KR100794220B1 - File update method of mobile communication terminal using firmwate over the air and the mobile communication terminal therefor - Google Patents

Abstract

The present invention provides a first step for requesting a mobile communication network to update a file through a FOTA (Firmware Over The Air) service, and receives an update package for file update transmitted from the mobile communication network that receives the file update request. A second step of storing, a third step of copying the updated file from the update package temporarily stored in the ROM to RAM and performing a system loading with the updated file, and a system loading with the updated file. When the load of less than a certain criterion of the present invention provides a method of updating a file of a mobile communication terminal using a FOTA comprising a fourth step of performing a file update for the ROM with the updated file.

According to the present invention, the ROM update is not performed at the time when a user requests for update, but the ROM update is performed in the background when the mobile communication terminal is in a standby state. The conventional problem of not allowing the user to use the mobile communication terminal while recording can be solved.

ROM, RAM, Update, Software, Code, FOTA, Flash Memory

Description

FILE UPDATE METHOD OF MOBILE COMMUNICATION TERMINAL USING FIRMWATE OVER THE AIR AND THE MOBILE COMMUNICATION TERMINAL THEREFOR}

1 is a block diagram of a mobile communication terminal according to an embodiment of the present invention.

2 is a view for explaining that data is stored in the ROM and RAM of FIG.

3 is an operation flowchart of performing a file update in a mobile communication terminal according to an embodiment of the present invention.

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

100: mobile communication terminal 110: memory

111: Romans 112: Ram

120: control unit 121: update request unit

122: storage processing unit 123: RAM update processing unit

123a: extracting unit 123b: copy processing unit

123c: system loading unit 124: ROM update processing unit

130: RF unit 140: voice processing unit

150: speaker 160: microphone

170: key input unit 180: display unit

The present invention relates to a mobile communication terminal for performing a file update using a FOTA (Firmware Over The Air) service and a file updating method thereof.

FOTA (Firmware Over The Air) service is a service that updates the firmware embedded in the mobile terminal wirelessly from a remote location.

In the conventional case, the user selects the FOTA service menu from the main menu window in order to update various files stored in the mobile communication terminal through the FOTA (Firmware Over The Air) service.

Accordingly, the mobile communication terminal displays the information of the file to be updated on the screen. When the user selects the update execution key, the mobile communication terminal receives an update package for performing file update from the mobile communication network.

The mobile communication terminal performs a file update on the ROM of the memory by the update package received from the mobile communication network.

When the file update for the ROM is completed, the system is rebooted and the updated file in the ROM is copied to RAM to load the system. In addition, a guide message indicating that the file update is completed is output to the user.

However, in the conventional case, in order to perform a file update for a ROM, it takes much time to electrically write data to the ROM. As a result, the mobile communication terminal cannot perform other communication functions while recording data in the ROM (as many minutes).

Accordingly, while the file update is performed in the mobile terminal, the user may not receive an urgent call from another place and may not be able to make an outgoing call.

An object of the present invention is to allow a user to perform a file update without inconvenient in using the mobile terminal when performing a file update using a FOTA service in the mobile terminal.

According to an aspect of the present invention for achieving the technical problem, the first step of requesting the mobile communication network to update the file through the FOTA service, and the update package for the file update transmitted from the mobile communication network receiving the file update request A second step of receiving and temporarily storing the ROM in a ROM; a third step of copying the updated file from the update package temporarily stored in the ROM to RAM and performing a system loading by the updated file; The present invention provides a method of updating a file of a mobile communication terminal using a FOTA, which includes a fourth step of performing a file update of a ROM with an updated file when the system load is below a predetermined criterion while loading is performed.

Preferably, the third step may include extracting the updated file through analysis of the update package temporarily stored in the ROM, copying the extracted updated file to RAM by rebooting the system, and updating the copied file in RAM. Performing a system loading by.

Preferably, the fourth step determines that the load of the system is below a certain criterion when the state of the mobile communication terminal is in the standby state.

Preferably, the fourth step performs a file update on the ROM in the background.

According to another aspect of the present invention, a memory including a ROM storing a file and a RAM storing a file copied from the ROM for system execution, and requesting a file update through the FOTA service to the mobile communication network to update the package; When received, it is temporarily stored in the ROM, the updated file from the update package is copied to RAM to perform system loading by the updated file, and when the system load is below a certain standard, the file update for the ROM is performed with the updated file. It provides a mobile communication terminal including a control unit.

Preferably, the control unit includes an update request unit for requesting a file update through a FOTA service to the mobile communication network, a storage processing unit for receiving an update package for file update transmitted from the mobile communication network that receives the file update request and temporarily storing it in a ROM; RAM update processing unit that copies the updated file from the update package temporarily stored in the ROM to RAM and performs system loading by the updated file, and the system load is below a certain standard while the system is loaded by the updated file. If included, the ROM update processing unit performs a file update on the ROM with the updated file.

Preferably, the RAM update processing unit extracts the updated file through analysis of the update package temporarily stored in the ROM, a copy processing unit which reboots the system and copies the updated file extracted by the extract unit to RAM, RAM It includes a system loading unit for performing a system loading by the updated file copied to.

Preferably, the ROM update processing unit determines that the load of the system is below a predetermined standard when the state of the mobile communication terminal is in the standby state.

Preferably, the ROM update processing unit performs a file update on the ROM in the background.

Hereinafter, with reference to the accompanying drawings to describe a preferred embodiment of the present invention.

1 is a block diagram of a mobile communication terminal according to an embodiment of the present invention.

Referring to FIG. 1, a mobile communication terminal according to an embodiment of the present invention may update a memory 110 including a ROM 111 and a RAM 112, and update files for the ROM 111 and the RAM 112. The control unit 120, the RF unit 130, the voice processing unit 140, the speaker 150, the microphone 160, the key input unit 170, and the display unit 180, which perform the buttons, It is configured to include.

The memory 110 stores various programs for performing a file update performed by the controller 120 or temporarily stores data processed by the program.

The memory 110 may be implemented as a NAND flash memory. The NAND flash memory 110 includes a flash ROM 111 and an SRAM 112.

The flash ROM 111 and the static random access memory 112 may store various types of data as shown in FIG. 2.

The flash ROM 111 may include an update agent (UA) data area, a main application data area, a boot data area, an update package area, and an update package area according to a storage address. A status byte and a reserve write area (RWU) are provided.

The update agent (UA) data area stores update agent program data for performing file update by the controller 120.

The SRAM 112 has an update agent footprint area, an update agent stack area, a working RAM bank area, an update agent heap and a UA heap depending on a storage address. Decompressed Update Package areas are provided. The various update agent related data stored in the SRAM 112 are various data used by the update agent program stored in the ROM 111 to be driven by the controller 120 to perform a ROM update.

The controller 120 controls the overall operation of the mobile communication terminal and performs file update using the FOTA service.

Here, the file update refers to a series of operations for updating various software, programs, codes, etc., stored and executed in the mobile communication terminal, with contents of a new version.

To this end, the control unit 120 drives the update request unit 121 executed by driving the update agent program stored in the ROM 111, the storage processing unit 122, the RAM update processing unit 123, and the ROM update processing unit 124. It is configured to include.

The update request unit 121 requests a file update through the FOTA service to the mobile communication network according to a user's request.

To this end, the update request unit 121 displays a menu window for performing a file update through the FOTA service on the display unit 180, and when a user inputs a command to request a file update by operating the key input unit 170, Send a message requesting an update to the mobile communication network.

The storage processor 122 receives an update package for file update transmitted from the mobile communication network that receives the file update request performed by the update requester 121 and temporarily stores the update package in the ROM 111.

The storage processor 122 stores the update package transmitted from the mobile communication network in the update package area provided in the ROM 111. The update package temporarily stored in the ROM 111 by the storage processor 122 is stored in a compressed form.

The RAM update processor 123 copies the updated file from the update package temporarily stored in the ROM 111 to the RAM 112 and performs system loading by the updated file.

For this purpose, the RAM update processor 123 includes an extractor 123a, a copy processor 123b, and a system loading unit 123c.

The extraction unit 123a analyzes the update package temporarily stored in the ROM 111 and compares the version of the file currently stored in the ROM 111 to extract a newly updated file.

The update files extracted by the extractor 123a are copied to the RAM 112 and used for system loading.

After the newly updated files are extracted by the extracting unit 123a, the copy processing unit 123b performs a reboot to load the system by the updated files, and then stores the updated files stored in the ROM 111. Copy to (112).

Copying the updated files stored in the ROM 111 to the RAM 112 does not directly load a system by reading a file from the ROM 111 when the loading of the system is performed, but is stored in the ROM 111. This is because the system loads the file using the file stored in the RAM 112 while the existing file is copied to the RAM 112.

The system loading unit 123c may copy the files stored in the RAM 112 when the newly updated files are copied and stored in the RAM 112 among the update packages stored in the ROM 111 by the copy processing unit 123b. To load the system. Accordingly, the system is loaded by the newly updated files to perform the receiving function and the sending function according to the user's selection.

Since the time required for the system to be newly loaded by the updated file to provide the reception function and the transmission function is not a long time, the user does not have a great inconvenience in using the mobile communication terminal due to the file update.

The ROM update processing unit 124 performs a file update on the ROM with the updated file when the load of the system is lower than a predetermined criterion while the system is loaded by the updated file.

To this end, the ROM update processing unit 124 updates the RAM 112 by the RAM update processing unit 123 with newly updated files and updates the ROM 111 with the system loaded with the updated files. To judge.

Since the RAM 112 is already updated by the newly updated file by the RAM update processing unit 123 and reflected in the system, even if the ROM update performed by the ROM update processing unit 124 is not performed simultaneously with the RAM update, There is no impact on operating the system.

Accordingly, the ROM update processing unit 124 performs a reception or transmission function according to a user's request while the RAM update is performed and the system is loaded by the updated file. The updated file extracted by 123a is used to update the ROM 111.

To this end, the ROM update processing unit 124 updates the corresponding region, for example, a boot data or a main application to which the updated file is applied in the data storage region illustrated in FIG. 2.

The update of the ROM 111 by the ROM update processing unit 124 is performed by newly electrically recording a part corresponding to the updated file in the ROM 111. The ROM update by the ROM update processor 124 takes a few minutes.

However, the ROM update by the ROM update processing unit 124 is performed in the background, and when the ROM update is completed, a prompt message is displayed to the user through the guide window indicating that the ROM update is completed. You will notice that it is complete.

As the ROM update is performed without the user's knowledge, the user does not feel any inconvenience in using the mobile communication terminal.

When the RF unit 130 receives a signal of a frequency received through a radio channel of a frequency band through the antenna ANT, it converts the band down and distinguishes the type of data and outputs it to the control unit 120 or the voice processing unit 140. )

Data output from the RF unit 130 to the control unit 120 becomes paging signals and signaling signals received through text data or a paging channel. The data output to the voice processor 140 becomes voice data received when a voice call is set.

In addition, the RF unit 130 performs band-up conversion to transmit the data received from the control unit 120 or the filed voice data received from the voice processing unit 140 and converted into a radio frequency signal in the frequency band through the antenna ANT. To print.

The speech processing unit 140 is generally composed of a VOCODER, etc., and is driven by the control of the controller 120. The voice processor 140 modulates the electrical signal input by the microphone (MIC) 160 to convert the voice signal into voice data and outputs the voice signal to the RF unit 150. In addition, the speech processing unit 140 demodulates the encoded speech data input from the RF unit 130 into an electrical signal and outputs the result to the speaker (SPK) 150, and the speaker (SPK) 150 converts it into an audible sound. Output

The key input unit 170 generally has a key matrix structure. The key input unit 170 includes a plurality of numeric keys and function keys for performing various functions, and outputs an electrical signal of key data to the controller 120 by a user's key input.

The display unit 180 displays the current state of the terminal or changes in the progress of the program. It also displays incoming short messages. Such a display device may be configured as a display device such as a liquid crystal display (LCD).

3 is a flowchart illustrating a file update operation performed in a mobile communication terminal according to an embodiment of the present invention.

Referring to FIG. 3, when the user manipulates the key input unit 170 and inputs a command for requesting a file update using the FOTA service, the update request unit 121 transmits a message requesting the file update to the mobile communication network (S1). ).

When an update package for updating a file is transmitted from the mobile communication network which receives the update request in the state in which the file update request is made by the update request unit 121, the storage processor 122 receives the update package and then the ROM 111. Temporarily store in (S2).

The extraction unit 123a of the RAM update processing unit 123 analyzes an update package temporarily stored in the ROM 111 and extracts a newly updated file by comparing with a version of a file currently stored in the ROM 111 (S3). ).

When newly updated files are extracted by the extracting unit 123a, the copy processing unit 123b reboots the system (S4).

When the system is rebooted, the copy processing unit 123b copies the updated files stored in the ROM 111 to the RAM 112 in order to load the system by the updated files (S5).

When newly updated files are copied and stored in the RAM 112 among the update packages stored in the ROM 111 by the copy processing unit 123b, the system loading unit 123c copies the files stored in the RAM 112 and stored. The system is loaded using (S6).

The ROM update processing unit 124 determines whether the state of the mobile communication terminal is in the standby state when the RAM update is performed and the system is loaded by the updated file (S7).

As a result of the determination, when the state of the mobile communication terminal is in the standby state, the ROM update processing unit 124 updates the portion corresponding to the updated file in the ROM 111 with the updated file extracted by the extraction unit 123a (S8). ).

On the other hand, if it is determined that the state of the mobile communication terminal is not in the standby state, it is periodically determined whether the state of the mobile communication terminal is in the standby state.

When the ROM update is completed, the ROM update processor 124 displays a guide message indicating that the ROM update is completed to the user through the guide window (S9).

The present invention has been described with reference to preferred embodiments. However, those skilled in the art will understand that many other embodiments other than those specifically described also fall within the spirit and scope of the invention.

According to the present invention, when a user executes a file update, the mobile communication terminal requests a file update from the mobile communication network, temporarily stores an update package transmitted from the mobile communication network in a ROM, and extracts a newly updated file from the update package.

Then reboot the system. When the system is rebooted, the file stored in the ROM is copied to RAM. When the system is loaded, the newly updated file is copied to RAM and the system is loaded by the updated file. The ROM is updated when the user does not use the mobile terminal while the system is loaded by the updated file.

Instead of performing this time-consuming ROM update at the time when a user's update request is made, the data is recorded to perform the ROM update by performing the ROM update in the background when the mobile terminal is in the standby state. In the meantime, the conventional problem that the user cannot use the mobile communication terminal can be solved.

Claims (9)

Requesting a mobile network to update a file through a firmware over the air (FOTA) service; Receiving an update package for file update transmitted from the mobile communication network receiving the file update request and temporarily storing the update package in a ROM; Extracting the updated file through analysis of the update package temporarily stored in the ROM; Rebooting the system to copy the extracted updated file to RAM; Performing system loading by the updated file copied to the RAM; And performing a file update on the ROM with the updated file when the load of the system is lower than a predetermined criterion while the system is loaded by the updated file. delete The method of claim 1, wherein the performing of the update, The file updating method of the mobile communication terminal using the FOTA determines that the load of the system is below a certain criterion when the state of the mobile communication terminal is in the standby state. The method of claim 1, wherein the performing of the update, A file updating method of a mobile communication terminal using FOTA which performs a file update for the ROM in the background. A memory including a ROM storing a file and a RAM storing a file copied from the ROM for system execution; An update request unit for requesting the mobile communication network to update a file through a FOTA service; A storage processing unit for receiving an update package for updating a file transmitted from the mobile communication network receiving the request and temporarily storing the update package in a ROM; A RAM update processing unit which copies the updated file from the update package temporarily stored in the ROM to RAM and performs system loading by the updated file; And a ROM update processing unit configured to perform a file update on the ROM with the updated file when the load of the system is lower than a predetermined criterion while the system is loaded by the updated file. delete The method of claim 5, wherein the RAM update processing unit, An extraction unit for extracting an updated file through analysis of an update package temporarily stored in the ROM; A copy processing unit which reboots the system and copies the updated file extracted by the extracting unit to RAM; And a system loading unit configured to perform system loading by the updated file copied to the RAM. The method of claim 5, wherein the ROM update processing unit, And determining that the load of the system is equal to or less than a predetermined standard when the state of the mobile communication terminal is in the standby state. The method of claim 5, wherein the ROM update processing unit, A mobile communication terminal performing a file update for the ROM in the background.

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