JP2896733B2 - Radio paging receiver - Google Patents

Abstract

PURPOSE:To grasp the using state information on a memory of a radio calling receiver and to improve the system availability by preparing a control information storing area in the memory and reading out the control information via a mobile information terminal equipment to display this information on a terminal. CONSTITUTION:A control part 60 of a radio calling receiver 6 writes the in/out-of-range information with which a receiver 61 extracts and detects the area information out of a telegram/telegraph message, the consumed capacity of a memory 50 which is estimated by a memory assignment information memory 64, the information detected by a control circuit 65 and showing whether a drive battery has its voltage lower than a fixed level or less or not to a system information memory 63 as the control information. Then the radio calling MODEM monitor software of a mobile information terminal equipment 7 connected to a terminal 13 sends a control information sending command to the receiver 6. Thus the part 60 sends the control information to the equipment 7 through the terminal 13, and the MODEM monitor software displays the control information on the screen of the equipment 7. In such a constitution, a user can receive data while confirming various information necessary for the MODEM function through a terminal and then can acquire the information of higher grades.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for digital data communication using a wireless communication line. The present invention is used for digital data communication using a communication line including a wireless communication line section for mobile communication having a higher bit error rate than a wired communication line section. The present invention is suitable for use when one terminal of digital data communication transmitted using a public communication network is a wireless mobile terminal.

[0002]

2. Description of the Related Art Digital data signals as well as telephone voice signals have been transmitted to communication networks built for telephones. In this case, the communication carrier providing the line does not care whether the signal transmitted and received between the two terminals connected using the line is a voice signal or a digital data signal. It is permitted that a user of a line uses a modem for the terminal device to transmit and receive digital signals at a bit rate that can be transmitted using the line.

A conventional example of a modem device used as described above will be described with reference to FIG. FIG. 6 is a block diagram of a conventional device and a diagram showing a structure of a message. FIG.
As shown in (a), the data modem 11 establishes a line with the modem device 5 connected to the telephone network 3 via the telephone network 3 according to a command from the information terminal device 2. When transmitting data from the information terminal device 2 to the information terminal device 4, the data transmitted from the information terminal device 2 is temporarily stored in a predetermined memory area of the message storage memory 62. The data modem 11 reads the data from the message storage memory 62 and sends the data to the information terminal device 4 while performing error correction with the modem device 5. The data from the information terminal device 4 is sent out to the data modem 11 while correcting errors between the modem device 5 and the data modem 11, and is stored in the message storage memory 62. The information terminal device 2 reads the memory allocation information of the received data stored in a predetermined memory area of the message storage memory 62 from the memory allocation information memory 64 and reads out desired data based on this information. As shown in FIG. 6B, the structure of the message includes a frame synchronization bit, a message, and a parity check bit.

In such a communication mode, a commercially available modem device is connected to or attached to a commercially available personal computer, and can be easily used according to the convenience of the user. Since the telecommunications carrier is unaware of the form of the signal passing through the line, in such a form of use, even if an error occurs in the transmitted digital data signal, the line side informs the user. No management information is provided.

[0005]

In such a conventional use mode, when two terminals are fixed terminals, a constant quality is generally maintained, so that a good quality is maintained according to a constant line quality standard. Digital data can be received at a bit error rate. However, if one of the terminals is a mobile radio terminal, good communication cannot always be performed because there is a fading phenomenon specific to the movement in the mobile radio section. In other words, when a digital data terminal, which is constructed by mounting a commercially available card modem on a commercially available personal computer, is directly connected to a terminal in an automobile and used as a digital terminal for mobile radio, such a device is usually used. In this case, the line quality is inferior to the case where the terminal is connected to a fixed telephone line terminal, and many code errors occur. On the other hand, it is conceivable to add a computer device that can be used as an information terminal device to the paging receiver, but it becomes expensive.

In such a conventional system, measures to cope with the occurrence of the code error are basically performed by a code error detection circuit using a parity code or a CRC code in the terminal device. For this purpose, the user of the information terminal device cannot receive the management information relating to the effective reception of digital data from the line side. This complicates the configuration of the receiving device,
Retransmission of data executed in response to a retransmission request has the disadvantage that duplication occurs, which increases communication time and hinders effective use of radio waves.

The present invention has been made in view of such a background, and has as its object to provide a radio paging receiver including a function as a modem. In this case, a power supply of the radio paging receiver is provided. Providing advanced information to the user, such as displaying management information related to digital data reception, such as information, outside and inside the area information, and memory usage status information, using a mobile information terminal connected to this radio paging receiver It is an object of the present invention to provide a radio paging receiver capable of performing the following.

[0008]

SUMMARY OF THE INVENTION The present invention receives a predetermined radio signal, detects that the radio signal includes its own calling code, and demodulates and outputs message information transmitted following the calling code. This is a radio paging receiver including a receiver and a memory for temporarily storing the message.

Here, a feature of the present invention is that an interface to which a mobile information terminal is connected is provided, and the memory is provided with an area for storing management information of the radio paging receiver. There is provided a means for reading out the management information to the mobile information terminal device by an operation from the mobile information terminal device.

[0010] It is preferable that the management information includes power supply information, information on the outside of the area, and information on the use state of the memory.
Preferably, the interface is RS232C.

A means for dividing data to be transmitted into a message at a predetermined time interval so as to be shorter than a line quality change period of the radio communication line in a transmitting device of a radio base station apparatus of a radio paging receiver. And means for assigning an order number in accordance with a preset rule to the data divided by the dividing means,
The radio paging receiver that receives the transmission signal of the transmitting device monitors the number of the numbered data and detects a missing number in the order of the number or a part of the numbered data. Means for managing a number,
It is preferable to provide a means for sending management information of the managing means to an output terminal.

[0012] The managing means is provided with means for temporarily storing received telegrams in the order described above, and a storage area for storing telegrams in the means for also storing the missing numbers or the numbers with missing data. Means for writing pseudo data indicating that the message is a missing message to the storage area.

The managing means includes means for erasing the message from the means for temporarily storing when the message stored by the means for temporarily storing is sent to the output terminal, and sending the message to the output terminal. It is preferable to include a means for storing at least the number of the message in which the pseudo data has been written as the management information.

[0014] It is preferable that the transmitting device is provided with means for storing the transmitted message and its number over a period of time until there is no possibility of a retransmission request.

[0015]

A function as a modem is added to a radio paging receiver, and power supply information, information on the outside and inside the area, and information on the use of memory are displayed on a terminal connected to the modem as management information relating to digital data reception. You can check.

[0016] Thereby, digital data can be received while confirming various information necessary for the function as a modem at the terminal, so that more advanced information can be provided.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIG. FIG. 1 is a block diagram of an apparatus according to an embodiment of the present invention.

The present invention is directed to a receiver 61 which receives a predetermined radio signal, detects that the radio signal includes its own calling code, and demodulates and outputs message information transmitted following the calling code. The radio paging receiver 6 includes a memory 50 for temporarily storing a message.

Here, a feature of the present invention is that an interface 10 composed of RS232C to which the mobile information terminal device 7 is connected is provided, and the management information of the radio paging receiver 6 is stored in the memory 50. A system information memory 63 is provided as an area for storing power supply information, outside and inside area information, and usage status information of the memory 50, and this management information is read out to the mobile information terminal device 7 by an operation from the mobile information terminal device 7. There is a means. In the embodiment of the present invention, a portable personal computer generally called a notebook personal computer is used for the mobile information terminal device 7.

Next, the operation of the embodiment of the present invention will be described. The control unit 60 of the radio paging receiver 6 determines whether the receiver 61 extracts the area information in the message and detects the outside / in-range information, the memory usage of the memory 50 estimated from the memory allocation information memory 64, and the control circuit 65. Information on whether or not the detected drive battery has dropped below a certain level is written into a predetermined area of the system information memory 63 as management information.

Mobile information terminal 7 connected to terminal 13
When the above-mentioned radio paging modem monitor software sends a command for transmitting management information to the radio paging receiver 6, the control unit 60 transmits this management information from the terminal 13 to the mobile information terminal device 7. The paging modem monitor software displays management information on the screen of the mobile information terminal device 7.

This operation will be described in more detail with reference to FIG. FIG. 2 is a flowchart showing the operation of the control unit 60 and the paging modem monitoring software. The control unit 60 estimates the memory usage from the memory allocation information in the memory allocation information memory 64 (S1). In the embodiment of the present invention, the memory usage is written at address 1000 (S
2). If the outside / inside judging port connected from the receiver 61 to the control unit 60 is at the "High" level (S3), "1" is written to the address 1001 in the embodiment of the present invention (S4).
If it is "Low" level (S3), "0" is written to address 1001 (S5). If the low-voltage determination port of the control circuit 65 is at the "High" level (S6), in the embodiment of the present invention, "1" is written to address 1002 (S7), and "L" is set.
If it is at the "ow" level, "0" is written at address 1002 (S8). When a command is received from the paging modem monitor software of the mobile information terminal device 7 (S9), 10
The information at addresses 00 to 1002 is transmitted to the mobile information terminal device 7 (S10).

The mobile information terminal device 7 sends a command using the paging modem monitor software (S1).
1) Display the management information on the screen (S12).

Next, the overall operation including the receiving operation in the apparatus according to the embodiment of the present invention will be described with reference to FIGS. FIG. 3 is an overall configuration diagram of the embodiment of the present invention. FIG. 4 is a diagram showing the configuration and storage state of a message in the embodiment of the present invention. In FIG. 3, when transmitting a message from the information terminal device 4 to the mobile information terminal device 7, the information terminal device 4 transmits a message after establishing a line with the radio base station device 8 using the modem device 5. Send. The radio base station device 8 divides the message by the message
(A), the following the address information and the message number further address unit 10 ₁ of the radio paging receiver 6 sequentially transmits a message 10 ₂ to 10 ₄ obtained by adding a sequence number to close the message number. This message 10 ₂
10 to 10 ₄ are received by the receiver 61 and the control circuit 65
As shown in (b), the messages 10 ₁ to 10 ₄ are stored in the message storage memory 62 in the order of the message numbers. If there is an unreceived message, the message number is written in a predetermined area. At this time, the message “****” is written as pseudo data at the unreceived message in the message.
* ”.

The control circuit 65 shown in FIG. 1 extracts area information included in the message, and outputs information indicating whether the radio paging receiver 6 is within an area where the radio paging receiver 6 can receive a message and a radio paging receiver. The power alarm information indicating the state of the driving battery 6 and the usage information of the data storage memory in the paging receiver 6 are stored in the system information memory 63.

The mobile information terminal 7 via the terminal 13
The memory allocation information of the data stored in a predetermined memory area of the message storage memory 62 is read, and the message and the management information are read based on the information. At that time, the message 10 ₁ to 10 ₄ which serial number has been removed is read out from the message storage memory 62. Also, the message storage memory 62 the message 10 ₁ -
To indicate that 10 ₄ has been read, the copied data 10 ₁ to 10 ₄ with the read management flag 9 set to “1” are stored in another storage area of the message storage memory 62.
The copied data 10 ₁ to 10 ₄ are retransmitted by the retransmission request from the mobile information terminal device 7 as management information for later searching for the missing data in the mobile information terminal device 7.

Next, the operation of the control circuit 65 will be described with reference to FIG. FIG. 5 is a flowchart showing the operation of the control circuit 65. The message received by the receiver 61 is transmitted to the control circuit 6
5 (S1). Extracting the address portion 10 ₁ that contains the area information (S2). In addition, the message 10 ₂
10 ₄ extracted (S3). This message 10 ₁ ~
10 ₄ are sequentially written into the message storage memory 62 according to the serial number (S6). This message 10
If there is a missing number among ₂ to 10 ₄ (S4), “****” is displayed as a pseudo message at the message position of the missing number.
.. "Is written (S5), and the message storage memory 62 is written.
(S6). If the read instruction from the mobile information terminal device 7 (S7), the message 10 ₁ to 10 ₄ message number is removed is read from the message storage memory 62 (S8). Read the message 10 ₁ ~
10 ₄ is copied and its read management flag 9 is inverted to “1” and stored in another storage area of the message storage memory 62 (S9).

[0028]

As described above, according to the present invention, the management information is transmitted to the mobile information terminal device so that the user can grasp the state of the battery consumption, the information on the outside and inside the area, and the usage information on the message storage memory. This makes it possible to use the system efficiently and to provide more advanced information.

Further, when a loss of information occurs, it is possible to confirm the location of the loss, so that communication with a low signal error rate can be performed when used for a wireless line whose line quality changes.

[Brief description of the drawings]

FIG. 1 is a block diagram of an apparatus according to an embodiment of the present invention.

FIG. 2 is a flowchart showing the operation of the control unit and the paging modem monitor software.

FIG. 3 is an overall configuration diagram of an embodiment of the present invention.

FIG. 4 is a diagram showing a configuration and a storage state of a message according to the embodiment of the present invention.

FIG. 5 is a flowchart showing the operation of the message reception control circuit.

FIG. 6 is a diagram showing a block configuration diagram of a conventional example device and a configuration of a telegram.

[Explanation of symbols]

1, 5 Modem device 2, 4 Information terminal device 3 Telephone network 6 Radio call receiver 7 Mobile information terminal device 8 Wireless base station device 9 Read management flag 10, _14, 80 Interface 10 ₁ Address portion 10 ₂ to 10 ₄ message DESCRIPTION OF SYMBOLS 11 Data modem 13 Terminal 50 Memory 60 Control part 61 Receiver 62 Message storage memory 63 System information memory 64 Memory allocation information memory 65 Control circuit 81 Message division part

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁶ , DB name) H04B 7/24-7/26 102 H04Q 7/00-7/38 G06F 13/00 351

Claims (3)

(57) [Claims] 1. A receiver for receiving a predetermined radio signal, detecting that the radio signal includes its own calling code, demodulating and outputting message information transmitted following the calling code, and temporarily transmitting the message. A radio paging receiver comprising: a memory for storing the radio paging receiver; an interface to which a mobile information terminal device is connected; and the memory is provided with an area for storing management information of the radio paging receiver. A radio paging receiver comprising means for reading out the management information to the mobile information terminal device by an operation from the mobile information terminal device. 2. The radio paging receiver according to claim 1, wherein the management information includes power supply information, information on outside and inside the area, and information on a use state of a memory. 3. The radio paging receiver according to claim 1, wherein the interface is RS232C.