CN108023649A - The test method of active UHF RFID tags busy channel bandwidth - Google Patents
The test method of active UHF RFID tags busy channel bandwidth Download PDFInfo
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- CN108023649A CN108023649A CN201711126405.XA CN201711126405A CN108023649A CN 108023649 A CN108023649 A CN 108023649A CN 201711126405 A CN201711126405 A CN 201711126405A CN 108023649 A CN108023649 A CN 108023649A
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- 238000010998 test method Methods 0.000 title claims abstract description 18
- 230000004044 response Effects 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims description 31
- 230000003595 spectral effect Effects 0.000 claims description 4
- 230000006854 communication Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 7
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
- H04B17/0087—Monitoring; Testing using service channels; using auxiliary channels using auxiliary channels or channel simulators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/73—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for taking measurements, e.g. using sensing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The invention discloses a kind of test method of active UHF RFID tags busy channel bandwidth, including, label 5 to be tested is in ready state；The RFID tag reader 2 is set to send select file order to the label 5 to be tested；Receive the response signal of the label to be tested 5, in measured in a bandwidth and record the response signal a predetermined power value take channel width.Present invention obtains following beneficial effect：The channel width taken when can launch active UHF RFID tags 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 tags busy channel bandwidth
Test method.
Background technology
Radio Frequency Identification Technology is a kind of wireless, cordless the automatic identification skill risen nineteen nineties
Art, 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 is passed through transmitted information and reaches identifying purpose.The remarkable advantage of Radio Frequency Identification Technology 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 at the same time, 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 test method to active UHF RFID at present so that various working index disunities
Active UHF RFID be mixed use, 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 tags busy channel bandwidth is now provided
Test method.
To achieve the above object, present invention employs following technical solution：
A kind of test method of active UHF RFID tags busy channel bandwidth, wherein, there is provided a rf signal analysis fill
Put and a RFID tag reader, and define a plurality of test cases, it is further comprising the steps of：
Step 1, a test case is chosen；
Step 2, the RFID tag reader parameter is set according to the test case of selection；
Step 3, 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 4, label to be tested is made to be in ready state；
Step 5, the RFID tag reader is made to send select file order to the label to be tested；
Step 6, make the rf signal analysis device gather the RFID tag reader with the label to be tested to lead to
Radiofrequency signal during letter；
Step 7, the response signal of the label to be tested is received, is believed in being measured in a bandwidth and recording the response
Number a predetermined power value take channel width；
Step 8, next test case is chosen, and repeating said steps 2 are to the step 7, until all tests are used
Example is completed.
Another aspect of the present invention, the bandwidth are 10Mhz.
Another aspect of the present invention, the rf signal analysis device measure the predetermined power value of the response signal
Spectral resolution bandwidth during the channel width of occupancy is 100KHz.
Another aspect of the present invention, the predetermined power value are 99% energy.
Another aspect of the present invention, further includes a circulator and an anechoic chamber, and the RFID tag reader connects institute
The first port of circulator is stated, the rf signal analysis device connects the 3rd port of the circulator, the circulator
Second port connects the label to be tested, and the label to be tested is arranged in the anechoic chamber, the radiofrequency signal point
Analysis apparatus, the RFID tag reader and the circulator are arranged at outside the anechoic chamber,.
Another aspect of the present invention, the RFID tag reader connect the first port of the circulator by feeder line,
The rf signal analysis device connects the 3rd port of the circulator by feeder line, and the second port of the circulator passes through
Feeder line connects a label to be tested.
Another aspect of the present invention, the label to be tested provide a SMA interfaces, and the second port of the circulator passes through
Feeder line connects the SMA interfaces of the label to be tested.
Another aspect of the present invention, the working frequency of the RFID tag reader for 2400.00MHz~
2483.50MHz。
Another aspect of the present invention, the rf signal analysis device are Vector Signal Analyzer.
Present invention obtains following beneficial effect：
The channel width taken when can launch active UHF RFID tags is effectively tested.
Brief description of the drawings
Fig. 1 is the test equipment attachment structure schematic diagram of the active UHF RFID tags busy channel bandwidth of the present invention；
Fig. 2 is the FB(flow block) of the test method of the active UHF RFID tags 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 test method of active UHF RFID tags busy channel bandwidth, as shown in Figure 1 and Figure 2, its
In, there is provided a rf signal analysis device 1 and a RFID tag reader 2, and a plurality of test cases are defined, further include following
Step：
Step 1, a test case is chosen；
Step 2,2 parameter of RFID tag reader is set according to the test case of selection；
Step 3,1 parameter of rf signal analysis device is set according to the test case of selection, makes the radio frequency
Signal analysis device 1 works in corresponding signal analysis pattern；
Step 4, label 5 to be tested is made to be in ready state；
Step 5, the RFID tag reader 2 is made to send select file order to the label 5 to be tested；
Step 6, the rf signal analysis device 1 is made to gather the RFID tag reader 2 and the label 5 to be tested
Radiofrequency signal in communication process；
Step 7, the response signal of the label 5 to be tested is received, in being measured in a bandwidth and record the response
The channel width that one predetermined power value of signal takes；
Step 8, next test case is chosen, and repeating said steps 2 are to the step 7, until all tests are used
Example is completed.
Another aspect of the present invention, the bandwidth are 10Mhz.
Another aspect of the present invention, the rf signal analysis device 1 measure the predetermined power of the response signal
Spectral resolution bandwidth when being worth the channel width taken is 100KHz.
Another aspect of the present invention, the predetermined power value are 99% energy.
Another aspect of the present invention, further includes a circulator 3 and an anechoic chamber, 4, and the RFID tag reader 2 connects
The first port of the circulator 3, the rf signal analysis device 1 connect the 3rd port of the circulator 3, the annular
The second port of device 3 connects the label 5 to be tested, and the label 5 to be tested is arranged in the anechoic chamber, 4, described to penetrate
Frequency signal analysis device 1, the RFID tag reader 2 and the circulator 3 are arranged at outside the anechoic chamber, 4.
Another aspect of the present invention, the RFID tag reader 2 connect the first end of the circulator 3 by feeder line
Mouthful, the rf signal analysis device 1 connects the 3rd port of the circulator 3, the second end of the circulator 3 by feeder line
Mouth passes through feeder line and connects a label 5 to be tested.
Another aspect of the present invention, the label 5 to be tested provide a SMA (Sub-Miniature-A) interface, the ring
The second port of shape device 3 connects the SMA interfaces of the label to be tested 5 by feeder line.
Another aspect of the present invention, the working frequency of the RFID tag reader 2 for 2400.00MHz~
2483.50MHz。
Another aspect of the present invention, the rf signal analysis device 1 are Vector Signal Analyzer.
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.The particular content of label to be tested is initialized, as shown in table 1.
Table 1
In step 1, test case is shown in Table 2.
| 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 2
Above-mentioned test case is the working channel of RFID tag reader, and each test case selects one of channel
The working channel of RFID tag reader during as test.Above-mentioned test case can be tested according to channel number order,
It can randomly select and be tested.
In step 2, RFID tag reader parameter setting is shown in Table 3.
| Working frequency | Channel 0 is to channel 15 (according to current test case) |
| Transmission power | -20dBm |
| Modulation system | O-QPSK |
Table 3
In step 3, rf signal analysis device can use Vector Signal Analyzer.
In step 5, the form of select file order is shown in Table 4.
Table 4
In step 7, measured by Vector Signal Analyzer in 1MHz bandwidth and 99% energy of recording responses signal takes
Channel width, the channel width which takes when launching as label to be tested.Vector signal point
The spectral resolution bandwidth of analyzer may be configured as 100KHz.
The form of record test result is shown in Table 5.
Table 5
Channel width as taken during label to be tested transmitting is not more than 5MHz, then test passes through, otherwise test crash.
The foregoing is merely preferred embodiments of the present invention, 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
Equivalent substitution and obviously change obtained scheme, should be included in protection scope of the present invention.
Claims (9)
1. a kind of test method of active UHF RFID tags busy channel bandwidth a, it is characterised in that radiofrequency signal point is provided
Analysis apparatus and a RFID tag reader, 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 RFID tag reader parameter is set according to the test case of selection；
Step 3, 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 4, label to be tested is made to be in ready state；
Step 5, the RFID tag reader is made to send select file order to the label to be tested；
Step 6, the rf signal analysis device is made to gather the RFID tag reader and the label communication mistake to be tested
Radiofrequency signal in journey；
Step 7, the response signal of the label to be tested is received, in being measured in a bandwidth and record the response signal
The channel width that one predetermined power value takes；
Step 8, next test case is chosen, and repeating said steps 2 are to the step 7, until all test cases are surveyed
Examination finishes.
2. test method as claimed in claim 1, it is characterised in that the bandwidth is 10Mhz.
3. test method as claimed in claim 2, it is characterised in that the rf signal analysis device measurement response letter
Number the predetermined power value take channel width when spectral resolution bandwidth be 100KHz.
4. test method as claimed in claim 1, it is characterised in that the predetermined power value is 99% energy.
5. test method as claimed in claim 1, it is characterised in that a circulator and an anechoic chamber, are further included, it is described
RFID tag reader connects the first port of the circulator, and the rf signal analysis device connects the of the circulator
Three ports, the second port of the circulator connect the label to be tested, and it is dark that the label to be tested is arranged at the electric wave
Interior, the rf signal analysis device, the RFID tag reader and the circulator are arranged at outside the anechoic chamber,.
6. test method as claimed in claim 1, it is characterised in that described in the RFID tag reader is connected by feeder line
The first port of circulator, the rf signal analysis device connect the 3rd port of the circulator, the ring by feeder line
The second port of shape device connects a label to be tested by feeder line.
7. test method as claimed in claim 6, it is characterised in that the label to be tested provides a SMA interfaces, the ring
The second port of shape device connects the SMA interfaces of the label to be tested by feeder line.
8. test method as claimed in claim 1, it is characterised in that the working frequency of the RFID tag reader is
2400.00MHz~2483.50MHz.
9. test method as claimed in claim 1, it is characterised in that the rf signal analysis device is Vector Signal Analysis
Instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711126405.XA CN108023649A (en) | 2017-11-15 | 2017-11-15 | The test method of active UHF RFID tags busy channel bandwidth |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711126405.XA CN108023649A (en) | 2017-11-15 | 2017-11-15 | The test method of active UHF RFID tags busy channel bandwidth |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101093535A (en) * | 2007-07-12 | 2007-12-26 | 上海华申智能卡应用系统有限公司 | Method for testing whether there is responsion from passive UHF label or not |
| 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 |
| CN101750553A (en) * | 2008-12-10 | 2010-06-23 | 中国科学院自动化研究所 | Benchmark testing system and method for RFID label operating level |
| CN106199296A (en) * | 2016-09-08 | 2016-12-07 | 南京国睿安泰信科技股份有限公司 | A kind of RFID label tag Frequency Response device for quick testing and method |
| CN106295429A (en) * | 2016-07-22 | 2017-01-04 | 工业和信息化部电子工业标准化研究院 | Radio frequency identification equipment receiving sensitivity measurement apparatus and system |
-
2017
- 2017-11-15 CN CN201711126405.XA patent/CN108023649A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101093535A (en) * | 2007-07-12 | 2007-12-26 | 上海华申智能卡应用系统有限公司 | Method for testing whether there is responsion from passive UHF label or not |
| 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 |
| CN101750553A (en) * | 2008-12-10 | 2010-06-23 | 中国科学院自动化研究所 | Benchmark testing system and method for RFID label operating level |
| CN106295429A (en) * | 2016-07-22 | 2017-01-04 | 工业和信息化部电子工业标准化研究院 | Radio frequency identification equipment receiving sensitivity measurement apparatus and system |
| CN106199296A (en) * | 2016-09-08 | 2016-12-07 | 南京国睿安泰信科技股份有限公司 | A kind of RFID label tag Frequency Response device for quick testing and method |
Non-Patent Citations (1)
| Title |
|---|
| 王明磊等: "国标超高频射频识别产品符合性测试方法研究", 《电子技术应用》 * |
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Application publication date: 20180511 |