JPH07203065A - Mobile communication system and modem initial setting method - Google Patents

Abstract

(57) [Abstract] [Object] The present invention provides a modem in a base station that is not physically connected without changing communication software designed to control a wired data communication modem. It enables control including initial settings to match the function with the modem function of the communication partner. [Structure] A personal computer 16 for transmitting modem initial setting information for controlling a modem function and a dial request, and holding modem initial setting information transmitted from the personal computer 16 and controlling connection with a line 14 in response to a dial request. And an interface unit 18 for making a data communication start request,
A base connected to the mobile station 10 via a wireless transmission line, having a modem function for performing data communication via the line 14, and initializing the modem function based on the modem initial setting information from the interface section 18. And a station 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile phone using radio communication, for example, a mobile communication system for carrying out mobile communication using a personal handy phone (PHP), and a modem initial setting used in the system. Regarding the method.

[0002]

2. Description of the Related Art Mobile telephones that utilize radio waves include car phones and cell phones called cellular phones. Cellular phones provide services nationwide, and can make (call) and receive (receive) calls over a wide area in major cities. Further, in the cellular phone, it is also possible to transmit data by communication (personal computer communication) using a personal computer (hereinafter, abbreviated as personal computer) or execute FAX communication.

In recent years, instead of the conventional analog signal communication, a digital cellular phone service has been started in which digital signal communication is performed.

The cellular phone has a large-scale communication system built in order to enable communication over a wide range.

As a simple mobile telephone unlike a cellular phone, there is a cordless telephone which is widely used for home use. The cordless telephone communicates between a cordless base unit (base station) and a cordless handset (mobile station) connected to a public line based on a protocol unique to the cordless telephone. The cordless telephone communicates with an analog signal, and the content of communication by the cordless cordless handset is only voice communication.

Normally, personal computer communication is performed by connecting RS-232C provided in a personal computer and a data communication modem, and connecting the data communication modem and a public line. Therefore, the communication software operating on the personal computer for executing the personal computer communication is designed to directly control the data communication modem connected by wire to execute the connection operation with the public line.

Further, since the cordless telephone is originally configured for voice communication, it cannot perform data communication via the cordless cordless handset, and the communication software does not support it.

By the way, as a next-generation mobile telephone using digital signals instead of a cordless telephone using analog signals, a digital cordless telephone, that is, a personal handy phone (hereinafter abbreviated as PHP).
Communication system is planned.

Unlike a cellular phone, a PHP is not a large-scale communication system, and a small output PHP handset (mobile station) is used not only at home but also as a public base station for a station, a shopping area, a public telephone box, etc. By providing it, it can be used outdoors.

Since the PHP performs communication using digital signals, it becomes possible to perform data communication services, which cannot be realized by a cordless telephone using analog signals, such as personal computer communication and FAX communication from the outdoors. Further, in realizing this service, in order to improve portability, a configuration is considered in which a public base station side is provided with a modem function corresponding to a data communication modem.

That is, even when the personal computer communication or the FAX communication is performed outdoors, each user does not need to carry a data communication modem, and only needs to carry a personal computer or a facsimile device.

[0012]

[Problems to be Solved by the Invention] However, PHP
The mobile communication system using the slave has the following problems.

Since the modem function is provided in the public base station, when performing personal computer communication, for example, the communication software for controlling the conventional data communication modem connected by wire cannot be used as it is.

That is, in general, when data communication is performed using a personal computer, initial setting is performed to match the modem with the setting of the other party to communicate with before making a call (connecting a line) to the other party, and thereafter. Although the line with the other party was connected, since the mobile communication system using PHP has the above-mentioned configuration, the modem function that enables the data communication by the communication software for executing the conventional personal computer communication The control including the initial setting of could not be performed.

The present invention has been made in consideration of the above circumstances, and physically connects without modifying communication software designed to control a wired data communication modem. An object of the present invention is to provide a mobile communication system and a modem initial setting method capable of control including initial setting for matching a modem function in a base station which is not controlled with a modem function of a communication partner.

[0016]

SUMMARY OF THE INVENTION The present invention is for performing data communication with a partner via a line, and includes modem initial setting information for controlling a modem function for data communication, and a partner of communication. An information processing device for sending a dial request to the destination, an interface means for holding modem initial setting information sent from the information processing device, and for controlling connection with the line and requesting data communication start in response to the dial request. A mobile station connected to the information processing apparatus via the interface means, a mobile station connected to the mobile station via a wireless transmission path and a line, and data communication is performed via the line. And a destination of data communication in response to a data communication start request from the interface unit via the mobile station. A base station which is connected and initializes the modem function based on the modem initial setting information. After the modem function is initialized, the data communication by the information processing device is performed by the interface unit and the It is characterized in that it is performed via the mobile station and the base station.

The present invention also provides a base station connected to a public line with a modem function for realizing data communication, a mobile station connected to the base station via a wireless communication path, and data communication with the mobile station. A modem initial setting method for initializing the modem function in a mobile communication system having an interface means for connecting to an information processing device to be executed, the method comprising: Then, the interface means outputs a command indicating a dial request to the other party of the data communication to the base station via the mobile station, and the base station transmits the command to the public station according to the command indicating the dial request. Performs connection processing with the communication partner through the line, and then issues a command indicating completion of line connection to the base station. From the base station, the modem initial setting information in the communication command input from the information processing device is output to the interface unit via the mobile station and the command indicating the completion of the line connection is received from the base station. When outputting from the interface means to the base station via the mobile station and receiving the modem initial setting information, the modem function provided in the base station is initialized based on the modem initial setting information, and the modem is set. A command indicating that the initialization of the function is completed is output from the base station to the interface means, and data communication by the information processing device is performed via the interface means, the mobile station, and the base station. Is characterized by.

Further, the present invention provides a base station connected to a public line, a mobile station connected to the base station via a wireless communication path, and a data communication with the mobile station, the base station having a modem function for realizing data communication. A modem initial setting method for initializing the modem function in a mobile communication system having an interface means for connecting an information processing device to be executed, the notification of modem initial setting information from the information processing device to the interface means. According to the above, a wireless link that enables information transmission of the modem initial setting information is established between the mobile station and the base station, and when the wireless link is established, it is input from the information processing device. The modem initial setting information is output from the interface means to the base station via the mobile station, and the modem initial setting information is received. If that was initialized based modem function provided in the base station to the modem initialization information,
A command indicating that the initialization of the modem function is completed is output from the base station to the interface means, and after the initialization of the modem function, a dial request is made from the information processing device to a partner of data communication. Accordingly, a command indicating a dial request is output from the interface means to the base station via the mobile station, and the base station communicates with a communication partner through the public line in response to the command indicating a dial request. A line connection process is performed, and then a command indicating completion of line connection is output from the base station to the interface unit via the mobile station, and data communication by the information processing device is performed by the interface unit, The operation is performed via the mobile station and the base station.

[0019]

According to this structure, the modem initial setting information and the dial request output from the information processing device based on the data communication software for controlling the data communication modem connected by wire are temporarily transferred to the interface means. The information processing device can perform the same operation as when the data communication modem is connected. The interface means holds each information, the mobile station,
Connection control via the base station is performed instead of the information processing device. When the modem initial setting information is passed to the base station, the modem function provided in the base station is initialized, and data communication between the other party and the information processing device becomes possible via the line.

As a procedure for initializing the modem function, when the line connection with the communication partner is completed, the modem function is initialized after the wireless link to the base station is established. Then, the case of connecting the line with the other party can be used.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a schematic configuration of a mobile communication system in this embodiment. As shown in FIG. 1, in the mobile communication system of this embodiment, a wireless communication function is executed between the PHP slave 10 and a public base station 12 installed outdoors, for example. The public base station 12 is installed in a public telephone box or the like.

The public base station 12 is connected to the public line 14, and when making a call from the PHP slave unit 10, it is possible to talk with the other party via the public base station 12 and the public line 14. Further, data communication by a personal computer (hereinafter abbreviated as personal computer) 16 and fax communication by a facsimile device (hereinafter abbreviated as FAX) 17 are possible via the PHP slave device 10. The data communication may be performed by another information processing device such as a word processor device. In this embodiment, the public line 14 is connected to I
It is a digital line such as SDN (Integrated Services Digital Network).

The personal computer 16 and the PHP slave unit 10 are connected via the interface device 18 by a connection cable 19a. The FAX 17 is provided internally with an interface function (not shown) having the same function as the interface device 18, and is connected to the PHP slave device 10 via the connection cable 19b via the same function.

FIG. 2 is a block diagram showing the configuration of the PHP slave unit 10. As shown in FIG. 2, the PHP slave device 10 includes a microcomputer 20, a wireless unit 21, a codec 22, and an ADPC.
M section 23, PCM section 24, button input section 25, speaker 26, microphone 27, connector section 28, and antenna 29
Is provided.

The microcomputer 20 controls each part of the PHP slave 10 according to a program stored in a memory (not shown). The microcomputer 20 receives a command input from the connector section 28 via a control line or a button input section 25 by pressing a dial button.
The operation control of the telephone function according to the data input from the control unit 22 and the control of the codec 22 and the ADPCM unit 23 (switching voice communication and data communication by turning on / off) are performed. The operation of the dial button can be emulated by externally giving a predetermined command to the microcomputer 20 via the connector section 28 and the control line.

The radio unit 21 is connected to the antenna 29 and the codec 22, and transmits / receives data to / from the radio unit 30 provided in the public base station 12 via the antenna 29 according to a predetermined protocol. The wireless unit 21 inputs / outputs data to / from the public base station 12 from / to the codec 22.

The codec 22 includes a radio unit 21 and an ADP.
When a voice call is made, which is connected to the CM unit 23 and the connector unit 28, under the control of the microcomputer 20, the data to be transmitted to the public base station 12 output from the ADPCM unit 24 is transmitted as a radio signal. Public base station 12 converted to (analog signal) and received via wireless unit 21
The radio signal from the device is converted into a digital signal. When performing data communication / FAX communication, data is input / output to / from the personal computer 16 via the connector unit 28 and the data line (the ADPCM unit 23 is not used).

The ADPCM unit 23 is provided between the PCM unit 24 and the codec 22 and has the ADPCM (Adaptive
Differential Pulse Code Modulation: Highly efficient compression is performed by adaptive differential pulse code modulation.

The PCM unit 24 is connected to the ADPCM unit 23, the speaker 26 and the microphone 27, and is connected to the PCM (Pulse Co
de Modulation: Performs pulse code modulation. When performing a voice call, the PCM unit 24 converts a digital voice signal, which is transmitted from the public base station 12 and is to be output from the speaker 26 obtained via the wireless unit 21, the codec 22, and the ADPCM unit 23, into an analog voice signal. The analog voice signal input from the microphone 27 is converted into a digital voice signal and output to the ADPCM unit 23.

The button input section 25 controls the input of a dial button (not shown) provided for operating the PHP slave 10. The button input unit 25 outputs data corresponding to the pressed button among the dial buttons to the microcomputer 20. The dial buttons, which are used when dialing from the PHP slave device 10, include various function buttons in addition to the numeric buttons 0 to 9, the “*” and “#” buttons. The speaker 26 is connected to the PCM unit 24 and outputs a voice based on voice data from the other party. The microphone 27 is the PCM section 24.
Is connected to and inputs voice to be sent to the other party.

The connector section 28 is connected to the personal computer 16 or FA via the connection cables 19a and 19b.
This is an interface for connecting the X17. The data line connected to the connector unit 28 is a codec 22.
The control line is connected to the microcomputer 20.

The antenna 29 is for transmitting and receiving signals to and from the base station 12.

FIG. 3 is a block diagram showing the configuration of the public base station 12. As shown in FIG. 3, the public base station 12 includes a radio unit 30, an error correction unit 31, a data communication unit 32, a PC.
It is composed of an M unit 33, an ADPCM unit 34, and an antenna 35. Each functional unit forming the public base station 12 is controlled by a microcomputer (not shown).

The radio unit 30 is connected to the antenna 35, and the PHP slave unit (base station) 10 is connected via the antenna 35.
Data is transmitted and received between and by a predetermined protocol. The wireless unit 30 transmits the data transmitted / received to / from the PHP slave device 10 from the ADPCM unit 34 (during a voice call).
Alternatively, input / output is performed with the error correction unit 31 (during data communication).

The error correction unit 31 is, for example, an ASIC (Ap
replication specific IC) and performs link control of wireless communication between the PHP slave 10 and the public base station 12 and correction of data transfer errors.

The data communication unit 32 controls data communication when performing data communication or FAX communication via the PHP slave 10. The data communication unit 32 is provided with a modem (modulation / demodulation) function and a modem control function for controlling the function. The base station 12 is basically configured to perform voice communication, and is provided with an adapter to which a predetermined functional unit can be added to realize functions other than voice communication. Data communication control unit 3
2 is attached to a data / FAX communication adapter provided in the base station 12 for use.

The PCM section 33 is connected to the data communication section 32, and is connected to the other party (for example, a host device in the case of data communication) via the public line 14 during data communication. The PCM unit 33 performs PCM encoding / decoding processing for inputting / outputting data to / from the public line 14, which is a digital communication network such as ISDN.
The digital signal from 4 is converted into an analog signal, and the analog signal to be sent to the communication partner is converted into a digital signal and sent to the public line 14.

The ADPCM unit 34 is provided between the radio unit 30 and the public line 14 and performs high efficiency compression by ADPCM (adaptive differential pulse code modulation). A
When the voice communication is performed, the DPCM unit 34 transmits 64 to the PHP slave device 10 from the public line 14 (ISDN).
The digital voice data of kbps is compressed and converted into a digital voice signal of 32 kbps, and the digital voice data to be sent to the public line 14 is converted in the reverse manner. The ADPCM unit 43 is switched on / off under the control of a microcomputer (not shown). By turning on / off the ADPCM unit 43, a voice signal path (voice call) and a data signal path (data communication) are switched.

The antenna 35 is for transmitting and receiving signals to and from the PHP slave unit 10.

In the base station 12, the path of the radio unit 30, the error correction unit 31, the data communication unit 32, and the PCM unit 33 is used during data communication, and the radio unit 30, the error correction unit 31, and the error correction unit 31 during voice communication. The route of the ADPCM unit 34 is used. The switching of the route is performed by a microcomputer (not shown) for controlling the entire base station 12.

FIG. 4 is a block diagram showing the structure of the interface section 18. As shown in FIG. 4, the interface unit 18 includes an error correction unit 40, a control unit 41, and a UAR.
T (Universal Asynchronous Recever Tranceiver) 4
It is composed of two.

The interface 18 is, for example, the personal computer 1.
6 can be configured as an IC card type that can be connected to the card interface (IC card slot) provided in FIG. The card interface is, for example, JEIDA
(Japan Electronic Industry Development Association
) / PCMCIA (Personal Computer Memory CardIn
ternational Association) is used.

The error correction unit 40 is composed of, for example, an ASIC, and controls the link of wireless communication between the PHP slave 10 and the public base station 12 and corrects a data transfer error. The error correction unit 40 is connected to the PHP slave 10 by a control line and a data line of the connection cable 19a. The control line is PHP handset 1
A command for executing the same operation as when the 0 dial button is pressed (10-key emulation) can be transmitted to the PHP slave device 10. The data line is for transmitting and receiving data for data communication via the PHP slave device 10.

The control unit 41 controls the UART 42 and the error correction unit 40 that form the interface unit 18, and a predetermined value is determined according to the data input via the UART 42 or the data input from the error correction unit 40. Perform the operation of.

The UART 42 is connected to the parallel bus of the personal computer 16 and inputs data from the personal computer 16. The UART 42 is for realizing communication via a telephone line, and can convert parallel data from the CPU (personal computer 16) into serial data. Also,
It has a modem interface (for transmitting and receiving data necessary for control and control signals) for controlling the modem function based on the data from the personal computer 16.

Next, the operation of the mobile communication system shown in FIGS. 1 to 4 will be described. FIG. 5 is a diagram showing a flow of an initial setting procedure for the modem function of the data communication unit 32 of the base station 12 in the first embodiment.

FIG. 5 shows that after the connection of the wireless link between the PHP slave device 10 and the base station 12 is completed, that is, after the PHP slave device 10 makes a call process to the base station 12 and dials the other party, An example of a method for initializing the modem function of the base station 12 is shown.

In this embodiment, the communication software executed by the personal computer 16 is designed on the premise of the conventional system configuration (a data communication modem is connected by wire).

First, the personal computer 16 outputs the initial setting information for the modem device (which is originally a data communication modem connected by wire) set by the communication software (FIG. 5 (a)) to initialize the modem function. Start operation.

The interface section 18 inputs the initial setting information from the personal computer 16. The control unit 41 temporarily stores the initial setting information in a memory (not shown) or the like (see FIG. 5).
(B)).

Next, the personal computer 16 outputs a data communication start request for the modem function, that is, a command for instructing the shift to the communication mode and dial information indicating the communication partner (FIG. 5 (c)). For example, AT command "ATDT0425 ***" used in general personal computer communication
Is output. In this case, “ATD” indicates the transition to the communication mode. Like the initial setting information, the control unit 41 of the interface unit 18 temporarily stores the data communication start request in a memory (not shown) or the like (FIG. 5D).

When the data communication start request is input from the personal computer 16, the control unit 41 of the interface unit 18 reads the dial information stored in the memory or the like, and the PHP
The dial request command and dial information for the handset 10 are output to the PHP handset 10 via the error correction unit 40 (FIG. 5 (e)).

In response to the dial request command, the PHP slave unit 10 performs a calling process to the base station 12 through a wireless communication path based on a predetermined protocol with the base station 12 to perform communication. The dial number of the other party is transmitted (FIG. 5 (f)). At the same time, a response of the transmission process is returned to the interface unit 18 (FIG. 5 (g)).

The base station 12 receives the public line 14 according to the dialed number of the communication partner received via the wireless communication path.
To dial the other party (Fig. 5 (h)). At this time, the base station 12 is switched to the data communication side. When the line is connected to the other party, the base station 12 connects the public line 14
The answer tone is received via the (FIG. 5 (i)).

On the other hand, when the interface unit 18 receives the response from the PHP slave device 10, it outputs a data communication request command to the PHP slave device 10 (FIG. 5 (j)).

The PHP slave unit 10 has an interface section 18
When receiving the data communication request command from the base station 1,
A modem activation request signal for activating the modem function provided in the data communication unit 32 of the base station 12 is output to the terminal 2 (FIG. 5 (k)).

Upon receiving the modem activation request, the base station 12 activates the modem function of the data communication unit 32, and the PHP
An activation notification is returned to the child device 10 (FIG. 5 (l)).

When the PHP slave 10 receives the activation notification,
The microcomputer 20 commands the ADPCM unit 23 to turn off the ADPCM unit 23, and switches the use route from the voice communication route to the data communication route (FIG. 5 (m)). After performing the turning off of the ADPCM unit 23, the PHP slave device 10 notifies the interface unit 18 of the turning off of the ADPCM unit 23 (FIG. 5 (n)).

The interface unit 18 uses the PHP slave unit 10.
When the ADPCM unit 23 is turned off from, the initial setting information stored in the memory or the like is read out and the base station 12 (data communication unit 32) of the base station 12 (data communication unit 32) passes through the data communication path of the PHP slave device 10. Output to the modem function (Fig. 5
(O)).

The modem function of the data communication unit 32 receives the initial setting information output from the interface unit 18,
Initialization is performed based on the same information (FIG. 5 (p)). Also,
The modem function returns a notification of completion of initial setting to the interface unit 18 via the PHP slave device 10 (FIG. 5 (q)).

When the interface section 18 receives the notification of the completion of the initial setting of the modem from the modem function, it reads the communication mode transition command stored in the memory or the like, and the PHP
The data is output to the modem function of the base station 12 via the data communication path of the handset 10 (FIG. 5 (r)).

The modem function of the data communication unit 32 transmits the carrier to the other party via the public line 14 (see FIG. 5).
(S)), and interface unit 18 (personal computer 16)
In response, a connection notification with the partner is returned (FIG. 5 (t)).

After that, a normal data communication state is set (FIG. 5 (u)). The personal computer 16 operates based on the communication software so that the PHP slave unit 10 and the base station 1
Ordinary data communication can be performed by using the wireless communication path between the two and the modem function of the data communication unit 32 of the base station 12.

FIG. 6 is a diagram showing a flow of an initial setting procedure for the modem function of the data communication section 32 of the base station 12 in the second embodiment.

FIG. 6 shows the modem function provided in the data communication section 32 of the base station 12 before dialing the other party, that is, before executing the calling process from the PHP handset 10 to the base station 12. An example of the initialization method is shown.

In this embodiment, the communication software executed by the personal computer 16 is designed on the premise of the conventional system configuration (the data communication modem is connected by wire).

First, the personal computer 16 outputs the initial setting information for the modem device (which is originally a data communication modem connected by wire) set by the communication software (FIG. 6 (a)) to initialize the modem function. Start operation.

The interface section 18 inputs the initial setting information from the personal computer 16. The control unit 41 temporarily stores the initial setting information in a memory (not shown) or the like (see FIG. 6).
(B)).

The interface section 18 sends a PH for the initial setting wireless link request for initializing the modem function.
It outputs to P child machine 10 (FIG.6 (c)).

The PHP handset 10 requests the base station 12 to open only a control channel other than the voice communication channel in order to perform initial setting (FIG. 6).
(D)).

When the base station 12 receives the control channel request, it opens the control channel and notifies the PHP station 10 of the opening (FIG. 6 (e)).

When the PHP slave 10 receives the notification of opening,
A wireless link completion notification is sent to the interface unit 18 (FIG. 6 (f)).

Upon receipt of the wireless link completion notification, the interface section 18 issues an initial setting request command to the PHP slave 10 (FIG. 6 (g)).

The PHP slave unit 10 has an interface section 18
When the initial setting request command is received from, the modem activation request signal for activating the modem function provided in the data communication unit 32 of the base station 12 is output to the base station 12 (FIG. 6 (h)).

When the base station 12 receives the modem activation request, it activates the modem function of the data communication unit 32, and the PHP
An activation notification is returned to the child device 10 (FIG. 6 (i)).

When the PHP slave 10 receives the activation notification,
The microcomputer 20 commands the ADPCM unit 23 to turn off the ADPCM unit 23, and switches the use route from the voice communication route to the data communication route (FIG. 6 (j)). After performing the turning off of the ADPCM unit 23, the PHP slave device 10 notifies the interface unit 18 of the turning off of the ADPCM unit 23 (FIG. 6 (k)).

The interface unit 18 uses the PHP slave unit 10.
When the ADPCM unit 23 is turned off from, the initial setting information stored in the memory or the like is read out and the base station 12 (data communication unit 32) of the base station 12 (data communication unit 32) passes through the data communication path of the PHP slave device 10. Output to the modem function (Fig. 6
(L)).

The modem function of the data communication unit 32 receives the initial setting information output from the interface unit 18,
Initialization is performed based on the same information (FIG. 6 (m)). Also,
The modem function returns a notification of completion of initial setting to the interface unit 18 via the PHP slave 10 (FIG. 6 (n)).

The personal computer 16 outputs a data communication start request for the modem function, that is, a command for instructing a shift to the communication mode and dial information indicating the communication partner (FIG. 6 (o)).

The control unit 41 of the interface unit 18 temporarily stores the data communication start request in a memory (not shown) or the like (FIG. 6 (p)), like the initial setting information.

When the data communication start request is input from the personal computer 16, the control unit 41 of the interface unit 18 reads the dial information stored in the memory or the like, and the PHP
The dial request command and dial information for the handset 10 are output to the PHP handset 10 via the error correction unit 40 (FIG. 6 (q)).

Upon receiving the dial request command, the PHP handset 10 performs a call process to the base station 12 via the wireless communication path based on a predetermined protocol with the base station 12 to perform communication. The dialed number of the other party is transmitted (FIG. 6 (r)). At the same time, a response of the transmission process is returned to the interface unit 18 (FIG. 6 (s)).

The base station 12 uses the public line 14 in accordance with the dial number of the communication partner received via the wireless communication path.
To dial the other party (Fig. 6 (t)). At this time, the base station 12 is switched to the data communication side. When the line is connected to the other party, the base station 12 connects the public line 14
An answer tone is received via the (FIG. 6 (u)). When the interface unit 18 receives the notification of the completion of the initialization of the modem from the modem function, the interface unit 18 reads the communication mode transition command stored in the memory or the like, and the base station 12 via the data communication path of the PHP slave device 10. It outputs to the modem function of FIG. 6 (v).

The modem function of the data communication section 32 transmits the carrier to the other party via the public line 14 (see FIG. 6).
(W)), and interface unit 18 (personal computer 16)
In response, a connection notification with the other party is returned (FIG. 6 (x)).

After that, a normal data communication state is set (FIG. 6 (y)). The personal computer 16 operates based on the communication software so that the PHP slave unit 10 and the base station 1
Ordinary data communication can be performed by using the wireless communication path between the two and the modem function of the data communication unit 32 of the base station 12.

In the above embodiment, the PHP slave unit 1 is used.
Although the case of performing data communication between 0 and the public base station 12 has been described, the present invention can be applied to the case of implementing similar data communication with the parent device in the home.

Further, although the case of the data communication by the personal computer 16 has been described, it can be applied to the FAX communication by the FAX 17 and the data communication by another information processing apparatus.

[0088]

As described above, according to the present invention, data communication using a modem function provided in a base station can be performed via a mobile station in a conventional system configuration (a data communication modem is connected by wire). The communication software used in (1) can be performed without any change. Therefore, it is possible to perform data communication regardless of whether it is wired or wireless.

[Brief description of drawings]

FIG. 1 is a diagram showing a schematic configuration of a mobile communication system according to an embodiment of the present invention.

FIG. 2 is a block diagram showing the configuration of a PHP slave device 10 according to the present invention.

FIG. 3 is a block diagram showing a configuration of a public base station 12 according to the present invention.

FIG. 4 is a block diagram showing a configuration of an interface section 18 according to the present invention.

FIG. 5 is a diagram showing a flow of an initial setting procedure for the modem function of the data communication unit 32 of the base station 12 in the first embodiment.

FIG. 6 is a data communication unit 3 of the base station 12 in the second embodiment.
The figure which shows the flow of the procedure of the initial setting with respect to the modem function of 2.

[Explanation of symbols]

10 ... PHP slave unit (mobile station), 12 ... Base station, 14 ... Public line, 16 ... Personal computer (information processing device), 18 ... Interface unit, 19a, 19b ... Connection cable, 20 ... Microcomputer, 21, 30 ... Radio section, 22
… Codec, 23, 34… ADPCM part, 24… P
CM section, 25 ... Button input section, 26 ... Speaker, 27 ...
Microphone, 28 ... Connector section, 31, 40 ... Error correction section, 32 ... Data communication section.

Claims (3)

[Claims] 1. Modem initial setting information for controlling a data communication modem function, and information for transmitting a dial request to a communication partner, which executes data communication with the partner via a line. A processing device, interface means for holding modem initial setting information sent from the information processing device, and for controlling connection with the line and requesting data communication start in response to the dial request, the information processing device and the information processing device. A mobile station connected to the mobile station via an interface means, a mobile station connected to the mobile station via a radio transmission path, and a modem function for performing data communication via the line. In response to a data communication start request from the interface means via the mobile station, the modem is connected to the other party of the data communication. A base station that initializes the modem function based on setting information; and, after the modem function is initialized, data communication by the information processing device is performed by the interface unit, the mobile station, and the A mobile communication system characterized by being carried out via a base station. 2. A base station having a modem function for realizing data communication, connected to a public line, a mobile station connected to the base station via a wireless communication path, and information for executing data communication with the mobile station. A modem initial setting method for initializing the modem function in a mobile communication system having an interface unit for connecting to a processing device, wherein data is transmitted in response to a communication command including modem initial setting information from the information processing device. A command indicating a dial request to a communication partner is output from the interface means to the base station via the mobile station, and the base station communicates through the public line according to the command indicating the dial request. Performs connection processing between the other party and the line, and then sends a command indicating completion of line connection from the base station to the mobile station. When the command output from the base station is output to the interface means via the base station, the modem initial setting information in the communication command input from the information processing device is received from the interface means. When output to the base station via the mobile station and receiving the modem initial setting information, the modem function provided in the base station is initialized based on the modem initial setting information, and the modem function initialization is performed. Is output to the interface means from the base station, and data communication by the information processing device is performed via the interface means, the mobile station, and the base station. Modem initial setting method. 3. A base station having a modem function for realizing data communication, connected to a public line, a mobile station connected to the base station via a wireless communication path, and information for executing data communication with the mobile station. A modem initial setting method for initializing the modem function in a mobile communication system having an interface means for connecting to a processing device, wherein the information processing device is responsive to a notification of the modem initial setting information to the interface means. , Establishes a wireless link between the mobile station and the base station to enable transmission of the modem initial setting information, and when the wireless link is established, the modem initialization input from the information processing device is performed. When the setting information is output from the interface means to the base station via the mobile station and the modem initial setting information is received, The modem function provided in the base station is initialized based on the modem initial setting information, and a command indicating that the initialization of the modem function is completed is output from the base station to the interface means, After initialization, in response to a dial request from the information processing device to a partner of data communication, a command meaning a dial request is output from the interface means to the base station via the mobile station, The base station performs connection processing of a line with a communication partner through the public line in response to a command indicating a dial request, and then issues a command indicating completion of line connection from the base station to the interface via the mobile station. Means for outputting the data communication by the information processing device to the interface means and the mobile station. And a modem initial setting method, which is performed via the base station.