Terminal state control system

a control system and terminal technology, applied in the field of network systems, can solve the problems of difficult to distinguish with ease, difficult to install many antennas in a narrow area, and difficult to install base stations of the imcs or the simple imcs described above only for the convenience of mobile telephone companies

Inactive Publication Date: 2008-08-07
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0015]Further, another object of the present invention is to provide a technique with which it becomes possible for a user to know whether his / her terminal allowed to use a specific base station exists in a cell of the specific base station. Further, another object of the present invention is to provide a technique with which a terminal can perform as much communication as possible using a specific base station at which the terminal is registered.
[0016]Further, another object of the present invention is to provide a technique with which, as to a certain terminal, it becomes possible to distinguish with ease between communication using a specific base station at which the terminal is registered, and communication using another base station.
[0046]Also, according to the present invention, it becomes possible for a user to know whether his / her terminal allowed to use a specific base station exists in a cell of the specific base station. Further, according to the present invention, it becomes possible to provide a technique with which a terminal can perform as much communication as possible using a specific base station at which the terminal is registered.
[0047]Also, according to the present invention, as to a certain terminal, it becomes possible to distinguish with ease between communication using a specific base station at which the terminal is registered, and communication using another base station.

Problems solved by technology

With the simple IMCS, however, when the proxy antenna emits a strong radio wave, there is a possibility that other terminals in the same area may be adversely affected due to radio wave interferences, so that it is impossible to install many antennas in a narrow area.
Therefore, it is of course impossible to install a base station of the IMCS or the simple IMCS described above only for the convenience of the mobile telephone companies.
Also, even if an individual inversely desires installation of a private-house-use (personal-use or home-use) base station, it is impossible to personally purchase and install the base station under the current circumstances from the viewpoints of cost and space.
Therefore, it is likely that the mobile telephone company requests him / her to bear the cost of the installation of the base station system in some manner.
In other words, when an individual introduces a base station, if another person existing in a range where it is possible to receive a ratio wave from the base station is allowed to use the base station, such a situation arises that when the individual tries to perform communication using the base station, the line of the base station is already busy because the other person is using it, and therefore the individual cannot perform communication.

Method used

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Examples

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first embodiment

Mode

[0183]In order to achieve the present invention by making modifications to the mobile telephone service system described above, problems described below needs to be solved.

[First Problem]

[0184]A private-household-use (personal-use or home-use) base station system according to the present invention needs to make a judgment as to whether the provision of a service should be allowed (OK or NG) for each terminal in units of cells (in units of base stations). In order to make such a judgment, a registration list (registration table), in which identifiers for distinguishing among base stations (base station IDs such as Cell-IDs or BTS numbers) and the identification information (IDs) of terminals that are allowed to use the base stations are registered, needs to be provided somewhere in the base station system. Also, it is required to solve the following problems concerning the registration table:

[0185]How to prescribe the existing place of the registration table on the network side a...

ninth operation example

[0321]Next, as a ninth operation example, an operation in the case where the terminal A moves from a cell for which it is registered to a cell for which it is not registered (for instance, in the case where the terminal A moves from the cell of the NBTS 1 to the cell of the BTS 21 in FIG. 27: 3> in FIG. 27) will be described.

[0322]FIGS. 33 and 34 are each a sequence diagram showing a ninth operation example. The procedure and processing in this ninth operation example are completely the same as those in the third operation example shown in FIGS. 20 and 21, so that the description thereof will be omitted.

tenth operation example

[0323]Next, as a tenth operation example, an operation in the case where the terminal B moves from a cell based on a conventional system structure to a cell in which only terminals other than the terminal B are registered (for instance, in the case where the terminal B moves from the cell of the BTS 21 to the cell of the NBTS 1 in FIG. 27A: 4> in FIG. 27A) will be described. FIG. 35 is a sequence diagram showing the tenth operation example. The tenth operation example corresponds to the fourth operation example.

[0324]As can be seen from FIG. 35, this tenth operation example differs from the seventh operation example (case of the terminal A) in that the terminal B is not registered for the NBTS 1. Like in the seventh operation example, the NRNC 4 acquires the IMSI of the terminal B by transmitting “IDENTITY REQUEST” to the terminal B and checks whether a pair of the IMSI and the cell ID of the NBTS 1 are registered in the registration table 6.

[0325]In this case, the terminal B is not...

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Abstract

When a terminal enters a cell of a personal-use base station (NBTS) arranged in a certain location area, the terminal receives a location area identifier having a number that is different from an identifier of the location area, and transmits a location updating request with the reception of the location area identifier as a trigger. On receiving the location updating request, a VLR or an NRNC having a registration table, in which the ID of the personal-use base station and the ID of a terminal allowed to use the personal-use base station are registered, judges whether the terminal issued the location updating request is the terminal allowed to use the personal-use base station by referring to the registration table. If the terminal issued the location updating request corresponds to the terminal allowed to use the personal-use base station, the terminal is placed under a status where it is capable of performing communication in the cell, and if not, the terminal is placed under a status where it is incapable of performing communication in the cell.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates to a network system that performs state control of a mobile terminal.[0003]2. Description of the Related Art[0004]In a mobile telephone service, there exists a region that is set as a service area in a map but is out of reach of a radio wave, that is, an area called “blind zone”. The blind zone exists because radio waves basically travel straight and therefore wireless radio waves from an entrance of a mobile telephone network called “wireless base station” do not reach a mobile terminal existing behind a building, inside a building, in a basement, or the like in usual cases.[0005]In order to eliminate such a blind zone, several new types of wireless base stations have been developed. For instance, there is a system called “optical base station”, where an optical line is laid down so as to extend from an existing base station to an area that becomes a blind zone because the area is too smal...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04Q7/20H04L12/701H04W8/06H04W12/06H04W36/00H04W36/10H04W40/34H04W48/02H04W48/20H04W60/00H04W60/04H04W84/16H04W92/12H04W92/14
CPCH04W8/06H04W36/10H04W48/02H04W92/14H04W84/105H04W84/16H04W92/12H04W60/04
Inventor HASHIMOTO, MASANORIMIYAZAKI, NAOTEZUKA, YASUOKUNIYOSHI, HIDEKAZU
Owner FUJITSU LTD
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