KR20180024970A - System for providing a broadcast service continuously and method for using the same - Google Patents

Abstract

Disclosed are a system and method for continuously providing a broadcast service. According to an embodiment of the present invention, the method for continuously providing a broadcast service comprises the following steps. A terminal device generates a broadcast parameter of the broadcast service being provided through a broadcast network and requests a server address of a broadcaster to an address request server. Next, the address request server transmits a request message for requesting the server address of the broadcaster to an address response server based on the broadcast parameter. Then, the address response server sends a response message including the server address of the broadcaster retrieved using the request message to the terminal device. Thereafter, the terminal device continuously provides the broadcast service through the communication network using the server address of the broadcaster included in the response message.

Description

TECHNICAL FIELD [0001] The present invention relates to a system and method for continuously providing a broadcast service,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital broadcasting / communication technology, and more particularly, to a technology for providing a hybrid broadcasting service through a broadcasting network and a communication network.

BACKGROUND ART [0002] With the recent development of communication networks, technologies for separately streaming broadcast contents or providing additional data through a communication network instead of a dedicated broadcasting network have been applied. This technology is called hybrid broadcasting service technology, and terrestrial TV including digital radio has developed related standard technology and is gradually expanding its service.

In hybrid broadcasting, a communication network is used as a network for replacing an existing broadcasting network or transmitting auxiliary data, and can provide various additional data services when interworking with a broadcasting network. For example, if a broadcasting signal enters a building which is weak or impossible to receive, the corresponding streaming service may be provided through a communication network, or additional images may be provided through a communication network in the case of 3D stereoscopic broadcasting. Further, additional data such as an image can be provided through a communication network. In addition, a virtual reality service related to a broadcasting service can be provided through the communication network and reproduced. A service that can be provided through the specified communication network may correspond to a service directly or indirectly associated with the broadcast service.

For this purpose, in the conventional technology, separate metadata such as Service Information (EPG), Electronic Program Guide (EPG), or Electronic Service Guide (ESG) is transmitted through a broadcasting network as a service stream. That is, an address of a content that can be linked through a communication network is constituted by link information in an SI, an EPG, or an ESG.

Korean Patent Laid-Open No. 10-2016-0099096 entitled " DEVICE FOR PROCESSING HYBRID BROADCAST SERVICE, METHOD FOR PROCESSING HYBRID BROADCAST SERVICE " includes any one of a unicast method, a multicast method, and an evolved Multimedia Broadcast Multicast Service (eMBMS) Discloses an apparatus and method for receiving signaling information through a mobile broadband or broadband channel to provide a hybrid broadcasting service.

An object of the present invention is to continuously provide a broadcasting service through a communication network even when moving a service area while receiving a broadcasting service through a broadcasting network or moving to an area where reception is not good such as in a building.

It is another object of the present invention to automatically grasp the address of a server providing a broadcasting service through a communication network using information related to a broadcasting service being received through a broadcasting network.

It is another object of the present invention to continuously provide a broadcast service by recognizing an address of a server providing a broadcast service through a communication network without a user's interaction with the terminal device.

It is another object of the present invention to continuously provide a broadcasting service by applying to an additional data broadcasting service, a hybrid broadcasting service, a stereoscopic broadcasting service, an augmented broadcasting service, and a virtual reality service.

According to another aspect of the present invention, there is provided a method of using a broadcast service continuation providing system, the method comprising: generating a broadcast parameter of a broadcast service provided by a terminal through a broadcast network, Requesting a server for a server address of a broadcaster; The address requesting server transmits a request message for requesting the server address of the broadcasting station to the address response server based on the broadcasting parameter; The address response server returns a response message including the server address of the found broadcaster retrieved using the request message to the terminal device, and the terminal device transmits the response message including the server address of the broadcast server included in the response message, And continuously providing the broadcast service through the broadcast service.

At this time, the requesting step may generate the broadcast parameter information including the country code, the broadcast station identifier and the service identifier from the broadcasting service that the terminal device is providing through the broadcasting network.

The requesting step may include generating a component identifier for identifying a service component of the broadcast service in the broadcast parameter information when the broadcast service provided by the terminal device is provided on a component basis .

At this time, the requesting step may request the broadcasting terminal to transmit the broadcasting parameter information using the component identifier, the country code, the broadcasting company identifier, and the service identifier included in the related information of the signaling of the broadcasting service, Lt; / RTI >

At this time, the requesting step may include at least one of an electronic program guide (EPG), program detailed information, a program keyword, an additional data segment, and user request data of a broadcasting service that the terminal device is providing through the broadcasting network To generate the broadcast parameter information.

The requesting step may include receiving at least one of a broadcast screen capture image, a broadcast video clip, a broadcast sound clip, text data, and other metadata of the broadcast service provided by the terminal apparatus through the broadcast network, Lt; / RTI >

In this case, in the transmitting step, the address requesting server may convert the parameter information into a Fully Qualified Domain Name (FQDN).

At this time, in the transmitting step, the address requesting server transmits a broadcasting service code including a country code, a broadcasting station identifier, a service identifier, a service component identifier, an electronic program guide, EPG), program detail information, a program keyword, a broadcast screen capture image, a broadcast video clip, a broadcast sound clip, text data, other metadata, an additional data segment, and user requested data, .

At this time, the transmitting step may include transmitting at least one of a broadcast screen capture image, a broadcast video clip, a broadcast sound clip, text data, and other metadata of a broadcast service provided by the address request server through the broadcast network included in the parameter information To the FQDN using a content identifier that identifies the broadcast service for the broadcast service.

At this time, in the transmitting step, the address request server can generate the request message including the converted FQDN and transmit it to the address response server.

At this time, in the returning step, the address response server performs a lookup process on the FQDN of the received request message from pre-registered data and converts the FQDN into an authorized FQDN corresponding to the server address of the broadcast station .

In this case, in the returning step, the address response server may generate the response message including the authorized FQDN and return the response message to the terminal device.

In this case, the persistent providing step may include: the terminal device transmitting a service request message including the authorized FQDN to the broadcaster server; Returning the obtained service address using the authorized FQDN of the service request message received by the broadcasting server; The terminal device accesses an application server corresponding to the service address, and the terminal device continuously provides a broadcast service corresponding to the broadcast service being provided from the application server through the broadcast network through the communication network .

At this time, in the step of returning the service address, the broadcast server server may look up the authorized FQDN to obtain the service address.

At this time, in the step of continuously providing via the communication network, the terminal device establishes a service session with the connected application server and receives the broadcast service through the communication network to provide the broadcast service.

According to another aspect of the present invention, there is provided a system for continuously providing a broadcast service, including: a terminal for continuously providing a broadcast service through a communication network using broadcast parameter information of a broadcast service provided through a broadcast network; An address request server for requesting a server address of a broadcaster to transmit the request message generated based on the broadcast parameter information to continuously provide the broadcast service through a communication network; And an address response server for returning a response message to the terminal device.

In this case, the terminal apparatus may include a service request unit for detecting a request for a broadcast service through the communication network; A processing unit for generating the parameter information based on a broadcast service request through the communication network; A communication unit for transmitting and receiving a message through the communication network and transmitting the message to the processing unit, receiving a broadcasting service based on the parameter information, and a media playback unit for continuously providing the received broadcasting service.

At this time, the processing unit may include a country code, a broadcasting station identifier, a service identifier, a service component identifier, an electronic program guide (EPG), program detailed information, a program keyword, The broadcast parameter information including at least one of an image, a broadcast video clip, a broadcast sound clip, text data, other metadata, an additional data segment, and user requested data.

At this time, the address request server converts the parameter information into a Fully Qualified Domain Name (FQDN), and transmits the FQDN to the address response server.

At this time, the address response server looks up the FQDN of the received request message from the pre-registered data, and converts the FQDN of the received request message into an authorized FQDN corresponding to the server address of the broadcaster It can be included in the response message and returned to the terminal device.

The present invention can continuously provide a broadcasting service through a communication network even when moving a service area while receiving a broadcasting service through a broadcasting network or moving to an area where reception is not good such as in a building.

In addition, the present invention can automatically grasp the address of a server providing a broadcasting service through a communication network using information related to a broadcasting service being received through a broadcasting network.

In addition, the present invention can continuously provide a broadcasting service by recognizing an address of a server that provides a broadcasting service through a communication network without a user's interaction with the terminal apparatus.

Also, the present invention can be applied to an additional data broadcasting service, a hybrid broadcasting service, a stereoscopic broadcasting service, an augmented broadcasting service, and a virtual reality service to continuously provide a broadcasting service.

1 is a block diagram illustrating a broadcast service continuation providing system according to an embodiment of the present invention.
2 is a detailed block diagram illustrating an example of the terminal device shown in FIG.
3 is a diagram illustrating a broadcast service continuation providing system according to an embodiment of the present invention.
FIG. 4 is a detailed view illustrating an example of a process of obtaining an address of a broadcaster server in the broadcast service continuation providing system shown in FIG. 3. Referring to FIG.
5 is a signaling diagram illustrating a method for identifying a service according to an embodiment of the present invention.
6 is a diagram illustrating a message flow for obtaining an address of a broadcaster server according to an exemplary embodiment of the present invention.
FIG. 7 is a detailed view illustrating an example of a process of obtaining a service address in the broadcast service continuation providing system shown in FIG. 3. Referring to FIG.
FIG. 8 is a flowchart illustrating an operation of providing a continuous broadcast service according to an exemplary embodiment of the present invention.
FIG. 9 is an operation flowchart illustrating an exemplary broadcast service providing step shown in FIG. 8 in detail.

The present invention will now be described in detail with reference to the accompanying drawings. Hereinafter, a repeated description, a known function that may obscure the gist of the present invention, and a detailed description of the configuration will be omitted. Embodiments of the present invention are provided to more fully describe the present invention to those skilled in the art. Accordingly, the shapes and sizes of the elements in the drawings and the like can be exaggerated for clarity.

Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise.

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

1 is a block diagram illustrating a broadcast service continuation providing system according to an embodiment of the present invention. 2 is a detailed block diagram illustrating an example of the terminal device shown in FIG.

1, a broadcast service continuation providing system according to an embodiment of the present invention includes a broadcaster server 10, an application server 20, a terminal 100, an address request server 200, and an address storage server 300 ).

The broadcasting company server 10 can provide a broadcasting service to the terminal device 100 through a broadcasting network.

The application server 20 can provide a broadcast service to the terminal device 100 through a communication network.

The terminal device 100 can continuously provide the broadcast service from the application server 20 through the communication network by using the broadcasting parameter information of the broadcasting service being provided from the broadcasting server 10 through the broadcasting network.

At this time, when an event to obtain an address of a server existing on the Internet occurs, the terminal device 100 transmits a broadcast identifier (e.g., a country code, a broadcaster identifier, An identifier and a service component identifier) to generate broadcast parameter information.

At this time, the terminal device 100 can generate the broadcast parameter information including the country code, the broadcast station identifier, and the service identifier from the broadcast service provided through the broadcast network.

In this case, when the broadcasting service being provided through the broadcasting network is provided on a component basis, the terminal device 100 may generate the broadcasting parameter information to further include a component identifier for identifying a service component of the broadcasting service.

At this time, the terminal device 100 transmits the component identifier included in the related information (Low Level Signaling Table, Service List Table, User Service Bundle Description, User Service Description, and Media Presentation Description) of the signaling of the broadcasting service being provided through the broadcasting network , The broadcasting parameter information may be generated using the country code, the broadcasting company identifier, and the service identifier.

At this time, the terminal device 100 can generate the broadcast parameter information by using at least one of an electronic program guide (EPG) of the broadcast service being provided through the broadcast network, program detailed information, and a program keyword .

At this time, the terminal device 100 can generate the broadcast parameter information using at least one of a broadcast screen capture image, a broadcast video clip, a broadcast sound clip, text data, and other metadata of a broadcast service being provided through a broadcast network have.

At this time, the terminal device 100 can generate the broadcast parameter information using at least one of an additional data segment of the broadcast service being provided through the broadcasting network and user request data.

In other words, the terminal device 100 transmits a broadcasting program to the terminal device 100 through a broadcasting network, such as a country code, a broadcasting company identifier, a service identifier, a service component identifier, an electronic program guide (EPG) Broadcast parameter information including at least one of a captured image, a broadcast video clip, a broadcast sound clip, text data, other metadata, an additional data segment, and user requested data.

The address request server 200 may convert the broadcast parameter information into a Fully Qualified Domain Name (FQDN).

At this time, the address request server 200 transmits a broadcast program including a country code of a broadcast service, a broadcast identifier, a service identifier, a service component identifier, an electronic program guide (EPG) At least one of a detailed information, a program keyword, a broadcast screen capture image, a broadcast video clip, a broadcast sound clip, text data, other metadata, an additional data segment, and user requested data may be combined and converted into FQDN.

For example, the address request server 200 may combine at least one of the component identifier, the service identifier, the broadcaster identifier, the country code, and the address of the broadcasting service control system into the FQDN in the broadcast parameter information.

At this time, the converted FQDN may correspond to a form such as 'servicecomponentid.serviceid.bsid.gcc.tvdns.org'.

The 'servicecomponentid' (service component identifier) may correspond to a component identifier constituting one service.

A service identifier (service identifier) may correspond to a service identifier uniquely identified in a broadcast signal.

A broadcast station identifier (bsid) may correspond to a uniquely assigned broadcast station identifier.

'gcc' (global country code) may correspond to the country code.

" tvdns.org " may correspond to the address of the system providing the broadcast service continuation providing function.

In addition, the address request server 200 transmits the broadcast service for at least one of a broadcast screen capture image, a broadcast video clip, a broadcast sound clip, text data, and other metadata of a broadcast service being provided through a broadcast network included in the parameter information And can convert the FQDN into the FQDN using the identified content identifier.

For example, the address request server 200 may configure a broadcast service to identify at least one of a broadcast screen capture image, a broadcast video clip, a broadcast sound clip, text data, and other metadata of a broadcast service received through a broadcast network All or a part of the data may be retrieved from the Internet, or may be compared with data stored in the external broadcasting contents server DB to identify the broadcasting service currently being received.

At this time, the address request server 200 can convert the FQDN into the FQDN using a content identifier that identifies a broadcasting service currently being broadcasted through the broadcasting network.

Also, the address request server 200 may transmit a request message including the converted FQDN to the address response server 300 to request the server address of the broadcasting company.

The address response server 300 can confirm the server address of the broadcaster by receiving the request message.

At this time, the address response server 300 may look up the FQDN of the request message from the pre-registered data and convert it into an authorized FQDN corresponding to the address of the broadcasting server.

At this time, the authorized FQDN may correspond to the address format of the broadcaster server 100 such as 'virtualone.kbcast.com'.

At this time, the address response server 300 directly returns the authorized FQDN to the terminal device 100 or returns it to the address requesting server 200, and the address requesting server 200 returns the authorized FQDN to the terminal device 100 You may.

The terminal device 100 can transmit a service request message including the authorized FQDN to the address of the broadcaster server 10 using the authorized FQDN.

At this time, the broadcaster server 10 may look up the authorized FQDN of the received service request message to obtain the service address.

The service address may correspond to a physical address providing a service called 'myvirtual', such as 'virtualone.kbcast.com/myvirtual'.

The broadcasting company server 10 can return the acquired service address to the terminal device 100. [

The terminal device 100 can access the application server 20 corresponding to the received service address.

For example, when the terminal device 100 provides a virtual reality service through a communication network, 'myvirtual' may correspond to an actual server address providing the virtual reality contents.

The terminal device 100 may access the application server 20 corresponding to the service address and perform a setting operation to receive the corresponding broadcasting service and then provide the broadcasting service through the communication network.

At this time, the terminal device 100 establishes a service session with the connected application server 20, receives the broadcast service through the communication network, and provides the broadcast service.

2, the terminal apparatus 100 may include a service request unit 110, a processing unit 120, a communication unit 130, and a media playback unit 140.

At this time, the terminal device 100 may correspond to the ATSC 3.0 terminal defined in the ATSC 3.0 standard.

The service requesting unit 110 may request the processing unit 120 to provide a broadcast service through a communication network when it becomes difficult or impossible to provide a broadcast service provided through the broadcast network (for example, a departure of the receive area).

The processing unit 120 may generate broadcast parameter information using information related to a broadcast service provided through a broadcast network in response to a broadcast service provision request through a communication network.

In this case, the processing unit 120 may be configured to transmit a broadcasting program, such as a country code, a broadcasting station identifier, a service identifier, a service component identifier, an electronic program guide (EPG) Broadcast parameter information including at least one of a screen capture image, a broadcast video clip, a broadcast sound clip, text data, other metadata, an additional data segment, and user requested data.

At this time, the processing unit 120 may transmit the broadcast parameter information generated through the communication unit 130 to the address request server 200, and may request an address of the broadcast server.

The communication unit 130 can send and receive messages with external servers, and can receive a broadcast service through a communication network and deliver the broadcast service to the media playback unit.

The processing unit 120 may receive the response message for the address request of the broadcasting server through the communication unit 130 and may obtain the address of the broadcasting server 10 from the authorized FQDN included in the response message.

At this time, the processing unit 120 may transmit a service request message including an authorized FQDN to the address of the broadcaster server 10 through the communication unit 130.

At this time, the processing unit 120 can receive the service address from the broadcasting server 10 through the communication unit 130. [

At this time, the processing unit 120 can request a connection to the application server 20 corresponding to the service address through the communication unit 130.

At this time, the processing unit 120 can establish a service session with the connected application server 20.

When the service session establishment is confirmed with the application server 20 connected to the communication unit 130, the communication unit 130 can receive the broadcast service through the communication network and deliver the broadcast service to the media playback unit 140.

The media playback unit 140 may provide the broadcast service to the user in the form of image / video / audio, text, control data, and other data.

3 is a diagram illustrating a broadcast service continuation providing system according to an embodiment of the present invention. FIG. 4 is a detailed view illustrating an example of a process of obtaining an address of a broadcaster server in the broadcast service continuation providing system shown in FIG. 3. Referring to FIG. 5 is a signaling diagram illustrating a method for identifying a service according to an embodiment of the present invention. 6 is a diagram illustrating a message flow for obtaining an address of a broadcaster server according to an exemplary embodiment of the present invention. FIG. 7 is a detailed view illustrating an example of a process of obtaining a service address in the broadcast service continuation providing system shown in FIG. 3. Referring to FIG.

Referring to FIG. 3, the broadcasting service continuation providing system according to an embodiment of the present invention may include a broadcaster server 10, an application server 20, an ATSC 3.0 terminal, a Tvdns FQDN generating server, and a Tvdns server.

At this time, the ATSC 3.0 terminal may correspond to one embodiment of the terminal device 100.

At this time, the Tvdns FQDN generation server may correspond to an embodiment of the address request server 200.

At this time, the Tvdns FQDN server may correspond to one embodiment of the address response server 300.

The ATSC 3.0 terminal can provide the broadcasting service through the broadcasting network using the transmission antenna (ATSC 3.0) from the broadcaster server 10.

In addition, the ATSC 3.0 terminal can provide a broadcast service from the application server 20 through a communication network.

At this time, the ATSC 3.0 terminal can provide a high-resolution moving image, a 3D image, a VR (Virtual Reality), or a hybrid content from the application server 20 through a communication network.

To this end, the ATSC 3.0 terminal may first transmit an address request message requesting the address of the broadcasting server 10 to the Tvdns FQDN generation server.

Referring to FIG. 4, the ATSC 3.0 terminal includes a unique broadcast ID, metadata (EPG or other), a screen image, a video clip, a sound clip, an additional data segment, And transmits the address request message to the Tvdns FQDN generation server by generating at least one of the request data as broadcast parameter information.

The Tvdns FQDN creation server can convert the broadcast parameter information into the FQDN format.

At this time, the Tvdns FQDN generation server may transmit an address request message including the converted FQDN to the address response server 300. [

At this time, the converted FQDN may correspond to a form such as 'servicecomponentid.serviceid.bsid.gcc.tvdns.org'.

The Tvdns server can lookup the FQDN included in the received request message from the pre-registered data and convert the FQDN into the authorized FQDN.

At this time, the Tvdns server may return a response message including the authorized FQDN directly to the ATSC 3.0 terminal or return it to the Tvdns FQDN generation server, and the Tvdns FQDN generation server may transmit the authorized FQDN to the ATSC 3.0 terminal.

At this time, the authorized FQDN may correspond to the address of the broadcaster server 10 such as 'virtualone.kbcast.com'.

Referring to FIG. 5, in order for ATSC 3.0 terminal to generate broadcast parameter information, a country code is basically required, and then a broadcast station identifier (bsid) for identifying a broadcast station may be required.

For example, in the case of ATSC 3.0, the bsid is provided as "provider_id" in the LLS (Low Level Signaling) table. As shown in FIG. 5, signaling information (including a User Service Bundle Description, a User Service Description, and a Media Presentation Description) including an SLT (Service List Table) includes information on a service list provided by the corresponding broadcaster can do. At this time, each service may be composed of one or more service components.

Accordingly, when a service provided on the Internet is provided on a service component basis, the service identifier may further include a component identifier such as LCT (tsi-v) or packet_id-a that identifies the service component.

The Tvdns FQDN generation server can convert the FQDN of the form 'servicecomponentid.serviceid.bsid.gcc.tvdns.org' to the FQDN using the identifier included in the broadcast parameter information.

The Tvdns FQDN generation server may further include a data service component identifier in the case of a data service to determine the address of the broadcaster server 10 providing the broadcast service.

Referring to FIG. 6, an example of the function of the tvdns FQDN generation server, which is an example of the address request server 200, is shown. The TVdns FQDN, metadata, image, video clip, When parameters such as an audio clip, an additional data segment, and user requested data are transmitted, a tvdns FQDN can be generated using the parameter to request a lookup to the address response server 300. The searching process may be performed in a manner similar to the Internet search function in one embodiment. The functions of the tvdns FQDN can be implemented by various methods, and finally the tvdns FQDN can be generated and transmitted to the tvdns server. The tvdns server responds with an authoritative FQDN, i.e., a server address, through a lookup process, similar to normal DNS. When the Tvdns FQDN message is received from the ATSC3.0 terminal, the tvdns FQDN generating server may perform a lookup process on itself and respond to the server's authoritative FQDN.

Referring to FIG. 7, it is seen that the ATSC 3.0 terminal acquires the authorized FQDN and then looks up the service address of the application server 20 providing the actual service.

The ATSC 3.0 terminal may access the address of the broadcaster server 10 corresponding to the authorized FQDN.

The ATSC 3.0 terminal can transmit a service request message including an authorized FQDN to the address of the broadcaster server 10 using the authorized FQDN.

At this time, the broadcaster server 10 may look up the authorized FQDN of the received service request message to obtain the service address.

The service address may correspond to a physical address providing a service called 'myvirtual', such as 'virtualone.kbcast.com/myvirtual'.

The broadcaster server 10 can return the obtained service address to the ATSC 3.0 terminal.

The ATSC 3.0 terminal can access the application server 20 corresponding to the received service address.

For example, if an ATSC 3.0 terminal is to provide a virtual reality service through a communication network, 'myvirtual' may correspond to an actual server address providing virtual reality contents.

The ATSC 3.0 terminal may access the application server 20 corresponding to the service address and perform a setup operation to receive the corresponding broadcast service, and then provide the broadcast service through the communication network.

At this time, the ATSC 3.0 terminal establishes a service session with the connected application server 20, and receives the broadcast service through the communication network to provide the broadcast service.

FIG. 8 is a flowchart illustrating an operation of providing a continuous broadcast service according to an exemplary embodiment of the present invention.

Referring to FIG. 8, in the method of continuing to provide a broadcast service according to an embodiment of the present invention, broadcast parameter information may be generated first (S410).

That is, in step S410, the terminal device 100 can continuously provide the broadcast service from the application server 20 through the communication network using the broadcast parameter information of the broadcast service being provided through the broadcast network from the broadcaster server 10 have.

At this time, in step S410, when the terminal device 100 generates an event to obtain an address of a server existing on the Internet, a broadcast identifier unique to the broadcast service being provided through the broadcast network (for example, a country code , A broadcaster identifier, a service identifier, and a service component identifier).

At this time, the step S410 may generate the broadcasting parameter information including the country code, the broadcasting station identifier and the service identifier from the broadcasting service that the terminal device 100 is providing through the broadcasting network.

In this case, if the broadcast service being provided by the terminal apparatus 100 through the broadcasting network is provided on a component basis, step S410 may be performed so that the broadcast parameter information further includes a component identifier for identifying a service component of the broadcast service can do.

At this time, in step S410, the terminal device 100 transmits information related to the signaling of the broadcast service provided through the broadcasting network (Low Level Signaling Table, Service List Table, User Service Bundle Description, User Service Description, and Media Presentation Description) The broadcast parameter information may be generated using the included component identifier, the country code, the broadcaster identifier, and the service identifier.

At this time, in step S410, the terminal device 100 uses the broadcast program guide (EPG) of the broadcast service being provided through the broadcasting network, the program detailed information, Lt; / RTI >

In this case, in step S410, the terminal device 100 transmits at least one of a broadcast screen capture image, a broadcast video clip, a broadcast sound clip, text data, and other metadata of a broadcast service being provided through a broadcast network It is possible to generate the broadcast parameter information using one.

At this time, the step S410 may generate the broadcast parameter information using at least one of an additional data segment of the broadcast service provided by the terminal apparatus 100 through the broadcasting network and user request data.

That is, in step S410, the terminal device 100 transmits a service code, a service identifier, a service component identifier, an electronic program guide (EPG), program detailed information, Broadcast parameter information including at least one of a program keyword, a broadcast screen capture image, a broadcast video clip, a broadcast sound clip, text data, other metadata, an additional data segment, and user requested data.

In addition, the broadcast service continuation providing method according to an embodiment of the present invention may transmit a request message (S420).

That is, in step S420, the address requesting server 200 may transmit a request message for requesting the address of the broadcaster server 10 to the address response server.

At this time, in step S420, the address request server 200 may convert the broadcast parameter information into a fully qualified domain name (FQDN).

At this time, in operation S420, the address request server 200 determines whether the address information of the broadcast service is included in the broadcast parameter information, such as the country code of the broadcast service, the broadcast identifier, the service identifier, the service component identifier, , EPG), program detail information, program keywords, broadcast screen capture images, broadcast video clips, broadcast sound clips, text data, other metadata, additional data segments, and user requested data may be combined and converted into FQDN .

For example, in operation S420, the address request server 200 combines at least one of the component identifier, the service identifier, the broadcast identifier, the country code, and the address of the broadcast service control system in the broadcast parameter information to generate an FQDN Can be converted.

At this time, the converted FQDN may correspond to a form such as 'servicecomponentid.serviceid.bsid.gcc.tvdns.org'.

The 'servicecomponentid' (service component identifier) may correspond to a component identifier constituting one service.

A service identifier (service identifier) may correspond to a service identifier uniquely identified in a broadcast signal.

A broadcast station identifier (bsid) may correspond to a uniquely assigned broadcast station identifier.

'gcc' (global country code) may correspond to the country code.

" tvdns.org " may correspond to the address of the system providing the broadcast service continuation providing function.

In step S420, the address request server 200 transmits at least one of a broadcast screen capture image, a broadcast video clip, a broadcast sound clip, text data, and other metadata of the broadcast service being provided through the broadcast network included in the parameter information To the FQDN using the content identifier that identifies the broadcast service.

For example, step S420 may be performed to identify at least one of a broadcast screen capture image, a broadcast video clip, a broadcast sound clip, text data, and other metadata of a broadcast service received through the broadcast network by the address request server 200 All or a part of the data constituting the broadcast service may be searched for on the Internet or may be compared with data stored in the external broadcast contents server DB to identify the broadcast service currently being received.

In operation S420, the address request server 200 may convert the FQDN into the FQDN using a content identifier that identifies a broadcasting service currently being broadcasted through the broadcasting network.

In operation S420, the address request server 200 may transmit a request message including the converted FQDN to the address response server 300 to request the server address of the broadcaster.

In addition, the broadcast service continuation providing method according to an embodiment of the present invention may receive a response message (S430).

That is, the terminal device 100 can receive a response message including the address of the broadcasting server 10 generated by the address response server 300 in step S430.

At this time, the address response server 300 receives the message requested by the address response server 300 and confirms the server address of the broadcaster.

At this time, in step S430, the address response server 300 may look up the FQDN of the request message from the pre-registered data and convert the FQDN of the request message into an authorized FQDN corresponding to the address of the broadcasting server.

At this time, the authorized FQDN may correspond to the address format of the broadcaster server 100 such as 'virtualone.kbcast.com'.

In this case, in step S430, the address response server 300 directly returns the authorized FQDN to the terminal device 100 or returns the authorized FQDN to the address requesting server 200, (100).

In addition, the method of continuing to provide a broadcast service according to an embodiment of the present invention may provide a broadcast service (S440).

That is, in step S440, the terminal device 100 can access the broadcaster server 10 using the authorized FQDN (S441).

In addition, step S440 may transmit a service request message (S442).

That is, in step S442, the terminal device 100 can transmit a service request message including the FQDN authorized to the address of the broadcaster server 10 using the authorized FQDN.

In addition, the step S440 may return the service address (S443).

That is, step S443 may look up the authorized FQDN of the service request message received by the broadcaster server 10 to obtain the service address.

The service address may correspond to a physical address providing a service called 'myvirtual', such as 'virtualone.kbcast.com/myvirtual'.

At this time, the step S443 may return the service address acquired by the broadcasting company server 10 to the terminal device 100. [

In addition, step S440 may connect to the application server (S444).

That is, the step S444 may access the application server 20 corresponding to the service address received by the terminal device 100. [

For example, if the terminal device 100 intends to provide a virtual reality service through a communication network, 'myvirtual' may correspond to an actual server address providing the virtual reality contents in step S444.

In addition, step S440 may provide a broadcast service (S445).

That is, in step S445, the terminal device 100 accesses the application server 20 corresponding to the service address and performs a setting operation to receive the corresponding broadcast service, and then provides the broadcast service through the communication network .

In this case, the step S445 may establish a service session with the application server 20 to which the terminal device 100 is connected, and receive the broadcast service through the communication network to provide the broadcast service.

FIG. 9 is an operation flowchart illustrating an exemplary broadcast service providing step shown in FIG. 8 in detail.

Referring to FIG. 9, in operation S440, the terminal 100 may access the broadcaster server 10 using the authorized FQDN (S441).

In addition, step S440 may transmit a service request message (S442).

That is, in step S442, the terminal device 100 can transmit a service request message including the FQDN authorized to the address of the broadcaster server 10 using the authorized FQDN.

In addition, the step S440 may return the service address (S443).

That is, step S443 may look up the authorized FQDN of the service request message received by the broadcaster server 10 to obtain the service address.

The service address may correspond to a physical address providing a service called 'myvirtual', such as 'virtualone.kbcast.com/myvirtual'.

At this time, the step S443 may return the service address acquired by the broadcasting company server 10 to the terminal device 100. [

In addition, step S440 may connect to the application server (S444).

That is, the step S444 may access the application server 20 corresponding to the service address received by the terminal device 100. [

For example, if the terminal device 100 intends to provide a virtual reality service through a communication network, 'myvirtual' may correspond to an actual server address providing the virtual reality contents in step S444.

In addition, step S440 may provide a broadcast service (S445).

That is, in step S445, the terminal device 100 accesses the application server 20 corresponding to the service address and performs a setting operation to receive the corresponding broadcast service, and then provides the broadcast service through the communication network .

In this case, the step S445 may establish a service session with the application server 20 to which the terminal device 100 is connected, and receive the broadcast service through the communication network to provide the broadcast service.

As described above, the broadcasting service continuing providing system and method according to the present invention are not limited to the configuration and method of the embodiments described above, but the embodiments may be modified in various ways, All or a part of the above-described elements may be selectively combined.

10: broadcaster server
20: Application server
100: terminal device
110: service request unit
120:
130:
140:
200: address request server
300: Address response server

Claims (20)

A method of using a broadcast service continuation providing system,
Generating a broadcast parameter of a broadcast service that a terminal device is providing through a broadcast network and requesting an address request server for a broadcast server address;
The address requesting server transmits a request message for requesting the server address of the broadcasting station to the address response server based on the broadcasting parameter;
The address response server returns a response message including the server address of the broadcast station retrieved using the request message to the terminal device; And
The terminal device continuously providing the broadcast service through a communication network using a server address of the broadcasting company included in the response message;
The method of claim 1, The method according to claim 1,
The requesting step
Wherein the terminal device generates the broadcast parameter information including a country code, a broadcast station identifier and a service identifier from a broadcast service being provided through the broadcasting network. The method of claim 2,
The requesting step
Further comprising a component identifier for identifying a service component of the broadcast service in the broadcast parameter information when the broadcast service being provided by the terminal apparatus is provided on a component basis, Way. The method of claim 3,
The requesting step
Wherein the terminal device generates the broadcast parameter information using the component identifier, the country code, the broadcaster identifier, and the service identifier included in the signaling related information of the broadcast service being provided through the broadcasting network How to provide service continuity. The method of claim 4,
The requesting step
The terminal device transmits the broadcast parameter information using at least one of an EPG (Electronic Program Guide) of a broadcast service, a program detailed information, a program keyword, an additional data segment, and user request data, And generating the broadcast service. The method of claim 5,
The requesting step
Wherein the terminal device generates the broadcast parameter information using at least one of a broadcast screen capture image, a broadcast video clip, a broadcast sound clip, text data, and other metadata of a broadcast service being provided through the broadcast network How to provide service continuity. The method of claim 6,
The transmitting step
Wherein the address request server converts the parameter information into a fully qualified domain name (FQDN). The method of claim 7,
The transmitting step
The address requesting server transmits a program code including information such as a country code, a broadcasting station identifier, a service identifier, a service component identifier, an electronic program guide (EPG) Wherein at least one of a keyword, a broadcast screen capture image, a broadcast video clip, a broadcast sound clip, text data, other metadata, an additional data segment, and user requested data is combined and converted into the FQDN. The method of claim 8,
The transmitting step
Wherein the address request server identifies the broadcast service for at least one of a broadcast screen capture image, a broadcast video clip, a broadcast sound clip, text data, and other metadata of a broadcast service being provided through the broadcast network included in the parameter information Wherein the FQDN is converted into the FQDN using a content identifier. The method of claim 9,
The transmitting step
Wherein the address request server generates the request message including the converted FQDN and transmits the request message to the address response server. The method of claim 10,
The step of returning
Wherein the address response server performs a lookup process on the FQDN of the received request message from the pre-registered data and converts the FQDN into an authorized FQDN corresponding to the server address of the broadcast service. Way. The method of claim 11,
The step of returning
Wherein the address response server generates the response message including the authorized FQDN and returns the response message to the terminal device. The method of claim 12,
The continuously providing step
The terminal device transmitting a service request message including the authorized FQDN to the broadcasting server;
Returning the obtained service address using the authorized FQDN of the service request message received by the broadcasting server;
Connecting the terminal to an application server corresponding to the service address; And
Continuously providing a broadcasting service corresponding to a broadcasting service that the terminal device is providing from the application server through the broadcasting network through the communication network;
The method of claim 1, 14. The method of claim 13,
The step of returning the service address
Wherein the broadcasting server obtains the service address by performing a lookup process on the authorized FQDN. 15. The method of claim 14,
The step of continuously providing through the communication network
Wherein the terminal establishes a service session with the connected application server and receives the broadcast service through the communication network to provide the broadcast service. A terminal device that continuously provides a broadcast service through a communication network using broadcast parameter information of a broadcast service being provided through a broadcast network;
An address requesting server for requesting a server address of a broadcasting station for transmitting the request message generated based on the broadcasting parameter information to continuously provide the broadcasting service through a communication network; And
An address response server for receiving the request message and returning a response message including the server address of the broadcast station to the terminal device;
The broadcast service providing system comprising: 18. The method of claim 16,
The terminal device
A service request unit for detecting a request for a broadcast service through the communication network;
A processing unit for generating the parameter information based on a broadcast service request through the communication network;
A communication unit for transmitting and receiving a message through the communication network and transmitting the message to the processing unit and receiving a broadcasting service based on the parameter information; And
A media playback unit for continuously providing the received broadcast service;
The broadcast service providing system comprising: 18. The method of claim 17,
The processing unit
A broadcasting program identifier, a service component identifier, an electronic program guide (EPG), program detailed information, a program keyword, a broadcast screen capture image, a broadcast video clip, The broadcast parameter information including at least one of a broadcast sound clip, text data, other metadata, an additional data segment, and user requested data. 19. The method of claim 18,
The address request server
Converts the parameter information into a Fully Qualified Domain Name (FQDN), and transmits the FQDN to the address response server. The method of claim 19,
The address response server
The address response server performs lookup processing of the FQDN of the received request message from pre-registered data, converts the FQDN into an authorized FQDN corresponding to the server address of the broadcasting server, And to return to the apparatus.

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