KR20100134901A - Method and system for providing FOT service with improved download speed - Google Patents

Abstract

The present invention relates to a method and system for providing FOTA service with improved download speed.

According to the present invention, a method of providing a FOTA (Firmware Over The Air) service with improved download speed by the exchange of the FOTA service providing system analyzes a PDP context activation request message received from the mobile terminal to determine an APN. Check and determine that the message requires an urgent FOTA upgrade service. In addition, a PDP context activation approval message is transmitted to the mobile terminal to allocate resources to accommodate the data quality of service (QoS) of the mobile terminal.

As a result, according to the present invention, it is possible to solve the download delay of the large update package according to the improvement of the download speed and to increase the success rate of the FOTA service, thereby increasing the customer satisfaction index (CSI) and reducing customer complaints.

Description

TECHNICAL AND SYSTEM OF PROVIDING FOTA SERVICE FOR IMPROVED DOWNLOAD SPEED}

The present invention relates to a method and system for improving FOTA quality of service. In particular, the present invention relates to a method and system for providing a FOTA service with improved success rate of FOTA service and download rate of an update package provided to a subscriber.

With the development of wireless communication technology, terminals having various services and functions for user convenience have been provided, and as a result of the addition of various services and functions, the software mounted on the mobile terminal also increases the probability of generating many bugs.

Thus, a carrier or a terminal manufacturer providing a mobile communication service develops and provides a patch and upgrade program suitable for a type of mobile terminal, but the subscriber Satisfaction Index (CSI) falls due to the complexity of the procedure. There was a problem.

In order to overcome this problem, FOTA (Firmware Over The Air), a solution for automatically upgrading the firmware of a mobile terminal wirelessly, has been developed. Here, firmware generally refers to a microprogram that controls hardware stored in a ROM, and is the same as software in terms of a program, but is separated from general application software in that it is closely related to hardware. It has the characteristics of hardware at the same time.

Referring to the standards related to the FOTA established by the Open Mobile Alliance (OMA), an international mobile standardization organization, the process of performing the FOTA service of the mobile terminal includes receiving a notification message from a device management (DM) server, A discovery process, which is a process of performing communication between the server and the mobile terminal, includes a process of downloading an update package. Therefore, the FOTA service according to this process has the advantage that the user can wirelessly download and update the modified program of the mobile terminal without visiting the A / S center.

On the other hand, the size of the update package downloaded from the DM server over time may be gradually increased by the addition of various services and functions provided by the mobile terminal.

On the other hand, if the download speed of the mobile terminal is fixed and the update package size is large, there is a problem that the FOTA service cannot be processed quickly due to the download speed. In addition, as the download of the update package is delayed or the download time is long, a case in which the subscriber interrupts the download occurs and the success rate of the FOTA service decreases, which may cause another program error, causing customer dissatisfaction. .

Accordingly, an object of the present invention is to provide a method and system for providing a FOTA service having improved success rate of FOTA service and update package download speed to a subscriber according to customer complaints received from a wireless communication network.

In order to solve the above technical problem, the method of the exchange of the FOTA service providing system according to an embodiment of the present invention provides a FOTA (Firmware Over The Air) service with improved download speed,

a) checking an access point name (APN) by analyzing a PDP context activation request message received from the mobile terminal and determining that the message is a message requesting an urgent FOTA upgrade service; And b) allocating a resource to accept the data quality of service (QoS) of the mobile terminal by transmitting a PDP context activation approval message to the mobile terminal.

On the other hand, FOTA service providing system with improved download speed according to an embodiment of the present invention,

A customer center which grasps state information according to a category and a program version of a mobile terminal, generates an agent FOTA message, and transmits the generated message to the mobile terminal; A mobile terminal which analyzes the received agent FOTA message to identify an urgent FOTA upgrade service event and requests packet call setup corresponding to the urgent FOTA upgrade service; And an exchange that identifies an urgent FOTA upgrade service request through an APN of the request, generates a message in response to the request, and allocates resources to accommodate data quality of service (QoS) of the mobile terminal. .

By the above-described configuration, by diagnosing various bugs occurring in the mobile terminal and supporting the urgent FOTA upgrade service through the agent FOTA SMS, it is possible to quickly process the update package download and program update of the mobile terminal. In particular, it is possible to reduce the download delay of large update packages and increase the FOTA service success rate due to the improvement of download speed, thereby increasing the customer satisfaction index (CSI) and reducing customer complaints.

In addition, by ensuring the maximum data transmission rate according to the category (performance) for each type of mobile terminal has an effect that can allocate an efficient resource that meets the needs of customers.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise. In addition, the terms “… unit”, “… unit”, “module”, etc. described in the specification mean a unit that processes at least one function or operation, which may be implemented by hardware or software or a combination of hardware and software. have.

In this specification, a mobile station (MS) includes a terminal, a mobile terminal (MT), a user equipment (UE), a subscriber station (SS), a portable subscriber station (Portable Subscriber Station). , PSS), an access terminal (AT), and the like, and may include all or some functions of a mobile terminal, a subscriber station, a portable subscriber station, a user device, and the like.

In the present specification, a base station (BS) is an access point (AP), a radio access station (Radio Access Station, RAS), a Node B (Node B), a base transceiver station (Base Transceiver Station, BTS), MMR ( Mobile Multihop Relay) -BS and the like, and may include all or part of functions such as an access point, a radio access station, a Node B, a base transceiver station, and an MMR-BS.

Now, a method and a system for providing an improved FOTA service according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a network diagram illustrating a configuration of a system for providing a FOTA service having an improved download speed according to an exemplary embodiment of the present invention.

FOTA service providing system according to an embodiment of the present invention is a mobile terminal 10, a customer center 100, a service center (Short Message Service Center, SMSC) 200, a radio access network (Radio Access Network, RAN) 400 , A Serving GPRS Support Node (SGSN) 300, a Gateway GPRS Support Node (GGSN) 500, and a Device Management (DM) server 600.

The mobile terminal 10 is a terminal that performs wireless communication through at least one of a wireless network such as CDMA, WCDMA, HSDPA, HSUPA, WiMAX (WiBro), and the like. A typical mobile phone, PDA (Personal digital assistant), smart phone, Mobile Internet phone (M-VoIP), mobile Internet phone, and the like. Hereinafter, for convenience of description, it is assumed that the mobile terminal 10 performs wireless communication through the WCDMA network, but is not limited thereto.

The mobile terminal 10 performs an optimal packet call setup procedure corresponding to an urgent FOTA service in connection with a wideband code division multiple access (WCDMA) network to solve various bugs occurring in the terminal.

In other words, the urgent FOTA service from the network point of view is an optimal packet call so that the update package (data) can be transmitted at the maximum transmission rate supported by the mobile terminal 10 in consideration of the category of the mobile terminal 10. To provide.

The customer center 100 may be a counseling center via a telephone / internet operated by a telecommunication company or a terminal manufacturer, and serves to receive and resolve a voice of customer (VOC) received according to a number of bugs occurring in the terminal. Do it.

In particular, the customer center 100 checks information such as the category (Category) and installed software (program) version of the mobile subscriber station 10, and if the problem can be solved by software update, customer complaints by providing a FOTA service Can be solved.

Here, the status information such as the category and software version of the mobile terminal 10 is confirmed by the subscriber, or generates a configuration inquiry SMS (Short Message Service) for inquiring it, and transmits it to the mobile terminal 10. In addition, the mobile terminal 10 may receive the information by checking and responding to the state information in a background operation. In addition, the customer center 100 may be linked with the DM server 600 to determine the status information and determine a solution thereof.

In addition, the customer center 100 generates an agent FOTA SMS for packet call connection and transmits it to the mobile terminal 10 of the subscriber in order to provide the best FOTA service to the subscriber. At this time, the agent FOTA SMS includes an access value (URL) of the DM server 600 managing the update package and an urgent value set in a Future-Use field for a new service.

The message center (SMSC) 200 is a system for providing a text message and a wireless data service for a mobile terminal, and transmits an agent FOTA SMS to the mobile terminal 10 according to a condition input from the customer center 100. Do it.

The mobile terminal 10 analyzes the agent FOTA SMS received from the customer center 100, determines the message for the urgent porter service by looking at the urgent value of the reserved word field.

Accordingly, the mobile terminal 10 generates an Activate PDP Context Request message for packet call setup corresponding to an urgent FOTA service. In this case, the generated activation PDP context request message may maximize the access point name (APN) corresponding to the FOTA service and the quality of service (QoS) capability of the mobile terminal 10 (Capability). Maximum).

Here, the APN may be a domain name (eg, fotalktfwing.com) that allows the mobile terminal 10 to connect to an urgent FOTA service and a system providing the service.

When SGSN 300 receives an activation PDP context request message from mobile terminal 10 as a kind of exchange, it analyzes it, determines that it is a packet call setup request for urgent FOTA upgrade service, and maximizes QoS of mobile terminal 10. It is assigned to.

2 is a block diagram schematically illustrating a configuration of an SGSN according to an embodiment of the present invention.

Referring to FIG. 2, the SGSN 300 according to an embodiment of the present invention includes a communication unit 310, a determination unit 320, a storage unit 330, a message processing unit 340, and a control unit 350. .

The communication unit 310 may be connected to the SMSC 200, the RAN 400, the GGSN 500, and the like through the wired / wireless interface so that the mobile terminal 10 may use the traffic service through the mobile network.

When the determination unit 320 confirms the APN of the activation PDP context request message received from the SMSC 200, the determination unit 320 determines that the packet call establishment request is made for the urgent FOTA upgrade service, and checks the maximum QoS considering the category of the mobile terminal 10. do.

The determination unit 320 reads the QoS value included in the activation PDP context request message to determine the maximum transmission rate of the uplink / downlink of the mobile terminal 10 or the maximum uplink / downlink according to the category of the mobile terminal 10. The transmission speed can be checked by querying the relevant QoS table.

The storage unit 330 stores various programs for driving the SGSN 300 and various data generated according to the driving thereof. In particular, the storage unit 330 stores a table in which QoS for each category of the mobile terminal 10 is defined for urgent FOTA service.

On the other hand, Figure 3 shows a QoS table for each category of the terminal according to an embodiment of the present invention.

Referring to FIG. 3, the QoS table for each category of a terminal according to an embodiment of the present invention classifies the maximum transmit / receive capability for each type of terminal for each category and indicates a maximum data rate value in a fast downlink corresponding to each category. Include. For example, a terminal corresponding to category 1 supports 1.2 Mbps, a terminal corresponding to category 3 supports 1.8 Mbps, and a terminal corresponding to category 5 supports a maximum transmission rate such as 3.6 Mbps.

Such a category-specific QoS table of the terminal may be a criterion for the determination unit 320 to determine the maximum transmission rate of the uplink / downlink of the mobile terminal 10.

The message processor 340 generates an activation PDP context approval message corresponding to the activation PDP context request message according to the determination result of the determination unit 320 and responds to the mobile terminal 10. The activation PDP context acknowledgment message includes information allowing the maximum uplink / downlink transmission rate of the mobile terminal 10 for the urgent FOTA upgrade service.

The control unit 350 controls the operation of each unit for the overall operation of the SGSN 300, the packet call setting and the update package according to the urgent FOTA upgrade service of the mobile terminal 10 is It supports transmission at maximum transmission speed.

The RAN 400 includes a base station 410 and a radio network controller (RNC) 420 that accommodate the radio access standard of the 3rd Generation Partnership Project (3GPP) standard to support the existing WCDMA. It includes.

The RAN 400 receives a service request signal, a data service request signal, and uploading data from the mobile terminal 10 and transmits the received data to the SGSN 300, and receives and updates an update package according to the packet call setting of the SGSN 300. It performs the function of transmitting to the terminal (10).

The base station 410 performs a radio access termination function with the mobile terminal 10 and transmits and receives data traffic in a WCDMA manner.

The RNC 420 performs wired / wireless channel management and maintains an optimal data channel according to an urgent FOTA upgrade service according to QoS allocated to the mobile terminal 10 in the SGSN 300.

The GGSN 500 is a node in charge of a connection function between a backbone network and an external packet data network and provides a high speed packet data service for a packet data service of a general packet radio service (GPRS).

Accordingly, the GGSN 500 serves as a gateway for connecting a data path for packet call processing with the DM server 600 for urgent FOTA service in the WCDMA network.

The DM server 600 is a server that manages the mobile terminal 10 and additionally connected devices. Various programs such as non-volatile data (NV) data, driver updates, firmware, and applications for driving the mobile terminal 10 are provided. It serves to provide upgrades.

When the DM server 600 receives the update package request from the mobile terminal 10, it analyzes the header of the received packet to determine the type of the mobile terminal 10 requested or the type and model information of the device connected thereto and the NV used. Identify version information about programs such as data, drivers, firmware, and applications. Then, the latest update package corresponding to the mobile terminal 10 is detected and transmitted to the mobile terminal 10.

At this time, the DM server 600 collects the latest update data corresponding to the mobile terminal 10 and the latest update data corresponding to the type and model information of the device connected thereto, and compares the latest update data to the latest version is required. You can also create an update package by detecting only the data.

In addition, the DM server 600 may be omitted in the drawings, but may be transmitted to the customer center 100 by collecting a bug of the terminal and a solution according to the diagnosis thereof in connection with the manufacturer server manufacturing the terminal and the verification server verifying the terminal.

Meanwhile, a method of improving FOTA service quality according to an embodiment of the present invention will be described with reference to FIGS. 4 and 5.

First, FIG. 4 is a flowchart illustrating a FOTA service quality improvement method according to a first embodiment of the present invention.

Referring to FIG. 4, the customer center 100 according to the first embodiment of the present invention receives a complaint (VOC) of a subscriber due to a bug of the mobile terminal 10 (S401), and the mobile terminal 10. Check the type (type) and the corresponding program version status information (S402).

And, if the problem can be solved by the program version and software update for the mobile terminal 10 generates an agent FOTA SMS for the urgent FOTA upgrade service (S403), through the SMSC 200 to the mobile terminal 10 It transmits (S404).

The mobile terminal 10 analyzes the agent FOTA SMS received from the customer center 100, confirms that it is an upgrade event according to the urgent porta service (S405), and activates the data call corresponding to the urgent FOTA upgrade service. A PDP context request message is generated and transmitted to the SGSN 300 (S406).

At this time, the generated activation PDP context request message includes an APN corresponding to an urgent FOTA upgrade service, a maximum uplink transmission rate (max_bitrate_uplink) and a maximum downlink transmission rate (max_vitrate_doownlink) of the mobile terminal 10.

When SGSN 300 receives the activation PDP context request message from the mobile terminal 10, the SGSN 300 analyzes this to determine the APN and determines that the message is a request for an urgent porta service (S407).

In addition, the SGSN 300 sets the maximum uplink transmission rate and the maximum downlink transmission rate according to the request of the mobile terminal 10, and generates an Activate PDP Context Accept message that accepts them (S408). ). Here, although omitted in the drawing, the PDP context may be generated through negotiation with the GGSN 500 in the activation PDP context approval message.

Subsequently, the SGSN 300 transmits the generated Activate PDP Context Accept message to the mobile terminal 10 and allocates resources to accommodate the QoS requested by the mobile terminal 10 in the radio access network 400. (S409).

As a result, a packet call for an urgent FOTA upgrade service of the mobile station 10 is set, and packet data transmission and reception between the mobile station 10 and the DM server 600 are possible through the packet call. The mobile terminal 10 downloads the update package from the DM server 600 at the maximum transmission rate (S410). When the mobile terminal 10 receives all the update packages, the mobile terminal 10 decompresses the update package and executes verification of the first and last images to confirm that the download of the update package is normally performed and performs a program upgrade (S411).

Next, FIG. 5 is a flowchart illustrating a FOTA service quality improvement method according to a second embodiment of the present invention.

Referring to FIG. 5, the method for improving the quality of service of the FOTA according to the second embodiment of the present invention is similar to the first embodiment of FIG. 4, and the SGSN 300 receives category information of the mobile terminal 10. The only difference is to set the maximum baud rate based on that.

That is, steps S501 to S505 are similar to steps S401 to S404 of FIG. 4.

The mobile terminal 10 transmits the APN corresponding to the urgent FOTA upgrade service in the activation PDP context request message to the SGSN 300 including information on the type, model, and manufacturer (model) of the mobile terminal 10 (S506). ).

When the SGSN 300 receives the activation PDP context request message from the mobile terminal 10, the SGSN 300 determines the APN by analyzing the message and determines that the message is a request for an urgent porta service (S507).

The SGSN 300 inquires and sets the maximum uplink transmission rate and the maximum downlink transmission rate corresponding to the corresponding category based on information of the type, model, manufacturer (model), etc. of the mobile terminal 10 and accepts the same. Generate an Activate PDP Context Accept message (S508).

Thereafter, the SGSN 300 transmits the generated Activate PDP Context Accept message to allocate resources to accept the QoS requested by the mobile station 10, and the mobile terminal 10 performs the upgrade. Steps S511 are similar to steps S409 to S411 corresponding to FIG. 4, respectively.

As described above, the FOTA service system according to an embodiment of the present invention diagnoses various bugs occurring in the mobile terminal 10 and downloads an update package of the mobile terminal 10 by supporting an urgent FOTA upgrade service through the agent FOTA SMS. This has the effect of speeding up load and program updates.

In particular, it is possible to reduce the download delay of large update packages and increase the FOTA service success rate due to the improvement of download speed, thereby increasing the customer satisfaction index (CSI) and reducing customer complaints.

In addition, the maximum data transmission rate according to the category (performance) of the mobile terminal 10 is guaranteed to allocate an efficient resource that meets the needs of the customer.

The embodiments of the present invention are not limited to the above-described apparatuses and / or methods, but may be implemented through a program for realizing functions corresponding to the configuration of the embodiment of the present invention, a recording medium on which the program is recorded And such an embodiment can be easily implemented by those skilled in the art from the description of the embodiments described above.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

1 is a network diagram illustrating a configuration of a system for providing a FOTA service having an improved download speed according to an exemplary embodiment of the present invention.

2 is a block diagram schematically illustrating a configuration of an SGSN according to an embodiment of the present invention.

3 shows a QoS table for each category of a terminal according to an embodiment of the present invention.

4 is a flowchart illustrating a FOTA service quality improvement method according to a first embodiment of the present invention.

5 is a flowchart illustrating a FOTA service quality improvement method according to a second embodiment of the present invention.

Claims (10)

In the exchange of the FOTA service providing system to provide a firmware over the air (FOTA) service with improved download speed, a) checking an access point name (APN) by analyzing a PDP context activation request message received from the mobile terminal and determining that the message is a message requesting an urgent FOTA upgrade service; And b) allocating a resource to accept the data quality of service (QoS) of the mobile terminal by transmitting a PDP context activation approval message to the mobile terminal; FOTA service providing method comprising a. The method of claim 1, Step a) is Analyzing the message to determine a maximum uplink transmission rate and a maximum downlink transmission rate according to the data quality of service of the mobile terminal. The method of claim 1, Step a) is a-1) analyzing the message to identify category information of the mobile terminal; And a-2) searching and identifying a corresponding maximum uplink transmission rate and maximum downlink transmission rate in a service quality table based on the category information FOTA service providing method comprising a. The method of claim 3, wherein The quality of service table, At least one category information according to the type of the mobile terminal and at least one data transmission rate corresponding to the category information. In the FOTA service providing system with improved download speed, A customer center which grasps state information according to a category and a program version of a mobile terminal, generates an agent FOTA message, and transmits the generated message to the mobile terminal; A mobile terminal which analyzes the received agent FOTA message to identify an urgent FOTA upgrade service event and requests packet call setup corresponding to the urgent FOTA upgrade service; And An exchange that identifies an urgent FOTA upgrade service request through an APN of the request, generates a message in response to the request, and allocates resources to accommodate the data quality of service (QoS) of the mobile terminal FOTA service providing system comprising a. The method of claim 5, The customer center, And a configuration inquiry message operating in the background to the mobile terminal to diagnose the state information obtained in response. The method according to claim 5 or 6, The exchanger, A communication unit performing communication through a wired / wireless interface; A determination unit determining whether the packet call setup request is made based on the access point name, and determining a maximum transmission rate of uplink / downlink considering the category of the mobile terminal; A storage unit for storing a category-specific quality of service (QoS) table for the urgent FOTA upgrade service; And Message generation unit for generating the response message to allow the maximum uplink / downlink transmission speed of the mobile terminal for the urgent FOTA upgrade service FOTA service providing system comprising a. The method of claim 7, wherein The determination unit, Determine the maximum transmission rate of the uplink / downlink based on the quality of service (QoS) information included in the request, or FOTA service providing system, characterized in that to determine the maximum transmission rate of the uplink / downlink by querying the quality of service (QoS) table for each category through the category. The method of claim 5, And a device management server for generating or detecting the latest update package corresponding to the mobile terminal and transmitting the packet through the packet call. The method of claim 9, The device management server, By using the header of the packet received from the mobile terminal to obtain at least one information of the type of the mobile terminal, the type of the connected device and the set program version, compared to the program version detects only the data that needs to be updated to the latest version FOTA service providing system, characterized in that for generating the update package.

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