JPH09322237A - Mobile communication equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mobile communication equipment able to send an emergency call to a radio base station by the enbloc dialing system automatically even when the user of a mobile telephone terminal makes an emergency call to the busy radio base station by the overlap dialing system. SOLUTION: When a user of a mobile telephone terminal 4 makes an emergency call by the overlap dialing system when a radio base station is busy, an emergency call processing section 90 discriminates it that the radio base station is busy, allows a speaker 70 to generate a dialing tone via a DT/BT generating section 94 thereby urging the input of a telephone number of the user, decides it that the inputted telephone number thereby is an emergency call exclusive number, selects automatically the enbloc dialing system and sends an emergency call to the radio base station. Thus, an emergency call is sent to the busy radio base station even by the overlapping dialing.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to mobile communication technology,
Furthermore, for example, time division multiple access (Time Divis)
PCS (Personal Communicati) based on Ion Multiplex Access
PACS (Personal Access) implemented in the United States as a system for on-service
The present invention relates to an emergency call originating technique of a mobile station in a mobile communication system based on the Communication System system.

[0002]

2. Description of the Related Art FIG. 4 is a schematic diagram of a general mobile communication system. Generally, in the mobile communication system 1, the service area 10 in which a wireless telephone service or the like can be enjoyed is divided into a plurality of wireless zones 11, 11, .... The wireless base station 12 is installed in each wireless zone 11. Mobile stations (mobile phone terminals) such as car phones and mobile phones 13,1
A plurality of 4, 15, 16 are provided in the service area 10.

In such a mobile communication system 1, as shown in FIG. 4, a plurality of mobile stations 14, 15, 16 are provided.
Is communicating with the wireless base station 12 in the same wireless zone 11 and there is no available channel for communication with the wireless base station 12, that is, when the wireless base station 12 is in the busy state, communication is generally performed. The other mobile station 13 which is not performing communication cannot communicate with the radio base station 12 in the busy state.

However, in the mobile communication system based on the PACS system in the United States, even if the radio base station 12 is in the busy state, another mobile station 13 in an uncommunication state is required to communicate with the radio base station 12. A connection method that allows the connection is provided.

That is, the mobile station 13 to the radio base station 12
As a method for making a call to "overlap-d", a method of pressing the "SND" button (calling button) of the mobile phone terminal to connect to the wireless base station 12 and then inputting the destination telephone number
ialing calling and inputting the other party's telephone number to the mobile telephone terminal in advance so that the other party's telephone number is notified to the wireless base station upon connection to the wireless base station 12 enb
There are two loc-dialing transmissions. Then, the mobile station 13 in the uncommunication state is
The call can be connected to the wireless base station 12 in the busy state only when the other party's telephone number is a number dedicated to an emergency call when making a call.

FIG. 5 shows a conventional mobile telephone terminal 2 used in the PACS type mobile communication system described above.
FIG. 3 is a block diagram showing the configuration of FIG. This mobile phone terminal 2
Is a transmission / reception unit 2 that receives the radio wave fD transmitted from the radio base station 12 and transmits the radio wave fU to the radio base station 12.
1. Received signal (RF
A reception processing unit 22 for demodulating a signal), an operation unit 20 serving as a man-machine interface between the mobile telephone terminal 2 and its user, and an operation unit 20 based on processing contents of the reception processing unit 22.
Of the speaker 33 of the operation unit 20, or a control unit 24 that performs a process of converting a voice or the like input from the microphone 35 of the operation unit 20 into transmission data, and the transmission data output from the control unit 24 to a transmission signal (RF It has a TDMA transmitter 36 which converts it into a signal) and supplies it to the transmitting / receiving unit 21.

More specifically, the transmission / reception unit 21 has an antenna 26 and a demultiplexer 27, and the reception processing unit 22 demodulates a TDMA receiver 28 that generates a baseband signal based on the received signal and a baseband signal. A TDMA demodulator 29 for generating a digital data sequence by
Is a reception data processing unit 30 that analyzes data based on the demodulated digital data sequence, a transmission data processing unit 31 that processes transmission data sent from the operation unit 20,
The operation unit 20 includes a user interface processing unit 32 that controls each user interface of the operation unit 20, and the operation unit 20 serves as a user interface and displays a speaker 33, a microphone 35, and a display unit 37 that indicates that the wireless base station 12 is in a busy state. It has an operation panel 34 provided with.

[0008]

However, in the above-mentioned conventional mobile telephone terminal 2, the radio base station 1 in the busy state is used.
2, when the user of the terminal 2 presses the “SND” button (call button) on the operation panel 34 to make an emergency call by the overlap-dialing method, the display unit 37
It is only displayed that the wireless base station 12 is in the busy state, and the user confirms the display and the enblo
It was necessary to make an emergency call to the wireless base station 12 again by the c-dialing method. for that reason,
There was a problem that it was difficult to connect to the wireless base station 12 even though it was desired to make an emergency call as soon as possible. In addition, the user has to learn two types of dial transmission methods in order to make an emergency call, which is disadvantageous in that it is complicated.

The present invention has been made to solve the above-mentioned problems, and a user of a mobile telephone terminal is overlapped.
Even if an emergency call is made to a wireless base station in the busy state by the -dialing method, the enbloc-diali is automatically
It is an object of the present invention to provide a mobile communication device capable of making an emergency call to a wireless base station by the ng method.

[0010]

In order to achieve the above object, the mobile communication device according to the present invention has a radio base station of a bu.
The user of the mobile phone terminal is overlapped in the sy state.
-When an emergency call is made by the dialing method, the emergency call processing unit determines that the wireless base station is in the busy state, generates a dialing tone from the speaker 70, and prompts the user to input a telephone number. It is determined that the telephone number input thereby is a number dedicated to an emergency call and the mode is automatically switched to the enbloc-dialing system to issue an emergency call to the wireless base station.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below based on the embodiment shown in the drawings. FIG. 1 is a block diagram showing an example of the configuration of a mobile telephone terminal used as a mobile station of a mobile communication device according to the present invention.

The mobile telephone terminal 4 transmits / receives a radio wave fU and receives a radio wave fD to / from a radio base station, and a reception processing unit 6 for receiving a radio wave fD received by the transmitter / receiver 5. The mobile telephone terminal 4 is provided with an operation unit 7 that serves as a man-machine interface with the user of the mobile telephone terminal 4, a transmission processing unit 8 that performs transmission processing of data to be transmitted to a radio base station, and a control unit 9. When an emergency call is made to a wireless base station in the busy state by an overlap-dialing method, a dialing tone (diali
ng tone) to prompt the user to enter a dial number, and when a telephone number dedicated to emergency calls is entered,
The processing for transmitting an emergency call to a wireless base station is performed by the enblock-dialing method.

The transmitting / receiving section 5 includes an antenna 50 and a demultiplexer 5.
1, and the radio wave fD sent from the radio base station
Is captured by the antenna 50, converted into a reception signal (RF signal) via the demultiplexer 51, and output to the reception processing unit 6. In addition, the transmission / reception unit 5 receives the transmission signal (RF signal) sent from the transmission processing unit 8 by the demultiplexer 51 and receives the antenna
The radio wave fU is transmitted to the radio base station via 0.

The reception processing unit 6 receives a reception signal sent from the transmission / reception unit 5, performs reception processing of a designated time slot portion in the reception signal, and generates a baseband signal, and a TDMA receiver 61. , TDMA receiver 6
The TDMA demodulator 62 which receives the baseband signal output from 1 to demodulate it to generate a digital data string signal and outputs the signal to the control unit 9 is provided.

The operation unit 7 is connected to the control unit 9 and outputs the voice of the other party and various signal sounds to the speaker 7.
0, a user-operable operation panel 71 and a microphone 72 to which the user's voice is input. The operation panel 71 is provided with buttons 73 for inputting various settings and telephone numbers and a display section 74 for displaying various information. On the display unit 74, a display indicating the status of the wireless base station, that is, the busy status or the empty channel that can be connected is displayed.

The transmission processing unit 8 receives the transmission data input from the operation panel 71 and the microphone 72 of the operation unit 7 and transmitted via the control unit 9, and converts the received data into a transmission signal (RF signal). A TDMA transmitter 80 for converting and outputting to the demultiplexer 51 of the transmitting / receiving unit 5 is provided.

The control unit 9 controls the TD of the reception processing unit 6.
Reception data processing unit 9 that receives the digital data string signal sent from the MA demodulator 62 and analyzes the data.
1, a transmission data processing unit 93 that outputs transmission data to the TDMA transmitter 80 of the transmission processing unit 8, a reception data processing unit 91, and an operation unit provided between the transmission data processing unit 93 and the operation unit 7. 7, a user interface processing unit 92 that controls each user interface, an emergency call processing unit 90 that appropriately selects an emergency call origination process, and a dialing tone or a busy tone when the emergency call origination process is executed. A dialing tone / busy tone generating section (hereinafter abbreviated as DT / BT generating section) 94 which is appropriately generated from

For example, when the emergency call transmission process from the mobile telephone terminal 4 to the radio base station is being executed, the reception data processing unit 91 outputs the user information to the user interface processing unit 92 and also performs the emergency call process. The unit 90 outputs information indicating whether the wireless base station is in a busy state or a state in which there is an available empty channel (hereinafter, referred to as current state information of the wireless base station).

The emergency call processing unit 90 is a reception data processing unit 9
1, the current status information of the wireless base station, the calling telephone number input from the operation panel 71 and the calling method (ov) sent from the user interface processing unit 92.
erlap-dialing call or enbloc-
The emergency call processing is executed based on the dialing data). The emergency call processing unit 90 also outputs a dialing tone or busy tone generation request signal to the user interface processing unit 92. Further, the emergency call processing unit 90 outputs the data of the calling telephone number to the transmission data processing unit 93.

The user interface processing section 92 outputs the data of the calling telephone number and the calling method to the emergency call processing section 90. In addition, the user interface processing unit 92
Is based on the user information sent from the reception data processing unit 91 and the dialing tone or busy tone generation request signal sent from the emergency call processing unit 90.
A timing control signal for generating a dialing tone or a busy tone is output to the / BT generator 94.

The DT / BT generating unit 94 generates a dialing tone signal or a busy tone signal based on the timing control signal for generating the dialing tone or busy tone sent from the user interface processing unit 92, and outputs it to the speaker 70. To do. When the dialing tone signal or the busy tone signal is input to the speaker 70, the speaker 70 generates the dialing tone or the busy tone.

The transmission data processing unit 93 outputs to the TDMA transmitter 80, based on the data such as voice sent from the user interface processing unit 92 and the data of the calling telephone number sent from the emergency call processing unit 90. Generate the transmission data.

FIG. 2 is a block diagram showing an example of the configuration of the emergency call processing unit 90. The emergency call processing unit 90, for example, determines whether the current state of the wireless base station is a busy state or a state in which there is an empty channel.
0, a telephone number data buffer 191, which stores a telephone number input from the operation panel 71, a read-only memory (ROM) 192, which stores a telephone number dedicated to an emergency call, and a random access memory (RAM199, to which a mobile station belongs) When there is a number dedicated to emergency calls in the service area, the alternate emergency call number acquisition unit 200 stores the unique number while the mobile station is in the service area. The input telephone number is dedicated to emergency calls. An emergency call telephone number determination unit 193 that determines whether or not it is a telephone number, a signal requesting a calling process by an emergency call calling processing protocol that can be used only in the case of an emergency call (hereinafter referred to as an emergency call calling request signal) An emergency call transmission request signal generation unit 194 for generating a call, a signal for requesting transmission processing by a normal transmission processing protocol (hereinafter referred to as a normal transmission request signal). Referred to as a dialing tone generation request signal generation unit 196 that generates a signal requesting generation of a dialing tone (hereinafter referred to as a dialing tone generation request signal). A busy tone generation request signal generation unit 197 for generating a signal for requesting generation of a busy tone (hereinafter referred to as a busy tone generation request signal) and an arithmetic processing unit (CPU) 198 are provided.

In the alternative emergency call number acquisition unit 200, for example, a telephone number dedicated to emergency calls is "911" in the United States, but in an area where an alternative number other than "911" is set as a telephone number dedicated to emergency calls. Yes, the alternative number is acquired by a notification message sent from the wireless base station.
The obtained alternative number is sent to and stored in the RAM 199.

The radio base station status judging unit 190 judges whether the radio base station is in the busy state or the state in which there is an empty channel, based on the present state information of the radio base station sent from the reception data processing unit 91. And the result is
Output to 198.

The emergency call telephone number determination unit 193 stores the telephone number input by the user in the telephone number data buffer 19.
ROM192 and RAM199 while reading from 1
Read out the telephone number dedicated to the emergency call, compare them to determine if they match, and then use the determination result in the CPU
Output to 198.

The CPU 198 is a radio base station status judgment unit 1
If the wireless base station is in the busy state based on the determination result of the wireless base station status sent from 90, the control signal is output to the dialing tone generation request signal generation unit 196. As a result, a dialing tone generation request signal is output from the dialing tone generation request signal generation unit 196 to the user interface processing unit 92, and DT / BT is output.
The dialing tone is output from the speaker 70 via the generating unit 94. On the other hand, if the wireless base station has an empty channel, the CPU 198 outputs a control signal to the normal transmission request signal generation unit 195. As a result, the normal transmission request signal generation unit 195 outputs the normal transmission request signal to the transmission data processing unit 93, and the transmission processing to the wireless base station is performed by the normal transmission processing protocol. In this case, after being connected to the wireless base station, the dialing tone sent from the wireless base station prompts the user to input a telephone number, and then inputs the telephone number.

Further, the CPU 198 controls the emergency call transmission request signal generation unit 194 based on the determination result sent from the emergency call telephone number determination unit 193 if the input telephone number is a number dedicated to the emergency call. Output a signal. As a result, the emergency call transmission request signal generation unit 194 outputs the emergency call transmission request signal to the transmission data processing unit 93, and the transmission processing to the wireless base station is performed by the emergency call transmission processing protocol. At that time, the telephone number is notified from the telephone number data buffer 191 to the transmission data processing unit 93 based on the control signal output from the CPU 198. On the other hand, if the telephone number is not a dedicated emergency call number, the CPU 198 outputs a control signal to the busy tone generation request signal generation unit 197. Accordingly, the busy tone generation request signal generation unit 1
A busy tone generation request signal is output from 97 to the user interface processing unit 92, and a busy tone is output from the speaker 70 via the DT / BT generation unit 94.

The CPU 198 is supplied with data relating to the calling method adopted by the user from the user interface processing section 92. That is, when the user inputs the telephone number in advance and then presses the "SND" button, the CPU 198 immediately causes the enbloc-dialin.
The transmission data processing unit 93 is controlled so as to make an emergency call by calling g.

Next, the flow of the emergency call originating process will be described. FIG. 3 is a flowchart showing an example of the emergency call originating process.

When the mobile telephone terminal 4 is turned on and switched from the off state to the on state, the mobile telephone terminal 4 enters the standby state for incoming calls (step S1).

In that state, "SND" of the mobile telephone terminal 4
When the button is pressed (step S2), the emergency call processing unit 9
In 0, the wireless base station status determination unit 190 determines whether the wireless base station is in the busy state (step S3). When the wireless base station is in the busy state, the emergency call transmission processing unit 90 does not perform the transmission processing to the wireless base station, and the dialing tone generation request signal generation unit 196 sends the dialing tone to the user interface processing unit 92. While outputting a generation request signal and causing the speaker 70 to generate a dialing tone via the DT / BT generation unit 94 (step S4), a telephone number input waiting state is entered.
The generation of this dialing tone prompts the user to input the telephone number, and operates the button 73 on the operation panel 71 to input the telephone number (step S5).

When the telephone number is input, the emergency call processing unit 9
In 0, the emergency call telephone number determination unit 193 determines whether or not the telephone number input in step S5 is a telephone number dedicated to an emergency call (step S6). When the input telephone number is a telephone number dedicated to an emergency call, the emergency call processing unit 90 outputs an emergency call transmission request signal from the emergency call transmission request signal generation unit 194 to the transmission data processing unit 93 and en
The call is transmitted by the emergency call transmission processing protocol by the block-dialing transmission (step S7). As a result, the mobile station is connected to the wireless base station and can make a call (step S8). When the call ends and the line is disconnected (step S9), the standby state of step S1 is restored.

If the wireless base station has an empty channel in step S3, the process proceeds to step S8, and the overlap is performed.
-The mobile station is connected to the radio base station by the normal transmission processing protocol by dialing transmission, and the call becomes possible.

In step S6, when the telephone number input by the user is not the telephone number dedicated to the emergency call, the emergency call processing unit 90 causes the busy tone generation request signal generation unit 197.
Outputs a busy tone generation request signal to the user interface processing unit 92 and causes the speaker 70 to generate a busy tone through the DT / BT generating unit 94 (step S10). As a result, the wireless base station is
Notify that it is in the y state and cannot be connected. After the process is completed (step S9), the standby state of step S1 is restored.

According to the above embodiment, the radio base station is bu.
In the sy state, the user of the mobile telephone terminal 4 is overla
When an emergency call is originated by the p-dialing method, the emergency call processing unit 90 determines that the wireless base station is in the busy state, generates a dialing tone from the speaker 70, and inputs the telephone number to the user. , It is determined that the telephone number entered is a number dedicated to an emergency call, and the system automatically switches to the enbloc-dialing system to make an emergency call to the wireless base station. An emergency call can be transmitted to the wireless base station in the busy state also by transmitting the dialing. Therefore, the user is enbloc-diali
It is possible to make an emergency call to a wireless base station in a busy state by both ng transmission and overlap-dialing transmission, so the trouble of learning both transmission methods and using different transmission methods as needed is eliminated. It

Needless to say, the emergency call processing unit 90 is not limited to the configuration of the above-described embodiment, and various design changes are possible.

[0038]

According to the present invention, the user can enblo
c-dialing transmission and overlap-diali
Since it is possible to make an emergency call to a wireless base station in a busy state by any of the ng transmissions, it is possible to eliminate the hassle of learning both transmission methods and selectively using the transmission methods as required, as in the past. It

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration example of a mobile telephone terminal used as a mobile station of a mobile communication device according to the present invention.

FIG. 2 is a block diagram showing a configuration example of an emergency call processing unit of the mobile telephone terminal.

FIG. 3 is a flowchart showing an example of an emergency call originating process in the mobile communication device according to the present invention.

FIG. 4 is a schematic diagram of a general mobile communication system.

FIG. 5 is a block diagram of a configuration of a mobile telephone terminal used as a mobile station of a conventional mobile communication device.

[Explanation of symbols]

4 Mobile Telephone Terminal (Mobile Station) 5 Transmitter / Receiver 6 Reception Processor 7 Operation Unit 8 Transmission Processor 9 Controller 12 Radio Base Station 13, 14, 15, 16 Mobile Station 70 Speaker 71 Operation Panel 90 Emergency Call Processor 94 DT / BT (die ring tone / busy tone)
Generation unit 193 Emergency call telephone number determination unit

Claims (4)

[Claims] 1. A mobile communication device comprising a wireless base station and a mobile station capable of bidirectional communication, wherein the terminal of the mobile station is connected to the wireless base station when there is no available empty channel. When the call button of the terminal is pressed without inputting the other party's telephone number, waiting for the other party's telephone number to be entered, and when the other party's telephone number is entered, the outgoing call process to the wireless base station is performed. A mobile communication device comprising an emergency call processing unit. 2. The terminal of the mobile station has a dialing tone generation unit for generating a dialing tone from a speaker of the terminal while waiting for the destination telephone number to be input. The mobile communication device according to claim 1. 3. The terminal of the mobile station has an emergency call telephone number determination unit that determines that the input destination telephone number is a number dedicated to an emergency call. The mobile communication device according to 1 or 2. 4. The terminal of the mobile station has a busy tone generation unit for generating a busy tone from the speaker of the terminal when the input destination telephone number is not an emergency call dedicated number. The mobile communication device according to claim 3.