CN103179590A - System and method for testing RF (Radio Frequency) SIM (Subscriber Identity Module) card - Google Patents
System and method for testing RF (Radio Frequency) SIM (Subscriber Identity Module) card Download PDFInfo
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- CN103179590A CN103179590A CN2011104378735A CN201110437873A CN103179590A CN 103179590 A CN103179590 A CN 103179590A CN 2011104378735 A CN2011104378735 A CN 2011104378735A CN 201110437873 A CN201110437873 A CN 201110437873A CN 103179590 A CN103179590 A CN 103179590A
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Abstract
The invention relates to a system and method for testing a RF (Radio Frequency) SIM (Subscriber Identity Module) card. The system for testing the RF SIM card comprises a shielding device used for containing a RF SIM card and shielding interference from external signals to the RF SIM card during the shielding test process; a testing device used for testing the RF SIM card; a communication terminal used for supplying electric power to the RF SIM card and the testing device, controlling the RF SIM card and displaying a test result; and a card reading device used for connecting the communication terminal with the RF SIM card. The system and method for testing the RF SIM card can shield interference from the external signals during the shielding test process, and improve reliability of the test result. In addition, the devices in the system for testing the RF SIM card are low in price, and expensive testing devices such as a frequency spectrograph is unnecessary, so that the testing cost for the RF SIM card is reduced. Furthermore, the system for testing the RF SIM card is simple in testing operation, and is suitable for test of mass production.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of test macro and method of radio-frequency SIM card.
Background technology
Day by day universal along with the development of REID and mobile communication terminal (for example mobile phone), embed radio frequency smart card in the mobile communication terminals such as mobile phone, make people can utilize the radio frequency smart card in the mobile communication terminal such as mobile phone to process the routine matters such as purchase and consumption, small amount payment and work attendance, become a reality.The most direct method that can reflect radio-frequency SIM card (comprising the RFID-SIM card) function quality is exactly the radio frequency key property of testing radio frequency SIM card, whether sees standard up to specification.When in exposed environment, radio-frequency SIM card being tested, the radio-frequency SIM card parameter index easily is subject to the interference of extraneous other signals, thereby causes test result unreliable.In prior art, the test of radio-frequency SIM card need to be by testing equipments such as frequency spectrographs, and testing cost is higher,
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of test macro and method of radio-frequency SIM card, improves the reliability of test result, reduces simultaneously testing cost.
For solving the problems of the technologies described above, the present invention proposes a kind of test macro of radio-frequency SIM card, comprising:
Screening arrangement is used for holding radio-frequency SIM card, the interference of outer signals to described radio-frequency SIM card in the shielding test process;
Testing apparatus is used for described radio-frequency SIM card is tested;
Communication terminal is used to the power supply of described radio-frequency SIM card and described testing apparatus, controls described radio-frequency SIM card, and shows test results;
Reader device is used for connecting described communication terminal and described radio-frequency SIM card.
Further, the test macro of above-mentioned radio-frequency SIM card also can have following characteristics, also comprises: jockey is used for connecting described radio-frequency SIM card and described reader device.
Further, the test macro of above-mentioned radio-frequency SIM card also can have following characteristics, and described screening arrangement is shielded box, and the inwall of described shielded box is coated with absorbing material, is provided with deck in described screening arrangement, and described deck is used for fixing described radio-frequency SIM card.
Further, the test macro of above-mentioned radio-frequency SIM card also can have following characteristics, is provided with antenna in described screening arrangement, and described antenna is connected with described radio-frequency SIM card, and is connected by the radio-frequency (RF) coaxial line with described testing apparatus.
Further, the test macro of above-mentioned radio-frequency SIM card also can have following characteristics, and described testing apparatus comprises:
Radio-frequency communication module is used for the radio communication situation of testing described testing apparatus and described radio-frequency SIM card;
Power detection module, for detection of the transmitting power of described radio-frequency SIM card, and the radio-frequency performance index of testing described radio-frequency SIM card;
The power attenuation module, the transmitting power that is used for described radio-frequency SIM card that described power detection module is detected decays according to preset proportion;
Main control module is used for controlling described radio-frequency communication module, described power detection module and described power attenuation module.
Further, the test macro of above-mentioned radio-frequency SIM card also can have following characteristics, and described communication terminal is computer.
Further, the test macro of above-mentioned radio-frequency SIM card also can have following characteristics, and described jockey is 7816 interface signal connecting circuit boards.
Further, the test macro of above-mentioned radio-frequency SIM card also can have following characteristics, and described testing apparatus is connected with described communication terminal by the USB connecting line.
Further, the test macro of above-mentioned radio-frequency SIM card also can have following characteristics, and described reader device is the PC/SC card reader.
For solving the problems of the technologies described above, the present invention proposes a kind of method of testing of radio-frequency SIM card, comprising:
Radio-frequency SIM card to be tested is placed in the shielding environment;
The described radio-frequency SIM card that is opposite in the shielding environment is tested.
The test macro of radio-frequency SIM card of the present invention and method can shield the interference of outer signals in test process, have improved the reliability of test result.And each device in the test macro of radio-frequency SIM card of the present invention is cheap, does not need the expensive testing equipments such as frequency spectrograph, has therefore reduced the testing cost of radio-frequency SIM card.Moreover, the test macro of radio-frequency SIM card of the present invention, test operation is simple, is applicable to the volume production test.
Description of drawings
Fig. 1 is the structured flowchart of the test macro of radio-frequency SIM card of the present invention;
Fig. 2 is a kind of structured flowchart of testing apparatus 120 in Fig. 1;
Fig. 3 is the connection diagram of the test macro of radio-frequency SIM card in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example only is used for explaining the present invention, is not be used to limiting scope of the present invention.
Fig. 1 is the structured flowchart of the test macro of radio-frequency SIM card of the present invention.As shown in Figure 1, the test macro 100 of radio-frequency SIM card of the present invention comprises screening arrangement 110, testing apparatus 120, communication terminal 130, reader device 140 and jockey 150.Screening arrangement 110 is used for holding radio-frequency SIM card, the outer signals correlation interference of SIM card frequently in the shielding test process.Testing apparatus 120 is used for radio-frequency SIM card is tested.Communication terminal 130 is used to radio-frequency SIM card and testing apparatus 120 power supplies, controls radio-frequency SIM card, and shows test results.Reader device 140 is used for connecting communication terminal 130 and jockey 150.Jockey 150 is used for connecting radio-frequency SIM card and reader device 140.Communication terminal 130 sends electric energy to by reader device 140 and jockey 150 radio-frequency SIM card that is placed in screening arrangement 110.Reader device 140 is connected by the USB connecting line with communication terminal 130.The slot that has jockey 150 in reader device 140, jockey 150 can directly be inserted into reader device 140 the insides.
Wherein, screening arrangement 110 can be shielded box, and the inwall of this shielded box is coated with absorbing material, and shielded box is outside uses the screw reinforcing to seal, and can play jamproof effect, makes test result more reliable.Screening arrangement 110 is interior can be provided with deck, and this deck is used for fixing radio-frequency SIM card to be tested.Screening arrangement 110 is interior can also be provided with antenna, this antenna is used for the radiofrequency signal of received RF SIM card emission, then draw on the testing apparatus 120 that is radiated outside screening arrangement 110 by coaxial line, and this antenna also is connected by RF coaxial line (being the radio-frequency (RF) coaxial line) with testing apparatus 120.The RF coaxial line can guarantee effectively that the communication between radio-frequency SIM card and RF test board is not subject to other signals and disturbs, and further improves the reliability of test result.
Wherein, communication terminal 130 can be computer.
Wherein, reader device 140 can be PC/SC(Personal Computer/ Smart Card, personal computer/smart card) card reader.PC/SC is a kind of normal structure that defines for the smart card access windows platform.
Wherein, jockey 150 can be 7816 interface signal connecting circuit boards.7816 interface signal connecting circuit boards can the filtering radiofrequency signal, only allows by 7816 signals.
Wherein, testing apparatus 120 can be connected with communication terminal 130 by the USB connecting line.
Fig. 2 is a kind of structured flowchart of testing apparatus 120 in Fig. 1.As shown in Figure 2, testing apparatus 120 can comprise radio-frequency communication module 121, power detection module 122, power attenuation module 123 and main control module 124.Wherein, radio-frequency communication module 121 is used for the radio communication situation of test testing apparatus 120 and radio-frequency SIM card.Power detection module 122 is for detection of the transmitting power of radio-frequency SIM card, and the radio-frequency performance index of testing radio frequency SIM card.Power attenuation module 123 decays according to preset proportion for the transmitting power of the radio-frequency SIM card that power detection module 122 is detected.Main control module 124 is used for controlling radio-frequency communication module 121, power detection module 122 and power attenuation module 123.
Utilize the test macro of radio-frequency SIM card of the present invention, can carry out following test to radio-frequency SIM card:
Power test: the performance number of radio-frequency SIM card actual measurement to be measured and the performance number of reference card are made comparisons, if in indication range, the R test is passed through;
Error rate test: check radio-frequency SIM card to be measured whether can carry out proper communication under default transmitting power and frequency.
The course of work of the test macro of the annexation between each device in the test macro of radio-frequency SIM card of the present invention and radio-frequency SIM card is described below by an embodiment.
Fig. 3 is the connection diagram of the test macro of radio-frequency SIM card in the embodiment of the present invention.As shown in Figure 3, in the present embodiment, the test macro of radio-frequency SIM card comprises shielded box, RF(radio frequency) test board, PC (being personal computer), PC/SC card reader and 7816 interface signal connecting circuit boards.Wherein, shielded box is screening arrangement, and the RF test board is testing apparatus, and PC is communication terminal, and the PC/SC card reader is reader device, and 7816 interface signal connecting circuit boards are jockey.Here deck is done some explanation: the major part of deck is in shielded box inside, just the draw-in groove of deck (being used for inserting radio-frequency SIM card) part is outside shielded box, so that the insertion of radio-frequency SIM card, therefore in Fig. 3, the housing of deck is signed in the shielded box outside.
In Fig. 3, the inwall of shielded box is coated with absorbing material.Be provided with the deck for the fixed RF SIM card in shielded box.Also be provided with antenna in shielded box, this antenna is connected with radio-frequency SIM card in being placed in deck.Be connected by the USB connecting line between PC and PC/SC card reader, 7816 interface signal connecting circuit boards directly are inserted in the PC/SC card reader.During test, card to be measured (being radio-frequency SIM card to be tested) is placed in the interior deck of shielded box.Be placed on the radio-frequency SIM card in shielded box, be inserted into the draw-in groove of deck, be connected by winding displacement between deck and 7816 interface signal connecting circuit boards, the antenna in shielded box is positioned at 1cm place under radio-frequency SIM card, is used for the radiofrequency signal that the received RF SIM card is launched.Be connected by the RF coaxial line between antenna in shielded box and RF test board.The RF test board is connected with the USB connecting line by the RS232 connecting line with PC, and the USB connecting line is used for to the power supply of RF test board and downloads test program, and the RS232 connecting line is used for showing or the printing test result.
Before testing, at first each device in the test macro of radio-frequency SIM card is connected according to Fig. 3.The course of work of the test system and test radio-frequency SIM card transmitting power of radio-frequency SIM card shown in Figure 3 is:
Step 1 before the test macro that uses radio-frequency SIM card is tested radio-frequency SIM card, be calibrated the test macro of radio-frequency SIM card, with the variation of the avoiding test environment impact on test result;
Can use the test macro of benchmark radio-frequency SIM card (hereinafter to be referred as reference card) calibrate radio frequency SIM card.In calibration process, if find that reference card and historical standard value differ larger, think that this reference card is underproof reference card, need to change reference card and again calibrate.After calibrating successfully, the reference card environment verification performance number transmission power level of the measured reference card of the test macro of radio-frequency SIM card of the present invention (namely by) is stored in test macro fiducial value as follow-up radio-frequency SIM card to be measured.
Before each volume production test, need to carry out primary calibration to test macro, be applicable to current test to guarantee test macro.
The reference card of mentioning herein refers to the very excellent radio-frequency SIM card of radio-frequency performance selected in advance, and the radio-frequency SIM card of back volume production test all needs to compare with reference card, and the difference of reference card is less, and the radio-frequency performance of card to be measured is better.
Step 2 is inserted radio-frequency SIM card to be measured in the deck of shielded box, connects the PC/SC card reader, and PC just can be given radio-frequency SIM card and the power supply of whole test macro, and controls radio-frequency SIM card;
Before testing, to download corresponding test program in radio-frequency SIM card to be measured and RF test board.In test program, each test event (such as transmitting power, the error rate etc.) is encapsulated as separately test function, after the electrification reset success, can carry out successively every test.Test program is divided into two parts, and a part is used for downloading to radio-frequency SIM card, and another part is used for downloading to the RF test board.
Step 3, PC is to being sent emission signal command frequently by frequency measurement identification SIM card, and radio-frequency SIM card is by the antenna transmission radiofrequency signal;
Step 4, RF test board detect radio-frequency (RF) signal strength, and performance number and the fiducial value that detects compared, if both difference is at setting range, are identified SIM card by frequency measurement qualified; If both difference surpasses setting range, defective by frequency measurement identification SIM card;
The unit that it should be noted that the performance number that the RF test board detects is different with actual power unit, need to do certain conversion.
We are called RSSI with the power unit that the RF test board detects, and the formula that RSSI measures is :-100dbm+(160-RSSI)/3 when the reality test converts, if attenuation module has attenuation, also need to add attenuation (unit of attenuation is dbm).For example, be 40RSSI if the RF test board tests out performance number, attenuation is 25dbm, calculates actual power according to formula-100dbm+(160-RSSI)/3 to be-35dbm.
Step 5, the RF test board is sent to PC with test result by serial ports (as RS232).
During with the test system and test error rate of radio-frequency SIM card shown in Figure 3, the transmitting power that the radio-frequency communication module of RF test board is set is minimum, and power attenuation module pad value is maximum.Then on this basis, allow RF test board and tested radio-frequency SIM card fixedly communicate on frequency, whether test data-bag lost occurs, and the RF test board is sent to PC with the packet number of transmission success and success rate and shows.
The test macro of radio-frequency SIM card of the present invention can also be tested other radio frequency parameter.The frequency deviation that for example test macro of radio-frequency SIM card of the present invention can also the testing radio frequency SIM card.The method of the frequency deviation of testing radio frequency SIM card is: by adjusting the receive frequency of the power detection module on testing apparatus (such as the RF test board), come the radio-frequency (RF) signal strength of received RF SIM card and detect the intensity of this radiofrequency signal, if detected radio-frequency (RF) signal strength value is in default deviation range, think that the frequency deviation test of radio-frequency SIM card passes through, the frequency deviation index meets the requirements, otherwise thinks that the frequency deviation index is undesirable.
Therefore the test macro of radio-frequency SIM card of the present invention can shield the interference of outer signals in test process, has improved the reliability of test result.And each device in the test macro of radio-frequency SIM card of the present invention is cheap, does not need the expensive testing equipments such as frequency spectrograph, has therefore reduced the testing cost of radio-frequency SIM card.Moreover, the test macro of radio-frequency SIM card of the present invention, test operation is simple, is applicable to the volume production test.
The invention allows for a kind of method of testing of radio-frequency SIM card, the method comprises the steps:
Radio-frequency SIM card to be tested is placed in the shielding environment;
The radio-frequency SIM card that is opposite in the shielding environment is tested.
The method of testing of radio-frequency SIM card of the present invention can shield the interference of outer signals in test process, has improved the reliability of test result.
The above is only preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the test macro of a radio-frequency SIM card, is characterized in that, comprising:
Screening arrangement is used for holding radio-frequency SIM card, the interference of outer signals to described radio-frequency SIM card in the shielding test process;
Testing apparatus is used for described radio-frequency SIM card is tested;
Communication terminal is used to the power supply of described radio-frequency SIM card and described testing apparatus, controls described radio-frequency SIM card, and shows test results;
Reader device is used for connecting described communication terminal and described radio-frequency SIM card.
2. the test macro of radio-frequency SIM card according to claim 1, is characterized in that, also comprises:
Jockey is used for connecting described radio-frequency SIM card and described reader device.
3. the test macro of radio-frequency SIM card according to claim 1, it is characterized in that, described screening arrangement is shielded box, and the inwall of described shielded box is coated with absorbing material, be provided with deck in described screening arrangement, described deck is used for fixing described radio-frequency SIM card.
4. the test macro of radio-frequency SIM card according to claim 1, is characterized in that, is provided with antenna in described screening arrangement, and described antenna is connected with described radio-frequency SIM card, and be connected by the radio-frequency (RF) coaxial line with described testing apparatus.
5. the test macro of radio-frequency SIM card according to claim 1, is characterized in that, described testing apparatus comprises:
Radio-frequency communication module is used for the radio communication situation of testing described testing apparatus and described radio-frequency SIM card;
Power detection module, for detection of the transmitting power of described radio-frequency SIM card, and the radio-frequency performance index of testing described radio-frequency SIM card;
The power attenuation module, the transmitting power that is used for described radio-frequency SIM card that described power detection module is detected decays according to preset proportion;
Main control module is used for controlling described radio-frequency communication module, described power detection module and described power attenuation module.
6. the test macro of radio-frequency SIM card according to claim 1, is characterized in that, described communication terminal is computer.
7. the test macro of radio-frequency SIM card according to claim 1, is characterized in that, described jockey is 7816 interface signal connecting circuit boards.
8. the test macro of radio-frequency SIM card according to claim 1, is characterized in that, described testing apparatus is connected with described communication terminal by the USB connecting line.
9. the test macro of radio-frequency SIM card according to claim 1, is characterized in that, described reader device is the PC/SC card reader.
10. the method for testing of a radio-frequency SIM card, is characterized in that, comprising:
Radio-frequency SIM card to be tested is placed in the shielding environment;
The described radio-frequency SIM card that is opposite in the shielding environment is tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011104378735A CN103179590A (en) | 2011-12-23 | 2011-12-23 | System and method for testing RF (Radio Frequency) SIM (Subscriber Identity Module) card |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104378735A CN103179590A (en) | 2011-12-23 | 2011-12-23 | System and method for testing RF (Radio Frequency) SIM (Subscriber Identity Module) card |
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| CN103179590A true CN103179590A (en) | 2013-06-26 |
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| CN2011104378735A Pending CN103179590A (en) | 2011-12-23 | 2011-12-23 | System and method for testing RF (Radio Frequency) SIM (Subscriber Identity Module) card |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103400096A (en) * | 2013-08-20 | 2013-11-20 | 东信和平科技股份有限公司 | Dual-purpose card reader, as well as NFC-SIM (near field communication-subscriber identity module) card reader and testing method thereof |
| CN108089112A (en) * | 2017-11-17 | 2018-05-29 | 芯海科技（深圳）股份有限公司 | A kind of Bluetooth electronic scale PCBA batch testing methods and system |
| CN109150321A (en) * | 2018-07-25 | 2019-01-04 | 深圳市宝测达技术服务有限公司 | One kind is based on multiband wireless device combination cabinet test macro and intelligent automation test method |
| CN109344934A (en) * | 2018-12-12 | 2019-02-15 | 威胜集团有限公司 | Pre-payment radio-frequency card and electric energy meter data exchange process detection device and detection method |
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| WO2005043670A2 (en) * | 2003-09-11 | 2005-05-12 | Motorola, Inc. | Communication device with internal antenna system |
| CN101090551A (en) * | 2007-07-12 | 2007-12-19 | 青岛海信移动通信技术股份有限公司 | Test method for double-mode mobile phone |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400096A (en) * | 2013-08-20 | 2013-11-20 | 东信和平科技股份有限公司 | Dual-purpose card reader, as well as NFC-SIM (near field communication-subscriber identity module) card reader and testing method thereof |
| CN103400096B (en) * | 2013-08-20 | 2016-04-27 | 东信和平科技股份有限公司 | Double-purpose card reader, NFC-SIM card reader and method of testing thereof |
| CN108089112A (en) * | 2017-11-17 | 2018-05-29 | 芯海科技（深圳）股份有限公司 | A kind of Bluetooth electronic scale PCBA batch testing methods and system |
| CN109150321A (en) * | 2018-07-25 | 2019-01-04 | 深圳市宝测达技术服务有限公司 | One kind is based on multiband wireless device combination cabinet test macro and intelligent automation test method |
| CN109344934A (en) * | 2018-12-12 | 2019-02-15 | 威胜集团有限公司 | Pre-payment radio-frequency card and electric energy meter data exchange process detection device and detection method |
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Application publication date: 20130626 |
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