CN101592704A - Radio frequency identification RFID test method - Google Patents
Radio frequency identification RFID test method Download PDFInfo
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- CN101592704A CN101592704A CNA2008101133541A CN200810113354A CN101592704A CN 101592704 A CN101592704 A CN 101592704A CN A2008101133541 A CNA2008101133541 A CN A2008101133541A CN 200810113354 A CN200810113354 A CN 200810113354A CN 101592704 A CN101592704 A CN 101592704A
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Abstract
The present invention relates to a kind of radio frequency identification RFID test method.This method flow comprises that essential information typing read write line writes electronic tag to the essential information that needs the detected electrons RFID tags; Digital signal generator produces a digital signal, produce the radiofrequency signal that meets the ISO international standard by radio frequency generation/identification circuit, after RFID chip to be tested is received this signal, under normal circumstances can produce a return signal, this moment, the identification division of emission of radio frequency signals/identification circuit was promptly caught this signal, and convert thereof into and be digital signal corresponding, compare by test macro and the expected value of preserving in advance, whether the communication function of differentiating chip realizes; Testing apparatus is used to receive the detection data items information of RFID chip to be measured, comprises that physical characteristics detects, static properties detects, dynamic property detection and radio-frequency (RF) identification and electronic tag product application simulation testing field, and test result is transferred to main frame.The present invention can realize the rapid and convenient RFID test, and standard consistency and optimization are measured.
Description
Technical field
[001] the present invention relates to a kind of electronic tag RFI D method of testing.
Background technology
[002] RFID has become the focus of IT field, and many countries are all sparing no effort to promote this technology.Yet although the RFID technology just progressively is familiar with by people in all trades and professions and is paid attention to, it still fails to move towards large-scale application, still is confined to Demonstration Application among a small circle.Cause the basic reason of this present situation to be, the various application systems that RFID technology itself also is based on this technology and is derived all also exist open question still.These stubborn problems have restricted being in full swing that the RFID technology is used in numerous industries.Therefore, before practical application, rfid system and applied environment are tested, will be reduced the difficulty that RFID disposes and uses in enterprise, thereby help lend some impetus to the formation and development of entire RF ID industrial chain.
[003] present, each state is all in the test job of actively developing the RFID technology and equipment.In order to take part in international competition at leisure, the Chinese government and relevant enterprise should carefully embark the RFID test center of oneself, and specific aim research is carried out on basis of the general character in the RFID industrialization and gordian technique.
[004] the rfid system test is by proposing the series of tests method of RFID technology, set up the joint test platform of open RFID software and hardware product, formulate serial RFID software and hardware product test standard and standard, form the testing standard system of RFID technology, satisfy public service demands such as RFID technical research test, application testing.
[005] from the trend of international and domestic RFID measuring technology development, the RFID measuring technology will be developed to performance test by functional test.Performance test as: the consistance of test label, physical characteristics, read distance, reading angular, dynamically read rate, depth of modulation, reliability, attaching intensity, material behavior (anti-flammability, torsion characteristic, deformation characteristic, temperature stability, humidity etc.), environmental suitability (diamagnetic, antistatic, uvioresistant, anti-X ray, antistatic, alternating magnetic field, alternating electric field, vibration, waveform distortion), serviceable life etc.; The coverage, emissive power, emission spectrum, agreement accordance, noiseproof feature, surface structure, power supply adaptive faculty, noise, safety, EMC radio interference, reliability, working temperature, EMS radiosensitivity, environmental suitability (vibration, impact, collision, electric strength etc.) of test read write line, to the adaptability of label, serviceable life etc.; Rationality, the dynamic performance (as travelling belt, sorting system) of test read write line space layout, particular surroundings (metal, liquid) is system performance down, security of system, reliability etc.
[006] to set up a standard and authority's RFID test environment, just must start with, take all factors into consideration many influence factors such as position, distance, temperature, humidity, interference, set up the test environment of a multi-angle from hardware and software environment two aspects; On the other hand, in testing software, consider can be at the universal test program of the RFID product of different manufacturers.In addition, the test specification that also should strictly observe a standard in test process is carried out.
Summary of the invention
[007] the object of the invention is to provide a kind of RFID method of testing.Make the RFID test by supervising requirement and meeting used standard.
[008] the present invention seeks to be achieved through the following technical solutions:
[009] a kind of radio frequency identification RFID test method is characterized in that, may further comprise the steps,
[010] step 1, essential information typing read write line writes electronic tag to the essential information that needs the detected electrons RFID tags;
[011] step 2, digital signal generator produces a digital signal, produce the radiofrequency signal that meets the ISO international standard by radio frequency generation/identification circuit, after RFID chip to be tested is received this signal, under normal circumstances can produce a return signal, this moment, the identification division of emission of radio frequency signals/identification circuit was promptly caught this signal, and converted thereof into and be digital signal corresponding, compare by test macro and the expected value of preserving in advance, whether the communication function of differentiating chip realizes;
[012] step 3, testing apparatus, be used to receive the detection data items information of RFID chip to be measured, comprise physical characteristics detection, static properties detection, dynamic property detection and radio-frequency (RF) identification and electronic tag product application simulation testing field, and test result is transferred to main frame;
[013] main frame is used to control testing process, record and test data;
[014] electronic tag is made up of chip and coupling components and parts, has EEPROM to be used for store identification sign indicating number or other data on the chip, and label contains built-in aerial, is used to finish and the communicating by letter of read write line;
[015] rfid interrogator is used to control radio-frequency module and reads signal to label emission, and receives replying of label, the object id information of label is decoded, with other related information transmission on the related label of object id information to main frame for processing.
Description of drawings
Fig. 1: expression RFID test macro block diagram;
Fig. 2: expression RFID method of testing flow process.
Summary of the invention
[016] in technical testing, need carry out the Performance And Reliability test respectively at the distinct device and the product of high frequency, ultrahigh frequency and microwave frequency band.By their read rates under conditions such as different medium, different materials, different magnetic field, friction speed, different distance, different obstacles are write down and put in order, study the performance of various labels and read write line, thereby obtain a complete comprehensive system general character basis report of accessment and test.In addition, also need to study the spatial and temporal distributions model and the anti-tampering Processing Algorithm of the signal under a plurality of readers and a plurality of label.
[017] in application testing, mainly need study, and attempt to find solution the key technical problem that exists in the practical application, comprise equipment and actual environment that the client uses; The different performance that different frequency range showed; The label amount of capacity is to the influence of professional and system; The selection of active tag, half active tag and passive label; The realization of system performance and professional advantage; Electromagnetic interference problem under the complex environment; Coexistence problems with existing bar code; And with enterprise's original system, carry out seamless link etc. as commercial application software such as ERP.
[018] needs standard is carried out in label test, read write line test, air interface uniformity test, testing protocol consistency, middleware test etc. in the test.
[019], tests the air interface protocol whether target to be measured meets a certain domestic or international standard (for example ISO18000 standard) definition for standard compliance test.Particular content comprises that read write line functional test (test of read write line modulation system, read write line demodulation mode and time of return test, read write line instruction testing) and label function test (comprise the test of label demodulation mode and time of return, the tag reactant time test, the label backscatter gauging, label returns an accuracy rate test, and label returns rate test etc.).
[020] for the interoperable property testing, the collaborative work ability of test Devices to test and other equipment.For example: read write line to be measured is to the literacy of other electronic tags, the read write attribute of electronic tag to be measured in the effective working distance scope of other read write lines, and read write line to be measured reads other read write lines and writes data of label or the like.Test can be divided into single read write line again to single label, and single read write line is to many labels, and many read write lines are to single label, and many read write lines are to different environment such as many labels.
[021] for the performance test particular content test of RFID label, rfid interrogator test and rfid system test are arranged.The test of RFID label comprises label read rate test under operating distance test, the test of label antenna directivity, the minimum work of label field strength measurement, the strength test of label return signal, antinoise test, frequency span test, the various environment, the test of label reading speed etc.; The rfid interrogator test comprises sensitivity test, emission spectrum test etc.; Rfid system test comprises electronic tag and read write line, the test different parameters (change label translational speed, adhere to material, quantity, environment, direction, service data is little and the spatial array scheme of many labels etc.) system communication distance, system communication speed.
[022] etc. information sends by the built-in transmitting antenna of electronic tag; System's receiving antenna receives the carrier signal of sending from radio electronic label, is sent to read write line through the antenna adjustments device, and read write line carries out the demodulation sign indicating number to the signal that receives, and delivers to the backstage main system then and carries out relevant treatment; Main system is judged the legitimacy of this electronic tag according to logical operation, makes corresponding processing and control at different settings, sends the action of command signal control executing mechanism.
[023] read write line produces induction current by the radiofrequency signal of emitting antenna transmission certain frequency when the RFID label enters the emitting antenna perform region, and the RFID label obtains energy and is activated; The RFID label sends information such as self coding by the built-in transmitting antenna of electronic tag; System's receiving antenna receives the carrier signal of sending from the RFID label, is sent to read write line through the antenna adjustments device, and read write line carries out the demodulation sign indicating number to the signal that receives, and delivers to the backstage main system then and carries out relevant treatment; Main system is judged the legitimacy of this electronic tag according to logical operation, makes corresponding processing and control at different settings, sends the action of command signal control executing mechanism.
[024] interact reliably between reader and the label require consistent with industry standard such as ISO 18000-6C type standard.This requirement has increased and has manyly exceeded the test of basic demand to satisfy the spectral emission requirement of government.The RF uniformity test is very crucial, helps to guarantee the reliable collaborative work between label and reader.
[025] pre-programmed is measured to reduce and is carried out these and test required Time Created.For example, the ISO18000-6C type important measurement is start-up time and shut-in time.The carrier energy rise time must be enough fast to guarantee that label collects the enough energy that makes its operate as normal.Signal also must reach steady state (SS) rapidly.When emission finished, carrier energy fall time must be enough fast, is interfered to prevent other emission.
[026] ISO 18000 is series of standards.This standard be at present up-to-date also be the most popular standard, reason is the supply chain that it can be used for commodity, among part of standards is wherein also forming.Wherein ISO 18000-6 has integrated that the product specification of some existing RFID manufacturers and tag architecture that EAN-super CC is proposed require and the standard drawn up.It has only stipulated radio interface protocol, and is unrestricted to data content and data structure, therefore can be used for EPC.In fact, if adopt ISO 18000-6 that the regulation of air interface is added that the coding structure of EPC system adds the ONS framework, just can constitute a complete supply chain standard.
[027] although by reference some preferred embodiment of the present invention, the present invention is illustrated and describes, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and the spirit and scope of the present invention that do not depart from appended claims and limited.
Claims (2)
1. a radio frequency identification RFID test method is characterized in that, may further comprise the steps,
Step 1, essential information typing read write line writes electronic tag to the essential information that needs the detected electrons RFID tags;
Step 2, digital signal generator produces a digital signal, produce the radiofrequency signal that meets the ISO international standard by radio frequency generation/identification circuit, after RFID chip to be tested is received this signal, under normal circumstances can produce a return signal, this moment, the identification division of emission of radio frequency signals/identification circuit was promptly caught this signal, and converted thereof into and be digital signal corresponding, compare by test macro and the expected value of preserving in advance, whether the communication function of differentiating chip realizes;
Step 3, testing apparatus, be used to receive the detection data items information of RFID chip to be measured, comprise physical characteristics detection, static properties detection, dynamic property detection and radio-frequency (RF) identification and electronic tag product application simulation testing field, and test result is transferred to main frame;
Electronic tag is made up of chip and coupling components and parts, has EEPROM to be used for store identification sign indicating number or other data on the chip, and label contains built-in aerial, is used to finish and the communicating by letter of read write line;
Main frame is used to control testing process, record and test data;
Rfid interrogator is used to control radio-frequency module and reads signal to the label emission, and receives replying of label, and the object id information of label is decoded, and other related information transmission on the related label of object id information is arrived main frame for processing.
2. radio frequency identification RFID test method according to claim 1 is characterized in that, described ISO international standard is an ISO 18000-6C industry standard.
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| CNA2008101133541A CN101592704A (en) | 2008-05-28 | 2008-05-28 | Radio frequency identification RFID test method |
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Cited By (29)
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| CN101846726A (en) * | 2010-04-27 | 2010-09-29 | 广州市广晟微电子有限公司 | Method, device and system for testing digital interface radio frequency chips |
| CN102162824A (en) * | 2010-12-24 | 2011-08-24 | 中科院杭州射频识别技术研发中心 | Online testing method for mass production of ultrahigh frequency (UHF) identification electronic tag antenna |
| CN102236069A (en) * | 2010-04-27 | 2011-11-09 | 中芯国际集成电路制造(上海)有限公司 | Test system and test method |
| CN102998557A (en) * | 2012-11-13 | 2013-03-27 | 北京速通科技有限公司 | Onboard unit in ETC (electronic toll collection) system, and system and method for testing onboard unit |
| CN103487676A (en) * | 2013-07-08 | 2014-01-01 | 重庆市城投金卡信息产业股份有限公司 | Method and device used for testing performance of RFID electronic tag |
| CN103679824A (en) * | 2012-09-14 | 2014-03-26 | 中兴通讯股份有限公司 | Electronic tag awakening sensitivity calibrating method and system |
| CN103838665A (en) * | 2012-11-27 | 2014-06-04 | 中兴通讯股份有限公司 | RFID automated testing system and method |
| CN103884979A (en) * | 2014-03-13 | 2014-06-25 | 江苏钜芯集成电路技术有限公司 | Batch test method of wireless two-in-one mouse end chips |
| CN104007381A (en) * | 2014-06-09 | 2014-08-27 | 王松豪 | Method for fast testing reference signals in radio frequency signal system |
| CN104077659A (en) * | 2014-07-01 | 2014-10-01 | 江苏物联网研究发展中心 | RFID test information representation method and management system |
| CN104091184A (en) * | 2014-06-16 | 2014-10-08 | 上海实甲智能***有限公司 | Electronic tag detection method and system |
| CN104125026A (en) * | 2014-08-04 | 2014-10-29 | 江苏物联网研究发展中心 | Ultrahigh-frequency RFID (radio frequency identification) label protocol conformance testing method |
| CN104125050A (en) * | 2014-08-04 | 2014-10-29 | 江苏物联网研究发展中心 | Ultrahigh-frequency RFID (radio frequency identification) reader protocol conformance testing method |
| CN104635067A (en) * | 2013-11-07 | 2015-05-20 | 北京自动测试技术研究所 | Radio frequency signal testing method |
| CN104923496A (en) * | 2015-05-05 | 2015-09-23 | 深圳嘉文虹科技有限公司 | Screening device used for screening RFID (Radio Frequency Identification) labels with written information |
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| CN111856242B (en) * | 2020-06-22 | 2021-09-07 | 深圳米飞泰克科技有限公司 | Detection method and device for sealed chip and electronic equipment |
| CN117910486A (en) * | 2024-03-20 | 2024-04-19 | 深圳市捷通科技有限公司 | Communication control method, system and storage medium based on RFID |
| CN117910486B (en) * | 2024-03-20 | 2024-06-04 | 深圳市捷通科技有限公司 | Communication control method, system and storage medium based on RFID |
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