JP3487813B2 - Mobile communication system, mobile communication relay device, and computer-readable storage medium - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication system for connecting a mobile communication network and the Internet, a mobile communication relay device used in this system, and a computer-readable storage medium used in this device. is there.

[0002]

2. Description of the Related Art A conventional connection between a mobile communication network and the Internet will be described with reference to FIG. In FIG. 6, the mobile device 9 receives an IP from the mobile communication network 5 through a series of calling procedures.
Receive payment of address. That is, the mobile communication network 5 receives the call request from the mobile device and receives the location register 10
The subscriber is inquired of and the IP address is paid out to the mobile device based on the answer. After that, the mobile communication network 5 receives the incoming call from the calling terminal 1 and
Incoming to. Mobile device 9 statically global IP
If the user has an address, it is not necessary to receive the IP address, and thus the IP address is not notified.

[0003]

However, there are the following problems in the conventional connection between the mobile communication network and the Internet. The first problem is that the transmitting terminal 1 cannot transmit data because the calling terminal 1 does not know the IP address of the other mobile device until the IP address is paid out to the mobile device. The second problem is that although a mobile device that statically has a global address can receive a call, the number of global IP addresses is limited.
It is difficult to allocate to all subscribers.

An object of the present invention is to make it possible to make an incoming call from the Internet to a mobile device that does not statically have a global IP address.

[0005]

In order to achieve the above object, a mobile communication system according to the present invention is provided with a mobile communication relay device having an IP address between a mobile communication network and the Internet. The relay device is an IP data sent from the calling terminal via the Internet.
Data, including the telephone number of the destination mobile device, and
Vinegar receives the IP data is the above IP address, after confirming the above-mentioned partner the mobile device based on the above telephone number, pool
Select one from the registered IP addresses and move to the other party
With the above phone number and withdrawal
Create a correspondence table with the specified IP address and pay the above
The issued IP address is notified to the partner mobile station via the mobile communication network, and the destination address of the received IP data is added.
And replace the address with the IP address given above
Delete the above telephone number from the IP data,
The dress was changed and the above telephone number was deleted. I
P data is transmitted to the partner mobile unit via the mobile communication network, and thereafter, I data is received based on the correspondence table.
The destination address of P data is the IP address issued above
Mobile device that is converted to IP address and is included in the IP data
Delete the telephone number of this and convert this destination address
Transfer the IP data from which the mobile phone number was deleted
It is characterized in that the information is transmitted to the motive through the mobile communication network .

[0006] the mobile communication relay apparatus according to the present invention is provided between the mobile communication network and the Internet, a mobile communication relay apparatus having the IP address, transmitted from the originating terminal via the Internet IP With data
It contains the telephone number of the other mobile device and the destination address is
Receiving means for receiving IP data which is the above IP address
And a confirmation means for confirming the partner mobile station based on the telephone number, and after this confirmation, the pooled IP address
Select one from the list and temporarily pay out to the other mobile device
Payment means, the above-mentioned telephone number and the above-mentioned IP address
Creating means to create a correspondence table with dresses, and the above payment
Notifying means for notifying the other party's mobile station of the issued IP address via the mobile communication network, and the received IP address.
Attach the destination address of the data to the IP address issued above
The replacement means for replacing and the received IP data
Delete the above telephone number, convert the above destination address and
A transmission means for transmitting the IP data, from which the telephone number has been deleted, to the partner mobile unit via the mobile communication network ;
Based on the correspondence table,
Convert the destination address to the IP address given above
And a conversion means . Also, according to the present invention,
In the dynamic communication relay device, a plurality of conversion means are provided.
One of them is selected according to the telephone number of the other party's mobile device.
It is characterized by being selected.

A computer-readable storage medium according to the present invention is IP data sent from a calling terminal via the Internet and stores a telephone number of a partner mobile device.
IP that contains and has a specific IP address as the destination address
The receiving procedure to receive the data, the confirmation procedure to confirm the other party's mobile device based on the above telephone number, and after this confirmation,
Select one from the pooled IP addresses
Withdrawal procedure to temporarily pay out to the mobile device and the above phone number
Create a correspondence table between the issue and the IP address issued above.
A creation procedure to be performed, notification means for notifying the partner mobile station of the issued IP address via the mobile communication network, and a destination address of the received IP data for the payment.
The replacement procedure to replace the IP address you have created,
Delete the above phone number from the received IP data,
The destination address was converted and the above telephone number was deleted.
Based on a transmission procedure for transmitting IP data to the partner mobile unit via the mobile communication network and the correspondence table,
Pay out the destination address of the IP data received thereafter
And a program for executing a conversion procedure for converting the IP address .

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. The mobile communication system according to the present embodiment is characterized in that an incoming call server is provided in the mobile network to enable an incoming IP call to a mobile device having no static IP address.

FIG. 1 is a block diagram showing a mobile communication system according to an embodiment of the present invention. In FIG. 1, the Internet 2 is constructed based on an IP having a global address, and is connected to a mobile communication network 5 through a mobile network gateway 3 as a mobile communication relay device according to the present invention. The mobile network gateway 3 has an incoming server 4 inside. Further, the transmitting terminal 1 is connected to the Internet 2. A plurality of base stations 6, 7, 8 are connected to the mobile communication network 5, and the mobile device 9 is connected to the mobile communication network 5 via any one of the base stations. In addition, the mobile communication network 5
The location register 10 which stores the position information of the mobile device 9 and the subscriber information is connected.

FIG. 2 shows a detailed structure of the mobile network gateway 3. The mobile network gateway 3 includes a router 11, and the incoming server 4 is connected to the router 11. Incoming server 4
Has a global address. A workstation may be used as the incoming server 4.

Next, the operation centered on the incoming call server 4 of FIG. 1 will be described using the data format shown in FIG. 3 and the sequence diagram shown in FIG. Calling terminal 1 is IP
When transmitting the IP data to the mobile device 9 having no address, first, the data is transmitted to the incoming server 4 having the global address via the Internet 2 in FIG. The data has the format of network → terminal in FIG. 3, the destination address (DA) of the IP header contains the address of the receiving server, and the sender address (SA) contains the address of the sender terminal 1. Also, the IP payload contains the telephone number of the partner mobile station 9 and user data.

Upon receiving the data, the incoming call server 4 inquires the location register 10 about the subscriber information and position information of the mobile device corresponding to the telephone number of the mobile device, and confirms the mobile device. If the answer can be received, the one selected from the pooled IP addresses is selected and temporarily paid out to the mobile device 9, and the correspondence table between the mobile phone number and the paid IP address is internally set. create. Next, the mobile device 9 is notified of the IP address assigned in. Next, the IP data from the calling terminal 1 is transferred to the mobile device 9 at.

After that, each time the incoming data shown in FIG. 3 arrives, the IP address assigned to the mobile device is searched from the above table as in, and the DA in the IP header is rewritten to the corresponding IP address and the mobile device moves. The mobile phone number is deleted and the data is transmitted to the mobile device 9 via the mobile communication network 5.

Further, since the data from the mobile device 9 to the originating terminal 1 is an IP datagram having the format of terminal → network of FIG. 3 and originally having correct DA and SA, the receiving server 4 like a. Send it as it is, without conversion.

As described above, according to the present embodiment, the IP header is replaced based on the telephone number of the partner mobile unit, so that the IP address of the mobile unit that does not have an IP address is also changed. You can make an incoming call. In addition, since the IP address is temporarily allocated only when receiving a call, it is possible to effectively use the limited global IP address.

Another embodiment of the present invention will be described. In this embodiment, the basic system configuration is as shown in FIG. 1, but the mobile network gateway and the incoming server are further devised. The structure is shown in FIG. In FIG. 5, when there is an incoming call from the Internet side, the primary router 20 transfers the data to the primary incoming call server 21. The primary call receiving server 21 selects any one of the plurality of secondary call receiving servers 22 based on, for example, the last digit of the mobile phone number and transfers the data. The conversion of the header is performed by the secondary server 22 and transferred to the mobile communication network 5 via the secondary router 23.

As described above, according to the present embodiment, the incoming call server is separated into the primary incoming call server 21 and the secondary incoming call server 22, and the load is distributed by the plurality of secondary incoming call servers 22. The effect of being able to respond is obtained.

Next, a computer-readable storage medium according to an embodiment of the present invention will be described. The processing based on the above-described operation of the mobile network gateway 3 as the mobile communication relay device is performed by the C in the mobile network gateway 3.
The storage medium that stores the program to be executed by the PU constitutes the computer-readable storage medium according to the present invention.

The storage medium is a magneto-optical disk,
An optical disk, a semiconductor memory, a magnetic recording medium or the like can be used, and these may be configured and used as a ROM, a RAM, a CD-ROM, a floppy (registered trademark) disk, a memory card or the like.

Further, this storage medium is a fixed amount such as a volatile memory such as a RAM in a computer system serving as a server or a client when a program is transmitted via a network such as the Internet or a communication line such as a telephone line. Those that hold time programs are also included.

The program may be transmitted from a computer system that stores the program in a storage device or the like to another computer system via a transmission medium or by a transmission wave in the transmission medium.
The transmission medium is a medium having a function of transmitting information, such as a network (communication network) such as the Internet or a communication line (communication line) such as a telephone line.

Further, the program may be for realizing a part of the functions described above. Further, it may be a so-called difference file (difference program) that can realize the above-mentioned functions in combination with a program already recorded in the computer system.

[0023]

According to the present invention, since the IP header is changed based on the telephone number of the partner mobile unit, IP data can be received even for mobile units that do not have an IP address. it can. Also, since the IP address is temporarily assigned only when receiving a call, there is a limited global IP address.
The address can be used effectively.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a mobile communication system according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a mobile network gateway of FIG.

FIG. 3 is a configuration diagram of IP packet data.

FIG. 4 is a sequence chart showing an operation.

FIG. 5 is a block diagram showing a configuration of a mobile network gateway according to another embodiment of the present invention.

FIG. 6 is a block diagram showing a configuration of a conventional mobile communication system.

[Explanation of symbols]

1 Calling terminal 2 Internet 3 Mobile network gateway 4 incoming server 5 Mobile communication network 6, 7, 8 base stations 9 mobile 10 location register

Claims (4)

(57) [Claims] 1. A mobile communication relay apparatus having an IP address is provided between a mobile communication network and the Internet, and the mobile communication relay apparatus is sent from a calling terminal via the Internet.
IP data that includes the telephone number of the partner mobile device and is addressed to
Receives IP data whose destination address is the above IP address
And, after confirming the above-mentioned partner the mobile device based on the above telephone number, select one from the IP address that is pooled above
Temporarily pay out to the other mobile device and call the above phone number
Create a correspondence table with the paid-out IP address,
The notified IP address is notified to the partner mobile device via the mobile communication network, and the received IP data is
Replace the destination address with the IP address issued above
In addition to deleting the above telephone number from the IP data,
Change destination address and delete the above telephone number
Transmitted IP data to the partner mobile unit via the mobile communication network, and thereafter received IP data based on the correspondence table.
Destination address of the above is converted to the IP address given above
In addition, the telephone of the other mobile device included in the IP data
Delete the number and convert this destination address
The IP data with the deleted phone number to the other mobile device
A mobile communication system, wherein the mobile communication system transmits via the mobile communication network . 2. A mobile communication relay device having an IP address, which is provided between a mobile communication network and the Internet, and is sent from a transmitting terminal via the Internet.
IP data that includes the telephone number of the partner mobile device and is addressed to
Receives IP data whose destination address is the above IP address
Receiving means, a confirming means for confirming the partner mobile station based on the telephone number, and after confirming, one from the pooled IP addresses
A payout method to select and temporarily pay out to the other mobile device
And the correspondence between the above-mentioned telephone number and the issued IP address.
A method of creating a cable and the IP address paid out above
And notifying means for notifying the correspondent mobile machine-less through the mobile communication network, the payout of the destination address of the IP data thus received
And the above-mentioned telephone number is deleted from the received IP data.
The destination address is converted and the above telephone number is deleted.
Based on the correspondence table and the transmitting means for transmitting the IP data to the partner mobile unit via the mobile communication network, and the IP data received thereafter.
The destination address of the above to the IP address given above
Mobile communication relay apparatus, wherein the conversion means, that the provided that. 3. The mobile communication relay apparatus according to claim 2 , wherein a plurality of the conversion means are provided, and one of the conversion means is selected according to a telephone number of the partner mobile station. 4. The IP data sent from the calling terminal via the Internet , which is the telephone number of the partner mobile station.
IP that contains and has a specific IP address as the destination address
A reception procedure for receiving data, a confirmation procedure for confirming the partner mobile station based on the telephone number, and after this confirmation, one of the pooled IP addresses
Payment procedure for selecting and temporarily paying to the other mobile device
And the correspondence between the above-mentioned telephone number and the issued IP address.
Procedure for creating a cable and the IP address paid out above
And notifying means for notifying the correspondent mobile machine-less through the mobile communication network, the payout of the destination address of the IP data thus received
The procedure for changing the IP address to the new one and deleting the above telephone number from the received IP data
The destination address is converted and the above telephone number is deleted.
IP data received thereafter based on the transmission procedure of transmitting the IP data to the partner mobile unit via the mobile communication network and the correspondence table.
The destination address of the above to the IP address given above
A computer-readable storage medium storing a conversion procedure and a program for executing the conversion procedure .