KR20150082815A - Apparatus and Method for providing IPTV roaming service - Google Patents

Apparatus and Method for providing IPTV roaming service Download PDF

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Publication number
KR20150082815A
KR20150082815A KR1020140002231A KR20140002231A KR20150082815A KR 20150082815 A KR20150082815 A KR 20150082815A KR 1020140002231 A KR1020140002231 A KR 1020140002231A KR 20140002231 A KR20140002231 A KR 20140002231A KR 20150082815 A KR20150082815 A KR 20150082815A
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South Korea
Prior art keywords
iptv
service server
content
service
roaming
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KR1020140002231A
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Korean (ko)
Inventor
노영태
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주식회사 위즈온텍
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Priority to KR1020140002231A priority Critical patent/KR20150082815A/en
Publication of KR20150082815A publication Critical patent/KR20150082815A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/4722—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting additional data associated with the content

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The present invention relates to an apparatus and method for providing an IPTV roaming service, and the present invention relates to an apparatus and method for providing an IPTV roaming service, including a communication unit for communicating with a visited service server for providing a service in a roaming service area; An interface unit detachably connected to the display device; And transmits the authentication request message including the temporary identifier to the visited service server through the communication unit. When authentication is successful, the IPTV application is received from the visited service server, and the IPTV application is executed to provide a content list And outputting the service screen to the display device through the interface unit. The IPTV roaming system for providing an IPTV roaming service is provided.

Description

[0001] Apparatus and method for providing IPTV roaming service [0002]

The present invention relates to an IPTV (Internet Protocol Television), and more particularly, to an apparatus and method for providing an IPTV roaming service.

Currently, voice and data international roaming service is provided, but IPTV international roaming service is not provided. To use the IPTV service, a set-top box is required. However, considering the volume and weight, it is not practically possible to carry it to a destination. Also, in order to use the IPTV service, the IPTV software has a problem that the time required for loading the IPTV settop software is high because the specifications of the software itself and the specifications for driving the software are high.

It is an object of the present invention to provide an apparatus for automatically providing an IPTV roaming service and a method for providing such an IPTV roaming service when the apparatus is connected to a device including a specific display in a travel destination.

According to another aspect of the present invention, there is provided an IPTV roaming system for providing an IPTV roaming service, including: a communication unit for communicating with a visited service server for providing a service in a roaming service area; An interface unit detachably connected to the display device; And transmits the authentication request message including the temporary identifier to the visited service server through the communication unit. When authentication is successful, the IPTV application is received from the visited service server, and the IPTV application is executed to provide a content list And outputting the service screen to the display unit through the interface unit.

Wherein the control unit requests content from the visiting service server through the communication unit to receive the requested content from the visited service server and transmits the received content to the display unit through the interface unit, And outputting it to the apparatus.

The temporary identifier includes a provider code for identifying a service provider operating the home service server from another service provider, and a device code for distinguishing the IPTV roaming device from another IPTV roaming device.

According to another aspect of the present invention, there is provided a visited service server for providing an IPTV roaming service in a roaming service area, including: a communication module for communicating with an IPTV roaming device; A storage module for storing an IPTV application received from a home service server providing an IPTV service in a service area to which the IPTV roaming device subscribes; And upon authentication of an authentication request message including a temporary identifier from the IPTV roaming device through the communication module, authenticating the authority for the IPTV roaming device through the temporary identifier in cooperation with the home service server, And a control module for controlling the IPTV application to be transmitted to the IPTV roaming device through the communication module.

The control module transmits an authentication inquiry message including the temporary identifier to the home service server indicated by the business code of the temporary identifier through the communication module and receives an authentication response message indicating authentication success from the home service server The authentication success is confirmed.

Upon receipt of a content request message requesting content from an IPTV roaming device that has successfully authenticated through the communication module, the control module checks whether the requested content is stored in advance in the storage module, The IPTV roaming device transmits the pre-stored content to the IPTV roaming device through the communication module.

The control module requests the requested content to the home service server if the requested content is not stored in advance, stores the received content in the storage module when the requested content is received from the home service server And transmits the IPTV roaming device to the IPTV roaming device through the communication module.

According to another aspect of the present invention, there is provided a method for providing an IPTV roaming service in an IPTV roaming apparatus, Transmitting an authentication request message including the authentication request message; Receiving an IPTV application from the visited service server if authentication is successful; And outputting a service screen for providing the content list by executing the received IPTV application to a display device.

Transmitting a content request message for requesting content to the visited service server when any content of the content list is selected; And outputting the received content to the display device upon receiving the requested content from the visited service server.

The temporary identifier includes a provider code for identifying a service provider operating the home service server from another service provider, and a device code for distinguishing the IPTV roaming device from another IPTV roaming device.

According to another aspect of the present invention, there is provided a method for providing an IPTV roaming service of a visited service server, the method comprising: receiving an authentication request message including a temporary identifier from an IPTV roaming device; Authenticating an authority for the IPTV roaming device through the temporary identifier in cooperation with a home service server providing an IPTV service in a service area to which the IPTV roaming service is subscribed; And transmitting the IPTV application previously provided from the home service server to the IPTV roaming device when the authentication is successful.

Wherein the authenticating step transmits an authentication inquiry message including the temporary identifier to the home service server indicated by the business code of the temporary identifier and receives an authentication response message indicating authentication success from the home service server, Is confirmed.

Checking whether the requested content is stored in advance when receiving a content request message requesting content from an IPTV roaming device that has succeeded in authentication after transmitting a previously provided IPTV application to the IPTV roaming device; And transmitting the pre-stored content to the IPTV roaming device if the pre-stored content is stored in advance.

Requesting the requested content to the home service server if the content is not stored in advance; And if the requested content is received from the home service server according to the request, storing the received content and transmitting the received content to the IPTV roaming device.

According to the present invention, when an IPTV roaming apparatus according to an embodiment of the present invention is connected to an apparatus including a display, an IPTV roaming service can be automatically provided, so that a user can easily receive an IPTV roaming service.

1 is a view for explaining a system for providing an IPTV roaming service according to an embodiment of the present invention.
2 is a block diagram illustrating a schematic internal structure of an IPTV roaming apparatus according to an embodiment of the present invention.
3 is a block diagram illustrating a schematic internal structure of a visited service server according to an embodiment of the present invention.
4 is a flowchart illustrating a method for providing an IPTV roaming service according to an embodiment of the present invention.
5 is a flowchart illustrating a method for providing an IPTV roaming service of an IPTV roaming device according to an embodiment of the present invention.
6 is a flowchart illustrating a method for providing an IPTV roaming service of a visited service server according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Note that, in the drawings, the same components are denoted by the same reference symbols as possible. Further, the detailed description of known functions and configurations that may obscure the gist of the present invention will be omitted. For the same reason, some of the components in the drawings are exaggerated, omitted, or schematically illustrated.

1 is a view for explaining a system for providing an IPTV roaming service according to an embodiment of the present invention.

Referring to FIG. 1, an IPTV roaming system according to an embodiment of the present invention includes a display device 100, an IPTV roaming device 200, a remote controller 300, a home service server 400 of a home network, And a visiting service server 500 of FIG.

The display device 100 may be any type of device connected to the IPTV roaming device 200 and capable of displaying the content provided by the IPTV roaming device 200 on the screen. The display device 100 may be a smart phone, a tablet, a laptop, a phablet, a personal digital assistant (PDA), an electronic book reader (E- a book reader, a notebook, and the like.

The home service server 400 is a server located in a network of a service provider who subscribes to the IPTV roaming service, and the visited service server 500 is a server located in a network of a service provider affiliated with an operator of the home service network. The IPTV roaming apparatus 200 is for providing an IPTV roaming service to a user who has moved from a service area of a home service provider to a service area of a visiting service provider.

The home service server 400 may provide the IPTV application capable of providing the IPTV service to the visiting service server 500 according to the agreement of the visiting service server 500 in advance. The visiting service server 500 receives and stores the IPTV application in advance. In addition, the home service server 400 provides the IPTV contents to the visiting service server 500 in accordance with the agreement of the visiting service server 500. Then, the visiting service server 500 may store such IPTV contents in advance. When the IPTV roaming device 200 requests authentication, the visiting service server 500 inquires the home service server 400 and proceeds to the authentication process of the IPTV roaming device 200. [ If the authentication result is successful, the visited service server 500 provides the cached IPTV application to the IPTV roaming device 200 and, optionally, the cached IPTV content to the IPTV roaming device 200. [

When the IPTV roaming device 200 is connected to the display device 100, the IPTV roaming device 200 searches for a network. For example, the IPTV roaming apparatus 200 may be connected to an access network (e.g., wifi). The IPTV roaming apparatus 200 can access the visited service server 500 through the discovered network. At this time, the IPTV roaming device 200 can access the visited service server 500 using the previously stored connection address. Then, the IPTV roaming device 200 requests authentication of the visited service server 500 using the temporary identifier previously allocated and stored before roaming. The temporary identifier includes a provider code for distinguishing a service provider operating a home service server 400 from another service provider, and a device code for distinguishing the IPTV roaming device 200 from other IPTV roaming devices.

According to one embodiment, the visiting service server 500 receiving the temporary identifier identifies the home service server 400 through the provider code and transmits the temporary identifier to the identified home service server 400 to request authentication have. According to another embodiment, the visiting service server 500 stores in advance a temporary identifier issued by a home service provider affiliated with, and upon receiving a temporary identifier from the IPTV roaming device 200, compares the temporary identifier with a previously stored temporary identifier, Authentication may be performed. If the authentication is successful, the IPTV roaming device 200 provides the IPTV application. The IPTV roaming apparatus 200 can receive IPTV contents through the IPTV application. And outputs the received IPTV contents to the display device 100. Then, the display apparatus 100 can display the content on the screen.

On the other hand, the remote control apparatus 300 may be a so-called remote controller called a remote controller. The remote controller 300 may be a mobile terminal, a smart phone, a personal digital assistant (PDA), or the like.

2 is a block diagram illustrating a schematic internal structure of an IPTV roaming apparatus according to an embodiment of the present invention.

2, an IPTV roaming apparatus 200 according to an exemplary embodiment of the present invention includes an interface unit 210, a communication unit 220, a remote input receiving unit 230, an input unit 240, a storage unit 250, (260).

The interface unit 210 is for providing contents through data communication with various kinds of display devices 100. For this, the interface unit 210 is implemented in a detachable form with the display device 100.

The communication unit 220 is for communication between the home service server 400 and the visited service server 500. In the case of roaming, when the power is turned on, the communication unit 220 searches for a network, connects to the network, and then connects to the visited service server 500. For this purpose, the communication unit 220 may include an RF transmitter for up-converting and amplifying the frequency of a transmitted signal, and an RF receiver for low-noise amplifying the received signal and down-converting the frequency of the received signal, have. Meanwhile, when the wired communication is performed, the communication unit 220 may be a wired transceiver that transmits and receives data to and from the wired line. That is, the communication unit 220 receives data from the visiting service server 500, outputs the data to the control unit 260, and transmits the data output from the control unit 260 to the visiting service server 500.

The remote input receiving unit 230 receives a control signal for controlling the IPTV roaming device 200 from the remote control device 300 and transmits the control signal to the control unit 260. The remote input receiving unit 230 may receive a control signal using a WPAN (Wireless Personal Area Networks) technology. The remote input receiving unit 230 can receive a control signal from the remote control device 300 using, for example, infrared communication (IrDA), Bluetooth communication, or the like.

The input unit 240 receives a user's key operation for controlling the IPTV roaming device 200, and generates an input signal to transmit the input signal to the controller 260. The input unit 240 may typically include a power key for power on / off, and may be formed of a predetermined function key on one side of the user device 100.

The storage unit 250 stores programs and data necessary for the operation of the IPTV roaming apparatus 200. The storage unit 250 may store various kinds of data generated according to the use of the IPTV roaming apparatus 200 by the user. Each kind of data stored in the storage unit 250 can be deleted, changed, or added according to a user's operation.

The control unit 260 may control the overall operation of the IPTV roaming device 200 and the signal flow between the internal blocks of the IPTV roaming device 200 and may perform a data processing function for processing the data. The controller 150 may be a digital signal processor (DSP), a central processing unit (CPU), an application processor (AP), or the like.

When the power source is connected, the control unit 260 searches the network through the communication unit 220 and accesses the visiting service server 500. Then, the control unit 260 transmits an authentication request message including the temporary ID to the visiting service server 500. The temporary identifier includes a provider code for distinguishing a service provider operating a home service server 400 from another service provider, and a device code for distinguishing the IPTV roaming device 200 from other IPTV roaming devices. Therefore, the visiting service server 500 can interoperate with the home service server 400 indicated by the provider code, and proceed with the authentication process using the temporary identifier. If the authentication is successful, the control unit 260 can receive the IPTV application from the visiting service server 500 through the communication unit 220. [ Then, the control unit 260 outputs the service screen to the display device 100 through the interface unit 210 by executing the IPTV application and providing the content list.

The control unit 260 may receive an input signal or a control signal for selecting any one of the contents list provided through the remote input receiving unit 230 or the input unit 240 as a service screen. Then, the control unit 260 transmits a content request message requesting the content to the visiting service server 500 through the communication unit 220. Accordingly, the control unit 260 can receive the content requested from the visiting service server 500 through the communication unit 220. [ Then, the control unit 260 outputs the content received through the interface unit 210 to the display device 100.

3 is a block diagram illustrating a schematic internal structure of a visited service server according to an embodiment of the present invention.

The visited service server 500 according to the embodiment of the present invention includes a communication module 510, a storage module 520, and a control module 530.

The communication module 510 is for communicating with the IPTV roaming device 200 and the home service server 400 through the network. In particular, the communication module 510 transmits and receives various kinds of data, messages, and the like to and from the IPTV roaming device 200 and the home service server 400 through the network.

The storage module 520 stores programs and data necessary for the operation of the visited service server 500, and can be divided into a program area and a data area. The program area may store a program for controlling overall operation of the visited service server 500 and an operating system (OS) for booting the visited service server 500, an application program, and the like. The data area stores an IPTV application according to an embodiment of the present invention and may store specific contents in advance. Each kind of data stored in the storage module 330 can be deleted, changed, or added according to a user's operation.

The control module 530 may control the overall operation of the visited service server 500 and the signal flow between the internal blocks of the visited service server 500 and may perform a data processing function for processing the data. The control module 530 may be a central processing unit (CPU), an application processor, or the like.

A storage module for storing an IPTV application received from a home service server providing an IPTV service in a service area to which the IPTV roaming device subscribes; And

The control module 530 may receive the authentication request message including the temporary identifier from the IPTV roaming device 200 through the communication module 510. [ The temporary identifier includes a provider code for distinguishing a service provider operating a home service server 400 from another service provider, and a device code for distinguishing the IPTV roaming device 200 from other IPTV roaming devices. Accordingly, according to one embodiment, the control module 530 can perform an authentication procedure for authenticating the authority to the IPTV roaming device 200 via the temporary identifier in cooperation with the home service server 400 indicated by the provider code have. According to another embodiment, the control module 530 stores a temporary identifier issued by a home service provider in cooperation with the IPTV roaming device 200. When receiving the temporary identifier from the IPTV roaming device 200, the control module 530 compares the temporary identifier with a previously stored temporary identifier, . ≪ / RTI > At this time, if the authentication is successful, the control module 530 transmits the IPTV application stored in advance in the storage module 520 to the IPTV roaming device through the communication module 510.

In addition, the control module 530 can receive a content request message requesting content from the IPTV roaming device 200 authenticated through the communication module 510. Then, the control module 530 confirms whether the requested content is stored in the storage module 520 in advance. If the requested content is stored in advance, the control module 530 transmits the content stored in advance through the communication module 510 to the IPTV roaming device 200. On the other hand, if the confirmation result is not stored in advance, the control module 530 requests the requested content to the home service server 400, and when receiving the requested content from the home service server 400, (520) and transmits the IPTV roaming device (200) through the communication module (510).

As described above, the storage module 520 according to the embodiment of the present invention is applied with a caching technique for storing an IPTV application and contents in advance. The storage module 520 is implemented as a component in the visited service server 400, but the present invention is not limited thereto. The storage module 520 may be implemented as an independent caching server, and the caching server may store the IPTV application and contents in advance.

When receiving the application request message through the communication module 510, the control module 530 of the visited service server 400 may instruct the caching server to transmit the IPTV application to the corresponding IPTV roaming device 200 have. When receiving the content request message through the communication module 510, the control module 530 of the visited service server 400 may instruct the caching server to transmit the requested content to the corresponding IPTV roaming device 200 have. At this time, if the caching server stores the content, the caching server can transmit the content to the IPTV roaming device 200. [ On the other hand, if the caching server does not store the content, the content may be received from the home service server 400 and cached, and the cached content may be transmitted to the IPTV roaming device 200.

4 is a flowchart illustrating a method for providing an IPTV roaming service according to an embodiment of the present invention.

Referring to FIG. 4, when the IPTV roaming apparatus 200 is powered on, the IPTV roaming apparatus 200 searches for a network in step S100, and accesses the visiting service server 500 through a network in step S110.

Next, in step S115, the IPTV roaming device 200 transmits an authentication request message including a temporary identifier to the visiting service server 500 in order to request the provision of the IPTV roaming service. Here, the temporary identifier is temporarily allocated by the home service server 400 to provide the roaming service.

The visited service server 500 having received the authentication request message transmits an authentication inquiry message to the home service server 400 to inquire whether the IPTV roaming device 200 transmitting the temporary ID in step S120 is authorized to receive the roaming service send. Here, the authentication query message includes a temporary identifier transmitted by the IPTV roaming apparatus 200. [

The home service server 400 receiving the authentication query message can determine whether the corresponding IPTV roaming device 200 is authorized to receive the roaming service through the temporary identifier of the authentication query message. Thus, authentication can be performed. If the temporary ID of the authentication query message is a temporary ID issued by the home service server 400, the home service server 400 authenticates the temporary ID.

If the authentication is successful, the home service server 400 transmits an authentication response message to the visiting service server 500 indicating that the authentication is successful in step S125. Accordingly, the visiting service server 500 can recognize that the IPTV roaming device 200 has the right to receive the IPTV roaming service.

Accordingly, the visiting service server 500 transmits, in response to the authentication request message in step S115, an authentication success message to the IPTV roaming device 200 indicating that the authentication is successful in step S130. The authentication success message includes a roaming identifier that can be used in place of the temporary identifier, and the roaming identifier is issued by the visited service server 500.

Upon receiving the authentication success message, the IPTV roaming device 200 can recognize that the authentication has succeeded and can access the visiting service server 500 again through the roaming identifier of the authentication success message in step S135.

Then, in step S140, the IPTV roaming apparatus 200 transmits an application request message for requesting the IPTV application to the visited service server 500. [ The visited service server 500 receiving the IPTV application transmits the IPTV application to the IPTV roaming device 200 in step S145. The IPTV application is stored in advance in the visited service server 500 according to the agreement between the service provider operating the home service server 400 and the service provider 500 operating the service. Accordingly, when receiving the IPTV application, the IPTV roaming device 200 can download the IPTV application directly from the home service server 500, not from the home service server 400 located in the home service network .

The IPTV roaming device 200 executes the downloaded IPTV application in step S150 and outputs a service screen for providing an IPTV service by the IPTV application. Then, the display device 100 connected to the IPTV roaming device 200 displays the output service screen. The service screen basically displays the contents that can be provided. Here, the content may represent a broadcast program according to each channel.

The user can check the content through the service screen and select the desired content through the input tool. Here, the input tool may be the input unit 240 or the remote controller 300 provided in the IPTV roaming apparatus 200. [ If the content is selected, the IPTV roaming device 200 transmits a content request message requesting the content selected by the user to the visiting service server 500 in step S155.

As described above, the visiting service server 500 can store contents according to the agreement of the operator operating the home service server 400 and the service provider operating the visiting service server 500 in advance. Accordingly, the visited service server 500 receiving the content request message determines whether the requested content is stored in advance. That is, it is determined whether the requested content is cached content. Here, it is assumed that the requested content is stored in the visiting service server 500 in advance. Accordingly, the visited service server 500 can transmit the corresponding content to the IPTV roaming device 200 in step S160.

The IPTV roaming device 200 outputs the content received in step S165 and the display device 100 can display the content output from the IPTV roaming device 200 on the screen in step S175. As described above, according to the embodiment of the present invention, since the content is stored in advance, the content can be provided at a fast response speed.

On the other hand, unlike the above, if the content is not cached, the visiting service server 500 delivers the content request message to the home service server 400, receives the content from the home service server 400, The IPTV roaming device 200 can perform a caching operation for storing content and transmit the IPTV roaming device 200 to the IPTV roaming device 200. If the same content is requested later, since the corresponding content is stored in advance, it is possible to provide a service with a fast response speed as in the case of caching described above.

5 is a flowchart illustrating a method for providing an IPTV roaming service of an IPTV roaming device according to an embodiment of the present invention.

5, when the IPTV roaming apparatus 200 is powered on and connected to a specific display apparatus 100 through the interface unit 210, the control unit 260 of the IPTV roaming apparatus 200 transmits, in step S205, Searches the network through the network 220 and accesses the visiting service server 500 through the network in step S210. In step S215, the control unit 260 transmits an authentication request message requesting the IPTV roaming service provision through the communication unit 220 to the visiting service server 500. [ Here, the authentication request message includes a temporary identifier, and the temporary identifier is issued by the home service server 400 to provide a roaming service.

The visited service server 500 receiving the authentication request message transmits an authentication inquiry message including the temporary identifier transmitted by the IPTV roaming device 200 to the home service server 400. Then, the home service server 400 performs authentication through the temporary identifier of the authentication query message. At this time, if the temporary ID of the authentication inquiry message is a temporary ID issued by the home service server 400, the home service server 400 may allow the IPTV roaming device 200 to receive the IPTV roaming service . If the authentication is successful, the home service server 400 transmits an authentication response message to the visiting service server 500 informing that the authentication is successful. Accordingly, the visiting service server 500 transmits the authentication success message to the IPTV roaming device 200, including the roaming identifier in response to the authentication request message of the IPTV roaming device 200, indicating that the authentication is successful.

Accordingly, when the control unit 260 of the IPTV roaming device 200 receives the authentication success message through the communication unit 220 in step S220, the control unit 260 recognizes that the authentication is successful through the authentication success message. Then, the control unit 260 can access the visiting service server 500 through the roaming identifier of the authentication success message through the communication unit 220 in step S225.

Next, the control unit 260 transmits an application request message for requesting the IPTV application to the visited service server 500 through the communication unit 220 in step S230. The visited service server 500 receiving the IPTV application transmits the IPTV application to the IPTV roaming device 200. The IPTV application is stored in advance in the visited service server 500 according to the agreement between the service provider operating the home service server 400 and the service provider 500 operating the service. Accordingly, the control unit 260 receives the IPTV application through the communication unit 220 in step S235. When the control unit 260 downloads the IPTV application through the communication unit 220, the control unit 260 can download the IPTV application directly from the home service server 500 instead of downloading it from the home service server 400 located in the home service network. Therefore, download time can be reduced.

Next, the control unit 260 executes the downloaded IPTV application, and in step S240, the IPTV application outputs a service screen for providing an IPTV service through the interface unit 210. [ Then, the display device 100 connected to the IPTV roaming device 200 will display the output service screen. The service screen basically displays the contents that can be provided. Here, the content may represent a broadcast program according to each channel.

The user can check the content through the service screen and select the desired content through the input tool. Here, the input tool may be the input unit 240 or the remote controller 300. If a desired content is selected through the remote control device 300, the remote control device 300 generates and transmits a control signal for requesting reproduction of the corresponding content. In this case, the control unit 260 may receive a control signal requesting playback of the specific content through the remote input receiving unit 230 in step S245. Accordingly, the control unit 260 transmits a content request message requesting the corresponding content to the visiting service server 500 through the communication unit 220 in step S250.

As described above, the visiting service server 500 can store contents according to the agreement of the operator operating the home service server 400 and the service provider operating the visiting service server 500 in advance. Accordingly, the visited service server 500 receiving the content request message determines whether the requested content is stored in advance. If the content is cached content, the visited service server 500 can transmit the content to the IPTV roaming device 200. [ On the other hand, if the content is not the cached content, the visiting service server 500 transmits the content request message to the home service server 400, receives the content from the home service server 400, and stores the received content The IPTV roaming device 200 will perform a caching operation and transmit the IPTV roaming device 200 to the IPTV roaming device 200.

Accordingly, the controller 260 receives the content through the communication unit 220 in step S255, and outputs the received content to the display device 100 through the interface unit 210 in step S260. Accordingly, the display device 100 can display the output content on a screen. As described above, according to the embodiment of the present invention, since content caching is provided, content can be provided at a fast response speed.

6 is a flowchart illustrating a method for providing an IPTV roaming service of a visited service server according to an embodiment of the present invention.

Referring to FIG. 6, when the IPTV roaming apparatus 200 is powered on, the IPTV roaming apparatus 200 searches for a network and then connects to the visiting service server 500 through the network. Then, the IPTV roaming apparatus 200 transmits an authentication request message including a temporary identifier to the visiting service server 500 to automatically request the provision of the IPTV roaming service. Here, the temporary identifier is temporarily allocated by the home service server 400 to provide the roaming service.

The control module 530 of the visited service server 500 receives the authentication request message through the communication module 510 in step S310 and then transmits the temporary ID to the IPTV roaming device 200 Transmits an authentication inquiry message to the home service server 400 to inquire whether the home service server 400 is authorized to receive the roaming service. Here, the authentication query message includes a temporary identifier transmitted by the IPTV roaming apparatus 200. [

The home service server 400 receiving the authentication query message can determine whether the corresponding IPTV roaming device 200 is authorized to receive the roaming service through the temporary identifier of the authentication query message. Here, it is assumed that the temporary ID of the authentication query message is a temporary ID issued by the home service server 400. Then, the authentication will be successful, and the home service server 400 will send an authentication response message to the visiting service server 500 informing that the authentication is successful. Accordingly, when the control module 530 of the visiting service server 500 receives the authentication response message through the communication module 510 in step S320, it is determined that the IPTV roaming device 200 has the right to receive the IPTV roaming service It can be recognized.

Accordingly, the control module 530 transmits an authentication success message to the IPTV roaming device 200 in response to the authentication request message of the IPTV roaming device 200 in step S325. The authentication success message includes a roaming identifier usable in place of the temporary identifier, and the roaming identifier is issued by the visiting service server 500. [ Upon receiving the authentication success message, the IPTV roaming device 200 can recognize that the authentication is successful and can access the visiting service server 500 again through the roaming identifier of the authentication success message.

Then, the IPTV roaming device 200 automatically transmits an application request message for requesting the IPTV application to the visited service server 500. Accordingly, when the control module 530 receives the application request message in step S330, the control module 530 transmits the IPTV application stored in the storage module 520 to the IPTV roaming device 200 through the communication module 510 in step S335. The IPTV application is received in advance by a service provider operating a home service server 400 and a service provider operating a visit service server 500 and stored in the storage module 520 of the visit service server 500 in advance. Accordingly, when the IPTV application is transmitted through the communication module 510, the control module 530 of the visited service server 500 receives and transmits the IPTV application from the home service server 400 located in the home service network But may be extracted from the storage module 520 and transferred immediately.

The IPTV roaming device 200 installs the received IPTV application and outputs a service screen for providing an IPTV service to the display device 100 by the IPTV application. Then, the display device 100 connected to the IPTV roaming device 200 displays the output service screen. The service screen basically displays a list of contents that can be provided by the IPTV service. Here, the content may represent a broadcast program according to each channel. The user can check the content through the service screen and select the desired content through the input tool. Here, the input tool may be the input unit 240 or the remote controller 300 provided in the IPTV roaming apparatus 200. [

When the content is selected, the IPTV roaming device 200 will transmit a content request message requesting the content selected by the user to the visiting service server 500. The control module 530 of the visiting service server 500 may store the contents in advance in the storage module 520 according to the agreement between the service provider operating the home service server 400 and the service provider operating the visiting service server 500 . Accordingly, when the control module 530 of the visited service server 500 receives the content request message through the communication module 510 in step S340, it determines whether the content requested in step S345 is stored in the storage module 520 in advance . That is, it is determined whether the requested content is cached content.

If it is determined in step S345 that the requested content is content stored in the storage module 520 in advance, the control module 530 transmits the content stored in the storage module 520 to the IPTV roaming device 200).

On the other hand, if it is determined in step S345 that the requested content is not stored in the storage module 520 in advance, the control module 530 receives the corresponding content from the home service server 400 in step S355. That is, the control module 530 delivers the content request message to the home service server 400 through the communication module 510, and receives the content from the home service server 400 in response thereto. Then, the control module 530 performs a caching operation of storing the content received in step S360 in the storage module 520 and transmits the content to the IPTV roaming device 200. [

The IPTV roaming device 200 receives the content and outputs it to the display device 100. Then, the display device 100 can display the content on the screen. As described above, according to the embodiment of the present invention, since the content is stored in advance, the content can be provided at a fast response speed.

The method for providing IPTV roaming service according to an embodiment of the present invention as described above may be provided in the form of a computer readable medium suitable for storing computer program instructions and data. At this time, a computer-readable medium suitable for storing computer program instructions and data includes, for example, a magnetic medium such as a hard disk, a floppy disk and a magnetic tape, a compact disk read only memory (CD-ROM) Optical media such as a DVD (Digital Video Disk), a magneto-optical medium such as a floppy disk, and a ROM (Read Only Memory), a RAM , Random Access Memory), flash memory, EPROM (Erasable Programmable ROM), and EEPROM (Electrically Erasable Programmable ROM). The processor and memory may be supplemented by, or incorporated in, special purpose logic circuits. Examples of program instructions may include machine language code such as those generated by a compiler, as well as high-level language code that may be executed by a computer using an interpreter or the like. Such a hardware device may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

It should be noted that the embodiments of the present invention disclosed in the present specification and drawings are only illustrative of the present invention in order to facilitate description of the present invention and to facilitate understanding of the present invention and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.

100: display device
200: IPTV roaming device
210:
220:
230: Remote input receiver
240: input unit
250:
260:
300: Remote control unit
400: home service server
500: Visiting service server

Claims (14)

An IPTV roaming apparatus for providing an IPTV roaming service,
A communication unit for communicating with a visited service server that provides a service in a roaming service area;
An interface unit detachably connected to the display device; And
When the power is connected, an authentication request message including a temporary identifier is transmitted to the visiting service server through the communication unit. When authentication is successful, the IPTV application is received from the visited service server, and the IPTV application is executed to provide a content list And outputting the service screen to the display device through the interface unit. The IPTV roaming device for providing an IPTV roaming service. The method according to claim 1,
The control unit
When the content is selected from the content list, requests the content to the visited service server through the communication unit, receives the requested content from the visited service server, and outputs the received content to the display device through the interface unit And the IPTV roaming device is provided to provide an IPTV roaming service. The method according to claim 1,
The temporary identifier
A provider code for distinguishing a service provider operating the home service server from another service provider, and a device code for distinguishing the IPTV roaming device from other IPTV roaming devices, IPTV roaming device for. 1. A visited service server for providing an IPTV roaming service in a roaming service area,
A communication module for communicating with an IPTV roaming device;
A storage module for storing an IPTV application received from a home service server providing an IPTV service in a service area to which the IPTV roaming device subscribes; And
Upon receiving an authentication request message including a temporary identifier from the IPTV roaming device through the communication module, authenticates the authority for the IPTV roaming device through the temporary identifier in cooperation with the home service server, ,
And controlling the IPTV application to be transmitted to the IPTV roaming device through the communication module. 5. The method of claim 4,
The control module
Transmitting an authentication inquiry message including the temporary identifier to a home service server indicated by the business code of the temporary identifier through the communication module and receiving an authentication response message indicating authentication success from the home service server, And the IPTV roaming service is provided to the visited service server. 5. The method of claim 4,
The control module
The IPTV roaming device may be configured to determine whether the requested content is stored in advance in the storage module when the content request message is received from the IPTV roaming device that has successfully authenticated through the communication module, And transmits the content to the IPTV roaming device through the communication module. The method according to claim 6,
The control module
Requesting the requested content from the home service server if the requested content is not stored in advance, storing the received content in the storage module when the requested content is received from the home service server, And transmitting the IPTV roaming service to the IPTV roaming device. A method for providing an IPTV roaming service of an IPTV roaming device,
Transmitting an authentication request message including a temporary identifier to a visiting service server providing a service in a roaming service area when the power is connected;
Receiving an IPTV application from the visited service server if authentication is successful; And
And outputting a service screen for providing a content list by executing the received IPTV application to a display device. The method for providing an IPTV roaming service in an IPTV roaming system, 9. The method of claim 8,
Transmitting a content request message for requesting content to the visited service server when any content of the content list is selected; And
And outputting the received content to the display device upon receiving the requested content from the visited service server. 9. The method of claim 8,
The temporary identifier
And a device code for distinguishing a provider operating the home service server from another provider and distinguishing the IPTV roaming device from another IPTV roaming device, and a device code for identifying the IPTV roaming device from another IPTV roaming device. A method for providing a service. A method for providing an IPTV roaming service of a visited service server,
When receiving an authentication request message including a temporary identifier from an IPTV roaming device, associating the IPTV roaming device with a home service server providing an IPTV service in a service area to which the IPTV roaming device subscribes, ; And
And transmitting the IPTV application previously provided from the home service server to the IPTV roaming device when the authentication is successful. ≪ RTI ID = 0.0 > [10] < / RTI > 12. The method of claim 11,
Wherein the authenticating step transmits an authentication inquiry message including the temporary identifier to the home service server indicated by the business code of the temporary identifier and receives an authentication response message indicating authentication success from the home service server, Wherein the IPTV roaming service is provided to the visited service server. 12. The method of claim 11,
Upon receipt of a content request message requesting content from an IPTV roaming device that has successfully authenticated, checking whether the requested content is stored in advance; And
And transmitting the pre-stored content to the IPTV roaming device if the pre-stored content is previously stored in the IPTV roaming device. 14. The method of claim 13,
Requesting the requested content to the home service server if the content is not stored in advance;
And storing the received content and transmitting the received content to the IPTV roaming device when the requested content is received from the home service server according to the request. Lt; / RTI >
KR1020140002231A 2014-01-08 2014-01-08 Apparatus and Method for providing IPTV roaming service KR20150082815A (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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