JPH0312809B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a paging system that is a service for calling absent subscribers, and more particularly to a paging system having a transmission information confirmation function.

[Prior art]

In traditional paging systems, the paging call from the caller to the pager is one-way, and the pager call information sent from the transmitter is only sent one-way by the system, and its normality cannot be confirmed. It had not been done. Therefore, the system was unable to determine whether the pager calling information was transmitted normally, and the caller was also unable to know.

Here, a conventional paging system will be explained with reference to the drawings. FIG. 1 is an example of a conventional paging system. In FIG. 1, when a caller 1 makes a call to make a pager call S1 to a pager 13, a subscriber circuit 5 detects the call and operates under the control of a storage program stored in a main memory 2. The central control unit 3 detects the pager call request S1 of the calling party 1.

Next, the central control device 3 selects the push button (PB) signal receiving circuit 7 for the calling party 1 and the subscriber circuit 5, and controls the communication path control device 4 to connect the subscriber circuit 5 and the PB signal. A communication path 6 connects it to a signal receiving circuit 7 .

At this point, caller 1 can press pager 1 by pressing the numeric keys on the pushbutton telephone.
3 number S2 is sent, and the push button signal S
2 is received by the PB signal receiving circuit 7 via the communication path 6. The central control device 3 reads the reception result S2 from the PB signal receiving circuit 7 by controlling the communication path control device 4, and thereby determines that the pager call request of the calling party 1 is for the pager 13. identify.

Next, the central control device 3 transmits information S3 for calling the pager 13 designated by the calling party 1 to the data terminal control device 8. The data terminal control device 88 and the regional control device 10 perform data communication according to a predetermined data communication procedure (protocol), but in this case, the pager call information S3 is sent from the data terminal control device 8 to the regional control device 10. be done. Note that if the distance between the data terminal control device 8 and the regional control device 10 is long, the modem device 9,
9' is used between the two parties.

The regional control device 10 receives the pager call information S3.
is transmitted to the transmitter 11, and the transmitter 11 transmits the antenna 1 to the transmitter 11.
1a, the pager call information S3 is sent into the air. When the pager 13 identifies that the sent pager call information S3 is for its own pager using the pager identification information included in the pager call information S3, the pager 13 displays an incoming call and sends the pager owner a message. Notifies you of an incoming call.

In addition, the test pager 12 connected to the transmitter 11 is a pager that has unique pager identification information and is basically the same as the pager 13, but the system can check the normality of the system. For confirmation, the pager is periodically called S4 to the test pager 12 by the storage program control.
The pager call information S4 for the test pager 12 is sent from the transmitter 11 via the antenna 11a via the data terminal control device 8, modem devices 9, 9', and regional control device 10, and the test pager The pager 12 confirms the call S4 and sends the confirmation information 5 to the transmitter 11, which in turn sends the confirmation information S5 to the regional control device 1.
The normality of the system's operation is confirmed by transmitting the data to the central control unit 3 for storage program control via the modem/modulators 9, 9' and the data terminal controller 8.

However, since the test pager 12 checks the system normality only for the test pager 12 and not for the normal pager 13, it is not sufficient as a system normality check function.

In this way, in the conventional paging system, the paging call from the calling party 1 to the pager 13 is one-way, and it is difficult to confirm whether the pager paging information from the calling party 1 to the pager 13 has been successfully transmitted by the system. The system was not equipped with this function, and the normality of system operation had not been sufficiently confirmed.

[Purpose of the invention]

The present invention solves the above-mentioned drawbacks, confirms that the pager call information output by the regional control device is normally transmitted from the transmitter, and in the case of an abnormality, only the pager call information is transmitted normally within a specified number of times. The transmitter transmits until it is sent, and if there is a possibility of an erroneous call to a certain pager due to the transmission error, it transmits information to the pager that the previous call is invalid. The present invention provides a paging system with a transmitted information confirmation function that makes it possible to perform the following functions.

[Structure of the invention]

The paging system of the present invention includes: a storage circuit that stores pager call information sent from a regional control device to a transmitter; a receiver that receives pager call information sent from the transmitter; A verification circuit that verifies the information stored in the circuit and the information received by the receiver; and a verification circuit that controls the regional control device, the storage circuit, the receiver, the transmitter, and the verification circuit; When the verification results match, the pager call information stored in the storage circuit is erased, and when the verification results do not match, the same transmission information is transmitted again and verification is performed by the verification circuit. a control circuit for transmitting abnormal pager call information from the transmitter to which information indicating that the pager call is abnormal is added based on the transmitted information if a matching result is still not obtained after a predetermined number of checking steps are performed; It is characterized by having the following.

[Explanation of Examples]

Embodiments of the present invention will be described with reference to the drawings. FIG. 2 shows an embodiment of a paging system with a transmission information confirmation function according to the present invention. Note that the functional blocks labeled with reference numbers in FIG. 2 are exactly the same as those labeled with the same numbers in FIG.
In FIG. 2, a control circuit 14, a memory circuit 15,
A verification circuit 16 and a receiver 17 have been added to FIG.

The pager call information S3 from the caller 1 to the pager 13 is transmitted to the regional control device 10 in the same manner as in the prior art. The regional control device 10 is
If output to the transmitter 11 is permitted by the control circuit 14, the pager call information S3 is output to the transmitter 11. At this time, memory circuit 1
5 stores the pager call information S3 according to instructions from the control circuit 14. The transmitter 11 emits the pager call information S3 into the air as a radio wave via the antenna 11a, and the radio wave is received by the pager 13 and, on the other hand, by the receiver 17.
received by.

The pager call information S3 received by the receiver 17 is sent to the verification circuit 1 according to instructions from the control circuit 14.
Output for 6. The control circuit 14 receives the corresponding pager call information S3 from the storage circuit 15.
It is output to the verification circuit 16. Verification circuit 16
inputs the output of the receiver 17 and the output of the memory circuit 15, and compares the two. Thereby, it can be determined whether the output of the status control device 10 has been normally transmitted from the transmitter 11 via the antenna 11a. That is, if the verification results match in the verification circuit 16, it can be confirmed that the pager call information S3 from the regional control device 10 has been transmitted normally as a radio wave.

At this time, the pager 13 identifies that the sent pager call information S3 is for its own pager using the pager identification information included in the pager call information S3, displays an incoming call, and takes the pager with it. Notify the recipient of an incoming call.

The verification circuit 16 outputs the verification result, that is, the pager call information output from the regional control device 10 in this case, and
The content matches the pager call information actually transmitted in the air as radio waves, and a report is made to the control circuit 14 that the transmission was performed normally (S11). Based on the report S11, the control circuit 14 erases the contents of the storage section in the storage circuit 15 in which the pager call information S3 was stored, so that the storage section can be used for the next pager call information. .
This terminates the normal operation.

Next, in the verification circuit 16, if the verification results do not match, it is determined that the pager call information S3 from the regional control device 10 was not transmitted normally as a radio wave. Note that even if the receiver 17 does not receive the pager call information S3 within a certain period of time, it is determined that the pager call information S3 was not transmitted normally as a radio wave. At this time, the pager 13 cannot originally receive the pager call information S3 for its own pager, and there is a possibility that an incoming call may occur to another pager different from the pager 13 due to the abnormal pager call information transmitted as radio waves. There is sex.

The verification circuit 16 detects the verification result, that is, the content of the pager calling information S3 output from the regional control device 10 and the pager calling information actually transmitted in the air as radio waves does not match, and the transmission is not performed normally. S11 reports to the control circuit 14 that the
do. Furthermore, the control circuit 14 monitors whether the pager call information S3 is received by the receiver 17 within a certain period of time, and if it is not received, the pager call information S3 is transmitted normally as a radio wave. It is determined that there was no

The control circuit 14 reads out the contents of the storage unit in which the pager call information has been stored from the storage circuit 15 based on the abnormality report S11 from the collation circuit 16 or the abnormality detection by the control circuit 14 itself, and sends the information to the regional control device 10. Output S3 is performed on the other hand. The regional control device 10 outputs the pager call information S3 to the transmitter 11 again, and repeats the above-described operation.

The operation for the abnormality regarding the same pager call information S3 is performed a specified number of times, and if the operation becomes normal within the specified number of times, the operation is terminated as normal at that point. If the page does not become normal within the prescribed number of times, the control circuit 14 sends the page to the central control unit 3 for storage program control via the regional control unit 10, modem units 9, 9', and data terminal control unit 8. A report S13 is made that the call information S3 was not transmitted normally. Here, the control circuit 14
erases the contents of the memory section of the memory circuit 15 in which the pager call information has been stored, so that the memory section can be used for the next pager call information.

In this case, the abnormal pager call information actually transmitted as radio waves causes the pager 13 to
Since there is a possibility that an incoming call has occurred to another pager (not shown) different from the pager 1, the control circuit 14 transfers the abnormal pager call information received by the receiving circuit 17 to the original caller 1. The pager is outputted to the regional control device 10 by adding information indicating that the paging request is not from a paging request, but is an abnormal pager call information that has been sent by mistake for some reason.
4. By transmitting the abnormal pager call information into the air from the transmitter 11 via the antenna 11a, the pager (not shown) corresponding to the pager identification information included in the abnormal pager call information is transmitted. You can notify that the incoming call is invalid. This terminates the operation in the case of an abnormality.

It is assumed that the control circuit 14 prohibits the output operation to the transmitter 11 of the regional control device 10 while the storage circuit 15 is operating on the control circuit 14 or the collation circuit 16.

〔Effect of the invention〕

In this way, from the regional control device 10 to the transmitter 11
a storage circuit 15 for storing pager call information S3 outputted to the antenna 11a from the transmitter 11;
a receiver 17 that receives the pager call information S3 sent out via the receiver 17; a verification circuit 16 that collates the information stored in the storage circuit 15 with the information received by the receiver 17; and the regional control circuit 10. By providing the storage circuit 15, the verification circuit 16, and the control circuit 14 that controls the receiver 17, in the paging system, the pager call information S3 output from the regional control device 10 is transmitted from the transmitter 11 via the antenna 11a. Check whether it was sent normally, and if it is abnormal, send the pager call information S
3 can be transmitted from the transmitter 11 until it is successfully transmitted within the specified number of times, and information indicating that the abnormal pager call information transmitted for some reason is invalid is added. hand,
It becomes possible to transmit from the transmitter 11 again. There is an effect. In other words, as described above, the present invention, in a paging system, confirms that the pager call information output from the regional control device is normally transmitted from the transmitter,
In the case of an abnormality, only the pager calling information is transmitted from the transmitter until it is successfully transmitted within the specified number of times, and if there is a possibility that a certain pager will be called incorrectly due to the transmission abnormality, The effect is to convey information to the pager that the previous call is invalid.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of an embodiment of a conventional paging system, and FIG. 2 is a block diagram of an embodiment of a paging system with a transmission information confirmation function according to the present invention. 1: Caller (SuB), 10: Regional control device (DC), 11: Transmitter (TX), 13: Pager (PG), 14: Control circuit (CTL), 15: Memory circuit (MEM), 16 : Matching circuit (MAT), 17:
Receiver (RX).

Claims (1)

[Claims] 1. A storage circuit that stores pager call information sent from a regional control device to a transmitter, a receiver that receives pager call information sent from the transmitter, and information stored in the storage circuit. and a verification circuit that collates the information received by the receiver, the regional control device, the storage circuit, the receiver,
controlling a transmitter and a verification circuit to erase the pager call information stored in the storage circuit when the verification results of the verification circuit match;
If the matching results do not match, the procedure of transmitting the same transmitted information again and checking the matching by the matching circuit is performed a predetermined number of times, and if a matching result is still not obtained, the pager is called using the transmitted information. 1. A paging system with a transmission information confirmation function, comprising: a control circuit that causes the transmitter to transmit abnormal pager call information to which information indicating an abnormality is added.