WO2004066558A1 - 所在管理プログラム、コンピュータ・プログラム及び記録媒体 - Google Patents
所在管理プログラム、コンピュータ・プログラム及び記録媒体 Download PDFInfo
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- WO2004066558A1 WO2004066558A1 PCT/JP2003/000692 JP0300692W WO2004066558A1 WO 2004066558 A1 WO2004066558 A1 WO 2004066558A1 JP 0300692 W JP0300692 W JP 0300692W WO 2004066558 A1 WO2004066558 A1 WO 2004066558A1
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- Prior art keywords
- location
- address information
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- computer
- information
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/60—Types of network addresses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/60—Types of network addresses
- H04L2101/69—Types of network addresses using geographic information, e.g. room number
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5084—Providing for device mobility
Definitions
- the present invention relates to a location management program, a computer program, and a recording medium for managing the location of a terminal information device, and particularly to a location management program for managing the location when a terminal information device connected via a network moves.
- the present invention relates to a program and a computer-readable recording medium on which such a program is recorded.
- mobile terminal information devices such as istants
- geographical information such as the facility name, floor, and room name of the place where the user is present must be provided in advance on the LAN to which the mobile terminal connects, and the mobile terminal obtains this information and notifies other computers at night. Managed the location of the mobile terminal. For example, see JP-A-8-314840 (paragraph numbers [0049] to [0052], FIG. 13).
- the location information obtained using GPS or the like indicates that the mobile terminal is, for example, a company network. It does not know where it belongs on a single network such as a network (for example, the name of a facility in a company, or the floor or room name of a facility).
- the present invention has been made in view of such a point, and a location management program, a computer program, and the like which can easily manage and notify the location (connection location name) on a network to which a moving mobile terminal belongs. And a recording medium on which such a program is recorded.
- a computer in order to solve the above problems, a computer is connected to a mobile terminal 20a from a mobile terminal 20a shown in FIG.
- Receiving means 11 for receiving the address information of the connection networks 30, 40, and 50, and stores the received address information and a connection place name table 12a in which the connection place names are described in association with the address information.
- the location determining means 12 determines the location information request request for notification of the location of the mobile terminal 20a.
- a location management program is provided that functions as a notification means 14 for notifying the connection location name of the mobile terminal 20a.
- the receiving means 11 receives the address information of the connection networks 30, 40, 50 to which the mobile terminal 20a is connected.
- the location determining means 12 refers to the received address information and the connection location name table 12a in which the connection location name is described in association with the address information, and determines the connection location name of the mobile terminal 20a. Determine.
- the notifying means 14 notifies the connection location name of the mobile terminal 20a determined by the location determining means 12 in response to a location information request request for requesting notification of the location of the mobile terminal 20a.
- FIG. 2 is a configuration diagram for explaining the first embodiment of the present invention.
- Figure 3 shows an example of the hardware configuration of the location management server.
- FIG. 4 is a communication sequence diagram illustrating the operation of the first exemplary embodiment.
- FIG. 5 is a diagram illustrating an example of a connection location name table.
- FIG. 6 is a diagram illustrating an example of the location management table.
- FIG. 7 is a flowchart illustrating a flow of a process performed by the location management server.
- FIG. 8 is a flowchart illustrating a flow of a process performed by the mobile terminal.
- FIG. 9 is an example of a terminal management table managed by a mobile terminal.
- FIG. 10 is a flowchart illustrating a flow of a process performed by the display terminal.
- FIG. 11 is a configuration diagram for explaining the second embodiment of the present invention.
- FIG. 12 is an example of a terminal management table managed by a mobile terminal.
- FIG. 13 is a communication sequence diagram illustrating the operation of the second embodiment.
- Figure 14 is an example of the HA management table.
- FIG. 15 is a flowchart illustrating a flow of a process performed by the location management server.
- FIG. 16 is a flowchart showing a flow of processing performed by the mobile terminal.
- FIG. 17 is a flowchart showing the flow of processing performed in the HA.
- FIG. 1 is a principle configuration diagram for explaining the principle of the present invention.
- the location management server 10 sends, via the network 60, address information of the connection networks 30, 40, 50 to which the mobile terminal 20a is currently connected from the mobile terminal 20a.
- Receiving means 11 for receiving, the received address information, and a connection that describes the connection location name such as "Head office 6th floor”, “External”, “First conference room”, etc.
- a location determining means 12 for determining the connection location name of the mobile terminal 20a by referring to the location name table 12a, and a location for managing the location of the mobile terminal 20a based on the determined connection location name.
- Management table for creating the management table 1 3 a
- the connection location of the mobile terminal 20a is referred to by referring to the location management table.
- a notification means 14 for notifying the history of the name or the connection place name.
- the mobile terminal 20a when the mobile terminal 20a starts up, moves to a different subnet, switches communication media, or performs an explicit connection operation to the network by the user, the mobile terminal 20a itself starts.
- the mobile terminal 20a receives the address information of the connection network 30, 40, 50 to which the mobile terminal 20a is currently connected.
- the address information is an IP address of a default gateway belonging to the connection network 30, 40, 50, or a MAC address of a wireless LAN access point. Thereafter, the mobile terminal 20a notifies the location management server 10 of the received address information.
- the location management server 10 passes the address information received by the receiving means 11 to the location determining means 12.
- the location determining means 12 refers to the received address information and the connection location name table 12a to determine the connection location name of the mobile terminal 20a. For example, in the connection place name table 12a, if "Head office 6th floor" is assigned as the connection place name corresponding to the IP address of the default gateway of the connection network 30, the location determination means 12 With reference to this, it is determined that the location of the mobile terminal 20a is "6th floor of the head office". Based on the connection location name determined in this way, the location management table creating means 13 creates a location management table 13a for managing the location of the mobile terminal 20a.
- a display terminal device (hereinafter, referred to as a display terminal) 70 connected to the location management server 10 requests a location information or a history of connection location names of the mobile terminal 20a.
- the notifying means 14 refers to the location management table 13 a and notifies the connection terminal or the history of the connection location of the mobile terminal 20 a to the display terminal 70. I do.
- the display terminal 70 displays on the screen 70a that the mobile terminal 20a exists on the "head office 6th floor".
- the address information of the connection network 30, 40, 50 to which the mobile terminal 20a is currently connected is notified to the location management server 10 and the address information is notified.
- the location of the mobile terminal 20a is determined and managed based on the mobile terminal 20a, and if there is a request from outside, the location of the mobile terminal 20a is notified. You can easily find out where you are in the network.
- FIG. 2 is a configuration diagram for explaining the first embodiment of the present invention.
- the figure shows a configuration in which a location management network 100 and a connection network 300, 400, 500 connected to a mobile terminal 200a are connected to a corporate wide area network 600. Is shown.
- the location management network 100 is composed of a router 101 connected to the wide area network 600, a location management server 110a, and a display terminal 120 displaying the location of the mobile terminal 200a. Be composed.
- the mobile terminal 200a can be equipped with a plurality of communication interfaces, and has a function of detecting activation / inactivation of each communication interface.
- connection network 33 00 00 is a network consisting of only the wired line LL AANN, and is a default network.
- DD HH CC PP ((DDyynnaammiicc HHoosstt CCoonnffiigguurraattiioonn) PPrroottooccooll)) server server server
- connection network 44 00 00 is connected to the Luluta 44 00 11 and the DD HH CC PP support — besides the Baba 44 00 22 or the wireless line LL AANN access. It is a nettower work containing spoilers 44 00 33 aa and 44 00 33 bb. .
- the connection network 55 00 00 is connected to a mobile phone using a mobile phone, etc.
- the mobile terminal such as PP PP PP ((PPooiinntt ttoo PPooiinntt PPrroottooccooll)).
- Connection network 33 00 00, 44 00 00, 55 000 00 is a fixed network site within the corporate enterprise. It is installed and installed. .
- the connection network 33 00 00 is "" Main office 66th floor ""
- the connection network 44 00 00 is installed at "" Main office 55th floor "”
- connection and connection network 55 00 00 is installed at "" Outside the company "”.
- the wireless network LL AANN of the connection network 44 00 00 00 The access point 403a is installed in the "first conference room”
- the wireless LAN access point 403b is installed in the "second conference room”.
- connection networks 300, 400, and 500 are connected to the wide area network 600 via routers 301, 401, and 501, and form one subnet each. Further, it has a function of notifying the IP addresses of the routers 301, 401, and 501.
- Figure 3 shows an example of the hardware configuration of the location management server.
- the location management server 110a is, for example, a PC (personal computer), and includes a CPU (Central Processing Unit) 111, a ROM (Read Only Memory) 112, a RAM (Random Access Memory) 113, and a HDD (Hard Disk Drive) 1 14, I / F (Interface) 115, bus 116, etc.
- a PC personal computer
- CPU Central Processing Unit
- ROM Read Only Memory
- RAM Random Access Memory
- HDD Hard Disk Drive
- I / F Interface
- the CPU l i controls each unit of the device according to the program stored in the HDD 114.
- the OM 112 stores the basic program data executed by the CPU 111.
- the RAMI 13 temporarily stores programs being executed by the CPU 111 and data being operated on.
- the HDD 114 stores programs executed by the CPU 111, such as the location management program of the present invention. Further, data such as a connection location name table in which connection location names are described in association with address information of the connection networks 300, 400, and 500, and a location management table for managing the location of the mobile terminal 200a are stored. .
- the IZF 115 executes a conversion process such as a data representation format so that data can be transmitted and received between the display terminal 120 and the router 101 existing on the location management network 100.
- the bus 116 interconnects the CPU 111, the ROM 112, the RAMI 13, the HDD 114, and the I / F 115, and enables data transfer between them.
- FIG. 4 is a communication sequence diagram illustrating the operation of the first exemplary embodiment.
- the mobile terminal 200a moves to a different subnet, such as when it starts up, or when it moves from the connection network 300 to the connection network 400 as shown in FIG. 2, switching the Z communication medium, or switching to an explicit network by the user.
- a connection operation or the like occurs, a currently available communication interface is detected, and request for address information is made to the available connection networks 300, 400, and 500.
- the address information is the IP address assigned to the mobile terminal 200a, the IP address of the default gateway of the connection network 300, 400, 500, and the MAC address of the wireless LAN access point 403a, 403b (S 1)
- connection networks 300, 400, and 500 respond to the request of the mobile terminal 200a and notify the mobile terminal 200a of the address information (S2).
- the mobile terminal 200a that has obtained the address information registers the obtained address information of the connection networks 300, 400, and 500 in the location management server 110a on the location management network 100 (S3).
- the location management server 110a refers to the connection location name table from the registered address information and determines the connection location names of the connection networks 300, 400, and 500 to which the mobile terminal 200a is currently connected.
- FIG. 5 is a diagram illustrating an example of a connection location name table.
- connection place name is described in the connection place name table in association with the address information of the connection networks 300, 400, and 500.
- the IP address of the default gateway of the connection network 300 installed on the 6th floor of the head office “192.168. 2.254” is “6th floor of the head office”
- the connection network 400 of the connection network 400 installed on the 5th floor of the head office is The default gateway IP address "19 2. 168. 2.252" has "MAC address of the 5th floor of the head office” and the MAC address of the wireless LAN access point 403a installed in the first conference room.
- connection name is described.
- the location management server 110a transmits the registered address information from the mobile terminal 200a. For example, if "192.168.2.2254" is found, referring to the connection location name table, the connection location name to which mobile terminal 200a is currently connected is "6th floor of head office". It is determined that there is. After that, the connection location name of the mobile terminal 200a is registered in the location management table.
- FIG. 6 is a diagram illustrating an example of the location management table.
- the location management table describes the terminal name for which the connection location name was determined and the connection location name.
- the connection location name of the terminal name "Terminal 1" is "6th floor of headquarters”
- the terminal name "Terminal 2" is "1st meeting room” on “5th floor of headquarters”
- the terminal name "Terminal 3" is "External”. If there are a plurality of mobile terminals 200a, the connection location name is described.
- the mobile terminal 200a moves from the connection network 300 to the connection network 400 as shown in Fig. 2, for example, the connection location name moves, the history of the connection location name is recorded in the location management table in Fig. 6. (S4).
- the location management server 110a refers to the location management table. Then, the connection location name or the history of the connection location name of the mobile terminal 200a is notified to the display terminal 120 (S6).
- the display terminal 120 displays the location of the mobile terminal 200a, for example, as in a screen 120a in FIG.
- FIG. 7 is a flowchart illustrating a flow of a process performed by the location management server.
- the I / F 115 Under the control of the CPU 111 of the location management server 110a, the I / F 115 receives address information from the mobile terminal 200a.
- the CPU 111 retrieves the connection place name table as shown in FIG. 5 stored in the HDD 114 and determines the connection place name from the received address information. Specifically, it converts the received address information into a connection location name.
- the CPU A location management table as shown in FIG. 6 for managing the location of 200a is created and stored in the HDD 114.
- the location management table is retrieved from the HDD 114 and updated. At this time, if there is a history of the connection place name, the history information may be updated.
- the I / F 115 receives a connection place name request from the display terminal 120 or a request for a history of connection place names.
- step S13 since the connection place name request or the history of the connection place name has been received, the CPU 111 extracts the location management table from the HDD 114, and the connection place name of the requested mobile terminal 200a, or The history is notified to the display terminal 120 via the IZF 115.
- FIG. 8 is a flowchart showing a flow of processing performed in the mobile terminal.
- the CPU (not shown) of the mobile terminal 200a is used when starting up or moving to a different subnet such as when moving from the connection network 300 to the connection network 400 as shown in FIG.
- a different subnet such as when moving from the connection network 300 to the connection network 400 as shown in FIG.
- the CPU receives address information from the available connection networks 300, 400, 500 via the interface.
- FIG. 9 is an example of a terminal management table managed by a mobile terminal.
- connection network 300, 400, 500 Your terminal name, IP address assigned from connection network 300, 400, 500, IP address of default gateway of connection network 300, 400, 500, and wireless LAN access point 403a for wireless LAN , 403b MAC address is described.
- the mobile terminal 200a registers the received address information in the location management server 110a. Specifically, in the example of the terminal management table in FIG. 9, the terminal name, the IP address of the default gateway, and the MAC address of the wireless LAN access point are registered.
- FIG. 10 is a flowchart illustrating a flow of a process performed by the display terminal.
- connection location name the current location (connection location name) or the history of the connection location name of a certain mobile terminal 200a
- the CPU of the display terminal 120 moves to the location management server 110a.
- the terminal 200a requests the connection place name or the history of the connection place name. For example, the terminal name of the mobile terminal 200 a whose location is to be known is input, and the connection location name of the mobile terminal 200 a is requested.
- connection place name or the history of the connection place name notified from the location management server 110a is sent to the interface (Not shown).
- the CPU displays the location of the mobile terminal 200a on the screen 120a based on the received connection location name or the history of the connection location name.
- the address information of the connection network 300, 400, 500 to which the mobile terminal 200a is currently connected is notified to the location management server 110a, and the address information is notified.
- the location of the mobile terminal 200a is managed based on the mobile terminal 200a, and if there is an external request, the location of the mobile terminal 200a is notified. You can easily find out where you are.
- FIG. 11 is a configuration diagram for explaining the second embodiment of the present invention.
- the same components as those in the first embodiment of the present invention described with reference to FIG. 2 are denoted by the same reference numerals, and description thereof will be omitted.
- the configuration of the second embodiment shown in FIG. 11 differs from the first embodiment in that it has a home network 700.
- the home network 700 is composed of a router 701 for connecting to the wide area network 600, and a home agent (hereinafter, referred to as HA) 710.
- Mopile IP is a protocol for managing IP addresses and automating the transfer of communication packets to the destination when a terminal moves between networks on the IP network.
- the HA 710 implements an agent function to execute address transfer, and the home address, which is a permanent IP address assigned to the moving mobile terminal 200 b, and the currently connected network 3 It manages two care-of addresses (Care of Address), which are IP addresses assigned from 00, 400, and 500. Unlike the first embodiment, the location management server 110b requests address information to the home address of the mobile terminal 200.
- the mobile terminal 200b has a mobile node function of Mopile IP, and when moving between networks, a new care-of address is sent to the home of the mobile terminal 200b. Register the address with the HA710 that recognizes the address, and use a tunneling technology to transfer a message from a communication partner that does not know the movement.
- FIG. 12 is an example of a terminal management table managed by a mobile terminal.
- the IP address of the default gateway of the wireless LAN and the MAC address of the wireless LAN access point 403 a and 403 b in the case of a wireless LAN are described.
- FIG. 13 is a communication sequence diagram illustrating the operation of the second embodiment.
- the mobile terminal 200b starts up, moves to a different subnet, or switches communication media, or when a user explicitly connects to the network, the currently available communication interface becomes available. And requests address information to the available connection networks 300, 400, 500. Addressless information Is the care-of address assigned to the mobile terminal 200b, the IP address of the default gateway of the connection network 300, 400, 500 or the MAC address of the wireless LAN access point 403a, 403b (S40).
- the connection networks 300, 400, and 500 notify the mobile terminal 200b of address information (S41).
- the mobile terminal 200b that has obtained the address information notifies the HA 710 of the care-of address and the home address, and the HA 710 responds to the mobile terminal 200b.
- FIG. 14 is an example of an HA management table.
- the home address and the care-of address of the notified mobile terminals 200b are registered (S42).
- the location management server 110b receives the request, The HA 710 requests the address information of the mobile terminal 200b (S44).
- the HA 710 refers to the management table shown in FIG. 14 and forwards the address information request to the mobile terminal 200b of the care-of address corresponding to the specified home address (S45), and the mobile terminal 200b transmits the request. Is received, and address information is notified to the HA 710 (S46).
- the HA 710 When receiving the address information from the mobile terminal 200b, the HA 710 transfers the address information to the location management server 110b (S47).
- the location management server 110b determines the connection location name from the received address information by referring to the connection location name table as shown in FIG. 5, and determines the location management table as shown in FIG. (S48). Thereafter, the location management server 11 Ob notifies the display terminal 120 of the connection location name or the history of the connection location name (S49).
- FIG. 15 is a flowchart illustrating a flow of a process performed by the location management server.
- the IZF 115 receives a request for a connection place name or a history of connection place names of the mobile terminal 200 b having a certain home address from the display terminal 120.
- the CPU 111 Upon receiving the request for the connection place name or the history of the connection place name, the CPU 111 makes an address information request to the specified home address via the IZF 115.
- the IZF 115 receives the address information transmitted from the mobile terminal 200b via the HA 710 at the I / F 115.
- the CPU 111 extracts the connection place name table as shown in FIG. 5 stored in the HDD 114, and determines the connection place name of the mobile terminal 200b from the received address information. Specifically, it converts the received address information into a connection location name.
- the CPU 111 creates a location management table as shown in FIG. 6 for managing the location of the mobile terminal 200 b based on the connection location name converted in step S 52, and stores the table in the HDD 114. Or, retrieve the location management table from the HDD 114 and update it. At this time, if there is a history of the connection place name, the history information may be described.
- the CPU 111 retrieves the location management table from the HDD 114, and notifies the display terminal 120 via the I / F 115 of the connection location name of the mobile terminal 200b requested or the history thereof.
- FIG. 16 is a flowchart illustrating a flow of a process performed by the mobile terminal.
- S60 Address information request The CPU (not shown) of the mobile terminal 200b is connected to the currently available interface at startup, when switching to a different subnet, when switching communication media, or when the user explicitly connects to the network. (Not shown), and requests address information to the available connection networks 300, 400, and 500.
- Address information is received from the available connection networks 300, 400, 500 via the interface.
- the CPU notifies the HA710 via the interface of the care-of address and the home address assigned from the connection networks 300, 400, and 500.
- the interface receives the address information request transmitted from the location management server 110b and transferred by the HA 710.
- the HA 710 Upon receiving the address information request, the HA 710 is notified of the address information of the connection networks 300, 400, 500 received in step S61.
- FIG. 17 is a flowchart illustrating a flow of a process performed by the HA.
- HA 710 receives a care-of address from mobile terminal 200 at a certain home address.
- a care-of address is assigned to the home address of the mobile terminal 200b, and a management table of the HA 710 as shown in FIG.
- the care-of address of the mobile terminal 20 Ob is updated to a new one.
- S72 Address information request received The address information request transmitted from the location management server 110b is received.
- step S72 When the address information request is received in step S72, the address information request is transferred to the mobile terminal 200b of the care-of address registered in step S71.
- the address information is received from the mobile terminal 200b.
- the address information is transferred to the location management server 110b.
- the HA 7 10 is used to proxyly receive and transfer address information request address information transmitted and received between the mobile terminal 200 b and the location management server 110 b.
- the mobile terminal 200b at the home address where the display terminal 120 is located is provided. Only when it is necessary to know the location of the server, the location management server 110 b can realize a server-driven system that requests address information from the mobile terminal 200 b.
- a program is provided that describes the processing contents of the functions that the location management servers 110a and 110b, the display terminal 120, and the mobile terminals 200a and 200b should have.
- the program describing the processing content can be recorded on a computer-readable recording medium.
- Computer-readable recording media include magnetic recording devices, optical disks, magneto-optical recording media, and semiconductor memories. Magnetic recording devices include hard disk drives (HDDs), flexible disks (FDs), and magnetic tapes.
- Optical discs include DVD (Digital Versatile Disc), DVD-RAM (Random Access Memory), CD-ROM (Compact Disc Read Only Memory), CD-R (Recordable) / RW
- MO Magneto-Optical
- the program can be stored in a storage device of a server computer, and the program can be transferred from the server computer to another computer via a network.
- the computer that executes the program stores, for example, the program recorded on the portable recording medium or the program transferred from the server computer in its own storage device. Then, the computer reads the program from its own storage device and executes processing according to the program. It should be noted that the computer can read the program directly from the portable recording medium and execute processing according to the program. Also, the computer can execute the processing according to the received program every time the program is transferred from the server computer.
- connection networks 300, 400, and 500 have been described as examples, but it is needless to say that the invention is not limited to these.
- a plurality of mobile terminals 200a and 200b can be managed.
- the mobile terminal based on the address information of the connection network sent from the mobile terminal, the mobile terminal refers to the connection location table in which the connection location name is described in association with the address information. Since a location management table for managing the location of mobile terminals is created, the location of mobile terminals can be easily managed. Also, when another computer on the network wants to know the location of a mobile terminal, it refers to the location management table in response to the received location information request and easily finds the connection location name of the mobile terminal. Notify by notice.
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Abstract
Description
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03815450A EP1587249A4 (en) | 2003-01-24 | 2003-01-24 | LOCATION MANAGEMENT PROGRAM, COMPUTER PROGRAM AND RECORDING MEDIUM |
PCT/JP2003/000692 WO2004066558A1 (ja) | 2003-01-24 | 2003-01-24 | 所在管理プログラム、コンピュータ・プログラム及び記録媒体 |
JP2004567146A JPWO2004066558A1 (ja) | 2003-01-24 | 2003-01-24 | 所在管理プログラム、コンピュータ・プログラム及び記録媒体 |
US11/072,149 US20050148345A1 (en) | 2003-01-24 | 2005-03-03 | Location management program, computer program, and storage medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2003/000692 WO2004066558A1 (ja) | 2003-01-24 | 2003-01-24 | 所在管理プログラム、コンピュータ・プログラム及び記録媒体 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/072,149 Continuation US20050148345A1 (en) | 2003-01-24 | 2005-03-03 | Location management program, computer program, and storage medium |
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WO2004066558A1 true WO2004066558A1 (ja) | 2004-08-05 |
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PCT/JP2003/000692 WO2004066558A1 (ja) | 2003-01-24 | 2003-01-24 | 所在管理プログラム、コンピュータ・プログラム及び記録媒体 |
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EP (1) | EP1587249A4 (ja) |
JP (1) | JPWO2004066558A1 (ja) |
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Cited By (2)
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JP2010079463A (ja) * | 2008-09-25 | 2010-04-08 | Nec Infrontia Corp | 医療情報提供システムおよび医療情報提供方法 |
JP2013200658A (ja) * | 2012-03-23 | 2013-10-03 | Nec Corp | 資産管理装置、資産管理方法、及びプログラム |
Families Citing this family (12)
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JPWO2004066558A1 (ja) | 2006-05-18 |
EP1587249A1 (en) | 2005-10-19 |
EP1587249A4 (en) | 2009-05-06 |
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