JPH06276147A - Radio telephone system - Google Patents

Abstract

PURPOSE:To enable communicating data while executing a call by means of a single radio telephone system by assigning plural TDMA slots to the call and data communication. CONSTITUTION:When a calling operation is executed from a slave set through the use of an operating part 12, a central control part 111 decides a frequency and slot to be used by a previously decided means and sets the frequency and transmission electric power in a radio control part 110. The setting of the applying slot is executed in a slot change-over part 106 and a voice pass is controlled by a voice processing part 107. Then, the control part 111 transmits a calling request command to a master set from the change-over part 106, the change-over part 106 puts data on the designated slot and the calling request command is transmitted from a transmitting part 105 to the master set. When a personal computer, etc., executes the calling operation through a data communication interface part 114, the control part 111 sets the applying slot to the change-over part 106 in the same way, puts data on the designated slot and transmits the calling request command to the master set.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless telephone device which can use a plurality of telephone lines.

[0002]

2. Description of the Related Art In recent years, wireless telephone devices have become widely used. In addition, data communication with personal computers has become popular.

A conventional radio telephone device will be described below with reference to the drawings. FIG. 4 shows a conventional TDMA / TD
D (Time Division Multiple)
Access / Time Division Dupl
FIG. 4 is a block diagram showing a configuration of an ex) type digital wireless telephone device slave unit. In FIG. 4, reference numeral 401 denotes an antenna for transmitting / receiving a wireless signal to / from a master unit, and 402 denotes a wireless signal from the master unit, A receiving unit 403 for demodulating the converted digital signal, a demultiplexing unit 403 for extracting the signal of each slot from the multiplexed digital signal, and a digital demultiplexer 404 for multiplexing the digital signal of each slot from the slot switching unit 406. A multiplexing unit for multiplexing the signal, a transmission unit 405 for modulating the multiplexed digital signal into a radio signal to the master unit, and a reference numeral 406 for a slot designated by the central control unit 411 from the received multiplexed data. The data is extracted and output to the voice processing unit 407, and the data to be transmitted is put into the slot designated by the central control unit 411 and output to the multiplexing unit 404. A lot switching unit, 407 is a voice processing unit for converting digital data and analog data for a voice conversation with a user, 408 is a speaker, 409 is a microphone, 410 is a radio frequency, transmission / reception timing, and transmission power. The wireless control unit 411 for determining the wireless communication control unit 411 controls the wireless control unit 410, the slot switching unit 406, and the voice control unit 407 by the operation of the operation unit 412, and the central control unit 412 is an operation unit operated by the user.

FIG. 5 is a block diagram showing a configuration of a conventional master unit of a digital wireless telephone device. In FIG.
Is an antenna for transmitting / receiving a wireless signal to / from a slave unit, 502 is a receiving unit for receiving a wireless signal from the slave unit and demodulating into a multiplexed digital signal, and 503 is a slot for each slot from the multiplexed digital signal. A demultiplexing unit for extracting a signal, 50
Reference numeral 4 denotes a multiplexing unit that multiplexes the digital signals of the respective slots from the slot switching unit 506 into a digital signal to be multiplexed, 505 denotes a transmission unit that modulates the multiplexed digital signal into a wireless signal to the slave unit, and 506. Extracts the data of the slot designated by the central control unit 511 from the received multiplexed data and outputs it to the voice processing unit 507, and puts the data to be transmitted in the slot designated by the central control unit 511 and multiplexes it. A slot switching unit for outputting to the unit 504, 50
Reference numeral 7 denotes a line I / F unit for converting digital data and analog data for a voice conversation with a user and interfacing with a public line. Reference numeral 510 denotes a wireless control unit that determines a wireless frequency, transmission / reception timing, and transmission power. Reference numeral 511 denotes a central control unit that controls the radio control unit 510, the slot switching unit 506, and the voice control unit 507 according to the received signal from the slot switching unit 506.

With respect to the conventional digital radiotelephone device including the above components, the relationship and operation of the components will be described below. FIG. 6 shows an outline of data communication between the master unit and the slave unit. In FIG. 6, data communication from the master unit to the slave unit is performed using the downlink slot. Data communication from the child device to the parent device is performed using the upstream slot.
Among these, an example in which the slot 1 shown by the hatched portion is used for communication between the parent and child is shown. In actual communication, N slots are repeated in the upward direction and N slots are repeated in the downward direction, and one of these slots is used for communication.

First, in FIG. 4, from the slave unit to the operation unit 412.
When a calling operation is performed by using, the central control unit 411 determines the frequency and slot to be used for communication by a predetermined means, and sets the frequency and transmission power in the wireless control unit 410. In this conventional example, the slot 1 is set as shown in FIG. Further, the slot corresponding to the slot switching unit 406 is set. The voice processing unit 407 sets the control of the voice path. Next, the central control unit 411 issues a call request command from the slot switching unit 406 to the master unit, the slot switching unit 406 puts data in the designated slot, and the transmitting unit 405 sends a "call request" to the master unit. Send the command.

Next, in FIG. 5, in the base unit, when the power is turned on, the frequency and slot to be used for communication are determined from the central control unit 512 by a predetermined means, and the radio control unit 510.
Set the frequency to. Further, the slot corresponding to the slot switching unit 506 is set. After the above settings are made, the unit enters the standby state. In the standby state, the receiving unit 502 receives a radio signal including the "call request command" from the slave unit, the demultiplexing unit 503 separates the digital signal into each slot, and the slot switching unit 506 generates the necessary slot data. It is taken out and passed to the central control unit 511. Central control unit 5
In 11, the frequency and slot used for transmission are determined in the wireless control unit 510 by a predetermined means, and the frequency and transmission power are set in the wireless control unit 510. Further, the slot corresponding to the slot switching unit 506 is set. Next, the "response command" corresponding to the "call request command"
From the central control unit 511 to the slot switching unit 506, and the multiplexing unit 504 multiplexes the corresponding slots among the plurality of slots. Then, the transmitter 505 responds to the child device as a wireless signal. Further, when the line I / F unit 507 is set to the call state and the voice data from the slave unit is sent from the slot switching unit 506, the voice signal from the slave unit is output to the public line and the voice signal from the public line is transmitted. It is output to the slot switching unit 506.

In the slave unit, the transmitting unit 402 receives the wireless signal including the “response command” from the parent unit in the receiving unit 402,
The demultiplexing unit 403 separates the digital data of each slot, the slot switching unit 406 extracts the data as necessary slots, and passes it to the central control unit 411. Central control unit 4
11 activates the voice processing unit 407, and the slot switching unit 4
The voice data of the public line coming from the master unit from 06 is converted from digital to analog and output from the speaker 408, and the voice signal input from the microphone 409 is converted from analog to digital and output to the slot switching unit 406, and the user and the public. You can talk on the line. To make a further call, the dialed data is output from the slot switching unit 406 of the master unit to the central control unit 511 by superimposing the data dialed by the operation unit 412 of the slave unit on the voice signal and sending it to the master unit. Then, the central control unit 511 sends a dial signal by a pulse or a DTMF tone from the line control unit 507 to the exchange, and the call origination on the public line is completed.

In the case of an incoming call, the ringer ringing signal from the public line is detected by the line I / F unit 507 of the master unit, and the slot switching unit 506 places it in the corresponding slot as a "data signal indicating a ringer signal". The multiplexing section 504 multiplexes the corresponding slots, and the transmitting section 505 transmits the multiplexed signal to the slave as a radio signal. In the slave unit, the receiving unit 402 receives a radio signal including a “data signal indicating a ringer signal” in the standby state, the demultiplexing unit 403 separates the corresponding slot, and the slot switching unit 406 sends a “ringer signal” to the central control unit 411. A data signal indicative of a signal "is received. The central control unit 411 activates the call signal generation unit 413 to notify the user that an incoming call has arrived. After that, the operation from the time when the user operates the operation unit 412 is the same as the operation for making a call, and is connected to the public line to enter the call state. However, the only difference from the calling operation is that the user does not dial, and dial data is not sent to the public line.

[0010]

However, the above-mentioned conventional radiotelephone device has a problem that there is only one communication line, and data is exchanged while making a call by data communication with a personal computer. It was not possible to exchange image information and communicate with each other. In order to do this, it is necessary to use a plurality of wireless telephone devices and separate them for communication and data communication.

An object of the present invention is to solve the above problems and to provide a radiotelephone device capable of performing data communication while talking on a single radiotelephone device.

[0012]

In order to achieve the above object, the present invention provides a TDMA / TDD (Time Divis).
Ion Multiple Access / Time
This is a digital wireless telephone apparatus of the Division Duplex system, in which a plurality of slots can be used, and each slot is assigned for call and data communication so that data communication can be performed while talking.

[0013]

With the above structure, the present invention performs transmission / reception of a call in the first slot and transmission / reception of data communication in the second slot by the timing shown by the hatched portion in FIG. As a result, one wireless telephone device can use a plurality of slots to make a call and a data communication at the same time.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows the TDMA / TDD of the present invention.
(Time Division Multiple A
access / Time Division Duplex
FIG. 2 is a block diagram showing a configuration of a digital radio telephone device slave unit of the x) system, in FIG. 1, 101 is an antenna for exchanging wireless signals with the master unit, 102 is a wireless signal from the master unit, The receiving unit 103 demodulates the converted digital signal, 103 is a demultiplexing unit that extracts the signal of each slot from the multiplexed digital signal, and 104 is the digital that multiplexes the digital signal of each slot from the slot switching unit 106. A multiplexing unit for multiplexing the signal, 105 is a transmitting unit for modulating the multiplexed digital signal into a radio signal to the master unit, and 106 is a slot designated by the central control unit 111 from the received multiplexed data. Data is extracted and output to the audio processing unit 107, and the data to be transmitted is input to the slot specified by the central control unit 111 and output to the multiplexing unit 104. A slot switching unit, 107 is a voice processing unit for converting digital data and analog data for a voice conversation with a user, 108 is a speaker, 109 is a microphone, 110 is a radio frequency, transmission / reception timing, and transmission power. A central control unit that controls the wireless control unit 110, the slot switching unit 106, and the voice control unit 107 by an operation from the operation unit 112, and 112 is an operation unit that a user operates.

FIG. 2 shows the TDMA / TDD (Tim of the present invention.
e Division Multiple Acces
FIG. 3 is a block diagram showing a configuration of a master unit of a digital wireless telephone device of the s / Time Division Duplex system. In FIG. 2, 201 is an antenna for transmitting and receiving radio signals to and from the slave unit, and 202 is a radio signal from the slave unit. A receiver for receiving and demodulating into a multiplexed digital signal, 20
Reference numeral 3 denotes a demultiplexing unit that extracts the signal of each slot from the multiplexed digital signal, and 204 denotes the slot switching unit 20.
6 is a multiplexing unit for multiplexing the digital signal of each slot into a digital signal to be multiplexed, 205 is a transmitting unit for modulating the multiplexed digital signal to a wireless signal to a slave unit, and 206 is a received multiplex The data in the slot designated by the central control unit 211 is extracted from the converted data and output to the voice processing unit 207, and the data to be transmitted is placed in the slot designated by the central control unit 211 and output to the multiplexing unit 204. A slot switching unit 207 is a line I / I for converting digital data and analog data and interfacing with a public line in order to have a voice conversation with a user.
F section, 210 is a radio control section that determines the radio frequency, transmission / reception timing, and transmission power, and 211 is the slot switching section 20.
It is a central control unit that controls the radio control unit 210, the slot switching unit 206, and the voice control unit 207 according to the received signal from the wireless communication unit 6.

With respect to the radiotelephone device constituted by the above respective constituents, the relation and operation of the respective constituents will be described below. FIG. 3 shows an outline of data communication between the master unit and the slave unit.
In FIG. 3, data communication from the master unit to the slave unit is performed using the downlink slot. Data communication from the child device to the parent device is performed using the upstream slot. Among these, an example in which the slot 1 shown by the hatched portion is used for communication between the parent and child is shown. In actual communication, N slots are repeated in the upward direction and N slots are repeated in the downward direction, and one of these slots is used for communication.

First, in FIG. 1, from the slave unit to the operation unit 112.
When a calling operation is performed by using, the central control unit 111 determines the frequency and slot used for communication by a predetermined means, and sets the frequency and transmission power in the wireless control unit 110. In this embodiment, the slot 1 is set as shown in FIG. Further, the slot corresponding to the slot switching unit 106 is set. The audio processing unit 107 controls the audio path. Next, the central control unit 111 controls the slot switching unit 106.
Issues a call request command to the master unit, the slot switching unit 106 puts data in the designated slot, and the transmitter unit 105 transmits a "call request command on the first public line" to the master unit. To do.

Next, in FIG. 2, when the power is turned on, the central control unit 211 determines the frequency and slot used for communication by a predetermined means, and the frequency is set in the radio control unit 210. In addition, the slot corresponding to the slot switching unit 206 is set. After the above settings are made, the unit enters the standby state. In the standby state, the receiving unit 202 receives a radio signal including the "call request command on the first public line" from the slave unit, separates it as digital data of each slot by the demultiplexing unit 203, and the slot switching unit 206 And take it out to the central control unit 211. The central control unit 211 determines the frequency and slot to be used for transmission in the radio control unit 210 by a predetermined means, and sets the frequency and transmission power in the radio control unit 210. In addition, the slot switching unit 20
The slot corresponding to 6 is set. Next, the "response command on the first public line" corresponding to the "call request command on the first public line" is output from the central control unit 211 to the slot switching unit 206, and corresponding to a plurality of slots. The multiplexing section 204 multiplexes the slots. Then, the transmitter 205 responds to the child device as a wireless signal. In addition, the line I / F unit 207 is set to a call state and the slot switching unit 206
When the voice data of the slave unit is sent from the slave unit, the voice signal from the slave unit is output to the first public line, and the voice signal from the first public line is output to the slot switching unit 206.

In the slave unit, the transmitting unit 102 receives the radio signal including the "response command on the first public line" from the base unit in the receiving unit 102, and the demultiplexing unit 103 separates it into digital data of each slot. Then, it is taken out by the slot switching unit 106 as necessary slot data and passed to the central control unit 111. The central control unit 111 activates the voice processing unit 107, digital-to-analog converts the voice data of the public line coming from the slot switching unit 106 through the master unit, outputs it from the speaker 108, and outputs the voice signal input from the microphone 109. The analog / digital conversion is performed and output to the slot switching unit 106 so that the user can talk on the public line.
In order to make a further call, the data dialed by the operation unit 112 of the slave unit is superimposed on the voice signal and sent to the master unit, so that the slot switching unit 206 of the master unit controls the central control unit 2.
The dial data is transmitted to 11, and the central control unit 211 sends a dial signal by a pulse or DTMF tone from the line control unit 207 to the exchange, and the call origination on the first public line is completed.

Furthermore, by connecting to a data communication interface 114 such as a personal computer, data communication in the personal computer or the like can be performed through another public line. In FIG. 1, when a personal computer or the like performs a calling operation through the data communication interface unit 114, the communication interface 114 outputs a signal for starting a calling to the central control unit 111. Central control unit 1
Reference numeral 11 determines the frequency and slot used for communication by a predetermined means, and sets the frequency and transmission power in the radio control unit 110. In this embodiment, the slot 2 is set as shown in FIG. Further, the slot corresponding to the slot switching unit 106 is set. Next, the central control unit 111
Sends a call request command on the second public line from the slot switching unit 106 to the base unit, puts data in the designated slot in the slot switching unit 106, and the transmission unit 105 sends a "second call" to the base unit. Send call request command on public line.

In FIG. 2, in the standby state, the master unit receives a radio signal including the "call request command on the second public line" from the slave unit in the receiving unit 202, and each of the demultiplexing units 203 receives it. It is separated as digital data of the slot, taken out by the slot switching unit 206, and passed to the central control unit 211. In the central control unit 211, the frequency and slot used for transmission to the wireless control unit 210 are determined by a predetermined means,
The frequency and the transmission power are set in the wireless controller 210. In addition, the slot corresponding to the slot switching unit 206 is set. Next, "call request command on the second public line"
The "response command on the second public line" corresponding to the above is issued from the central control unit 211 to the slot switching unit 206, and the multiplexing unit 204 multiplexes the corresponding slots of the plurality of slots. Then, the transmitter 205 responds to the child device as a wireless signal. In addition, when the line I / F unit 207 is set to the call state on the second public line and the data from the personal computer or the like from the slave unit is sent from the slot switching unit 206, the data signal from the slave unit is transmitted to the public line. And outputs the data signal from the public line to the slot switching unit 206.

In the slave unit, the transmitting unit 102 receives a radio signal including the "response command on the second public line" from the base unit in the receiving unit 102, and the demultiplexing unit 103 separates it as digital data of each slot. Then, it is taken out by the slot switching unit 106 and passed to the central control unit 111. Central control unit 111
Outputs the start of data communication to the data communication interface 114, and the data communication interface 114 outputs communication data to the slot switching unit 106, so that data communication with the user's personal computer or the like via the public line can be performed. To make a further call, the data communication interface 114 detects a dial command output from a personal computer or the like, superimposes dialed data on the data signal,
By sending to the base unit, dial data is transmitted from the slot switching unit 206 of the base unit to the central control unit 211, and the central control unit 211 sends a dial signal by a pulse or a DTME tone from the line control unit 207 to the exchange. Calling on the second public line is completed, and data communication is performed. As a result, data communication can be performed by making a call on the first public line using the first slot and making a call from a personal computer or the like on the second public line using the second slot while talking. .

In the case of an incoming call, the ringer ringing signal from the public line is detected by the line I / F section 207 of the base unit as in the conventional example, and the slot switching section 206 outputs a "data signal indicating a ringer signal". Place in the corresponding slot, and multiplex unit 2
In 04, the corresponding slot is multiplexed and transmitted from the transmitting unit 205 to the slave unit as a radio signal. In the slave unit, the receiving unit 102 receives the wireless signal including the “data signal indicating the ringer signal” in the standby state, and the corresponding slot is demultiplexed by the demultiplexing unit 103.
Is received by the central control unit 111 from the slot switching unit 106.
To "data signal indicating a ringer signal". The central control unit 111 activates the calling signal generation unit 113 to notify the user that an incoming call has arrived. After that, the operation from the time when the user operates the operation unit 112 is the same as the operation for making a call, and the call is connected to the public line. However, the only difference from the calling operation is that the user does not dial, and dial data is not sent to the public line.

[0024]

As is apparent from the above description of the embodiments, the present invention can use a plurality of slots, and each slot can be assigned for voice communication and data communication, so that voice communication and data communication can be performed simultaneously. It is possible to provide a wireless telephone device that can be used.

[Brief description of drawings]

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

FIG. 2 is a block diagram showing a configuration of a child device of the wireless telephone device.

FIG. 3 is a diagram showing an outline of TDMA / TDD communication of the wireless telephone device.

FIG. 4 is a block diagram showing a configuration of a slave unit of a conventional wireless telephone device.

FIG. 5 is a block diagram showing a configuration of a base unit of a conventional wireless telephone device.

FIG. 6 is a diagram showing an outline of TDMA / TDD communication of the wireless telephone device.

[Explanation of symbols]

 101, 201 Antenna 102, 202 Receiver 103, 203 Demultiplexer 104, 204 Multiplexer 105, 205 Transmitter 106, 206 Slot switch 107, Voice processor 108, Speaker 109, Microphone 110, 210 Wireless controller 111 , 211 Central control unit 112, 211 Operation unit 113, Call signal generation unit 114 Data communication interface

Claims (1)

[Claims] 1. In a TDMA type digital cordless telephone, a cordless handset is provided in a cordless handset, and a TDMA-type multiplexed signal from the cordless handset radio receiving unit is separated into a signal before multiplexing. Machine demultiplexing unit, slave unit wireless transmission unit, slave unit multiplexing unit that multiplexes a signal to be multiplexed in the TDMA system to the slave unit wireless transmission unit, the slave unit wireless transmission unit, and the slave unit multiplexing Unit, the slave unit receiving unit, and a slave unit wireless control unit for performing wireless multiplexing control on the slave unit demultiplexing unit,
A slave unit radio control unit that extracts the data of the required slot from the multiplexed data, a voice processing unit that inputs and outputs voice to the slave unit slot switching unit, and a data communication interface such as a personal computer are provided. A data communication unit for inputting / outputting data such as a personal computer to / from the slave unit slot switching unit, an integrated control of the slave unit wireless control unit, the slave unit slot switching unit, the voice processing unit and the data communication interface. A slave unit central control unit, and a master unit wireless receiving unit and a T unit from the master unit wireless receiving unit.
A master unit demultiplexing unit that separates a multiplexed signal of the DMA system into a signal before multiplexing, a master unit wireless transmission unit, and a parent unit that multiplexes a signal to be multiplexed of the TDMA system to the master unit wireless transmission unit. A master unit wireless transmission unit, a master unit wireless multiplexing unit, a master unit receiving unit, and a master unit wireless control unit that controls wireless multiplexing of the master unit demultiplexing unit; A master unit slot switching unit for taking out data of a required slot from the stored data, a line I / F unit for inputting / outputting to / from a public line from the master unit slot switching unit, and the master unit wireless control unit. It is provided with a master unit central control unit that integrally controls the master unit slot switching unit and the line I / F unit, and a voice signal is stored in one slot of TDMA and data of data communication of a personal computer or the like is stored in another unit. Transmit in slots,
A wireless telephone device that enables simultaneous voice and data communication with a personal computer.