JP2000124999A - Pseudo call testing method and recording medium recording pseudo call testing program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pseudo call testing method where test communication equipment with almost the same function as a tested communication equipment is used, processing data of the tested communication equipment and of the test communication equipment are received and evaluated by a control/data collection device and a test time is shortened and the test is done efficiently. SOLUTION: A control/data collection device 56 is connected to a test communication equipment 51 and a tested communication equipment 54 by way of a bus 55, a test signal is instructed to the test communication equipment 51 through the bus from the control/data collection device 56, and the test communication equipment transmits test information in accordance with the test signal from the control/data collection device 56 through a No.7 link 52 and a TCP/IP 53 to the tested communication equipment 54. The control/data collection device receives processing information of the tested communication equipment through the bus 55 from the tested communication equipment 54, a response signal returned to the test communication equipment from the tested communication equipment is received through the bus, and performance of the tested communication equipment is evaluated on the basis of these pieces of processing information and response information which are received respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pseudo call test method and a pseudo call test program for testing a communication device in order to evaluate the performance of the communication device, including the processing capacity limit and the dynamic characteristics under overload. Regarding the medium.

[0002]

2. Description of the Related Art In a conventional overload test, a dedicated pseudo call tester is used as a test communication device, and when a processing capacity is insufficient, a plurality of pseudo call testers 91 to 91 are provided as shown in FIG. 93 was connected, and a load was applied to the communication device under test 95. In addition, pseudo call tester and control / data collection device,
Since the interface between the communication device under test and the control / data collection device was different, the control / data terminals 97 to 99, 100 were connected to the pseudo call tester and the communication device under test, respectively, and the processing results were obtained. Was edited and evaluated by another data processing device.

[0003]

However, in the conventional method, the capability of the pseudo call tester is often smaller than that of the communication device under test. There is a drawback that the load cannot be applied to the upper limit value and the processing capacity must be evaluated using a pseudo internal load. Further, since a large number of pseudo call testing machines are required, there are drawbacks in that costs are increased and time is required for environment construction and test steps.

Further, since the pseudo call tester and the communication device under test are completely different devices, the pseudo call tester and the control / data collection device have different interfaces, and the communication test device and the control / data collection device have different interfaces. It takes time to evaluate because it is necessary to connect a control / data collection terminal to each of the call tester and the communication device under test to obtain the processing results, and to edit the values of both with another data processing device. There was also a disadvantage. There is also a disadvantage that it is difficult to obtain the processing result during the test and freely change the load content.

[0005] The present invention has been made in view of the above,
The purpose is to use a test communication device with almost the same function as the communication device under test, and to receive and evaluate the processing data of the communication device under test and the test communication device with the control / data collection device to reduce the test time. Another object of the present invention is to provide a pseudo call test method and a recording medium in which a pseudo call test program for improving efficiency is recorded.

[0006]

SUMMARY OF THE INVENTION To achieve the above object, the present invention provides a method for testing a communication device to evaluate its performance, including the limit of the processing capability of the communication device and the dynamic characteristics under overload. A pseudo call test system, wherein the communication device is a communication device under test, a communication device having substantially the same function as the communication device under test is provided as a test communication device, and the communication device under test and the test communication device are signaled. A test function unit and a test execution unit including a test program for generating test information necessary for testing a communication device under test are mounted on a test communication device, and tests generated from the test execution unit are connected to each other by a link. Transmitting information to the communication device under test through the signal link, receiving the test information by the communication device under test, and confirming that the communication device under test performs a predetermined processing operation according to the test information. The gist.

According to the first aspect of the present invention, a communication device having substantially the same function as the communication device under test is provided as a test communication device, and the communication device under test and the test communication device are mutually connected by a signal link. Transmitting test information from a test execution unit including a test function unit and a test program provided in the test communication device to the communication device under test, and performing a predetermined processing operation on the communication device under test in accordance with the test information. In order to confirm that the test communication device can operate only the test program of the test execution unit with sufficient processing capacity, the evaluation test is performed with a sufficient load on the communication device under test up to its capacity limit. In addition to being able to perform various tests simply by changing the test function section and test program of the test execution section, a pseudo call can be performed without using a dedicated machine as in the past. It can be performed in a short time test efficiently.

[0008] The present invention according to claim 2 is based on claim 1.
In the described invention, a signal to be transmitted from the test communication device to the signal link to test the communication device under test by connecting a control / data collection device to the test communication device and the communication device under test via a communication bus. A test signal including a type and a signal transmission interval is instructed from the control / data collection device to the test communication device via the communication bus, and the test communication device is configured to perform the test based on the test signal instructed from the control / data collection device. Controlling the test execution unit, transmitting test information corresponding to the test signal to the communication device under test via a signal link, and the control / data collection device responding to the test information by the communication device under test. Information is received from the communication device under test via the communication bus, and the communication device under test processes the test information transmitted from the test communication device. A response signal returned from the communication device under test to the test communication device is received from the test communication device via the communication bus, and the control / data collection device receives the processing information and the processing information received from the communication device under test and the test communication device, respectively. The gist is to evaluate the performance of the communication device under test based on the response information.

According to the second aspect of the present invention, a control / data collection device is connected to the test communication device and the communication device under test via a communication bus, and a test is performed from the control / data collection device to the test communication device. Signal, the test communication device transmits test information corresponding to the test signal to the communication device under test, and the control / data collection device receives the processing information responded to by the communication device under test, and transmits the test information from the communication device under test. In order to receive the response signal returned to the test communication device from the test communication device and evaluate the performance of the communication device under test based on the received processing information and response information, one control and
The signal is controlled by the data collection device, and the processing data of the communication device under test and the test communication device can be centrally managed, the test content can be freely changed, and the collected received data can be easily edited.

Further, the present invention according to a third aspect of the present invention is a recording medium storing a pseudo call test program for testing a communication device in order to evaluate a performance including a limit of a processing capability of the communication device and a dynamic characteristic under overload. The communication device is a communication device under test, a communication device having substantially the same function as the communication device under test is provided as a test communication device, and the communication device under test and the test communication device are interconnected by a signal link. A test function unit for generating test information necessary for testing the communication device under test and a test execution unit including a test program are mounted on the test communication device, and the test information generated from the test execution unit is transmitted through the signal link. A pseudo call test program for transmitting to the communication device under test, receiving the test information by the communication device under test, and confirming that the communication device under test performs a predetermined processing operation according to the test information. And summarized in that to record the ram on the recording medium.

According to the present invention, a communication device having substantially the same function as the communication device under test is provided as a test communication device, and the communication device under test and the test communication device are mutually connected by a signal link. Transmitting test information from a test execution unit including a test function unit and a test program provided in the test communication device to the communication device under test, and performing a predetermined processing operation on the communication device under test in accordance with the test information. Since the pseudo call test program for checking
By using the recording medium, its distribution can be improved.

According to a fourth aspect of the present invention, in the third aspect of the present invention, a control / data collection device is connected to the test communication device and the communication device under test via a communication bus. A test signal including a signal type and a signal transmission interval to be transmitted from the test communication device to the signal link to test the test communication device is instructed from the control / data collection device to the test communication device via the communication bus.・
The test execution unit is controlled based on the test signal instructed by the data collection device, and test information corresponding to the test signal is transmitted to the communication device under test via a signal link. While receiving the processing information from the communication device under test via the communication bus, the communication device under test responds to the test information transmitted from the test communication device. Processing, and as a result, the response signal returned from the communication device under test to the test communication device is received from the test communication device via the communication bus, and the control / data collection device receives the response signal from the communication device under test and the test communication device respectively. The gist is to record a pseudo call test program for evaluating the performance of the communication device under test based on the received processing information and response information on a recording medium.

According to the fourth aspect of the present invention, a control / data collection device is connected to the test communication device and the communication device under test via a communication bus, and a test is performed from the control / data collection device to the test communication device. Signal, the test communication device transmits test information corresponding to the test signal to the communication device under test, and the control / data collection device receives the processing information responded to by the communication device under test, and transmits the test information from the communication device under test. A pseudo call test program for receiving the response signal returned to the test communication device from the test communication device and evaluating the performance of the communication device under test based on the received processing information and response information is recorded on a recording medium. Therefore, the distribution property can be improved by using the recording medium.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a configuration of a public mobile communication system as an example of a system to which a pseudo call test method according to an embodiment of the present invention is applied. In this embodiment, a case will be described in which the service control device 15 constituting the home memory station in the public mobile communication system is tested.

In FIG. 1, the radio base station 12 and the exchange 13, the exchange 13 and the public network 14, the radio base station 12 and the packet exchange 20, and the packet exchange 20 and the public network 14 are inter-office lines 16, 17, 21, respectively. 22, the exchange 13 and the service control device 15 are connected by a common line signal 18, and the service control device 15 and the packet switch 20 are connected by TCP / IP 19.

In the above connection configuration, a mobile terminal originating process will be described with reference to FIG. 2, taking a digital mobile communication system (PDC system) in Japan as an example.

First, the mobile station 11 issues a call request 31 to the exchange 13 through the radio base station 12 and the interoffice line 16. The exchange 13 receives the transmission request 31 and receives the common line signal 1
8 to the service control device 15 through the call information read request 3
Send out 2. The service control device 15 having received the transmission information read request 32 sends a transmission information read response 33 to the exchange 13 through the common line signal 18. Next, in order to register the location information in the service control device 15, the exchange 13 sends a location registration request 34 to the service control device 15 through the common line signal 18. After the completion of the location information registration, the service control device 15 sends a location registration response 35 to the exchange 13 through the common channel signal 18. Finally, the mobile unit 11 is connected to the public network 14.
Then, the connection 36 is made, and the transmission processing ends.

Next, in the connection configuration of FIG. 1, a digital mobile packet communication system in Japan (PDC-P system)
The process at the time of transmitting a mobile terminal packet will be described with reference to FIG.

First, the mobile station 11 issues a packet transmission registration request 37 to the packet switch 20 via the radio base station 12 and the interoffice line 21. Upon receiving the packet transmission registration request 37, the packet switch 20 sends a packet transmission information read request 38 to the service controller 15 through the TCP / IP 19.
Is sent. Upon receiving the packet transmission information read request 38, the service control device 15 sends a packet transmission information read response 39 to the packet switch 20 via the TCP / IP 19. Next, in order to register the location information in the service control device 15, the packet switch 20 sends a packet communication registration request 40 to the service control device 15 through the TCP / IP 19. After the completion of the location information registration, the service control device 15
Sends a packet communication registration response 41 to the packet switch 20 through the TCP / IP 19. Thereby, the mobile device 1
1 becomes 42 during packet communication with the public network 14, and the transmission processing ends.

In the present embodiment, the exchange 13 or the packet exchange 20 is regarded as a test communication device, and the service control device 15 is regarded as a communication device under test, and the limit of the processing capability of the service control device 15 and the system operation characteristics at the time of overload are grasped. Can be applied.

FIG. 4 shows a test example of a service control device used in a public mobile communication system as an example of a system configuration of the pseudo call test system according to the present embodiment.

As shown in FIG. 4, the test communication device 51
o. The test communication device 51, the communication device under test 54, the control / data collection device 56 are connected to the communication device under test 54 through the 7 link 52 or the TCP / IP 53, and the bus 55
Through each other. The test communication device 51 includes communication devices 57 to 59, data collection software 67 of the communication processing function unit 63, The communication device under test 54 includes communication devices 60 to 62 and a communication processing function unit 63.
Data collection software 67, No. The control / data collection device 56 includes an input unit 70, an HMI
69, a data processing unit 71, and an output unit 72.

The communication devices 57 to 59 have a communication processing function unit 6
3, pseudo call software 64, No. 7 protocol device 65, T
It has a CP protocol device 66, and the communication devices 60 to 62 have the communication processing function unit 63, No. 7 protocol device 65, TC
The P protocol device 66 is similarly configured.

In order to perform a pseudo call test of the PDC using the exchange 13 and the service control unit 15, for example, the load amount “200 to
400 TPS (transactions / second) (20 per second
0-400 signals are transmitted and received), the communication device under test 54 as a whole and the test communication device 5
The communication protocol between the communication device under test 1 and the communication device under test 54 is “No.
For example, a "protocol" and "basic transmission (of the procedure shown in FIG. 2)" are designated as signals. The value input by the input unit 70 is edited as data by the HMI 69 and sent to the pseudo call software 64 through the bus 55. The conditions are assembled by the pseudo call software 64 and edited. Based on this, the signal is assembled into a signal by the communication processing function unit 63.

No. designated by the input unit 70 from the test communication device 51. A signal is transmitted to the communication device under test 54 through the 7 link 52. The communication processing function unit 63 in the communication device under test 54 operates as a normal service control device. A response signal is transmitted from the communication device under test 54 to the test communication device 51 through the 7 link 52. This response signal is processed by the communication processing function unit 63 of the test communication device 51. At this time, in each of the test communication device and the communication device under test, the result of the protocol device is sent to the data collection software 68 and the result of the processing by the communication processing function unit is sent to the data collection software 67. These results are transmitted via the bus 55 to the data collection device 5.
6 is collected by the data processing unit 71, edited, and output to the output unit 72.
The CPU usage rate, the buffer usage rate, the number of signal transmissions / receptions, whether the signal has been received normally, and the like are output.

Packet switch 20 and service control device 1
When performing the pseudo call test of the PDC-P using the communication device 5, the communication protocol between the test communication device 51 and the communication device under test 54 is "TCP / IP protocol" and the signal designation is "(FIG. Change the basic call)
Hereinafter, the same procedure can be performed.

By recording a program for performing the above-described pseudo call test method of the present embodiment on a recording medium, it is possible to use the recording medium to increase its circulation.

[0028]

As described above, according to the present invention,
A communication device having substantially the same function as the communication device under test is provided as a test communication device, the communication device under test and the test communication device are interconnected, and a test execution unit including a test function unit and a test program provided in the test communication device is provided. The test information is transmitted to the communication device under test, and it is confirmed that the communication device under test performs a predetermined processing operation in accordance with the test information. It is possible to perform an evaluation test by applying a sufficient load to the communication device under test up to its capacity limit, and perform various tests simply by changing the test function unit of the test execution unit and the test program. Easy to do,
The pseudo call test can be efficiently performed in a short time without using a dedicated machine as in the related art, and the total cost of the test environment can be suppressed. Furthermore, since a test can be performed with a test communication device having almost the same function as the communication device under test, when a communication device under test is newly developed, there is no need to separately develop a test communication device, and the communication device under test can be tested. Simultaneously with the development of the communication device under test, a pseudo call test can be performed using the communication device under test as a test communication device, and development time and development costs are unnecessary. The communication device can be tested.

In the present invention, a control / data collection device is connected to the test communication device and the communication device under test via a communication bus, and a test signal is instructed from the control / data collection device to the test communication device. The test communication device transmits test information corresponding to the test signal to the communication device under test, and the control / data collection device receives processing information responded to by the communication device under test, and transmits the test information from the communication device under test to the communication device under test. Since the response signal returned to the communication device under test is received from the test communication device and the performance of the communication device under test is evaluated based on the received processing information and response information, the signal control is performed by one control and data collection device. In addition, the processing data of the communication device under test and the test communication device can be centrally managed, the content of the test can be freely changed, and the collected received data can be easily edited.

[Brief description of the drawings]

FIG. 1 is a diagram showing a configuration of a public mobile communication system as an example of a system to which a pseudo call test method according to an embodiment of the present invention is applied.

FIG. 2 is a diagram showing an example of a signal sequence at the time of transmission of a mobile terminal in the digital mobile communication system (PDC system) of the public mobile communication system shown in FIG.

FIG. 3 is a diagram showing an example of a signal sequence at the time of transmitting a mobile terminal packet in the digital mobile communication system (PDC-P system) of the public mobile communication system shown in FIG.

FIG. 4 is a diagram showing a part of a communication network to which a pseudo call test method according to an embodiment of the pseudo call test system of the present invention is applied.

FIG. 5 is a system configuration diagram for explaining a conventional pseudo call test method.

[Explanation of symbols]

 51 Test communication device 52 No. 7 link 53 TCP / IP 54 Communication device under test 55 Communication bus 56 Control / data collection device 57-62 Communication device 63 Communication processing function unit 64 Pseudo call software 65 No. 7 protocol device 66 TCP protocol device 67, 68 Data collection software 69 HMI 70 Input unit 71 Data processing unit 72 Output unit

 ──────────────────────────────────────────────────続 き Continued on the front page F-term (reference) EE01 EE21 GG02 GG05 GG06 GG13 HH01 HH06 JJ04 MM03

Claims (4)

[Claims] 1. A pseudo call test method for testing a communication device to evaluate a performance including a limit of a processing capability of the communication device and a dynamic characteristic at the time of overload, wherein the communication device is a communication device to be tested. A communication device having almost the same function as the communication device under test is provided as a test communication device. The communication device under test and the communication device under test are connected to each other by a signal link, and test information necessary for testing the communication device under test is provided. A test communication unit that includes a test function unit and a test program that generates a test program is transmitted to the communication device under test through the signal link, and the test information is transmitted from the test execution unit to the communication device under test. A pseudo call test method comprising: receiving a communication device; and confirming that the communication device under test performs a predetermined processing operation according to the test information. 2. A signal type transmitted from the test communication device to the signal link to test the communication device under test by connecting a control / data collection device to the test communication device and the communication device under test via a communication bus. And a test signal including a signal transmission interval from the control / data collection device to the test communication device via the communication bus, and the test communication device performs the test based on the test signal specified by the control / data collection device. Controlling the execution unit and transmitting test information corresponding to the test signal to the communication device under test via a signal link; and the control / data collection device processes the response information of the communication device under test to the test information. Is received from the communication device under test via the communication bus, and the communication device under test processes the test information transmitted from the test communication device. A response signal returned from the communication device to the test communication device is received from the test communication device via the communication bus, and the control / data collection device receives the processing information and the response information from the communication device under test and the test communication device, respectively. 2. The pseudo call test method according to claim 1, wherein the performance of the communication device under test is evaluated based on the following. 3. A recording medium storing a pseudo call test program for testing a communication device to evaluate a performance including a limit of a processing capability of the communication device and a dynamic characteristic under an overload, wherein the communication device is tested. A communication device having a communication device having substantially the same function as the communication device under test is provided as a test communication device, and the communication device under test and the test communication device are interconnected by a signal link to test the communication device under test. A test communication unit that includes a test function unit and a test program that generates test information required for the test communication unit, and transmits test information generated from the test execution unit to the communication device under test through the signal link; A pseudo call test program characterized in that the communication device under test receives test information and confirms that the communication device under test performs a predetermined processing operation according to the test information. The recording medium. 4. A signal type transmitted from the test communication device to the signal link to test the communication device under test by connecting a control / data collection device to the test communication device and the communication device under test via a communication bus. And a test signal including a signal transmission interval from the control / data collection device to the test communication device via the communication bus, and the test communication device performs the test based on the test signal specified by the control / data collection device. Controlling the execution unit and transmitting test information corresponding to the test signal to the communication device under test via a signal link; and the control / data collection device processes the response information of the communication device under test to the test information. Is received from the communication device under test via the communication bus, and the communication device under test processes the test information transmitted from the test communication device. A response signal returned from the communication device to the test communication device is received from the test communication device via the communication bus, and the control / data collection device receives the processing information and the response information from the communication device under test and the test communication device, respectively. 4. The recording medium according to claim 3, wherein the performance of the communication device under test is evaluated based on the following.