Location register, location registration system, and location registration method

• US 20020090945A1
• Filed: 01/10/2002
• Published: 07/11/2002
• Est. Priority Date: 01/11/2001
• Status: Active Grant

• Current Assignee: NTT Docomo Incorporated (Nippon Telegraph and Telephone Corporation)
• Original Assignee: NTT Docomo Incorporated (Nippon Telegraph and Telephone Corporation)
• Inventors: Sasada, Koji
• Granted Patent: US 6,978,135 B2
• Time in Patent Office: Days
• US Class Current: 455/435.1
• CPC Class Codes: H04W 60/02 by periodical registration
• CPC Class Codes: H04W 8/04 Registration at HLR or HSS [Home Subscriber Server]
• CPC Class Codes: H04W 8/06 Registration at serving network Location Register, VLR or user mobility server
• CPC Class Codes: H04W 8/12 between location registers or mobility servers
• 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 8/205 Transfer to or from user equipment or user record carrier
• CPC Class Codes: H04W 8/245 from a network towards a terminal

Abstract

A location registration system 10 comprises a mobile communication terminal 12 and a location register 14 for carrying out location registration of the mobile communication terminal 12. The location register 14 comprises a storage section 16 for storing the number of stays of the mobile communication terminal 12; a location registration period determination section 18 for determining a period of location registration of the mobile communication terminal 12 according to the number of stays of the mobile communication terminal 12 stored in the storage section 16; and a location registration control section 20 for transmitting the period of location registration determined by the location registration period determination section 18 to the mobile communication terminal 12, receiving location information of the mobile communication terminal 12 transmitted therefrom in response to the transmitted period of location registration, and carrying out location registration of the mobile communication terminal 12 according to the received location information.

Claims

1. A location register for carrying out location registration of a mobile communication terminal, said location register comprising:

first storage means for storing information concerning a movement status of said mobile communication terminal;

first determination means for determining a period of location registration of said mobile communication terminal according to said information concerning said movement status of said mobile communication terminal stored in said first storage means; and

first registration means for transmitting said period of location registration determined by said first determination means to said mobile communication terminal, receiving location information transmitted from said mobile communication terminal in response to said transmitted period of location registration, and carrying out location registration of said mobile communication terminal according to said received location information.

2. A location register according to claim 1, wherein said first determination means further determines an administrative time for location registration of said mobile communication terminal according to said information concerning said movement status of said mobile communication terminal stored in said first storage means;

and

wherein said first registration means carries out location registration of said mobile communication terminal within a range of said administrative time determined by said first determination means.

7. A location registration system comprising:

a mobile communication terminal; and

a location register for carrying out location registration of said mobile communication terminal;

wherein said location register is the location register according to one of claims 1.

3. A location register for carrying out location registration of a mobile communication terminal, said location register comprising:

second storage means for storing information concerning a frequency of incoming call to said mobile communication terminal;

second determination means for determining a period of location registration of said mobile communication terminal according to said information concerning said frequency of incoming call to said mobile communication terminal stored in said second storage means; and

second registration means for transmitting said period of location registration determined by said second determination means to said mobile communication terminal, receiving location information transmitted from said mobile communication terminal in response to said transmitted period of location registration, and carrying out location registration of said mobile communication terminal according to said received location information.

4. A location register according to claim 3, wherein said second determination means further determines an administrative time for location registration of said mobile communication terminal according to said information concerning said frequency of incoming call to said mobile communication terminal stored in said second storage means;

and

wherein said second registration means carries out location registration of said mobile communication terminal within a range of said administrative time determined by said second determination means.

8. A location registration system comprising:

a mobile communication terminal; and

a location register for carrying out location registration of said mobile communication terminal;

wherein said location register is the location register according to one of claims 3.

5. A location register for carrying out location registration of a mobile communication terminal, said location register comprising:

third storage means for storing information concerning a movement status of said mobile communication terminal and information concerning a frequency of incoming call to said mobile communication terminal;

third determination means for determining a period of location registration of said mobile communication terminal according to said in formation concerning said movement status of said mobile communication terminal and said information concerning said frequency of incoming call to said mobile communication terminal stored in said third storage means; and

third registration means for transmitting said period of location registration determined by said third determination means to said mobile communication terminal, receiving location information transmitted from said mobile communication terminal in response to said transmitted period of location registration, and carrying out location registration of said mobile communication terminal according to said received location information.

6. A location register according to claim 5, wherein said third determination means further determines an administrative time for location registration of said mobile communication terminal according to said information concerning said movement status of said mobile communication terminal and said information concerning said frequency of incoming call to said mobile communication terminal stored in said third storage means;

and

wherein said third registration means carries out location registration of said mobile communication terminal within a range of said administrative time determined by said third determination means.

9. A location registration system comprising:

a mobile communication terminal; and

a location register for carrying out location registration of said mobile communication terminal;

wherein said location register is the location register according to one of claims 5.

10. A location registration method for carrying out location registration of a mobile communication terminal, said location registration method comprising:

a first storage step of storing information concerning a movement status of said mobile communication terminal into storage means;

a first determination step of determining a period of location registration of said mobile communication terminal according to said information concerning said movement status of said mobile communication terminal stored in said first storage step;

a first transmission step of transmitting said period of location registration determined in said first determination step to said mobile communication terminal;

a first receiving step of receiving location information of said mobile communication terminal transmitted from said mobile communication terminal in response to said period of location registration transmitted in said first transmission step; and

a first registration step of carrying out location registration of said mobile communication terminal according to said location information received in said first receiving step.

11. A location registration method according to claim 10, wherein said first determination step further determines an administrative time for location registration of said mobile communication terminal according to said information concerning said movement status of said mobile communication terminal stored in said storage means;

and

wherein said first registration step carries out location registration of said mobile communication terminal within a range of said administrative time determined in said first determination step.

13. A location registration method according to claim 12, wherein said second determination step further determines an administrative time for location registration of said mobile communication terminal according to said information concerning said frequency of incoming call to said mobile communication terminal stored in said storage means;

and

wherein said second registration step carries out location registration of said mobile communication terminal within a range of said administrative time determined in said second determination step.

15. A location registration method according to claim 14, wherein said third determination step further determines an administrative time for location registration of said mobile communication terminal according to said information concerning said movement status of said mobile communication terminal and said information concerning said frequency of incoming call to said mobile communication terminal stored in said storage means;

and

wherein said third registration step carries out location registration of said mobile communication terminal within a range of said administrative time determined in said third determination step.

12. A location registration method for carrying out location registration of a mobile communication terminal, said location registration method comprising:

a second storage step of storing information concerning a frequency of incoming call to said mobile communication terminal into storage means;

a second determination step of determining a period of location registration of said mobile communication terminal according to said information concerning said frequency of incoming call to said mobile communication terminal stored in said storage means in said second storage step;

a second transmission step of transmitting said period of location registration determined in said second determination step to said mobile communication terminal;

a second receiving step of receiving location information of said mobile communication terminal transmitted from said mobile communication terminal in response to said period of location registration transmitted in said second transmission step; and

a second registration step of carrying out location registration of said mobile communication terminal according to said location information received in said second receiving step.

14. A location registration method for carrying out location registration of a mobile communication terminal, said location registration method comprising:

a third storage step of storing information concerning a movement status of said mobile communication terminal and information concerning a frequency of incoming call to said mobile communication terminal into storage means;

a third determination step of determining a period of location registration of said mobile communication terminal according to said information concerning said movement status of said mobile communication terminal and said information concerning said frequency of incoming call to said mobile communication terminal stored in said third storage step;

a third transmission step of transmitting said period of location registration determined in said third determination step to said mobile communication terminal;

a third receiving step of receiving location information of said mobile communication terminal transmitted from said mobile communication terminal in response to said period of location registration transmitted in said third transmission step; and

a third registration step of carrying out location registration of said mobile communication terminal according to said location information received in said third receiving step.