KR100561277B1 - Method for controlling the transfer of multimedia message - Google Patents

Abstract

An object of the present invention is to provide a method for controlling transmission / reception of an MMS that allows a mobile communication terminal to receive an MMS only when a storage space for storing the MMS is sufficient after checking a memory storage space of the terminal before receiving the MMS.

To this end, when the transmitting terminal transmits the MMS message to the MMS relay / server in order to transmit the MMS message to the receiving terminal, the MMS relay / server transmits a notification signal indicating that the MMS message has arrived to the receiving terminal; ,

When the receiving terminal receives the MMS arrival notification signal from the MMS relay / server, and checks the storage space to receive the MMS message, and receiving the MMS message from the MMS relay / server according to the check result stored the precious MMS It provides a useful effect that can be preserved without losing it due to lack of space.

Mobile terminal, MMS, MMS relay / server, header field

Description

Method for controlling transmission and reception of multimedia messages {Method for controlling the transfer of multimedia message}

1 is a block diagram showing an operating state of a mobile communication system for MMS transmission and reception to which the present invention is applied.

Figure 2 is a block diagram showing the internal operation of the MMS terminal for transmitting and receiving MMS to which the present invention is applied.

3 is an operation flowchart illustrating a process of setting a wireless channel for MMS transmission and reception by a mobile communication terminal and an MMS server according to an embodiment of the present invention.

4 is a diagram illustrating a message header field of an MMS arrival acknowledgment signal.

5 is a flowchart showing a process in which a sixth field (X-Mms-Saving-Space) of the present invention is set to "0" or "1".

The present invention relates to a method for controlling the transmission and reception of a multimedia message (hereinafter referred to as MMS) of a mobile communication terminal. More specifically, the storage space for storing an MMS after checking the memory storage space of the terminal before receiving the MMS is described. The present invention relates to a method for controlling transmission and reception of an MMS, which can receive an MMS only when sufficient.

Nowadays, mobile communication terminals having multimedia functions, which are capable of displaying video, are being introduced in recent years, when the international mobile telecommunications-2000 (IMT-2000) technology, the next generation (3G) technology of mobile communication systems, is being pushed forward.

In this way, the mobile communication terminal equipped with the video function is larger than before and adopts a color LCD (Liquid Crystal Display) instead of a single color to enable video on demand (VOD) and audio on demand (AOD) as well as to mount a camera. In this case, users of the video terminal can make a video call while looking at each other's video.

In the prior art, the size of an MMS message transmitted by attaching a picture file, a music file, a video file, etc. is very large. Therefore, when an MMS is received without checking the storage space of a terminal, an important MMS is lost due to lack of storage space. Is generated.

That is, when the MMS transmitting terminal transmits the MMS, the MMSC (MMS server) sends a Notify message indicating the arrival of the MMS to the MMS receiving terminal.

The contents of the arrival confirmation message displayed on the MMS receiver terminal are the number of the sender terminal, the transmission time, the MMS title, and the size of the MMS.

The MMS receiver checks the arrival confirmation message and executes "Receive MMS" to receive the MMS. The MMS receiving terminal which received the MMS tries to store the received MMS after parsing it.

At this time, if there is insufficient space to store the MMS, you will lose the valuable MMS.

Therefore, the present invention has been proposed to solve the above-mentioned problems, the MMS of the MMS that can receive the MMS only if the storage space to store the MMS after checking the memory storage space of the terminal before receiving the MMS in the mobile communication terminal; The purpose is to provide a transmission and reception control method.

In order to achieve the above object, the present invention provides a method for controlling transmission and reception of MMS messages between a transmitting terminal and a receiving terminal, wherein the transmitting terminal transmits the corresponding MMS message to an MMS relay / server in order to transmit the MMS message to a receiving terminal. When the MMS relay / server transmits a notification signal that the MMS message has arrived to the receiving terminal, the receiving terminal checks the storage space to receive the MMS message when receiving the MMS arrival notification signal from the MMS relay / server Receiving the MMS message from the MMS relay / server according to the check result.

The storage space check of the receiving terminal defines a new sixth field (X-Mms-Saving-Space) in the message header field of the MMS arrival notification response signal transmitted from the receiving terminal to the MMS relay / server. Storage check is performed according to the setting value of Mms-Saving-Space.

The setting value of the sixth field (X-Mms-Saving-Space) is set to "1" if the storage space of the receiving terminal is insufficient, set to "0" if the storage space is sufficient, and the storage space of the receiving terminal. If this is not enough, the user is notified and notified.

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

1 is a block diagram showing an operation state of a mobile communication system for MMS transmission and reception to which the present invention is applied. The mobile communication system includes a computer (or a dedicated wired network) through the Internet or a dedicated Internet network. 180).

In order to connect directly with the computer 180, the mobile communication switching center 150 is connected through an internet network connected to a public switched telephone network (PSTN) / ISDN (160), and the mobile communication switching center 150 is connected to the computer 180. MMSC (MMS Relay / Server) 140 and base station controller 130 connected to the base station 111 and the base station 111 connected to the base station controller 130 and the base station 111 through a radio link. The mobile communication terminal 110 is connected.

The base station 111 serves to change the signal format between the mobile communication terminal 110 and the mobile communication switching center 150 to be suitable for a wireless link and a wired link, and transmit and receive electric field strength of the mobile communication terminal 110 (propagation). Reception strength) is measured and provided to the mobile communication switching center 150.

The base station controller 130 serves as an access means between each element of the base station 111 and the cell operator, and manages a plurality of base station operations, manages service states of base station hardware and software, and allocates and configures resources for call traffic. It performs functions such as establishing information on base station operation, base station operation, monitoring, and monitoring of subordinate devices related to failure.

The mobile communication switching center 150 provides a circuit switching service to the base station controller 130 and the mobile communication terminal 110 and has a channel handoff function as an additional function.

The MMS relay / server 140 stores the multimedia MMS as a database, and provides various multimedia MMS including the various music files or still images and videos required by the user terminal 110 to the user terminal 110 as MMS. Do it.

Such a mobile communication system is connected to any one base station 111 when a user of any terminal makes or receives a call using the mobile communication terminal 110.

Figure 2 is a block diagram showing the internal operation of the MMS terminal for transmitting and receiving MMS to which the present invention is applied, the control unit 200 is a function for downloading or processing voice / video call and various multimedia MMS (VOD, AOD) It controls the overall operation of the mobile communication terminal 110 to perform the.

In addition, if there is a multimedia mode request from a user for implementing a multimedia service, the codec unit 202 is controlled to decompress and decode still image or video data wirelessly received from an external network, and then to decode the image input unit 204. Still image or moving image data input from the control is encoded and then compressed into a predetermined format of JPEG / MPEG and controlled to be transmitted and received to the external network.

The memory 208 includes a predetermined database, stores a predetermined program for controlling the overall operation of the terminal, and sets a predetermined area for data input / output when the overall operation of the terminal is performed by the controller 200. Store in

RF (Radio Frequency) unit 210 refers to the comprehensive components of the high frequency processing unit, the intermediate frequency processing unit and the baseband processing unit, and the external network as well as various MMS including VOD and AOD from the external network received through the antenna (ANT) First, the still image or video data received through the wireless processing in the radio frequency band frequency, and the intermediate frequency processing to lower it back to a lower frequency band, and processes it as a signal of the frequency band that can be processed again in the controller 200 .

The still image or video data inputted from the image input unit 204 included in the terminal and encoded and compressed by the codec unit 202 is modulated into a wireless communication band frequency signal and wirelessly transmitted to an external network.

The audio unit 212 modulates a voice signal input through the microphone MIC into a wireless signal under the control of the controller 200, and demodulates a wireless signal received through the RF unit 210 to the speaker SPK. It is sent as an audio signal.

In addition, when the MMS is received, the wireless audio signal included in the still image or video data received from the RF unit 210 is demodulated and reproduced through a speaker SPK.

The key input unit 214 has a plurality of function keys including a plurality of numeric keys and a multimedia mode key implemented to set a multimedia mode for an MMS service in a terminal, and corresponding key data when a user presses a predetermined key. Is generated and output to the control unit 200.

The first display unit 216 includes a liquid crystal display (LCD) for displaying various types of information of the terminal in a normal call mode, and includes key data generated by the key input unit 214 and various information signals of the controller 200. Enter and display.

The second display unit (main LCD) 218 displays the MMS received from the image input unit 204 or the external network in color in the multimedia mode.

The image input unit 204 is for a bidirectional multimedia service. In the multimedia mode, the image input unit 204 inputs MMS contents and various multimedia data of the calling terminal user and applies them to the codec unit 202.

The codec unit 202 converts the captured image signal provided from the image input unit 204 into JPEG or MPEG format under the control of the control unit 200, compresses the image at a predetermined rate, and compresses the compressed image of MMS wirelessly received from an external network. Decompresses and decodes the output to the second display unit 218.

The multimedia MMS wirelessly received from the external network is various VOD and AOD data provided from web servers or MMS relay / server 140 connected to the mobile communication switching center 150.

3 is a flowchart illustrating a process of setting up a wireless channel for transmitting / receiving an MMS by a mobile communication terminal and an MMS server according to an embodiment of the present invention. When the operation is started, the transmitting terminal 110 to transmit an MMS is an MMS server 140. If the MMS Send Request (M-Send.Request) 301 signal requesting to transmit the MMS message upload data is sent to the MMS server 140 processes it and then the MMS message to the transmitting terminal 110. M-Send.Confirm (302) signals that the upload data was well received.

When the MMS message data is uploaded from the transmitting terminal 110, the MMS server 140 transmits an MMS arrival notification signal (M-Notification.ind) 303 indicating that the MMS has been uploaded to the receiving terminal 120.

The receiving terminal 120 receives and processes an MMS arrival notification signal (M-Notification.ind) 303 indicating that the MMS has been uploaded from the MMS server 140, and then receives an MMS arrival notification response signal to the MMS server 140. (M-NotiResp.ind) 304 is transmitted.

The message header field of the MMS arrival notification response signal (M-NotiResp.ind) 304 is shown in FIG. 4.

In the message header field of the MMS arrival acknowledgment response signal, a first header field (X-Mms-Message-Type) indicates a characteristic of a data packet, and a second header field (X-Mms-Transaction-ID) Indicated the identification of ID, the third header field (X-Mms-MMS-Version) indicates the MMS version, the fourth header field (X-Mms-Status) indicates the status of bringing the MMS, and the fifth header field (X). -Mms-Report-Allowed) indicates the state that MMS is selected and sent according to the delivery report item.

As described above, a new sixth field (X-Mms-Saving-Space) is defined in the arrival confirmation response message message having the message header field of the MMS arrival confirmation response signal.

The sixth field has values of 0 and 1, and the receiving terminal 120 checks the MMS size and MMS storage space according to the M-Notification.ind (303) message and runs out of storage space. If the sixth field (X-Mms-Saving-Space) of the MMS arrival notification response signal (M-NotiResp.ind) 304 message is set to "1" and sent to the MMS relay / server 140.

The MMS relay / server 140 receiving the MMS NotifyResp.ind 304 message in which the sixth field (X-Mms-Saving-Space) is set to "1" is a receiving terminal 120. Does not send MMS).

When the user of the receiving terminal 120 confirms the arrival of the MMS and does not retrieve (Retrieving), but automatically retrieves (Auto-Retrieve) to automatically retrieve the MMS (Auto-Retrieve) operates very effectively.

As described above, the receiving terminal 120 transmits an MMS NotifyResp.ind (MMS) arrival response signal (M-NotiResp.ind) 304 to the MMS server 140, and then the receiving terminal 120 transmits a wireless session protocol (to the MMS server 140). Wireless Session Protocol) request signal (WSP GET.req) 305 is transmitted.

The MMS server 140 receives and processes the wireless session protocol request signal (WSP GET.req) 305 from the receiving terminal 120 and then receives the MMS message upload data received from the transmitting terminal 110. The MMS message retrieval acknowledgment signal (M-Retrieve.conf) 306 is downloaded.

In this case, the receiving terminal 120 has sufficient storage space for the MMS message, and the sixth of the MMS arrival notification response signal (M-NotiResp.ind) 304 transmitted by the receiving terminal 120 to the MMS server 140. This is the case when the field (X-Mms-Saving-Space) is set to "0".

If the sixth field (X-Mms-Saving-Space) of the MMS arrival notification response signal (M-NotiResp.ind) 304 transmitted by the receiving terminal 120 to the MMS server 140 is set to "1". In this case, the storage space of the MMS message of the receiving terminal 120 is not sufficient. In this case, the MMS server 140 does not download the MMS message upload data received from the transmitting terminal 110 to the receiving terminal 120. Do not.

5 is a flowchart illustrating a process in which the sixth field (X-Mms-Saving-Space) of the present invention is set to “0” or “1”, and is transmitted from the MMS server 140 to the receiving terminal 120. When the MMS arrival notification signal (M-Notification.ind) 303 indicating that the MMS message data has been uploaded is received from the terminal 110 (501), the user of the receiving terminal 120 clicks "execute MMS" execution (502). do.

When the execution of "receive MMS" is clicked 502 by the user of the receiving terminal 120, the control unit of the receiving terminal 120 checks (503) that there is not enough storage space for storing MMS message data to receive, and if it is sixth, Set 504 the field (X-Mms-Saving-Space) to "0" to execute (505) "Receive MMS" and exit.

If there is not enough storage space as a result of the check (503), the sixth field (X-Mms-Saving-Space) is set to "1" (506) so as not to execute "Receive MMS" and the user of the receiving terminal 120 Inform 507 of the storage space shortage and terminate.

After setting all the sixth fields (X-Mms-Saving-Space) to "0" (504) to perform all "MMS Receive", the receiving terminal 120 to the MMS relay / server 140 " M-Acknowledge.ind (307) that has received all of the well received "

The MMS relay / server 140 receives and processes an acknowledgment signal (M-Acknowledge.ind) 307 indicating that all of the "receive MMS" is well received from the receiving terminal 120, and then transmits an MMS message to the transmitting terminal 110. The completion signal (M-Delivery.ind) 308 is transmitted.

As described in detail above, the present invention loses precious MMS due to lack of storage space by checking the memory storage space of the receiving terminal before receiving the MMS and allowing the MMS to be received only when there is enough storage space to store the MMS. It provides a useful effect that can be preserved without throwing it away.

Claims (4)

When the transmitting terminal transmits the MMS message to the MMS relay / server to transmit the MMS message to the receiving terminal, the MMS relay / server transmits a notification signal indicating that the MMS message has arrived to the receiving terminal; When the receiving terminal receives the MMS arrival notification signal from the MMS relay / server, the receiving terminal checks a storage space to receive the MMS message, and transmits an MMS arrival notification response signal including a message on whether or not the receiver can receive the message. Receiving an MMS message comprising the steps of controlling the transmission and reception of a multimedia message. The method according to claim 1, The MMS arrival notification response signal includes a new sixth field (X-Mms-Saving-Space) including a setting value for determining whether or not reception is possible in the message header field. The method according to claim 2, The setting value of the sixth field (X-Mms-Saving-Space) is set to a first value if the storage space of the receiving terminal is insufficient, and to a second value different from the first value if the storage space is sufficient. Method of controlling the transmission and reception of a multimedia message, characterized in that. The method according to any one of claims 1 to 3, Method of controlling transmission and reception of a multimedia message, characterized in that notifying the user if the storage space of the receiving terminal is insufficient.

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