CN104184489B - Radio transmitting device based on ultrahigh frequency RFID - Google Patents
Radio transmitting device based on ultrahigh frequency RFID Download PDFInfo
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- CN104184489B CN104184489B CN201410384407.9A CN201410384407A CN104184489B CN 104184489 B CN104184489 B CN 104184489B CN 201410384407 A CN201410384407 A CN 201410384407A CN 104184489 B CN104184489 B CN 104184489B
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Abstract
The invention discloses a kind of radio transmitting device based on ultrahigh frequency RFID for meeting national military standard protocol requirement.The radio transmitting device of the present invention includes a 900MHz master control set and multiple 900MHz acquisition terminals devices；The 900MHz master control sets include first interface unit, 900MHz reader/writer modules unit, the first controller unit and first antenna unit；The 900MHz acquisition terminals unit includes second interface unit, 900MHz tag analog devices modular unit, second controller unit and the second antenna element.The beneficial effects of the invention are as follows：Meet national military standard protocol requirement, it is ensured that the security of data and optimal transmission rate, realize the radio communication function between the radio transmitting device and PC or other equipment of the present invention.
Description
Technical field
The invention belongs to technical field of electronic communication, more particularly to it is a kind of meet national military standard protocol requirement based on hyperfrequency
RFID radio transmitting device.
Background technology
Radio communication is one kind that the characteristic that can be propagated in free space using electromagnetic wave signal enters row information exchange
Communication mode, in recent years in the information communications field, with fastest developing speed, most widely used is exactly wireless communication technology.Radio communication master
To include microwave communication and satellite communication.Microwave is a kind of radio wave, the distance that it is transmitted typically only tens kms.But it is micro-
The frequency band of ripple is very wide, and message capacity is very big.Microwave communication will build a microwave relay station every tens kms.With society not
Disconnected development and progress, the application of the communication technology and the pith as people's life, working and learning, radio communication is with it
Cost is low, favorable expandability, it is easy to use the advantages of be deep into the various aspects of people's live and work, it is including used in everyday
Mobile phone, radio telephone etc., wherein 3G, WLAN, UWB, bluetooth, broadband satellite system, DTV are all that 21 century is most popular
The application of wireless communication technology.Radio frequency identification (Radio Frequency IDentification, RFID) is a kind of channel radio
Letter technology, specific objective can be recognized by radio signals and related data is read and write, without identifying system and specific objective
Between set up machinery or optical contact.The signal of radio is the electromagnetic field by being tuned into radio frequency, data from attached
And sent out on the label on article, recognized with automatic with following the trail of the article.Some labels are in identification from identifier hair
Energy is can be obtained by the electromagnetic field gone out, and does not need battery；Also label possesses power supply in itself, it is possible to actively to send nothing
Line electric wave (electromagnetic field for being tuned into radio frequency).Label is contained can recognize within the information of Electronic saving, several meters.With
Unlike bar code, RF tag need not be within identifier sight, can also be embedded in and be tracked within object.From general
For in thought, RFID is similar to bar code scan, and for barcode technology, it is that encoded bar code is attached into object
And information is sent to scanning read write line by bar shaped magnetic using optical signal using special scanning read write line；And RFID is then using special
RFID reader and the special RFID tag for being attached to object, are passed information by RFID tag using frequency signal
Deliver to RFID reader.The most important advantage of radio-frequency recognition system is contactless identification, and it can penetrate snow, mist, ice, coating, dirt
Dirt and the adverse circumstances label reading that can not use of bar code, and reading rate is exceedingly fast, in most cases less than 100 millis
Second.The literary sketch ability of active radio-frequency recognition system is also important advantage.Available for the interaction such as flow tracking and maintenance tracking
Formula business.RFID is one and is easily manipulated, flexibility application technology that is simple and practical and being particularly suitable for Automated condtrol.Penetrate
Frequency identifying system mainly has the following aspects system advantage：Read convenient and swift；Recognition speed is fast；Data capacity is big；Use
Long lifespan, has a wide range of application；Label data can be changed dynamically；More preferable security.Air interface communication protocol specification read write line
With the information interaction of electronic tag, it is therefore an objective to be the interconnecting property between different manufacturers production equipment.ISO/IEC formulates five
The air interface protocol of frequency range is planted, this thought fully demonstrates the unified relativity of standard, and a standard is to quite extensive
The joint demand of application system, but the demand of not all application system, one group of standard can meet larger range of application need
Ask.ISO/IEC 18000-6 information technologies-based on single QC manage radio frequency identification-be applied to hyper band 860~
960MHz, physical interface, agreement and order between regulation read write line and label add collision-proof method.It comprising TypeA,
The interface protocol of tri- kinds of passive labels of TypeB and TypeC, communication distance can farthest reach 10m.Wherein TypeC be by
What EPCglobal was drafted, and got the Green Light in July, 2006, it recognition speed, read or write speed, data capacity, anticollision,
Information security, frequency range adaptability, it is anti-interference in terms of improve a lot.Submit V4.0 drafts within 2006, it is directed to band and aided in
The characteristics of power supply and sensor electronic tag, is extended, including label data storage mode and interactive command.The master of charged pool
Dynamic formula label can provide large range of reading capability and stronger communication reliability.For national military standard (GJB) agreement
The popularity and uniqueness of 7377.2-2011 applications, it is desirable to which the equipment of application 7377.2-2011 agreements is applicable the communication mark of the military
Standard, but in the prior art without the general communication equipment that can be used in national military standard agreement.Existing communication equipment is mainly
It is made up of main control device and acquisition terminal, because main control device is heavy not easily shifted in practical operation, multiple collections is configured again eventually
End, and main control device and acquisition terminal are by the way of wired connection, the shortcoming that such a connected mode is brought be it is not only heavy but also
Be unfavorable for management, therefore using radio connection by be future wireless system equipment finer selection.Again because being assisted in national military standard
In the application system of view, wireless-transmission network can not be the applicable communication network of Wi-Fi, the bluetooth Deng Fei militaries, so at present
The Wireless Telecom Equipment that can be used in national military standard agreement of also no complete set.
The content of the invention
In order to solve the above problems, the present invention proposes a kind of radio transmitting device based on ultrahigh frequency RFID.
The technical scheme is that：A kind of radio transmitting device based on ultrahigh frequency RFID, it is characterised in that：Including one
Individual 900MHz master control sets and multiple 900MHz acquisition terminals devices；The 900MHz master control sets include first interface unit,
900MHz reader/writer modules unit, the first controller unit and first antenna unit；The 900MHz acquisition terminals unit includes
Second interface unit, 900MHz tag analog devices modular unit, second controller unit and the second antenna element；The 900MHz
The first controller unit in master control set is connected with other all units, for control data information transmission and logarithm it is believed that
The data encryption of breath and data storage processing, the 900MHz reader/writer modules unit are received and dispatched for wireless data information, are realized
Radio communication and the data interaction of second controller unit with 900MHz acquisition terminal devices, the first interface unit are used for
Transfer data to PC or display terminal, the first antenna unit uses 900MHz ceramic antennas, for realize with
The second antenna element in 900MHz acquisition terminal devices is in communication with each other；The second control in the 900MHz acquisition terminals device
Device unit is connected with other all units, for control data information gathering and transmission, the 900MHz tag analogs device module
Unit is received and dispatched for wireless data information, realizes that the 900MHz reader/writer modules unit information with 900MHz master control sets is recognized,
The data message that the second interface unit is used in collecting device, second antenna element uses 900MHz ceramic antennas,
For realizing that the first antenna unit with 900MHz master control sets is in communication with each other.
Further, in the first interface unit and 900MHz acquisition terminal devices in above-mentioned 900MHz master control sets
Two interface units all include USB interface and serial ports.
Further, in the first controller unit and 900MHz acquisition terminal devices in above-mentioned 900MHz master control sets
Second controller unit is all realized using embedded ARM processor.
Further, the 900MHz read write lines unit in above-mentioned 900MHz master control sets includes 900MHz control chips and penetrated
Frequency front-end chip.
Further, above-mentioned USB interface can use customized HID_USB interfaces MiniPCI or PCI-E.
Further, above-mentioned 900MHz reader/writer modules unit (4) uses the master of SPI interface and ARM embeded processors
SPI interface is communicated.
Further, the radio communication between said apparatus and PC or other equipment uses DDS-BT anti-collision algorithms.
The beneficial effects of the invention are as follows：The present invention uses ultra-high frequency RFID technology, and realization follows national military standard agreement 7377.1-
2011 radio communication.Using the transmission of arm processor control signal, realize and be applicable military national military standard agreement 7377.1-2011
Wireless universal transmission platform, it is to avoid rely on the applicable communication network of Wi-Fi, the bluetooth Deng Fei militaries.In military's security applications ring
Border can convenient use radio communication, while ensure data security, with optimal transmission rate, using anti-collision algorithm
DDS-BT realizes effective transmission of the wireless short-distance based on national military standard 7377.1-2011, complete PC and equipment or other
Radio communication between equipment, realizes the functions such as the collection of data.
Brief description of the drawings
Fig. 1 is the structured flowchart of the radio communication device of the embodiment of the present invention.
Embodiment
Embodiments of the invention are described further below in conjunction with the accompanying drawings.
As shown in figure 1, being a kind of being wirelessly transferred based on ultrahigh frequency RFID for meeting national military standard protocol requirement of the present invention
Device.It includes a 900MHz master control set 1 and multiple 900MHz acquisition terminals devices 2；The 900MHz master control sets 1 are wrapped
Include first interface unit 3,900MHz reader/writer modules unit 4, the first controller unit 5 and first antenna unit 6；It is described
900MHz acquisition terminals unit 2 includes second interface unit 7,900MHz tag analog devices modular unit 8, second controller unit
9 and second antenna element 10.
The first controller unit 5 in the 900MHz master control sets 1 is connected with other all units, for control data
The transmission of information and the data encryption to data message and data storage processing, the 900MHz reader/writer modules unit 4 are used for
Wireless data information is received and dispatched, and is realized and is handed over the radio communication of 900MHz acquisition terminals device 2 and the data of second controller unit 9
Mutually, the first interface unit 3 is used to transfer data to PC or display terminal, and the first antenna unit 6 is used
900MHz ceramic antennas, are in communication with each other for realizing with the second antenna element 10 in 900MHz acquisition terminal devices.Described
One interface unit 3 includes USB interface and serial ports.First controller unit 5 is realized using embedded ARM processor.It is described
900MHz read write lines unit 4 includes 900MHz control chips and radio frequency front end chip.
Second controller unit 9 in the 900MHz acquisition terminals device 2 is connected with other all units, for controlling
Data information acquisition and transmission, the 900MHz tag analogs device modular unit 8 for wireless data information receive and dispatch, realize with
The information of 900MHz reader/writer modules unit 4 identification of 900MHz master control sets 1, the second interface unit 7 is used for collecting device
In data message, second antenna element 10 uses 900MHz ceramic antennas, for realizing and 900MHz master control sets
First antenna unit 6 is in communication with each other.The second interface unit 7 includes USB interface and serial ports.The second controller unit 9
Realized using embedded ARM processor.The USB interface can use customized HID_USB interfaces MiniPCI or PCI-E.
The 900MHz reader/writer modules unit (4) is communicated using SPI interface with the main SPI interface of ARM embeded processors.Institute
The radio communication stated between device and PC or other equipment uses DDS-BT anti-collision algorithms.
Our operation principles in conjunction with specific embodiments to the present invention are illustrated below.
In 900MHz master control sets 1 and 900MHz acquisition terminals device 2 before use, 900MHz master control sets 1 need to confirm
The 900MHz acquisition terminals device 2 of current region.Here adopted between 900MHz master control sets 1 and 900MHz acquisition terminals device 2
With broadcast frame or the communication mode of point-to-point frame, different data frame modes is selected for different communication patterns.900MHz
Master control set 1 sends broadcast by the way of scanning, when two or more 900MHz acquisition terminals devices 2 are simultaneously to same
When 900MHz master control sets 1 send information, 900MHz master control sets 1 will be incapable of recognizing that any one 900MHz acquisition terminal is filled
Put 2 information.When this collision situation occurs, 900MHz master control sets 1 will be caused can not correctly to recognize that 900MHz is gathered
Terminal installation 2.Here 900MHz master control sets 1 of the invention and 900MHz acquisition terminals device 2 are using national military standard 7377.1-
DDS-BT algorithms carry out anticollision as defined in 2011 agreements.To ensure the safety of data, the He of 900MHz master control sets 1 of the invention
900MHz acquisition terminals device 2 is encrypted by the way of password is accessed, and follow-up communication is just carried out after password is correct, in nothing
Coverage can reach 10m in the environment of obstacle, and realization follows national military standard agreement 7377.1-2011 radio transmission apparatus
Function.
After 900MHz master control sets 1 identify 900MHz acquisition terminals device 2, in 900MHz acquisition terminals device 2
USB interface in the control second interface of second controller unit 9 unit 7 or the data message in serial acquisition equipment, then root
Need to be controlled or data acquisition the selected corresponding equipment of acquisition terminal according to user.Completed in data information acquisition
Afterwards, the control 900MHz tag analog devices of second controller unit 9 modular unit 8 is determined data message by the second antenna element 10
To the first antenna unit 6 being sent in 900MHz master control sets 1.Here the second antenna element 10 is using the ceramic days of 900MHz
Line, second controller unit 9 uses embedded ARM processor chip.900MHz acquisition terminals device 2 is filled according to 900MHz master controls
Handling order as defined in national military standard agreement for 1 transmission is put, external equipment is attached thereto by USB interface or serial ports,
And using using USB direct current supplys.
900MHz master control sets 1 are received after data message by first antenna unit 6, are controlled by the first control unit 5
900MHz reader/writer modules unit 4 processed receives data message, and carries out data encryption and data storage processing to data message.This
In 900MHz reader/writer modules unit 4 include 900MHz control chips and radio frequency front end chip, it be used for be wirelessly transferred middle number
It is believed that the transmitting-receiving of breath, realizes the radio communication with 900MHz acquisition terminals device 2, the data interaction with the first control unit 5.This
In first antenna unit 6 use 900MHz ceramic antennas, the first controller unit 5 use embedded ARM processor chip.
After the completion of data processing, the first control unit 5 control first interface unit 3 is transmitted data message by USB interface or serial ports
To PC or display terminal.External equipment is connected by USB interface or serial ports with 900MHz master control sets 1, and uses USB
Direct current supply.
Similarly, order can also be sent from 900MHz master control sets 1 to 900MHz acquisition terminals device 2, is wirelessly passed
It is defeated, so as to realize the RFID radio communications for following national military standard agreement 7377.1-2011.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such especially statement and embodiment.This area
Those of ordinary skill can make according to these technical inspirations disclosed by the invention various does not depart from the other each of essence of the invention
Plant specific deformation and combine, these deformations and combination are still within the scope of the present invention.
Claims (5)
1. a kind of radio transmitting device based on ultrahigh frequency RFID, it is characterised in that：Including a 900MHz master control set (1) and
Multiple 900MHz acquisition terminals devices (2)；The 900MHz master control sets (1) include first interface unit (3), 900MHz and read and write
Device modular unit (4), the first controller unit (5) and first antenna unit (6)；900MHz acquisition terminals device (2) bag
Include second interface unit (7), 900MHz tag analog device modular units (8), second controller unit (9) and the second antenna element
(10)；The first controller unit (5) in the 900MHz master control sets (1) is connected with other all units, for according to state
The transmission of army's mark protocol integrated test system data message and the data encryption to data message and data storage processing, the 900MHz read-writes
Device modular unit (4) is received and dispatched for wireless data information, realizes the radio communication and second with 900MHz acquisition terminals device (2)
The data interaction of controller unit (9), the first interface unit (3) is used to transfer data to PC or display terminal, institute
State first antenna unit (6) and use 900MHz ceramic antennas, for realizing and the second antenna in 900MHz acquisition terminal devices
Unit (10) is in communication with each other；Second controller unit (9) and other all units in the 900MHz acquisition terminals device (2)
Connection, for according to national military standard protocol integrated test system data information acquisition and transmission, the 900MHz tag analogs device modular unit (8)
For wireless data information transmitting-receiving, realize that 900MHz reader/writer modules unit (4) information with 900MHz master control sets (1) is known
Not, the data message that the second interface unit (7) is used in collecting device, second antenna element (10) uses 900MHz
Ceramic antenna, for realizing that the first antenna unit (6) with 900MHz master control sets is in communication with each other；The 900MHz master control sets
(1) radio communication between 900MHz acquisition terminals device (2) uses DDS-BT anti-collision algorithms；The 900MHz master controls dress
The second interface unit (7) put in first interface unit (3) and 900MHz acquisition terminals device (2) in (1) all connects including USB
Mouth and serial ports.
2. a kind of radio transmitting device based on ultrahigh frequency RFID as claimed in claim 1, it is characterised in that：The 900MHz
The second controller unit (9) in the first controller unit (5) and 900MHz acquisition terminals device (2) in master control set (1)
All realized using embedded ARM processor.
3. a kind of radio transmitting device based on ultrahigh frequency RFID as claimed in claim 1, it is characterised in that：The 900MHz
900MHz reader/writer modules unit (4) in master control set (1) includes 900MHz control chips and radio frequency front end chip.
4. a kind of radio transmitting device based on ultrahigh frequency RFID as claimed in claim 2, it is characterised in that：The USB connects
Mouth can use customized HID_USB interfaces MiniPCI or PCI-E.
5. a kind of radio transmitting device based on ultrahigh frequency RFID as claimed in claim 1, it is characterised in that：The 900MHz
Reader/writer module unit (4) is communicated using SPI interface with the main SPI interface of ARM embeded processors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410384407.9A CN104184489B (en) | 2014-08-06 | 2014-08-06 | Radio transmitting device based on ultrahigh frequency RFID |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410384407.9A CN104184489B (en) | 2014-08-06 | 2014-08-06 | Radio transmitting device based on ultrahigh frequency RFID |
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| Publication Number | Publication Date |
|---|---|
| CN104184489A CN104184489A (en) | 2014-12-03 |
| CN104184489B true CN104184489B (en) | 2017-09-19 |
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| CN201410384407.9A Active CN104184489B (en) | 2014-08-06 | 2014-08-06 | Radio transmitting device based on ultrahigh frequency RFID |
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| CN104899620B (en) * | 2015-05-12 | 2019-12-24 | 广州中大微电子有限公司 | RFID reader-writer with safety processing function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145192B (en) * | 2006-09-14 | 2010-12-15 | 国际商业机器公司 | Smart radio-frequency identification infrastructure and method |
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| CN102883465B (en) * | 2011-07-14 | 2015-12-02 | 深圳光启智能光子技术有限公司 | Wireless telecommunication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145192B (en) * | 2006-09-14 | 2010-12-15 | 国际商业机器公司 | Smart radio-frequency identification infrastructure and method |
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