KR100673213B1 - Method and System for Providing Message Service in Airplane - Google Patents

Abstract

The present invention discloses a method and system for providing a message service on board an aircraft.

The present invention provides a method of providing a message service to a first mobile communication terminal located in an airplane, comprising the steps of: (a) storing message data to be transmitted by receiving a message request from a second mobile communication terminal; (b) querying the WLAN authentication server to confirm WLAN authentication for the first mobile communication terminal and notifying the message server of the authentication result; And (c) transmitting the message data stored in the message server to the mobile bridge associated with the first mobile terminal in step (a) using the authentication table of the WLAN authentication server. Provide a method and system for providing services.

According to the present invention, there is an effect that can use the mobile communication service in the plane by connecting the wireless LAN network and the mobile communication network.

Mobile Bridge, Mobile Network, Satellite Network, Wireless LAN, AAA, HA, HLR, SMS, MMS, VoIP

Description

Method and System for Providing Message Service in Airplane}

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

1 is a block diagram showing a system for providing a message service in an airplane cabin using a mobile communication network according to an embodiment of the present invention,

2 is a block diagram showing a system for providing a message service in an airplane cabin using a satellite communication network according to an embodiment of the present invention,

3 is an exemplary diagram illustrating an authentication table for registering with a WLAN authentication server;

4 is a flowchart illustrating a method of providing a message service in an airplane cabin according to a preferred embodiment of the present invention.

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

100: plane 105: first mobile communication terminal

110: mobile bridge 115: base station

120: mobile communication network 125: Internet

130: message server 135: HA

140: HLR 145: WLAN core network

150: wireless LAN authentication server 155: second mobile communication terminal

200: satellite 210: satellite data transceiver

220: satellite RF module

The present invention relates to a method and system for providing a message service on board an aircraft. More specifically, when a second mobile communication terminal requests a message to transmit a message to a first mobile communication terminal located in an airplane cabin, the message data to be transmitted is stored in a message server, and the wireless LAN authentication server is inquired. Message service in the plane that checks the wireless LAN authentication for the mobile communication terminal and notifies the authentication result to the message server, and transmits the message data to the mobile bridge associated with the first mobile communication terminal using the authentication table of the wireless LAN authentication server. It relates to a method and system for providing the same.

With the rapid development of computer, electronic and communication technologies, various wireless communication services using wireless networks have been provided. Initially, the wireless voice call service was mainly provided. However, as the wireless communication network has evolved from a voice service-oriented low-speed communication network to a data service-based high-speed communication network, short or multimedia message services and wireless internet services are being activated.

In addition, a WLAN (WLAN) service, which replaces a basic LAN (Local Area Network) service, is being commercialized, and the WLAN service is an asymmetric digital subscriber line (ADSL) or a very high data rate digital (VDSL). It installs a wireless access point (AP) at a subscriber network end such as a subscriber line), an E1, etc., and provides a wireless data service within a coverage of the AP. As described above, the WLAN may not only be connected to a wired network but also provide a communication service by interworking with a mobile communication network.

On the other hand, conventionally, when a mobile subscriber is located in an airplane cabin for movement, the use of the mobile communication terminal is prohibited in the plane so that radio frequency signals do not affect the navigation and measurement equipment of the plane itself. However, in recent years, the radio wave law has been revised to enable the use of wireless LAN frequencies in an airplane cabin, and there is a need for providing a service using the wireless LAN.

Therefore, the mobile communication frequency is not available in the plane, but the wireless LAN frequency is available, so the mobile communication service provider is urgently required to use the mobile communication service in the plane by linking the wireless LAN network and the mobile communication network. It is becoming.

In order to solve this problem, the present invention, when a second mobile communication terminal requests a message transmission to transmit a message to the first mobile communication terminal located in the plane, the message data to be transmitted is stored in the message server and the WLAN authentication server Confirming the WLAN authentication for the first mobile communication terminal and notifying the authentication result to the message server, and transmitting the message data to the mobile bridge associated with the first mobile communication terminal using the authentication table of the WLAN authentication server. An object of the present invention is to provide a method and system for providing a message service in an airplane cabin.

According to a first object of the present invention, a mobile communication network, a wireless LAN core network, an internet network, a message server, a home agent (HA), a home location register (HLR) and a wireless LAN authentication server (AAA: Authentication, Authorization, Accounting) Provides a message service to the first mobile communication terminal located in the plane by using a mobile bridge installed in the plane and transmitting and receiving data between the wireless LAN network and the mobile communication network. A method for transmitting a message, comprising: (a) receiving a message transmission request of a second mobile communication terminal and storing message data to be transmitted in the message server; (b) querying the WLAN authentication server to confirm WLAN authentication for the first mobile communication terminal and notifying the message server of an authentication result; And (c) transmitting the message data stored in the message server in the step (a) to the mobile bridge associated with the first mobile communication terminal using the authentication table of the WLAN authentication server. It provides a method of providing a message service in an airplane cabin.

According to a second object of the present invention, in a method for providing a message service to a first mobile communication terminal located in an airplane cabin, the second mobile communication is installed in the airplane cabin and transmits and receives data between a wireless LAN network and a mobile communication network. A mobile bridge receiving message data transmitted from a terminal through the mobile communication network and transmitting the message data to the first mobile communication terminal through a wireless LAN interface; It is connected to the mobile communication network via a WLAN core network, receives the service authentication request of the first mobile communication terminal, registers authentication information of the first mobile communication terminal in an authentication table, and A WLAN authentication server for querying the authentication table in response to a message transmission request, confirming WLAN authentication for the first mobile communication terminal, and providing an authentication result; Receives and stores the message data by receiving the message transmission request of the second mobile communication terminal, receives the authentication result from the WLAN authentication server, and stores the message data with the first mobile communication terminal using the authentication table. A message server for transmitting to the associated mobile bridge; And an HLR storing subscriber information of the mobile communication network and registering and receiving location information of the first mobile communication terminal from the WLAN authentication server. To provide.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, in describing the present invention, when it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

1 is a block diagram showing a system for providing a message service in an airplane cabin using a mobile communication network according to an embodiment of the present invention.

As shown in FIG. 1, a system for providing a message service in an airplane cabin using a mobile communication network according to a preferred embodiment of the present invention includes a first mobile communication terminal 105, a mobile bridge 110, a base station 115, Mobile communication network 120, Internet 125, message server 130, HA 135, HLR 140, WLAN core network 145, WLAN authentication server 150 and second mobile communication terminal 155 ) And the like.

The first mobile communication terminal 105 and the second mobile communication terminal 155 not only perform a telephone call in a wireless communication with the other party via the mobile communication network 120, but also use the information search function provided with the Internet 125. It is a terminal that can access and search for desired information. The first mobile communication terminal 105 is a terminal equipped with a WLAN network adapter (ie, a WLAN card) to transmit and receive a WLAN signal through the mobile bridge 110. When the first mobile communication terminal 105 is located in the airplane 100, the data is transmitted and received using the wireless LAN mode without using the mobile communication mode. The second mobile communication terminal 155 transmits a message through the mobile communication network 120 to the first mobile communication terminal 105 located on the ground and in the plane 100.

The first mobile communication terminal 105 and the second mobile communication terminal 155 are a personal digital assistant (PDA), a cellular phone, a personal communication service (PCS) phone, a hand-held PC (GSM), and a global system (GSM). It may include various wireless communication terminals such as for Mobile (WCDMA) phone, Wideband CDMA (WCDMA) phone, Code Division Multiple Access (CDMA) 2000 phone, and Mobile Broadband System (MBS) phone. Here, MBS phone refers to a mobile communication terminal to be used in the fourth generation system that is currently discussed.

The mobile bridge 110 transmits and receives data between the WLAN network and the mobile communication network 120 and is connected to the Internet 125 and the WLAN core network 145 through the mobile communication network 120. The mobile bridge 110 is installed in the plane 100 so as to provide a message service to the first mobile communication terminal 105, and transmits the message data transmitted from the second mobile communication terminal 155 to the mobile communication network 120. Received through and transmits to the first mobile communication terminal 105 through the wireless LAN interface.

Although not shown in a separate drawing, the mobile bridge 110 is a mobile communication modem that processes a mobile communication signal according to a mobile communication standard, and a wireless LAN access point (AP) to transmit and receive data with a first mobile communication terminal 105. The first wireless LAN card may operate as an access point, and the second wireless LAN card may serve as a bridge for relaying with a plurality of mobile bridges installed in another region. Accordingly, the mobile bridge 110 may support not only the connection through the mobile communication network 120 but also other mobile bridges located in other wireless LAN areas.

The base station 115 is a network endpoint device that directly transmits a signal received through the mobile communication network 120 and is directly connected to the mobile communication terminals 105 and 155. The mobile communication network 120 transmits and receives a radio signal and may include a base station controller, a mobile communication switching center, a DCN (Data Core Network), and the like. In addition, the mobile communication network 120 is a communication network capable of transmitting and receiving data in connection with other networks such as the Internet 125 and the WLAN core network 145, the mobile bridge 110 and the base station (installed in the plane 100) Via wireless connection.

The mobile communication network 120 includes an interim standard (IS) -95 network, a global system for mobile (GSM) network, a code division multiple access (CDMA) 2000 1X network, a CDMA2000 3X network, and a CDMA2000 EV-DO (Evolution-Data only) network. It may include a Wideband CDMA (WCDMA) network and a Wireless Broadband Internet (WiBro) network.

The message server 130 transmits a message of the second mobile communication terminal 155 to the first mobile communication terminal 105. The message data transmitted by the message server 130 may include a Short Message Service (SMS) message, a Multimedia Message Service (MMS), and Voice over Internet Protocol (VoIP) data. To this end, the message server 130 may perform an SMS transmission function, an MMS transmission function, a VoIP conversion function, and the like.

The message server 130 receives the message transmission request for the first mobile communication terminal 105 of the second mobile communication terminal 155, receives and stores the message data, and inquires the WLAN authentication server 150 to display the first message. The wireless LAN authentication for the mobile communication terminal 105 is confirmed and an authentication result for allowing a service is notified. After being notified of the authentication result, the message server 130 transmits the stored message data using the authentication table to the mobile bridge 110 associated with the first mobile communication terminal 105 (ie, the first mobile communication terminal in the plane 100). Mobile bridge connecting to 105). Here, the message server 130 may be a mobile phone identification number (for example, a mobile identification number (MIN), an international mobile station identity (IMSI)) or a VoIP-only destination number (for example, included in the authentication table described above for transmitting a message). For example, the message transmission to the first mobile communication terminal 105 may be performed using the VoIP 070 called number.

The HA 135 performs routing to track and connect to a location of an external packet data network such as the Internet 125. In addition, the HA 135 tracks the mobile IP for the mobile bridge 110 and performs tunneling for the mobile bridge 110.

The HLR 140 is a database that stores a service profile related to mobile subscriber information, and includes a terminal identification number, information on a mobile communication service type, location registration information, and the like. In addition, the HLR 140 receives the location information of the first mobile communication terminal 105 from the WLAN authentication server 150 to manage the location information of the first mobile communication terminal 105 using the wireless LAN. Register.

The WLAN core network 145 is a communication network for managing WLAN access points or mobile bridges. The WLAN core network 145 is connected to a WLAN authentication server 150 to be described later, and is connected to a mobile communication network 120 to transmit WLAN authentication information to a mobile communication network. 120 may be provided.

The WLAN authentication server 150 performs a function of identifying and authenticating a state of bandwidth, a service, etc. of a terminal subscribed to a WLAN service, and collecting data for billing and settlement. The WLAN authentication server 150 is connected to the mobile communication network 120 via the WLAN core network 145 and receives a service authentication request from the first mobile communication terminal 105 to the first mobile communication terminal 105. Register the authentication information on the authentication table. In addition, the wireless LAN authentication server 150 inquires the authentication table according to the message transmission request of the second mobile communication terminal 155 to confirm the wireless LAN authentication for the first mobile communication terminal 105 and provides an authentication result. . Here, the authentication table registered in the WLAN authentication server 150 will be described later with reference to FIG. 3.

The WLAN authentication server 150 may perform a WLAN authentication function by using a Remote Authentication Dial-In User Services (RADIUS) protocol. The RADIUS protocol is a protocol that authenticates external users by querying user IDs and passwords so that external users who access through dial-up networking can grant access to the requested system or service.

2 is a block diagram showing a system for providing a message service in an airplane cabin using a satellite communication network according to an embodiment of the present invention.

When the plane 100 is out of coverage of the area where the mobile communication network 120 is installed due to the movement of the plane 100, the satellite communication network because the mobile communication network 120 and the mobile bridge 110 cannot directly communicate wirelessly. Can be used.

As shown in FIG. 2, a system for providing a message service in an airplane cabin using a satellite communication network includes a satellite communication network and an airplane 100 including a satellite 200 and a satellite data transceiver 210 in addition to the components described above in FIG. 1. Installed in the cabin may be configured to include a satellite RF module 220 and the like connected to the mobile bridge 110. A description of the components that perform the same functions as the components of FIG. 1 will be omitted.

The satellite 200 serves as a repeater for relaying a radio signal between the mobile communication network 120 and the plane 100 on the ground, and the satellite data transceiver 210 is connected to the mobile communication network 120 and the satellite 200. Send and receive data. Here, since the satellite 200 relays a radio signal using a predetermined frequency band for satellite communication, the satellite data transceiver 210 converts the signal received from the mobile communication network 120 into a satellite communication frequency signal and transmits the signal. The signal received from the satellite 200 is converted into a signal of the frequency band used in the mobile communication network 120 and transmitted to the mobile communication network 120. The satellite RF module 220 converts the radio frequency signal received from the satellite 200 to the mobile bridge 110 by converting the frequency band signal of the mobile communication network 120, and transmits the signal received from the mobile bridge 110 to satellite communication. The signal is converted into a frequency signal and transmitted to the satellite 200.

Therefore, even when the plane 100 in which the mobile bridge 110 and the first mobile communication terminal 105 are located is out of coverage of the mobile communication network 120, the message data transmitted from the second mobile communication terminal 155 is moved. It is transmitted to the first mobile communication terminal 105 via the communication network 120 and the satellite communication network.

3 is an exemplary diagram illustrating an authentication table registered in a WLAN authentication server.

As shown in FIG. 3, an authentication table including WLAN subscriber authentication information is registered for each user in the WLAN authentication server 150. The authentication table may include a WLAN subscriber ID, a client IP address of a subscriber station, an IP address of a mobile bridge connected to the subscriber station via a wireless LAN, an identification number of the subscriber station, and the like. Therefore, if the authentication table is inquired, whether the terminal subscribes to the WLAN service, an IP address assigned to the terminal, location information of the terminal, etc. can be obtained.

Accordingly, when the wireless LAN authentication server 150 is checked in response to the message transmission request of the second mobile communication terminal 155 and the wireless LAN authentication is confirmed for the first mobile communication terminal 105, the first mobile communication terminal 105 is checked. IP address, terminal identification number (or VoIP dedicated called number), location information, and information about the mobile bridge 110 wirelessly connected to the first mobile communication terminal 105, and the like.

4 is a flowchart illustrating a method of providing a message service in an airplane cabin according to a preferred embodiment of the present invention.

The mobile bridge 110 and the first mobile communication terminal 105 are located in the plane 100 that is moving in the air. In order to provide a message service to the first mobile communication terminal 105, the authentication information for the first mobile communication terminal 105 is registered in advance in the authentication table of the WLAN authentication server 150 (S400). When a message is to be transmitted to the first mobile communication terminal 105, the second mobile communication terminal 155 transmits a message transmission request and message data to be transmitted through the mobile communication network 120. The mobile communication network 120 receives the message transmission request and stores the received message data in the message server 130 (S402).

Thereafter, in order to obtain whether the first mobile communication terminal 105 joins the WLAN and authentication information, the message server 130 queries the WLAN authentication server 150 via the WLAN core network 145. When the WLAN authentication for the first mobile communication terminal 105 is confirmed, the WLAN authentication server 150 displays the authentication result including the authentication confirmation and the authentication table information for the first mobile communication terminal 105. Notification is made to 130 (S404). The message server 130 notified of the authentication result uses the message data of the second mobile communication terminal 155 to the mobile bridge 110 (ie, the authentication table) associated with the first mobile communication terminal 105 using the authentication table information. The message data is transmitted to a mobile bridge currently registered as a mobile bridge serving the first mobile communication terminal 105 (S406). The mobile bridge 110 checks client IP information on the first mobile communication terminal 105 transmitted along with the message data and transmits the message data to the first mobile communication terminal 105 through the WLAN interface (S408). ).

On the other hand, when the plane 100 is out of coverage of the mobile communication network 120, the message data is transmitted via the mobile communication network 120 and the satellite communication network 130 in step S406 described above, the satellite installed in the plane 100 The RF module 220 receives the message data and delivers the message data to the mobile bridge 110.

The above description is merely illustrative of the present invention, and those skilled in the art to which the present invention pertains may various modifications without departing from the essential characteristics of the present invention. Accordingly, the embodiments disclosed herein are not intended to limit the present invention but to describe the present invention, and the spirit and scope of the present invention are not limited by these embodiments. It is intended that the scope of the invention be interpreted by the following claims, and that all descriptions within the scope equivalent thereto shall be construed as being included in the scope of the present invention.

As described above, according to the present invention, there is an effect that a mobile communication service using a WLAN interface can be used even in an airplane cabin where use of a mobile communication frequency is prohibited by linking a WLAN network and a mobile communication network.

In addition, even if the coverage of the mobile communication network due to the movement of the plane there is an effect that can provide a mobile communication service in a wider range via the satellite communication network.

Claims (14)

In-flight flight with the system including mobile communication network, wireless LAN core network, Internet network, message server, HA (Home Agent), HLR (Home Location Register) and wireless LAN authentication server (AAA: Authentication, Authorization, Accounting) In the method for providing a message service to the first mobile communication terminal located in the plane using a mobile bridge (Mobile Bridge) installed to transmit and receive data between a wireless LAN (Wireless LAN) network and a mobile communication network, (a) receiving a message transmission request of a second mobile communication terminal and storing message data to be transmitted in the message server; (b) querying the WLAN authentication server to confirm WLAN authentication for the first mobile communication terminal and notifying the message server of an authentication result; And (c) transmitting the message data stored in the message server in the step (a) to the mobile bridge associated with the first mobile communication terminal using the authentication table of the WLAN authentication server. How to provide a message service on an airplane cabin. The method of claim 1, wherein the method is (d) checking client IP information of the first mobile communication terminal transmitted to the mobile bridge and transmitting the message data to the first mobile communication terminal through a wireless LAN interface. How to provide a message service on an airplane cabin. The method of claim 1, wherein the method is And receiving the service authentication request of the first mobile communication terminal prior to the step (a), and registering the authentication information for the first mobile communication terminal with the wireless LAN authentication server. How to Provide Services. According to claim 1, wherein step (b), And notifying the HLR of the location information of the first mobile communication terminal. According to claim 1, wherein step (b), Tracing the mobile IP for the mobile bridge and performing tunneling for the mobile bridge in the HA. The method of claim 1, wherein step (c) comprises: The message data stored in the message server in the step (a) using the authentication table including a WLAN subscriber ID, a client IP address, a mobile bridge IP address, and a terminal identification number are associated with the first mobile communication terminal. A method for providing a message service on board an aircraft, characterized in that the transmission to the mobile bridge. It interworks with systems including mobile communication network, satellite communication network, wireless LAN core network, internet network, message server, home agent (HA), home location register (HLR) and wireless LAN authentication server (AAA: Authentication, Authorization, Accounting). A method of providing a message service to a first mobile communication terminal installed in an airplane using a mobile bridge installed in an airplane cabin and transmitting and receiving data between a wireless LAN network and a satellite communication network, (a) receiving the service authentication request of the first mobile communication terminal and registering authentication information for the first mobile communication terminal with the wireless LAN authentication server; (b) receiving a message transmission request of a second mobile communication terminal and storing message data to be transmitted in the message server; (c) querying the WLAN authentication server to confirm WLAN authentication for the first mobile communication terminal and notifying the message server of an authentication result; (d) transmitting the message data stored in the message server in the step (b) to the mobile bridge via the mobile communication network and the satellite communication network using the authentication table of the WLAN authentication server; And (e) checking the client IP information of the first mobile communication terminal transmitted to the mobile bridge and transmitting the message data to the first mobile communication terminal through a wireless LAN interface. How to provide a message service on board. delete In the system for providing a message service to the first mobile communication terminal located on the plane, Installed in an airplane cabin and transmitting and receiving data between a wireless LAN network and a mobile communication network, receiving message data transmitted from a second mobile communication terminal through the mobile communication network and transmitting the first mobile communication through a wireless LAN interface. A mobile bridge for transmitting to a terminal; It is connected to the mobile communication network via a WLAN core network, receives the service authentication request of the first mobile communication terminal, registers authentication information of the first mobile communication terminal in an authentication table, and A wireless LAN authentication server (AAA: Authentication, Authorization, Accounting) for checking the authentication table in response to a message transmission request to confirm wireless LAN authentication for the first mobile communication terminal and providing an authentication result; Receives and stores the message data by receiving the message transmission request of the second mobile communication terminal, receives the authentication result from the WLAN authentication server, and stores the message data with the first mobile communication terminal using the authentication table. A message server for transmitting to the associated mobile bridge; And A home location register (HLR) for storing subscriber information of the mobile communication network, receiving and registering location information about the first mobile communication terminal from the WLAN authentication server, And a home agent (HA) that tracks the mobile IP for the mobile bridge and performs tunneling with respect to the mobile bridge. The method of claim 9, wherein the mobile bridge, A mobile communication modem for processing a mobile communication signal; A first WLAN card operating as a WLAN access point; And And a second WLAN card acting as a bridge for relaying with other mobile bridges. The method of claim 9, wherein the authentication table, A system for providing a message service on board an aircraft, comprising a LAN subscriber ID, a client IP address, a mobile bridge IP address, and a terminal identification number. The method of claim 9, wherein the WLAN authentication server, A system that provides a message service on board an aircraft characterized by using a Remote Authentication Dial-In User Services (RADIUS) protocol. The method of claim 9, wherein the message data transmitted from the message server, A system for providing a message service on board an aircraft comprising at least one of a Short Message Service (SMS) message, a Multimedia Message Service (MMS) and Voice over Internet Protocol (VoIP) data. The method of claim 9, wherein the mobile bridge, A system for providing a message service in an airplane cabin, characterized in that connected to the mobile communication network via a satellite communication network.

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