JP2003209631A - Mobile data communication modem check system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To test all items of a mobile data communication modem efficiently and automatically by processing both protocols on the DTE side and the pseudo PS side in combination. <P>SOLUTION: The mobile data communication modem inspection system comprises a pseudo DTE section 104 for transmitting an AT command to the modem and receiving a response code therefrom, a pseudo PS section 106 performing PS control serial transmission/reception with the modem, a section 101 for controlling the pseudo DTE section and the pseudo PS section, a script section 103 holding a script describing the operation procedure of the control section and providing it thereto, and a user interface section 102 displaying input of test number and test results. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a mobile communication device (P
S) The device for testing a mobile data communication modem used for data communication.

[0002]

2. Description of the Related Art Conventionally, as a protocol inspection method for a modem, a method for quasi-realizing a protocol between base stations by a personal computer or the like has been used, as disclosed in Japanese Patent No. 3000638. Also in the inspection of the mobile data communication modem, the DTE side that sends a command to the modem connects to the personal computer that has started the terminal software,
On the PS side, a method of artificially realizing the operation of PS by another personal computer is used. In addition, an expensive simulator for implementing the base station protocol is also used.

[0003]

However, in the above-mentioned conventional inspection method, since the functions installed in different personal computers must be used, the operation setting on the DTE side corresponding to each test item and the pseudo PS side are performed. There is a problem that it is difficult to automatically perform all the test items because it is necessary to manually set the operation setting of.

The present invention has been made in view of the above point, and in the test of the mobile data communication modem, the operation setting on the DTE side corresponding to each test item and the pseudo PS are performed.
To provide a mobile data communication modem inspection device capable of automatically performing operation setting on the side and automatically performing all test items regardless of whether it is an existing part or a newly added and changed part. The purpose is to

[0005]

According to a first aspect of the present invention, there is provided a mobile data communication modem inspection apparatus which transmits an AT command to a modem and receives a response code from the modem.
TE unit (pseudo DTE unit 104) and pseudo PS unit (pseudo PS unit 106) for transmitting / receiving PS control serial to / from a modem
And a control unit (control unit 101) for controlling the pseudo DTE unit and the pseudo PS unit, and a script unit (script unit 103) for holding a script describing an operation procedure of the control unit and giving the script to the control unit. And.

According to the invention of claim 1, the control section is
Both the communication between the pseudo DTE unit and the modem and the communication between the pseudo PS unit and the modem can be managed, and the test can be performed according to the test script that combines the communication of both the pseudo DTE unit and the pseudo. The test can be performed more efficiently than the conventional method in which the PS section is individually controlled, and all tests are automatically performed regardless of whether the test is an existing part or a newly added / modified part. be able to.

A mobile data communication modem inspection apparatus according to a second aspect of the present invention is the mobile data communication modem inspection apparatus according to the first aspect, wherein a user interface unit for inputting a test number and displaying a test result ( The user interface unit 102) is provided.

According to the second aspect of the present invention, since a series of test numbers can be designated and the test can be executed through the user interface section, it is possible to select and execute the test corresponding to the modem to be tested. , It becomes easy to manage the test contents of the mobile data communication modem.

A mobile data communication modem inspection apparatus according to a third aspect of the present invention is the mobile data communication modem inspection apparatus according to the first or second aspect, further comprising a reset unit (reset unit 108) for resetting the modem. To do.

According to the third aspect of the present invention, even if the modem under test has a problem and the modem does not operate during the test execution, the present inspection device automatically resets the modem to perform the next test. Since it is possible to proceed, a plurality of test items described in the script can be automatically and continuously executed.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. (Embodiment 1) FIG. 1 is a block diagram showing the configuration of a mobile data communication modem inspection apparatus according to Embodiment 1 of the present invention. In FIG. 1, the mobile data communication modem inspection apparatus includes a control unit 101 and a user interface unit 10.
2, script unit 103, pseudo DTE unit 104, pseudo P
The control unit 101 includes a determination unit 107.
Built in. Reference numeral 105 denotes a mobile data communication modem to be inspected.

The operation of the mobile data communication modem inspection apparatus configured as shown in FIG. 1 will be described. The user interface unit 102 inputs the test number of the test executed in the mobile data communication modem inspection device and displays the test result. The test number input to the user interface unit 102 is designated by selecting a specific number or a plurality of numbers.

The control unit 101 receives the test number input from the user interface unit 102, and reads the operation procedure corresponding to the test number from the script unit 103. In the script section 103, a script describing the operation procedure of the control section 101 for each test number is recorded.

The operation procedure described in the script includes an AT command transmitted from the pseudo DTE unit 104 to the modem 105, data for comparison with the response code received by the pseudo DTE unit 104 from the modem 105, and the pseudo PS unit 106 to the modem. Data for transmission as PS control serial to 105 and data for comparison with PS control serial received by the pseudo PS unit 106 from the modem 105.

When the operation procedure is read from the script section 103, the control section 101 transmits the data to the pseudo DTE section 104 when the data described in the script is the AT command transmission to the modem. The pseudo DTE unit 104 transmits the data received from the control unit 101 to the modem 105 as an AT command. When the data described in the script is PS control serial, the control unit 101 transmits the data to the pseudo PS unit 106. Pseudo PS unit 106
Transmits the data received from the control unit 101 to the modem 105 as PS control serial.

After transmitting the above data to the pseudo DTE unit 104 or the pseudo PS unit 106, the control unit 101 reads the next operation procedure from the script unit 103. When the operation procedure read from the script unit 103 by the control unit 101 is the data reception process from the modem 105, the control unit 101 determines that the pseudo DTE unit 104 or the pseudo PS unit 106.
Wait until data is received from.

The pseudo DTE unit 104 receives the response code from the modem 105, or the pseudo PS unit 106 receives the response code from the modem 10.
When the PS control serial is received from 5, the pseudo DTE unit 104 or the pseudo PS unit 106 respectively receives the modem 1
These data received from 05 are transmitted to the control unit 101.

The judgment unit 107 compares the data received from the pseudo DTE unit 104 or the pseudo PS unit 106 with the data of the script read from the script unit 103,
The comparison result is displayed on the user interface unit 102. Here, if the comparison results match, the control unit 101
Reads the next operation procedure from the script unit 103. If the comparison results do not match, the reading of the operation procedure from the script unit 103 is stopped, an error is displayed on the user interface unit 102, and the test is stopped.

The control unit 101 continues the test until all the operating procedures corresponding to the specified test number are read from the script unit 103. That is, when a specific test number is designated, the success or failure of the test is displayed on the user interface unit 102 after the test is executed, and the test is stopped. When a plurality of test numbers are designated, the test number corresponds to the test number. The test is continued until all the tests are completed or an error is detected, and when there is no operation procedure to be read, the user interface unit 102 displays the success of the test and stops.

Next, the operation of the mobile data communication modem inspection apparatus will be described in detail with reference to a concrete script example. FIG. 2 is a table showing an example of a script describing the operation procedure of the control unit 101. FIG. 3 is a sequence diagram at the time of modem inspection based on the script of FIG.
1, pseudo DTE unit 104, modem 105, pseudo PS unit 1
The data flow during 06 is shown. FIG. 4 is an output example of the user interface unit 102 of the test result executed based on the script of FIG.

First, the control unit 101 includes the script unit 10
The operation procedure 1 “snd # dte (“ ATD1234 ”)” is read from the step 3, and this is interpreted as data transmission from the pseudo DTE unit 104 to the modem 105, and this data is transmitted to the pseudo DTE unit 104. The pseudo DTE unit 104 uses the AT command “ATD123
4 ”to the modem 105.

After transmitting this AT command, the control unit 101
From the script section 103 to the next operation step 2 "rcv # p
s ("information element setting") "is read and this is a pseudo PS
It is interpreted as data reception from the modem 105 of the unit 106, and waits until data is received from the pseudo PS unit 106.

Upon receiving the data from the modem 105, the pseudo PS unit 106 sends the data to the control unit 101. The control unit 101 causes the determination unit 107 to compare the received data with the script data. If the data match, the script unit 103 performs the following operation procedure 3 "sn
"d # ps (" information element setting acceptance ")" is read, this is interpreted as data transmission from the pseudo PS unit 106 to the modem 105, and data is transmitted to the pseudo PS unit 106. The pseudo PS unit 106 transmits the PS control serial “information element setting acceptance” to the modem 105.

After this PS control serial transmission, the control unit 10
1 is the following operation procedure 4 from the script section 103 "rcv # ps
("Off-hook") "is read and this is the pseudo PS unit 1
It is interpreted as the data reception from the 06 modem 105, and the pseudo P
It waits until data is received from the S unit 106.

Upon receiving the data from the modem 105, the pseudo PS unit 106 sends the data to the control unit 101. The control unit 101 causes the determination unit 107 to compare the received data with the data of the read script. If the data match, the script unit 103 reads the next operation procedure 5 "snd # ps (" calling notification ")", interprets this as data transmission from the pseudo PS unit 106 to the modem 105, and executes the pseudo PS. The data is transmitted to the unit 106. The pseudo PS unit 106 transmits a PS control serial “calling notification” to the modem 105.

After the PS control serial transmission, the control unit 10
1 is the following operation procedure 6 "snd # ps" from the script unit 103.
("Calling") "is read, and this is read by the pseudo PS unit 106.
From the modem 105 to the data transmission to the pseudo PS unit 106. The pseudo PS unit 106 transmits the PS control serial “calling” to the modem 105.

After this PS control serial transmission, the control unit 10
1 is the following operation procedure 7 from the script section 103 "snd # ps
("Notification during communication") "is read, and this is simulated PS unit 1
It is interpreted as the data transmission from 06 to the modem 105, and the pseudo P
The data is transmitted to the S unit 106. The pseudo PS unit 106 is P
The S control serial “notification of communication” is transmitted to the modem 105.

After this PS control serial transmission, the control unit 10
1 is the following operation procedure 8 "rcv # dt from the script unit 103.
"e (" CONNECT ")" is read and this is pseudo DTE section 1
It is interpreted as the data reception from the 04 modem 105, and the pseudo D
It waits until data is received from the TE unit 104.

Upon receiving the data from the modem 105, the pseudo DTE unit 104 sends the data to the control unit 101. The control unit 101 causes the determination unit 107 to compare the received data with the data of the read script. If the data match, there is no further operation procedure to read, and the test result is displayed on the user interface unit 102.

When a plurality of test numbers are input in the user interface section 102, all operation procedures corresponding to the selected test number are processed.

As described above, according to the mobile data communication modem inspection apparatus of the present embodiment, the test that combines both the communication between the pseudo DTE section and the modem and the communication between the pseudo PS section and the modem is designated. It can be done automatically in the order of the test numbers given. If you want to change the test, you can change the script, so you can easily add or change the format.

(Second Embodiment) FIG. 5 is a block diagram showing the configuration of a mobile data communication modem inspection apparatus according to the second embodiment of the present invention. 5, the mobile data communication modem inspection apparatus has a configuration in which a reset unit 108 is added to the mobile data communication modem inspection apparatus shown in FIG.

The reset unit 108 has a function of resetting the modem 105, and when the modem under test has a defect and the modem 105 does not respond or does not respond as expected during the test execution, By resetting the modem 105 from the reset unit 108, the modem 105 can be restarted and the test can be continued.

Next, the operation of the mobile data communication modem inspection apparatus having the above configuration will be described with reference to a concrete script example. FIG. 6 is a table showing a script example in which the operation procedure of the control unit 101 is described. FIG. 7 is a sequence diagram at the time of modem inspection based on the script of FIG.
The flow of data among the control unit 101, the pseudo DTE unit 104, the modem 105, and the pseudo PS unit 106 is shown.

First, the control unit 101 includes the script unit 10
3 to Test 1 operation procedure 1 "snd # dte (" ATD123
4 ”)” is read, and via the pseudo DTE unit 104,
The AT command “ATD1234” is transmitted to the modem 105.
Next, the control unit 101 reads the operation procedure 2 "rcv # ps (" information element setting ")" of the test 1 from the script unit 103, and waits until the PS control serial "information element setting" is received from the modem 105. .

At this time, if there is no response from the modem for a certain period of time or the expected response cannot be received due to a malfunction of the modem 105, the determination unit 107 determines that the modem 105 is not operating normally. The user interface section 102 is notified of this test result. The user interface unit 102 displays that the test result is abnormal.

The judgment unit 10 judges that the test result is not normal.
When 7 determines, the reset unit 108 resets the modem 105. After the reset of the modem 105 is completed, the control unit 1
01 is the operation procedure 1 of the test 2 from the script unit 103
Read "snd # ps (" Notification of incoming call ")" and continue the test of test number 2 according to the script.

As described above, according to the mobile data communication modem inspection apparatus of the second embodiment, when the modem under test has a problem and the modem 105 does not respond as expected, the modem is reset. As a result, the test items of the script recorded in the script unit 103 can be automatically and continuously executed.

[0039]

As described above, according to the present invention,
One mobile data communication modem according to a test script that combines a protocol on the DTE side that controls outgoing / incoming calls, and a PS control serial on the pseudo PS side that simulates a PS with a special protocol that is not available at the time of development. Since the test equipment can test the modem,
The timing of the protocol in the development of the modem can be efficiently evaluated, and all tests can be automatically performed regardless of whether the test is an existing part or a newly added / modified part.

Further, according to the present invention, when a modem under development is evaluated, even if a malfunction occurs in the modem, the modem is automatically reset in the mobile data communication modem inspection device. , Multiple test items described in the script can be automatically and continuously executed.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a mobile data communication modem inspection device according to a first embodiment of the present invention.

FIG. 2 is an example script that describes an operation procedure of a control unit.

FIG. 3 is a sequence diagram at the time of modem inspection based on the script of FIG.

FIG. 4 is an output example of a test result user interface unit.

FIG. 5 is a block diagram showing a configuration of a mobile data communication modem inspection device according to a second embodiment of the present invention.

FIG. 6 is an example script that describes an operation procedure of a control unit.

7 is a sequence diagram at the time of modem inspection based on the script of FIG.

[Explanation of symbols]

101 control unit 102 User interface section 103 Script part 104 Pseudo DTE section 105 modem 106 Pseudo PS unit 107 determination unit 108 reset section

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Claims (3)

[Claims] 1. A pseudo DTE section for transmitting an AT command to a modem and receiving a response code from the modem, a pseudo PS section for transmitting and receiving PS control serial to and from the modem, and controlling the pseudo DTE section and the pseudo PS section. A mobile data communication modem inspection device comprising: a control unit; and a script unit that holds a script that describes an operation procedure of the control unit. 2. The mobile data communication modem inspection apparatus according to claim 1, further comprising a user interface section for inputting a test number and displaying a test result. 3. The mobile data communication modem inspection apparatus according to claim 1, further comprising a reset unit for resetting the modem.