CN106658582B - Test method for simulating GSM cell switching by using signal shielding box - Google Patents
Test method for simulating GSM cell switching by using signal shielding box Download PDFInfo
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- CN106658582B CN106658582B CN201611171563.2A CN201611171563A CN106658582B CN 106658582 B CN106658582 B CN 106658582B CN 201611171563 A CN201611171563 A CN 201611171563A CN 106658582 B CN106658582 B CN 106658582B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/06—Testing, supervising or monitoring using simulated traffic
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Abstract
The invention relates to a test method for simulating GSM cell switching by using a signal shielding box, which comprises the steps of firstly placing tested mobile station equipment with a test script in a signal area, and establishing connection between the tested mobile station equipment and a wireless base station of a GSM cell within the current range through the test script; then the mobile station equipment to be tested is placed in a signal shielding box, so that the connection between the mobile station equipment to be tested and the wireless base station is disconnected due to signal interruption; finally, the mobile station equipment to be tested is taken out of the signal shielding box and returns to the signal area, and the mobile station equipment to be tested is connected with the wireless base station again through the test script; and recording the reconnection result. The invention has the beneficial effects that: the testing of GSM cell switching is simulated through the signal shielding box, the testing is convenient and feasible, and manpower, material resources and time can be greatly saved. The problems occurring in the testing process can be conveniently recorded and checked, and the testing efficiency and quality are improved.
Description
Technical Field
the invention relates to the field of communication, in particular to a test method for simulating GSM cell switching by using a signal shielding box.
Background
with the rapid development of communication technology and communication equipment industry, base stations in cities become denser so as to improve the coverage range of signals and ensure the strength of the signals. The area covered by the base station forms a cell (i.e. a GSM cell). When a user moves from one cell to another cell, a mobile switching center between cells needs to perform a location handover to handover the user's information from one cell to another, so-called cell handover. In order to ensure that the mobile station can be used normally during cell handover, a cell handover test is required.
the current cell switching test method mainly includes that a tester holds a mobile station to cross a cell and performs related tests. The disadvantages of this method are: because the service range of each cell is wide, a large amount of time, manpower and material resources are consumed for moving among the cells, and the cost is high; if monitoring or debugging needs to be carried out synchronously in the test, corresponding equipment needs to be carried in the moving process of the mobile station, the operation is very inconvenient, and the test efficiency is low.
Disclosure of Invention
aiming at the defects, the invention provides the test method for simulating the GSM cell switching by using the signal shielding box, so that the test time is saved, and the test efficiency is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: a test method for simulating GSM cell switching by using a signal shielding box comprises the following steps:
step S1: the mobile station device to be tested with the test script is arranged in the signal area, and the mobile station device to be tested is connected with the wireless base station of the GSM cell in the current range through the test script;
Step S2: the mobile station equipment to be tested is placed in a signal shielding box, so that the connection between the mobile station equipment to be tested and the wireless base station is disconnected due to signal interruption;
Step S3: taking the tested mobile station equipment out of the signal shielding box, returning to the signal area, and establishing connection between the tested mobile station equipment and the wireless base station again through the test script;
Step S4: in step S3, if the mobile station device under test is successfully connected to the radio base station, the test is terminated; otherwise, go to step S5;
Step S5: repeating steps S2 to S3;
step S6: and recording the connection result of the tested mobile station equipment and the wireless base station, and ending the test.
Further, in step S1, the step of causing the mobile station device under test to establish a connection with the radio base station of the cell in the current range through the test script includes the following steps:
step S11: the method comprises the steps that PPP link connection is established between the mobile station device to be tested and a wireless base station;
Step S12: establishing a TCP transmission layer for carrying out TCP data transmission test;
step S13: and disconnecting the TCP transmission layer, if the connection is finished, disconnecting the PPP link, and otherwise, turning to the step S12.
Furthermore, the mobile station device to be tested is a handheld mobile POS machine with a built-in GPRS module.
Furthermore, the control unit of the hand-held mobile POS machine is provided with a PPP link automatic reconnection module.
further, before starting step S11, the GPRS module is initialized.
further, before starting step S1, the test script is first programmed into the mobile station device under test.
Further, the signal shielding box is an electromagnetic signal shielding box and is used for disconnecting the tested mobile station device from the wireless base station.
Compared with the prior art, the invention has the following beneficial effects: in the GSM cell system, the GSM cell handover uses a hard handover technique, and for a mobile station, the hard handover process is to disconnect from a base station first, and then initiate connection to the base station after disconnection, i.e., "disconnect before connection". The signal shielding box can isolate external base station signals and interference signals, and the mobile station connected with the base station can be placed in the signal shielding box for a certain time to achieve the purpose of disconnection, so that the 'early disconnection' in the hard switching process is simulated. After disconnection, the connection to the base station is initiated again, so that the 'backward connection' in the hard switching process can be simulated.
The testing method for simulating the GSM cell switching by using the signal shielding box can be combined with the test script to carry out the test and ensure the stability of the function and the performance of the mobile station in the hard switching process through further improvement.
Drawings
the invention is further described with reference to the following figures.
FIG. 1 is a flow chart of a testing method according to an embodiment of the present invention.
FIG. 2 is a flowchart illustrating the operation of a test script according to an embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
as shown in fig. 1 to 2, a test method for simulating GSM cell handover by using a signal shielding box of the present embodiment includes the following steps:
Step S1: the mobile station device to be tested with the test script is arranged in the signal area, and the mobile station device to be tested is connected with the wireless base station of the GSM cell in the current range through the test script;
step S2: the mobile station equipment to be tested is placed in a signal shielding box, so that the connection between the mobile station equipment to be tested and the wireless base station is disconnected due to signal interruption;
step S3: taking the tested mobile station equipment out of the signal shielding box, returning to the signal area, and establishing connection between the tested mobile station equipment and the wireless base station again through the test script;
Step S4: in step S3, if the mobile station device under test is successfully connected to the radio base station, the test is terminated; otherwise, go to step S5;
Step S5: repeating steps S2 to S3;
Step S6: and recording the connection result of the tested mobile station equipment and the wireless base station, and ending the test.
as can be seen from the above, the present invention has the following advantageous effects: the testing of GSM cell switching is simulated through the signal shielding box, the testing is convenient and feasible, and manpower, material resources and time can be greatly saved. The problems occurring in the testing process can be conveniently recorded and checked, and the testing efficiency and quality are improved. The communication performance of the mobile station device under test is determined again by the retest in step S5, and if the connection cannot be established, the mobile station device under test is retested.
in this embodiment, in step S1, the step of causing the mobile station device under test to establish a connection with the radio base station of the cell within the current range through the test script includes the following steps:
step S11: the method comprises the steps that PPP link connection is established between the mobile station device to be tested and a wireless base station;
Step S12: establishing a TCP transmission layer for carrying out TCP data transmission test;
Step S13: and disconnecting the TCP transmission layer, if the connection is finished, disconnecting the PPP link, and otherwise, turning to the step S12.
The invention tests by burning the test script into the tested mobile station equipment, establishes connection with the wireless base station through PPP dialing in the signal area, disconnects the connection with the wireless base station in the signal shielding box, and simulates the switching of the GSM cell, thereby testing the wireless communication performance of the mobile station equipment.
In this implementation, the mobile station device to be tested is a handheld mobile POS device with a GPRS module built in.
In this implementation, the control unit of the hand-held mobile POS machine is provided with a PPP link automatic reconnect module. Through the PPP link automatic reconnection module, after the PPP link is disconnected due to signal interruption, the bottom layer can be spontaneously reconnected, and therefore the communication function of the POS machine after the GSM cell is switched in the communication process is simulated.
In this embodiment, the GPRS module is initialized before starting step S11.
In this embodiment, before starting step S1, a test script is first programmed into the mobile station device under test.
in this embodiment, the signal shielding box is an electromagnetic signal shielding box, and is configured to disconnect the mobile station device under test from the wireless base station.
The specific implementation process of the embodiment:
The tested mobile station equipment is a handheld mobile POS machine provided with a GPRS module, the POS machine host control unit has a PPP link automatic reconnection function, a test script containing PPP dialing, TCP transmission and other functions is compiled, a working flow chart of the test script is shown in figure 2, and the test script is used as an application program to burn the POS machine; operating the POS machine to initiate PPP connection in the signal area so as to establish connection between the POS machine and the wireless base station; putting the POS machine into a signal shielding box to disconnect the POS machine from the wireless base station; taking the POS machine out of the signal shielding box; the POS machine initiates PPP connection again, and further verifies the wireless communication function through TCP communication or the like. In the testing process, a tester can send debugging information through the communication serial port to master the state of the POS at each stage.
In conclusion, the testing method for simulating GSM cell switching by using the signal shielding box provided by the invention is convenient to operate, greatly saves manpower, material resources and time, is convenient to record and troubleshoot problems in the testing process, and improves the testing efficiency and quality.
The above-mentioned preferred embodiments, further illustrating the objects, technical solutions and advantages of the present invention, should be understood that the above-mentioned are only preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A test method for simulating GSM cell switching by using a signal shielding box is characterized by comprising the following steps:
Step S1: the mobile station device to be tested with the test script is arranged in the signal area, and the mobile station device to be tested is connected with the wireless base station of the GSM cell in the current range through the test script;
step S2: the mobile station equipment to be tested is placed in a signal shielding box, so that the connection between the mobile station equipment to be tested and the wireless base station is disconnected due to signal interruption;
Step S3: taking the tested mobile station equipment out of the signal shielding box, returning to the signal area, and establishing connection between the tested mobile station equipment and the wireless base station again through the test script;
Step S4: in step S3, if the mobile station device under test is successfully connected to the radio base station, the test is terminated; otherwise, go to step S5;
Step S5: repeating steps S2 to S3;
Step S6: recording the connection result of the tested mobile station equipment and the wireless base station, and ending the test;
in step S1, the step of causing the mobile station device under test to establish a connection with the radio base station of the cell in the current range through the test script includes the following steps:
step S11: the method comprises the steps that PPP link connection is established between the mobile station device to be tested and a wireless base station;
step S12: establishing a TCP transmission layer for carrying out TCP data transmission test;
Step S13: and disconnecting the TCP transmission layer, if the connection is finished, disconnecting the PPP link, and otherwise, turning to the step S12.
2. The method of claim 1, wherein the testing method comprises the following steps: the mobile station equipment to be tested is a handheld mobile POS machine with a built-in GPRS module.
3. a test method for simulating GSM cell handover using a signal shielding box according to claim 2, characterized in that: the control unit of the hand-held mobile POS machine is provided with a PPP link automatic reconnection module.
4. A test method for simulating GSM cell handover using a signal shielding box according to claim 2, characterized in that: the GPRS module is initialized before starting step S11.
5. The method of claim 1, wherein the testing method comprises the following steps: before starting step S1, a test script is programmed into the mobile station device under test.
6. the method of claim 1, wherein the testing method comprises the following steps: the signal shielding box is an electromagnetic signal shielding box and is used for disconnecting the tested mobile station equipment from the wireless base station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611171563.2A CN106658582B (en) | 2016-12-17 | 2016-12-17 | Test method for simulating GSM cell switching by using signal shielding box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611171563.2A CN106658582B (en) | 2016-12-17 | 2016-12-17 | Test method for simulating GSM cell switching by using signal shielding box |
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| CN106658582A CN106658582A (en) | 2017-05-10 |
| CN106658582B true CN106658582B (en) | 2019-12-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7110721B2 (en) * | 2000-04-25 | 2006-09-19 | Advantest Corporation | Apparatus, method and program for communication test, and recorded medium on which that program has been recorded |
| CN2737083Y (en) * | 2004-10-22 | 2005-10-26 | 富科海科技（苏州）有限公司 | Handset bag |
| CN101895917B (en) * | 2010-07-22 | 2012-07-11 | 北京交大资产经营有限公司 | Method and equipment for measuring switching interrupting time |
| TWI442722B (en) * | 2011-03-25 | 2014-06-21 | Accton Technology Corp | A method of testing the communication performance of two or more wireless signal access devices |
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