KR101038850B1 - Method and apparatus for offering and renewing oplmn - Google Patents

Abstract

The present invention relates to a method and apparatus for providing an OPLMN to a mobile telephone terminal.

In the OPLMN providing method of the present invention, receiving the country identification information identifying the country where the mobile terminal registered in the location registration device from the location registration device, OPLMN including the OPLMN of the country in the pre-stored regional OPLMN group information Retrieving group information and providing the retrieved OPLMN group information to the mobile telephone terminal.

According to the present invention, when a location registration request comes from a mobile phone terminal, the mobile phone terminal provides OPLMN group information for a corresponding region, and the mobile phone terminal updates the previously stored OPLMN based on the number of OPLMNs that can be stored in the UICC. It is effective to implement OPLMN policy without restriction.

Mobile Phone, OPLMN, Provision, Update, Country Identification Information

Description

OPPLMN providing and updating method and apparatus therefor {METHOD AND APPARATUS FOR OFFERING AND RENEWING OPLMN}

The present invention relates to a method and apparatus for providing an OPLMN to a mobile telephone terminal.

In addition, the present invention relates to a method of updating OPLMN stored by receiving OPLMN group information from an OPLMN providing apparatus, and a mobile telephone terminal for the same.

In recent years, mobile communication providers have cooperated with mobile communication providers of other countries to provide international roaming services in which their mobile communication users can use mobile communication services in other countries with the same number when they visit other countries.

The Universal Integrated Circuit Card (UICC) of a mobile terminal with international roaming capability includes higher priority such as Home Public Land Mobile Network (HPLMN), User controlled PLMN selector list (UPLMN), and Operator Controlled PLMN selector list (OPLMN). ) PLMN is stored.

The priority PLMN includes mobile country code (MCC), mobile network code (MNC), location area identity (LAI), and PLMN operator identifier as identification information.

The mobile phone terminal scans the priority PLMN every predetermined time and requests registration from a base station located in an adjacent cell.

Currently, the number of OPLMNs that can be managed in the UICC card is limited to 20.

In the conventional roaming service as described above, there is a problem in that the OPLMN policy cannot be enforced in a region other than the pre-stored OPLMN, and it is an object of the present invention to solve such a problem.

The present invention has been proposed in order to solve the above problems, it characterized in that to provide the mobile telephone terminal with the OPLMN group information for the region when the application for location registration from the mobile telephone terminal.

The pre-stored OPLMN is updated based on the received OPLMN group information.

More specifically, the present invention provides a method for providing OPLMN, the step of receiving country identification information for identifying the country where the mobile terminal registered in the location registration device from the location registration device, OPLMN of the country in the pre-stored regional OPLMN group information Retrieving the included OPLMN group information and providing the retrieved OPLMN group information to the mobile telephone terminal.

The present invention also provides an OPLMN providing apparatus, comprising: a receiver for receiving country identification information for identifying a country where a mobile phone terminal registered in a location registration device is located from an location registration device, and an OPLMN of a country in pre-stored regional OPLMN group information. And a search unit for searching the included OPLMN group information and a transmitter for providing the searched OPLMN group information to the mobile telephone terminal.

The present invention provides a method for updating an OPLMN, the method comprising: transmitting a location registration message to a location registration device, and receiving OPLMN group information including an OPLMN of a country where a mobile phone terminal is located from an OPLMN providing device that manages OPLMN group information for each region. And updating the pre-stored OPLMN based on the received OPLMN group information.

In addition, the present invention provides a mobile phone terminal, the transmission unit for transmitting a location registration message to the location registration device, OPLMN group information including the OPLMN of the country where the mobile phone terminal is located from the OPLMN providing device for managing the OPLMN group information for each region And an updating unit for updating the pre-stored OPLMN based on the receiving unit and the received OPLMN group information.

The present invention as described above, when the location registration request from the mobile phone terminal provides the OPLMN group information for the corresponding area to the mobile phone terminal and the mobile phone terminal by updating the pre-stored OPLMN on the basis of the OPLMN that can be stored in the UICC The OPLMN policy can be implemented in any number.

The above objects, features, and advantages will be described in detail with reference to the accompanying drawings, whereby those skilled in the art may easily implement the technical idea of the present invention. In describing the present invention, when it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description will be omitted.

HPLMN, UPLMN, and OPLMN are defined to clarify the gist of the present invention and to facilitate its explanation and understanding.

The Home Public Land Mobile Network (HPLMN) according to the present invention is defined as a land public mobile communication network of a country in which a user of a mobile telephone terminal subscribes to a mobile telephone terminal.

UPLMN (User controlled PLMN selector list) is defined as a PLMN list selected by a user of a mobile phone terminal.

OPLMN (Operator Controlled PLMN Selector list) is defined as a PLMN list selected by a mobile operator to which a user of a mobile terminal is subscribed.

The HPLMN, UPLMN, and OPLMN are identified by Mobile Country Code (MCC), Mobile Network Code (MCC), Location Area Identity (LAI), and PLMN Operator Identifier. .

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to indicate the same or similar components.

Hereinafter, a mobile communication system to which the present invention is applied will be described with reference to FIG. 1.

1 is a functional block diagram of a mobile communication system to which the present invention is applied.

The mobile communication system includes a mobile phone terminal 100, a location registration device 200, and an OPLMN providing device 300.

The mobile terminal 100 may include a personal digital assistant (PDA), a smart phone, an international mobile telecommunication 2000 (IMT-2000) terminal, a code division multiple access (CDMA) terminal, and a wideband code division. It can be applied to all information communication devices and multimedia devices such as a multiple access (GSM) terminal, a global system for mobile communication (GSM) terminal, a universal mobile telecommunication service (UTMS) terminal, and a cellular phone, and applications thereof.

The mobile phone terminal 100 includes a transmitter 110, a storage 130, an updater 150, and a receiver 170.

The transmitter 110 and the receiver 170 form a call channel with a base station (BTS) for data communication and voice call, and transmit user data to another external mobile phone terminal using the call channel. It is responsible for a series of calls related to the transmission and reception of contents and control signals related to the contents through wireless transmission or interworking with an external web server. The transmitter 110 upconverts and amplifies the frequency of the transmitted signal. The receiver 170 low noise amplifies the received signal and converts the frequency down.

The transmitter 110 according to the present invention scans the PLMN list. At this time, a priority PLMN such as OPLMN is first scanned. As a result of scanning the priority PLMN, location registration is performed using the PLMN that transmitted the largest signal. In this case, the location registration message may include, for example, terminal identification information such as an International Mobile Subscriber Identity (IMSI) and a Mobile Station International ISDN Number (MSSI).

In addition, the receiver 170 according to the present invention receives the OPLMN group information provided by the OPLMN providing apparatus 300. Here, the OPLMN group information may be received using over-to-air (OTA). The OPLMN group information may include the OPLMN of the country identified by the country identification information received from the location registration device 200.

In addition, the region-specific OPLMN group information may be group information that classified the OPLMN of the neighboring countries of the roaming agreement country by region.

The storage unit 130 is an area in which data generated according to the use of the mobile terminal 100 is stored, and user data related to content downloaded through a content server and various other optional functions, for example, photographing by a camera function. Images or videos, phonebook data, audio data and text messages are stored. Also, setting information corresponding to user data may be stored. In particular, the storage unit 130 according to the present invention stores the PLMN identification information that can identify the PLMN. The PLMN identification information may include MCC, MNC, LAI and PLMN operator identifiers. In the present invention, the PLMN is identified using the MCC, but is not limited thereto. In addition, the storage unit 120 according to the present invention stores a high priority PLMN list such as HPLMN, OPLMN, and UPLMN. Here, the storage unit 120 may use a Universal IC Card (UICC), or may use an IC (Integrated Circuit) card that can store data in addition to the UICC.

The updater 150 updates the pre-stored OPLMN based on the received OPLMN group information.

The location registration device 200 may include a GRL (Gateway Location Resister) and a VLR (Vister Location Resister). The location registration apparatus 200 may register the location by receiving the location registration message and storing the packet subscriber information and the circuit subscriber information in the VLR through a series of processes. Here, the location registration message may include terminal identification information. In addition, the location registration device 200 transmits country identification information (for example, MCC) for identifying the country where the mobile phone terminal 100 is located to the OPLMN providing device 300. Here, the location registration device 200 may transmit the terminal identification information to the OPLMN providing device 300. The country identification information is used by the OPLMN providing apparatus 300 to retrieve regional OPLMN group information. The terminal identification information may be used when the OPLMN providing apparatus 300 provides the OPLMN group information to the mobile telephone terminal 100. Here, the location registration device 200 may include a GLR, a VLR or other device capable of transmitting country identification information and terminal identification information to the OPLMN providing apparatus 300.

The OPLMN providing apparatus 300 may be a UMC (USIM Management Center). The OPLMN providing apparatus 300 includes a receiver 310, a storage 330, a searcher 350, and a transmitter 370. Here, the OPLMN providing apparatus 300 may be formed as a separate module from the location registration apparatus 200 or may be formed as an integrated module.

The receiver 310 receives country identification information from the location registration device 200. Here, terminal identification information may be additionally received.

The storage unit 330 stores OPLMN group information for each region.

European Group 1

UK, France, Belgium ...

Americas Group 1

USA, Canada, Mexico, Guatemala ...

East Asian Group 1

China, Japan, Taiwan, Hong Kong ...

The OPLMN group information for each region may be group information that categorizes OPLMNs of neighboring countries of roaming convention countries by region as shown in [Table 1]. In Table 1, the word UK means OPLMN in the UK. Here, each OPLMN includes country identification information.

The search unit 350 searches for OPLMN group information by using the country identification information received from the location registration device 200. For example, if the country identified by the country identification information received from the location registration device 200 is the United Kingdom, group information including the OPLMN having the country identification information identifying the United Kingdom is searched.

The transmitter 370 may provide the retrieved OPLMN group information to the mobile phone terminal 100, and may use an OTA. Here, terminal identification information may be used to identify the terminal.

In the above embodiment, a case of searching and providing OPLMNs in group units will be described. Alternatively, only the OPLMNs of the countries identified by the country identification information received from the location registration apparatus 200 can be searched and provided to the mobile phone terminal 100. It may be. However, in the case of providing OPLMN as a group, there is an advantage that the OPLMN policy can be more efficiently implemented when moving from the region.

Hereinafter, a process of providing OPLMN group information by the OPLMN providing apparatus in the present invention will be described with reference to FIGS. 1 and 2.

2 is an operation flowchart of an OPLMN providing apparatus illustrating a process of providing OPLMN group information according to the present invention.

First, as shown in FIG. 2, the receiver 310 receives country identification information from the location registration apparatus 200 (S1). In this case, the terminal identification information may be additionally received. Here, the country identification information identifies the country where the mobile phone terminal 100 is located. The terminal identification information identifies the terminal.

Next, the search unit 350 searches for OPLMN group information including the OPLMN of the country identified by the country identification information received from the previously stored regional OPLMN group information (S2). That is, the OPLMN group information including the OPLMN of the country where the mobile terminal 100 is located is searched. Here, the region OPLMN group information may be group information that classified the OPLMN of the neighboring countries of the roaming agreement country by region.

Next, the transmitter 370 provides OPLMN group information to the mobile phone terminal 100 (S3). At this time, OTA may be used. In addition, terminal identification information may be used to identify the mobile telephone terminal 100.

Hereinafter, an OPLMN update process of a mobile phone terminal will be described with reference to FIGS. 1 and 3. 3 is a flowchart illustrating an operation of a mobile phone terminal showing an OPLMN update process according to the present invention.

First, as shown in FIG. 3, the transmitter 110 transmits a location registration message to the location registration device 200 (S10). The mobile phone terminal 100 scans the PLMN list. At this time, a priority PLMN such as OPLMN is first scanned. As a result of the scan, the location is registered using the PLMN that transmitted the largest signal. At this time, the location registration message may include the terminal identification information.

Next, the receiver 170 receives OPLMN group information from the OPLMN providing apparatus 300 (S20). At this time, it can be received using the OTA. The OPLMN group information includes the OPLMN of the country where the mobile terminal 100 is located. Here, the OPLMN group information may be group information that categorizes OPLMNs of neighboring countries of the roaming agreement country by region. And, in the reception of the OPLMN group information, the OPLMN providing apparatus 300 receives the national identification information from the location registration device 200, OPLMN including the OPLMN of the country identified by the country identification information received in the regional OPLMN group information The group information may be retrieved and then provided to the receiver 170, and the receiver 170 may receive the group information.

Next, the OPLMN is updated (S30). The updater 150 updates the OPLMN stored in the storage 130 based on the received OPLMN group information.

In the above manner, the mobile phone terminal 100 stores an OPLMN suitable for a corresponding region.

The mobile phone terminal 100 registers the location again using the OPLMN.

Therefore, when a location registration request comes from a mobile phone terminal, the mobile phone terminal provides OPLMN group information for a corresponding region, and the mobile phone terminal updates the previously stored OPLMN based on this, thereby limiting the number of OPLMNs that can be stored in the mobile phone terminal. OPLMN policy can be implemented without

In addition, the mobile phone terminal user may be encouraged to use a network of overseas operators in a strategic alliance with domestic operators.

In addition, the user can use a network of overseas operators that can stabilize the quality or save the fee.

The above embodiment has been described based on the process of international roaming of the mobile phone terminal, but of course, the same can be applied to the process of domestic roaming.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited by.

1 is a functional block diagram of a mobile communication system to which the present invention is applied;

2 is an operation flowchart of an OPLMN providing apparatus illustrating a process of providing OPLMN group information according to the present invention;

3 is an operation flowchart of a mobile phone terminal showing an OPLMN update process of the present invention.

* Explanation of symbols on the main parts of the drawings

100: mobile phone terminal

110: transmission unit

130: storage unit

150: renewal unit

170: receiver

200: location registration device

300: OPLMN provision device

310: receiving unit

330: storage unit

350: search unit

370: transmitting unit

Claims (11)

Receiving country identification information for identifying a country in which a mobile phone terminal registered in the location registration device is located; Retrieving OPLMN group information including the OPLMN of the country from previously stored regional OPLMN group information; Providing the retrieved OPLMN group information to the mobile telephone terminal, The retrieved OPLMN group information is The OPLMN of the country where the mobile terminal is located and the OPLMN of neighboring countries How to offer OPLMN. The method of claim 1, The OPLMN group information for each region, Method of providing OPLMN, which is a grouping information classified by region of OPLMN in neighboring countries of Roaming Convention States. The method of claim 1, The receiving step, And receiving terminal identification information of the mobile telephone terminal from the location registration device. The method of claim 1, The providing step, And providing the retrieved OPLMN group information to the mobile telephone terminal using an OTA. A receiving unit for receiving, from a location registration device, country identification information for identifying a country in which a mobile phone terminal registered in the location registration device is located; A search unit for searching for OPLMN group information including OPLMN of the country from previously stored region-specific OPLMN group information; And a transmitter for providing the retrieved OPLMN group information to the mobile telephone terminal. The retrieved OPLMN group information is The OPLMN of the country where the mobile terminal is located and the OPLMN of neighboring countries OPLMN provision device. In the method of updating a mobile phone terminal OPLMN, Transmitting a location registration message to a location registration device; Receiving OPLMN group information including an OPLMN of a country in which the mobile terminal is located from an OPLMN providing apparatus managing regional OPLMN group information; And Updating the pre-stored OPLMN based on the received OPLMN group information; The received OPLMN group information is The OPLMN of the country where the mobile terminal is located and the OPLMN of neighboring countries How to renew OPLMN. The method of claim 6, The OPLMN group information for each region, How to update the OPLMN, which is a grouping information grouping the OPLMN of the neighboring countries of the Roaming Convention State. The method of claim 6, The transmitting step, And transmitting terminal identification information of the mobile telephone terminal to the location registration device. The method of claim 6, The receiving step, And receiving the OPLMN group information by using an OTA. The method of claim 6, The OPLMN providing apparatus receives country identification information identifying the country from the location registration device, retrieves the OPLMN group information including the OPLMN of the country from the regional OPLMN group information, and transmits the information to the mobile telephone terminal. , How to update OPLMN. In the mobile terminal for updating the OPLMN, A transmission unit for transmitting a location registration message to a location registration device; A receiving unit for receiving OPLMN group information including an OPLMN of a country where the mobile terminal is located from an OPLMN providing apparatus managing regional OPLMN group information; And An update unit for updating the pre-stored OPLMN based on the received OPLMN group information; The received OPLMN group information is The OPLMN of the country where the mobile terminal is located and the OPLMN of neighboring countries Mobile phone terminal.

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