JPH01146437A - Destination connection method - Google Patents

Abstract

PURPOSE:To continue mobile communication by allowing a 1st communication network to execute all service management to a mobile equipment even after the mobile equipment moves from the 1st mobile communication network to a 2nd mobile communication network and allowing the 2nd mobile communication network to set only a speech path to the mobile equipment. CONSTITUTION:In the mobile communication network where the 1st mobile communication network 100 subscribed by a mobile equipment 31 and the 2nd mobile communication network 200 having a communication area other than the communication area of the mobile communication network 100, the mobile communication network 200 transfers a position registration request and a communication request raised by the mobile equipment 31 to the mobile communication network 100 and sets a requested speech path when the speech path request setting from the communication network 100 is given to the mobile equipment 31, and the mobile communication network 100 registers the position information of the mobile equipment 31 in the mobile communication network 200 when the position registration request with respect to the mobile equipment 31 is transferred from the mobile communication network 200, and requests speech path setting to the mobile communication network 200 when an outgoing/ incoming call takes place to the mobile equipment 31.

Description

[Detailed Description of the Invention] [Summary] This invention relates to a mobile communication system, and in particular allows mobile communication even when a mobile device moves from the communication area of a mobile communication network to which it subscribes to the communication area of another mobile communication network. Regarding the moving destination connection method, even if the mobile device moves between mobile communication networks, it is possible to make the mobile device recognize the movement between mobile communication networks without impairing the independence between the mobile communication networks. A first mobile communication network to which a mobile device joins, and a second mobile communication network having a communication range outside the communication range of the first mobile communication network, with the purpose of enabling mobile communication without any mobile communication network. In a mobile communication system having a mobile communication system, when a location registration request and a communication request are issued from a mobile device, the transfer destination mobile communication network transfers the location registration request and communication request to the first mobile communication network, When the first mobile communication network requests to set up a call path for the mobile device, the first mobile communication network sets up the requested call path, and the first mobile communication network When a location registration request is transferred, the location information of the mobile device within the second mobile communication network is registered, and when a call is made to or received from the mobile device, a call is made to the second mobile communication network. configure to request route settings.

[Industrial application field]

The present invention relates to a mobile communication system, and particularly relates to a mobile communication system that enables mobile communication even when a mobile device moves from the communication area of a mobile communication network to which it joins to the communication area of another mobile communication network. .

With the development of mobile communication systems, in addition to mobile communication networks that cover the entire country, mobile communication networks that cover only local areas, such as those around large cities, are on the verge of being realized.

In such a case, even if a mobile device that is subscribed to a mobile communication network whose communication area is only the local area moves outside of that communication area, it will still be able to move using the mobile communication network whose communication area is the entire area. Claims featuring communications are envisaged.

[Conventional technology]

FIG. 6 is a diagram showing an example of a mobile communication system to which the present invention is applied.

In FIG. 6, 1 is a first mobile communication network (hereinafter simply referred to as mobile communication network i) whose communication area is only local areas, and 2 is a second mobile communication network yJ (hereinafter simply referred to as mobile communication network i) whose communication area is the entire country. (hereinafter simply referred to as mobile communication network 2), 3 is a mobile unit equipped with a mobile unit 31 that has joined the mobile communication network 1.

A mobile communication network 1 includes a base station 11 and a mobile device 3, each of which enables communication with a mobile device 31 in its own wireless zone.
a mobile exchange 12 that exchanges and processes calls originating from and arriving at a mobile exchange 1; a mobile exchange 1 that registers a predetermined location of a mobile station 31;
Similarly, the mobile communication Wi 2 is equipped with a home memory station 13 having a base station 21 and a mobile exchange 2.
It is equipped with 2.

Furthermore, mobile communications M41 and M2 are interconnected via barrier exchanges 14 and 23, respectively.

Mobile device 31 is a mobile communication'! When the mobile device 31 is within the communication range of A1, the current location of the mobile device 31 is registered in the home memory station 13 in units of location registration areas including the wireless zones of a plurality of predetermined base stations 11. .

When the mobile device 31 moves from the current location registration area to another location registration area, the mobile device 31 automatically issues a location registration request and the location already registered in the home memory station 13 is updated.

Such a mobile device 31 is a mobile communication device! When moving from the i11 communication area to the mobile communication network 2 communication area, mobile communication! According to the conventional technology, the following method is assumed in order to enable mobile communication using 12.

(a) The mobile communication network 2 performs the same call processing as the mobile communication network 1 by referring to the subscriber data of the mobile device 31 held by the home memory station 13 in the mobile communication network l.

(b) When the mobile device 31 moves, the mobile communication M4
1 transfers subscriber data regarding the mobile device 31 to the mobile communication network 2, and the mobile communication network 2 performs the same call processing as the mobile communication network yJ1.

(C) Mobile communication from mobile device 31! A special number is sent to ii2 to connect to mobile communication y41, and mobile communication network 1 processes the call.

However, if the methods shown in a) and (b) are adopted, subscriber data is mutually transferred, or each mobile communication 1i
It is necessary to be aware of the services provided in 11 and 2, etc.
Mutual independence of mobile communication networks cannot be maintained, and (C
), it is necessary to recognize whether the mobile device 31 is moving from the mobile communication network 1 to the mobile communication network 2.

[Problem that the invention seeks to solve]

As is clear from the above explanation, the previously assumed communication method when mobile communication networks are migrated will not be able to maintain independence between mobile communication networks, or mobile devices will not be able to move between communication networks. It is necessary to recognize that both are difficult to realize.

The present invention also applies when a mobile device moves between mobile communication networks.
It is an object of the present invention to enable mobile communication to be continued without interfering with the independence of mobile communication networks and without making a mobile device aware of movement between mobile communication networks.

[Means for solving problems]

FIG. 1 is a diagram showing the principle of the present invention.

In FIG. 1, 100 is a first mobile communication network to which the mobile device 31 joins, and 200 is a second mobile communication network having a communication range outside the communication range of 1 m 100 of the first mobile communication.

[Effect]

When a location registration request and a communication request are issued from the mobile device 31, the second mobile communication network 200 transfers the location registration request and communication request to the first mobile communication network 100.

The first mobile communication network 100 is the second mobile communication network! 7J
200 transfers a location registration request regarding the mobile device 31, the location information of the mobile device 31 within the second mobile communication network 200 is registered, and when a call to/from the mobile device 31 occurs, the Second mobile communication! 71200 to request communication path setup.

The second mobile communication network 200 is the first mobile communication! i!
100 requests the setting of a communication path for the mobile device 31, the requested communication path is set.

Therefore, even after the mobile device moves from the first mobile communication network to the second mobile communication network, the first mobile communication network performs all service management for the mobile device, and the second mobile communication network The network only sets up a communication path for the mobile device according to the request from the first mobile communication network, the independence of both mobile communication networks is maintained, and the mobile device recognizes movement between the two mobile communication networks. There is no need to do so.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 2 is a diagram illustrating an example of a mobile communication system according to an embodiment of the present invention, FIG. 3 is a diagram illustrating a location registration process in FIG. 2, and FIG. FIG. 5 is a diagram illustrating a mobile device originating connection process, and FIG. 5 is a diagram illustrating a mobile device terminating connection process in FIG. 2. In addition,
The same reference numerals indicate the same objects throughout the figures. The target mobile communication system is as shown in FIG.

Also in FIG. 2, the current location of a mobile device 31 that has joined the mobile communication network 1 is registered in the storage unit 131 of the home memory station 13 for the mobile device 31 in units of location registration areas.

Furthermore, by analyzing the mobile device number m assigned to each mobile device 31, it is possible to determine which mobile communication network 1 or 2 the mobile device 31 has joined.

Furthermore, by analyzing the registered location number p indicating the location registration area registered by each mobile device 31, it is possible to determine which mobile communication network 1 or 2's communication area the location registration area is within.

2 to 5, when the mobile device 31 moves from the communication area of the mobile communication network 1 to which it has joined to the communication area of the mobile communication network 2, the mobile device 31 moves from the mobile communication network 2 to the communication area of the mobile communication network 2. Mobile switch 2 via base station 21 located in the destination wireless zone
2, a location registration request signal a (m) containing the mobile device number m assigned to the mobile device 31 is transmitted.

In the mobile exchange 22, the common control unit 221 analyzes the mobile device number m included in the received location registration request signal a (m), and if it is determined that the mobile device 31 is joining the mobile communication network l, the location registration is performed. A registered location number p indicating a location registration area determined by the base station 21 that received the request signal a (m)
The location registration request signal b (m, p) with the addition of ! Transfer to rr41.

In the destination mobile communication network 1, the barrier switch 14 receives the location registration request signal b (m
, p), the mobile device number m is analyzed to identify the corresponding home memory station 13, and a location registration request signal b (m,
Transfer p).

In the home memory station 13, when the common control unit 132 analyzes the received location registration request signal b (m, p) and determines that the registered location number p is within the communication range of the mobile communication network 2,
The location registration 6i recognition signal C(m,p) is sent back to the mobile communication network 2 via the mobile device 31 in the storage unit 131.

In the destination mobile communication network 2, the gateway switch 23 is the destination mobile communication network! Location registration confirmation signal from ill c Cm
s p ), it sends a location registration confirmation signal C(m,p) back via the common channel signal network 24 to the mobile exchange 22 that is the source of the location registration request signal b(m,p).

In the mobile exchange 22, when the common control unit 221 receives the location registration confirmation signal c (m, p), the common control unit 221 transmits the information of the mobile device 31 via the base station 21 located in the location registration area determined by the registered location number p. A location registration confirmation signal d (m) to which the mobile device number m is added is transmitted.

As a result of the above, the current position of the mobile device 31 (registered position number p)
But mobile communication! It is registered in the home memory station 13 in the ill.

In this state, the mobile device 31 makes a call to the called party who subscribes to the general telephone 'fJ44, and sends a calling signal e (m, n) containing its own mobile device number m and the called party number n. Then, the calling signal e (m, n) is transmitted to the mobile exchange 22 via the base station 21 corresponding to the existing wireless zone.

In the mobile exchange 22, the common control unit 221 analyzes the mobile number m included in the received calling signal e (m, n), and starts mobile communication! When the mobile device 31 is determined to be joining i11, the base station 2 that received the calling signal e (m, n)
The calling signal f (m, n, p) to which the registered location number p indicating the location registration area determined by 1 is added is transmitted to the common line signal 1i
Mobile communication network 1 via i24 and gateway switch 23
Transfer to.

In the mobile communication network 1, the barrier switch 14 is the mobile communication! When a calling signal f (m, n, p) is received from 42, the mobile device number m included in the calling signal f (m, n, p) is
is analyzed to identify the corresponding home memory station 13, and transmits a subscriber data request signal g (m) containing the mobile number m to the home memory station 13 via the common channel signal network 15.

In the home memory station 13, the common control unit 132 analyzes the received subscriber data request signal g(m), and identifies the subscriber data registered in the area corresponding to the mobile unit 31 (mobile unit number m) in the storage unit 131. The data X is extracted and sent back to the gateway exchange 14 via the common signal network 15 in response to a subscriber data notification signal h (x).

The gateway exchange 14 receives the returned subscriber data notification signal b.
The subscriber data X included in (x) and the calling signal f (m
.
A call confirmation signal i (m, k) including the mobile number m is sent back to the mobile communication network 2.

Mobile communication destination y! 42, the barrier exchange 23
is the call confirmation signal i(m,k) from the destination mobile communication network 1.
When it receives the call confirmation signal i (m, i; k), it returns the call confirmation signal i (m, i; k) via the common channel signal y424 to the mobile switching equipment 22 that is the source of the call signal f (m, n).

In the mobile exchange 22, the common control unit 221 analyzes the received call confirmation signal i (m, k), and if the call availability information k indicates that call setup is not possible, the calling mobile station 31 is notified that the connection is not possible, but the call availability information k
indicates that call setup is possible, the communication path section 222
A communication path j is established from the communication path section 222 to the mobile device 31 via the base station 21, and communication paths 0 and q are established from the communication path section 222 to the mobile communication network I via the gateway switch 23.

In the mobile communication M41, when the barrier switch 14 identifies that the communication path q has been set up from the mobile communication yi2, it sets up the communication path r leading to the -i telephone network 4, connected to telephone line q, and further connected to general telephone network 4.
A request is made to set up a call using called party number n.

The called party answers on the general telephone network 4, and the gateway switch 14
When the response signal S is sent back to the mobile exchange 22 via the communication path set via 23 and 23, the mobile exchange 22 returns a response signal t to the calling mobile station 31.

As described above, a conversation U can be made between the calling mobile device 31 and the called party who subscribes to the general telephone network 4.

When the call U ends and a disconnection signal V is sent from the mobile device 31, the barrier switch 14 identifies that the call from the mobile device 31 has been disconnected, executes billing processing for the mobile device 31, and -FeL telephone 1ii4 Disconnect the communication path that is currently being set up.

Next, from the general telephone network 4 to the barrier switch 14, the mobile device 31
An incoming call arrives, and the mobile device number m of the called mobile device 31
When the incoming call signal aa(m) including
The mobile device number m included in the mobile device number m) is analyzed to identify the corresponding home memory station 13, and the subscriber data request signal ac ( m) to communicate.

In the home memory station 13, the common control unit 132 analyzes the received subscriber data request signal ac(m), and analyzes the subscriber data request signal ac(m) that is registered in the area corresponding to the mobile unit 31 (mobile unit number m,) in the storage unit 131. subscriber data X and registered location number p are extracted and sent back to barrier exchange 14 via common line signal network 15 in response to subscriber data notification signal ad (x, p).

The gateway exchange 14 receives the returned subscriber data notification signal a.
When the registered location number P included in d (x, p) is analyzed and it is determined that the mobile device 31 is moving to the mobile communication network 2, the incoming call signal ae (m
, p) to the mobile communication network 2, and the barrier exchange 8
23 is set up and connected to the call path ab from the general telephone y44.

Mobile communication! In i12, when the gateway switch 23 receives the incoming call signal ae (m, p) from the barrier FIA machine 14, it analyzes the registered location number p, identifies the corresponding mobile switch 22, and connects it to the common line signaling network. At the same time, the incoming call signal ae (m, p) is transferred to the mobile exchange 22 via the barrier exchange 24, and a call path ag from the barrier exchange 23 to the mobile exchange 22 is set. Connecting.

In the mobile exchange 22, the common control unit 221 analyzes the received call signal ae(m,p) and determines the registered location number P.
A paging signal af(m) including the mobile device number m is transmitted via all base stations 21 within the location registration area determined by.

The called mobile device 31 that has received the paging signal af(m) transmits the response signal a via the base station 21 corresponding to the existing wireless zone.
When h is returned, the common control unit 221 sets a communication path ai from the communication path unit 222 to the mobile device 31 via the base station 21, and also connects the communication path ai to the gateway exchange 2 via the communication path unit 222.
Connect to communication path ag from 3.

When the called party of the mobile station 31 answers and a response signal aj is sent back to the mobile exchange 22 via the base station 21, the mobile exchange 22 transmits the call to the general telephone network 4 via the barrier exchanges 23 and 14. A response signal ak is sent back via the communication path set in .

As described above, it becomes possible to make a call between the calling general telephone network 4 and the called mobile device 31.

When the call am ends and a disconnection signal an is sent from the general telephone yi4, the gateway exchanges 14 and 23 and the mobile exchange 22 disconnect the communication path being set, and the mobile station 31
A disconnection signal ao is sent to the

As is clear from the above description, according to this embodiment, the location registration process and the incoming/outgoing call process regarding the mobile device 31 that has moved from the communication area of the mobile communication f11 to the communication area of the mobile communication network 2 are all performed. The mobile communication M42 transfers the location registration request to the mobile communication network l;
In addition, it only executes the setting of a communication path requested by the mobile communication M41, and does not transfer subscriber data or the like regarding the mobile device 31 between the mobile communication networks 1 and 2. Furthermore, the mobile device 31 does not need to recognize that it has moved between the mobile communication networks 1 and 2 at all.

Note that FIGS. 2 to 6 are only one embodiment of the present invention, and for example, the location registration process, mobile device originating connection process, and mobile device terminating connection process are not limited to those shown in the figures. Although many other modifications may be considered, the effects of the present invention remain the same in any case. It goes without saying that the first and second mobile communication networks to which the present invention is applied are not limited to those illustrated.

〔Effect of the invention〕

As described above, according to the present invention, in the mobile communication system, even after the mobile device moves from the first mobile communication network to the second mobile communication network, the service management for the mobile device is entirely performed by the first mobile communication network. The second mobile communication network only establishes a communication path for the mobile device according to the request from the first mobile communication network, and the independence of both types of mobile communication networks is maintained. There is no need for the mobile device to recognize movement between both types of mobile communication networks.

[Brief explanation of the drawing]

1 is a diagram illustrating the principle of the present invention, FIG. 2 is a diagram illustrating an example of a mobile communication system according to an embodiment of the present invention, FIG. 3 is a diagram illustrating the location registration process in FIG. Figure 4 is a diagram illustrating the mobile device origination connection process in Figure 2;
The figure is a diagram illustrating the mobile terminal call connection process in Figure 2;
FIG. 6 is a diagram showing an example of a mobile communication system to which the present invention is applied. In the figure, l and 2 are mobile communication networks, 3 is a mobile body,
4 is a general telephone network, 11 and 21 are base stations, 12 and 22 are mobile exchanges, 13 is a home memory station, 14 and 23 are barrier exchanges, 31 is a mobile device, 100 is a first mobile communication network, 200 indicates a second mobile communication network.
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Claims (1)

[Claims] A first mobile communication network (100
) and a second mobile communication network (200) having a communication range outside the communication range of the first mobile communication network (100), wherein the second mobile communication network ( 200), when the mobile device (31) issues a location registration request and a communication request, forwards the location registration request and communication request to the first mobile communication network (100); from the mobile communication network (100) to the mobile device (3).
1), the first mobile communication network (100) sets up the requested communication path, and the first mobile communication network (100) connects the second mobile communication network (200) to the mobile device. (3
When a location registration request related to 1) is transferred, the location information of the mobile device (31) within the second mobile communication network (200) is registered, and calls to and from the mobile device (31) occur. In this case, the second mobile communication network (2
A moving destination connection method characterized by requesting communication path setup to 00).