CN104901748B - UHF type RFID communications records analysis and RFID simulation realizing methods - Google Patents
UHF type RFID communications records analysis and RFID simulation realizing methods Download PDFInfo
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Abstract
The invention discloses a kind of analysis of the communications records of UHF type RFID and RFID simulation realizing methods, it is implemented based on communications records analysis system, the communications records analysis system includes communication interception analogue means, and communication interception analogue means includes antenna, application terminal transmission signal receiving module, RFID return signals receiving module, RFID analog signals transmitter module, CPU control modules, communication module and memory module；Communication interception analogue means controlled can be arranged to logging mode by CPU control modules, and the interaction data between UHF type RFID and RFID application terminals is intercepted；Communication interception analogue means controlled can be arranged to simulation model by CPU control modules, and functional simulation is carried out to UHF type RFID；Computer can dock the data received to analyzing and processing.The present invention can intercept interaction datas of the UHF type RFID in use between RFID application terminals, so as to record, store in real time and transmit data, and can simulate the function achieved by UHF type RFID.
Description
Technical field
The present invention relates to a kind of analysis of the communications records of UHF type RFID and RFID simulation realizing methods, belong to radio frequency identification
Technical field.
Background technology
RFID is Radio Frequency Identification (radio frequency identification), is a kind of contactless automatic knowledge
Other technology, by radiofrequency signal automatic identification destination object and related data can be obtained.UHF type RFID refers to that working frequency exists
860-960MHz UHF electronic identification label, due to the features such as its distance of reaction is remote, cost is low, is widely used in giving birth to
The fields such as production, logistics, communications and transportation, locating and tracking.In particular with the development of Internet of Things, RFID is in the production and living of people
More and more important effect is played.
The means of record analysis are carried out currently for RFID and application terminal interaction data, be mostly using spectrum analyzer,
The high-speed sampler such as nanoscope and field intensity meter detects antenna level signal or electromagnetic field signal.Remembered using these methods
Being analog level signal or electromagnetic field signal of record and nonnumerical information, and full detail can not be recorded when semaphore is larger.Cause
And, it is necessary to be directed to existing RFID application systems, design be capable of the devices of the record analysis order of reliable and stable ground and data with
System, to provide a kind of tool to develop and detecting RFID application systems.
Currently existing scheme is not directed to the UHF type RFID communication record for meeting EPC Class-1 Generation-2 agreements
Or simulated implementation.
The content of the invention
The technical problems to be solved by the invention are：A kind of UHF type RFID communications records analysis and RFID simulations is provided
Implementation method.
Solves above-mentioned technical problem, the technical solution adopted in the present invention is as follows：
The communications records analysis of UHF type RFID a kind of and RFID simulation realizing methods, the UHF type RFID are to meet EPC
The passive UHF type RFID of Class-1 Generation-2 agreements, its life that can be sent by RFID application terminals
Order and order data activation, send response and reply data, it is characterised in that：
Described communications records analysis and RFID simulation realizing methods are implemented based on communications records analysis system, communication note
Record analysis system includes communication interception analogue means, and communication interception analogue means includes antenna, application terminal transmission signal receives
Module, RFID return signals receiving module, CPU control modules and memory module；
The application terminal transmission signal receiving module by model MICRF300 ultra-high frequency signal amplifier IC5 and its
Peripheral circuit, model CXE_2089Z ultra-high frequency signal amplifier IC6 and its peripheral circuit, model LMV7235 superelevation
Frequency comparison apparatus IC8 and its peripheral circuit, model 74LVC2G14 Schmidt trigger IC7 and its peripheral circuit composition, it has
Body circuit forms：The maximum output swing of the ultra-high frequency signal amplifier IC6 is more than the ultra-high frequency signal amplifier IC5
Maximum output swing, the EN pins of the ultra-high frequency signal amplifier IC5 are the application terminal transmission signal receiving module
Enable Pin, the GND pin ground connection of the ultra-high frequency signal amplifier IC5, the RFIN of the ultra-high frequency signal amplifier IC5 draws
Pin is divided into two-way, is grounded all the way by electric capacity C22, and another way passes sequentially through electric capacity C21, inductance L2 and the day for connecting antenna
Line terminals ANT1 is grounded, and the antenna terminal ANT1 is the input of the application terminal transmission signal receiving module, described
Ultra-high frequency signal amplifier IC5 VCC pin connects 3.3V dc sources, and the GND pin of the ultra-high frequency signal amplifier IC5
The parallel circuit being made up of electric capacity C23 and electric capacity C25 is concatenated between VCC pin, the ultra-high frequency signal amplifier IC5's
RFOUT pins are divided into three tunnels, and the first via is grounded by electric capacity C24, and the second tunnel connects 3.3V dc sources, the 3rd tunnel by inductance L3
Pass sequentially through the input RFIN that electric capacity C26 connects the ultra-high frequency signal amplifier IC6 with inductance L4；The ultra-high frequency signal
Amplifier IC6 input RFIN is grounded by electric capacity C27, the ground terminal GND ground connection of the ultra-high frequency signal amplifier IC6, institute
RFOUT points of output end for stating ultra-high frequency signal amplifier IC6 is two-way, passes sequentially through electric capacity C30 and diode D5 ground connection all the way,
And the electric capacity C30 is connected with diode D5 negative electrode, another way connection inductance L5 one end, the other end point of the inductance L5
For two-way, 5V dc sources are connect all the way, and another way is grounded by the parallel circuit being made up of electric capacity C28 and electric capacity C29；Described two
Pole pipe D5 negative electrode connection diode D6 anode, the inverting input of the superelevation frequency comparison apparatus IC8 are divided into three tunnels, the first via
By resistance R21 connections diode D6 negative electrode, the second tunnel is grounded by electric capacity C32, and the 3rd tunnel passes sequentially through resistance R22
It is grounded with electric capacity C33, the in-phase input end of the superelevation frequency comparison apparatus IC8 is divided into two-way, all the way by described in resistance R24 connections
Resistance R22 and electric capacity C33 tie point, another way pass through resistance R25 connections superelevation frequency comparison apparatus IC8 output end, institute
The positive source for stating superelevation frequency comparison apparatus IC8 meets 5V dc sources, the power cathode ground connection of the superelevation frequency comparison apparatus IC8, institute
The output end for stating superelevation frequency comparison apparatus IC8 is divided into two-way, passes sequentially through resistance R23 and electric capacity C31 ground connection, and the resistance all the way
R23 and electric capacity C31 tie point connects 5V dc sources, and another way connects the 1A pins of the Schmidt trigger IC7；It is described to apply
Schmitt trigger IC7 GND pin ground connection, 2A pins and the 1Y pin short circuits of the Schmidt trigger IC7, the Schmidt
Trigger IC7 VCC pin connects 5V dc sources, and the 2Y pins of the Schmidt trigger IC7 are launched for the application terminal
The output end of signal receiving module；
The RFID return signals receiving module is by model MICRF300 ultra-high frequency signal amplifier IC9 and its periphery
Circuit, model CXE_2089Z ultra-high frequency signal amplifier IC10 and its peripheral circuit, model LMV7235 hyperfrequency
Comparator IC11 and its peripheral circuit, model 74LVC2G14 Schmidt trigger IC7 and its peripheral circuit composition, it has
Body circuit forms：The maximum output swing of the ultra-high frequency signal amplifier IC10 is more than the ultra-high frequency signal amplifier
IC9 maximum output swing, the EN pins of the ultra-high frequency signal amplifier IC9 are the RFID return signals receiving module
Enable Pin, the GND pin ground connection of the ultra-high frequency signal amplifier IC9, the RFIN pins of the ultra-high frequency signal amplifier IC9
It is divided into two-way, is grounded all the way by electric capacity C35, another way passes sequentially through electric capacity C34, inductance L6 and the antenna for connecting antenna
Terminal ANT2 is grounded, and the antenna terminal ANT2 is the input of the RFID return signals receiving module, the hyperfrequency
Signal amplifier IC9 VCC pin connects 3.3V dc sources, and the GND pin and VCC of the ultra-high frequency signal amplifier IC9
The parallel circuit being made up of electric capacity C36 and electric capacity C38 is concatenated between pin, the RFOUT of the ultra-high frequency signal amplifier IC9 draws
Pin is divided into three tunnels, and the first via is grounded by electric capacity C37, and the second tunnel connects 3.3V dc sources by inductance L7, and the 3rd tunnel leads to successively
Cross the input RFIN that electric capacity C39 connects the ultra-high frequency signal amplifier IC10 with inductance L8；The ultra-high frequency signal amplification
Device IC10 input RFIN is grounded by electric capacity C40, the ground terminal GND ground connection of the ultra-high frequency signal amplifier IC10, described
Ultra-high frequency signal amplifier IC10 RFOUT points of output end is two-way, passes sequentially through electric capacity C43 and diode D7 ground connection all the way,
And the electric capacity C43 is connected with diode D7 negative electrode, another way connection inductance L9 one end, the other end point of the inductance L9
For two-way, 5V dc sources are connect all the way, and another way is grounded by the parallel circuit being made up of electric capacity C41 and electric capacity C42；Described two
Pole pipe D7 negative electrode connection diode D8 anode, the inverting input of the superelevation frequency comparison apparatus IC11 are divided into three tunnels, and first
Road is grounded by resistance R26 connections diode D8 negative electrode, the second tunnel by electric capacity C44, and the 3rd tunnel passes sequentially through resistance
R27 and electric capacity C46 ground connection, the in-phase input end of the superelevation frequency comparison apparatus IC11 are divided into two-way, connected all the way by resistance R28
The resistance R27 and electric capacity C46 tie point, the output that another way passes through the resistance R30 connections superelevation frequency comparison apparatus IC11
End, the positive source of the superelevation frequency comparison apparatus IC11 connect 5V dc sources, the power cathode of the superelevation frequency comparison apparatus IC11
Ground connection, the output end of the superelevation frequency comparison apparatus IC11 are divided into two-way, pass sequentially through resistance R29 and electric capacity C45 ground connection all the way, and
The resistance R29 and electric capacity C45 tie point connects 5V dc sources, and the 1A that another way connects the Schmidt trigger IC12 draws
Pin；The GND pin ground connection of the Schmidt trigger IC12, the 2A pins and 1Y pins of the Schmidt trigger IC12 are short
Connect, the VCC pin of the Schmidt trigger IC12 connects 5V dc sources, and the 2Y pins of the Schmidt trigger IC12 are institute
State the output end of RFID return signal receiving modules；The CPU control modules controlled can be set communication interception analogue means
For logging mode, in record mode, the CPU control modules according to the following steps to UHF type RFID and RFID application terminals it
Between interaction data intercepted, including：
Step S1.1, CPU control module control the application terminal transmission signal receiving module to enable, to cause described answer
With terminal transmission signal receiving module by the antenna receive UHF type RFID application scenarios in ultra-high frequency wireless electric signal simultaneously
The ultra-high frequency wireless electric signal is converted into logical signal according to the agreement, the application terminal transmission signal receiving module receives
To ultra-high frequency wireless electric signal be order and order data that the RFID application terminals are sent；
Step S1.2, CPU control module receive the logical signal of the application terminal transmission signal receiving module output,
The RFID return signals receiving module is controlled to enable after reception, make it that it is described that the RFID return signals receiving module passes through
Antenna receives the ultra-high frequency wireless electric signal in UHF type RFID application scenarios and according to the agreement by the ultra-high frequency wireless telecommunications
Number logical signal is converted into, the ultra-high frequency wireless electric signal that the RFID return signal receiving modules receive is the UHF type
What RFID was sent corresponds to response and the reply data of the order and order data, and CPU control modules receive the RFID and returned
Return the logical signal of signal receiving module output；
The step S1.2 logical signals received are stored in the storage by step S1.3, CPU control module in pairs
In module, the response that is sent as the orders sent of UHF type RFID described in one group and order data and RFID application terminals and should
The data pair of answer evidence；
Step S1.4, CPU control module often records data pair described in one group, then repeating said steps S1.1 to step
S1.3。
As a modification of the present invention, described communication interception analogue means also includes RFID analog signals transmitting mould
Block, also, CPU control modules record has the order for meeting the agreement and order data and response and pair of reply data
Answer relation data；
Communication interception analogue means controlled can be arranged to simulation model by the CPU control modules, in analog mode,
The CPU control modules carry out functional simulation to UHF type RFID according to the following steps, including：
Step S2.1, CPU control module control the application terminal transmission signal receiving module to enable, to cause described answer
With terminal transmission signal receiving module by the antenna receive UHF type RFID application scenarios in ultra-high frequency wireless electric signal simultaneously
The ultra-high frequency wireless electric signal is converted into logical signal according to the agreement, the application terminal transmission signal receiving module receives
To ultra-high frequency wireless electric signal be order and order data that the RFID application terminals are sent；
Step S2.2, CPU control module receive the logical signal of the application terminal transmission signal receiving module output,
After reception response corresponding with the order received and order data and reply data are extracted according to the corresponding relation data；
The response extracted and reply data are exported and sent out to the RFID analog signals by step S2.3, CPU control module
Module is penetrated, the response and reply data are converted into by corresponding ultra-high frequency wireless electricity by the RFID analog signals transmitter module
Signal, and the ultra-high frequency wireless electric signal is transmitted to RFID application terminals by the antenna；
Step S2.4, CPU control module is often completed once to reply and answer number in the RFID analog signals transmitter module
According to ultra-high frequency wireless electric signal transmitting when, repeating said steps S2.1 to step S2.3.
As a modification of the present invention, the analysis of described communications records and RFID simulation realizing methods also include calculating
Machine, described communication interception analogue means also include communication module, and the CPU control modules are led to by communication module and computer
Letter connection；The computer can send to CPU control modules communication interception analogue means being arranged to logging mode and simulation
The control signal of pattern can simultaneously pass through the corresponding relation data of the order and order data and response and reply data
CPU control modules download to memory module, and the CPU control modules can be controlled the order and order data by computer
With the data of response and reply data to being sent to computer.
As a modification of the present invention, described computer according to the following steps to the order received and order data and
The data of response and reply data to analyzing and processing, including：
Step S3, to the data that receive to being judged one by one, i.e.,：Judge an order and order data and response and
The data of reply data are then gone in next step, such as otherwise in this way to whether meeting EPC Class-1 Generation-2 agreements
To the data to being indicated in case human-edited, and to next command and order data and response and the number of reply data
According to judging；
Step S4, the data pair to meeting EPC Class-1 Generation-2 agreements, according to EPC Class-1
Data in Generation-2 protocal analysis UHF types RFID.
As a modification of the present invention, described computer is to the order received and order data and response and response
The step of data of data are to analyzing and processing, in addition to：
Step S5, the data pair to meeting EPC Class-1 Generation-2 agreements, according to EPC Class-1
Password in Generation-2 protocal analysis UHF types RFID.
As a modification of the present invention, in described step S3, judge an order and order data and response and answer
The data of answer evidence to whether meet EPC Class-1 Generation-2 agreements the step of include：
Step S3.1, verify the data centering order and order data CRC byte it is whether correct, verify this number
Whether correct whether belong to command set, the order for verifying the data centering and order data byte length according to the order of centering,
Step 3.2 is gone to if all correct, otherwise judges the data to not meeting EPC Class-1 Generation-2 agreements；
Step S3.2, verify the data centering response and reply data CRC byte it is whether correct, verify this number
According to the response and reply data of centering with ordering response that is whether corresponding, verifying the data centering and reply data byte long
Degree it is whether correct, as all correctly if judge that the data to meeting EPC Class-1 Generation-2 agreements, otherwise judges
The data is not to meeting EPC Class-1 Generation-2 agreements.
As one embodiment of the present invention, the application terminal transmission signal receiving module, RFID return signals connect
Receive module and RFID analog signal transmitter modules are respectively equipped with an independent antenna, or, application terminal transmission signal receives
Module, RFID return signals receiving module and RFID analog signals transmitter module share an antenna.
As one embodiment of the present invention, between the communication module and computer with netting twine, optical cable, infrared ray,
Any one mode is communicated in bluetooth, WiFi and Zigbee.
As one embodiment of the present invention, communication interception analogue means is supplied using active or passive electric source modes
Electricity.
As one embodiment of the present invention, described computer is appointing in computer, handheld terminal and palm PC
Meaning is a kind of.
Wherein, above-mentioned communication interception analogue means can be by the country variant UHF type RFID corresponding ginseng of band limits adjustment
Number.Above-mentioned communication interception analogue means can set the Transmission power of RFID analog signal transmitter modules.
Compared with prior art, the invention has the advantages that：
The present invention can intercept UHF type RFID and using by controlling communication interception analogue means to enter logging mode
Interaction data in journey between RFID application terminals, so as to record, store in real time and transmit data；
The present invention can be simulated achieved by UHF type RFID by controlling communication interception analogue means to enter simulation model
Function；
The present invention can carry out data analysis, modification, editor and download by computer software, be allowed to according to setting
Information answer application terminal, simulation UHF type RFID are operated；
So as to which the present invention easily can be debugged and tested the security of RFID system to RFID system.
Brief description of the drawings
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
Fig. 1 is the schematic block circuit diagram of communications records analysis system in the present invention；
Fig. 2-1 is the circuit theory diagrams of CPU control modules in the present invention；
Fig. 2-2 is the circuit theory diagrams of communication module in the present invention；
Fig. 2-3 is the circuit theory diagrams of power supply in the present invention；
Fig. 2-4 is the circuit theory diagrams of memory module in the present invention；
Fig. 3-1 is the circuit theory diagrams of application terminal transmission signal receiving module in the present invention；
Fig. 3-2 is the circuit theory diagrams of RFID return signal receiving modules in the present invention；
Fig. 4 is the circuit theory diagrams of RFID analog signal transmitter modules in the present invention；
Fig. 5 is one of FB(flow block) of communications records analysis of the invention and RFID simulation realizing methods；
Fig. 6 is the general function schematic diagram of the data processing software of Computer of the present invention；
Fig. 7 be the present invention communications records analysis and RFID simulation realizing methods FB(flow block) two.
Embodiment
The UHF type RFID of present invention communications records analysis and RFID simulation realizing methods, system is analyzed based on communications records
System is implemented, wherein, UHF type RFID refers to meet the passive UHF type RFID of EPC Class-1 Generation-2 agreements electricity
Subtab, it can send response and reply data by the order and order data activation that RFID application terminals are sent.
Referring to Fig. 1, above-mentioned communications records analysis system includes communication interception analogue means and computer；Wherein, communication is detectd
Analogue means is listened to include antenna, application terminal transmission signal receiving module, RFID return signals receiving module, RFID analog signals
Transmitter module, CPU control modules, memory module and communication module, CPU control modules pass through communication module and computer communication link
Connect.
It not is to carry out simultaneously due to launching and receiving, above-mentioned application terminal transmission signal receiving module, RFID are returned
Signal receiving module and RFID analog signal transmitter modules are respectively equipped with an independent antenna, or, application terminal transmitting letter
Number receiving module, RFID return signals receiving module and RFID analog signals transmitter module share an antenna.
Above-mentioned communication interception analogue means can use active or passive electric source modes to power.Above-mentioned RFID analog signals hair
Corresponding parameter can be adjusted by country variant UHF type RFID band limits by penetrating module, and can set different Transmission powers.
Entered between above-mentioned communication module and computer in a manner of any one in netting twine, optical cable, infrared ray, bluetooth, WiFi and Zigbee
Row communication.
Above computer refers to the computer for being provided with exclusive data processing software (referring to Fig. 6), can be to communication interception mould
The data for intending recording in device are uploaded, are analyzed, are changed, edited and downloaded, and it includes but is not limited to personal computer, may be used also
To be other microprocessor systems, the hand-held record analysis analog system device of integration can be so fabricated to, such as can
With from any one realization in computer, handheld terminal and palm PC.
The physical circuit that the communication interception analogue means of the present invention is specifically described below is formed：
As shown in Fig. 2-1 to Fig. 2-4, power module, CPU control modules, memory module and communication module are included.For convenience
Implement, the present embodiment is powered using external power supply mode.In practical application, it can also be taken by battery powered, Electromagnetic Fields of Antenna
The modes such as electricity are powered.IC1 is CPU control module master chips, using Cortex-M3 kernel STM32 family chips, internal work frequency
Rate reaches 72MHz, being capable of quick response carrier signal；IC4 reaches 1Mbit as memory module, memory space, to store order and
Data；IC1 has been internally integrated the functions such as UART and USB, and connection U1, JB1 make serial interface, and connection J2 makees USB interface, and composition is logical
Module is believed, to carry out serial ports or usb communication with computer.
As shown in Fig. 3-1 and Fig. 3-2, including application terminal transmission signal receiving module and RFID return signals receive mould
Block.Two module principles are identical.IC5 and IC9 is the ultra-high frequency signal amplifier of the enabled control of band；IC6 and IC10 is also superelevation
Frequency signal amplifier, its maximum output swing are more than IC5；IC8 and IC511 is superelevation frequency comparison apparatus.Below with whole including application
Transmission signal receiving module is held to illustrate the course of work.CPU control modules control whether to receive letter by controlling IC5 Enable Pins
Number.When IC5 is enabled, the signal of the application terminal transmitting that ANT1 is received carries out two-stage amplification through IC5, IC6, then through C30, D5,
D6 multiplication of voltage rectified signals deliver to IC8, IC8 and peripheral components composition hysteresis comparator, then enter through the double anti-phase Schmidt triggers of IC7
Row shaping, CPU is sent to after obtaining comparatively ideal logical signal.CPU control modules will according to agreement to logical signal at
Reason, send memory module to preserve obtained order and data if the present apparatus has been configured to logging mode；As the present apparatus by
It is arranged to simulation model and then provides corresponding response and data send RFID analog signal transmitter modules according to order and data.
The signal processing and said process of RFID return signal receiving modules are essentially identical.
As shown in figure 4, be RFID analog signal transmitter modules, IC13 is ultra-high frequency signal transmitter, IC14~IC18 groups
Into a hardware timer, timing is calculated by CPU according to set frequency range.When device is in simulation mould
Formula, when needing to launch RFID responses and data-signal, CPU will enable IC13, and according to timing by controlling T1 real
Now to the amplitude modulation(PAM) of ultra-high frequency signal；Ultra-high frequency signal is externally launched by ANT3.
In the present embodiment, Y3 selects 14.4M quartz crystal, and IC13 CLK is 14.4M 4 frequency dividings, available for synchronous fixed
When；IC13 ultra-high frequency signal is 14.4M 64 frequencys multiplication (921.6M), can be used as hyperfrequency fundamental wave source just.For different
VHF frequency requirement, only need to switch or change Y3.
Because RFID application terminals are when with RFID communication, either application terminal firing order data to RFID still
RFID returns response data to application terminal, all necessarily by electromagnetic wave come transmission information, therefore the communication interception mould of the present invention
Corresponding communication data can be intercepted and record according to EPC Class-1 Generation-2 agreements by intending device, then be passed through
Netting twine, optical cable, infrared ray, bluetooth, the communication network of WiFi or Zigbee modes upload computer, and specific method is as follows.
As shown in figure 5, communication interception analogue means controlled can be arranged to record mould by the CPU control modules of the present invention
Formula, in record mode, CPU control modules are according to the following steps to the interaction data between UHF type RFID and RFID application terminals
Intercepted, including：
Step S1.1, CPU control module control the application terminal transmission signal receiving module to enable, to cause described answer
With terminal transmission signal receiving module by the antenna receive UHF type RFID application scenarios in ultra-high frequency wireless electric signal simultaneously
The ultra-high frequency wireless electric signal is converted into logical signal according to the agreement, the application terminal transmission signal receiving module receives
To ultra-high frequency wireless electric signal be order and order data that the RFID application terminals are sent；
Step S1.2, CPU control module receive the logical signal of the application terminal transmission signal receiving module output,
The RFID return signals receiving module is controlled to enable after reception, make it that it is described that the RFID return signals receiving module passes through
Antenna receives the ultra-high frequency wireless electric signal in UHF type RFID application scenarios and according to the agreement by the ultra-high frequency wireless telecommunications
Number logical signal is converted into, the ultra-high frequency wireless electric signal that the RFID return signal receiving modules receive is the UHF type
What RFID was sent corresponds to response and the reply data of the order and order data, and CPU control modules receive RFID and return to letter
The logical signal of number receiving module output；
The step S1.2 logical signals received are stored in the storage by step S1.3, CPU control module in pairs
In module, the response that is sent as the orders sent of UHF type RFID described in one group and order data and RFID application terminals and should
The data pair of answer evidence；
Step S1.4, CPU control module often records data pair described in one group, then repeating said steps S1.1 to step
S1.3。
Above-mentioned steps realize the record analysis function of the communication interception analogue means of the present invention, can indicate that and are received
Application terminal and RFID ultra-high frequency wireless electromagnetic wave intensity.
As shown in figure 5, communication interception analogue means controlled can be arranged to simulate mould by the CPU control modules of the present invention
Formula, in analog mode, CPU control modules carry out functional simulation to UHF type RFID according to the following steps, including：
Step S2.1, CPU control module control the application terminal transmission signal receiving module to enable, to cause described answer
With terminal transmission signal receiving module by the antenna receive UHF type RFID application scenarios in ultra-high frequency wireless electric signal simultaneously
The ultra-high frequency wireless electric signal is converted into logical signal according to the agreement, the application terminal transmission signal receiving module receives
To ultra-high frequency wireless electric signal be order and order data that the RFID application terminals are sent；
Step S2.2, CPU control module receive the logical signal of the application terminal transmission signal receiving module output,
After reception response corresponding with the order received and order data and reply data are extracted according to the corresponding relation data；
The response extracted and reply data are exported and sent out to the RFID analog signals by step S2.3, CPU control module
Module is penetrated, the response and reply data are converted into by corresponding ultra-high frequency wireless electricity by the RFID analog signals transmitter module
Signal, and the ultra-high frequency wireless electric signal is transmitted to RFID application terminals by the antenna；
Step S2.4, CPU control module is often completed once to reply and answer number in the RFID analog signals transmitter module
According to ultra-high frequency wireless electric signal transmitting when, repeating said steps S2.1 to step S2.3.
The present invention computer can be sent to CPU control modules by communication interception analogue means be arranged to logging mode and
The control signal of simulation model will can simultaneously order and the corresponding relation data of order data and response and reply data passes through
CPU control modules download to memory module, CPU control modules can be controlled by computer will order and order data and response and
The data of reply data are to being sent to computer.Above-mentioned communication interception analogue means in real time or will can be remembered afterwards as requested
The data of record send computer to through communication module.
As shown in fig. 6, the exclusive data installed by computer handles the general function figure of software.Communication interception can be simulated
Data in device are uploaded, are analyzed, are changed, edited and downloaded, and the mode of operation of communication interception analogue means can be entered
Row is set.By software, we in real time or afterwards can upload the data in communication interception analogue means, to the life intercepted and captured
Make, response and data analysis, order, response and data can be edited as required, change, preserve, and can be with
It is downloaded to communication interception analogue means.Various orders, response, password, data (containing EPC and TID) particularly can be arbitrarily set,
Brought convenience for system testing.
As shown in fig. 7, computer of the present invention is according to the following steps to the order received and order data and response and response
The data of data to analyzing and processing, including：
Step S3, to the data that receive to being judged one by one, i.e.,：Judge an order and order data and response and
The data of reply data are then gone in next step, such as otherwise in this way to whether meeting EPC Class-1 Generation-2 agreements
To the data to being indicated in case human-edited, and to next command and order data and response and the number of reply data
According to judging；In human-edited's function, edit-modify can be carried out to all orders, data and UID, and can be following
It is loaded onto communication interception analogue means.
Wherein, judge an order and order data and the data of response and reply data to whether meeting EPC Class-
The step of 1 Generation-2 agreements, includes：
Step S3.1, verify the data centering order and order data CRC byte it is whether correct, verify this number
Whether correct whether belong to command set, the order for verifying the data centering and order data byte length according to the order of centering,
Step 3.2 is gone to if all correct, otherwise judges the data to not meeting EPC Class-1 Generation-2 agreements；
Step S3.2, verify the data centering response and reply data CRC byte it is whether correct, verify this number
According to the response and reply data of centering with ordering response that is whether corresponding, verifying the data centering and reply data byte long
Degree it is whether correct, as all correctly if judge that the data to meeting EPC Class-1 Generation-2 agreements, otherwise judges
The data is not to meeting EPC Class-1 Generation-2 agreements.
Step S4, the data pair to meeting EPC Class-1 Generation-2 agreements, according to EPC Class-1
Data in Generation-2 protocal analysis UHF types RFID.
Step S5, the data pair to meeting EPC Class-1 Generation-2 agreements, according to EPC Class-1
Password in Generation-2 protocal analysis UHF types RFID.
The present invention do not limit to above-mentioned embodiment, according to the above, according to the ordinary technical knowledge of this area
And customary means, under the premise of the above-mentioned basic fundamental thought of the present invention is not departed from, the present invention can also make other diversified forms
Equivalent modifications, replacement or change, all fall among protection scope of the present invention.
Claims (10)
1. the communications records analysis of UHF type RFID a kind of and RFID simulation realizing methods, the UHF type RFID is to meet EPC
The passive UHF type RFID of Class-1 Generation-2 agreements, it can respond what RFID application terminals were sent
Order and order data, send response and reply data, it is characterised in that：
Described communications records analysis method is implemented based on communications records analysis system, and the communications records analysis system includes communication
Analogue means is intercepted, communication interception analogue means includes antenna, application terminal transmission signal receiving module, RFID return signals and connect
Receive module, CPU control modules and memory module；
The application terminal transmission signal receiving module is by model MICRF300 ultra-high frequency signal amplifier IC5 and its periphery
The hyperfrequency ratio of circuit, model CXE_2089Z ultra-high frequency signal amplifier IC6 and its peripheral circuit, model LMV7235
Compared with device IC8 and its peripheral circuit, model 74LVC2G14 Schmidt trigger IC7 and its peripheral circuit composition, its specific electricity
Road forms：The maximum output swing of the ultra-high frequency signal amplifier IC6 is more than the ultra-high frequency signal amplifier IC5 most
Big output amplitude, the EN pins of the ultra-high frequency signal amplifier IC5 make for the application terminal transmission signal receiving module
Energy end, the GND pin ground connection of the ultra-high frequency signal amplifier IC5, the RFIN pins point of the ultra-high frequency signal amplifier IC5
For two-way, it is grounded all the way by electric capacity C22, another way passes sequentially through electric capacity C21, inductance L2 and the antenna end for connecting antenna
Sub- ANT1 ground connection, the antenna terminal ANT1 are the input of the application terminal transmission signal receiving module, the superelevation
Frequency signal amplifier IC5 VCC pin connects 3.3V dc sources, and the GND pin of the ultra-high frequency signal amplifier IC5 with
The parallel circuit being made up of electric capacity C23 and electric capacity C25 is concatenated between VCC pin, the ultra-high frequency signal amplifier IC5's
RFOUT pins are divided into three tunnels, and the first via is grounded by electric capacity C24, and the second tunnel connects 3.3V dc sources, the 3rd tunnel by inductance L3
Pass sequentially through the input RFIN that electric capacity C26 connects the ultra-high frequency signal amplifier IC6 with inductance L4；The ultra-high frequency signal
Amplifier IC6 input RFIN is grounded by electric capacity C27, the ground terminal GND ground connection of the ultra-high frequency signal amplifier IC6, institute
RFOUT points of output end for stating ultra-high frequency signal amplifier IC6 is two-way, passes sequentially through electric capacity C30 and diode D5 ground connection all the way,
And the electric capacity C30 is connected with diode D5 negative electrode, another way connection inductance L5 one end, the other end point of the inductance L5
For two-way, 5V dc sources are connect all the way, and another way is grounded by the parallel circuit being made up of electric capacity C28 and electric capacity C29；Described two
Pole pipe D5 negative electrode connection diode D6 anode, the inverting input of the superelevation frequency comparison apparatus IC8 are divided into three tunnels, the first via
By resistance R21 connections diode D6 negative electrode, the second tunnel is grounded by electric capacity C32, and the 3rd tunnel passes sequentially through resistance R22
It is grounded with electric capacity C33, the in-phase input end of the superelevation frequency comparison apparatus IC8 is divided into two-way, all the way by described in resistance R24 connections
Resistance R22 and electric capacity C33 tie point, another way pass through resistance R25 connections superelevation frequency comparison apparatus IC8 output end, institute
The positive source for stating superelevation frequency comparison apparatus IC8 meets 5V dc sources, the power cathode ground connection of the superelevation frequency comparison apparatus IC8, institute
The output end for stating superelevation frequency comparison apparatus IC8 is divided into two-way, passes sequentially through resistance R23 and electric capacity C31 ground connection, and the resistance all the way
R23 and electric capacity C31 tie point connects 5V dc sources, and another way connects the 1A pins of the Schmidt trigger IC7；It is described to apply
Schmitt trigger IC7 GND pin ground connection, 2A pins and the 1Y pin short circuits of the Schmidt trigger IC7, the Schmidt
Trigger IC7 VCC pin connects 5V dc sources, and the 2Y pins of the Schmidt trigger IC7 are launched for the application terminal
The output end of signal receiving module；
The RFID return signals receiving module is electric by model MICRF300 ultra-high frequency signal amplifier IC9 and its periphery
The hyperfrequency ratio of road, model CXE_2089Z ultra-high frequency signal amplifier IC10 and its peripheral circuit, model LMV7235
Compared with device IC11 and its peripheral circuit, model 74LVC2G14 Schmidt trigger IC7 and its peripheral circuit composition, its is specific
Circuit forms：The maximum output swing of the ultra-high frequency signal amplifier IC10 is more than the ultra-high frequency signal amplifier IC9
Maximum output swing, the EN pins of the ultra-high frequency signal amplifier IC9 make for the RFID return signals receiving module
Energy end, the GND pin ground connection of the ultra-high frequency signal amplifier IC9, the RFIN pins point of the ultra-high frequency signal amplifier IC9
For two-way, it is grounded all the way by electric capacity C35, another way passes sequentially through electric capacity C34, inductance L6 and the antenna end for connecting antenna
Sub- ANT2 ground connection, the antenna terminal ANT2 is the input of the RFID return signals receiving module, the hyperfrequency letter
Number amplifier IC9 VCC pin connects 3.3V dc sources, and the GND pin of the ultra-high frequency signal amplifier IC9 draws with VCC
The parallel circuit being made up of electric capacity C36 and electric capacity C38, the RFOUT pins of the ultra-high frequency signal amplifier IC9 are concatenated between pin
It is divided into three tunnels, the first via is grounded by electric capacity C37, and the second tunnel connects 3.3V dc sources by inductance L7, and the 3rd tunnel passes sequentially through
Electric capacity C39 connects the input RFIN of the ultra-high frequency signal amplifier IC10 with inductance L8；The ultra-high frequency signal amplifier
IC10 input RFIN is grounded by electric capacity C40, the ground terminal GND ground connection of the ultra-high frequency signal amplifier IC10, described super
High-frequency signal amplifier IC10 RFOUT points of output end is two-way, passes sequentially through electric capacity C43 and diode D7 ground connection all the way, and
The electric capacity C43 is connected with diode D7 negative electrode, and another way connection inductance L9 one end, the other end of the inductance L9 is divided into
Two-way, connects 5V dc sources all the way, and another way is grounded by the parallel circuit being made up of electric capacity C41 and electric capacity C42；Two pole
Pipe D7 negative electrode connection diode D8 anode, the inverting input of the superelevation frequency comparison apparatus IC11 are divided into three tunnels, the first via
By resistance R26 connections diode D8 negative electrode, the second tunnel is grounded by electric capacity C44, and the 3rd tunnel passes sequentially through resistance R27
It is grounded with electric capacity C46, the in-phase input end of the superelevation frequency comparison apparatus IC11 is divided into two-way, passes through resistance R28 connections institute all the way
State resistance R27 and electric capacity C46 tie point, another way by resistance R30 connections superelevation frequency comparison apparatus IC11 output end,
The positive source of the superelevation frequency comparison apparatus IC11 connects 5V dc sources, and the power cathode of the superelevation frequency comparison apparatus IC11 connects
Ground, the output end of the superelevation frequency comparison apparatus IC11 are divided into two-way, pass sequentially through resistance R29 and electric capacity C45 ground connection, and institute all the way
The tie point for stating resistance R29 and electric capacity C45 connects 5V dc sources, and the 1A that another way connects the Schmidt trigger IC12 draws
Pin；The GND pin ground connection of the Schmidt trigger IC12, the 2A pins and 1Y pins of the Schmidt trigger IC12 are short
Connect, the VCC pin of the Schmidt trigger IC12 connects 5V dc sources, and the 2Y pins of the Schmidt trigger IC12 are institute
State the output end of RFID return signal receiving modules；
Communication interception analogue means controlled can be arranged to logging mode by the CPU control modules, in record mode, described
CPU control modules are intercepted to the interaction data between UHF type RFID and RFID application terminals according to the following steps, including：
Step S1.1, CPU control module control the application terminal transmission signal receiving module to enable, to cause the application eventually
Hold transmission signal receiving module by the antenna receive UHF type RFID application scenarios in ultra-high frequency wireless electric signal and according to
The ultra-high frequency wireless electric signal is converted into logical signal by the agreement, what the application terminal transmission signal receiving module received
Ultra-high frequency wireless electric signal is the order and order data that the RFID application terminals are sent；
Step S1.2, CPU control module receive the logical signal of the application terminal transmission signal receiving module output, are receiving
After control the RFID return signals receiving module to enable, to cause the RFID return signals receiving module to pass through the antenna
Receive the ultra-high frequency wireless electric signal in UHF type RFID application scenarios and turn the ultra-high frequency wireless electric signal according to the agreement
Change logical signal into, the ultra-high frequency wireless electric signal that the RFID return signal receiving modules receive is the UHF type RFID
What is sent corresponds to response and the reply data of the order and order data, and CPU control modules receive the RFID and return to letter
The logical signal of number receiving module output；
The step S1.2 logical signals received are stored in the memory module by step S1.3, CPU control module in pairs
In, the response sent as the orders sent of UHF type RFID described in one group and order data and RFID application terminals and answer number
According to data pair；
Step S1.4, CPU control module often records data pair described in one group, then repeating said steps S1.1 to step S1.3.
2. communications records analysis according to claim 1 and RFID simulation realizing methods, it is characterised in that：Described communication
Intercepting analogue means also includes RFID analog signal transmitter modules, also, the CPU control modules are preserved and meet the agreement
Order and the corresponding relation data of order data and response and reply data；
Communication interception analogue means controlled can be arranged to simulation model by the CPU control modules, in analog mode, described
CPU control modules carry out functional simulation to UHF type RFID according to the following steps, including：
Step S2.1, CPU control module control the application terminal transmission signal receiving module to enable, to cause the application eventually
Hold transmission signal receiving module by the antenna receive UHF type RFID application scenarios in ultra-high frequency wireless electric signal and according to
The ultra-high frequency wireless electric signal is converted into logical signal by the agreement, what the application terminal transmission signal receiving module received
Ultra-high frequency wireless electric signal is the order and order data that the RFID application terminals are sent；
Step S2.2, CPU control module receive the logical signal of the application terminal transmission signal receiving module output, are receiving
Afterwards response corresponding with the order received and order data and reply data are extracted according to the corresponding relation data；
Step S2.3, CPU control module exports the response extracted and reply data launches mould to the RFID analog signals
Block, the response and reply data are converted into by corresponding ultra-high frequency wireless telecommunications by the RFID analog signals transmitter module
Number, and the ultra-high frequency wireless electric signal is transmitted to RFID application terminals by the antenna；
Step S2.4, CPU control module often completes once to reply in the RFID analog signals transmitter module and reply data surpasses
During the transmitting of high frequency radio signal, repeating said steps S2.1 to step S2.3.
3. communications records analysis according to claim 2 and RFID simulation realizing methods, it is characterised in that：Described communication
Record analysis system also includes computer, and described communication interception analogue means also includes communication module, the CPU control modules
Communicated to connect by communication module and computer；The computer can send to simulate communication interception to CPU control modules and fill
Install the control signal that is set to logging mode and simulation model and can be by the order and order data and response and answer number
According to corresponding relation data memory module is downloaded to by CPU control modules, the CPU control modules can be controlled by computer
By the order and order data and the data of response and reply data to being sent to computer.
4. communications records analysis according to claim 3 and RFID simulation realizing methods, it is characterised in that：Described calculating
Machine wraps according to the following steps to the data of the order received and order data and response and reply data to analyzing and processing
Include：
Step S3, to the data that receive to being judged one by one, i.e.,：Judge an order and order data and response and response
The data of data are then gone in next step, such as otherwise to this in this way to whether meeting EPC Class-1 Generation-2 agreements
Data is to being indicated in case human-edited, and to next command and order data and response and the data pair of reply data
Judged；
Step S4, the data pair to meeting EPC Class-1 Generation-2 agreements, according to EPC Class-1
Data in Generation-2 protocal analysis UHF types RFID.
5. communications records analysis according to claim 4 and RFID simulation realizing methods, it is characterised in that：Described calculating
Machine to the data of the order received and order data and response and reply data to analyzing and processing the step of, in addition to：
Step S5, the data pair to meeting EPC Class-1 Generation-2 agreements, according to EPC Class-1
Password in Generation-2 protocal analysis UHF types RFID.
6. communications records analysis according to claim 4 and RFID simulation realizing methods, it is characterised in that：Described step
In S3, judge an order and order data and the data of response and reply data to whether meeting EPC Class-1
The step of Generation-2 agreements, includes：
Step S3.1, verify the data centering order and order data CRC byte it is whether correct, verify the data pair
In order whether belong to command set, the order for verifying the data centering and order data byte length correct, such as all
It is correct then go to step 3.2, otherwise judge the data to not meeting EPC Class-1 Generation-2 agreements；
Step S3.2, verify the data centering response and reply data CRC byte it is whether correct, verify the data pair
In response and reply data be with ordering response whether corresponding, that verify the data centering and reply data byte length
It is no correct, as all correctly if judge that the data to meeting EPC Class-1 Generation-2 agreements, otherwise judges this
Data are not to meeting EPC Class-1 Generation-2 agreements.
7. communications records analysis according to claim 2 and RFID simulation realizing methods, it is characterised in that：The application is eventually
End transmission signal receiving module, RFID return signals receiving module and RFID analog signal transmitter modules are respectively equipped with an independence
Antenna, or, application terminal transmission signal receiving module, RFID return signals receiving module and RFID analog signals transmitting mould
Block shares an antenna.
8. communications records analysis according to claim 3 and RFID simulation realizing methods, it is characterised in that：The communication mould
Communicated between block and computer in a manner of any one in netting twine, optical cable, infrared ray, bluetooth, WiFi and Zigbee.
9. communications records analysis according to claim 3 and RFID simulation realizing methods, it is characterised in that：Communication interception mould
Intend device to power using active or passive electric source modes.
10. communications records analysis according to claim 3 and RFID simulation realizing methods, it is characterised in that：Described meter
Calculation machine is any one in computer, handheld terminal, palm PC or homemade microcomputer system.
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