JPH0750869A - Radio telephone equipment - Google Patents

Abstract

PURPOSE:To improve a utilization ratio of a radio channel and the service by executing important and new outgoing and incoming without interrupting its speech even if channels in one zone are all busy by providing an overlap area which can talk to an adjacent connecting device. CONSTITUTION:Call enabling zones of radio equipments 3, 4 are formed by being overlapped partially. When a radio telephone set 2 existing in the zone of the equipment 3 executes newly outgoing, it is detected by a slave machine control part 14, an outgoing request is informed to a controller 5 and an idle channel in its zone is checked by a position registering part 54, and in the case all channels are busy, a telephone set in an overlap zone is checked. As a result, in the case it is decided that switching to other zone can be executed, and also, it is decided that priority of new outgoing is high by a priority management part 55, the speech is continued by switching the telephone set in the overlap zone to the channel in the other zone, and also, the channel of the zone which becomes an idle state is assigned to a new radio telephone set 2. In such a way, a priority processing to an emergency telephone can be executed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-zone type wireless telephone device in which wireless connection devices are distributed and installed.

[0002]

2. Description of the Related Art In recent years, as a method of making extension telephones of a private automatic branch exchange wireless, a multi-zone method has been adopted in which wireless connection devices are distributed and arranged to increase the number of radio telephones that can be accommodated by repeatedly using the same frequency band. There is. With this method, the service area is divided into relatively narrow zones and the frequency is repeatedly used with low-power radio waves, which has the advantage of reducing transmission power and increasing the number of wireless telephones that can be accommodated. Various methods have been realized, which requires a technique for keeping track of the position of a moving wireless telephone and continuing a call.

FIG. 3 is a block diagram showing an example of the configuration of a conventional radiotelephone device, in which two radiotelephones are accommodated. In FIG. 3, 1 and 2 are wireless telephones, 3 and 4 are wireless connection devices, and 5 is a control device of the wireless telephone device, which are connected to the extension of the private automatic branch exchange 6.

The radiotelephone 1 (the radiotelephone 2 has the same configuration, and therefore, the respective parts within the frame are omitted), includes an RF transceiver 11, a position detector 12, a communication controller 13, and a slave unit controller 14.
And the voice interface unit 15. The wireless connection device 3 (the wireless connection device 4 has the same configuration, and therefore, the respective parts inside the frame are omitted) is composed of an RF transceiver 31 and a communication controller 32.

Further, the control device 5 is a communication path switch section.
51, extension interface unit 52, control unit 53 and position registration unit 54. In the figure, a thin solid line indicates a control channel, a thick solid line indicates a voice channel, and a broken line indicates a wireless signal (voice + control signal).

In each section of the above configuration, the wireless telephone 1,
The RF transmitter / receiver 11 and 31 of the wireless communication device 2 and the wireless connection devices 3 and 4 simultaneously communicate a control signal and voice. Further, the position detection unit 12 of the wireless telephone monitors the radio wave conditions of both the wireless connection devices 3 and 4 to determine which zone the wireless communication device is located in. The control signal is propagated in the wireless section by the communication control units 13 and 32 of the wireless telephone and the wireless connection device, and is transmitted and received between the slave unit control unit 14 of the wireless telephone and the control unit 53 of the control device.

On the other hand, as for voice, a voice interface unit 15 including a microphone and a speaker (not shown) of a wireless telephone, a communication path switch unit 51 of a control device, and an extension interface unit.
It is connected to the private branch exchange 6 via 52. The position registration unit 54 of the control device indicates the status of the wireless connection devices 3 and 4, and records the number of the wireless telephone staying in the zone and the usage status of the call channel.

In the case where the wireless telephone 1 moves from the zone of the wireless connection device 3 (hereinafter abbreviated as the first zone) to the zone of another wireless connection device 4 (hereinafter abbreviated as the second zone) with such a configuration. Will be explained. First, the position detector of the wireless telephone 1
The radio telephone 1 detects the movement of the zone from the radio wave states of the radio connection devices 3 and 4 received by the RF transmission / reception unit 11 according to 12. This is the slave unit control unit 14 of the wireless telephone 1.
Notifies the control unit 53 of the control device 5 via the communication control unit 13 to request the channel of the second zone. The control unit 53
Changes the registration position of the wireless telephone 1 of the position registration unit 54 to the second zone, and if there is an empty channel in the second zone, returns the channel number to the wireless telephone 1. Upon receiving the new channel number of the second zone, the wireless telephone 1 switches to that channel and continues the call.

[0009]

However, in the above-mentioned conventional configuration, since the channel switching is performed only by moving the zone of the wireless telephone during the call, when all the channels of the zone are in use, the call in the zone is being performed. New wireless phones cannot be used to make new calls or calls unless they are moved to another zone, and emergency calls cannot be made, or wireless phones that are intended for personal use cannot be called by owners with high priority. Had.

It is an object of the present invention to solve the above conventional problems, improve the utilization efficiency of the wireless telephone device, and improve the service.

[0011]

In order to solve the above problems and achieve the object, the present invention defines a zone formed by a wireless connection device in a control device of a wireless telephone device as an area in which only the wireless connection device can communicate. A method that overlaps with the adjacent wireless connection device and divides the wireless phone location into areas where both wireless connection devices can talk, a method that compares the priorities of the wireless phones, and an outgoing call is an emergency call. It is characterized by having a means for determining whether it is a normal telephone or a normal telephone.

[0012]

According to the present invention, with the above-described configuration, when a high priority wireless telephone makes an incoming call and an emergency telephone call, the channels of the wireless telephone making a call in the overlap zone are adjacent to each other. By switching to the channel of the zone in which the call is made and reserving the channel for new calls, it is possible to make a new call with a high degree of importance without interrupting the current call even if all the channels of one zone are in use. It will be possible.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a block diagram showing the structure of a radio telephone device according to an embodiment of the present invention, which is similar to FIG.
This is the case where one wireless telephone is accommodated. In FIG.
The blocks having the same functions as those in FIG. 3 are designated by the same reference numerals and the description thereof will be omitted.

In this embodiment, the following functions are added to the control device 5. The position registration unit 54 indicates the status of the wireless connection device, and records the number of the wireless telephone staying in the zone and the usage status of the call channel. 55 is a slave unit priority management unit that manages the priority for receiving the service of each wireless telephone, 56 is an emergency call such as 110 by analyzing the outgoing dial received from the wireless telephone, or another normal telephone Is a number analysis unit for determining.

A case where a new call is made and received in a zone in which all channels are used in such a configuration will be described with reference to FIG.

FIG. 2 is a layout of the zones formed by the wireless connection devices 3 and 4 and the wireless telephones. In FIG. 2, 20
Reference numerals 0 and 201 denote circular callable zones formed by the wireless connection devices 3 and 4, respectively. Reference numerals 203 and 204 are wireless telephones using the channel of the zone 200, and 205 is a wireless telephone using the channel of the zone 201. The two zones 200, 201 partially overlap,
It is divided into an area where you can talk only on each channel and an overlap zone where you can talk on both channels,
The wireless telephone 204 is in a call in the overlap zone where both the wireless connection devices 3 and 4 can talk. In addition, it is assumed that each zone can talk on two channels.

Table 1 shows management data for each zone used by the location registration unit 54, and (300) to (303) show the location registration unit 54.
Is the data that records the wireless telephone number and the channel used for each zone. Zone numbers 200 and 201 are
It indicates that the position is registered in the wireless connection devices 3 and 4, respectively, and the overlap zone number indicates the number of the zone that overlaps with the zone currently registered when it is located in the overlap zone. . For example,
Although the wireless telephone 204 is talking on the channel 2 of the zone 200, it is possible to talk on the channel of the zone 201.

[0018]

[Table 1]

Table 2 shows management data used by the handset priority management section 55 and the number analysis section 56, and (400) to (403) are transmitted by the respective wireless telephones of the handset priority management section 55. It is data indicating the priority when executing a service such as an incoming call. Further, (404) to (406) are combinations of the outside line outgoing dial special number 0 of the private automatic branch exchange 6 and the emergency telephone numbers 110 and 119, and are data for the number analyzing unit 56 to compare with the outgoing dial.

[0020]

[Table 2]

The operation will now be described. When the wireless telephone 202 in the zone 200 shown in FIG.
Upon detecting the dialing input of the wireless telephone 202, the handset controller 14 sends a call request to the controller 53 of the controller 5 via the communication controller 13 of the wireless telephone 1 and the communication controller 32 of the wireless connection device 3. Notice. Upon receiving the notification, the control unit 53 checks the empty channels of the zone 200 by the location registration unit 54, and it can be seen that all the channels are in use, as indicated by the data 300 and 301 in (Table 1). In this case, the control unit
The position registration unit 54 checks the presence / absence of a wireless telephone staying in the overlapping zone and the presence / absence of an empty channel in the overlapping zone by referring to the data 301 and 303 in (Table 1). It is detected that the wireless telephone 204 shown in FIG. 2 can switch to the zone 201.

Next, the slave unit priority management unit 55 of the controller 5 compares the priority data 400 and 402 shown in (Table 2) of the wireless telephones 202 and 204 shown in FIG. When the telephone 202 has a higher priority, the data (300) to (303) shown in (Table 1) are rewritten as (304) to (307), and the zone is changed to the wireless telephone 204 shown in FIG. 2
Send a channel switch notification to channel 2 of 01,
The call channel of the wireless telephone 204 is switched, and the call path switch unit 51 of the control device 5 switches the connection with the private automatic branch exchange 6 to the channel to continue the call.

On the other hand, the channel 2 of the zone 200, which has become empty by the above processing, is assigned to the radio telephone 202 as the data (305) in (Table 1), and the call is sent to the private automatic branch exchange 6. Even when an incoming call is made to the wireless telephone 202, the priorities are compared by the same procedure as above, and the incoming call is made if the above conditions are satisfied.

Next, as another means, in the wireless telephone device,
When the wireless telephone 202 makes a call, the wireless telephone 20 does not perform priority comparison by the slave unit priority management unit 55.
The number analysis unit 56 analyzes the content of the outgoing dial received from 2 via the communication control units 13 and 32, and which of the emergency telephone number data shown in (Table 2) data (404) to (406) If it matches with, the same channel switching process as described above is performed to cause the wireless telephone 202 to make a call.

[0025]

As described above, the radiotelephone device of the present invention allows new incoming and outgoing calls with high importance without interrupting the current call even if all channels in one zone are in use. A wireless phone that is supposed to be carried,
This enables priority control of incoming and outgoing calls based on the ranking of the carrier and priority processing for emergency calls, which is very effective in improving the serviceability of the wireless telephone device.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a wireless telephone device according to an embodiment of the present invention.

FIG. 2 is a layout diagram of wireless telephones in two zones in the case where an incoming / outgoing call of a new wireless telephone occurs in the embodiment of FIG.

FIG. 3 is a block diagram showing a configuration example of a conventional wireless telephone device.

[Explanation of symbols]

1, 2, 202 to 205 ... Wireless telephone, 3, 4 ... Wireless connection device, 5 ... Control device, 6 ... Private automatic exchange, 11, 31 ...
RF transmitting / receiving unit, 12 ... Position detecting unit, 13, 32 ... Communication control unit, 14 ... Handset control unit, 15 ... Voice interface unit,
51 ... communication path switch section, 52 ... extension interface section, 54 ... position registration section, 55 ... slave unit priority management section, 56
… Number analysis part, 200, 201… Zones where you can talk.

Claims (2)

[Claims] 1. A zone formed by a wireless connection device in a control device of a wireless telephone device overlaps an area where only the wireless telephone device can talk and an adjacent wireless connection device, and both wireless connection devices can communicate. A radiotelephone device comprising means for registering the location of the radiotelephone in different areas and means for comparing the priorities of the radiotelephones. 2. The radiotelephone device according to claim 1, wherein the control device of the radiotelephone device has means for judging whether the outgoing dial is an emergency call or a normal call.