CN101170324A - Testing system and testing method of near-field communication device - Google Patents
Testing system and testing method of near-field communication device Download PDFInfo
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- CN101170324A CN101170324A CNA2007101655797A CN200710165579A CN101170324A CN 101170324 A CN101170324 A CN 101170324A CN A2007101655797 A CNA2007101655797 A CN A2007101655797A CN 200710165579 A CN200710165579 A CN 200710165579A CN 101170324 A CN101170324 A CN 101170324A
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Abstract
The invention provides a test system for near field communication devices, which includes: an auxiliary test device communicating with the near field communication device to be tested through magnetic field; a sensing device arranged between the near field communication device and auxiliary test device for sensing near filed signals sent from the near field communication device or auxiliary test device and transmitting the tested near field signals to the testing instrument; and a testing instrument used to capture magnetic signals sensed by the sensing device for signal analysis so as to realize the test on near-field communication devices. The invention also provides a test method for near filed communication devices, thus realizing the test on near filed communication devices.
Description
Technical field
The present invention relates to the near-field communication field, relate to a kind of test macro and method of testing especially at the terminal equipment that the near-field communication function is arranged.
Background technology
Near-field communication (NFC--Near Field Communication) is to merge a kind of new technology that develops and come on radio frequency identification and interconnection technique basis, is a kind of short-distance wireless communication technology standard.Near-field communication has been realized the function of snap gauge plan, reader simulation and point-to-point communication, and working frequency range is 13.56MHz, and operating distance is in 10cm.
By integrated near-field communication chip on terminal equipment, thereby realize to use terminal equipment to carry out doit electronic payment, reading tag information, carry out function such as Point-to-Point Data exchange, be subjected to the extensive concern of each communication apparatus producer.For near-field communication device with multi-functionals such as snap gauge plan, reader simulation and point-to-point communications, in research and development and production test, except carrying out the conventional function and performance test to equipment, also to test, comprise the load modulation signal test when intending as snap gauge to its function and performance under the various mode of operations of near-field communication; Emission field intensity during as reader and modulation waveform test; Under the point to point operation pattern, the modulation waveform test of promoter's emission field intensity and modulation waveform test, target side etc.
The method of testing of the near-field communication interface that defines in the international standard is suitable for the test of contact type intelligent card at present, but is not suitable for the test of near-field communication device.
Summary of the invention
Consider the problems referred to above and make the present invention, for this reason, main purpose of the present invention is, a kind of test macro of near-field communication device is provided, and it comprises:
Subtest equipment carries out communication by magnetic field and near-field communication device to be measured;
Induction installation is arranged between near-field communication device to be measured and the subtest equipment, is used for the near-field signals that sensing near-field communication device to be measured and subtest device talk are produced, and the near-field signals that senses is sent to tester; And
Tester is used to catch near-field signals by the induction installation sensing to carry out signal analysis, to realize the test to near-field communication device to be measured.
This test macro can also comprise: watch-dog, be connected with near-field communication device to be measured, and be used to control or monitor the state of near-field communication device to be measured.
Induction installation can be near field probes.
Can be with the coil of near field probes, the antenna of subtest equipment and antenna parallel placement within operating distance of near-field communication device to be measured, and the center of antenna of the center of antenna of the hub of a spool of near field probes and near-field communication device to be measured and subtest equipment is on same straight line.
Tester can be caught the signal of 13.56MHz.
Can by different testers realize that the magnetic field intensity of near-field signals is measured and signal in the analysis of frequency domain and time domain.
Select subtest equipment according to content measurement, wherein, subtest equipment is other near-field communication devices, signal generator, contactless reader, contactless card, perhaps has the simulator of signal generator, contactless reader or contactless card function.
Near-field communication device to be measured can be connected by cable with watch-dog.
Near-field communication device to be measured has the relevant configuration of supporting that near-field communication is used, as, the near-field communication SIM card.
According to a further aspect in the invention, provide a kind of method of testing of near-field communication device, having comprised:
Step S202 connects induction installation on the tester, parameter is set, and makes tester be in the signal capture state;
Step S204, the near-field signals of coming sensing to produce by induction installation by communication between near-field communication device to be measured and the subtest equipment, and the near-field signals that senses sent to tester; And
Step S206 obtains the near-field signals of the sensing that induction installation sends by tester, and the near-field signals of sensing is analyzed, to realize the test to near-field communication device to be measured.
Before step S204, can also comprise: watch-dog control or monitor the operating state of near-field communication device to be measured, comprise to tested near-field communication device send the required command sequence of test or check tested near-field communication device and subtest equipment between the command interaction sequence.
The tester can perhaps by corresponding testing program in the watch-dog, control the operating state of near-field communication device to be measured by man-machine (MMI) interface on the near-field communication device to be measured.
By technique scheme, can realize test to near-field communication device.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 shows the block diagram according to the testing apparatus of near-field communication device of the present invention; And
Fig. 2 shows the flow chart according to the method for testing of near-field communication device of the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Fig. 1 shows the block diagram according to the testing apparatus of near-field communication device of the present invention.
With reference to Fig. 1, a kind of test macro of near-field communication device is provided, it comprises:
Tester 103 is used to catch near-field signals by induction installation 102 sensings to carry out signal analysis, to realize the test to near-field communication device to be measured.
This test macro 103 can also comprise: watch-dog, be connected with near-field communication device to be measured, and be used to control or monitor the state of near-field communication device to be measured.
Can be with the coil of near field probes, the antenna of subtest equipment 101 and antenna parallel placement within operating distance of near-field communication device to be measured, and the center of antenna of the center of antenna of the hub of a spool of near field probes and near-field communication device to be measured and subtest equipment is on same straight line.
Tester 103 can be caught the signal of 13.56Mhz.
Can by different tester 103 realize that the magnetic field intensity of near-field signals is measured and signal in the analysis of frequency domain and time domain.
Select subtest equipment according to content measurement, wherein, subtest equipment 101 can be signal generator, other near-field communication devices, contactless reader, contactless card or simulator with signal generator, contactless reader or contactless card function.
Near-field communication device to be measured need have supports near-field communication to use required relevant configuration, as the near-field communication SIM card.
Near-field communication device to be measured can be connected by cable with watch-dog.
Fig. 2 shows the flow chart according to the method for testing of near-field communication device of the present invention.
With reference to Fig. 2, a kind of method of testing of near-field communication device is provided, comprising:
Step S202 connects induction installation on the tester, parameter is set, and makes tester be in the signal capture state;
Step S204, the near-field signals of coming sensing to produce by induction installation by communication between near-field communication device to be measured and the subtest equipment, and the near-field signals that senses sent to tester; And
Step S206 obtains the near-field signals of the sensing that induction installation sends by tester, and the near-field signals of sensing is analyzed, to realize the test to near-field communication device to be measured.
Can also comprise before step S204: watch-dog is monitored the operating state of near-field communication device to be measured, comprise to tested near-field communication device send the required command sequence of test or check tested near-field communication device and subtest equipment between the command interaction sequence.
Watch-dog can perhaps by corresponding testing program in the watch-dog, be controlled the operating state of near-field communication device to be measured by the MMI interface on the near-field communication device to be measured.
Point to point operation pattern with near-field communication device to be measured is that example illustrates how method of testing of the present invention is implemented, and selects test item to be: test tested near-field communication device under passive communication mode, modulation index during as the promoter and modulation waveform.Step is as follows:
(1) as shown in Figure 1, build test environment.Selecting subtest equipment is other near-field communication devices, all inserts the required SIM card of near-field communication in near-field communication device to be measured and the auxiliary communication apparatus, closes the power supply of subtest equipment.Coil, subtest equipment and near-field communication device to be measured parallel placement within operating distance with near field probes, near-field communication device antenna to be measured and subtest device antenna side be all towards the near field probes side, and the center of antenna that makes the hub of a spool of near field probes and near-field communication device to be measured and subtest equipment is on same line.Connect tester with near field probes, tester is selected spectrum analyzer here.Connect watch-dog and near-field communication device to be measured with Serial Port Line.
(2) parameters such as centre frequency, Span, modulation type are set on tester, select the spectrum analysis test then.
(3) open near-field communication device power supply to be measured, control by the test program on the watch-dog that near-field communication device to be measured is initiated under the passive communication mode, the application of arbitrary speed.And check interactive command between near-field communication device to be measured and the subtest equipment.
(4) catch the modulation signal that near-field communication device to be measured sends with tester, analyze the parameters such as modulation index, modulation waveform of modulation signal, and compare with expected results.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. the test macro of a near-field communication device is characterized in that, comprising:
Subtest equipment carries out communication by magnetic field and described near-field communication device to be measured;
Induction installation, be arranged between described near-field communication device to be measured and the described subtest equipment, be used for the near-field signals that described near-field communication device to be measured of sensing and described subtest device talk are produced, and the described near-field signals that will sense sends to tester; And
Described tester is used to catch described near-field signals by described induction installation sensing to carry out signal analysis, to realize the test to described near-field communication device to be measured.
2. test macro according to claim 1 is characterized in that, also comprises: watch-dog, be connected with described near-field communication device to be measured, and be used to control or monitor the state of near-field communication device to be measured.
3. test macro according to claim 1 is characterized in that, described induction installation is a near field probes.
4. test macro according to claim 1, it is characterized in that, with antenna parallel placement within operating distance of the antenna and the described near-field communication device to be measured of the coil of described near field probes, described subtest equipment, and the center of antenna of the center of antenna of the hub of a spool of described near field probes and described near-field communication device to be measured and described subtest equipment is on same straight line.
5. test macro according to claim 1 is characterized in that described tester is caught the signal of 13.56MHz.
6. test macro according to claim 1 is characterized in that, by different testers realize that the magnetic field intensity of described near-field signals is measured and signal in the analysis of frequency domain and time domain.
7. test macro according to claim 1, it is characterized in that, select described subtest equipment according to content measurement, wherein, described subtest equipment is other near-field communication devices, signal generator, contactless reader, contactless card, perhaps has the simulator of signal generator, contactless reader or contactless card function.
8. test macro according to claim 1 is characterized in that, described near-field communication device to be measured is connected by cable with described watch-dog.
9. test macro according to claim 1 is characterized in that, described near-field communication device to be measured has the relevant configuration of supporting that near-field communication is used.
10. test macro according to claim 9 is characterized in that, the relevant configuration that described support near-field communication is used is the near-field communication SIM card.
11. the method for testing according to the near-field communication device of each described test macro execution in the aforementioned claim is characterized in that, comprising:
Step S202 connects induction installation on the tester, parameter is set, and makes described tester be in the signal capture state;
Step S204, the near-field signals of coming sensing to produce by induction installation by communication between described near-field communication device to be measured and the subtest equipment, and the described near-field signals that senses sent to described tester; And
Step S206 obtains the described near-field signals of the sensing that described induction installation sends by described tester, and the described near-field signals of sensing is analyzed, to realize the test to described near-field communication device to be measured.
12. method of testing according to claim 11 is characterized in that, in described step
Also comprise before the S204:
Watch-dog control or monitor the operating state of described near-field communication device to be measured, comprise to tested near-field communication device send the required command sequence of test or check tested near-field communication device and subtest equipment between the command interaction sequence.
13. method of testing according to claim 11 is characterized in that, can perhaps by corresponding testing program in the described watch-dog, control the described operating state of described near-field communication device to be measured by the man-machine interface on the near-field communication device to be measured.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101655797A CN101170324B (en) | 2007-11-19 | 2007-11-19 | Testing system and testing method of near-field communication device |
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| CN2007101655797A CN101170324B (en) | 2007-11-19 | 2007-11-19 | Testing system and testing method of near-field communication device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010057390A1 (en) * | 2008-11-24 | 2010-05-27 | 中兴通讯股份有限公司 | Method and device for testing reception sensitivity of load modulation signal |
| CN103001705A (en) * | 2011-09-13 | 2013-03-27 | 上海华虹Nec电子有限公司 | Generation system and generation method for near field communication transceiver chip test waves |
| CN103293492A (en) * | 2012-02-27 | 2013-09-11 | 国民技术股份有限公司 | Magnetic signal detection device and method |
| CN104113853A (en) * | 2013-04-19 | 2014-10-22 | 深圳电信研究院 | Detection method for interface between mobile terminal and SIM card and detection device thereof |
| CN104702346A (en) * | 2015-02-02 | 2015-06-10 | 深圳市共进电子股份有限公司 | Near-field multi-machine testing system and method |
| CN105954690A (en) * | 2016-06-13 | 2016-09-21 | 公安部第研究所 | Magnetic field intensity metering method for energy testing simulation card |
-
2007
- 2007-11-19 CN CN2007101655797A patent/CN101170324B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010057390A1 (en) * | 2008-11-24 | 2010-05-27 | 中兴通讯股份有限公司 | Method and device for testing reception sensitivity of load modulation signal |
| CN101741478B (en) * | 2008-11-24 | 2014-01-01 | 中兴通讯股份有限公司 | Method and device for testing receiving sensitivity of load modulation signal |
| CN103001705A (en) * | 2011-09-13 | 2013-03-27 | 上海华虹Nec电子有限公司 | Generation system and generation method for near field communication transceiver chip test waves |
| CN103001705B (en) * | 2011-09-13 | 2015-02-04 | 上海华虹宏力半导体制造有限公司 | Generation system and generation method for near field communication transceiver chip test waves |
| CN103293492A (en) * | 2012-02-27 | 2013-09-11 | 国民技术股份有限公司 | Magnetic signal detection device and method |
| CN103293492B (en) * | 2012-02-27 | 2016-06-01 | 国民技术股份有限公司 | A kind of magnetic signal detection device and method |
| CN104113853A (en) * | 2013-04-19 | 2014-10-22 | 深圳电信研究院 | Detection method for interface between mobile terminal and SIM card and detection device thereof |
| CN104702346A (en) * | 2015-02-02 | 2015-06-10 | 深圳市共进电子股份有限公司 | Near-field multi-machine testing system and method |
| CN105954690A (en) * | 2016-06-13 | 2016-09-21 | 公安部第研究所 | Magnetic field intensity metering method for energy testing simulation card |
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| CN101170324B (en) | 2013-07-03 |
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Effective date of registration: 20201223 Address after: 276800 west head of Shanghai Road, Rizhao Development Zone, Shandong Province Patentee after: Runfeng Construction Group Co.,Ltd. Address before: 518057 Zhongxing building, science and technology south road, Nanshan District hi tech Industrial Park, Guangdong, Shenzhen Patentee before: ZTE Corp. |
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