KR100705935B1 - Method and apparatus and system for delivering contents in mobile communication system and system including thereof - Google Patents

Abstract

Disclosed are a method, an apparatus, and a system for transmitting content in a mobile communication network. The present invention includes the steps of: A) inserting the content on a predetermined dedicated line for transmitting the content transmitted from the content providing server to the mobile terminal through the mobile communication network; B) extracting the content from the leased line and storing the content in a predetermined server for transmission to the mobile terminal; C) determining whether the content is stored in response to receiving a message requesting to provide the content from the mobile terminal to the predetermined server; D) if the content is stored as a result of the determination of step C), providing the content to the mobile terminal through a BTS, thereby effectively transmitting the content in the mobile communication network.

Mobile communication system, content, transmission method

Description

METHOD AND APPARATUS AND SYSTEM FOR DELIVERING CONTENTS IN MOBILE COMMUNICATION SYSTEM AND SYSTEM INCLUDING THEREOF}

1 and 2 illustrate a system for transmitting content in a mobile communication network according to a first embodiment of the present invention.

3 illustrates a system for transmitting content in a mobile communication network according to a second embodiment of the present invention.

4 is a flowchart illustrating a method for transmitting content in a mobile communication network according to an embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

100: mobile terminal

200: base station (BTS)

300, 700: content transmission device

400: content management device

500: BSC

520: MSC

540: PDSN

600: content providing server

The present invention relates to a system for effectively delivering content in a mobile communication network, and more particularly, to a method and apparatus for transmitting content in a mobile communication network for providing content using a content delivery network (CDN), and a system thereof. It is about.

In general, a system for a mobile communication service such as CDMA or PCS has a structure that provides an immediate service by delivering voice and data whenever a user requests.

However, in order to provide such a service, the mobile communication system degrades the quality of the service when the user's service demand exceeds the traffic capacity of the network, and does not immediately respond to the request of some users or provide the service. You can't.

Therefore, a network operator having a mobile communication network should secure an efficient method of using the network, thereby efficiently responding to user's demands that change over time, thereby effectively providing user services without spending additional network investment. There is a problem that needs to be able to respond to requests.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an external network through a mobile communication network that provides content through a content delivery network (CDN) in order to effectively deliver content in a mobile communication network. The present invention provides a method and apparatus for transmitting content in a mobile communication network for transmitting content, and a system thereof.

Method for transmitting content in a mobile communication network according to the first aspect of the present invention for achieving the above object,
A) inserting the content in the spare portion of the traffic capacity (Traffic Capacity) on a predetermined dedicated line for transmitting the content transmitted from the content providing server to a mobile terminal or a terminal connected to an external network through a mobile communication network;
B) extracting the content from the leased line and storing the content in the content transmission apparatus to be transmitted to the mobile terminal or the terminal;
C) determining whether the content is stored in response to receiving a message requesting the provision of the content from the mobile terminal or the terminal; And

D) if the content is stored as a result of the determination of step C), providing the content to the mobile terminal or the terminal through the BTS.

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An apparatus for transmitting content in a mobile communication network according to a second aspect of the present invention for achieving the above object,
A data extraction module for extracting content transmitted from a content providing server from a dedicated line and determining whether to transmit or store the content to a mobile terminal;
A monitoring module for monitoring a traffic capacity of a dedicated line connected to the content providing server; And

And a content management module for providing content requested from a mobile terminal or a terminal connected to an external network, and downloading updated content from the content providing server when the traffic module has a sufficient capacity as a result of the monitoring module. It is characterized in that the configuration.

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A system for transmitting content in a mobile communication network according to a third aspect of the present invention for achieving the above object,
The content transmitted from the content providing server is stored in a predetermined database, and the content is inserted in a spare portion of a traffic capacity on a predetermined leased line for transmission to a mobile terminal or a terminal connected to an external network through a mobile communication network. A content management device for performing; And

And a content transmission device for extracting the content inserted into the dedicated line according to the request of the mobile terminal or the terminal and transmitting the extracted content to the mobile terminal or the terminal.

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Therefore, according to the present invention, it is possible to effectively transmit content in a mobile communication network.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention.

1 illustrates a system for transmitting content in a mobile communication network according to a first embodiment of the present invention.

Referring to FIG. 1, a system for providing content of the present invention includes a mobile terminal 100 for requesting content and receiving the requested content, a content providing server 600 for providing the content, and a BSC 500. A content management device (400) installed at the end and receiving the content and inserted into the charter line, and a content delivery device (BTS 200) installed at the end and extracting the content inserted into the dedicated line and transmitting the extracted content to the BTS (200). 300).

The content providing server 600 stores and manages a large amount of content such as a movie, animation, music video, etc., which can be transmitted to the mobile terminal 100 through a mobile communication network.

The device is implemented to effectively deliver the content received from the content providing server 600 to the content delivery device 300. When the content providing server 600 transmits content, the content management device 400 The content is inserted according to the transmission method of the leased line.

In this case, the content management device 400 may include a BTS (BTS) from at least one of the mobile communication network, that is, a mobile switching center (MSC) 520, a packet data serving node (PDSN) 540, and a base station controller (BSC) 500. The content is inserted into the portion where the CDMA data transmitted to the transmission line 200 is not transmitted, that is, the portion of which there is a transmission capacity of the dedicated line transmission capacity.

In this case, when the content management device 400 inserts the CDMA data and the content together in a dedicated line, the content management device 400 extracts the content and transmits the content to the BTS 200 or the external network as necessary. .

Examples of the external network include a high speed internet network, a broadcasting network, and a cable network.

In addition, as an example of the leased line, there are leased lines of various grades such as E1, T1, and E3, and the content is transmitted using a synchronous or asynchronous (ATM) method using the leased line.

In addition, the content management device 400 periodically accesses the content providing server 600 and downloads the updated content in order to update the content stored in its database 420. Preferably, when there is a margin in the traffic capacity of the mobile communication network, that is, when the traffic capacity is less than a predetermined index, the content management device 400 accesses and updates the content providing server 600. To download the downloaded content.

The dedicated line 250 connecting the BSC 500 and the BTS 200 uses a dedicated line such as E1, and the content is transmitted using the dedicated line 250 according to a data transmission method in the corresponding dedicated line.

FIG. 2 is a method of positioning a storage location of the content in FIG. 1 in a content delivery device near the BTS 200, thereby providing a margin of transmission of a dedicated line traffic capacity between the BSC 500 and the BTS 200. FIG. When there is, by downloading and storing the content to the content delivery device 300 near the BTS 200, the function of the database 420 connected to the content management device 400 of FIG. will be.

In this case, the content management apparatus 400 monitors whether there is a transmission margin on the dedicated line in order to deliver the content on the dedicated line, and transmits the content to the content transmission apparatus 300 when there is a transmission margin. The content transmission device 300 monitors the data transmitted to the dedicated line in order to receive the content delivered from the dedicated line, extracts the content delivered to the dedicated line, and stores the content transmitted to the dedicated line in the connected database 420.

3 illustrates a system for transmitting content in a mobile communication network according to a second embodiment of the present invention.

Referring to FIG. 3, the content transmission device 700 according to the second embodiment includes a content extraction module 710, a monitoring module 730, a content management module 750, and a database 770.

The monitoring module 730 of the content transmission device 700 continuously monitors the traffic capacity of the mobile communication network, and if there is a margin in traffic capacity, that is, less than or equal to a predetermined index, the content providing server 600 provides information about the content. By requesting an update, the downloaded content is stored in the database 770.

In an application example, the BSC 500 determines whether there is content to be delivered to the content delivery device 700 and not delivers the content to the content delivery device 700, rather than the request of the content storage device 700. It is possible to take the way.

When the content transmission device 700 downloads content from the content providing server 600, the CDMA data and the content are transmitted together from the BSC 500 to the BTS 200 through the dedicated line 250. Accordingly, the content extraction module 710 of the content delivery device 700 extracts the content from the CDMA data transmitted through the dedicated line 250, and transmits the content to the content and database 770 to be transmitted to the mobile terminal 100. Separate the content to save.

In an application example, when the BSC 500 determines whether there is content to be delivered to the content storage device 700 and delivers it to the content storage device 700, the content storage device 700 and the BTS 200 are provided. To receive only content that comes to it.

In addition, when the mobile terminal 100 requests a predetermined content, the content transmission device 700 searches for its own database 770 and retrieves the content stored in the database 770 when the content is stored. Immediately transmits to the mobile terminal 100.

However, when the predetermined content requested by the mobile terminal 100 does not exist in the database 770, the content transmission device 700 may provide the content providing server 600 through the BSC 500 and the PDSN 540. Directly access to download the content and transmit it to the mobile terminal (100).

The operating state of the present invention configured as described above will be described.

4 is a flowchart illustrating a method for transmitting content in a mobile communication network according to an embodiment of the present invention.

Unlike a system in which a mobile terminal 100 or a terminal (not shown) connected to an external network directly connects to a content providing server 600 to download desired content, downloads the content to a predetermined server, and then, 100 or the terminal first inquires the desired content to the predetermined server and then accesses and downloads the content providing server 600 only when the desired content does not exist (S300, S310, S320, S330). .

In addition, even when receiving the content requested by the mobile terminal 100 or the terminal from the content providing server 600, by storing the content in a database interoperating with the predetermined server, the other mobile terminal 100 or other When the content is requested by the terminal, the content can be downloaded immediately (S340 and S350).

As described in detail above, according to the method, apparatus and system for transmitting content in a mobile communication network of the present invention, by effectively delivering a large amount of content generating excessive traffic to a user of a mobile terminal or a terminal connected to an external network The quality of service can be improved and the base of various services using contents can be secured.

In other words, when a mobile communication network is available, a large amount of content is distributed to a predetermined server using a network, and a mobile terminal or a terminal connected to an external network may download desired content from a server closest to where it is located. This can reduce the load on the mobile communication network. In addition, the mobile communication network can be utilized as a content delivery network (CDN) to various external networks.

That is, according to the present invention, by efficiently delivering the content in the middle mile from the content providing server to the base station (BTS), the service from the base station to the mobile terminal that is the last mile (ie, the wireless service interval) By increasing the quality and reducing the traffic in the middle mile, it is possible to provide an environment that facilitates the transmission of traffic between users, such as peer to peer (P2P).

Although the present invention has been described in detail with reference to preferred embodiments, the present invention is not limited to the above-described embodiments, and the technical field to which the present invention belongs without departing from the gist of the present invention as claimed in the following claims. Anyone skilled in the art will have the technical idea of the present invention to the extent that various modifications or changes are possible.

Claims (16)

A) inserting the content in the spare portion of the traffic capacity (Traffic Capacity) on a predetermined dedicated line for transmitting the content transmitted from the content providing server to a mobile terminal or a terminal connected to an external network through a mobile communication network; B) extracting the content from the leased line and storing the content in the content transmission apparatus to be transmitted to the mobile terminal or the terminal; C) determining whether the content is stored in response to receiving a message requesting the provision of the content from the mobile terminal or the terminal; And And D) providing the content to the mobile terminal or the terminal through a BTS when the content is stored as a result of the determination of step C). delete The method of claim 1, wherein the method is E) A method for transmitting content in a mobile communication network, characterized in that the content management device inserting the content (inserting) and the content transmission device (extracting). The method of claim 3, wherein the method is F) if the content is not stored in the content delivery device as a result of the determination of step C), the content delivery device further comprises the step of requesting and obtaining the content from the content providing server; Method of transmitting content in a mobile communication network. The method of claim 4, wherein the content is content including at least one of a movie, animation, music, sports, game, stock, and music video. The method of claim 5, wherein the leased line uses one of E1, T1, and E3 leased lines, and the content is transmitted using the leased line using a synchronous or asynchronous (ATM) method. Method of transmitting content in a communication network. A data extraction module for extracting content transmitted from a content providing server from a dedicated line and determining whether to transmit or store the content to a mobile terminal; A monitoring module for monitoring a traffic capacity of a dedicated line connected to the content providing server; And And a content management module for providing content requested from a mobile terminal or a terminal connected to an external network, and downloading updated content from the content providing server when the traffic module has a sufficient capacity as a result of the monitoring module. Apparatus for transmitting content in a mobile communication network, characterized in that configured. The method of claim 7, wherein the apparatus, Apparatus for transmitting content in a mobile communication network, characterized in that the content is provided from the content providing server through a packet data serving node (PDSN). The content transmitted from the content providing server is stored in a predetermined database, and the content is inserted in a spare portion of a traffic capacity on a predetermined leased line for transmission to a mobile terminal or a terminal connected to an external network through a mobile communication network. A content management device for performing; And And a content transmission device for extracting the content inserted into the dedicated line according to the request of the mobile terminal or the terminal and transmitting the extracted content to the mobile terminal or the terminal. 10. The method of claim 9, wherein the content management device, And inserting the content into a portion where the CDMA data received from the mobile communication network is not transmitted, and transmitting the content. The method of claim 10, wherein the content transmission device, And transmitting the CDMA data and the content from the content management device to the BTS or the terminal. delete The method of claim 11, wherein the content transmission device, When the traffic capacity of the mobile communication network is continuously monitored and the traffic capacity is less than a predetermined index, request the content providing server to update the content, download the updated content, or insert the content by monitoring the dedicated line. A system for transmitting content in a mobile communication network, characterized in that extracted later. The method of claim 13, wherein the dedicated line, It uses various grades such as E1, T1, E3, connects between BSC and BTS of the mobile communication network, and transmits the content in a synchronous or asynchronous manner by using the dedicated line. System to transfer them. 15. The system of claim 14, wherein the content is content including various fields such as movie, animation, music, sports, game, stock, and music video. The method of claim 15, wherein the external network, A system for transmitting contents in a mobile communication network, which is one of a high speed internet network, a cable network, and a broadcasting network.

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