JPH0752982B2 - Mobile wireless phone method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial field of application" The present invention relates to a wireless telephone moving in a wireless zone connected to a wireless connection device of the wireless zone via a wireless line, and further controlling the wireless line from the wireless connection device. The present invention relates to a mobile radiotelephone system which is connected to a fixed telephone network via a device, and a wireless telephone and a wireless connection device have mutual identification codes and are referred to by the identification codes.

“Conventional technology” In the wireless telephone system, which allows users to freely carry a wireless telephone within a certain service area by connecting a wireless line to an arbitrary subscriber in the fixed telephone network, the conventional wireless telephone The connection could only be made with a compatible wireless connection device. In other words, the wireless connection device, at the time of an outgoing / incoming call, collates the identification code of the wireless telephone included in the outgoing call signal or the incoming call signal with the identification code registered in advance in its own wireless connection device. The connection was made only when the two match.

Therefore, when the wireless telephone moves to the wireless zone of another wireless connecting device, the wireless connecting device does not have the identification code of the wireless telephone registered, so that the wireless connecting device and the wireless telephone are connected by the wireless line. Therefore, it becomes impossible to make a connection between the wireless telephone and a subscriber in the fixed telephone network.

An object of the present invention is to provide a mobile radiotelephone system which overcomes the drawback that communication cannot be performed when a radiotelephone moves to a radio zone belonging to another connection device.

[Means for Solving Problems] According to the present invention, a wireless call service area is constituted by a plurality of wireless zones, and a wireless connection device is provided in each of these wireless zones, and the wireless call service area is moved. A wireless telephone capable of connecting to a wireless connection device of the wireless zone by a wireless line, the plurality of wireless connection devices are connected to a wireless line control device, and the wireless line control device is connected to a fixed telephone network, Further, the wireless telephone has a memory for storing an identification code assigned to the wireless telephone, controls connection between the fixed telephone network and a plurality of wireless connecting devices, and the wireless telephone is connected to a wireless connecting device in a currently existing wireless zone. It has a unique identification code that can configure a wireless line, and should be connected with a wireless telephone that should be connected with the wireless connection device when configuring the above wireless line. When the identification code for determining the other party is collated, the wireless line is configured only when the identification codes match, and when the wireless telephone moves to a different wireless zone,
An identification code assignment request is sent from the wireless telephone to the wireless line control device via the wireless connection device of the wireless zone, and a new identification code of a new connection line that can form a wireless line with the wireless connection device of the wireless zone is created. The address is received from the wireless line control device.

As described above, according to the present invention, when the wireless telephone moves to another wireless zone, the wireless line control device receives the wireless telephone identification code connectable in the wireless zone and uses the wireless telephone identification code. Wireless line connection control can be performed.

What is the conventional technology? After the wireless zone is transferred, the wireless telephone receives the assignment of the wireless telephone identification code that should be used in the wireless zone connection control in the destination wireless zone, and the wireless telephone using the newly assigned wireless telephone identification code is used. The difference is that line connection control is performed.

"Embodiment" FIG. 1 shows a structural example of the present invention. Multiple wireless zones 1
The wireless call service area 11 is composed of a, 1b, ... 1n, and the wireless call service area 11 includes the wireless line control device 12
Managed by. In other words, the wireless connection devices 2a, 2b, ... 2n are provided in the wireless zones 1a, 1b ,.
Radio telephones 3a, 3b, ... 3n moving within 1a, 1b, ... 1n
Are connected to the wireless connection devices 2a, 2b, ... 2n by a wireless line 13 in a one-to-one relationship with each other. The wireless line control device 12 is connected to the wireless connection devices 2a, ..., 2n by a wired line 14 respectively, manages them, and is also a connection line such as a station line or an extension line.
It is connected to the fixed telephone network 16 via 15.

FIG. 2 shows a configuration example of the wireless telephone 3a. RA that is connected to the transmitter / receiver 17 and stores the identification code of its own wireless telephone
M19 and the radiotelephone identification code included in the received signal are read out, collated with the radiotelephone identification code stored in the RAM 19, and the control unit 18 obtains information as to whether or not to connect to the partner device that sent the received signal. An identification code collating unit 21 to be sent to is connected to the control unit 18. The control unit 18 controls the wireless telephone 3a.

FIG. 4 is a control sequence diagram in which the wireless telephone receives a new telephone number when the wireless telephone moves to the small wireless communication zone. The operation will be described in detail below with reference to the drawings.

As shown in FIG. 1, the ID is managed by the radio network controller 12.
A wireless telephone 3a having a wireless telephone identification code of 1 exists in the wireless zone 1a managed by the wireless connection device 2a. At this time, ID1 is stored in the RAM 19 of the wireless telephone 3a as the identification code of the wireless telephone itself, as shown in FIG. 3A. The radio telephone 3a extracts the radio telephone identification code included in the received signal each time there is an incoming / outgoing call control, and the radio telephone identification code stored in the RAM 19 is collated by the identification code collating unit 21 and when the two coincide. Connection control only to. The operation up to this point is the same as the conventional one.

When the wireless telephone 3a moved to another wireless zone 1b, the wireless connection device 2a in the wireless zone 1a separated from the wireless zone 1a because the reception level of the wireless control line for transmitting / receiving an incoming / outgoing call signal fell below a predetermined value. Knowing that, the wireless control line is searched to capture a wireless control line having a predetermined reception level or higher, a wireless telephone identification code request is made through the wireless control line, and a new wireless telephone identification code is assigned. In the wireless line control device 12, when the wireless telephone 3a makes a request for addressing the wireless telephone identification code, the wireless connection device that makes the addressing request
A wireless telephone identification code that can be newly connected by the wireless connection device 2b, for example, ID2, is assigned to 2b, and the assigned wireless telephone identification code is notified to the wireless telephone 3a that requested the assignment. The wireless telephone 3a rewrites the new identification code ID2 in the RAM 19 as shown in FIG. 3B.

The operation from the request for assigning the identification code of the wireless telephone to the assignment of the identification code for the wireless telephone will be described with reference to FIG. When making a request for the identification code, for example, a special key for that purpose is manually operated. By this operation, the wireless telephone 3a sends a request signal 41 to the wireless telephone identification code. This signal 41 includes its own telephone number and its own identification code ID1. The wireless connection device 2 that receives the signal 41
In b, the fact that the request signal for the wireless telephone identification code has been received is notified to the wireless line control device 12 by the signal 42 including the received telephone number and the identification code ID1. Upon receiving this notification, the wireless line control device 12 assigns a wireless phone identification code, ID2, to the wireless connection device 2b as a wireless phone identification code with which the wireless connection device 2b can make a wireless line connection.
A radio telephone identification code addressing signal 43 having the radio telephone identification code information D2 is sent to the radio connection device 2b. Further, the wireless line control device 12 identifies the wireless telephone 3a with an identification code.
The fact that ID2 is assigned is stored in the memory. The wireless connection device 2b that has received the signal 43 addressed to the wireless telephone identification code
Then, in the subsequent wireless line connection control, the wireless line connection control is performed with the assigned wireless telephone identification code.
In addition, a wireless telephone that requested a wireless telephone identification code
A request response signal 44 addressed to the wireless telephone identification code including the newly addressed wireless telephone identification code information of ID2 is sent to 3a. Radiotelephone 3a receives signal 44
Then, the wireless telephone identification code ID1 stored in the RAM 19 is rewritten to the newly assigned wireless telephone identification code ID2, and the wireless line connection operation is performed using the wireless telephone identification code ID2 in the subsequent wireless line connection control.

When a subscriber of the fixed telephone network 16 calls the wireless telephone 3a, the telephone number unique to the wireless telephone 3a may be dialed, and the line unique to the wireless telephone 3a in the connection line 15 is received according to the dial. When the signal arrives, the radio line controller 12 knows from the number of the connection line 15 that it is for the radio telephone 3a, and refers to the memory to refer to the radio telephone.
A call can be made by detecting the identification code ID2 currently assigned to 3a and transmitting it through the corresponding wireless connection device 2b.

As shown in FIG. 5, the RAM 19 of the wireless telephone is provided with a plurality of memory areas, and the memory addresses are given priority. When there is only one piece of wireless telephone identification code information, the wireless telephone identification code information is stored in the first address as shown in FIG. 5A, and wireless line connection control is performed using this data. If a new wireless telephone identification code is assigned after the wireless zone is transferred, the newly assigned wireless telephone identification code ID2 is stored in the first address as shown in FIG. 5B, and the wireless line connection is established. Take control. When calling, the wireless telephone identification code ID2 stored in the first address
The call is made with the wireless telephone identification code ID1 stored in the second address when there is no response. At the time of incoming call, the data ID2 stored in the first address is the identification code of the wireless telephone extracted from the received signal.
The wireless telephone identification code collation is carried out, and if they do not coincide, the wireless telephone identification code collation is carried out with the data ID 1 stored in the second address.

[Effects of the Invention] As described above, according to the present invention, each time a wireless telephone moves to another wireless zone, the wireless telephone can be moved to any wireless zone by receiving an assignment of a wireless telephone identification code that can be connected in that wireless zone. Also has the advantage of being able to talk.

Further, as described with reference to FIG. 5, since the wireless telephone identification code once assigned is stored, if the transition is between the wireless zones once assigned the wireless telephone identification code, the identification code request is made at each transition. There is an advantage that incoming and outgoing connections can be made without using it.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration example of the system of the present invention, and FIG.
FIG. 4 is a block diagram showing a configuration example of a wireless telephone used in the present invention, FIG. 3 is a diagram showing an example of the contents of the identification code of the wireless telephone itself stored in the RAM 19 of the wireless telephone, and FIG. FIG. 5 is a diagram showing an example of an operation sequence in which an identification code is assigned because a zone is moved, and FIG. 5 is a diagram showing an example of a case where a plurality of own wireless telephone identification codes stored in RAM 19 of a wireless telephone are stored. Is.

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Claims (1)

[Claims] 1. A wireless call service area is constituted by a plurality of wireless zones, a wireless connection device is provided in each of these wireless zones, and a wireless telephone that can move in the wireless call service area is a wireless device in that wireless zone. It is possible to connect to a connection device by a wireless line, the plurality of wireless connection devices are connected to a wireless line control device, the wireless line control device is connected to a fixed telephone network, and an identification code assigned to the wireless telephone is assigned. It has a memory to store, controls the connection between the fixed telephone network and a plurality of wireless connection devices, and the wireless telephone is unique in that it can configure a wireless line with a wireless connection device in a currently existing wireless zone. Matching of the identification code for determining the other party to be connected with the wireless connection device and the wireless telephone to be connected when the above wireless line is configured. Performed only configure its wireless line when the identification code is matched, when the radiotelephone has moved to a different radio zone,
An identification code allocation request is issued from the wireless telephone to the wireless line control device through the wireless connection device of the wireless zone, and the wireless line control device can configure a wireless line with the wireless connection device of the wireless zone. Mobile radiotelephone method for receiving a unique identification code.