KR20080041905A - Content sharing method and system using multicasting - Google Patents

Abstract

The present invention relates to a method and system for sharing content using multicasting, comprising: a multicasting apparatus for transmitting a shared content list and shared content to a plurality of viewer terminals using a common channel; And storing the shared content uploaded from a plurality of producer terminals through a wired / wireless communication network, and transmitting the shared content list including the list of the shared content to the plurality of viewer terminals using the common channel. And receiving content request information for requesting the shared content from a viewer terminal, simultaneously transmitting the shared content to the plurality of viewer terminals using the common channel.

According to the present invention, by providing a shared content sharing method and system using multicasting, it is possible to quickly enjoy the content in real time, and to save the wireless bandwidth of the mobile communication network, thereby greatly activating the wireless data service I can contribute.

Description

Method and System for Sharing Contents using Multicasting {Method and System for Sharing Contents by Using Multicasting}

1 is a block diagram showing the configuration of a content sharing system using multicasting according to an embodiment of the present invention;

2 is a flowchart illustrating a content sharing method using multicasting according to an embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

110: wired and wireless communication network 112: producer terminal

120: content sharing server 130: multicasting device

140: RNC 150: first node

160: second node 170: viewer terminal

The present invention relates to a content sharing method and system, and more particularly, to a content sharing method and system using multicasting.

As the Internet has progressed a lot, there have been many changes on the Internet, and these changes have always been brought in favor of users. This is because the behavior of users is communicated directly through the Internet, which has a profound effect on revenue generation through the Internet.

In general, everything that a user uses on the Internet is called content, and such content has gone beyond simple text-oriented content in the early days of the Internet, and now aims for content toward multimedia through images. As such, contents exist on the web in various forms and wait for users. Contents providers (CP: Contents Provider), which are behind the contents provided by the websites themselves, are now handling these various contents and distribute them professionally. ) Appeared.

In addition, with the development of the Internet, the mobile communication business has grown rapidly, and now the concept of the wireless Internet combined with the Internet and mobile communication has been created.

Therefore, the content provider can upload content including images or videos taken using a mobile phone, a camera, a camcorder, etc. to a specific server through wired or wireless communication, and the uploaded content can be shared by a plurality of users. It became.

However, the conventional content sharing method is mainly through wired communication due to high bandwidth consumption and real-time delivery of the content, and increases the amount of traffic in the wireless communication network when multiple users enjoy the same content through wireless communication. Due to this, the transmission speed is lowered, which causes a waste of the wireless bandwidth of the wireless communication network, and there is a problem in that the contents cannot be provided in real time during a voice call.

The present invention has been made to solve the above problems, and an object thereof is to provide a method and system for sharing contents using multicasting.

Another object of the present invention is to provide a content sharing method and system for saving wireless bandwidth by using a common channel of a multicasting device.

In order to achieve the above object, the present invention provides a content sharing system, comprising: a multicasting apparatus for transmitting a shared content list and shared content to a plurality of viewer terminals using a common channel; And storing the shared content uploaded from a plurality of producer terminals through a wired / wireless communication network, and transmitting the shared content list including the list of the shared content to the plurality of viewer terminals using the common channel. And receiving content request information for requesting the shared content from a viewer terminal, simultaneously transmitting the shared content to the plurality of viewer terminals using the common channel.

In addition, the present invention, a content sharing method, comprising: (a) uploading shared content from a plurality of producer terminals via a wired or wireless communication network; (b) transmitting a shared content list including the list of shared contents to a plurality of viewer terminals using a common channel; (c) receiving content request information including viewer information from the plurality of viewer terminals; And (d) simultaneously transmitting the shared content to the plurality of viewer terminals using the common channel according to the content request information.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

1 is a block diagram showing the configuration of a content sharing system using multicasting according to an embodiment of the present invention.

Referring to FIG. 1, a content sharing system using multicasting according to the present invention includes a wired / wireless communication network 110, a plurality of producer terminals 112, a content sharing server 120, a multicasting device 130, and a wireless device. And a first node 150, a second node 160, and the like, in which a network controller 140 (hereinafter, referred to as 'RNC') and a plurality of viewer terminals 170 are grouped. Here, although two base stations (first node 150, second node 160) are shown in RNC 140, it is apparent that a larger number of base stations are actually connected.

The wired / wireless communication network 110 provides a connection path for the plurality of producer terminals 112 to access the content sharing server 120 to transmit and receive data, and may include the Internet and a mobile communication network.

The plurality of producer terminals 112 according to the present invention may be a personal computer, a notebook computer, a personal digital assistant (PDA) and a mobile phone having a wired / wireless communication device, and a video recorded using a camcorder, a camera, a mobile phone, and the like. Or upload the shared content including the picture to the content sharing server 120 via the wired or wireless communication network (110).

The content sharing server 120 stores the shared content uploaded from the plurality of producer terminals 112 and via the multicasting device 130 and the RNC 140 a shared content list including a list of the stored shared content. Viewer information (eg, mobile phone number and terminal) from the plurality of viewer terminals 170 as the plurality of viewer terminals 170 select the shared content that they want to watch from the list of shared contents. Content request information, including the number).

Subsequently, the content sharing server 120 determines whether the plurality of viewer terminals 170 are registered by using the viewer information, and inquires the member information when the plurality of viewer terminals 170 are registered members. When the plurality of viewer terminals 170 are available to use the shared content, the shared content is simultaneously transmitted to the plurality of viewer terminals 170 via the multicasting device 130 and the RNC 140. Here, the content sharing server 120 classifies and stores the grade of the shared content according to the age. For example, the content sharing server 120, the first grade is a grade that does not have a particular age restriction in the use of shared content, the second grade is about middle school students or more, the third grade is college students or more, the fourth grade is full adult, etc. According to the classification of the shared content and stored.

Multicasting apparatus 130 according to the present invention is a broadcast multicast service center (hereinafter referred to as "BM-SC") 132, a gateway packet wireless service support node (Gateway GPRS Support Node, hereinafter 'GGSN) A shared content list and shared content received from the content sharing server 120, including 134, a service packet wireless service support node (hereinafter referred to as a 'SGSN' node) 136, and the like. Is transmitted to a plurality of viewer terminals 170 registered in a multicasting service using a common channel.

The BM-SC 132 schedules the shared content list and the shared content received from the content sharing server 120 for each channel and delivers them to the GGSN 134, and performs charging and authentication functions for the content sharing server 120. do.

The GGSN 134 is a GPRS gate node that connects a general packet radio service (GPRS) backbone network and an external packet data network (PDN) such as the Internet, and lists shared contents to be supplied to a plurality of viewer terminals 170. And the shared content is received from the content sharing server 120 through the BM-SC 132 and delivered to the SGSN (136).

SGSN 136 is a serving node of GPRS that is responsible for delivering packets transmitted and received from viewer terminals in the management area. The SGSN 136 transmits the shared contents list and the shared contents to the RNC 140, and the plurality of viewer terminals. A management function of moving information according to the moving situation of 170 is performed.

The RNC 140 according to the present invention represents a base station controller controlling the first node 150 and the second node 160, and displays the shared content list and the shared content received from the SGSN 136 in the first node 150. Or it selects and transmits to the second node 160, and controls the wireless channel that is set to provide a shared content list and shared content.

The first node 150 and the second node 160 include a plurality of viewer terminals 170, and the plurality of viewer terminals 170 share the list of shared contents and the shared contents received from the RNC 140 through a wireless interface. Represents a base station to transmit to. Here, when the plurality of viewer terminals 170 receive the shared content list from the content sharing server 120 and the viewer selects the shared content that they want to watch from the shared content list, the plurality of viewer terminals 170 multicast the content request information for requesting the shared content. It transmits to the content sharing server 120 via the device 130 and the RNC 140, and downloads the shared content from the content sharing server 120. In addition, the plurality of viewer terminals 170 may selectively download the shared content even during a voice call by using a multitasking function.

2 is a flowchart illustrating a content sharing method using multicasting according to an embodiment of the present invention.

Producers include personal computers, notebook computers, personal digital assistants (PDAs) and mobile phones to share shared content with other viewers, including videos or photos taken by themselves using camcorders, cameras and mobile phones. The producer terminal 112 is used to access the wired / wireless communication network 110 and upload the shared content to the content sharing server 120 via the wired / wireless communication network 110.

Subsequently, the viewer accesses the content sharing server 120 using the viewer terminal 170 including a mobile phone and the like, and selects the shared content that the user wants to watch from the list of shared contents provided by the content sharing server 120. If so, the shared content is downloaded from the content sharing server 120.

Referring to FIG. 2, the content sharing server 120 according to the present invention uses a wired / wireless communication network 110 to share content including a video or a picture taken from a plurality of producer terminals 112 using a camcorder, a camera, a mobile phone, or the like. Uploaded through the (S210), and classifies the grade of the uploaded shared content according to the age (S220). For example, the content sharing server 120, the first grade is a grade that does not have a particular age restriction in the use of shared content, the second grade is about middle school students or more, the third grade is college students or more, the fourth grade is full adult, etc. Classify the shared content accordingly.

The content sharing server 120 transmits the shared content list including the uploaded list of shared content to the plurality of viewer terminals 170 via the multicasting device 130 and the RNC 140 (S230).

The content sharing server 120 selects the shared content to be enjoyed by the plurality of viewer terminals 170, and thus includes content including viewer information (eg, a mobile communication number and a terminal number) from the plurality of viewer terminals 170. After receiving the request information (S240), it is determined whether the plurality of viewer terminals 170 are registered by using the viewer information included in the content request information (S250).

When the plurality of viewer terminals 170 are registered members in step S250, the content sharing server 120 determines whether the plurality of viewer terminals 170 can use the shared content by looking up the member information ( S260).

In step S260, the content sharing server 120 displays the plurality of viewer terminals 170 via the multicasting device 130 and the RNC 140 when the plurality of viewer terminals 170 use the shared content. At the same time (S270).

If the plurality of viewer terminals 170 are not registered in step S250, the content sharing server 120 receives member information including a name, a social security number, an address, and the like, and performs member registration (S252).

Although, according to an embodiment of the present invention, after the content sharing server 120 receives the content request information from the viewer terminal 170, the content sharing server 120 determines whether the corresponding viewer terminal 170 can use the shared content. Although described, the content sharing server 120 divides the rating into the shared content list according to the registered member information before providing the shared content list to the viewer terminal 170, thereby sharing the shared content list to the plurality of viewer terminals 170. It may be provided selectively.

Meanwhile, in one embodiment of the present invention, the shared content is generally UCC (User Created Contents) that requires a high bandwidth consumption side and a real time delivery side, and consumes a radio bandwidth of a mobile communication network to provide a general unicast scheme. As a result, shared content could not be provided in real time.

Therefore, according to an embodiment of the present invention, by providing the content using a common channel of the multicasting device, it is possible to quickly enjoy the content in real time, save the wireless bandwidth of the mobile communication network, and provide a wireless data service It can contribute greatly to activation.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

As described above, according to the present invention, by providing a content sharing method and system using multicasting, it is possible to quickly enjoy content in real time, and to save the wireless bandwidth of the mobile communication network, thereby providing a wireless data service It can greatly contribute to activation.

Claims (12)

In a content sharing system, A multicasting device for transmitting a shared content list and shared content to a plurality of viewer terminals using a common channel; And Storing the shared content uploaded from a plurality of producer terminals through a wired / wireless communication network, and transmitting the shared content list including the list of the shared content to the plurality of viewer terminals using the common channel, and the plurality of viewers. Upon receiving content request information for requesting the shared content from a terminal, a content sharing server for simultaneously transmitting the shared content to the plurality of viewer terminals using the common channel. Content sharing system using multicasting, comprising a. In claim 1, The content sharing server receives the content request information including the viewer information from the plurality of viewer terminals, determines whether the plurality of viewer terminals are registered by using the viewer information, and then the plurality of viewers. In the case where the terminal is registered as a member, the member information is queried and the shared content is simultaneously transmitted to the plurality of viewer terminals using the common channel when the plurality of viewer terminals are available to use the shared content. Content sharing system using multicasting characterized in that. In claim 2, And the viewer information comprises at least one of a mobile communication telephone number and a terminal number. In claim 1, And the content sharing server classifies and stores the grade of the shared content according to age. In claim 1, The multicasting device, A broadcast multicast service center (BM-SC) configured to schedule and deliver the shared content list and the shared content received from the content sharing server for each channel; A GPRS gate node that connects a General Packet Radio Service (GPRS) backbone network and an external packet data network (PDN), and receives and shares the shared content list and the shared content from the BM-SC. GPRS Support Node); And A serving node of a GPRS serving to transmit and receive packets from a user terminal in a management area, the SGSN serving to transmit the content list and the shared content received from the GGSN to a Radio Network Controller (RNC). Serving GPRS Support Node) Content sharing system using multicasting, comprising a. In claim 1, The plurality of producer terminals is a device including at least one of a personal computer, a notebook computer, a personal digital assistants (PDA) and a mobile phone having a wired or wireless communication device. In the content sharing method, (a) uploading shared content from a plurality of producer terminals through a wired or wireless communication network; (b) transmitting a shared content list including the list of shared contents to a plurality of viewer terminals using a common channel; (c) receiving content request information including viewer information from the plurality of viewer terminals; And (d) simultaneously transmitting the shared content to the plurality of viewer terminals using the common channel according to the content request information; Content sharing method using multicasting, comprising a. The method of claim 7, wherein between step (a) and step (b), (a1) classifying the rating of the shared content according to age; Content sharing method using multicasting, characterized in that it further comprises. The method of claim 7, wherein between step (c) and step (d), (c1) determining whether membership is registered using the viewer information; And (c2) if the member is registered in the step (c1), checking the member information to determine whether the plurality of viewer terminals can use the shared content; Content sharing method using multicasting, characterized in that it further comprises. The method of claim 9, wherein after step (c2), (c3) in the step (c1), if the plurality of viewer terminals are not registered as members, receiving member information and performing member registration; Content sharing method using multicasting, characterized in that it further comprises. The method of claim 9 or 10, The member information includes at least one of a name, social security number and address. In claim 7, And the viewer information includes at least one of a mobile communication telephone number and a terminal number.

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