Location management program, computer program, and storage medium

• US 20050148345A1
• Filed: 03/03/2005
• Published: 07/07/2005
• Est. Priority Date: 01/24/2003
• Status: Abandoned Application

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Limited
• Inventors: Saito, Takeshi, Takekawa, Ikuo, Chikuma, Satoru, Onishi, Teruhiko, Kawai, Morihisa
• Application Number:
  US11/072,149
• Publication Number:
  US 20050148345A1
• Time in Patent Office: Days
• US Class Current: 455/456.300
• CPC Class Codes: H04W 8/10 between location register and external networks
• CPC Class Codes: H04W 8/18 Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
• CPC Class Codes: H04W 8/20 Transfer of user or subscriber data

Abstract

A technique is provided to facilitate the management and notification of visited location names indicating to which network each mobile terminal currently belongs. A reception means receives address information of a connection network that a mobile terminal is currently visiting. A location identification means identifies a visited location name of the mobile terminal with reference to the received address information, as well as to a visited location name table that stores the address information in association with the visited location name. Based on the identified visited location name, a location management table creation means creates a location management table for managing the location of the mobile terminal. In response to a location data request asking for the location of the mobile terminal, a notification means consults the location management table and thus sends the visited location name.

Claims

1. A location management program for managing the location of a data terminal device, the program causing a computer to function as:

reception means for receiving, from the data terminal device, address information of a connection network that the data terminal device is currently visiting;

location identification means for identifying a visited location name of the data terminal device with reference to the received address information and a visited location name table that stores the address information in association with the visited location name; and

notification means, responsive to a location data request asking for the location of the data terminal device, for sending the visited location name identified by said location identification means.

2. The location management program according to claim 1, wherein the address information is an IP address of a default gateway belonging to the visited connection network, or a MAC address of a wireless LAN access point.

3. The location management program according to claim 1, wherein:

the location management program causes the computer to further function as location management table creation means for creating a location management table for managing the location of the data terminal device, based on the identified visited location name;

the location management table contains history records of visited location names of the data terminal device; and

said notification means sends the history records in response to the location data request.

4. A location management program for managing the location of a data terminal device, the program causing a computer to function as:

first reception means for receiving a location data request asking for the location of the data terminal device;

address information requesting means for requesting a home agent managing home address of the data terminal device to provide address information of a connection network that the data terminal device is currently visiting;

second reception means for receiving the address information from the home agent;

location identification means for identifying a visited location name of the data terminal device with reference to the received address information and a visited location name table that stores the address information in association with the visited location name; and

notification means, responsive to a location data request asking for the location of the data terminal device, for sending the visited location name identified by said location identification means.

5. The location management program according to claim 4, wherein the address information is an IP address of a default gateway belonging to the visited connection network, or a MAC address of a wireless LAN access point.

6. The location management program according to claim 4, wherein:

the location management program causes the computer to further function as location management table creation means for creating a location management table for managing the location of the data terminal device, based on the identified visited location name;

the location management table contains history records of visited location names of the data terminal device; and

said notification means sends the history records in response to the location data request.

7. A computer program for use with a computer to send and receive information over a network, the computer program causing a computer to function as:

address information requesting means for requesting a currently visited connection network to provide address information thereof;

address information reception means for receiving the address information; and

notification means for sending the address information to another computer.

8. A computer program for use with a computer to send and receive information over a network, the computer program causing a computer to function as:

address information requesting means for requesting a currently visited connection network to provide address information thereof;

address information reception means for receiving the address information;

first notification means for sending a care-of address and home address of the computer itself to a home agent;

address information request reception means for receiving from the home agent an address information request asking for the address information; and

second notification means for sending the address information to the home agent in response to the address information request.

9. A computer-readable storage medium storing a program for a computer to manage the location of a data terminal device, the program causing the computer to function as:

reception means for receiving, from the data terminal device, address information of a connection network that the data terminal device is currently visiting;

location identification means for identifying a visited location name of the data terminal device with reference to the received address information and a visited location name table that stores the address information in association with the visited location name; and

notification means, responsive to a location data request asking for the location of the data terminal device, for sending the visited location name identified by said location identification means.

10. A computer-readable storage medium storing a program for a computer to manage the location of a data terminal device, the program causing the computer to function as:

first reception means for receiving a location data request asking for the location of the data terminal device;

address information requesting means for requesting a home agent managing home address of the data terminal device to provide address information of a connection network that the data terminal device is currently visiting;

second reception means for receiving the address information from the home agent;

location identification means for identifying a visited location name of the data terminal device with reference to the received address information and a visited location name table that stores the address information in association with the visited location name; and

notification means, responsive to a location data request asking for the location of the data terminal device, for sending the visited location name identified by said location identification means.

11. A computer-readable storage medium storing a program for a computer to send and receive information over a network, the program causing the computer to function as:

address information requesting means for requesting a currently visited connection network to provide address information thereof;

address information reception means for receiving the address information; and

notification means for sending the address information to another computer.

12. A computer-readable storage medium storing a program for a computer to send and receive information over a network, the program causing the computer to function as:

address information requesting means for requesting a currently visited connection network to provide address information thereof;

address information reception means for receiving the address information; and

first notification means for sending a care-of address and home address of the computer to a home agent;

address information request reception means for receiving from the home agent an address information request asking for the address information; and

second notification means for sending the address information to the home agent in response to the address information request.