133, or NTDA 202 for the event when an event occurs in BSDA 108 or BDS 131.

The NT-5 interface 214 is an interface used when a notification message transmitted from the NTDA 202 of the BSDA 108 is directly transmitted to a terminal through a broadcast channel through a BDS. The NT-5 interface 214 transmits a notification message to a plurality of terminals. It is used to

The NT-6 interface 215 is an interface used when a notification message transmitted from the NTDA 202 of the BSDA 108 ?? is directly transmitted to the terminal 119 via the IN 133. Used to transmit.

The NT-B1 interface 216 is used for establishing a transmission path that the BSDA 108 will use in the BDS 131 or as a reception path for event information generated in the BDS 131. It is an interface between the BDS Service Distribution (BDS-SD) 130.

The NTE 201 transfers the information necessary for generating the notification message to the NTG 203 and, when the NTE 201 learns that an event that requires notification has occurred, transmits information on the event to the NTG 203. The NTG 203 receives the information and the event necessary for generating the notification message from the NTE 201 to generate the notification message, or when the notification event of the BDS 131 or the IN 133 is received through the NTDA 202. It generates a notification message and transmits it to the NTDA 202. When the notification message is generated, when it is necessary to notify the start of the service again, the CC 101 is notified that there is a change in the information of the service, and when it is necessary to transmit a new portable broadcast guide and the BDS ( 131) or when a special event occurs in the IN 133.

The NTDA 202 is responsible for transmitting a notification message through the NT-5 214 or the NT-6 215, and changes in information on a specific mobile broadcasting service from the BDS 131, for example, a wireless network. When receiving the adjustment of the transmission rate or the service unavailable due to the environment, it plays a role of delivering the notification event according to the NTG 203 through the NT-4 (213).

3 is a diagram illustrating a structure of service provisioning in the portable broadcasting system according to the first embodiment of the present invention. The service provisioning is in charge of user subscription to BCAST service and purchase of a subscribed service. It also provides additional information about payments and purchases, such as status information for user accounts.

Referring to FIG. 3, the broadcast service provisioning management (BSP-M) 301 function provides subscription and purchase information. Based on the user subscription information, the BSP-M 301 provides the charging information of the user to the related entity and supports the charging for the portable broadcasting service. The BSP-M 301 also requests for subscription and billing from the Broadcast Service Provisioing Client (BSP-C) 302 through the interface of the SP-7 311 and the SP-8 312. And reports. The BSP-C 302 plays a role of reporting on subscription and purchase of a mobile broadcast service. The BSP-C 302 may extract provisioning information from a service guide to request subscription and purchase, or request additional information. Descriptions of the SP-7 311 and the SP-8 312 are shown in Table 5 below.

Next, the message schema table used in the present invention will be described. Referring to Table 6 below, the name represents the name of the element value and the attribute value constituting the message. The type indicates whether the name is an element value or an attribute value. The element value has the same values as E1, E2, E3, and E4. E1 means the upper element value of the whole message. E2 means the lower element of E1. The value E3 represents the lower element value of E2 and E4 represents the lower element value of E3. Attribute values are denoted by A, where A represents the attribute value of the element. For example, A below E1 indicates an attribute value of E1. The category is used to distinguish whether the element or attribute value is mandatory or not, and if it is required, it has a value of M and an option of O. Cardinality represents the relationship between elements and has values of 0, 0..1, 1, 0..n, and 1..n. 0 means option, 1 means mandatory relationship and n means that it can have many values. For example, 0..n means that the element value may be absent or may have n values. Description indicates what the element or attribute value means and data type indicates the data type of the element or attribute value.

FIG. 4 is a block diagram illustrating a structure for transmitting a notification message in a portable broadcasting system according to a first embodiment of the present invention, and illustrates the entire process for receiving a notification message. In the description of this drawing, only the necessary elements of the contents described with reference to FIGS. 1 to 3 are included for convenience of description, and only a notification message transmission will be described.

Referring to FIG. 4, in step 401, the SG-G 109 generates a service guide including time, purchase, and access information related to a service and content, and then requests the service guide transmission from the SG-D 110. Thereafter, the SG-D 110 transmits the service guide to the terminal 119 in step 402. The service guide may be transmitted through a broadcast channel and a bidirectional channel through BDS or IN, respectively, and when transmitted through a broadcast channel, the terminal 119 receives the service guide from a session in which the service guide is transmitted. When transmitted through, the terminal receives the service guide by connecting to IN at the request of the terminal 119.
The SG-C 120 of the terminal 119 is responsible for receiving a service guide from the 110 SG-D 110, and the user confirms information about the service and the content therefrom. The user decides to subscribe and purchase a service, schedule, content, etc. through the service guide, and then proceeds with a request for service provisioning such as subscription and purchase through the BSP-C 302. Upon receipt of the notification message relating to the service, the BSP-C 302 requests subscription or termination of the BSP-M 301 in step 403.
The BSP-M 301 receives a request for user information (UserID), device ID (DeviceID), service and notification subscription information, and stores corresponding user information in the DB 411 in the BSM 113. do. A notification event may occur at various network entities for providing a portable broadcast service. In the figure, a notification event may occur in the CC 101, the BSA 104, the BSD / A 108, and the BSM 113. In the steps 404 to 406, the CC 101, the BSA 104, BSD / A 108 requests NTG 203 to generate a notification message.
NTG 203 creates a notification message for the received event. After generating the notification message, the NTG 203 checks the target address (TargetAddress) for transmitting the notification message from the DB 411 and generates a request message for message delivery. If there is a user who subscribes to a message through a bidirectional channel in connection with the service, a request message is created including address information that the user can receive.

The NTG 203 requests the NTDA 202 to deliver a notification message in step 407. NTDA 202 forwards the notification message to NTC 204 in step 408. At this time, the message is transmitted to the broadcast channel or the bidirectional channel according to the target address.

The notification message can be largely divided into a notification service and a notification message as an auxiliary means related to the service. After receiving the service guide, a method of recognizing a notification service or a service-related notification message by a terminal or a user is as follows. In this case, the notification service means a service consisting purely of notification. For example, today's weather information, today's English word means a service that sends a daily notification message, such as SMS or MMS. The notification message as an auxiliary means is not an independent service but a main program, and there is a service to assist him. For example, there is a service such as 'Top 10'. When sent to the recipient and collected, the notification message for this vote is the notification message as an aid. In other words, a notification service refers to a service consisting only of a notification, and a notification message as an auxiliary means means a notification message that has a main program and can occur in this program.
In the case of the notification service, the terminal recognizes that the corresponding service is a notification service when the service type in the service fragment of the service guide has a notification value.
Next, when a notification message is transmitted to a corresponding service in connection with a service, the terminal accesses a fragment associated with a service when the notification fragment (Access Fragment) includes a value of a notification reception (904) element. In the case where the element value of the service class 903 of the Fragment is sdo.oma.nt or similarly, a URI value indicating the notification value exists, and the service fragment or the purchased item fragment ( If there is an element value or attribute value of the corresponding fragment indicating that the notification message such as NTviaInteraction can be received in the PurchaseItem Fragment, it can be recognized that the notification message can be received in relation to the corresponding service.

5A to 5D are detailed embodiments of a service guide including a notification value in the portable broadcasting system according to the first embodiment of the present invention. In addition, since the connection fragments in FIGS. 5A to 5B are shown in FIGS. 9 and 9B, the following description will be made in detail.

In the case of FIG. 5A, a notification message associated with a corresponding service in a form of containing notification reception information in an access fragment 901 may include a notification reception 904 element value. The access information of the notification transmitted to the broadcast channel is included, and the access type 902 contains information related to the service.

In the case of FIG. 5B, an access to a service and a notification message is differently included. The purpose of which the information of the corresponding access is classified depends on the value of the service class 903. As an example of a file delivery service, an access type of access in which a service class 903 is sdo.oma.fd includes access information for downloading a file, and a service class 903. An access type 902 of access having sdo.oma.nt contains access information for receiving a notification.

In the case of Figure 5c, a service configuration (ServicType) of the service fragment (Service Fragment) is a configuration example of a service consisting only of receiving a Notification message (Notification Service), a difference from 5a is that NotificationReception exists separately in Access Fragment Instead, AccessFragment itself is an example that contains address information for receiving notification messages. In the case of FIG. 5D, when a service of a specific schedule is subscribed / purchased, the corresponding service includes a notification.
As described above, the service type (Service Type) is a notification service (NotificaitonService), or the access includes a notification reception (904), or the service class (Access) 903 of the access is sdo. In the case of oma.nt, it can be recognized that the service is related to Notification.

FIG. 6 is a signal flowchart illustrating a case in which a notification message is subscribed through a bidirectional channel in the portable broadcasting system according to the first embodiment of the present invention. Referring to FIG. 6, the terminal 119 receives a service guide in step 601. Thereafter, the terminal 119 confirms the notification contents from the service guide received in step 602 using the service guide as described in FIG. 5 and receives a notification in the bidirectional channel upon subscription / purchase of the service. Determine whether or not to subscribe to the notification message (Notification Message).

An example of a subscription request message for this is shown in Tables 7a to 7c below.

In step 603, the terminal 119 requests subscription or purchase of a notification message to the BSP-M 301 using the BSP-C 302. The BSP-M 301 then processes the subscription request message in step 604 and stores the service and user information. The BSP-M 301 processes the matter and transmits a response message to the BSP-C 302 in step 605. An example of the response message is shown in Table 8 below.

 If the terminal determines to cancel the notification message in step 611 after receiving the service, the BSP-C 302 requests the subscription and cancellation of the purchase in step 612. An example of the cancellation request message is shown in Table 9 below.

The BSP-M 301 processes the release request in step 613 and then provides a response message to the BSP-C 302 in step 614. An example of the response message is shown in Table 10 below.

FIG. 7 is a diagram illustrating a generation and request process of a notification message event in a portable broadcasting system according to a first embodiment of the present invention. In FIG. 7, the NTG 203 receives a notification event or receives a notification event. It shows the flow up to the process of creating a message and requesting a message transmission for the notification event occurred within 113).

Referring to FIG. 7, in operation 701, the NTG 203 receives a notification event from the BSM 113 or receives a notification event from another network entity. Here, <Table 11a> to <Table 11c> show a message that a network entity (CC, BSA, BSD / A) makes a request for generating a notification message when a notification event occurs. In addition, Table 12 below shows an example of a response message to the request message.

If a notification event occurs or a notification event is received from another network entity, the NTG 203 generates a notification message in step 702. Then, in step 703, it is determined through which path to send the notification message. The notification message may be delivered in a broadcast channel, a bidirectional channel, or a broadcast / bidirectional channel. In case of sending a notification message to the broadcast channel 710, in step 711, a target session address (TargetSession Address) to which the notification message is sent is checked. In step 712, a delivery request message for requesting delivery of a notification message including a target address is generated, and in step 713, the NTDA 202 is requested to transmit a notification message.

On the other hand, if the notification message is transmitted through the bidirectional channel 720, in step 721, the target user address of the user who agrees to receive the notification message through the bidirectional channel / subscribes is checked. Thereafter, in step 722, a transmission request message for requesting transmission of the notification message to the NTDA 202 is created, including target addresses of all users associated with the notification message. At this time, if there are a large number of users, the transmission request message may be written in a plurality of requests for the same notification message. Thereafter, in step 723, the notification delivery request message is transmitted to the NTDA 202.

8 is a flowchart illustrating a process until the NTDA 202 receives a request for transmission of a notification message from the NTG 203 and delivers the message to the terminal. Referring to FIG. 8, the NTDA 202 receives a transmission request message for a notification message in step 801. The following Table 13a to Table 13c show an example of a request message for transmitting a notification message to the NTG 203 by the NTG 203, and the following Table 14 shows an example of a response message thereto. It was.

The NTDA 202 checks a target address included in the request message in step 802. In operation 803, the target address information is determined to determine a broadcast channel or an interaction channel for transmission. When transmitting to the broadcast channel 810, in step 811, after confirming session information such as an IP address from target address information in the request message, a notification message is transmitted to the corresponding session.

In contrast, in the case of the interactive channel 820, the type of the target address is determined in step 821. Then, in step 822, the transmission method is determined according to the type of the target address, and a notification message is transmitted.

Tables 15 to 17 show an example for subscribing or canceling a notification message for each service in the notification message subscription described in FIG. 6.

<Table 15> is a message when choosing to receive notification message for a specific service among the services included in a bundle when purchasing a PurchaseItem or a service bundle. The element values and the attribute values of the corresponding <Table 15> When the service is registered in step 603 of FIG. 6, the service is included in the request message and transmitted. If you want to receive a notification message for each ServiceID, the Notification attribute is set to TRUE. If you do not want to receive a notification message, it is set to FALSE and sent.

<Table 16> is a message for canceling a notification message for a specific service among a PurchaseItem or a service bundle, and the element values of the <Table 16> and the attribute values thereof are shown in FIG. When the service is terminated in step 612, it is included in the request message and transmitted. If you want to cancel the notification message for each ServiceID, the notification attribute value is set to TRUE. If the value is FALSE or there is no value, it means that the user is currently subscribed. If a user cancels a corresponding PurchaseItem or a service bundle, all related services and notification messages are terminated without having to select each service through Table 16 above. However, if you want to cancel the notification message for a specific service while maintaining the subscription status of PurchaseItem and service bundle, <Table 16> and <Table 17> are included in the cancellation message and the attribute values of <Table 17>. Is checked as TRUE and can be selected for each service through <Table 16> when a notification message is received.

FIG. 10 is a view illustrating an example screen of a user terminal through a service guide receiving method in a mobile broadcasting system according to a first embodiment of the present invention. And the flow of operation.

After receiving the service guide, the user terminal can check the information on the service and the content, and can check the service bundle information through the purchase item information. That is, the service guide content is displayed on the terminal screen 1001 so that the user can check the service content. The terminal screen 1001 is an example screen for a sports channel bundle. Reference numeral 1011 denotes a service bundle name as a title of a purchase item, and reference numeral 1013 denotes a list of services included in the bundle.
Reference numerals 1012 and 1014 confirm whether or not a notification message is provided through interaction for each service. In this example, only ESPN and SBS Sports provide a notification message through interaction. When the user subscribes to the service through the reference numeral 1015 button, the user moves to the subscription message creation screen as shown by the reference numeral 1002. If a user wants to receive a notification message through interaction for a specific service, the user selects it from a check box of 1024 and subscribes to a service and a related notification message through a reference 1025 button. The service is delivered to the BSM through a service provisioning subscription message including a subscription. Termination is also made through a similar method and will be omitted.

delete

delete

delete

delete

delete

delete

delete

delete

delete

delete

delete

The second embodiment describes a method of transmitting a notification message in a digital video broadcasting (Convergence of Broadcasting and Mobile Service: DVB-CBMS) system which is a portable broadcasting standard organization.

Terms for the network architecture and interface used in the second embodiment of the present invention, and information transmitted between the network and the terminal will be described by mapping them to terms used in the DVB-CBMS WG. It is described to show that the present invention can be applied to a broadcasting system, and the gist of the present invention is not changed.

FIG. 11 is a diagram illustrating an electronic service guide (ESG) transmission structure of a CBMS mapped to FIG. 1. Definitions of network entities used in FIG. 11 are shown in Table 18 below. <Table 18a> and <Table 18b> are classified for convenience. Among the entities shown in FIG. 11, an important entity in the present invention is a 'Specific Logical ESG Aggregator', which is a function of combining the SG-D 110 and the SG-G 109 of FIG. 1, that is, generating and transmitting an ESG. .

FIG. 12 is a diagram corresponding to FIG. 2 based on OMA, showing a structure of network entities for transmitting a notification message in a CBMS.

Referring to FIG. 12, a content creation (CC) 1201 is a provider of a broadcast service, and the broadcast service may be a conventional voice / video broadcast service, a file (music file or data file) download service, or the like. Can be. When a problem or change occurs in the supply of a broadcast service, the CC 1201 transmits the change to a notification event function (NEF) 1202a inside a broadcast service application (SA) 1202. Notify. The NEF 1202a transmits a notification message event to a notification generation function (NGF) 1203a based on the received event.

The SA 1202 receives the content data of the broadcast service from the CC 1201 and processes it into a form (for example, streaming audio / video or movie download) suitable for a broadcast network, and serves to create broadcast service data. It is responsible for generating standardized metadata required for the guide, and for generating charging information according to users. In addition, the CC 1201 is notified of the change in the broadcast service, and delivers a notification event to the notification message generation unit NGF 1203a located inside the broadcast service management unit (Service Management: SM) 1203, the notification message The service guide attribute information used to generate the information is provided to the notification message generator 1203a.

The SM 1203 plays a role of determining a transmission schedule of a broadcast service supplied from the broadcast service application 1202 and generating a service guide. The SM 1203 supports a DVB-H network 1206 and a bidirectional channel supporting a broadcast channel. It is connected to the supporting Interaction Network (Interaction Network) 107. In addition, the SM 1203 has a Notification Distribution / Adaptation Function (NDAF) 1203b therein, and receives a notification message from the SM 1203, thereby receiving a broadcast network 1206 or a linked network ( In step 1207, a notification message is transmitted to one terminal or a group of terminals. The SM 1203 has session information necessary for the notification message generation unit 1204a to generate a notification message for a terminal, and the session information is sent from the notification distribution / adaptive unit 1203b to the notification message generation unit 1203a. Is provided.

The SM 1203 manages service provisioning information such as subscriber information for receiving a broadcast service and information on whether the subscriber has purchased related content, and device information for terminals receiving the broadcast service. The user billing information is transmitted to the service application 1202 and the subscription information, service provision information, and device information are provided to the broadcast network 1206 and the interworking network 1207. In particular, the broadcast service management unit 1203 includes a notification generation function (NGF) 103a, so that the content provider 101, the service application 1202, the service management unit 1203, and the broadcast network 1206 are provided. A notification message for the notification event is generated when an event such as a new function has been added or changed, or information indicating that the broadcast is provided after a predetermined time is provided. Create a notification message for your own event.

The broadcast network 1206 is a network for transmitting a broadcast service. As an example, the present disclosure will be described with reference to DVB-H. When a change occurs in transmitting a broadcast service, the broadcast network 1206 notifies the SM 1203 to the SM 1203 through the CBMS-6 interface 1224a or the X-3 interface 124b. do.

The interworking network 1207 exchanges control information and additional information related to transmitting a broadcast service one-to-one or receiving a broadcast service in both directions, and may be an existing cellular network such as 3GPP wideband code division multiple access (WCDMA). Can be.

The terminal 1208 is a terminal capable of receiving a broadcast service and has a function of being connected to a cellular network according to the capability of the terminal. In the description of the present invention, it is assumed that the terminal can be connected to the cellular network. The terminal 1208 is sent by a Notification Client Function (NCF) 1208a. Receive a notification message sent through the CBMS-5 interface 1225 to perform an appropriate operation, or receive a notification message sent through the CBMS-4 interface 1226 to perform an appropriate operation.

Next, interfaces between respective block configurations of the portable broadcasting system will be described.

The CBMS-7 interface 1222 is an interface from the NEF 1202a located in the broadcast service application 1202 to the NGF 1203a of the SM 103, so that the NGF 1203a can generate a notification message. Conveys information necessary for generating a notification or a notification message (for example, attribute information of a service guide).

The CBMS-3 interface 1225 is an interface used when a notification message transmitted from the NDAF 1203b of the SM 1203 is directly transmitted to the terminal 1208 through a broadcast channel via the broadcast network 106. It is used to send a notification message to a terminal or multiple terminals.

The CBMS-4 interface 1226 uses the broadcast channel provided by the notification message transmitted from the NDAF 1203b of the SM 1203 to the terminal 1208 via the interworking network 1207 or through a dedicated channel 1207. An interface used when sent directly to the terminal 1208, which is used to send a notification message to one terminal or multiple terminals.

The CBMS-6 interface 1224a is the SM 1203 and the broadcast network, which is used by the SM 1203 to set up a transmission path that will be used by the broadcast network 1206 or as a reception path for event information generated in the broadcast network 1206. 1206 is the interface between.

The X-3 interface 1224b is an interface used for setting a transmission path to be used between the SM 1203 and the interworking network 1207.

The CBMS-1 interface 1233 is an interface on which a control signal of a broadcast network is to be delivered to a terminal, and a control signal channel called PSI / SI (Program Specific Information / Service Information) corresponds to the DVB-H.

The NEF 1202a transfers the information necessary for generating the notification message to the NGF 1203a, and when the event requiring the notification occurs, the NEF 1202a transmits information on the event to the NGF 1203a. The NGF 1203a receives the information and events necessary for generating the notification message from the NEF 1202a and generates a notification message, or generates a notification message when receiving the notification event of the broadcast network 1206 through the NDAF 1203b. To transmit to the NDAF 1203b. When the notification message is generated, when it is necessary to notify the start of the service again, the CC 1201 is notified that there is a change in the information of the service and when it is necessary to transmit a new service guide and the broadcast network ( 106) may occur when a special event occurs.

The NDAF 1203b transmits a notification message through the CBMS-31225 or the CBMS-41226. The NDAF 1203b changes the information on the specific mobile broadcasting service from the broadcasting network 1206, for example, a wireless network. When receiving the adjustment of the transmission rate or the service unavailable due to the environment, it plays a role of delivering the notification event accordingly to the NGF 1203a.

Compared with each entity of FIG. 2, each network entity corresponding to the notification message is omitted because the definition and name of the case of OMA and CBMS are the same. For the interface, NT-6 corresponds to CBMS-4 and NT-5 corresponds to CBMS-3.

FIG. 13 is a diagram related to service purchase of a CBMS corresponding to FIG. 3 based on OMA, and descriptions of each entity of FIG. 13 are shown in Table 19 below. Tables 19a and 19b are for convenience. to be.

Among the entities shown in FIG. 13 and Table 19, necessary elements of the present invention are a 'Subscription Management' entity, a 'Rights issuing' entity, and a 'Key management system agent' entity in the terminal.

Among the entities of FIG. 13 and Table 19, what is needed in the gist of the present invention is that the roles of the 'Subscription Management' entity and the 'Rights issuing' entities are mapped to the roles of the BSP-M of FIG. 3, and the 'Key management system agent' entity is shown in FIG. It corresponds to BSP-C of 3.

FIG. 14 is a diagram corresponding to FIG. 4 based on OMA, and illustrates signaling corresponding to each of the signaling 402, 403, 405, and 408 between each network entity described in FIG. 4. That is, reference numerals 402, 408, 403, and 405 of FIG. 4 correspond to 1450, 1460, 1470, and 1440 of FIG. 14, respectively.

FIG. 15 is a diagram corresponding to a CBMS-based ESG data model fragment corresponding to FIG. 5. However, in FIG. 15, the fragment corresponding to the purchase item (PurchaseItem) is omitted since there is no role to perform according to the gist of the present invention. Referring to each fragment, the 'Service' fragment of FIG. 5 corresponds to the 'Service' fragment in FIG. 15 and the 'Access' fragment corresponds to the 'Acquisition' fragment.
Looking at each element value and attribute value in the fragment, 'ServiceType' is 'ServiceType', 'AccessType' is 'SessionDescription', 'ServiceClass' is 'ComponentCharacteristic', and 'NotificationReception' is 'NotificationReception'. admit. That is, in FIG. 15, 'NotificationService' may be defined as one kind of general ServiceType in 'ServiceType', and the corresponding connection is defined in SessionDescription 'as shown in FIG. 5 containing access information for accessing a notification message. Information can be mapped and can be mapped to indicate that the component type of the corresponding acquisition fragment is a notification message by defining a NotificationComponentType in addition to video, audio, and file using a 'ComponentCharacteristicType' element such as 'ServiceClass' indicating a notification message service class. .

Table 20a below shows an example of the XML schema of the newly defined NotificationComponentType, and has a notification type (NotificationType) as an element value.

It may also be configured as shown in Table 20b below. In Table 20b, NotificationType is defined as a component of NotificationComponentType, and it can be used in plurality. It is also possible to add other components that can define NotificationComponent. "Esg: ComponentCharacteristicType" in Table 20b below is a part of the basic component defined in the current DVB-CBMS ESG spec (ETSI TS 102 471), and it is used like the existing VideoComponentType or AudioComponentType. It was.

Table 21 below is an example of a notification message subscription request message tailored to a CBMS network according to the gist of the present invention, which is mapped to Table 7 above, and Table 21b below shows the services of Table 15 below. Includes an embodiment that enables subscription by ID. In the red italic part of <Table 21> below, it is added to request notification message subscription.

The following <Table 22> is an example of a notification message termination request message, which is a result of mapping the termination messages of <Table 9>, <Table 16>, and <Table 17> to the CBMS network. As shown in Table 22b, each service ID can be used to individually terminate the applied notification message. If it is not necessary to cancel each service ID, Table 22a cancels the notification of the entire Purchase Item. Will be the same as the embodiment. Also, when canceling a general service, if you do not want to cancel the notification message related to the service, use the 'KeepSubscription' attribute value as shown in <Table 22c> to close the main service and provide it with the main service. The notification message may not be canceled.

7 and 8 are used in the CBMS-based embodiment as it is, so a detailed description thereof will be omitted.

FIG. 16 illustrates elements of the ESG data model described with reference to FIG. 15 by mapping the ESG data model of FIG. 9 of the OMA-based embodiment to the CBMS ESG data model. Referring to FIG. 16, it can be seen that 'NotificationComponentType' 1603 is newly defined to indicate an Acquisition fragment for a notification message in Component Characteristic.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the scope of the following claims, but also by the equivalents of the claims.

As described above, the present invention can transmit a notification message in a bidirectional channel as well as a broadcast channel by defining a notification message in a bidirectional channel. In addition, a method of confirming that there is a notification message as a service or an auxiliary means of the service from the service guide, and through this, subscription and termination of the notification message can be performed.

Claims (27)

A method for transmitting a notification message in a portable broadcasting system supporting a bidirectional channel, When a notification event occurs, the first means for managing subscription information of the terminal generates a notification message, and generating at least one transmission request message including a target address of the terminal to which the generated notification message is to be transmitted. 1 course, And transmitting, by the second means for transmitting the notification message, a channel for transmitting the notification message to the corresponding terminal based on the target address to transmit the notification message. . The method of claim 1, wherein the second process, When the notification message is transmitted through the bidirectional channel, checking an address type of the corresponding terminal based on the target address; And transmitting the notification message to the corresponding terminal through the bidirectional channel according to the address type. The method of claim 1, wherein the second process, When the notification message is transmitted through a broadcast channel, checking a target session address for the broadcast channel based on the target address; And transmitting the notification message to the corresponding terminal through the broadcast channel according to the target session address. The method of claim 1, Receiving, by the first means, a message requesting subscription or purchase of the notification message from the corresponding terminal; And processing a message for requesting subscription or purchase of the notification message and storing subscriber information of the corresponding terminal. The method of claim 1, Receiving, by the first means, a message requesting subscription or purchase of the notification message for each service from the corresponding terminal; And processing a message for requesting subscription or purchase of the notification message and storing corresponding service information and subscriber information of the corresponding terminal. The method of claim 1, Receiving, by the first means, a message requesting termination of reception of notification messages of all services from the corresponding terminal; And disabling the notification message transmission of all the services to the corresponding terminal. The method of claim 1, Receiving, by the first means, a message requesting termination of reception of a service-specific notification message from the corresponding terminal; Canceling the transmission of the notification message of the service for which the termination is requested, to the corresponding terminal. The method of claim 1, wherein the target address, And a channel information for transmitting the notification message for each terminal, and an address type according to the transmission channel. An apparatus for transmitting a notification message in a portable broadcasting system supporting a bidirectional channel, First means for managing subscription information of a terminal, generating a notification message when a notification event occurs, and generating at least one transmission request message including a target address of a corresponding terminal to which the generated notification message is to be transmitted; And a second means for determining a channel for transmitting the notification message to the corresponding terminal based on the target address, and transmitting the notification message. The method of claim 9, wherein the second means, When the notification message is transmitted using the bidirectional channel, the address type of the corresponding terminal is checked based on the target address, and the corresponding message is transmitted to the corresponding terminal through the bidirectional channel according to the address type. An apparatus for transmitting a notification message in a portable broadcasting system. The method of claim 9, wherein the second means, When the notification message is transmitted using a broadcast channel, the target session address for the broadcast channel is checked based on the target address, and the notification message is transmitted to the corresponding terminal through the broadcast channel according to the target session address. A notification message transmitting apparatus in a portable broadcasting system, characterized in that for performing an operation for transmitting. The method of claim 9, wherein the first means, And receiving and processing a message requesting subscription or purchase of the notification message from the corresponding terminal, and storing subscriber information of the terminal. Transmitting device. The method of claim 9, wherein the first means, And receiving and processing a message requesting subscription or purchase of the notification message for each service from the corresponding terminal, and storing the service and subscriber information of the corresponding terminal. An apparatus for transmitting a notification message in a portable broadcasting system. The method of claim 9, wherein the first means, Upon receipt of a message requesting termination of reception of notification messages of all services from the corresponding terminal, notification in the portable broadcasting system further performing an operation of terminating transmission of the notification messages of all services to the corresponding terminal; Message sending device. The method of claim 9, wherein the first means, When receiving a message requesting the termination of the reception of the service-specific notification message from the terminal, the mobile terminal further performs the operation of canceling the transmission of the notification message of the requested service to cancel the terminal; Notification message sending device. The method of claim 9, wherein the target address, And a channel information for transmitting the notification message for each terminal, and an address type according to the transmission channel. The method of claim 9, And the first means is a notification generation function (NTG), and the second means is a notification distribution / adaptation function (NTDA). A method for receiving a notification message in a portable broadcasting system supporting a bidirectional channel, Transmitting the subscription request message for receiving the notification message including the reception channel information of the notification message at the time of subscription / purchase of the service to the first means for managing the subscription information of the terminal after checking the notification from the service guide; Receiving a response message including whether to authenticate from the first means; And receiving the notification message transmitted according to the reception channel information after the authentication is completed. The method of claim 18, wherein the subscription request message for receiving the notification message, A notification message receiving method in a portable broadcasting system comprising service-specific identifier information and subscription and purchase information on receiving a notification message for the service. The method of claim 18, And transmitting to the first means a message requesting termination of reception of the notification message for all services. The method of claim 18, And transmitting to the first means a message requesting termination of the reception of the notification message for each service. An apparatus for receiving a notification message in a portable broadcasting system supporting a bidirectional channel, After checking the notification contents from the service guide, upon subscription / purchase of the service, a subscription request message for receiving a notification message including the reception channel information of the notification message is transmitted to an entity managing subscriber information of the terminal to receive authentication. The first means, And a second means for receiving the notification message transmitted according to the reception channel information after the authentication is completed. 23. The method of claim 22, wherein the subscription request message for receiving the notification message is The notification message receiving apparatus in the portable broadcasting system including service-specific identifier information and subscription and purchase information on receiving the notification message for each service. The method of claim 22, wherein the first means, And transmitting a message to the entity requesting termination of the notification message for all services. The method of claim 22, wherein the first means, And transmitting, to the entity, a message requesting termination of the reception of the notification message for each service. A method of transmitting and receiving a notification message in a portable broadcasting system supporting a bidirectional channel, Transmitting a subscription request message for receiving a notification message including the reception channel information of the notification message to the transmitter managing the subscription information of the terminal when the terminal checks the notification content from the service guide and then subscribes / purchases the service; And transmitting, by the transmitter, after performing authentication according to the subscription request message, storing subscription information of the terminal, and transmitting a notification message of a corresponding service based on the channel information when a notification event occurs. How to send and receive messages. An apparatus for transmitting and receiving a notification message in a portable broadcasting system supporting a bidirectional channel, A terminal which transmits a subscription request message for receiving a notification message including reception channel information of the notification message to a transmitter managing subscription information of the terminal after checking the notification contents from a service guide; And a transmitter for storing subscription information of the terminal according to the subscription request message and transmitting a notification message of a corresponding service to the terminal based on the channel information when a notification event occurs.

Images