JP2000333236A - Mobile communication system and position information management method for mobile terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain position information of a designated mobile terminal. SOLUTION: A caption 4 in Figure indicates a radio base station contained in a mobile communication exchange network 1, a caption 7 is a radio area that is a range capable of performing mobile communication by the radio base station 4, and captions 6, 5 are mobile terminals that can display information from a mobile communication network. The mobile terminals 5, 6 transmit residence of them at a position in the radio area 7 via the radio base station 4 to the mobile communication exchange network 1. In the case a subscriber information management section 3 registers the information and the mobile terminal 5 registers it in advance to the mobile communication exchange network 1 that the mobile terminal 5 receives information about residence of the mobile terminal 6 in the same radio area 7 from the mobile communication exchange network 1 when the terminal 6 resides in the area 7, the mobile communication exchange network 1 refers to information in the subscriber information management section 3 via a mobile communication network exchange node 2 and informs the mobile terminal 5 via the radio base station 4 that the mobile terminal 6 is resident in the same radio area as that of the mobile terminal 5. The mobile terminal 5 displays the received information.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a mobile communication system and a method for managing location information of mobile terminals.

[0002]

2. Description of the Related Art A conventional method for managing location information of mobile terminals in a mobile communication system of this type will be described with reference to the drawings.

FIG. 4 shows an example of a conventional mobile communication system, in which (a) is a block diagram showing a radio telephone used in this system, and (b) is a base station which manages the radio telephone shown in (a). FIG. 5 is a flowchart showing a control procedure at the time of calling in the base station shown in FIG. 4 (b).

4 (a), 4 (b) and FIG. 5, a control method at the time of calling a base station in this conventional mobile communication system is disclosed in Japanese Patent Laid-Open Publication No. Hei 8-37685. As described above, in S50, the wireless control unit 127 of the base station 134 receives the call request from the wireless telephone 133. In S51, the management unit 132 of the base station 134 determines that the call request received by the wireless control unit 127 is
3 is determined. The destination is the wireless telephone 13
If not 3, the base station 134 performs the normal calling operation of S55.

In S52, when the destination is the wireless telephone 133, the management unit 132 of the base station 134
The destination wireless telephone 13 in the call request received from the third party
3 is compared with the ID of the wireless telephone 133 stored and held in the management unit 132 of the base station 134. I of the wireless telephone 133 stored and held by the management unit 132
If not, the base station 134 performs a normal calling operation.

In S53, when the request is a call request to the wireless telephone 133 managed by the management unit 132 of the base station 134, the control unit 130 of the base station 134 sends a call request to the public network 135. Sends an incoming call request to its area without issuing it.

At S54, a response is received from the destination wireless telephone 134. By the above operation, the same base station 134
A call between the wireless telephones 133 is realized.

[0008]

In this prior art, the base station determines whether or not a call is made between wireless telephones in the same base station, and determines that the call is a call between wireless telephones in the same station. In this case, the wireless base stations are connected to each other without going through the public network, so that the transmitting side is connected without knowing that the wireless telephone on the receiving side exists in the same base station. There is a problem. Another problem is that if one of the wireless telephones does not talk to the other party, it cannot be determined whether the other party is in the same wireless area.

[0009]

A mobile communication system according to the present invention includes a single radio base station in each of a plurality of radio areas, and each of the radio base stations includes a radio base station in a radio area managed by itself. Perform communication control of multiple mobile terminals,
A mobile communication switching network for connecting communication signals between the plurality of base stations and a fixed telephone communication switching network, wherein a plurality of mobile terminals in the plurality of wireless areas are located in the mobile communication switching network; Information is registered, and the designated mobile terminal registers in the same wireless area as the mobile terminal that requests notification that the mobile terminal specified in advance is registered in the same wireless area as the own mobile terminal. The mobile terminal has a subscriber information management means for transmitting the information when the information is received, and each of the plurality of mobile terminals has a display means for displaying the information transmitted from the subscriber information management means.

A mobile communication system according to the present invention includes one wireless base station in each of a plurality of wireless areas, and each of the wireless base stations includes a plurality of mobile terminals in a wireless area managed by the mobile base station. A mobile communication switching network for performing communication control and connecting communication signals between the plurality of base stations and the fixed telephone communication switching network, and each of the plurality of wireless base stations in the mobile communication switching network; A mobile communication network switching means for connecting and releasing the plurality of mobile terminals by connecting via a telephone line; and a plurality of base stations connected to the mobile communication network switching means for controlling communication, respectively. Registering means for registering the position information of each of a plurality of mobile terminals in the wireless area performing the wireless communication, and the first mobile terminal in the first wireless area and the first mobile terminal in the first wireless area. When new And second registration means for the second mobile terminal specified request notification are registered in association with the first mobile terminal, the first and the second mobile terminal
When the location registration to the wireless area is detected, the second registration means is searched, and if the mobile terminal matches and matches the second mobile terminal, the first mobile terminal is notified of the second registration.
Notification means for notifying that the mobile terminals have been registered in the same wireless area, and each of the plurality of mobile terminals has display means for displaying information notified from the notification means. ing.

A mobile communication system according to the present invention includes one wireless base station in each of a plurality of wireless areas, and each of the wireless base stations includes a plurality of mobile terminals in a wireless area managed by the mobile base station. A mobile communication switching network for performing communication control and connecting communication signals between the plurality of base stations and the fixed telephone communication switching network, and each of the plurality of wireless base stations in the mobile communication switching network; A mobile communication network switching node connected via a telephone line to perform call connection / release of the plurality of mobile terminals, and a plurality of mobile units connected to the mobile communication network switching node and in the plurality of wireless areas The location information of the terminal is registered, and the designated mobile terminal is requested to notify that the location of the mobile terminal specified in advance is registered in the same wireless area as the mobile terminal. area A subscriber information management unit for transmitting the information when registered, via the mobile communication network switching node, wherein each of the plurality of mobile terminals receives the information transmitted from the subscriber information management unit. Display means for displaying, wherein the subscriber information management unit is configured to register first position information of each of a plurality of mobile terminals in a wireless area in which each of the plurality of base stations controls communication. Registration means, and a designated second mobile terminal requested for notification when a new mobile terminal enters the first wireless area from a first mobile terminal within the first wireless area is transmitted to the first mobile terminal; Second registration means registered in association with the mobile terminal;
When the location registration of the mobile terminal in the first wireless area is detected, the second registration means is searched, and if the mobile terminal matches the second mobile terminal, the first mobile station is detected. Notification means for notifying the mobile terminal that the location of the second mobile terminal has been registered in the same wireless area.

According to the position information management method for a mobile terminal of the present invention, one radio base station is provided in each of a plurality of radio areas, and each of the base stations manages a plurality of mobile stations in a radio area managed by itself. A mobile communication switching network for controlling communication of mobile terminals and connecting communication signals between the plurality of base stations and the fixed telephone communication switching network; Registering the location information of the plurality of mobile terminals, and requesting the mobile terminal to request notification that the location of the previously specified mobile terminal is registered in the same wireless area as the mobile terminal. Is registered in the same wireless area as itself, transmits the information, and causes the requested mobile terminal to display the transmitted information.

According to the position information management method for a mobile terminal of the present invention, one radio base station is provided in each of a plurality of radio areas, and each of the radio base stations includes a plurality of radio base stations in a radio area managed by itself. A mobile communication switching network for controlling communication of mobile terminals and connecting communication signals between the plurality of base stations and a fixed telephone communication switching network, wherein the plurality of radio base stations are provided in the mobile communication switching network; A mobile communication network switching node connected to each of the stations via a telephone line to perform call connection / release of the plurality of mobile terminals, and a subscriber information management unit connected to the mobile communication network switching node. Wherein the subscriber information management unit registers, in a first registration unit, position information of each of a plurality of mobile terminals in a wireless area in which each of the plurality of base stations controls communication, and The first in the wireless area When the mobile terminal newly enters the first wireless area from the mobile terminal, the specified second mobile terminal requested by the notification is associated with the first mobile terminal and registered in the second registration means. Detecting the location registration of the second mobile terminal in the first wireless area,
The second mobile terminal is registered in the same wireless area with the first mobile terminal if the mobile terminal matches the second mobile terminal by searching the registration means of the second mobile terminal. Through the mobile network switching node,
The notified information is displayed on a display means for the first mobile terminal.

[0014]

Next, the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing an example of a mobile terminal system according to one embodiment of the present invention. FIG. 2 is a block diagram showing a case where one mobile terminal moves to another wireless area in this embodiment. FIG. 3 is a flowchart illustrating the mobile terminal management method according to the present embodiment.

In FIG. 1, the mobile communication system according to the present embodiment is connected to a plurality of radio base stations and a telephone switching network via a telephone line in a mobile communication switching network 1 to establish and release a call for mobile communication. And a subscriber information management unit 3 for storing and managing location information and subscriber information of mobile terminals connected to the mobile communication network switching node 2. Mobile terminals 5 and 6 capable of displaying information notified from the mobile communication switching node 2 are provided in the wireless area 7 of the wireless base station 4 connected to the communication network switching node 2 via the telephone line 11. It has and is constituted.

Next, a notification operation of a mobile terminal existing in the same wireless area will be described with reference to FIG.

In FIG. 2, a mobile communication switching network (switching network) 1 has a mobile communication network switching node (switching node) 2 for performing call connection / release of mobile communication. A subscriber information management unit 3 that manages location information and subscriber information of a subscribing mobile terminal and can notify the information is connected. In the present embodiment, the radio base stations accommodated in the communication network 1 via the telephone lines 11 and 12 are 4 and 8, respectively, and the mobile communicable range of the radio base station 4 is a radio area 7 and a radio base station. The mobile communication range of 8 is a wireless area 9, and mobile terminals 5 and 6 capable of displaying information notified from the switching network 1 are 5 and 6. When the mobile terminals 5 and 6 move to a position where the wireless area changes, the mobile terminals 5 and 6 transmit positional information of the moved area to the switching network 1 via the wireless base stations 4 and 5 and register the information in the subscriber information management unit 3. Update location information. The mobile terminal 5 registers in advance in the subscriber information management unit 3 so as to notify the mobile terminal 5 when the mobile terminal 6 exists in the same wireless area as the mobile terminal 5. The mobile terminal 5 converts the position information existing in the wireless area 7 into the wireless base station 4 and the telephone line 1 by a known technique.
1 to the switching network 1. The subscriber information management unit 3 registers the information. Similarly, the terminal 6 transmits the position information existing in the wireless area 9 to the wireless base station 8 and the telephone line 12.
To the switching network 1 via the network, and the subscriber information management unit 3 registers the information.

Here, when the mobile terminal 6 moves from the wireless area 9 to the wireless area 9, the position information changed from the wireless area 9 to the wireless area 9 is exchanged via the wireless base station 4 by using a known technique. The location information of the mobile terminal 6 transmitted to the network 1 and registered in the subscriber information management unit 3 is changed. At this time,
The subscriber information management unit 3 recognizes that the mobile terminals 5 and 6 coexist in the wireless area 7 based on the information stored and managed. Then, the subscriber information management unit 3 transmits information to the mobile terminal 5 that the mobile terminal 6 exists in the same area.
The transmitted information is notified to the mobile terminal 5 via the switching node 2 and the radio base station 4 using a known technique, and the mobile terminal 5 displays the information.

When the mobile terminals 5 and 6 are both located in the area 7 and the location information is registered in the subscriber information management unit 3, the mobile terminal 6 is located in the same area as the mobile terminal 5. When the switching node 1 sends a query to the switching network 1 to determine whether the mobile terminals 5 and 6 are in the same area, the switching node 1 refers to the location information of the mobile terminals 5 and 6 stored in the subscriber information management unit 3. Is returned to the mobile terminal 5 via the switching node 2 and the radio base station 4, and the mobile terminal 5 displays the information.

The mobile communication network switching nodes 2 and the radio base stations 4 and 8 in the mobile communication switching network 1 shown in FIG. 2 are well known to the parties concerned and are not directly related to the present invention. Detailed configuration is omitted. In the above-described embodiment, the number of mobile terminals 6 is not limited to one, and a plurality of mobile terminals to be notified when the area becomes the same can be registered.
In addition, the area to be registered is not limited to the same area, and may be adjacent areas.

Next, a method of notifying a mobile unit within the same wireless area by the mobile terminal location information management method according to the present embodiment will be described with reference to FIG. 2 and FIG.

The mobile terminal 5 in the wireless area 7 registers its position in the subscriber information management 3 via the wireless base station 4, and the mobile terminal 6 exists in the wireless area 7 in the same wireless area. In such a case, registration is made in advance so as to notify the mobile terminal 5.

In this state, when the mobile terminal 6 performs location registration when the mobile terminal 6 moves from the wireless area 9 to the wireless area 7, the switching mode 2 via the wireless base station 4 is performed.
Transmits the received location information of the mobile terminal 6 to the subscriber information management unit 3 (S1), and stores and registers the location information of the mobile terminal 6 in the subscriber information management unit 3 (S2).

Next, the subscriber information management unit 3
Is located in the same wireless area, a search is performed to determine whether or not the mobile terminal is to be notified of the existence (S
3). Further, it searches whether or not the mobile terminal of the other party notifying the presence of the mobile terminal 6 exists in the same wireless area 7 (S4).

If the mobile terminals 5 and 6 are both in the same wireless area, the presence information is stored in the subscriber information management unit 3.
To the switching node 2 from the server (S5). Next, the switching node 2 transmits the received presence information to the mobile terminal 5 that has registered the notification request via the wireless base station 4 (S6).

When the mobile terminal 6 receives the information present in the same wireless area 7, the mobile terminal 5 displays the information on a display unit (not shown) (S7).

When the subscriber information management unit 3 collates the position information of the mobile terminal 6, when the mobile terminal 6 is not a target terminal to be notified when another terminal enters the same area (S3). Alternatively, when the mobile terminal 5 does not exist in the wireless area 7, that is, when the mobile terminals 5 and 6 do not exist in the same area (S4), the mobile terminal 5 Does not transmit location information. (S8) As described above, in the present embodiment, if the mobile terminal 6 that the mobile terminal 5 wants to be notified of when coming to the same wireless area 7 is registered in the subscriber information management unit 3 in advance, The mobile terminal 6 is located in the wireless area 7 of the mobile terminal 5 which may be present.
When the mobile terminal has moved, the mobile terminal 5 can know that the mobile terminal 6 exists in the same wireless area 7 even if the mobile terminal 6 does not call the 5 and talk.

[0029]

As described above, according to the present invention, one radio base station is provided in each of a plurality of radio areas, and each radio base station has a plurality of mobile terminals in a radio area managed by itself. A mobile communication switching network for performing communication control of a plurality of base stations and connecting communication signals with a fixed telephone communication switching network, and a plurality of mobiles in a plurality of wireless areas in the mobile communication switching network. The location information of the terminal is registered, and the designated mobile terminal is requested to notify that the mobile terminal specified in advance is registered in the same wireless area as its own mobile terminal. By having subscriber information management means for transmitting the information when registered in, each of the plurality of mobile terminals has a display means for displaying the information transmitted from the subscriber information management means,
There is an effect that it is possible to know that the specified mobile terminal is in the same wireless area without calling the specified mobile terminal.

[Brief description of the drawings]

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

FIG. 2 is a block diagram showing a case where one mobile terminal according to the present embodiment moves to another wireless area.

FIG. 3 is a flowchart illustrating a mobile terminal management method according to the present embodiment.

FIG. 4 shows an example of a conventional mobile communication system;
(A) is a block diagram showing a wireless telephone used in this system, and (b) is a block diagram showing a base station which manages the wireless telephone shown in (a).

FIG. 5 is a flowchart showing a control procedure at the time of calling in the base station shown in FIG. 4 (b).

[Explanation of symbols]

 Reference Signs List 1 mobile communication switching network (switching network) 2 mobile communication network switching node (switching node) 3 subscriber information management unit 4,8 radio base station 5,6 mobile terminal 7,9 radio area 11,12 telephone line

Claims (6)

[Claims] A wireless base station is provided in each of a plurality of wireless areas, and each of the wireless base stations controls communication of a plurality of mobile terminals in a wireless area managed by the wireless base station. A mobile communication switching network for connecting communication signals between base stations and a fixed telephone communication switching network, wherein position information of a plurality of mobile terminals in the plurality of wireless areas is provided in the mobile communication switching network. The specified mobile terminal is registered in the same wireless area as the mobile terminal that requests registration and notifies that the mobile terminal is registered in the same wireless area as the own mobile terminal. And a subscriber information management means for transmitting the information, and each of the plurality of mobile terminals has a display means for displaying information transmitted from the subscriber information management means. Cis Beam. 2. A wireless base station provided in each of a plurality of wireless areas, wherein each of the wireless base stations controls communication of a plurality of mobile terminals in a wireless area managed by the wireless base station. A mobile communication switching network for connecting communication signals between base stations and a fixed telephone communication switching network, wherein each of the plurality of radio base stations is connected to the mobile communication switching network via a telephone line. Mobile communication network switching means for performing call connection / release of the plurality of mobile terminals, and a wireless communication area connected to the mobile communication network switching means for controlling communication between the plurality of base stations. First registration means for registering the position information of each of the plurality of mobile terminals, and when the mobile terminal newly enters the first wireless area from the first mobile terminal in the first wireless area. Request the notification specified Second registration means for registering the mobile terminal in association with the first mobile terminal, and detecting the second registration when the location registration of the second mobile terminal in the first wireless area is detected. The second mobile terminal is registered in the same wireless area with the first mobile terminal if the mobile terminal matches the second mobile terminal by searching the registration means of the second mobile terminal. Notification means for notifying the mobile terminal, and each of the plurality of mobile terminals has display means for displaying information notified from the notification means. 3. A wireless base station provided in each of a plurality of wireless areas, wherein each wireless base station controls communication of a plurality of mobile terminals in a wireless area managed by the wireless base station. A mobile communication switching network for connecting communication signals between base stations and a fixed telephone communication switching network, wherein each of the plurality of radio base stations is connected to the mobile communication switching network via a telephone line. A mobile communication network switching node for performing call connection / release of the plurality of mobile terminals, and location information of a plurality of mobile terminals in the plurality of wireless areas connected to the mobile communication network switching node. When the designated mobile terminal is registered in the same wireless area as the mobile terminal that requests notification that the location of the previously designated mobile terminal is registered in the same wireless area as the own mobile terminal, Information A subscriber information management unit for transmitting via a mobile communication network switching node, wherein each of the plurality of mobile terminals has display means for displaying information transmitted from the subscriber information management unit. Mobile communication system. 4. The subscriber information management unit is configured to register first position information of a plurality of mobile terminals in a wireless area in which each of the plurality of base stations controls communication.
Registration means, and a designated second mobile terminal requested for notification when newly entering the first wireless area from the first mobile terminal in the first wireless area is the first mobile terminal.
A second registration unit that is registered in association with the mobile terminal, and a second registration unit that searches for the second registration unit when the location registration of the second mobile terminal in the first wireless area is detected. Notifying means for notifying the first mobile terminal that the second mobile terminal has been registered in the same wireless area if the mobile terminal matches and matches the second mobile terminal. The mobile communication system according to claim 3, comprising: 5. A wireless base station provided in each of a plurality of wireless areas, wherein each of the base stations performs communication control of a plurality of mobile terminals in a wireless area managed by the base station, and A mobile communication switching network for connecting communication signals between base stations and a fixed telephone communication switching network; and registering position information of a plurality of mobile terminals in the plurality of wireless areas in the mobile communication switching network. When the specified mobile terminal is registered in the same wireless area as the mobile terminal that requests notification that the location of the previously specified mobile terminal is registered in the same wireless area as the own mobile terminal. Transmitting the information and causing the requesting mobile terminal to display the transmitted information on a display means. 6. A wireless base station provided in each of a plurality of wireless areas, wherein each of the wireless base stations controls communication of a plurality of mobile terminals in a wireless area managed by the wireless base station. A mobile communication switching network for connecting communication signals between base stations and a fixed telephone communication switching network, wherein each of the plurality of radio base stations is connected to the mobile communication switching network via a telephone line. A mobile communication network switching node for performing call connection / release of the plurality of mobile terminals, and a subscriber information management unit connected to the mobile communication network switching node. The position information of each of the plurality of mobile terminals in the wireless area in which the plurality of base stations are performing communication control is registered in the first registration means, and
When a new mobile terminal enters the first wireless area from the first mobile terminal in the wireless area, the specified second mobile terminal requested by the notification is associated with the first mobile terminal. And registering the second mobile terminal with the second mobile terminal, and when the location registration of the second mobile terminal in the first wireless area is detected, the second mobile terminal is searched and collated with the second mobile terminal. Notifying the first mobile terminal via the mobile communication network switching node that the second mobile terminal has been registered in the same wireless area as the matching mobile terminal, A position information management method for a mobile terminal, wherein the notified information is displayed on a display means for the first mobile terminal.