KR20080041981A - Method and apparatus for transmitting/receiving of broadcasting service in digital broadcasting system - Google Patents

Abstract

A method and an apparatus for transmitting and receiving a service in a digital broadcasting system are provided to receive the selected service continuously when moving a user to another IP(Internet Protocol) platform. Different IP platforms(310,320) offer the mapping information(330) relating to the IP addresses by IP platforms in the same or similar service to a terminal. At the IP platform 1, the IP address 'h' is allocated to a service(311). At the IP platform 2, the IP address 'j' is allocated to a service(321). Because the services are the same or similar, IP address mapping information by IP platforms between the services is transmitted to the terminal. The terminal receives the mapping information and receives the desired service continuously at the changed IP platform by means of the mapping information although the IP platform is changed into another IP platform and vice versa.

Description

Method and apparatus for transmitting and receiving service in digital broadcasting system {Method and Apparatus for Transmitting / Receiving of Broadcasting Service in Digital Broadcasting System}

1 is a block diagram of a general portable digital video broadcasting system.

2 illustrates a relationship between an IP platform and a provider.

3 is a diagram illustrating an IP platform mapping method according to a first embodiment of the present invention.

4 is a flowchart of a network side for an IP platform mapping method according to a first embodiment of the present invention;

5A and 5B are flowcharts of a terminal side for an IP platform mapping method according to a first embodiment of the present invention.

6 illustrates a provider mapping method according to a second embodiment of the present invention.

7 is a flowchart of a network side for a provider mapping method according to a second embodiment of the present invention.

8A and 8B are flowcharts of a terminal side for a provider mapping method according to a second embodiment of the present invention.

9 illustrates an IP address mapping method in one IP platform according to the third embodiment of the present invention.

10 is a flow diagram of the network side for IP address mapping in one IP platform mechanism according to the third embodiment of the present invention.

11A and 11B are flowcharts of the terminal side for IP address mapping in one IP platform mechanism according to the third embodiment of the present invention.

12 illustrates a structure of a network according to an embodiment of the present invention.

13 is a view showing the structure of a terminal according to an embodiment of the present invention.

The present invention relates to a digital broadcasting system, and more particularly, to a method and apparatus for enabling a terminal to easily find a desired service.

Digital Video Broadcasting-handheld (DVB-H) Convergence of Broadcasting and Mobile Service (CBMS) system is one of the digital broadcasting systems. It is a service that provides more convenient functions through the combination of service and mobile communication. In recent years, as analog TV is converted to digital, HDTV-quality high-definition and CD-quality high-quality TV service can be enjoyed in the room. However, with the diversification of modern society, the activity and life patterns of viewers have changed from the past, and as portable devices such as mobile phones, PDAs, and notebook computers have become commonplace, the demand for enjoying clear-quality TV on the go is rapidly increasing. It is becoming. In addition, there is an effort to solve the limitation of the broadcasting network without the reverse channel by combining with mobile communication. DVB-H CBMS is the result of this effort.

The DVB-H CBMS is a system designed for a receiving terminal capable of using a mobile communication channel. The DVB-H CBMS includes a concept of handover supported by cell-based wireless communication as in the conventional mobile communication system. However, handover in a broadcasting network is different from handover in a mobile communication network which always manages subscribers. In the handover of a mobile communication system, a network receives a measurement report from a terminal for network management including handover while managing the individual users, but in a general broadcasting system, a broadcaster provides a service and content. But not every user is managed. That is, information for broadcast reception is also sent to all users using a broadcasting network and does not have a user management function. Therefore, the handover of the broadcasting network has a unique technical requirement that is distinguished from the handover of the mobile communication system.

1 is a block diagram of a general portable digital video broadcasting network system. The illustrated entities are logical entities that may or may not be physically distinct, and the logical entities may be combined into one or more physical entities. In addition, only the interfaces related to the main subject matter of the present invention are shown here. The system shown in FIG. 1 is for DVB-CBMS (Digital Video Broadcasting-Convergence of Broadcasting and Mobile Service) which is one of the portable broadcasting terminal standard apparatuses. For the sake of convenience, the notification broadcast structure of the DVB-CBMS will be described as an example.

Referring to FIG. 1, a content creation (CC) 110 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. The content provider 110 notifies the change event to the notification event generator in the broadcast service application (SA) 120 when a problem or change occurs in the supply of a broadcast service.

The broadcast service application 120 receives the content data of the broadcast service from the content provider 110 and processes it into a form suitable for a broadcast network (for example, streaming audio / video or movie download) to create broadcast service data. It is responsible for generating standardized metadata required for ESG and generating billing information according to users. In addition, the notification of the change in the broadcast service from the content provider 110 is delivered to the notification message generating unit located in the broadcast service management unit (Service Management: SM) 130, and used to generate the notification message The service guide attribute information is provided to the notification message generator.

The broadcast service manager 130 plays a role of determining a transmission schedule of a broadcast service received from the broadcast service application 120 and generating a service guide. The broadcast service manager 130 and a two-way communication capable of a broadcast service are provided. It is connected with a bi-directional network 150 supporting.

The broadcast service manager 130 manages service provision 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 broadcast service, The user 120 transmits the billing information to the application 120 and provides the subscription information, service provision information, and device information to the broadcast network 140 and the bidirectional network 150.

The broadcast network 140 is a network that transmits a broadcast service. In the present specification, DVB-H will be described as an example.

The bidirectional network 150 bidirectionally exchanges control information and additional information related to transmitting a broadcast service or receiving broadcast service in a one-to-one manner, and becomes an existing cellular network such as 3GPP wideband code division multiple access (WCDMA). Can be.

The terminal 160 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.

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

CBMS-x is an interface in the range of the IP datacast specification over DVB-H, and X-x is an interface outside the range of the IP datacast specification over DVB-H. Specifically, the CBMS-7 interface is an interface from the broadcast service application 120 to the broadcast service management unit 130, and the CBMS-3 interface is a terminal through the broadcast channel through the broadcast network 140 in the broadcast service management unit 130. Interface used when a message is directly sent to 160. In the CBMS-4 interface, a message transmitted from the broadcast service manager 130 is directly transmitted to the terminal 160 through a bidirectional network 150 through a dedicated channel with the terminal 160 or a broadcast channel provided by the bidirectional network 150. If used, this is the interface used. The CBMS-6 interface is broadcasted with the broadcast service manager 130, which is used as a setting of a transmission path that the broadcast service manager 130 will use in the broadcast network 140 or as a reception path for event information generated in the broadcast network 140. It is an interface between networks 140. The CBMS-1 interface is an interface on which a control signal of a broadcast network is to be delivered to a user equipment. In DVB-H, a control signal channel called PSI / SI (Program Specific Information / Service Information) corresponds to this. The X-3 interface is an interface used to set up a transmission path to be used between the broadcast service manager 130 and the bidirectional network 150. The X-2 interface is an interface used to set up a transmission path to be used between the terminal 160 and the bidirectional network 150. The X-1 interface is an interface used to set up a transmission path to be used between the content provider 110 and the service application 120.

On the other hand, if a user belonging to the DVB-H network moves from a reference network to a neighboring network, or moves to another IP platform (require definition of the IP platform), the user also moves to the moved network or IP platform. You must provide the service you are watching. The terminal must find and continue to receive the program from the network to which the user has moved before the handover. That is, when the transport stream is changed, it is necessary to find a transport stream in which the same service is provided in the mobile network or the IP platform. When the transport frequency is changed, the frequency information of the neighboring network or the IP platform must be known. Information necessary to perform the above process may be obtained through PSI / SI provided by the DVB broadcasting network. In this case, the detailed handover procedure and method are beyond the scope of the present invention and thus are not described in detail. Related topics include ETSI TR 101 211 Digital Video Broadcasting (DVB); It is described in detail in Guidelines on implementation and usage of Service information (SI).

The service identifier may play an important role in finding the program being watched in the process. The above concept is equally applicable to the movement between cells and the subcells and subcells. In addition, if there is no service previously watched by the user in the mobile network or IP platform, the terminal performs a process of searching for a service in the mobile network or IP platform that can replace the previously watched service. do. In this case, the alternative service refers to a service having the same composition but different characteristics depending on the region, such as news.

As described above, the portable digital video broadcasting terminal can allow the user to seamlessly watch the service selected by the user even when the user's location is changed, and can provide the user and the terminal with necessary information. However, according to the related art, the terminal does not find the correct service when the service identifier of the network before moving and the moving network is different. Similarly, if the service identifier of the IP platform and the IP platform moved before the movement is different, the terminal does not find the correct service. That is, when different networks or IP platforms assign different service identifiers to the same service, it is difficult to find a required service in the network or IP platform to which the terminal has moved.

An object of the present invention is to provide a method and apparatus for helping a terminal to find and maintain a service when the same or similar service exists in other IP platforms.

According to an embodiment of the present invention, in a method of providing a broadcast service to a terminal by a network in a digital broadcasting system, the process of collecting IP address information on a service provided from a plurality of IP platforms, and the collected IP And selecting a method of transmitting address information to the terminal, and transmitting the collected IP address information to the terminal in the selected manner.

In addition, according to an embodiment of the present invention, in a digital broadcasting system, a method for receiving a broadcast service from a network by a terminal, the method comprising: receiving IP address information on a service provided from a plurality of IP platforms, respectively, from the network; When the service currently being received is substantially the same service as the service provided by the other IP platform, checking the IP address information of the service provided by the other IP platform, and using the confirmed IP address information Receiving a service provided by another IP platform.

In addition, according to an embodiment of the present invention, in a method of providing a broadcast service to a terminal by a network in a digital broadcasting system, the process of collecting service ID information for each service provided from a plurality of providers, and the collected service And selecting a method of transmitting ID information to the terminal, and transmitting the collected service ID information to the terminal in the selected manner.

In addition, according to an embodiment of the present invention, in a digital broadcasting system, a terminal receiving a broadcast service from a network, the method comprising: receiving service ID information on a service provided from a plurality of providers, respectively, from the network; If the current service is provided by another provider, checking service ID information of the service provided from the other provider and continuing to receive the service from the other provider using the checked service ID information. It includes.

In addition, according to an embodiment of the present invention, in a method for providing a broadcast service to a terminal by a network in a digital broadcasting system, service ID and IP address information of a service provided from a plurality of providers existing in one IP platform, respectively Collecting the service ID and the IP address information, and transmitting the collected service ID and IP address information to the terminal in the selected manner. .

In addition, according to an embodiment of the present invention, in a method of receiving a broadcast service from a network by a terminal in a digital broadcasting system, a service ID for each service provided from a plurality of providers existing in one IP platform from the network, respectively. And a process of receiving IP address information, if the current receiving service is a service provided by another provider, checking service ID and IP address information of a service provided from the other provider, and checking the service ID and Continuing to receive a service from the other provider using IP address information.

In addition, according to an embodiment of the present invention, in the network apparatus for providing a broadcast service to a terminal in a digital broadcasting system, a service application unit for collecting content from sources and associated metadata to provide an application for a specific service; A service management unit for generating an electronic service guide (ESG) for the metadata rotor broadcasting service collected by the service application unit and managing roaming of a neighbor network of the terminal, wherein the service management unit includes different IP platforms; Mapping information about services provided from the service providers or different providers is collected from the IP platforms or the providers and provided to the terminal.

In addition, according to an embodiment of the present invention, a terminal apparatus for receiving a broadcast service from a network in a digital broadcasting system, comprising: a broadcast receiver for receiving a broadcast service or a signal from a broadcast network; And a mobility management and control unit for managing roaming to a neighbor network, wherein the broadcast receiver receives mapping information for services provided from different IP platforms or different providers from the network. The mobility management and control unit controls to receive a desired service from an IP platform other than the currently located IP platform or a provider other than the provider receiving the current service with reference to the mapping information.

Hereinafter, with reference to the accompanying drawings will be described in detail the operating principle of the preferred embodiment of the present invention. In the following description of the present invention, detailed descriptions of well-known functions or configurations will be omitted if it is determined that the detailed description of the present invention may unnecessarily obscure the subject matter of the present invention. Terms to be described later are terms defined in consideration of functions in the present invention, and may be changed according to intentions or customs of users or operators. Therefore, the definition should be made based on the contents throughout the specification.

In the present specification, a DVB-H CBMS is described as an example of a digital broadcasting system, but the present invention is not limited thereto and may be applied to other digital broadcasting systems.

One service may be identified by an IP address uniquely assigned within one IP platform, and may also be identified by a service ID assigned by a provider. In the present invention, the IP platform is mapped one-to-one with one service manager. The provider may be, for example, an ESG provider and a service provider, which are included in the service management unit and the service application unit, respectively.

2 illustrates a relationship between an IP platform and a provider.

As shown in FIG. 2, there may be more than one provider within one IP platform. That is, IP platform 1 210 may have providers 1, 2 (211, 212), and IP platform 2 220 may have providers 3, 4 (221, 222). In such an environment, there may be various methods for supporting the terminal to continue the service by providing mapping information of the service to the terminal according to the relationship between the IP platform and the provider. In the present invention, the mapping information of the service is stored in the service manager.

3 shows an IP platform mapping method according to the first embodiment of the present invention.

As shown in FIG. 3, the first embodiment of the present invention provides the terminal with mapping information 330 about IP addresses for each IP platform for the same or similar service on different IP platforms 310 and 320. That is, the IP platform 1 310 allocates the IP address 'h' to the service 311, and the IP platform 2 320 assigns the IP address 'j' to the service 321. However, since the service 311 and the service 321 are substantially the same or similar services, the network provides the terminal with IP platform-specific IP address mapping information 330 between these services 311 and 321. Then, the terminal receiving the mapping information uses the mapping information even if the IP platform is changed from the IP platform 1 310 to the IP platform 2 320 or the IP platform 2 320 to the IP platform 1 310. You can still receive the service you want even on the changed IP platform.

Table 1 shows mapping information provided to the terminal.

IP platform_id (actual) IP platform_id (other) type service IP address in actual platform IP address in other platform 1. The same 2. Deformation 3. Related

As shown in Table 1, the terminal only needs to consider mapping information of the IP address and the IP platform for the same or similar service. Here, the type represents a relationship between two services, and may be any one of the same (identical) representing the same service, a variation representing a variation of the same service, or an association representing the related service.

In addition, the network may define a new element as shown in Table 2 to provide mapping information.

<complexType name = ServiceMapping_IP platform "minOccur =" 0 "maxOccur =" unbounded "> <all> <element name =" IP_address_actual "type =" anyURI "> <element name =" IP platform_id_actual "type =" anyURI "> <element name = "IP_address_other" type = "anyURI"> <element name = "IP platform_id_other" type = "anyURI"> <element name = "type" type = "anyURI" </ all> </ complexType>

The new element of Table 2 may be added in a broadcast or interactive manner by ESG (eg, service fragment, acquisition fragment, etc.), notification, other signaling, or the like.

4 is a flowchart of a network according to the first embodiment of the present invention.

Referring to FIG. 4, the network collects service mapping information from different IP platforms in step 401, and selects a method of providing the mapping information in step 402. The scheme may include ESG, notification, other signaling, and the like as described above. In step 403, the network delivers the collected service mapping information to the terminal in the selected manner.

5A and 5B are flowcharts of a terminal according to the first embodiment of the present invention.

Referring to FIG. 5A, the terminal receives PSI / SI from the network in step 501 and receives an ESG, notification or other signal in step 502. In operation 503, service mapping information may be obtained from the received ESG, notification, or other signal. In this case, IP address mapping information between different IP platforms may be added to the IP / Mac notification table INT of the PSI / SI to display to the terminal.

In step 504, an IP address of another IP platform for a service currently received by the IP platform is searched from the obtained service mapping information. In operation 505, the service server continuously receives a desired service by changing to the found IP address.

In addition, the terminal may request service mapping information from the network.

That is, as shown in FIG. 5B, when the UE wants to continue to receive the service currently being received on another IP platform, the UE requests the service mapping information to the network in step 511 and receives the service mapping information requested in step 512. do. In step 513, the IP address of the other IP platform for the service currently received by the IP platform is searched from the obtained service mapping information. In operation 514, the service server continuously receives a desired service by changing to the searched IP address.

6 shows a provider mapping method according to a second embodiment of the present invention.

As shown in FIG. 6, the second embodiment of the present invention provides the terminal with service ID mapping information for the same or similar service from different providers.

That is, the provider 1 610 assigns the service ID 'A' to the service 611, and the provider 2 620 assigns the service ID 'B' to the service 621. However, since the service 611 and the service 621 are substantially the same or similar services, the network provides the terminal with service ID mapping information 630 for each provider between the services 611 and 621 to the terminal. Then, the terminal receiving the mapping information, even if the provider is changed from the provider 1 610 to the provider 2 620 or from the provider 2 620 to the provider 1 610, the desired service from the changed provider using the mapping information. Can continue to receive.

Table 3 shows mapping information provided to the terminal.

provider_id (actual) provider_id (other) type service serviceID in actual provider serviceID in other provider 1. The same 2. Deformation 3. Related

As shown in Table 1, the terminal needs to consider only the service ID and provider ID for the same or similar service. Here, the type represents a relationship between two services, and may be any one of the same (identical) representing the same service, a variation representing a variation of the same service, or an association representing the related service.

In addition, the network may define a new element as shown in Table 4 to provide mapping information.

<complexType name = ServiceMapping_provider "minOccur =" 0 "maxOccur =" unbounded "> <all> <element name =" serviceID _actual "type =" anyURI "> <element name =" provider_id_actual "type =" anyURI "> <element name = "serviceID _other" type = "anyURI"> <element name = "provider_id_other" type = "anyURI"> <element name = "type" type = "anyURI" </ all> </ complexType>

The new element of Table 4 may be added in a broadcast manner or interactive manner through an ESG (eg, service fragment, acquisition fragment, etc.), notification, other signaling, or the like.

7 is a flowchart of a network according to a second embodiment of the present invention.

As shown in FIG. 7, the network collects service mapping information from different providers in step 701, and selects a method of providing the mapping information in step 702. The scheme may include ESG, notification, other signaling, and the like as described above. In step 703, the network delivers the collected service mapping information to the terminal in the selected manner.

8A and 8B are flowcharts of a terminal according to a second embodiment of the present invention.

Referring to FIG. 8A, the terminal receives the PSI / SI from the network in step 801, and receives an ESG, notification or other signal in step 802. In operation 803, service mapping information may be obtained from the received ESG, notification, or other signal. In step 804, a service ID from another provider for a service currently received from the provider is searched from the obtained service mapping information. In operation 805, the service continually receives a desired service from another provider using the searched service ID.

In addition, the terminal may request service mapping information from the network.

That is, as shown in FIG. 8B, when the terminal wants to continuously receive the service currently being received from another provider, the terminal requests the desired service mapping information from the network in step 811 and receives the requested service mapping information in step 812. . In step 813, a service ID from another provider for a service currently received from the provider is searched from the obtained service mapping information. In operation 814, the service continually receives a desired service from another provider using the searched service ID.

The service mapping information providing method according to the first and second embodiments of the present invention described above may be used independently or simultaneously. However, when there are two or more providers in one IP platform, when two or more providers (for example, two ESG providers) provide the same or similar service, the third embodiment of the present invention described below will be described. Service information can be provided accordingly.

The service information providing method according to the third embodiment of the present invention can be classified into the following two cases.

First, even if the same service is provided by different providers, the IP platform assigns one unique IP address for that service. In this case, the terminal should consider the IP address. That is, if the IP address for each service serviced from different providers is the same, the terminal recognizes these services as the same service even if the providers have assigned different service IDs for the service.

Second, when the same service is provided by different providers, the IP platform allocates different IP addresses for each provider-specific service.

9 illustrates a provider mapping method according to a third embodiment of the present invention.

As shown in FIG. 9, there are two providers 910, 920 within one IP platform 900, and the same or similar services 911, 921 are provided by these providers 910, 920. The IP platform 900 allocates different IP addresses for the provider-specific services 911 and 921. That is, the IP platform 900 allocates the IP address 'h' to the service 911 (service ID: A) of the provider 1 910 and assigns the IP address 'h' to the service 921 of the provider 2 920 (service ID: B). The IP address 'j' is assigned.

In this case, in order to support service continuity, the network provides the terminal with service ID mapping information 940 between different providers 910 and 920, or provides IP address mapping information 930 within one IP platform 900. Can provide.

In this case, the IP address mapping information 930 provided to the terminal is shown in Table 5 below.

IP platform_id (actual) type Provider id (actual) Provider id (other) service IP address for one provider IP address for other provider 1. The same 2. Deformation 3. Related

In Table 5, the type represents a relationship between two services, and may be any one of the same (identical) representing the same service, a variation representing a variation of the same service, or an association representing the related service.

In addition, the network may define a new element as shown in Table 6 to provide mapping information.

<complexType name = ServiceMapping_within IP platform "minOccur =" 0 "maxOccur =" unbounded "> <all> <element name =" provider_id_actual "type =" anyURI "> <element name =" IP_address_1 "type =" anyURI "> <element name = "IP_address_2" type = "anyURI"> <element name = "type" type = "anyURI" </ all> </ complexType>

Table 6 lists the mapping IP addresses for the same or similar services within one IP platform. In this case, provider information may be added to indicate each IP address for each provider.

In addition, when there are two or more mapping IP addresses, two mapping IP addresses may be enumerated as shown in Table 7 below.

<complexType name = ServiceMapping_within IP platform "minOccur =" 0 "maxOccur =" unbounded "> <all> <element name =" provider_id_actual "type =" anyURI "> <element name =" IP_address_1 "type =" anyURI "> <element name = "provider_id_1" type = "anyURI"> <element name = "IP_address_2" type = "anyURI"> <element name = "provider_id_2" type = "anyURI"> <element name = "type" type = "anyURI" < / all> </ complexType>

The new element of Table 4 may be added in a broadcast manner or interactive manner through an ESG (eg, service fragment, acquisition fragment, etc.), notification, other signaling, or the like.

10 is a flowchart of a network according to a third embodiment of the present invention.

Referring to FIG. 10, the network collects mapping information of a service in one IP platform in step 1001, and selects a method of providing the mapping information in step 1002. The scheme may include ESG, notification, other signaling, and the like as described above. In step 1003, the network delivers the collected service mapping information to the terminal in the selected manner.

11A and 11B are flowcharts of a terminal according to a third embodiment of the present invention.

Referring to FIG. 11A, the terminal receives PSI / SI from the network in step 1001, and receives an ESG, notification or other signal in step 1002. In step 1003, service mapping information is obtained from the received ESG, notification, or other signal. In step 1004, an IP address from another provider for a service being received from a current provider in one IP platform is retrieved from the obtained service mapping information. In step 1005, the service is continuously received from another provider using the searched IP address.

In addition, the terminal may request service mapping information from the network.

That is, as shown in FIG. 11B, when the terminal wants to continuously receive the service currently being received from another provider, the terminal requests the desired service mapping information from the network in step 1111 and receives the service mapping information requested in step 1112. . In operation 1113, an IP address from another provider for a service currently received from a provider in one IP platform is searched from the obtained service mapping information. In step 1114, the service continues to receive a desired service from another provider using the searched IP address.

In addition, in the third embodiment of the present invention, for fast and efficient service reception change of the terminal, other information such as frequency, network, cell ID, etc., except for the mapping IP address and the service ID may be transmitted to the terminal.

12 simply illustrates a structure of a network according to an embodiment of the present invention.

Referring to FIG. 12, service application 1210 collects content from multiple sources and their associated metadata, provides head-end application logic, and delivers streaming or file carousel to provide a particular service application. Provides content encoded in a format understood by the terminal, and generates metadata to be used for the ESG. Service application 1210 may exist for each application provided for the IP datacast.

The service manager 1220 includes an ESG provider 1221, a service configuration / resource allocator 1222, a security / service protection provider 1223, and a mobility manager 1224 as subordinate entities. The mobility manager 1524 may communicate with the other three entities 1221 to 1223 to support the roaming process, send and receive roaming proposals and responses, and communicate with other entities and subordinate entities to support the roaming process, Communicate with the mobility management unit of another network for information exchange. The service configuration / resource allocation unit 1222 registers competing service applications to obtain the bandwidth of the broadcast bearer, allocates services to the point and bandwidth associated with the broadcast network type, and schedules the services over time. The ESG provider 1221 collects ESG (metadata information) fragments from the service applications 1210. The security / service protection provider 1223 manages user access to the service applications 1210.

13 is a schematic diagram showing the structure of a terminal according to an embodiment of the present invention.

Referring to FIG. 13, the DVB-H receiver 1310 is responsible for receiving and restoring a DVB-H broadcast signal. The interactive adapter 1320 is in charge of providing a service using a mobile communication network. The mobility management unit (MM) 1330 manages a change in the reception environment according to the movement of the terminal. The subscription manager 1340 manages the acquisition of rights, keeps track of the rights acquired for the terminal, and manages decryption of service contents. The content consumption unit 1350 transmits the received broadcast service to the user.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

In the present invention operating as described in detail above, the effects obtained by the representative ones of the disclosed inventions will be briefly described as follows.

The present invention can provide the terminal with service mapping information between different providers assigned to the same or similar service in the digital broadcasting system, thereby providing the terminal with continuity of service.

Claims (30)

In the digital broadcasting system, a network providing a broadcast service to a terminal, Collecting IP address information on services provided from a plurality of IP platforms, respectively; Selecting a method of transmitting the collected IP address information to the terminal; And transmitting the collected IP address information to the terminal in the selected manner. The method of claim 1, The IP address information may include IDs of the IP platforms that provide substantially the same or similar services, and IP addresses for which the service is provided for each IP platform. The method of claim 1, The process of selecting the transmission method, A broadcast service providing method of selecting one of an electronic service guide (ESG) or a notification message or signaling. The method of claim 3, And before the collecting, receiving the request message for the IP address information from the terminal. In the digital broadcasting system, the terminal receives a broadcast service from the network, Receiving, from the network, IP address information for a service provided from a plurality of IP platforms, respectively; Checking the IP address information of the service provided by the other IP platform when the service currently being received is substantially the same as the service provided by the other IP platform, And receiving a service provided by the other IP platform using the confirmed IP address information. The method of claim 5, The IP address information may include IDs of the IP platforms that provide substantially the same or similar services, and IP addresses for which the service is provided for each IP platform. The method of claim 5, Receiving the IP address information, Broadcast service receiving method for receiving the address information through an electronic service guide (ESG) or a notification message or signaling. The method of claim 3, And transmitting the request message for the IP address information to the network before receiving the IP address information. In the digital broadcasting system, a network providing a broadcast service to a terminal, Collecting service ID information for each service provided from a plurality of providers; Selecting a method of transmitting the collected service ID information to the terminal; And transmitting the collected service ID information to the terminal in the selected manner. The method of claim 9, The service ID information includes a service ID provided by each provider and IDs of the providers that provide substantially the same or similar services. The method of claim 9, The process of selecting the transmission method, A broadcast service providing method of selecting one of an electronic service guide (ESG) or a notification message or signaling. The method of claim 11, Before the collecting process, further comprising the step of receiving a request message for the service ID information from the terminal. In the digital broadcasting system, the terminal receives a broadcast service from the network, Receiving, from the network, service ID information for each service provided from a plurality of providers; If the current service is provided by another provider, checking service ID information of the service provided by the other provider; And receiving a service from the other provider by using the checked service ID information. The method of claim 13, The service ID information includes a service ID provided by each provider and IDs of the providers that provide substantially the same or similar services. The method of claim 13, The process of receiving the service ID information, Broadcast service receiving method for receiving the address information through an electronic service guide (ESG) or a notification message or signaling. The method of claim 15, And transmitting a request message for the service ID information to the network before receiving the service ID information. In the digital broadcasting system, a network providing a broadcast service to a terminal, Collecting service ID and IP address information for each service provided from a plurality of providers existing in one IP platform; Selecting a method of transmitting the collected service ID and IP address information to the terminal; And transmitting the collected service ID and IP address information to the terminal in the selected manner. The method of claim 17, The service ID and IP address information, the broadcast service providing method comprising the ID of the providers providing substantially the same or similar service and the IP address of the service provided for each provider. The method of claim 17, The process of selecting the transmission method, A broadcast service providing method of selecting one of an electronic service guide (ESG) or a notification message or signaling. The method of claim 17, Before the collecting process, further comprising the step of receiving a request message for the service ID and IP address information from the terminal. In the digital broadcasting system, the terminal receives a broadcast service from the network, Receiving, from the network, service ID and IP address information for each service provided from a plurality of providers existing in one IP platform; If the current service is provided by another provider, checking the service ID and IP address information of the service provided by the other provider; And continuing to receive a service from the other provider using the checked service ID and IP address information. The method of claim 20, The service ID and the IP address information, the broadcast service receiving method including the ID of the providers providing substantially the same or similar service and the IP address of the service provided for each provider. The method of claim 20, The process of receiving the service ID and IP address information, Broadcast service receiving method for receiving the address information through an electronic service guide (ESG) or a notification message or signaling. The method of claim 20, And transmitting a request message for the service ID and IP address information to the network before receiving the service ID and IP address information. A network apparatus for providing a broadcast service to a terminal in a digital broadcasting system, A service application unit for collecting contents from sources and related metadata to provide an application for a specific service; A service management unit for generating an electronic service guide (ESG) for the metadata rotor broadcasting service collected by the service application unit and managing roaming of the terminal to a neighbor network; The service manager is configured to collect mapping information for services provided from different IP platforms or different providers from the IP platforms or the providers and provide the terminal to the terminal. The method of claim 25, The mapping information, IDs of the providers providing substantially the same or similar services and service IDs provided by the providers, or IDs of the providers providing substantially the same or similar services and service IDs provided by the providers, or A network device including an ID of the providers providing substantially the same or similar services and an IP address of a service provided for each provider. The method of claim 25, The service manager, the network device to provide the mapping information to the terminal through one of the ESG or notification message or signaling. A terminal device for receiving a broadcast service from a network in a digital broadcasting system, A broadcast receiver for receiving a broadcast service or a signal from a broadcast network; A bidirectional adapter that receives bidirectional services or signals from the bidirectional network; Mobility management and control unit for managing roaming to neighboring networks, The broadcast receiver receives mapping information for services provided from different IP platforms or different providers from the network, The mobility management and control unit controls to receive a desired service from an IP platform other than a currently located IP platform or a provider other than a provider receiving a current service with reference to the mapping information. The method of claim 28, The mapping information, IDs of the providers providing substantially the same or similar services and service IDs provided by the providers, or IDs of the providers providing substantially the same or similar services and service IDs provided by the providers, or Terminal device including the ID of the providers providing substantially the same or similar service and the IP address of the service provided for each provider. The method of claim 29, And the broadcast receiver receives the mapping information from the network through one of the ESG or a notification message or signaling.

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