JPH0828711B2 - In-station supervisory control device and method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Outline] Regarding an intra-station supervisory control apparatus and method for centrally supervising and controlling the equipment in one station in a wireless communication system for performing line switching control, each information is requested. While satisfying the required processing speed,
In order to reduce the number of cables between each device compared to the conventional method, the device monitors multiple wireless devices that generate multiple types of monitoring information with different amount of information including line switching monitoring information and request processing speed. Which is provided for each wireless device, decomposes the plurality of types of monitoring information according to the amount of information, and combines them at a frequency according to the requested processing speed to generate a multiframe composed of a plurality of short frames. And a multi-frame generation means for
Polling signal transmitting means for sequentially transmitting a polling signal including line switching control information to each wireless device, and each wireless device, receiving the polling signal, and extracting the line switching control information in the polling signal, Polling response means for sequentially sending monitoring information in units of the short frames in response to the polling signal, and monitoring control side, receiving the short frames, extracting line switching monitoring information and combining for each wireless device And a monitoring information reception processing means for restoring the monitoring information.

[Industrial applications]

The present invention relates to an intra-station supervisory control apparatus and method for centrally supervising and controlling equipment in one station in a wireless communication system that performs line switching control.

[Conventional technology]

FIG. 8 is a diagram showing an outline of equipment provided in a station serving as a transmission end or a reception end of a digital multiplex wireless communication system for performing line switching control and a conventional type intra-station supervisory control device for supervising and controlling those devices. .

The monitored / controlled device 100 is provided with, for example, 15 systems, and a standby system 100 ′ is further provided. The information to be exchanged with the monitoring control device 500 that monitors and controls them is classified into the following three types.

Line switching information Device monitoring information Numerical information Of these, a line switching device 101 for switching to the standby system when line quality is degraded or the line is disconnected due to a failure such as fading in one of the 15 systems Information for controlling and monitoring, which should be transmitted in both directions. In addition, this information must be transferred at high speed in order to automatically switch the line instantaneously, but it has a property that the amount of information is small.

Is 1-bit information for reporting an abnormality in each device and should be transmitted in one direction. This is displayed and output as an alarm on the panel for monitoring. So it needs to be transmitted relatively quickly,
The amount of information is not very large.

Is the power supply voltage of the equipment, output level of transmitter 104, demodulator 1
Numerical information represented by multiple bits, such as the error rate in 02, should be transmitted in one direction. These are displayed and output according to the request of the maintenance person. Therefore, although high speed is not required so much, it has a property that the amount of information is large.

Conventionally, these three types of data with different properties are
As shown in the figure, the supervisory controller 50 is provided on each separate line.
Data was exchanged by connecting to 0. Information is exchanged by sequentially polling each device via separate serial lines at different timings, and information is transmitted in the form of parallel signals. Further, the line switching control information is included in the polling signal from the monitor control device 500.

[Problems to be Solved by the Invention]

As described above, since three types of information are sent and received on separate lines, the number of cables connecting each monitored and controlled device and the monitored and controlled device becomes large, and the man-hours at the time of installation and the price of the cable itself are reduced. There was the problem of becoming expensive. If these pieces of information are simply multiplexed in order to reduce the number of cables, the amount of information at one time will be large, which will hinder the line switching monitoring and transmission of control information that requires high speed. .

Therefore, an object of the present invention is to reduce the number of cables between each device as compared with the conventional system while satisfying the processing speed required for each information.

[Means for solving the problem]

FIG. 1 is a diagram for explaining the principle configuration of the present invention. In the figure, an in-station monitoring and controlling apparatus of the present invention comprises a plurality of wireless devices 10 for respectively generating a plurality of types of monitoring information having different information amounts including line switching monitoring information and request processing speeds.
Is a device for monitoring and controlling a plurality of short frames that are provided for each of the wireless devices 10, decompose the plurality of types of monitoring information according to the amount of information, and combine them at a frequency according to the requested processing speed. Multi-frame generating means 20 for generating a frame, polling signal transmitting means 22 provided on the supervisory control side for sequentially transmitting a polling signal including line switching control information to each wireless device 10, and each wireless device 10 are provided. Provided on the supervisory control side, and polling response means 24 for receiving the polling signal, extracting the line switching control information in the polling signal, and sequentially sending the supervisory information in units of the short frames in response to the polling signal. Receiving the short frame, extracting the line switching monitoring information, and combining each wireless device 10 to restore the monitoring information. It is characterized in that it comprises a processing unit 26.

Further, the in-station monitoring and controlling method of the present invention is a method for monitoring and controlling a plurality of wireless devices 10 that respectively generate a plurality of types of monitoring information having different information amounts including line switching monitoring information and request processing speeds, For each wireless device 10, the plurality of types of monitoring information are decomposed according to the amount of information and combined at a frequency according to the requested processing speed to generate a multi-frame consisting of a plurality of short frames. A polling signal including information is sequentially transmitted to each wireless device 10, the polling signal is received for each wireless device 10, the line switching control information in the polling signal is extracted, and the polling signal is transmitted in response to the polling signal. The monitoring information is sent in sequence for each short frame, and the monitoring control side
The present invention is characterized by including each step of receiving the short frame, extracting line switching monitoring information, and combining each wireless device 10 to restore the monitoring information.

[Action]

By combining multiple types of information at a frequency according to the requested processing speed to form a multi-frame and sequentially transmitting by a polling method, it is possible to exchange information with one serial line, and high speed is required. However, information with a small amount of information can be transmitted at high speed.

〔Example〕

FIG. 2 is a diagram showing an embodiment of the present invention. Also,
FIG. 3 shows the monitoring control device 510 and the monitored control device 110 shown in FIG.
FIG. 7 is a diagram showing a sequence of transmitting and receiving signals to and from 110 'and 110'.

A communication control unit 112 is provided in the monitored and controlled devices 110 and 110 '. The communication control unit 112 collects signals corresponding to the above in the device and generates a multi-frame composed of a large number of short frames in a format described later. Then, the polling signal P transmitted from the monitoring controller 510
When the address number in #i (i = 1 to n) (FIG. 3) matches its own address number, polling signal P # i
The internal information is fetched, and the polling response signal A # i (FIG. 3) is transmitted to the monitoring controller 510 in units of short frames in response to the polling signal. Also, the communication control unit 112
The information in the polling signal taken in is the line switching device 10
Propagate to 1.

The monitoring control device 510 is provided with an information collecting unit 512.
The information collecting unit 512 sends the polling signal P # i including the line switching control information from the line switching control unit 514 while sequentially changing the address number, and the information in the polling response signal A # i returned in response to the polling signal P # i. Is temporarily stored and combined as needed to be transmitted to the line switching control unit 514 and the display unit 516 as line switching monitoring information, numerical information and device monitoring information.

FIG. 4 is a diagram showing detailed configurations of the polling signal P # i and the polling response signal A # i shown in FIG. 3 in columns (a) and (b), respectively. The polling signal P # i includes line switching control information I for controlling line switching as information. Polling response signal A
Numerical information SVA1,2 in #i is assigned 8 + 8 = 16 bits for one short frame, but the number of bits is insufficient to represent one numerical information, so it is sent. The information to be monitored is stored for each monitored control device, and by combining the information from a plurality of short frames for the same monitored control device, the location number and the numerical value of one numerical information are restored. 8-bit SV
Each bit of D corresponds to each piece of device monitoring information. 8
The bit SW is information for monitoring the status of line switching.

FIG. 5 is a diagram showing an example of a multi-frame generated in the present invention. In the figure, each short frame constituting the multi-frame is shown in the order of reception by the monitor control device 510. For example, the device with address number 2 responds to the polling signal by (FLM1, Add2), (FLM1
Short frames are output in the order of LM2, Add2), (FLM3, Add2) .... The same applies to other devices. Therefore, the line switching monitoring information indicated by SW is updated every time the monitoring controller 510 receives n short frames. The device monitoring information indicated by SVD is updated every time the monitoring controller 510 receives m × n short frames, and during that time, a maximum of 8 bits × m information is received per device. SV
For the numerical information indicated by A1 and SVA2, the monitoring controller 510
Receives a piece of numerical information from each device every time it receives an m × n short frame. Therefore, one piece of numerical information is composed of a maximum of (8 + 8) bits × m, of which several bits are numbers representing measurement items.

As an example, if each short frame is composed of 64 bits, and m, n = 16 and it is transmitted at 2.5 Mbps, the transmission time of the polling signal and the time before and after that are ignored, and the calculation of the line switching supervisory signal is performed. The update cycle is 0.4 msec, device monitoring information is 6.6 msec, and numerical information is 6.6 msec x number of items.

FIG. 6 is a diagram showing an example of a detailed configuration of the information collecting unit 512 provided in the monitoring control device 510 of FIG.

The polling signal generation circuit 5120 uses the line switching control information from the line switching control unit 514 to add the frame address counter 51
Frame address from 21 and device address counter 5122
The polling signal of the format shown in the column (a) of FIG. 4 is generated by adding the device address from (1) to (5) and is sent to each monitored and controlled device via the transmission line 5123. The separation circuit 5125 receives the response signal via the reception circuit 5124, and separates the device address, the frame address, the line switching monitoring information (SW), the device monitoring information (SVD), the numerical information and the item number thereof.
The device address and the line switching monitoring information are sent to the line switching control unit 514. Device monitoring information is stored in the device monitoring memory 5126 using the device address and the frame address as addresses, and is displayed on the display unit 516. Numerical value information memory 5127 stores numerical value information with a device address, a numerical value information item number, and a frame address as addresses. By combining numerical value information in the order of frame addresses, one numerical value is restored and displayed on display unit 516. .

FIG. 7 is a diagram showing an example of a detailed configuration of the communication control unit 112 provided in the monitored and controlled devices 110 and 110 'of FIG.

The separation circuit 1121 is connected to the monitoring control device 51 via the reception circuit 1120.
The device address, line switching control information, and frame address are separated from the polling signal received from 0.
The device address is compared with its own device address in the determination circuit 1122, and only when both match, the line switching control information is sent to the line switching circuit 101, and the response signal generation circuit 1124 is activated. Response signal generation circuit 11
Reference numeral 24 is a combination of the device monitoring information and the part selected by the frame address of the numerical information and the line switching monitoring information from the line switching circuit 101 to generate a polling response signal in the format shown in FIG. 4 (b). , To the monitoring control device 510 via the transmission circuit 1125.

〔The invention's effect〕

As described above, according to the present invention, it is possible to transmit information of different properties by one serial line while satisfying the processing speeds required for each, and the number of steps for the cable, the connector and the installation can be reduced. Be reduced.

[Brief description of drawings]

FIG. 1 is a diagram showing the principle configuration of the present invention, FIG. 2 is a diagram showing an embodiment of the device according to the present invention, FIG. 3 is a diagram showing a polling sequence in the device of FIG. 2, and FIG. 5 is a diagram showing the structure of a polling signal and a polling response signal, FIG. 5 is a diagram showing the structure of a multiframe, FIG. 6 is a diagram showing the detailed structure of the information collecting unit 512 of FIG. 2, and FIG. 2 is a diagram showing a detailed configuration of the communication control unit 112 in FIG. 2, and FIG. 8 is a diagram showing a conventional in-station supervisory control device. In the figure, 100, 100 ', 110, 110' ... Monitored control device, 500, 510 ... Monitoring control device.

Claims (2)

[Claims] 1. An apparatus for monitoring and controlling a plurality of wireless devices (10), each of which generates a plurality of types of monitoring information having different information amounts including line switching monitoring information and different request processing speeds. ), A multi-frame generating means (20) for disassembling the plurality of types of monitoring information according to the amount of information, and combining them at a frequency according to the requested processing speed to generate a multi-frame composed of a plurality of short frames, Polling signal sending means (22) provided on the supervisory control side for sequentially sending a polling signal including line switching control information to each wireless device (10), and provided for each wireless device (10) to send the polling signal. A polling responder that receives and retrieves the line switching control information in the polling signal, and sequentially sends the monitoring information in units of the short frames in response to the polling signal. And (24), provided in the monitoring control side, receiving the short frame,
An intra-station supervisory control device comprising: a supervisory information reception processing means (26) for retrieving the supervisory information by taking out the line switching supervisory information and combining it with each wireless device (10). 2. A method for monitoring and controlling a plurality of wireless devices (10) which respectively generate a plurality of types of monitoring information having different information amounts including line switching monitoring information and request processing speeds. ), The multiple types of monitoring information are decomposed according to the amount of information, and combined at a frequency according to the requested processing speed to generate a multi-frame consisting of multiple short frames. A polling signal containing the polling signal is sequentially sent to each wireless device (10), the polling signal is received for each wireless device (10), the line switching control information in the polling signal is extracted, and the polling signal is responded to. Then, the monitoring information is sequentially transmitted in units of the short frames, and the monitoring control side receives the short frames and extracts the line switching monitoring information and at the same time for each wireless device (10). Station monitoring control method characterized by comprising the step of combining by restoring the monitoring information.