JP2882440B2 - Location register control method for mobile communication network - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication network for efficiently realizing personal communication that enables a subscriber to make and receive calls from an arbitrary mobile device in any of a plurality of mobile communication networks. And a location register control method.

[0002]

2. Description of the Related Art When mobile communication networks of a plurality of companies are provided in the same area or different areas, part 1
It would be very convenient if a subscriber subscribing to one mobile communication network could make and receive calls in another mobile communication network. From such a point, a method as shown in FIG. 5 has been conventionally proposed. That subscriber subscribes to, for example, company A mobile communications network 1 _1, a mobile communication network 1 ₁ to the subscriber home network, the subscriber home memory 2 ₁ of the mobile communication network 1 _1, incoming to a mobile station Doing incoming registered to, the mobile unit has subscribed, for example, the subscriber location register 3 ₂ in B's mobile communication network 1 ₂ (mobile home network) subscriber data of the subscriber to transfer from the subscriber location register 3 ₁ of the subscriber's home network. The respective mobile communication networks, for example, 1 to ₂ information indicating an area (mesh) to which it is serving each mobile station that the network and the mobile home network are stored in the mobile unit location register 4 ₂ .

[0003] When there is an incoming call to the subscriber, first, the subscriber home network of the subscriber's home memory 2 ₁ from the subscriber to know the mobile station is coming registration, the mobile device home network from the mobile station, For example, if you know 1 ₂ and the mobile home network 1
With knowing the located area of the mobile station ₂ from the mobile station location register 4 ₂ reads the subscriber data of the subscriber from the subscriber location register 3 ₂ in that mobile device home network 1 _2, the incoming registration and this visited network of the mobile equipment number mobile machine knows the, for example, sent to the mobile communication network 1 _3,
Referring to the subscriber data switching center of the mobile communication network 1 ₃ receives, makes a call to the incoming registered mobile device 5 from the base station of the mobile communication network 1 in _3.

[0004]

According to the proposed system, each time a call is received, the subscriber subscribes to the network in which the mobile station is located from the home network of the mobile station with which the subscriber is registered. To transfer the subscriber's data, the line connection time and the data transfer take time, connection delay increases,
In addition, there is a problem that the line is wasted.

[0005]

SUMMARY OF THE INVENTION Mobile communication according to the present invention
The network location register control method is based on the location information of the mobile device.
Report, mobile device data for each mobile device, and
Remembers all registered subscribers and
Has a means of knowing subscribers who have registered incoming calls to other mobile devices
A mobile location register and subscriber data for each subscriber
And a subscriber location register that stores data
Is provided for each mobile communication network, and the mobile device moves to another mobile communication network.
Mobile location register of the destination mobile communication network
Registering the location of the mobile device in the
The network determines the home mobile communication network of the mobile device from the mobile device number.
Know, the mobile location register of the home mobile communication network
Location information and mobile device data of the destination mobile communication network
And know the mobile communication network before moving,
Mobile station location register of mobile communication network before moving
All subscribers who have registered incoming calls to the mobile device.
Subscriber location of the home mobile communication network of all the subscribers.
Information of the subscriber in the registration register and the destination
Subscriber data in the subscriber location register of the communication network
And when there is an incoming call on the home mobile communication network , the home
From the subscriber location register of the
This is a method of knowing the mobile communication network where the subscriber is located.

[0006]

When there is an incoming call in the mobile communication network after the location registration, the subscriber in the subscriber location register in the mobile communication network is transferred without transferring the subscriber data of the subscriber from the home network of the mobile station. The subscriber data can be read and the incoming call can be processed for the subscriber.

[0007]

FIG. 1A shows an embodiment of the present invention.
1 shows a mobile communication network. Mobile communication network 1 ₁, 1_Two, 1_Three, 1_Four
Is provided, and the mobile communication network 1₁Base station 6₁, 6_Two
Are provided, and these base stations 6₁, 6_TwoIs exchange 7₁, 7
_TwoConnected to each other. Mobile communication network 1₁~ 1_FourTo
Is the mobile station location where each mobile station data is stored
Register 4₁~ 4_FourIs provided.

In the present invention, each of the mobile communication networks ₁₁ to 1
₄ stores subscriber data respectively to the subscriber location register 8 _{1-8 4} provided. The mobile unit location register ₄₁ to ₄ also stores subscriber is coming registered not only stores area information of the mobile device, also the subscribers that have registered to call for each mobile station Provide a means to know. Mobile memory 9 the mobile station location register ₄₁ to ₄ stores mobile data as shown in FIG. 1B for example, and a control unit 10 and the signal unit 11 for controlling each part. As means for knowing the subscriber, in the mobile station location register, the home network of the mobile station is known from the mobile station number, the network in which the mobile station is located from the home memory of the mobile station, and the mobile station location of the visited network. From the register, the subscriber who has registered the incoming call to the mobile device is known.

Next, an example of the operation of the present invention will be described with reference to FIG. 2 showing a control procedure of the control device 10 and FIG. 3 showing a sequence for performing position registration. The mobile device 5 which has subscribed to the mobile communication network 1 ₃ as an example the case of moving (roaming) the mobile communication network 1 ₁ from the mobile communication network 1 ₂ In FIG 1A. Mobile location register of the mobile communication network 1 ₃ 4
₃ is assumed to mobile data concerning the mobile station 5 is constantly stored. The subscriber is coming registered to the mobile station 5's 12 Yes subscribed to the mobile communication network 1 _4, the subscriber of the mobile communication network 1 in ₄ people location register 8 ₄ Assume that subscriber data for subscriber 12 is constantly stored. First, an example of a location registration procedure during roaming (moving) of a mobile device in a mobile communication network to which the present invention is applied will be described with reference to FIGS.

[0010] In FIG. 1A, a mobile station 5 is a mobile communication network 1.
Roaming (moving) from ₂ to the mobile communication network 1 _1, toward a position registration signal including the location registration area number mobile 5 mobile 5 and the mobile equipment number of the mobile station 5 is visiting the base station ₆₁ sending Te, the location registration signal is the base station _61, via the switching center _71, to reach the mobile unit location register 4 _1.

[0011] When the control unit 10 of mobile unit location register 4 ₁ receives via the signal device 11 the location registration signal, based on the mobile station number included in the signal,
The mobile device data of the mobile device 5 in the mobile device memory 9 is searched. In this case, the mobile station 5 for a first location registration moves from the mobile communication network 1 _2, the mobile station data of the mobile station 5 to the mobile station memory 9 is not present. Thus, from the table showing the relationship between the mobile equipment number and its home network control apparatus 10 of the mobile station 5 in order to access the mobile unit location register 4 ₃ that constantly stores the mobile station information on the mobile station 5 The inter-network position registration signal including the mobile unit number is edited, and the signal unit 11 stores the mobile unit location register 4
Requests that ₃ send the signal.

A mobile station that receives the inter-network location registration signal;
Application register 4_ThreeIs the mobile device included in the signal
Searching the mobile device data of mobile device 5 using the number
In the mobile communication network from which the mobile device 5 roamed (before moving),
A mobile communication network 1_Two, Mobile device information of the mobile device 5
Mobile station location register 4 temporarily storing
_TwoOf the mobile station data and the address
Location registration response signal containing network information
Option register 4₁Send to With this mobile device
Add mobile location register in mobile data
4_TwoFrom one to four₁Rewritten as for
I can.

The control unit 10 of mobile unit location register 4 ₁ that has received the inter-network location registration response signal, and records the mobile station information included in the signal to the mobile station memory 9 movement, contained in the signal based on the machine location register 4 _second address information, in order to obtain the subscriber number of the subscriber that call registered in the mobile station 5 to the mobile unit location register 4 _2, a mobile equipment number of the mobile station 5 The registered subscriber inquiry request signal is edited and the transmission request is made to the signaling device 11.

Receiving the registered subscriber inquiry request signal
Mobile device location register 4 _TwoIs included in the signal.
The mobile device of the mobile device 5 using the mobile device number of the mobile device 5
Access data and join the mobile device 5
The subscriber number of the subscriber 12 is obtained, and the subscriber number and the mobile station 5 are obtained.
Registered user inquiry response signal containing the mobile device number of
Mobile station location register 4₁Send to Note that
In the above description, only the subscriber 12 registers the incoming call to the mobile device 5.
It is assumed that a plurality of subscribers
If you have registered an incoming call, add
Transfer the registered subscriber inquiry response including the subscriber number
Motivation location register 4₁Send to

Receiving the registered subscriber inquiry response signal
Mobile device location register 4 ₁Control device 10
Stores the subscriber number included in the signal in the mobile station memory 9.
After writing to the stored mobile device data of the mobile device 5,
A subscriber data transfer activation request signal including the subscriber number
Edit Subscriber Location Register 8₁Send to
To the signal device 11.

Receiving the subscriber data transfer activation request signal
Subscriber location register 8 ₁To subscriber 12
Mobile communication network 1₁When the subscriber 12 is identified within the
First, an incoming call to the subscriber 12 is sent to the mobile communication network 1.₁Lou to
Mobile communication network 1 used as channel information₁Number indicating
(Visited network number), and the visited network number and subscriber 1
A subscriber data transfer request signal containing the subscriber number of
Mobile communication network 1 to which subscriber 12 subscribes_FourProvided in
Subscriber location register 8_FourSend to In addition,
Here, the subscriber number is included in the subscriber data transfer activation request signal.
The case where only one symbol is included is shown,
If the subscriber number is included, the following processing is included
Repeat for as many subscriber numbers as possible.

[0017] The subscriber data transfer request signal the subscriber receives the location register 8 ₄ accesses the subscriber data of the subscriber 12 using a subscriber number of the subscriber 12 contained in the signal, the stores the mobile communication network number, reads the subscriber data of the subscriber 12, and transmits the subscriber data transfer response signal including this subscriber location register 8 _1.

[0018] The subscriber data transfer response signals subscriber location register 8 ₁ having received the stores the subscriber data included in the signal, the mobile station number included in the registration subscriber inquiry request signal write to the subscriber data, the location registration process is completed with the movement to the mobile communication network 1 ₁ of the mobile station 5. As described above, according to the present invention, at the time of location registration, the subscriber data of the subscriber is transferred and stored in the subscriber location register of the mobile communication network, so that the incoming call processing for the subscriber is simplified. This will be clarified by describing an example of incoming call control when there is an incoming call to the subscriber 12 with reference to FIG.

The incoming call to the subscriber 12 is first routed to the subscriber 12 mobile communication network 1 ₄ subscribing for. When a call to the exchange 7 ₄ of the mobile communication network 1 ₄ arrives, the exchange station 7
₄ transmits to the subscriber location register 8 _4, the request signal read subscriber information including a subscriber number of the subscriber 12. Subscriber location register 8 ₄ that has received the signal, accesses the subscriber data of the subscriber 12 using a subscriber number included in the signal, reads the visited network number assigned to the subscriber 12 , and transmits a response signal read subscriber information including the visited network number to the exchange 7 _4.

[0020] The subscriber information exchange station 7 ₄ receives a response signal read is an address signal containing the subscriber number of the subscriber 12 and the visited network number contained in the signal, the subscriber 1
And transmitted to the mobile communication network 1 ₁ to 2 of the serving, it sets the communication line to the switching station ₇₁ in the mobile communication network 1 _1. Setting the communication line from the exchange 7 ₄ to the switching center ₇₁ is performed in the same manner as setting the communication line in a conventional communication network. Incidentally, the visited network number is used as routing information to the switching center _71.

The exchange 7 receiving the address signal
₁Uses the subscriber number included in the signal to
Location register 8₁To the subscriber 12
Get subscriber data. The exchange 7₁Is the subscriber
Of the incoming call registered by the subscriber 12
Mobile device location register based on mobile device number of motive 5
4 ₁To access the mobile device data of mobile device 5 and the location information.
Get information. After that, the mobile device 5 is called based on the location information.
Soup

[0022]

As described above, by using the present invention, an incoming call to a subscriber can be sent directly from the mobile communication network in which the subscriber is subscribed to the mobile communication network in which the subscriber is located. It is possible to perform routing, it is not necessary to go through the mobile device home network, and the connection delay can be reduced. A line to a mobile communication network (mobile device home network) is not required, and subscriber data is not required to be transferred each time an incoming call is made, thereby increasing line use efficiency.

[Brief description of the drawings]

FIG. 1A is a diagram showing a configuration example of a mobile communication network to which the present invention is applied, and FIG. 1B is a mobile station location register 6 ₁ , 6;
₂ is a block diagram showing a configuration example of a 6 _3.

FIG. 2 is a flowchart showing an example of a control procedure in the control device 10.

FIG. 3 is a diagram showing an example of a location registration sequence according to the present invention.

FIG. 4A is a diagram showing an example of an incoming call operation in a mobile communication network to which the present invention is applied, and FIG. 4B is a diagram showing an example of an incoming call control sequence thereof.

FIG. 5 is a diagram showing an incoming call operation in a conventional mobile communication network.

Continuing from the front page (72) Inventor Eriko Yuasa 2-10-1 Toranomon, Minato-ku, Tokyo Inside NTT Mobile Communication Network Co., Ltd. (56) References JP-A-2-15722 (JP, A) (58) Field surveyed (Int. Cl. ⁶ , DB name) H04B 7/24-7/26 H04Q 7/00-7/38

Claims (1)

(57) [Claims] The present invention relates to information on the location of a mobile device and information on the location of the mobile device.
Mobile device data and all incoming calls registered to that mobile device
Memorize subscribers and register incoming calls to the mobile device.
Mobile location cashier with means of knowing which subscriber is present
And a subscriber log for storing subscriber data for each subscriber.
Application registers for each mobile communication network.
When the mobile device moves to another mobile communication network,
Register the location of the mobile device in the mobile device location register
The destination mobile communication network uses
Know the home mobile communication network of the mobile device, and the home mobile communication
Location information in the mobile device location register of the network and the destination
Rewrite the mobile device data of the mobile communication network
Know the previous mobile communication network and move the mobile communication network before the move
Register an incoming call to the mobile device from the device location register.
Know all subscribers who have access and their homes
Subscriber location in the subscriber location register of the mobile communication network
Area information and the subscriber location level of the destination mobile communication network.
Rewrites the subscriber data of the register, and when there is an incoming call on the home mobile communication network, the home mobile communication
The subscriber is located in the subscriber location register of the network.
Area to know the mobile communication network is, location register control method for a mobile communication network, characterized in that.