JPH02182044A - Monitoring system for repeater station radio equipment - Google Patents

Abstract

PURPOSE:To allow a master station side to monitor the state of a standby radio repeater even when an active radio repeater is in use by providing a communication stop means on a slave station side and connecting active and standby radio repeaters to an antenna at all times via an antenna multicoupler at both the master station side and the slave station side. CONSTITUTION:A command from a master station radio controller 4 is always received by a control section 12 through an antenna multicoupler 15 and a radio repeater 10 of active and standby radio repeaters 20, 21. When the active radio repeater 20 is in use, a master station radio controller 4 gives a command of stopping the communication with the slave station side of the standby radio repeater 21 and a communication stop means 14 stops the communication to stop crosstalk via the control section 12 of the standby radio repeater 21. Moreover, the state monitoring information of each section of each radio repeater 10 is periodically collected by the control section 12 of the active and standby radio repeaters 20, 21 with a command from the master station radio controller 4.

Description

[Detailed Description of the Invention] [Summary] Regarding a monitoring method for relay station radio equipment in a subscriber radio system, there is provided a relay station in which the status of a standby radio repeater can be monitored on the main station side even when a working radio repeater is in use. The purpose of this system is to provide a monitoring method for radio equipment, including an abnormality detection unit that monitors the status of a radio repeater and each part of the radio repeater and notifies the control unit of the information, and an abnormality detection unit that monitors the status of the radio repeater and each part of the radio repeater and notifies the control unit of the information. In a redundant relay station radio device having a working and standby radio repeater, which is composed of a control unit that receives data via a radio repeater and performs corresponding control, the radio of the working and standby radio repeaters is A relay communication stopping means is provided on the slave station side of the repeater, and both the master station side and the slave station side of the active and standby radio repeaters are always connected to the antenna via an antenna duplexer.

[Industrial application field]

In the present invention, a subscriber terminal of an exchange includes a subscriber line connected to the exchange, and a master station radio controller 8 connected to the subscriber line.
Monitoring of relay station radio equipment in a subscriber radio system that is connected to slave station radio equipment via the next-stage duplicated relay station radio equipment, and communications between subscriber terminals are connected through the exchange. Regarding the method.

[Conventional technology]

Figure 3 is a block diagram of an example subscriber radio system;
The figure is a diagram of a conventional relay station radio.

The subscriber radio system will be explained using FIG.

In the subscriber radio system, the subscriber terminals 2-1 to 2-6 to be connected via the plural subscriber lines 3-1 to 3-6 of the exchange 1 are connected to the plural subscriber lines 3-1 to 3-6, as shown in FIG. Subscriber line 3-
1 to 3-6 are condensed by a line concentrator 40 and connected to a master station radio controller 4, and a relay station radio 5 which is duplicated with the master station radio controller 4 and a relay station radio 5 which is duplicated with the parent station radio controller 4. The relay station radio 5 and slave station radios 6 and 7 are connected wirelessly, and the subscriber terminal 2-
1 to 2-3 are connected to the slave station radio 6, and subscriber terminals 2-4 to 2-
6 is connected to the slave station radio 7, and communication between subscriber terminals is as follows.
This is done by connecting through exchange 1.

That is, subscriber lines are extended over long distances via wireless lines.

In addition, commands from the line concentrator 40 are sent to the relay station radio 5 via the master station radio controller 4 to collect status monitoring information of the relay station radio 5, and when the current radio repeater becomes abnormal, I am trying to switch to a backup wireless repeater.

Note that the places where the relay station radio 5 and slave station radios 6 and 7 are installed are often unmanned.

Next, a conventional duplex relay station radio device will be explained using FIG. 4.

The relay station radio equipment includes a working radio repeater 20′, a backup radio repeater 21′, and in order to connect these to the antenna,
Both the master station side and the slave station side have antenna switchers 17 and 18.

The contents of the active wireless repeater 20'' and the standby wireless repeater 21° will be explained based on the active wireless repeater 20°, since they have the same configuration.

The radio device 30 for communication with the master station radio controller 4, the next stage is
The communication information with the master station radio controller 4 is transferred to the interface unit 32.
It also sends commands from the master station radio controller 4 to the controller 12, and sends responses from the controller 12 to the radio 3.
0 to the master station radio controller 4
1. An interface section 32 for interfacing with the interface section 31 and the radio device 33, a radio device 33 for communication with the slave station radio device, and a control section that monitors the status of the radio devices 30, 33 and the interface section 31, 32, and sends information to the control section. The abnormality detection unit 13 sends the status information to the abnormality detection unit 12, and the status information from the abnormality detection unit 13 is transmitted according to a command from the master station wireless controller 4, and the antenna switcher 17, 18 can be connected to a backup wireless repeater according to a command. 21''. Normally, the antenna is connected to the active wireless repeater 20' side by antenna switchers 17 and 18 on both the master station and slave stations. The line concentrator 40 periodically collects monitoring information of each part of the working wireless repeater 20'' from the control unit 12 of the working wireless repeater 20'' via the master station wireless controller 4. When an abnormality occurs, a switching command is issued.

Then, the switching command is issued to the wireless device 30 of the working wireless repeater 20. The signal is sent to the control unit 12 via the interface unit 31, and under the control of the control unit 12, the antenna switch 17, 18 is configured to connect the antenna to the backup wireless repeater 21'.
, and communication is performed using the standby wireless repeater 21'.

[Problem to be solved by the invention]

However, normally, the standby wireless repeater 2B is not wirelessly connected to the master station wireless controller 4, so the status of each part of the standby wireless repeater 21° cannot be monitored on the master station side, and if an abnormality occurs. There is a problem that it cannot fulfill its role as a redundant (it is unclear whether or not it can fulfill its role as a redundant, which reduces reliability).

SUMMARY OF THE INVENTION The present invention aims to provide a relay station radio equipment monitoring system that allows a master station to monitor the status of a standby radio repeater even when a working radio repeater is in use.

In a redundant relay station radio device 5 having working and standby radio repeaters 20.21, the radio repeater 10 of the working and standby radio repeaters 20.21 is configured by a control unit 12 that performs the following steps.
Communication stop means 14 is provided on the slave station side of the main station side of the working and standby wireless repeaters 20 and 21.

Both slave stations are always connected to the antenna via antenna duplexers 15 and 16.

[Means to solve the problem] FIG. 1 is a block diagram of the principle of the present invention.

As shown in FIG. 1, a subscriber terminal 2 of an exchange 1 includes a subscriber line 3 connected to the exchange 1, a master station radio controller 42 connected to the subscriber line 3, and a secondary duplex unit 42 connected to the subscriber line 3. Monitors the status of the radio repeater 10 and each part of the radio repeater 10 in the subscriber radio system connected to the slave station Ii6 via the relay station radio 5, and notifies the control unit 12 of the information. According to the present invention, the abnormality detection unit 13 receives the command from the master station wireless controller 4 via the wireless repeater 10 and performs the corresponding control. The command is always sent to the antenna duplexer 15. Active and backup wireless repeaters 20.
Since the control unit 12 can receive the data via the wireless repeater 10 of 21, when the active wireless repeater 20 is used, the communication with the slave station side of the standby wireless repeater 21 is controlled from the master station wireless controller 4. The controller 12 of the standby wireless repeater 21 issues a command to stop.
The communication stop means 14 stops communication via the communication stop means 14 to prevent interference.

In response to a command from the father station wireless controller 4, the control units 12 of the active and standby wireless repeaters 20 and 21
Collect status monitoring information of each part regularly.

Therefore, even when the active wireless repeater 20 is in use, the status of the standby wireless repeater 21 can be monitored.

〔Example] An embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 2 is a block diagram of a relay station radio according to an embodiment of the present invention.

2 is different from the conventional example shown in FIG. 4 in that the antenna switching devices 17 and 18 are replaced with antenna duplexers 15 and 16, and that the control unit 12 controls the active and standby wireless repeaters 20 and 20.
The output of the wireless device 33 on the slave station side of 21 can be switched between the antenna duplexer 16 and the dummy load 34 by using the switch SWI.

This different point will be mainly explained below.

When the active radio repeater 20 is in use, the master station radio controller 4 issues a command to switch the switch SWI of the standby radio repeater 21 to the dummy load 34. This command is sent to the antenna duplexer 15, the radio equipment 30 of the standby radio repeater 21.
The signal is sent to the control unit 12 via the interface unit 31, and the switch SW1 is switched to the dummy load 34 side, making it impossible to communicate with the slave station via the radio 33.

The status monitoring information of each part of the standby wireless repeater 21 is sent from the abnormality detection section 13 to the control section 12, and is sent to the master station wireless controller 4.
When a command is given to send status monitoring information for each part of the standby wireless repeater 21, this command is sent to the control unit 12 through the same route as above.
The control section 12 sends the status monitoring information of each section to the interface section 31, radio device 30. It is transmitted to the master station radio controller 4 via the antenna duplexer 15.

Therefore, on the master station radio controller 4 side, the working radio repeater 20
Even in use, it becomes possible to monitor the status of each part of the active wireless repeater 20 as well as the status of each part of the standby wireless repeater 21, and if there is an abnormality, it can be repaired immediately and the reliability of the system can be improved.

〔Effect of the invention〕

As explained in detail above (according to the present invention, on the master station radio controller 4 side, even when the active radio repeater 20 is in use, it is possible to monitor the status of each part of the standby radio repeater 21, and if there is an abnormality, If the problem occurs, it can be repaired immediately, which has the effect of improving the reliability of the system.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of the principle of the present invention, FIG. 2 is a block diagram of a relay station radio according to an embodiment of the present invention, FIG. 3 is a block diagram of an example of a subscriber radio system, and FIG.
The figure is a block diagram of a conventional relay station radio device. In the figure, l is an exchange, 2. 2-1 to 2-6 are subscriber terminals, 3. 3-1 to 3-6 are subscriber lines, 4 is a master station radio controller, 5 is a relay station radio, 6.7 is a slave station radio device, 10 is a radio repeater, 12 is a control unit, I3 is an abnormality detection unit, 14 is a communication stop means, 15.16 is an antenna duplexer, 17.18 is an antenna switcher, 20 is a 21 is a standby radio repeater, 30.33 is a radio device, 31.32 is an interface unit, 34 is a dummy load, 40 is a line concentrator, and SWI is a swift. I-+) Saku-12Q drunkenness

Claims (1)

[Scope of Claims] A subscriber terminal (2) of an exchange (1) includes a subscriber line (3) connected to the exchange (1), and a master station wireless control connected to the subscriber line (3). The radio repeater (10) and the radio of the subscriber radio system are connected to the slave station radio (6) via the repeater station radio (5), which is the next stage's duplicated relay station radio (5). An abnormality detection unit (13) monitors the status of each part of the repeater (10) and notifies the control unit (12) of the information, and an abnormality detection unit (13) that monitors the status of each part of the repeater (10) and notifies the control unit (12) of the information, and a ) in a duplex relay station radio device (5) having working and standby radio repeaters (20, 21), which is composed of a control unit (12) that performs the corresponding control after receiving radio signals via the Communication stop means (14) is provided on the slave station side of the wireless repeater (10) of the working and standby wireless repeaters (20, 21), and the parent station of the working and standby wireless repeaters (20, 21) Both the station side and the slave station side are always connected to the antenna via the antenna duplexer (15, 16), and the status of the active and standby wireless repeaters (20, 21) is always monitored from the master station radio controller (4). A monitoring method for relay station radio equipment, which is characterized by enabling monitoring.