KR20080051380A - How to provide and take over a multimedia message through a communication network - Google Patents

Abstract

According to the present invention, when a network connection is released while downloading or uploading a multimedia message through a wireless communication network, the multimedia message through the communication network enables a part of a message part that cannot be downloaded or uploaded when reconnected. Provides a method of providing a receive / resume. To this end, when the mobile communication terminal requests the download of the multimedia message, the multimedia message service center divides the multimedia message to be transmitted into a plurality of pieces and assigns a content range to the mobile communication terminal. Is released and upon reconnection, if the mobile terminal requests the multimedia message service center to transmit the remaining part of the partially downloaded multimedia message, the multimedia message service center transmits the remaining multimedia message part, and the remaining multimedia part. When the download of the message is completed, the mobile communication terminal notifies the multimedia message service center of the download completion, and the multimedia message service center informs of the download completion notification. And transmitting a response message.

Description

Method for providing multimedia message via communication network {Method for Providing Continuous Downloading / Uploading of Multimedia Message via Communication Network}

1 is a diagram showing the configuration of a system for implementing a method for providing a resume / resume of a multimedia message through a communication network according to the present invention;

2 is a flowchart illustrating an operation of a method for providing a takeover of a multimedia message through a communication network according to an embodiment of the present invention;

3 is a diagram illustrating a configuration of a request and response message in the HTTP 1.1 standard implemented according to the method for providing a multimedia message download according to the present invention;

4 is a flowchart illustrating an operation of a method for providing roll-up of a multimedia message through a communication network according to a preferred embodiment of the present invention;

5 is a diagram illustrating a request and response message configuration of the HTTP 1.1 standard implemented according to the method for providing a multimedia message retrieval according to the present invention.

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

10: mobile communication terminal, 20: packet data serving node,

30: multimedia message service center, 32: multimedia message interface,

34: message upload interface, 36: message download interface,

38: message upload processing unit, 40: message download processing unit,

42: Message processing confirmation unit.

According to the present invention, when a connection is released while downloading a multimedia message to a mobile communication terminal through a wireless communication network or uploading from the mobile communication terminal to a message service center on the communication network, the multimedia message can be inherited and resumed. The present invention relates to a method for providing a resume / resume of a multimedia message through a communication network.

In general, a wireless communication network system is a wireless communication between mobile and mobile terminals that are portable and mobile through a mobile communication network to enable voice phone calls and short message exchange. Recently, text, voice, still picture, and video are available. In conjunction with a wireless Internet network capable of transmitting multimedia data, such as a flash, a multimedia message can be transmitted between a server on a communication network and a mobile communication terminal or between each mobile communication terminal.

In a wireless communication network system in which the mobile communication network and the wireless Internet network interwork, a message transmission / reception rule for downloading a multimedia message from a server on a communication network to a mobile communication terminal or uploading a multimedia message from the mobile communication terminal to a server side. It follows the interworking protocol in the HTTP 1.1 standard.

In the rule of transmitting / receiving a multimedia message conforming to the conventional HTTP 1.1 standard, when a mobile communication terminal downloads a multimedia message from a server on a communication network, the entire message is received by a message renewal function for a multimedia message not received in the terminal. I'm getting a new one.

On the other hand, when the mobile terminal is in a state of downloading a multimedia message, when the corresponding mobile communication terminal is switched to a voice telephony state or the terminal battery is exhausted and the communication connection is not completely downloaded, the entire message cannot be downloaded. Since there is no information about some undownloaded parts, you need to get all the messages again after reconnecting.

Also, even when uploading a multimedia message from a mobile communication terminal to a server on a communication network, if the connection is released during uploading, the entire multimedia message must be re-uploaded after reconnection.

For this reason, the mobile communication terminal has a problem that even if some multimedia messages are partially downloaded or partially uploaded, additional time is required to be newly downloaded or uploaded again, and the server on the communication network downloads or uploads the messages. The use efficiency of the city's network resources is reduced, and the communication load is also increased, thereby preventing the stable communication speed for the mobile communication terminal.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, and an object thereof is to provide a partial message part that cannot be downloaded or uploaded when reconnected when the network connection is released while downloading or uploading a multimedia message through a wireless communication network. The present invention provides a method for providing a resume / resume of a multimedia message through a communication network to enable the resume or resume.

In order to achieve the above object, according to the present invention, the method for providing a succession of a mobile communication terminal accesses a multimedia message service center to request a download of a multimedia message, and a plurality of multimedia messages to be transmitted in the multimedia message service center. Assigning a respective content range to each mobile terminal and transmitting the content range to the mobile communication terminal. If the communication connection between the mobile communication terminal and the multimedia message service center is released during the downloading of the multimedia message, the download of the multimedia message is not completed. Requesting transmission of the remaining part of the multimedia message partially downloaded to the multimedia message service center by the mobile communication terminal, the mobile communication terminal at the multimedia message service center; Transmitting the remaining multimedia message portion to the terminal, and when the downloading of the remaining multimedia message is completed, the mobile communication terminal notifies the multimedia message service center of the download completion, and the multimedia message service center downloads the download. It provides a method for providing a takeover of a multimedia message through a communication network, characterized in that it comprises the step of transmitting a response message for the completion notification.

In order to achieve the above object, according to the present invention, a method of providing a roll-up of a mobile communication terminal accesses a multimedia message service center and requests uploading of a multimedia message stored in the mobile communication terminal. Dividing the multimedia message into a plurality of contents and uploading the multimedia message to the multimedia message service center, and the communication connection between the mobile communication terminal and the multimedia message service center is released during the upload of the multimedia message, thereby completing the upload of the multimedia message. If not, requesting the upload of the remaining part of the multimedia message partially uploaded to the multimedia message service center at the mobile communication terminal when reconnecting, at the mobile communication terminal Uploading the remaining multimedia message parts to the multimedia message service center; and when the upload of the remaining multimedia messages is completed, the mobile communication terminal notifies the multimedia message service center of completion of uploading, and the multimedia message service. The center provides a method for providing roll-up of a multimedia message through a communication network, comprising the step of transmitting a response message to the upload completion notification.

Hereinafter, the present invention configured as described above will be described in detail with reference to the accompanying drawings.

That is, FIG. 1 is a diagram illustrating a configuration of a system for implementing a method for providing a resume / resume of a multimedia message through a communication network according to the present invention.

As shown in FIG. 1, a system for providing / retrieving a multimedia message through a communication network according to the present invention includes a mobile communication terminal 10 and a packet data serving node (PDSN) 20. And a Multimedia Message Service Center (MMSC) 30.

The mobile communication terminal 10 accesses the multimedia message service center 30 through a mobile communication network and a wireless Internet network, downloads and stores a specific multimedia message, or stores the multimedia message stored in the terminal in the multimedia message service center 30. You can upload to

When the mobile communication terminal 10 downloads a multimedia message from the multimedia message service center 30, the download range of the message is determined by a content-range in units of transmission bytes specified for the message. Also, even when uploading a multimedia message stored in a corresponding terminal, the message can be uploaded by specifying a content-range in units of transmission bytes.

In addition, while downloading or uploading a multimedia message, the mobile communication terminal 10 may not download or upload the entire message because the network connection is released due to a function such as switching to a voice call or exhausting the terminal battery. In case of failure, in downloading or uploading the multimedia message, the multimedia message service center 30 provides the byte information of the remaining undownloaded or uploaded data by the content-range of the designated byte unit for the message data. So that it can take over or resume the rest of the message.

The packet data serving node 20 performs an interface for packet transmission of Point-To-Point Protocol (PPP) and TCP / IP in a wireless Internet network.

The multimedia message service center 30 connects to the mobile communication terminal 10 through a mobile communication network and a wireless internet network, and transmits the mobile communication terminal 10 to download a desired multimedia message, or the mobile communication terminal 10. Receive and save messages uploaded from.

The multimedia message service center 30 transmits the multimedia message transmitted to the mobile communication terminal 10 by dividing it into a plurality of units, by using a partial content transmission scheme within the HTTP 1.1 standard, using a partial content transmission scheme. In this case, the transmission part of the message can be known based on the information specified by the content-range in bytes of the multimedia message uploaded from the mobile terminal 10.

Here, the multimedia message service center 30 may include a message integration interface (MIA) 34 and a message download interface (MSA) 36. 32), a message upload processing unit (MMUP) 38, a message download processing unit (MMDN) 40, and a message processing confirmation unit (MDA) 42.

Since the message upload interface 34 is uploaded by dividing the multimedia message uploaded by the mobile communication terminal 10 into a plurality of bytes, the message upload interface 34 receives and collects the divided message part and transmits the message to the message upload processor 38. do.

The message download interface 36 provides a download request of a specific multimedia message from the mobile communication terminal 10 to the message download processor 40, and downloads a multimedia message to be downloaded in units of a plurality of bytes having a content range. Divide by and send.

The message upload processor 38 performs a function of receiving a multimedia message from the mobile communication terminal 10 received through the message upload interface 34.

The message download processing unit 40 processes a download request for a specific multimedia message from the mobile communication terminal 10 and transmits the multimedia message stored in the multimedia message service center 30 through the message download interface 36. It transmits to the mobile communication terminal (10).

The message processing confirmation unit 42 stores a multimedia message uploaded through the message upload processing unit 38, and routes and transmits a multimedia message transmitted from the message download processing unit 40 to the mobile communication terminal 10. Check the status.

Next, an operation of the method for providing a succession of multimedia messages through a communication network in the present invention made as described above will be described in detail with reference to the flowchart of FIG. 2 and the drawings of FIG. 3.

First, the mobile communication terminal 10 accesses the multimedia message service center 30 through a mobile communication network and a wireless internet network (step S10), and downloads a specific multimedia message stored in the multimedia message service center 30. (Step S11).

The multimedia message service center 30 transmits a multimedia message requested by the mobile communication terminal 10 to download, but divides the contents of the multimedia message into a plurality of bytes and transmits a partial content transmission scheme within the HTTP 1.1 standard (Partial Content Transmission). By using a scheme, a content-range is designated and transmitted (step S12).

In this state, before the mobile communication terminal 10 completes the download of the multimedia message, for example, a switch to a voice telephony function is generated, the terminal battery is exhausted, and a power off proceeds. When the same network connection release condition occurs (step S13), the network connection between the mobile communication terminal 10 and the multimedia message service center 30 is released (step S14).

Thereafter, the mobile communication terminal 10 attempts to reconnect with the multimedia message service center 30 through a mobile communication network and a wireless Internet network (step S15), and the mobile communication terminal 10 and the multimedia message. Reconnection is made between the service centers 30 (step S16).

At this time, the mobile communication terminal 10 is shown in Figure 3 to request the transmission of the remaining data of the multimedia message is not completed by the network connection by referring to the information on the content-range in the unit of byte As described above, the notification message 50 is transmitted to the multimedia message service center 30 (step S17).

In FIG. 3, the notification message 50 includes information in a range of bytes (Range: bytes = 0-8759) for a part of data downloaded in the multimedia message.

The multimedia message service center 30 refers to the notification message 50 from the mobile terminal 10, as shown in FIG. 3, a response message 52 for transmitting a message of the remaining part that has not been downloaded. The response message 52 includes information indicating the transmission of the next part of the multimedia message that has not been downloaded (boundary = "xxxxxxxxxx = _NextPart_x7809boundary"), and content of some content downloaded from a range of the entire multimedia message. Contains range-information information (Content-Range: bytes 0-8759 / 19335).

Then, the multimedia message service center 30 transmits the remaining multimedia message portion to be downloaded from the mobile communication terminal 10 (step S19), and the mobile communication terminal 10 downloads the multimedia message. 3 is completed, a notification message 54 for notifying completion of downloading of the message is transmitted to the multimedia message service center 30 as shown in FIG. 3 (step S20).

In FIG. 3, the notification message 54 includes information on the content range (Range: 8760-19334 / 19335) for the remaining downloaded messages.

The multimedia message service center 30 transmits a response message 56 to the notification message 54 from the mobile communication terminal 10 (step S21), as shown in FIG. 3. (56) includes information indicating that the transmission of the next part of the multimedia message that has not been downloaded (boundary = "xxxxxxxxxx = _NextPart_x7809boundary") and information on the rest of the downloaded multimedia message (Content-Range: bytes 8760-19334 / 19335).

On the other hand, the mobile communication terminal 10 stores the remaining multimedia messages downloaded by the resume function in combination with some previously downloaded messages as one message (step S22).

Next, with reference to the flowchart of Figure 4 and Figure 5 will be described in detail the operation of the method for providing the resume of the multimedia message through the communication network according to the present invention.

First, the mobile communication terminal 10 accesses the multimedia message service center 30 through the mobile communication network and the wireless Internet network (step S30), and uploads a specific multimedia message stored in the mobile communication terminal 10. Request (step S31).

When transmitting the multimedia message to the multimedia message service center 30, the mobile communication terminal 10 assigns a message ID to the multimedia message, and divides the contents of the multimedia message into a plurality of bytes. The content-range is designated and transmitted using a partial content transmission scheme within the standard (step S32).

In this state, if a network connection release condition occurs before the mobile communication terminal 10 completes the upload of the multimedia message (step S33), between the mobile communication terminal 10 and the multimedia message service center 30; The network connection is released (step S34).

Thereafter, the mobile communication terminal 10 attempts to reconnect with the multimedia message service center 30 through a mobile communication network and a wireless Internet network (step S35), and the mobile communication terminal 10 and the multimedia message. Reconnection is made between the service centers 30 (step S36).

As shown in FIG. 5, the mobile communication terminal 10 uploads the remaining data of the multimedia message in which the upload is not completed by network release by referring to the information on the content-range in bytes. The notification message 60 is transmitted to the multimedia message service center 30 (step S37). The notification message 60 includes a message ID (Message-ID: abcdefgh) of the multimedia message to be uploaded, and the multimedia message. Contains information on the range of bytes (Range: bytes = 0-8759) for some of the uploaded data.

The multimedia message service center 30 refers to the notification message 60 from the mobile communication terminal 10, as shown in FIG. 5, a response message 62 for receiving a message of the remaining part that has not been uploaded. (S38), the response message 62 includes content-length information (Content-Length: 8760) in units of bytes of the multimedia message partially uploaded.

Accordingly, the mobile communication terminal 10 starts uploading the remaining multimedia message parts 18760-19334 / 19335 to the multimedia message service center 30 (step S39), and the mobile communication terminal 10 When the upload of the multimedia message is completed, as shown in FIG. 5, a notification message 64 for notifying completion of upload of the message is transmitted to the multimedia message service center 30 (step S40).

In FIG. 5, the notification message 64 includes a message ID (Message-ID: abcdefgh) and information on the data range of the remaining uploaded messages (Range: 8760-19334 / 19335).

The multimedia message service center 30 transmits a response message 66 to the notification message 64 from the mobile communication terminal 10 (step S41), as shown in FIG. 5. Reference numeral 66 includes information (Content-Length: 10575) on the content length of the remaining data uploaded by the resume function by reconnection.

The multimedia message service center 30 combines the remaining multimedia messages uploaded from the mobile communication terminal 10 with a reload function and combines them with some previously uploaded messages as one multimedia message (step S42).

While specific embodiments of the present invention have been described and illustrated above, it will be apparent that the present invention may be embodied in various modifications by those skilled in the art. Such modified embodiments should not be understood individually from the technical spirit or the prospect of the present invention, but should fall within the claims appended to the present invention.

As described above, according to the present invention, while the multimedia message from the multimedia message service center is downloaded to the mobile communication terminal or the multimedia message from the mobile communication terminal is uploaded to the multimedia message service center, When the network connection is released and the download or upload is not completed, the remaining multimedia message can be downloaded or uploaded by the resume function or the upload function, thereby enabling efficient use of network resources. In addition to improving the transmission completion rate, the communication speed for the mobile communication terminal can be improved.

Claims (8)

A first step of the mobile communication terminal requesting the download of the multimedia message by accessing the multimedia message service center (MMSC); A second step of dividing a plurality of multimedia messages to be transmitted by the multimedia message service center into a plurality of multimedia messages and transmitting the content ranges to the mobile communication terminal; If the communication connection between the mobile communication terminal and the multimedia message service center is released during the downloading of the multimedia message and the download of the multimedia message is not completed, the multimedia partly downloaded to the multimedia message service center by the mobile communication terminal upon reconnection. Requesting transmission for the remainder of the message; Transmitting, by the multimedia message service center, the remaining multimedia message part to the mobile communication terminal; And When the download of the remaining multimedia messages is completed, the mobile communication terminal notifies the multimedia message service center of the download completion, and transmits a response message to the download completion notification from the multimedia message service center; Method of providing a multimedia message over a communication network, characterized in that made. The method of claim 1, In the second step, each content range divided into a plurality is a method of providing a succession of a multimedia message through a communication network, characterized in that configured to be specified in bytes (Bytes) unit. The method of claim 1, The third step may include transmitting a notification message including a content range of a partially downloaded multimedia message from the mobile communication terminal to the multimedia message service center and requesting transmission of the remaining portion; Transmitting a response message to the mobile communication terminal, the response message including information indicating the transmission of the next part of the multimedia message which has not been downloaded by the multimedia message service center and information indicating the content range of the partial content downloaded from the entire multimedia message range; Method of providing a take over of a multimedia message through a communication network, characterized in that it comprises a step. The method of claim 1, In the fifth step, the notification message from the mobile communication terminal includes information of the content range for the remaining downloaded message, The response message from the multimedia message service center includes information indicating that the transmission of the next part of the multimedia message that has not been downloaded has been performed, and information on the rest of the downloaded multimedia message. How to provide a takeover of a multimedia message. A first step of the mobile communication terminal requesting to upload a multimedia message stored in the mobile communication terminal by accessing the multimedia message service center (MMSC); A second step of dividing a plurality of multimedia messages to be uploaded by the mobile communication terminal into a plurality of content ranges and uploading them to the multimedia message service center; If the communication connection between the mobile communication terminal and the multimedia message service center is released during uploading of the multimedia message and uploading of the multimedia message is not completed, the multimedia part partially uploaded to the multimedia message service center at the mobile communication terminal upon reconnection. Requesting an upload for the remainder of the message; Uploading the remaining multimedia message part to the multimedia message service center by the mobile communication terminal; And When the upload of the remaining multimedia messages is completed, the mobile communication terminal notifies the multimedia message service center of the completion of upload, and the multimedia message service center transmits a response message for the upload completion notification. Method of providing a roll-up of a multimedia message through a communication network, characterized in that made. The method of claim 5, wherein The method of claim 2, wherein each of the plurality of content ranges divided into a plurality of bytes is designated in units of bytes. The method of claim 5, wherein In the third step, the mobile communication terminal transmits a notification message including a unique message ID of the corresponding multimedia message and a content range of the multimedia message partially uploaded until disconnection, to the multimedia message service center for uploading the remaining part. Requesting, And transmitting a response message in the multimedia message service center to the mobile communication terminal, the response message including information indicating the content range of the partial content uploaded from the entire multimedia message range. How to Provide Earnings The method of claim 5, wherein The fifth step may include: transmitting, by the mobile communication terminal, a notification message including a unique message ID of the corresponding multimedia message and information on a content range of the remaining messages that have been uploaded to the multimedia message service center; And transmitting a response message including information on the rest of the uploaded multimedia message in the multimedia message service center.

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