JP3235063B2 - Wireless communication system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless communication system capable of wireless communication between a plurality of wireless master units and a plurality of wireless slave units connected to a main communication control unit mainly connected to a communication line. More specifically, communication processing information indicating the processing content of communication control stored in the wireless master device from the main communication control device connected to a personal computer (hereinafter referred to as a personal computer), and communication with the wireless slave device. The present invention relates to a wireless communication system having a function of arbitrarily reading and displaying transmitted and received communication information to collect and manage the information.

[0002]

2. Description of the Related Art Conventionally, a radio communication system of this type includes a main communication control unit such as an exchange connected to a communication line such as a telephone line, a radio base station CS connected to the main communication control unit, and the like.
The wireless communication device is configured to include a wireless communication device PS capable of performing wireless communication with the wireless communication device CS, and wireless communication between the wireless communication device CS and the wireless communication device PS is performed by communication control in the main communication control device. It has become.

Recently, by connecting a personal computer PC as a wireless terminal device to a wireless communication system,
Attempts have been made to analyze communication processing. In such a case, a personal computer PC is directly connected to the radio cell station CS, and communication processing information indicating the content of the communication control processing between the radio cell station CS and the main communication control device is communicated between the radio cell station CS and the radio cell station PS. Communication information and the personal computer PC through the wireless master unit CS
Is displayed on the monitor.

[0004] Incidentally, such a wireless communication system is
The radio cell station CS or radio cell station C connected to the main communication control device
It is also possible to increase the scale by using a plurality of wireless handsets PS capable of wireless communication with S.

[0005]

In the case of the above-described wireless communication system, a plurality of wireless master units connected to the main communication control unit and a plurality of wireless slave units capable of wireless communication with the wireless master unit are provided. When the scale is increased, it is very difficult to know which wireless master unit is actually sending and receiving communication when analyzing a communication process by connecting a personal computer directly to the wireless master unit. In addition, there is a problem in that there is a large number of wireless base stations installed in a running system, so it is difficult to connect personal computers to all wireless base units and analyze communication processing. At present, it is difficult to analyze communication processing because it is impossible in terms of installation conditions.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and the technical problem is that even when a plurality of radio base units and radio sub units are provided and the scale is increased, each radio base unit is It is another object of the present invention to provide a wireless communication system having a simple configuration capable of easily and accurately analyzing a communication process between the wireless slave devices.

[0007]

According to the present invention, a main communication control unit connected to a communication line, a plurality of wireless master units connected to the main communication control unit, and a plurality of wireless master units are connected. In the wireless communication system that performs communication control between the plurality of wireless base units and the plurality of wireless base units, the main communication control device includes: ,
Communication processing information indicating the processing content of the communication control, and communication information transmitted and received between a plurality of wireless slaves are written and held according to time information, and the main communication control device is a dedicated communication device for connecting a personal computer. A personal computer interface is provided, and the personal computer issues operation processing instructions including control of communication processing information and operation of writing, holding and storing communication information, and control of operation of displaying on a monitor screen attached thereto. In addition, the main communication control device can select any one of the plurality of wireless master devices in accordance with the operation processing instruction, including a case where all of the plurality of wireless master devices are collectively instructed by the operation processing instruction. Either stop or start the storage operation by writing and holding the information and the communication information, or execute the communication processing stored in the plurality of wireless base units. Wireless communication system is obtained for controlling the operation of notifying the information and the communication information into the personal computer.

According to the present invention, in the above-mentioned wireless communication system, the communication processing information includes a first downlink command from the main communication control device to a plurality of wireless master units, and the main processing unit transmits the first down command to the plurality of wireless master units. The communication information includes a first uplink command directed to the communication control device, and the communication information includes a second downlink command directed from a plurality of wireless base units to a plurality of wireless slave units and the plurality of wireless slave units from the plurality of wireless slave units. And a second uplink command directed to the radio cell station.
While always writing and holding the data indicated by the up command, the second down command, and the second up command,
At the time of writing and holding, a wireless communication system can be obtained in which a log processing record is taken out from a personal computer via a main communication control device, is recorded and held in a recording area by a fixed amount, and a log recording table is rewritable.

Further, according to the present invention, in the above-mentioned wireless communication system, the plurality of wireless master units receive a notification request when controlling a storage operation and a display operation by the main communication control device. The communication processing information indicating the entire contents of the log recording table and the log processing recording data including the communication information are transmitted to the personal computer via the main communication control device, and when the request for stopping is received, the log recording table is A wireless communication system is obtained in which the writing process for constructing the log recording table is stopped, and when the request for starting is received, the writing process for constructing the log record table is resumed at the time of receiving the request.

In addition, according to the present invention, in the above wireless communication system, a wireless communication system is provided in which the main communication control device performs data conversion so that log processing record data can be displayed on a monitor screen of a personal computer.

[0011]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram showing a basic configuration of a wireless communication system according to one embodiment of the present invention. This wireless communication system includes a main communication control device 1 connected to a communication line such as a telephone line, a plurality of wireless master devices CS1 to CSn connected to the main communication control device 1, and a plurality of wireless master devices CS1 to CSn.
To a plurality of wireless handsets PS1 capable of wireless communication with CSn to CSn
To PSm, and the main communication control device 1 has a function of performing communication control between the plurality of wireless master devices CS1 to CSn and the plurality of wireless slave devices PS1 to PSm in the conventional manner. Communication processing information indicating the processing contents of the communication control by the plurality of wireless master devices CS1 to CSn, and the plurality of wireless slave devices PS1 to PSn
Communication information to be transmitted / received to / from PSm is written and held according to time information.

In this wireless communication system, the main communication control device 1 includes a dedicated personal computer interface PC / IF for connecting the personal computer PC, and the personal computer PC
Issues an operation processing instruction including control of communication processing information and operation of writing, holding, and storing communication information, and control of operation of displaying the information on a monitor screen (not shown) attached thereto. Thereby, the main communication control device 1 stops or starts the accumulation operation by writing and holding the communication processing information and the communication information to the plurality of wireless master devices CS1 to CSn according to the operation processing instruction, or the plurality of wireless master devices CS1 to CSn. CSn
Communication processing information and communication information stored in the PC
Notify. In the personal computer PC, an arbitrary one can be selected, including a case where all of the plurality of wireless master units CS1 to CSn are collectively instructed by an operation processing instruction.

FIG. 2 is a block diagram showing a detailed configuration of the radio cell station CSn provided in the radio communication system including peripheral devices. The wireless master device CSn is connected to the main communication control device 1 via a system interface (I / F) 5 by wire, and is connected to an arbitrary wireless slave device via a wireless interface (I / F) 6 having an antenna 7. The system interface (I / F) 5 and the wireless interface (I / F) 6 transmit and receive information to and from the recording area 4.
It is connected to a PU (Central Processing Unit) 3.

Therefore, in the radio base station CSn having such a configuration, the main communication control apparatus 1 transmits the communication processing information with the main communication control apparatus 1 via the system interface 5 to the main communication control apparatus 1 (the radio base station CSn). First down command (MAIN → UAP Command)
d) and the main communication control device 1 from the own side (the radio cell station CSn).
First inbound command (MAIN ← UAP Co)
command), and a second downlink command (UAP → BB) from the device itself (the wireless master device CSn) to the specific wireless slave device (wireless slave device PSm) as communication information.
IC Primitive) and the second from the specific wireless slave device (wireless slave device PSm) toward itself (wireless master device CSn)
Command (UAP ← BBIC Primitive)
e) is transmitted and received. If the data indicated by the first down command, the first up command, the second down command, and the second up command are analyzed,
Since it is possible to grasp what kind of signal has been transmitted from Sm or what kind of signal has been transmitted to the wireless personal station PSm, the data indicated by each command is always written and held. Further, at the time of writing and holding, a log processing record is taken out from the personal computer PC via the main communication control device 1 as needed, and a certain amount of the log processing record is held in the recording area 4 so that the log record table can be rewritten.

The recording area 4 is, for example, a RAM or a Flash.
Any readable and writable storage medium such as an h-ROM may be used, and the log processing record of one command is defined as one record.
Each record has time information (R
TC data), direction information (DIR data) for indicating the type and direction of the log-recorded command, and command data of the log-recorded command itself.

FIG. 3 is a schematic diagram simply illustrating the contents of a log recording table constructed in the recording area 4. Here, log record tables CS-LOG-TBL (0) to
RTC data, DIR data,
2 shows that command data is constructed with one command data string as one record. The RTC data is data indicating the time at which the command was recorded in the log processing, and represents the month, day, hour, and minute.
A case in which 3:05 am on the second day is recognized as 08120305 can be exemplified. The DIR data is transmitted between the main communication control device 1 and the radio cell station CS (showing any one of the radio cell stations CS1 to CSn described above) and between the radio cell station CS and the radio cell station PS.
The communication direction between the main communication control device 1 and the wireless master device CS is specified by 01H. The first uplink command from the radio cell station CS to the main communication control device 1 is 02H, the second downlink command from the radio cell station CS to the radio personal station PS is 03H, A case where the second uplink command directed to the radio cell station CS is recognized as 04H can be exemplified. The command data indicates the content of the command transmitted and received between the main communication control device 1 and the wireless master device CS and between the wireless master device CS and the wireless slave device PS.

FIG. 4 is a schematic diagram simply showing how the CPU 3 writes a log processing record in the recording area 4. Here, the CPU 3 adds RTC data and DIR data each time the command is transmitted / received to / from the recording area 4 having a maximum recording size of 256, and moves the recording content. Record 0 is retained so that the record contents of record 2 are moved to record 1 from record n to record n-1, and a new record is written to the last record 255. Indicates that the log processing record is to be written so that the oldest recorded content is retained. Thus, 2
It is possible to always hold the latest 256 fixed log processing records in the 55 new → 0 old form.

FIG. 5 is a block diagram showing a detailed configuration of the main communication control device 1 including peripheral devices. The main communication control device 1 has the personal computer interface P as described above.
In addition to being connected to the personal computer PC via the C / IF, the radio cell stations CS1 to CS
n, a control unit 2 for controlling the communication processing information and the storing operation of the communication information and controlling the display operation, and further includes a communication unit for notifying the personal computer PC of the contents of the log record table. A display data conversion unit 2a for converting data so that processing information and communication information can be displayed on a monitor screen of the personal computer PC is built in.

When the personal computer PC issues an operation processing instruction to the control unit 1a of the main communication control device 1 via the personal computer interface PC / IF, the control unit 1a sends one of the wireless master units CS1 to CSn (shown in FIG. In this example, a log processing record read request LOG-
By performing READ-REQ, it is possible to request the stop and start of Logging (write processing for constructing a log recording table) related to the control of the accumulation operation according to the operation processing instruction and the notification related to the control of the display operation.

FIG. 6 shows an example of a log processing record read request LOG-READ-REQ at this time. Incidentally, the parameter here (Paramate)
00H used as r) indicates a read request, and the radio cell station CS1 receives L when the read request is received.
logging is temporarily stopped, and log processing record data LOGGING-DATA for 256 messages indicating the entire contents of the log record table at that time is transmitted to the main communication control device 1.
The communication processing information and the log processing record data LOG including the communication information
ING-DATA is converted to a personal computer P by the display data converter 2a.
The data is converted so that it can be displayed on the monitor screen of C, and the read result is obtained. Note that Logging is restarted after the notification, but is not restarted when a stop request is received. Also, the parameter 01H is set to Logging
A stop request is indicated, and the radio cell station CS1 stops logging when receiving the logging stop request. Furthermore,
Parameter 02H indicates a Logging start request,
The radio cell station CS1 restarts Logging at the time of receiving the Logging start request.

That is, in the radio communication system, the radio base stations CS1 to CSn request the reading of the log processing record indicating the control of the accumulation operation and the control of the display operation according to the operation processing instruction from the control unit 2 of the main communication control device 1. LOG-REA
At the time of D-REQ, when a request for notification by a read request for the parameter 00H is received, at the time of reception, communication processing information indicating the entire contents of the log recording table and log processing recording data LOGING-DATA including communication information are transmitted to the main communication control device. 1 is sent to the personal computer PC as a read result via the control unit 2 and its display data conversion unit 2a. When a request to stop by the parameter 01H is received, Logging is stopped at the time of reception, and the start by the parameter 02H is notified. When a request is received, Loggin
Restart g.

FIG. 7 exemplifies log processing recording data LOGGING-DATA transmitted from the radio cell station CS1 to the control section 1a of the main communication control device 1. Here, the log message length n is set to a maximum of 64, and the log processing record data LOGGING-DATA of 256 messages is notified one by one from the time when the log processing record read request LOG-READ-REQ is received, from the oldest one. It shows the situation. Here, the data of the sequence (SEQUENCE) indicates the number of the notification of the log message, and the notification is completed by transmitting FFH in hexadecimal. The data of the direction (DIRECTION) indicates the type and direction of the log message, and 01H is from BBIC (wireless handsets PS1 to PSm) to UAP (wireless master CS1).
Is a primitive (a kind of command) in the direction toward 02B, and 02H is a BBIC from the UAP (wireless master unit CS1).
(Primary in the direction toward (wireless handsets PS1 to PSm), 03H is the MA from UAP (wireless master CS1).
This is a command in the direction toward IN (main communication control device 1), and 04H is transmitted from MAIN (main communication control device 1) to UAP.
The command is directed to the (radio base station CS1). In the WEEK data, 0 to 6 correspond to Sunday to Saturday. The log-length data indicates the length (n) of the log data to be notified, and log
data1 to (n) indicate log data of any of commands and primitives. The contents described here are the same for the other wireless master devices CS2 to CSn.

FIG. 8 shows such log processing record data L
FIG. 9 shows an analysis result of communication processing in a specific wireless master device CS7 displayed on a monitor screen of a personal computer PC after the OGGING-DATA is converted by the display data conversion unit 2a of the control unit 2; That is, here, the personal computer PC issues an operation processing instruction to the wireless master device CS7 via the control section 2 of the main communication control device 1 to issue a log processing record read request LOG-READ-REQ, and the wireless master device C
Log processing record data LOGGING-DAT from S7
A is converted into data for display on a computer by the display data conversion unit 2a of the control unit 2 and then read as a personal computer P
The result displayed on the monitor screen of C is shown.

In the wireless communication system having such a configuration,
Communication processing information indicating the processing content of communication control stored in the wireless master devices CS1 to CSn from the main communication control device 1 connected to the personal computer PC, and the wireless master devices CS1 to CSn
Has a function of arbitrarily reading out and displaying communication information transmitted and received between the wireless slave units PS1 to PSm and collecting and managing the communication information.
Even in the case of a large-scale configuration provided with PSm, the analysis of communication processing between each of the radio cell stations CS1 to CSn and each of the radio terminals PS1 to PSm can be easily and accurately performed with a relatively simple configuration. What can be done.

[0026]

As described above, according to the wireless communication system of the present invention, the communication processing information indicating the processing contents of the communication control stored in the wireless master unit from the main communication control device connected to the personal computer, and Since it has a function of arbitrarily reading and displaying communication information transmitted and received between the wireless master device and the wireless slave device and collecting and managing the information, the wireless communication device has a large-scale configuration in which a plurality of wireless master devices and wireless slave devices are provided. However, even with a relatively simple configuration, the analysis of the communication processing between each wireless master device and each wireless slave device can be easily performed and the analysis can be performed accurately.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a basic configuration of a wireless communication system according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a detailed configuration of a wireless master device provided in the wireless communication system shown in FIG. 1 including peripheral devices.

FIG. 3 is a schematic diagram simply illustrating the contents of a log record table constructed in a recording area provided in the wireless master device shown in FIG. 2;

FIG. 4 is a schematic diagram simply showing a state where a log processing record is written into a recording area shown in FIG. 3 by a CPU provided in the wireless master device shown in FIG. 2;

FIG. 5 is a block diagram showing a detailed configuration of a main communication control device provided in the wireless communication system shown in FIG. 1 including peripheral devices.

FIG. 6 illustrates an example of a log processing record read request LOG-READ-REQ issued by the control unit included in the main communication control device described in FIG. 5 to the wireless master device.

7 exemplifies log processing recording data LOGING-DATA transmitted from the wireless master device described in FIG. 6 to a control unit provided in the main communication control device described in FIG. 5;

8 is a log processing record data LOGGI described in FIG.
FIG. 9 shows an analysis result of communication processing in a specific wireless master device displayed on a monitor screen of a personal computer after NG-DATA is converted by a display data conversion unit of a control unit.

[Explanation of symbols]

 Reference Signs List 1 main communication control device 2 control unit 2a display data conversion unit 3 CPU (central processing unit) 4 recording area 5 system interface (I / F) 6 wireless interface (I / F) 7 antenna CS, CS1 to CSn wireless base unit PC Personal computer PS, PS1-PSm Wireless client PC / IF PC interface

Claims (4)

(57) [Claims] 1. A main communication control device connected to a communication line, a plurality of wireless master devices connected to the main communication control device, and a plurality of wireless communication devices capable of wireless communication between the plurality of wireless master devices. A wireless communication system that performs communication control between the plurality of wireless master devices and the plurality of wireless slave devices, wherein the plurality of wireless master devices include the communication control device. The communication processing information indicating the processing content, as well as communication information transmitted and received between the plurality of wireless slaves is written and held in accordance with time information, and the main communication control device is dedicated for connecting a personal computer. An interface for a personal computer, wherein the personal computer controls the operation of writing, holding, and storing the communication processing information and the communication information, and displaying the information on a monitor screen attached thereto. The main communication control device is capable of selecting any one of the plurality of wireless master devices, including issuing a batch instruction by the operation processing instruction. Stops or starts an accumulation operation by writing and holding the communication processing information and the communication information for the plurality of wireless masters in accordance with the operation processing instruction, or the communication processing information accumulated in the plurality of wireless masters. And controlling the operation of notifying the personal computer of the communication information. 2. The wireless communication system according to claim 1, wherein the communication processing information includes a first downlink command from the main communication control device to the plurality of wireless master devices, and a command from the plurality of wireless master devices. A first uplink command directed to the main communication control device; and the communication information includes a second downlink command directed from the plurality of wireless master units to the plurality of wireless slave units, and the plurality of wireless slave units. And a second uplink command directed to the plurality of wireless master devices, wherein the plurality of wireless master devices include the first downlink command, the first uplink command, the second downlink command, and The data indicated by the second uplink command is always written and held, and at the time of writing and holding, a log processing record is taken out from the personal computer via the main communication control device, and a certain amount of data is recorded and held in a recording area. A wireless communication system wherein a log recording table is constructed to be rewritable. 3. The wireless communication system according to claim 2, wherein the plurality of wireless master units receive a notification request when controlling the storage operation and controlling the display operation by the main communication control device. At the time of reception, the communication processing information indicating the entire contents of the log recording table and the log processing record data including the communication information are transmitted to the personal computer via the main communication control device, and a request to stop is received. A wireless communication system, wherein a write process for constructing the log record table is stopped at the time of reception, and a write process for constructing the log record table is restarted at the time of receipt when a request for starting is received. 4. The wireless communication system according to claim 3, wherein the main communication control device converts the log processing record data so that it can be displayed on a monitor screen of a personal computer. system.