CN107819532A - Active UHF RFID label tags read write line busy channel bandwidth test method - Google Patents
Active UHF RFID label tags read write line busy channel bandwidth test method Download PDFInfo
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- CN107819532A CN107819532A CN201711126403.0A CN201711126403A CN107819532A CN 107819532 A CN107819532 A CN 107819532A CN 201711126403 A CN201711126403 A CN 201711126403A CN 107819532 A CN107819532 A CN 107819532A
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- Prior art keywords
- tested
- testing
- signal analysis
- rfid label
- tag
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/0095—Testing the sensing arrangement, e.g. testing if a magnetic card reader, bar code reader, RFID interrogator or smart card reader functions properly
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
Abstract
The invention discloses a kind of method of testing of active UHF RFID label tags read write line busy channel bandwidth, comprise the following steps, the tag read-write equipment to be tested is sent select file order to the RFID label tag；It is installed on the rf signal analysis and the channel width that a predetermined power value of signal corresponding to the select file order takes is measured and recorded in one bandwidth.Present invention obtains following beneficial effect：The channel width taken when can launch active UHF RFID label tags read write line is effectively tested.
Description
Technical field
The present invention relates to radio frequency tag technology field, more particularly to a kind of active UHF RFID label tags read write line busy channel
The method of testing of bandwidth.
Background technology
REID is a kind of wireless, cordless the automatic identification skill risen nineteen nineties
Art, it is the frontier science and technology project to grow up in recent years.The technology mainly realizes nothing using radiofrequency signal by Space Coupling
Contact information transmission and pass through transmitted information and reach identifying purpose.The remarkable advantage of REID is non-contact
Property, therefore can realize identification automation without manual intervention during completion identification work and be hardly damaged；Recognizable high-speed motion
RF tag, can also identify multiple RF tags simultaneously, it is swift and convenient to operate；RF tag is not afraid of oil stain, dust pollution etc.
Adverse circumstances, and non-metallic object can be penetrated and be identified, strong antijamming capability.
In existing radio frequency tag technology, active UHF RFID (superfrequency RF tag) are widely used in Internet of Things
In, however, due to lacking test equipment and method of testing to active UHF RFID label tags and read write line at present so that various works
Make the skimble-scamble active UHF RFID label tags of index and read write line is mixed and used, cause Internet of Things or corresponding use environment
Job insecurity.
The content of the invention
For the above-mentioned problems in the prior art, a kind of active UHF RFID label tags read write line busy channel is now provided
The method of testing of bandwidth.
To achieve the above object, present invention employs following technical scheme：
A kind of method of testing of active UHF RFID label tags read write line busy channel bandwidth, wherein, there is provided a RFID label tag
And a rf signal analysis device, and a plurality of test cases are defined, it is further comprising the steps of：
Step 1, a test case is chosen；
Step 2, the rf signal analysis device parameter is set according to the test case of selection, believes the radio frequency
Number analytical equipment works in corresponding signal analysis pattern；
Step 3, the running parameter of a tag read-write equipment to be tested is set according to the test case of selection；
Step 4, the tag read-write equipment to be tested is made to send select file order to the RFID label tag；
Step 5, make the rf signal analysis device gather the tag read-write equipment to be tested with the RFID label tag to lead to
Radiofrequency signal during letter；
Step 6, it is installed on the rf signal analysis and the select file order is measured and recorded in one bandwidth
The channel width that one predetermined power value of corresponding signal takes；
Step 7, next test case is chosen, and repeating said steps 2 are to the step 6, until all tests are used
Example is completed.
Another aspect of the present invention, the rf signal analysis device are VSA.
Another aspect of the present invention, the working frequency of the tag read-write equipment to be tested for 2400.00MHz~
2483.50MHz。
Another aspect of the present invention, the operating frequency range of the tag read-write equipment to be tested are divided into 16 channels.
Another aspect of the present invention, also provides a host computer and a circulator, and the RFID label tag connects the circulator
First port, the rf signal analysis device connects the second port of the circulator, the tag read-write equipment to be tested
The 3rd port of the circulator is connected, the host computer signal connects the tag read-write equipment to be tested.
Another aspect of the present invention, the bandwidth are 10MHz.
Another aspect of the present invention, signal corresponding to select file order described in the rf signal analysis measurement device
The a width of 100KHz of spectral resolution band used during the channel width that one predetermined power value takes.
Another aspect of the present invention, the predetermined power value are 99% energy.
Another aspect of the present invention, before the step 1, file format, the power of the RFID label tag are initialized in advance
Limit and content.
Present invention obtains following beneficial effect：
The channel width taken when can launch active UHF RFID label tags read write line is effectively tested.
Brief description of the drawings
Fig. 1 is the test equipment attachment structure signal of the active UHF RFID label tags read write line busy channel bandwidth of the present invention
Figure；
Fig. 2 is the FB(flow block) of the method for testing of the active UHF RFID label tags read write line busy channel bandwidth of the present invention.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, but not as limiting to the invention.
The present invention provides a kind of method of testing of active UHF RFID label tags read write line busy channel bandwidth, as shown in Figure 1, Figure 2
It is shown, wherein, there is provided a RFID label tag 1 and a rf signal analysis device 2, and a plurality of test cases are defined, in addition to
Following steps：
Step 1, a test case is chosen；
Step 2, the parameter of rf signal analysis device 2 is set according to the test case of selection, makes the radio frequency
Signal analysis device 2 works in corresponding signal analysis pattern；
Step 3, the running parameter of a tag read-write equipment 3 to be tested is set according to the test case of selection；
Step 4, the tag read-write equipment to be tested 3 is made to send select file order to the RFID label tag 1；
Step 5, the rf signal analysis device 2 is made to gather the tag read-write equipment to be tested 3 and the RFID label tag 1
Radiofrequency signal in communication process；
Step 6, the rf signal analysis device 2 is made in being measured in a bandwidth and record the select file order
The channel width that one predetermined power value of corresponding signal takes；
Step 7, next test case is chosen, and repeating said steps 2 are to the step 6, until all tests are used
Example is completed.
Another aspect of the present invention, the rf signal analysis device 2 are VSA.
Another aspect of the present invention, the working frequency of the tag read-write equipment 3 to be tested for 2400.00MHz~
2483.50MHz。
Another aspect of the present invention, the operating frequency range of the tag read-write equipment to be tested are divided into 16 channels,
Specific channel frequency range is shown in Table 1.
| Channel designator | Center operating frequency | Channel designator | Center operating frequency |
| 0 | 2405.00MHz | 8 | 2445.00MHz |
| 1 | 2410.00MHz | 9 | 2450.00MHz |
| 2 | 2415.00MHz | 10 | 2455.00MHz |
| 3 | 2420.00MHz | 11 | 2460.00MHz |
| 4 | 2425.00MHz | 12 | 2465.00MHz |
| 5 | 2430.00MHz | 13 | 2470.00MHz |
| 6 | 2435.00MHz | 14 | 2475.00MHz |
| 7 | 2440.00MHz | 15 | 2480.00MHz |
Table 1
Another aspect of the present invention, also provides a host computer 4 and a circulator 5, and the RFID label tag 1 connects the annular
The first port of device 5, the rf signal analysis device 2 connect the second port of the circulator 5, and the label to be tested is read
The 3rd port that device 3 connects the circulator 5 is write, the host computer signal 4 connects the tag read-write equipment to be tested 3.On this
Position machine is to the work by instructing control tag read-write equipment to be tested, and the working condition of collection tag read-write equipment to be tested
Information.
Another aspect of the present invention, the bandwidth are 10MHz.
Another aspect of the present invention, the rf signal analysis device 2 measure signal corresponding to the select file order
A predetermined power value take channel width when a width of 100KHz of spectral resolution band that uses.
Another aspect of the present invention, the predetermined power value are 99% energy.
Another aspect of the present invention, before the step 1, file format, the power of the RFID label tag 5 are initialized in advance
Limit and content.The particular content of label to be tested is initialized, as shown in table 2.
Table 2
Hereinafter, the feasibility of the present invention is illustrated with specific embodiment.
Specifically, test label can be treated before testing begins to be initialized, so that select file order can obtain
Obtain expected response contents.
In step 1, test case is shown in Table 3.
Table 3
In above-mentioned test case, No. 0 channel in 16 channels is only selected, No. 8 channel and No. 15 channel are carried out
Test.The working frequency of tag read-write equipment to be tested signal according to corresponding to test case is configured also, label to be tested
The spreading rate of read write line is arranged to 2Mcps, and modulation system is arranged to O-QPSK modulation or DBPSK modulation.
In step 4, the form of select file order is shown in Table 4.
Table 4
In step 6, make rf signal analysis device 2 in the choosing for tag read-write equipment to be tested is measured in 1MHz bandwidth sending
Select the channel width that the energy of signal 99% corresponding to file command takes, busy channel when launching as tag read-write equipment to be tested
Bandwidth is recorded, and record format is shown in Table 5.
| Testing sequence | Channel designator | Center operating frequency | Seize ACK message bandwidth | Qualification determination |
| 1 | 0 | 2405.00MHz | ||
| 2 | 8 | 2445.00MHz | ||
| 3 | 15 | 2480.00MHz |
Table 5
Busy channel bandwidth is not more than 5MHz during such as tag read-write equipment to be tested transmitting, then test passes through, and otherwise test is lost
Lose.
Preferred embodiments of the present invention are the foregoing is only, not thereby limit embodiments of the present invention and protection model
Enclose, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Scheme obtained by equivalent substitution and obvious change, should be included in protection scope of the present invention.
Claims (9)
1. a kind of method of testing of active UHF RFID label tags read write line busy channel bandwidth a, it is characterised in that RFID is provided
Label and a rf signal analysis device, and a plurality of test cases are defined, it is further comprising the steps of：
Step 1, a test case is chosen；
Step 2, the rf signal analysis device parameter is set according to the test case of selection, makes the radiofrequency signal point
Analysis apparatus works in corresponding signal analysis pattern；
Step 3, the running parameter of a tag read-write equipment to be tested is set according to the test case of selection；
Step 4, the tag read-write equipment to be tested is made to send select file order to the RFID label tag；
Step 5, make the rf signal analysis device gather the tag read-write equipment to be tested to communicate with the RFID label tag
Radiofrequency signal in journey；
Step 6, make the rf signal analysis be installed on the interior measurement of a bandwidth and record the select file order to correspond to
Signal a predetermined power value take channel width；
Step 7, next test case is chosen, and repeating said steps 2 are to the step 6, until all test cases are surveyed
Examination finishes.
2. method of testing as claimed in claim 1, it is characterised in that the rf signal analysis device is Vector Signal Analysis
Instrument.
3. method of testing as claimed in claim 1, it is characterised in that the working frequency of the tag read-write equipment to be tested is
2400.00MHz~2483.50MHz.
4. method of testing as claimed in claim 3, it is characterised in that the operating frequency range of the tag read-write equipment to be tested
It is divided into 16 channels.
5. method of testing as claimed in claim 1 a, it is characterised in that host computer and a circulator, the RFID are also provided
Label connects the first port of the circulator, and the rf signal analysis device connects the second port of the circulator, institute
The 3rd port that tag read-write equipment to be tested connects the circulator is stated, the host computer signal connection label to be tested is read
Write device.
6. method of testing as claimed in claim 1, it is characterised in that the bandwidth is 10MHz.
7. method of testing as claimed in claim 1, it is characterised in that text is selected described in the rf signal analysis measurement device
The a width of 100KHz of spectral resolution band used during the channel width that one predetermined power value of signal corresponding to part order takes.
8. method of testing as claimed in claim 1, it is characterised in that the predetermined power value is 99% energy.
9. method of testing as claimed in claim 1, it is characterised in that before the step 1, initialize the RFID in advance
File format, authority and the content of label.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711126403.0A CN107819532A (en) | 2017-11-15 | 2017-11-15 | Active UHF RFID label tags read write line busy channel bandwidth test method |
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|---|---|---|---|
| CN201711126403.0A CN107819532A (en) | 2017-11-15 | 2017-11-15 | Active UHF RFID label tags read write line busy channel bandwidth test method |
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| CN103838665A (en) * | 2012-11-27 | 2014-06-04 | 中兴通讯股份有限公司 | RFID automated testing system and method |
| CN107220572A (en) * | 2017-06-27 | 2017-09-29 | 天津市滨海新区军民融合创新研究院 | The sensitivity of radio frequency reader and the method for testing of Packet Error Ratio, equipment and system |
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2017
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592704A (en) * | 2008-05-28 | 2009-12-02 | 北京中食新华科技有限公司 | Radio frequency identification RFID test method |
| CN101980252A (en) * | 2010-09-19 | 2011-02-23 | 中国科学院自动化研究所 | Response frequency benchmark test system and method for electronic tag in high-speed motion state |
| CN102539970A (en) * | 2012-01-04 | 2012-07-04 | 华北电网有限公司计量中心 | RFID (radio frequency identification) equipment testing 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 |
| CN103605941A (en) * | 2013-09-06 | 2014-02-26 | 珠海银邮光电技术发展股份有限公司 | System and method for testing reception sensitivity of UHF-band RFID radio frequency tag chip |
| CN107220572A (en) * | 2017-06-27 | 2017-09-29 | 天津市滨海新区军民融合创新研究院 | The sensitivity of radio frequency reader and the method for testing of Packet Error Ratio, equipment and system |
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