JP2972581B2 - PC compatible wireless modem card device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a PC-compatible wireless modem card device, and more particularly to a PC-compatible wireless modem card device for connecting a data terminal device such as a personal computer to a PHS telephone device and performing data communication.

[0002]

2. Description of the Related Art Data of a data terminal device such as a personal computer (PC), in particular, a portable data terminal device is stored in P
When transmitting and receiving using an HS (Personal Handy Phone System) phone device, an IC card type modem device, that is, a PC compatible wireless modem card device is used to connect the data terminal device and the PHS phone device. ing. However, since the conventional PC-compatible wireless modem card device has no means of knowing what non-telephone service function the connected PHS telephone device has, the user (user) needs to have the PC-compatible wireless modem card device in advance. It is necessary to confirm the communication function of the PHS telephone device and the communication function of the PHS telephone device based on each product model number or the like before connecting.

[0003]

SUMMARY OF THE INVENTION A conventional PC-compatible wireless modem card device (hereinafter abbreviated as "modem card device")
Therefore, even if the non-telephone service other than the communication function of the modem card device is supported by the PHS telephone device, the function cannot be used, of course.
I couldn't even recognize its function. Further, even if the communication function of the PHS telephone connected with the modem card is supported, there is no means for recognizing the function supported by the connected PHS telephone. The reason is that the only non-telephone service function supported by the conventional PHS telephone device is the non-telephone communication function using the voice channel on the wireless interface, and there is no difference from the function supported by the modem card device. This is because there is no need to specifically recognize the non-telephone service function of the PHS telephone device from the modem card device.

[0004] After that, when a function for performing a non-telephone service using a channel other than the voice channel is added along with the high performance of the PHS telephone device, when a connection is made by a modem control command, which protocol is used for communication. You need a way to choose. The user selects a non-telephone service that he / she actually wants to perform with the modem control command X, and then establishes the connection with the modem control command Y.
There is a need for a technique for comparing the function of the HS telephone device with the modem control command X to determine whether communication is possible or not using a modem card device.

[0005]

The present invention SUMMARY OF THE INVENTION, in PC corresponding wireless modem card device for connecting data communication data terminal device such as a personal computer to the PHS telephone unit, the radio interface of a voice channel or
Non-telephone service communication using channels other than voice channels
Upon receiving a control signal indicating power-on from the PHS telephone devices before signal, the P to the PHS telephone unit
A PHS that transmits a control signal for inquiring about a function possessed by the HS telephone device and receives the control signal for the inquiry;
When a control signal for notifying the function possessed by the PHS telephone device is received from the telephone device, the PHS telephone device is protected.
Identifies non telephony features that chromatic and has a configuration of storing the information.

In the above configuration, when a modem control command requesting a non-telephone communication connection with the PHS telephone device is received from the data terminal device, the PHS telephone device previously received and stored from the PHS telephone device is received. Determining whether connection by the PHS telephone device is possible based on information indicating a non-telephone communication function supported by the device, making a connection request to the PHS telephone device if connection is possible; , An error notification indicating connection failure may be made.

In the present invention, a control signal is used between a PC-compatible wireless modem card device (modem card device) and a PHS telephone device in order to solve the problems of the prior art.
When the PHS telephone device is first turned on while the modem card device and the PHS telephone device are physically connected, the state change is transmitted to the modem card using a control signal defined as a non-telephone control signal. Notice. The modem card device confirming the state change notifies the function of the modem card device itself by a control signal defined as a non-telephone service request in order to know the non-telephone service function of the PHS telephone device.
The PHS telephone device notifies the supported non-telephone service function among the functions of the modem card device by a control signal defined as non-telephone service confirmation, and transmits the function to the modem card device. In the modem card device which recognizes the non-telephone communication function of the PHS telephone device in this manner, the modem control command Y from the data terminal device (PC).
When a connection request is received, the user can know which protocol is to be used for communication based on the contents set by the modem control command X which is set in advance. Modem control command X
If the function is a non-telephone service function of the type supported by the PHS telephone device, control is transferred to a communication unit for each protocol in the modem card device, a link is established with the PHS telephone device, and communication is started. In this manner, communication can be automatically performed using the selected protocol without checking the presence or absence of each non-telephone service function of the PHS telephone device every time a connection request is made by a modem control command from a user (data terminal device).

[0008]

Embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of the present invention. In FIG. 1, a signal line 21 between a PC-compatible wireless modem card device (hereinafter abbreviated as a modem card device) 1 and a data terminal device (for example, a notebook PC) 2 of the present embodiment is a serial line having a PCMCIA-compliant interface. Signal lines. Also, the modem card device 1 and P
The signal line 31 between the HS telephone devices 3 is connected to a control signal and a call /
The data signal is passed. The modem card device 1
A data terminal communication control processing unit 11, a modem control command processing unit 12, a FAX communication procedure processing unit 1, which includes a microprocessor and incorporates communication control software, and which corresponds to a software processing unit connected to each other by a logical signal line.
3, an MNP communication procedure processing unit 14, a TCP / IP communication procedure processing unit 15, a high-speed data communication procedure processing unit 16, a non-telephone control processing unit 17, and a signal control unit 18.

Next, the operation will be described with reference to the sequence diagram of FIG. 2 together with FIG.

When the modem card device 1 and the PHS telephone device 3 are physically connected, the PHS telephone device 3 is turned on when the PHS telephone device 3 is turned on.
Is a non-telephone control signal (power ON
Notification control signal). The modem card device 1 receives the non-telephone control signal at the signal control part 18 and notifies the non-telephone control processing part 17 of the signal as it is. When the non-telephone control processor 17 analyzes the signal and confirms a change in the state of the PHS telephone device 3 and recognizes that the power is turned on, the modem card device 1 first checks its own modem to know the non-telephone service function of the PHS telephone device 3. The notification of possession of the communication functions (FAX data communication function, MNP data communication function, high-speed data communication function, TCP / IP communication function, etc.) of the card device 1 is used as a non-telephone service request by the non-telephone control processing part 17 to the signal control part. A control signal (card function notification control signal) is transmitted to the PHS telephone device 3 via the terminal 18. After transmitting the control signal as the non-telephone service request, the signal control unit 18 of the modem card device 1 receives the non-telephone service confirmation signal (PHS function notification control signal) in which the function of the PHS telephone device 3 is set. Until it is in a waiting state. PHS
When the telephone device 3 recognizes the communication function that can be performed by the modem card device 1 by receiving the control signal as the non-telephone service request, the telephone device 3 changes the communication function held by the PHS telephone device 3 to the non-telephone service that is the control signal. The modem card device 1 is notified by transmitting a confirmation signal. The modem card device 1 performs PHS by analyzing the signal in the non-telephone control processing unit 17.
Recognize the presence or absence of the communication function of the telephone device 3, and
The communication function of the telephone device 3 is held. In this example, in order to know the non-telephone service function of the PHS telephone device 3, the modem card device 1 sends a notification of the communication function (card function notification control signal) of the modem card device 3 to the PHS telephone device 3. , But simply P
A control signal only for inquiring about the possessed function of the HS telephone device 3 is transmitted, and the PHS receiving the inquiry control signal is transmitted.
The telephone device 3 may notify the communication function held by the telephone device 3 to the modem card device 1. In addition, PHS
It is assumed that a model capable of transmitting and receiving these control signals is used as the telephone device 3.

After this state, the user sets the communication mode by the modem control command X from the data terminal device 2 to the data terminal communication control processing section 11 of the modem card device 1, and sets the communication mode by the modem control command Y. PH
The connection with the S telephone device 3 is made. If there is no setting by the user (data terminal device 2), the connection is made in the communication mode set in advance. The modem card device 1 that has received the modem control command Y, which is a connection request from the user (data terminal device 2), uses the modem control command processing unit 12 to control the PHS telephone device 3 held by the non-telephone control processing unit 17. The communication function is set up with the communication mode set by the modem control command X, and it is determined whether or not connection in the communication mode is possible based on whether or not they match. If the connection in the set communication mode is possible, the FAX data communication procedure processing unit 13, the MNP data communication procedure processing unit 14,
A signal indicating that connection is possible is transmitted to a corresponding one of the TCP / IP communication procedure processing unit 15 and the high-speed data communication procedure processing unit 16. Modem control command processing unit 1
FAX data communication procedure processing unit 13 or MNP data communication procedure processing unit 1 that has received a signal indicating that connection is possible
4, or the TCP / IP communication procedure processing unit 15 or the high-speed data communication procedure processing unit 16 performs the corresponding procedure processing according to each unique protocol, and issues a connection request (link establishment request) to the PHS telephone device 3. Do.

The PHS telephone device 3 includes a FAX data communication procedure processing unit 13, an MNP data communication procedure processing unit 14,
Upon receiving a connection request according to the protocol of each processing unit of the P / IP communication procedure processing unit 15 and the high-speed data communication procedure processing unit 16, the connection control process performs data link setting and link establishment confirmation notification, thereby controlling modem control. Communication can be started using the protocol of the command X.
This link establishment confirmation notification is notified to the data terminal device 2 through the modem card device 1 and the user starts communication.

In the modem control command processing unit 12,
If it is determined that the communication mode set by the modem control command X and the communication function of the PHS telephone device 3 do not match and the connection is not possible, the FAX data communication procedure processing unit 13 or the MNP data communication procedure Processing unit 1
4 or the TCP / IP communication procedure processing unit 15 or the high-speed data communication procedure processing unit 16 without transmitting a signal indicating that connection is possible to the user (data terminal apparatus 2).
The ROR (error) is notified.

[0015]

As described above, by connecting the PC-compatible wireless modem card device of the present invention between the data terminal device and the PHS telephone device, the non-telephone communication function supported by the PHS telephone device ( Service) without having to be aware of it. The user sets the communication he / she wants to perform with the modem control command X from the data terminal device, and then issues a connection command with the modem control command Y, so that the modem card device and the PHS telephone device can communicate with each other according to the communication protocol of the modem control command X. Connect and use non-telephone services. Further, even if an attempt is made to establish a connection using the modem control command Y with a function not supported by the PHS telephone device, an error notification is immediately sent from the modem card device, so that the function can be recognized as an unsupported function.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention.

FIG. 2 is a sequence diagram showing exchange of various signals between devices in the present invention.

[Description of Signs] 1 PC-compatible wireless modem card device 2 Data terminal device (PC) 3 PHS telephone device 11 Data terminal communication control processing unit 12 Modem control command processing unit 13 FAX communication procedure processing unit 14 MNP communication procedure processing unit 15 TCP / IP communication procedure processing section 16 High-speed data communication procedure processing section 17 Non-telephone control processing section 18 Signal control section

Continuation of the front page (72) Inventor Seiji Yoshii 1-403 Kosugi-cho, Nakahara-ku, Kawasaki-shi, Kanagawa In-house NEC Telecom Systems Corporation (56) References JP-A-7-297948 (JP, A) JP-A-9 -200849 (JP, A) JP-A-9-223088 (JP, A) JP-A-9-298575 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) H04M 11/00- 11/10 G06F 13/00 353 H04B 7/26 H04L 29/10

Claims (2)

(57) [Claims] 1. A PC-compatible wireless modem card device for connecting a data terminal device such as a personal computer to a PHS telephone device and performing data communication, wherein a voice channel of a wireless interface or a channel other than a voice channel is provided.
When the receiving control signal for notifying the power-on from the PHS telephone devices before non telephone services communication using Le,
The transmit an interrogation align control signal held function PHS telephone unit to the PHS telephone unit has its PHS electrodeposition from the PHS telephone apparatus that has received the control signal of this inquiry
Upon receiving a control signal for notifying the held function talking device has, PC corresponding wireless modem card and wherein the storing the identified relevant information non telephony features that hold the PHS telephone unit. 2. When a modem control command requesting a non-telephone communication connection with the PHS telephone device is received from the data terminal device, a support of the PHS telephone device previously received and stored from the PHS telephone device is provided. Based on the information indicating the non-telephone communication function of the PHS telephone device.
2. The PC-compatible wireless modem card device according to claim 1, wherein a connection request is made to the S-telephone device, and if the connection is not made, an error notification indicating that the connection is not made is sent to the data terminal device.