KR101138495B1 - System for sharing subscriber authentication in different mobile communication network and method thereof - Google Patents

Abstract

By sharing subscriber authentication between WCDMA mobile communication network and CDMA 1X mobile communication network, different mobile communication networks allow normal subscriber authentication process to be processed through the authentication server of another mobile communication network even when the authentication server of one mobile communication network does not operate. A system and method for sharing subscriber authentication in a system are disclosed. That is, a first mobile communication network for transmitting and receiving a signal with a first subscriber; A second mobile communication network having a mobile communication network different from the first mobile communication network while transmitting and receiving a signal with a second subscriber; A home location register (HLR) for receiving a signal from a first switch of the first mobile communication network or a second switch of the second mobile communication network to process subscriber information; Receiving the first subscriber information of the first mobile communication network or the second subscriber information of the second mobile communication network from the home location register (HLR) to authenticate the first subscriber information as the main or auxiliary authentication of the second subscriber information; A first authentication server; And receiving the second subscriber information of the second mobile communication network or the first subscriber information of the first mobile communication network from the home location register (HLR) to authenticate the second subscriber information as the main or auxiliary authentication of the first subscriber information. By including a second authentication server, by sharing the server for subscriber authentication used in different mobile communication networks to maximize the efficiency of the investment can reduce the investment cost. In addition, the present invention can be used for each subscriber authentication server used in different mobile communication networks for backup if necessary for different subscriber authentication server.

WCDMA, mobile network, home location register, authentication server, subscriber authentication

Description

System and method for sharing subscriber authentication in different mobile networks {SYSTEM FOR SHARING SUBSCRIBER AUTHENTICATION IN DIFFERENT MOBILE COMMUNICATION NETWORK AND METHOD THEREOF}

The following drawings, which are attached in this specification, illustrate exemplary embodiments of the present invention, and together with the detailed description of the present invention, serve to further understand the technical spirit of the present invention. It should not be construed as limited to.

1 is a block diagram showing a system for sharing subscriber authentication in different mobile communication networks of the present invention.

2 is a flowchart illustrating a method for sharing subscriber authentication in different mobile communication networks of the present invention.

* Description of the symbols for the main parts of the drawings *

110: first mobile communication network 120: second mobile communication network

130: home location register (HLR) 140: first authentication server

150: second authentication server

The present invention relates to a system and method for sharing subscriber authentication in different mobile communication networks, and more particularly, authentication of any one mobile communication network by sharing subscriber authentication in a mobile communication network for WCDMA and a mobile communication network for CDMA 1X. The present invention relates to a system and a method for sharing subscriber authentication in different mobile communication networks that allow a normal subscriber authentication procedure to be processed through an authentication server of another mobile communication network even when the server is not operated.

The mobile communication system uses the first generation analog AMPS (Advanced Mobile Phone System) and the second generation cellular / personal communication (PCS) methods, recently the third generation high speed data communication IMT-2000. (International Mobile Telecommunication-2000) is used.

The IMT-2000 service may be classified into a code division multiple access (CDMA) 2000 1X service, a CDMA 2000 1X EV-DO service, and a wideband code division multiple access (WCDMA). The CDMA-2000 1X service is a conventional IS-95A, Using IS-95C network, which has evolved from IS-95B network, it means service that enables wireless Internet at up to 144Kbps which is much faster than 14.4Kbps or 56Kbps, which is speed supported by IS-95A / B network.

In particular, by using the IMT-2000 service, it is possible to provide various multimedia services (AOD, VOD) at a higher speed as well as improving existing voice and wireless application protocol (WAP) service quality.

Meanwhile, the WCDMA method is a mobile communication system implemented asynchronously among the IMT-2000 systems. The wireless access method for communication between the base station and the mobile communication terminal uses the CDMA method, but the mobile communication network technology is GSM (Global System for Mobile Communication). Is based on network technology.

In addition, the WCDMA method does not need to use Global Positioning System (GPS) to synchronize all base stations, supports international roaming service, widens the frequency bandwidth to 5MHz, and has a data rate of 2Mbps, which is suitable for high-speed data transmission. In addition, by providing diversity according to the reverse call quality, the call and data transmission performance is relatively good even in a poor communication environment.

As described above, as the technology of the mobile communication system develops, various types of mobile communication networks are being built in the same area.

However, as the subscriber authentication servers of different types of mobile communication networks are not shared with each other as described above, even if the capacity of one authentication server is insufficient and the capacity of another authentication server remains, a separate authentication server must be additionally provided. There is this.

The present invention was created to solve the problems inherent in the prior art as described above, an object of the present invention, authentication of any one mobile communication network by sharing subscriber authentication in the mobile communication network for WCDMA and CDMA 1X The present invention provides a system and method for sharing subscriber authentication in different mobile communication networks that allow a normal subscriber authentication procedure to be processed through an authentication server of another mobile communication network even when the server is not operated.

In accordance with an aspect of the present invention, there is provided a system for sharing subscriber authentication in different mobile communication networks, the system comprising: a first mobile communication network for transmitting and receiving signals with a first subscriber; A second mobile communication network having a mobile communication network different from the first mobile communication network while transmitting and receiving a signal with a second subscriber; A home location register (HLR) for receiving a signal from a first switch of the first mobile communication network or a second switch of the second mobile communication network to process subscriber information; Receiving the first subscriber information of the first mobile communication network or the second subscriber information of the second mobile communication network from the home location register (HLR) to authenticate the first subscriber information as the main or auxiliary authentication of the second subscriber information; A first authentication server; And receiving the second subscriber information of the second mobile communication network or the first subscriber information of the first mobile communication network from the home location register (HLR) to authenticate the second subscriber information as the main or auxiliary authentication of the first subscriber information. It includes; a second authentication server.

In the above configuration, the first authentication server includes: a first database unit for storing subscriber data; A first main processing unit which processes the subscriber information of the first mobile communication network as a main; A first auxiliary processor configured to auxiliary-process subscriber information of the second mobile communication network; And a first control unit controlling the first database unit, the first main processing unit, and the first auxiliary processing unit according to the signal transmitted from the home location register to process first or second subscriber authentication.

In the above configuration, the second authentication server may include a second database unit for storing subscriber data; A second main processing unit which processes the subscriber information of the second mobile communication network as a main; A second auxiliary processor which auxiliary-processes subscriber information of the first mobile communication network; And a second controller configured to process the second subscriber or the first particle authentication by controlling the second database unit, the second main processor, and the second auxiliary processor according to the signal transmitted from the home location register.

In the above configuration, the first mobile communication network is a mobile communication network for Code Division Multiple Access (CDMA) 2000 1X, and the second mobile communication network is a mobile communication network for wideband code division multiple access (WCDMA).

In the above configuration, when the first authentication server does not operate due to a failure or the like, the second authentication server assists the subscriber authentication of the CDMA 1X mobile communication network while processing the subscriber authentication of the WCDMA mobile communication network.

In the above configuration, when the second authentication server does not operate due to a failure or the like, the first authentication server assists subscriber authentication of the WCDMA mobile communication network while processing subscriber authentication of the CDMA 1X mobile communication network.

According to yet another aspect of the present invention, there is provided a method for sharing subscriber authentication in different mobile networks: a) sending and receiving signals with a first mobile network or a second subscriber that sends and receives signals with a first subscriber; Receiving at the home location register subscriber information from a second mobile communication network; b) checking an operating state of a first authentication server or a second authentication server according to the received subscriber information; c) selectively transmitting subscriber information received in the subscriber information receiving step to the first authentication server or the second authentication server according to the checked operation status of the first authentication server or the second authentication server; And d) main processing or auxiliary processing of subscriber authentication in a first authentication server or a second authentication server using the transmitted subscriber information.

In the above configuration, the first mobile communication network is a mobile communication network for Code Division Multiple Access (CDMA) 2000 1X, and the second mobile communication network is a mobile communication network for wideband code division multiple access (WCDMA).

In the above configuration, in step d), if it is checked in step b) that the first authentication server is not operated due to a failure, the second authentication server moves for CDMA 1X while processing subscriber authentication of a mobile communication network for WCDMA. Assist subscriber authentication of communication network.

In the above configuration, in step d), if it is checked in step b) that the second authentication server is not operated due to a failure or the like, the first authentication server is processing WCDMA for the subscriber authentication of the CDMA 1X mobile communication network. Assist subscriber authentication of mobile communication network.

(Example)

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

1 is a schematic block diagram of a system for sharing subscriber authentication in different mobile communication networks of the present invention.

As shown in FIG. 1, the system includes a first mobile communication network 110, a second mobile communication network 120, a home location register (HLR) 130, a first authentication server 140, and The second authentication server 150 is included.

The first mobile communication network 110 is a mobile communication network for Code Division Multiple Access (CDMA) 2000 1X. The first mobile communication network 110 includes a first base station 112, a first switch 114, and the like. Send a signal to the location register 130.

The second mobile communication network 120 is a mobile communication network for wideband code division multiple access (WCDMA), and includes a second base station 122, a second switch 124, and the like, and transmits and receives signals to and from a second subscriber station. Send a signal to the register 130.

The home location register (HLR) 130 receives a signal from the first switch 114 of the first mobile communication network 110 or the second switch 124 of the second mobile communication network to receive first subscriber information or information. Process authentication for the second subscriber information.

In this case, the home location register 130 is preferably provided with software for the first mobile communication network and the second mobile communication network so as to process all the signals received from the first mobile communication network 110 or the second mobile communication network 120. Do.

Meanwhile, the signal received from the first mobile communication network 110 or the second mobile communication network 120 by the home location register 130 is a transmission / reception message (eg, location registration) for location registration of the first subscriber and the second subscriber. Request message, location registration rejection message, location registration response message), and the like.

The first authentication server 140 includes a first database unit 142, a first main processing unit 144, a first auxiliary processing unit 146, and a first control unit. The first subscriber information of the first mobile communication network 110 or the second subscriber information of the second mobile communication network 120 is received to authenticate the first subscriber information as the main authentication process or the second subscriber information as the auxiliary authentication process.

The first database unit 142 stores subscriber data, the first main processing unit 144 authenticates subscriber information of the first mobile communication network, and the first auxiliary processing unit 146 receives subscriber information of the second mobile communication network. The first control unit 148 controls the first database unit 142, the first main processing unit 144, and the first auxiliary processing unit 146 according to the signal transmitted from the home location register 130. Handles first or second subscriber authentication.

The second authentication server 150 includes a second database unit 152, a second main processing unit 154, a second auxiliary processing unit 156, and a second control unit 158, and includes a home location register 130. Receives second subscriber information of the second mobile communication network 120 or first subscriber information of the first mobile communication network 110 from the second mobile station and authenticates the second subscriber information as the main authentication process, or the first subscriber information as the secondary authentication process. Authenticate

The second database unit 152 stores subscriber data, the second main processing unit 154 authenticates subscriber information of the second mobile communication network, and the second auxiliary processing unit 156 receives subscriber information of the first mobile communication network. The second control unit 158 controls the second database unit 152, the second main processing unit 154, and the second auxiliary processing unit 156 according to the signal transmitted from the home location register 130. Process the second subscriber or first particle authentication.

If the first authentication server 140 does not operate due to a failure or the like, the second authentication server 150 assists in processing the subscriber authentication of the first mobile communication network while processing the subscriber authentication of the second mobile communication network.

In addition, when the second authentication server 150 does not operate due to a failure or the like, the first authentication server 140 processes the subscriber authentication of the second mobile communication network while assisting the subscriber authentication of the second mobile communication network.

On the other hand, since a specific procedure for processing subscriber authentication in the first authentication server 140 and the second authentication server 150 is already known or in progress, a detailed description thereof will be omitted.

Hereinafter, a method of sharing subscriber authentication in different mobile communication networks according to the present invention will be described with reference to FIG. 2. 2 is a flowchart illustrating a method of sharing subscriber authentication in different mobile communication networks of the present invention.

The method of sharing subscriber authentication in different mobile communication networks shown in FIG. 2 includes a reception step (S210), a server check step (S220), a transmission step (S230), and a subscriber authentication step (S240).

In the receiving step (S210), the home location register 130 receives the subscriber information from the first mobile communication network 110 for transmitting and receiving signals with the first subscriber or the second mobile communication network 120 for transmitting and receiving signals with the second subscriber. .

In the server checking step (S220), a signal for checking the operation state of the first authentication server 140 or the second authentication server 150 by the home location register 130 according to the subscriber information received in the subscriber information receiving step (S210). Alternatively, when the message is transmitted, the first authentication server 140 or the second authentication server 150 transmits a response signal or response message according to the state to the home location register 130.

In the transmitting step (S230), the subscriber information received in the subscriber information receiving step selectively based on the operation state of the first authentication server 140 or the second authentication server 150 checked in the server check step (S220) and selectively authenticates the first information. The server 140 transmits the data to the second authentication server 150.

In the subscriber authentication step (S240), the subscriber information transmitted in the transmission step (S230) is processed by the first authentication server 140 or the second authentication server 150, either main or auxiliary.

If, in the server check step (S220), it is checked that the first authentication server 140 does not operate due to a failure, etc., in the subscriber authentication step (S240), the second authentication server 150 performs subscriber authentication of the second mobile communication network. While processing as the main, the subscriber authentication of the first mobile communication network is assisted.

In addition, if it is checked in the server checking step (S220) that the second authentication server 150 is not operated due to a failure, etc., in the subscriber authentication step (S240), the first authentication server 140 performs subscriber authentication of the first mobile communication network. While processing as a main, the subscriber authentication of the second mobile communication network is assisted.

As can be seen from above, the system and method for sharing subscriber authentication in different mobile communication networks according to the present invention, any one mobile communication network by sharing the subscriber authentication in the mobile communication network for WCDMA and CDMA 1X Even if the authentication server does not work, the normal subscriber authentication process is processed through the authentication server of another mobile communication network.

In addition, the present invention can maximize the investment efficiency by reducing the server cost by sharing the server for subscriber authentication used in different mobile communication networks.

In addition, the present invention can be used for each subscriber authentication server used in different mobile communication networks for backup if necessary for different subscriber authentication server.

Although the present invention has been described in detail with reference to the preferred embodiments, the present invention is not limited to the above-described embodiments, and the present invention belongs to the present invention without departing from the gist of the present invention as claimed in the following claims. Anyone skilled in the art will have the technical idea of the present invention to the extent that various modifications or changes are possible.

Claims (10)

In a system for sharing subscriber authentication in different mobile communication networks, A first mobile communication network for transmitting and receiving a signal with a first subscriber; A second mobile communication network having a mobile communication network different from the first mobile communication network while transmitting and receiving signals with a second subscriber; A home location register (HLR) for receiving a signal from a first switch of the first mobile communication network or a second switch of the second mobile communication network to process subscriber information; Receiving the first subscriber information of the first mobile communication network or the second subscriber information of the second mobile communication network from the home location register (HLR) to authenticate the first subscriber information as the main or auxiliary authentication of the second subscriber information; A first authentication server; And Receiving the second subscriber information of the second mobile communication network or the first subscriber information of the first mobile communication network from the home location register (HLR) to authenticate the second subscriber information as the main or auxiliary authentication of the first subscriber information. And a second authentication server. The system for sharing subscriber authentication in different mobile communication networks. The method of claim 1, wherein the first authentication server, A first database unit for storing subscriber data; A first main processing unit which processes the subscriber information of the first mobile communication network as a main; A first auxiliary processor configured to auxiliary-process subscriber information of the second mobile communication network; And And a first control unit controlling the first database unit, the first main processing unit, and the first auxiliary processing unit according to the signal transmitted from the home location register to process the first subscriber or the second subscriber authentication. A system for sharing subscriber authentication in different mobile communication networks. The method of claim 1, wherein the second authentication server, A second database unit for storing subscriber data; A second main processing unit which processes the subscriber information of the second mobile communication network as a main; A second auxiliary processor which auxiliary-processes subscriber information of the first mobile communication network; And And a second control unit controlling the second database unit, the second main processing unit, and the second auxiliary processing unit according to the signal transmitted from the home location register to process the second subscriber or the first particle authentication. A system for sharing subscriber authentication in different mobile communication networks. The method according to any one of claims 1 to 3, The first mobile communication network is a mobile communication network for Code Division Multiple Access (CDMA) 2000 1X, and the second mobile communication network is a mobile communication network for wideband code division multiple access (WCDMA). Shared system. The method of claim 4, wherein When the first authentication server does not operate due to a failure or the like, the second authentication server handles subscriber authentication of the CDMA 1X mobile communication network while assisting subscriber authentication of the WCDMA mobile communication network. System for sharing subscriber authentication in communication network. The method of claim 4, wherein When the second authentication server does not operate due to a failure or the like, the first authentication server processes subscriber authentication of the CDMA 1X mobile communication network while assisting subscriber authentication of the WCDMA mobile communication network. System for sharing subscriber authentication in communication network. In the method of sharing subscriber authentication in different mobile communication networks, a) receiving subscriber information at a home location register from a first mobile communication network transmitting and receiving a signal with a first subscriber or a second mobile communication network transmitting and receiving a signal with a second subscriber; b) checking an operating state of a first authentication server or a second authentication server according to the received subscriber information; c) selectively transmitting subscriber information received in the subscriber information receiving step to the first authentication server or the second authentication server according to the checked operation status of the first authentication server or the second authentication server; And d) subjecting the transmitted subscriber information to a first authentication server or a second authentication server for main processing or auxiliary processing; and sharing subscriber authentication in different mobile communication networks. The method of claim 7, wherein The first mobile communication network is a mobile communication network for Code Division Multiple Access (CDMA) 2000 1X, and the second mobile communication network is a mobile communication network for wideband code division multiple access (WCDMA). How to share. The method of claim 7 or 8, wherein the step d), If it is checked in step b) that the first authentication server is not operated due to a failure, the second authentication server assists in processing the subscriber authentication of the CDMA 1X mobile communication network while processing the subscriber authentication of the WCDMA mobile communication network. Method of sharing subscriber authentication in different mobile communication networks, characterized in that. The method of claim 7 or 8, wherein the step d), If it is checked in step b) that the second authentication server is not operated due to a failure or the like, the first authentication server assists in processing the subscriber authentication of the WCDMA mobile communication network while processing the subscriber authentication of the CDMA 1X mobile communication network. Method of sharing subscriber authentication in different mobile communication networks, characterized in that.

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