JPH06292253A - Portable telephone system - Google Patents

Abstract

PURPOSE:To obtain a portable telephone system capable of transmitting a message from an exchange station to a portable telephone set without use of a voice. CONSTITUTION:An exchange station 3 commands a slot to a base station 2 by an exchange station control section 212 and provides an output of a character message from a message input section 214 to the base station 2 via the exchange station control section 212. The base station 2 multiplexes the character message from the exchange station 3 on a commanded slot and transmits the result to a portable telephone set 1. The portable telephone set 1 allows a central control section 111 to use a slow changeover section 106 to select an object slot with a signal from the base station 2 and displays the character message obtained from the slot on a display section 115 via the central control section 111.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile telephone device for sending a message from a switching center to a mobile telephone.

[0002]

2. Description of the Related Art In recent years, mobile phone devices have become popular. Hereinafter, a conventional mobile phone device will be described with reference to the drawings.

FIG. 8 shows a conventional TDMA / TDD (Time).
Division Multiple Access
FIG. 7 is a block diagram showing a configuration of a mobile phone 7 of a digital wireless mobile phone device of a / Time Division Duplex) system, in which 701 is an antenna for transmitting and receiving radio signals to and from the base station 8, and 702 is a radio signal from the base station 8. A receiver for receiving and demodulating into a multiplexed digital signal,
Reference numeral 703 is a demultiplexing unit that separates the multiplexed digital signal into signals of respective slots, 704 is a multiplexing unit that multiplexes the digital signals to be multiplexed into the slots selected by the slot switching unit 706, and 705 is a multiplexing unit. A transmitter that modulates the digital signal thus generated into a radio signal to the base station 70;
Reference numeral 6 denotes a slot switching unit that extracts the digital signal of the selected target slot from the separated digital signals of the respective slots, puts the digital signal to be transmitted in the selected target slot, and outputs it to the multiplexing unit 704. A voice processing unit for converting a digital signal and an analog signal for a user to talk by voice, 708 is a speaker, 709 is a microphone, 710 is a wireless control unit that determines the radio frequency, transmission / reception timing, and transmission power, and 711 is an operation. A central control unit that controls the wireless control unit 710, the slot switching unit 706, the voice processing unit 707, and the like by an operation from the unit 712, an operation unit 712 operated by the user, and 713 a call signal from the base station 8 to the user. As can be seen, it is a ringing signal generator that displays the sound signal.

FIG. 9 shows a conventional TDMA / TDD (Time).
Division Multiple Access
FIG. 2 is a block diagram showing the configurations of a base station 8 and a switching center 9 of a digital wireless mobile phone device of a / Time Division Duplex system, wherein the configurations of the base station 8 are from 801 to 809 and the configuration of the switching center 9 from 811 to 818. Indicates. In the base station 8, 801 is an antenna for exchanging wireless signals with the mobile phone 7, and 802 is a mobile phone 7.
A receiving unit for receiving the radio signal from the demodulator and demodulating it into a multiplexed digital signal, 803 a demultiplexing unit for demultiplexing the multiplexed digital signal into digital signals of respective slots, and 804 a digital signal to be multiplexed. A multiplexing unit that multiplexes the slots selected by the slot switching unit 806,
Reference numeral 805 denotes a transmitter that modulates the multiplexed digital signal into a radio signal to the mobile phone 7, and 806 extracts the digital signal of the selected target slot from the separated digital signals of the respective slots, and the digital signal to be transmitted. A slot switching unit that puts a signal into a selected target slot and outputs it to the multiplexing unit 804, 807 is a base station communication I / F unit that serves as an interface for communicating with the exchange 9 by digital signals, and 808 is a wireless Frequency, transmission / reception timing,
A radio control unit 809 that determines the transmission power receives a received signal from the slot switching unit 806, and the slot switching units 806 and 806.
A central control unit that controls the base station communication I / F unit 807 and the wireless control unit 808.

In the switching center 9, 811 is a switching center communication I / F section which serves as an interface for communicating with the base station 8 by a digital signal, and 812 is a mobile phone 7 connected to the base station 8. And a base station controller 813 for exchanging data of digital signals of the mobile phone 7 connected to another base station 8, and a position storage unit 813 for storing which base station 8 the mobile phone 7 is in the radio range of. , 816 is a microphone for inputting a voice message, 817 is a switching center voice processing unit for converting an analog signal from the microphone into a digital signal, 818
Is a voice storage unit for storing voice messages.

The operation of the conventional portable telephone device configured as described above will be described below. First, in FIG. 9, when it is desired to send information from the exchange 9 to the mobile phone 7, a voice message is input from the microphone 816, analog / digital conversion is performed by the exchange voice processing unit 817, and the voice is stored in the voice storage unit 818. accumulate. In order to send a message to the mobile phone 7, the base station 8 in which the position of the target mobile phone 7 is registered is read from the position storage unit 813, and the exchange communication I / F unit 811 sends the message to the base station 8. Send a "call request request command with call destination".

Next, in the base station 8, the central controller 809 sets in advance the radio controller 808 to the frequency used for communication with the frequency received from the exchange 9.
Further, the slot used for communication is set in the slot switching unit 806 by the same method. After the above settings are made, the unit enters the standby state. In the stand-by state, the base station communication I / F unit 80 receives the “callee request command with call destination” from the exchange 9.
7, the slot switching unit 806 places it in the corresponding slot as a “callee request command with call destination”, the multiplexing unit 804 multiplexes it into the corresponding slot, and the transmitting unit 805.
From the mobile phone 7 to the mobile phone 7 as a radio signal.

In FIG. 8, in the cellular phone 7, the receiving unit 702 receives a radio signal including the "call request command with call destination" in the standby state, and the demultiplexing unit 703 demultiplexes the data of the corresponding slot. The central control unit 711 receives the “call request command with call destination” from the slot switching unit 706. The central controller 711 activates the calling signal generator 713 to notify the user that an incoming call has been received. Next, the central control unit 711 outputs the “response command” corresponding to the “incoming call request command with call destination” to the slot switching unit 706, and the multiplexing unit 704 multiplexes the corresponding slot from the plurality of slots. Turn into. Then, the transmitter 705 responds to the base station 8 as a radio signal.

In the base station 8, the receiving unit 802 receives the radio signal including the "response command", the demultiplexing unit 803 separates the data of the corresponding slot, and the slot switching unit 80
6 outputs a “response command” to the base station communication I / F unit 807.

In the exchange 9, the "response command" from the base station 8 is received by the exchange control unit 812 via the exchange communication I / F unit 811, and the exchange control unit 812 confirms that it is calling. Detect.

When the mobile phone 7 responds to the incoming call by the operation unit 712, the "call command" is output from the central control unit 711 to the slot switching unit 706, and the multiplexing unit 704 is used for the corresponding slot among the plurality of slots. Multiplex. Then, the transmitter 705 responds to the base station 8 as a radio signal.

In the base station 8, the receiving unit 802 receives the radio signal including the "call command", the demultiplexing unit 803 separates the data of the corresponding slot, and the slot switching unit 80
6 outputs a “call command” to the base station communication I / F unit 807.

In the exchange station 9, the exchange station control unit 812 receives the "call command" from the base station 8 via the exchange station communication I / F unit 811, and the exchange station control unit 812 receives the voice storage unit 8.
The voice data of 18 is output from the exchange communication I / F unit 811 to the base station 8.

The base station 8 receives the digital signal carrying the voice signal from the exchange 9 with the base station communication I / F section 807 in a call state and receives it, and the slot switching section 806 receives it in the corresponding slot as voice data. The digital signal carrying the audio signal is transmitted from the transmitting unit 805 to the mobile phone 7 as a radio signal.

In the mobile phone 7, when the voice data is received, the central control unit 711 activates the voice processing unit 707, converts the voice data coming from the slot switching unit 706 through the base station 8 from digital to analog, and outputs it to the speaker. 70
It will be output from 8 and you will be able to listen to voice messages. Also, the voice signal input from the microphone 709 is converted from analog to digital by the voice processing unit 707, and the slot switching unit 7
Then, the signal is output to 06 and is multiplexed in a corresponding slot of the plurality of slots by the multiplexing unit 704, and the transmission unit 705 responds to the base station 8 as a radio signal.

[0016]

However, in the above-mentioned conventional portable telephone device, when viewed from the user side of the portable telephone device 7, information from the exchange 9 after the call from the exchange 9 is answered. Is received as a voice message, the user of the mobile phone 7 cannot immediately recognize the information. Alternatively, since the information must be obtained by answering the call from the exchange 9 and listening to the information from the exchange 9 by voice, it is necessary to listen to the voice containing the information to recognize the information. There is a problem that it has to perform a time-consuming operation.

From the side of the switching center 9, when a message is transmitted, the procedure is the same as that for a call, so that the message cannot be transmitted to a plurality of mobile telephones 7 at the same time, and the wireless resource is called as a call. It has the problem of using the same amount.

The present invention solves the above problems and allows a user to listen to a call from the exchange 9 without using a "call command" for making a voice call. It is an object of the present invention to provide a mobile phone device capable of transmitting information from the exchange station 9 without using it.

[0019]

According to the portable telephone device of the present invention, a mobile telephone makes a call through a base station which is centrally controlled by an exchange station, and a message from the exchange station is transmitted from the exchange station to the base station. In a TDMA type mobile phone device that multiplexes into a specified slot and sends out to the mobile phone, the exchange station has a message input section for inputting a text message and an exchange station for storing the text message in the message input section. A message storage unit, a slot designation for the base station, and a switching center control unit for controlling the output of the text message of the switching center message storage unit to the base station are provided. A mobile phone slot that selects a slot in which the text message is multiplexed and switches the output destination of the text message in the slot and the call signal. Switch unit, a mobile phone message storage unit that stores the text message from the mobile phone slot switching unit, a display unit that displays the text message in the mobile phone message storage unit, and a display unit that displays the text message from the mobile phone slot switching unit. The mobile phone central control unit for controlling the display of the text message on the display unit is provided, and the text message from the exchange is configured to be displayed on the mobile phone via the base station.

[0020]

According to the structure of the present invention, the switching center, under the control of the switching center control unit, designates the slot to the base station and instructs the slot to be used for communication, and the character message input from the message input unit. Is output to the base station via the exchange control unit. The base station multiplexes the text message from the exchange to the slot designated by the exchange and sends it to the mobile phone. The mobile phone receives the signal from the base station, and under the control of the mobile phone central control unit, the mobile phone slot switching unit selects the slot in which the text message is multiplexed, and the text message obtained from this slot is selected. Display on the display unit via the mobile phone central control unit,
Communicate text messages to users of mobile phones.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. TDMA / TD of this embodiment
A D-type digital wireless mobile phone device is configured as shown in FIG. Here, the mobile phone 1 is configured as shown in FIG. 2, 101 is an antenna for transmitting and receiving radio signals to and from the base station 2, 102 is a digital signal which receives radio signals from the base station 2 and is multiplexed. A receiving unit for demodulating into a signal, 10
3 is a demultiplexing unit for demultiplexing the multiplexed digital signal into signals of respective slots, 104 is a multiplexing unit for multiplexing the digital signal to be multiplexed into the slot selected by the slot switching unit 106, and 105 is multiplexing The transmitting unit 106 modulates the generated digital signal into a radio signal to the base station 2, 106 extracts the digital signal of the selected target slot from the separated digital signals of the respective slots, and selects the digital signal to be transmitted. A mobile phone slot switching unit (hereinafter, simply referred to as a slot switching unit) which is put in a slot of and is output to the multiplexing unit 104, 107 is a voice for converting a digital signal and an analog signal for the user to have a voice conversation. A processing unit, 108 is a speaker, 109 is a microphone, and 110 is a wireless control that determines the wireless frequency, transmission / reception timing, and transmission power. Parts, 111 wireless control unit 110 by the operation from the operation unit 112, the slot switching unit 106,
A mobile phone central control unit (hereinafter, simply referred to as a central control unit) for controlling the voice processing unit 107 and the like, 112 is an operation unit operated by a user, and 113 is a user so that the user can recognize a call signal from the base station 2. Ring signal generator that displays by sound signal, 1
Reference numeral 14 denotes a mobile phone message storage unit (hereinafter, simply referred to as a message storage unit) for storing a text message from the base station 2, and reference numeral 115 denotes a display unit for displaying characters so that the user can understand.

FIG. 3 is a block diagram showing the configurations of the base station 2 and the exchange station 3, and 201 to 209 show the configuration of the base station 2 and 211 to 215 show the configuration of the exchange station 3. In the base station 2, 201 is an antenna for transmitting and receiving radio signals to and from the mobile phone 1, 202 is a receiving unit for receiving the radio signal from the mobile phone 1 and demodulating it into a multiplexed digital signal, and 203 is a multiplexing unit. The demultiplexing unit that demultiplexes the converted digital signal into the digital signals of the respective slots, 204 is the multiplexing unit that multiplexes the digital signal to be multiplexed into the slot selected by the slot switching unit 206, and 205 is the multiplexed A transmitter 206 for modulating a digital signal into a radio signal to the mobile phone 1, 206 extracts the digital signal of the selected target slot from the separated digital signals of the respective slots, and selects the digital signal to be transmitted. A slot switching unit that puts it in a slot and outputs it to the multiplexing unit 204. Reference numeral 207 denotes an interface for communicating with the exchange 3 by a digital signal. Base station communication I / F section that performs Esu, 2
Reference numeral 08 denotes a radio control unit that determines the radio frequency, transmission / reception timing, and transmission power. Reference numeral 209 indicates a slot switching unit 206, base station communication I / O by a received signal from the slot switching unit 206.
A central control unit that controls the F unit 207 and the wireless control unit 208.

In the switching center 3, 211 is a switching center communication I / F section that interfaces with the base station 2 for digital signal communication, and 212 is the mobile telephone 1 and other devices connected to the base station 2. Switch station controller 213 for exchanging data of digital signals of the mobile phone 1 connected to the base station 2, a position storage unit 213 for storing which base station 2 the mobile phone 1 is in the radio range of, 214 Is a message input unit 215 for inputting a text message from the exchange 3.
Is an exchange message storage unit (hereinafter, simply referred to as a message storage unit) for storing a text message.

The operation of the digital portable telephone device configured as described above will be described below. First, in FIG. 3, when it is desired to send information from the exchange 3 to the mobile phone 1, a text message is input from the message input unit 214 and stored in the message storage unit 215. In order to send a message to the mobile phone 1, the position storage unit 213 stores the base station 2 in which the position of the target mobile phone 1 is registered.
Read from the exchange station communication I / F unit 211 to the base station 2
In response, a "call request request command with call destination" is transmitted.

Next, in the base station 2, the central control unit 209 sets the frequency used for communication in advance to the radio control unit 208 with the frequency received from the exchange 3.
Further, the slot used for communication is set in the slot switching unit 206 in the same manner. After the above settings are made, the unit enters the standby state. In the stand-by state, the base station communication I / F unit 20 receives the “callee request command with call destination” from the exchange 3.
7, the slot switching unit 206 places it in a corresponding slot as a “call request command with call destination”, the multiplexing unit 204 multiplexes the corresponding slot, and the transmitting unit 205
The mobile phone 1 is divided into several groups as radio signals to the mobile phone 1 and transmitted to the corresponding slots as shown in FIG.

In FIG. 2, in the mobile phone 1, in the standby state, the receiving unit 102 receives a radio signal including the "call request command with call destination", and the demultiplexing unit 103 demultiplexes the data of the corresponding slot. Then, the central switching unit 106 receives the “call request command with call destination” from the slot switching unit 106. The central control unit 111 activates the calling signal generation unit 113 to notify the user that an incoming call has arrived. next,
The "response command" corresponding to the "call request command with call destination" is output from the central control unit 111 to the slot switching unit 106, and the multiplexing unit 104 multiplexes the corresponding slot from the plurality of slots. Then, the transmitter 105 responds to the base station 2 as a radio signal.

In the base station 2, the receiving unit 202 receives the radio signal including the "response command", the demultiplexing unit 203 separates the data of the corresponding slot, and the slot switching unit 20.
6 outputs a “response command” to the base station communication I / F unit 207.

In the switching center 3, the "response command" from the base station 2 is received by the switching center controller 212 via the switching center communication I / F unit 211, and the switching center controller 212 confirms that it is calling. Detect.

Further, in the exchange 3, the exchange control unit 21
2 outputs the text message in the message storage unit 215 from the exchange communication I / F unit 211 to the base station 2. Base station 2
Then, the text message from the exchange 3 is sent to the base station communication I /
The F section 207 receives it, puts it as a character message from the slot switching section 206 in the corresponding slot, and the multiplexing section 2
In 04, the corresponding slot is multiplexed and transmitted from the transmitting unit 205 to the mobile phone 1 as a radio signal.

The mobile telephone 1 receives the text message, stores the text message from the slot switching unit 106 through the central control unit 111 in the message storage unit 114, and displays it on the display unit 115 as shown in FIG. As a result, the text message from the exchange 3 can be surely transmitted.

In the above embodiment, since the radio wave can only reach from the base station 2 in one direction, the character information is transmitted when the radio wave does not reach at all, or when the power is off. It has a problem that it can not be done. On the other hand, in the mobile phone 1, as shown in FIG. 7, when the mobile phone 1 goes out of the range of the radio wave of the base station 2a and moves to the range of the radio wave of the base station 2b,
The "location registration" operation to the base station 2b is performed with the exchange 3 and its location is the location storage unit 21 in FIG.
3 is stored. At this time, by sending the text message to the mobile phone 1, the text message that may not have been carried out in the above-described embodiment is transmitted, and the text message can be surely transmitted.

In each of the above-described embodiments, the character message is transmitted after the mobile telephone 1 responds to the call from the exchange 3, and the character message is transmitted reliably. However, in order to enable transmission of text messages in a wider range, the output of the transmission radio wave from the base station 2 to the mobile phone 1 is made larger than the output of the transmission radio wave from the mobile phone 1 to the base station 2. As a result, as shown in FIG. 6, in the range 1, two-way communication with the base station 2 and the mobile phone 1 is possible, but in the range 2, radio waves are transmitted only from the base station 2 to the mobile phone 1. Although it does not reach, the range of radio waves will be expanded. In this case, by transmitting the following character message, the character message can be transmitted to the mobile phone 1 over a wide range. The operation will be described below.

First, when it is desired to send information from the exchange 3 to the portable telephone 1 in FIG. 3, a text message is input from the message input unit 214 and stored in the message storage unit 215. In order to send a message to the mobile phone 1, the base station 2 in which the position of the target mobile phone 1 is registered is read from the position storage unit 213, and the exchange communication I
The / F unit 211 transmits a "callee-addressed character message" to the base station 2.

Next, in the base station 2, the central control unit 209 sets the frequency used for the communication received from the exchange 3 in advance to the radio control unit 208. In addition, the slot switching unit 206 sets the slot used for communication. After the above settings are made, the unit enters the standby state. In the standby state, the base station communication I / F unit 207 receives the “character message with call destination” from the exchange 3 and the slot switching unit 20
6 to “Character message with call destination”, placed in the corresponding slot, multiplexed in the corresponding slot in the multiplexing unit 204, and transmitted from the transmitting unit 205 to the mobile phone 1 as a radio signal to a mobile phone as shown in FIG. The device 1 is divided into several groups and transmitted to the corresponding slots.

In FIG. 2, in the mobile phone 1, the receiving unit 102 receives a wireless signal including a "character message with call destination" in the standby state, and the demultiplexing unit 103 separates the data of the corresponding slot. The central control unit 111 receives the “callee-addressed character message” from the slot switching unit 106. By storing the character data from the central control unit 111 in the message storage unit 114 and displaying it on the display unit 115, the character message from the exchange 3 can be surely transmitted. In this embodiment, not one mobile phone 1 as a call destination, but a callee number is set to a special value to target all mobile phones 1, so that the radio wave can reach from the base station 2. The same text message can be transmitted to all mobile phones 1.

[0036]

As described above, according to the structure of claim 1,
A text message from the exchange to the mobile phone can be immediately displayed on the display unit of the mobile phone, and the message can be transmitted just by looking at the text without requiring a listening operation such as voice.

According to the configuration of claim 2, even if the response operation of the portable telephone is delayed in time, it is possible to reliably transmit the text message.

[Brief description of drawings]

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

FIG. 2 is a block diagram showing the configuration of the mobile phone of the embodiment.

FIG. 3 is a block diagram showing configurations of a base station and a switching center according to the embodiment.

FIG. 4 is a schematic diagram of communication by the TDMA / TDD system of the same embodiment.

FIG. 5 is a display example of a text message on the mobile phone of the embodiment.

FIG. 6 is an explanatory diagram of the reach of radio waves according to another embodiment.

FIG. 7 is an explanatory diagram of location registration according to another embodiment.

FIG. 8 is a block diagram showing a configuration of a conventional mobile phone.

FIG. 9 is a block diagram showing the configurations of a conventional base station and exchange station.

[Explanation of symbols]

1 Mobile Phone 2 Base Station 3 Switching Office 106 Slot Switching Unit (Mobile Phone Slot Switching Unit) 111 Central Control Unit (Mobile Phone Central Control Unit) 114 Message Storage Unit (Mobile Phone Message Storage Unit) 115 Display Unit 212 Exchange Station Control Part 214 Message input part 215 Message storage part (Exchange message storage part)

Claims (3)

[Claims] 1. A mobile telephone is used for making a call through a mobile telephone via a base station that is centrally controlled by the exchange, and a message from the exchange is multiplexed into a slot designated by the exchange at the base. In the TDMA-type mobile telephone device for sending to a mobile station, the exchange has a message input section for inputting a text message, an exchange station message storage section for storing the text message in the message input section, and a slot designation for the base station. , A switching center control unit for controlling the output of the text message of the switching center message storage unit to the base station, and a slot in which the text message is multiplexed in the base station is selected for the mobile phone. ,
A mobile phone slot switching unit that switches the output destination of the slot text message and the call signal, a mobile phone message storage unit that stores the text message from the mobile phone slot switching unit, and the mobile phone message storage unit A display unit that displays a text message and a mobile phone central control unit that controls the display of the text message from the mobile phone slot switching unit to the display unit are provided, and the text message from the exchange is transmitted via the base station. A mobile phone device configured to display on a mobile phone. 2. The mobile phone device according to claim 1, wherein the exchange is configured to output a text message when the mobile phone has registered its location. 3. The mobile phone device according to claim 1, wherein the output of the base station is larger than the output of the mobile phone.