CN104751090B - The compatible data format that a kind of active RFID is used - Google Patents
The compatible data format that a kind of active RFID is used Download PDFInfo
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Abstract
In order to eliminate above-mentioned bottleneck, the reading data format the RFID of present main flow is compatibilising, and the present invention devises the compatible data format that a kind of active RFID is used, and the data format includes：Format version number, RFID titles and model code, RFID command formats block, RFID data grouping block, standby auxiliary block, data ciphering and deciphering block and end mark block, wherein, format version number is 3 bytes, RFID titles and model code are 40 bytes, RFID command formats block is 1024 bytes, and RFID data grouping block is 4096 bytes, and standby auxiliary block is 1024 bytes, data ciphering and deciphering block is 512 bytes, and end mark block is 10 bytes.
Description
Technical field
The present invention relates to the RFID used in logistics data format, more particularly, to one kind in active RFID
The compatible data format used.
Background technology
There is presently no the formal international standard on RFID products (including each frequency range).For RFID in logistics
Using in the presence of two kinds of coding schemes：One is that (Ubiquitous ID --- ubiquitous ID centers, the center is actual by Japanese UID centers
Upper is exactly standardization body of the Japan about electronic tag) the UID coding schemes of proposition, that supports this camp has JEOL
Manufacturer, information enterprise and printing firm etc., amount to up to 352.Another camp is by the U.S. " EPC (electronic product code)
The EPC electric product coding standards that global association " proposes.Global maximum chain group of retailer Wal-Mart, Britain Tesco etc.
The circulation enterprise of more than 100 US and European is all EPC member, while by IBM Corporation of the U.S., Microsoft, Auto-IDLab etc.
Carry out technical research support.
Japanese UID standards and American-European EPC standards have many in the radio band used, information digit and application field etc.
Difference.The frequency range that for example Japanese electronic tag is used is 2.45GHz and 13.56MHz, and American-European EPC standards are using UHF frequencies
Section, such as 902MHz~928MHz；The information digit of the electronic tag of Japan is 128, and the digit of EPC standards is 96；Day
This electronic tag standard can be used for stock control, information send and receive and product and parts tracing management etc., EPC
Standard lays particular emphasis on logistics management, stock control etc..
The incompatible of standard (especially with regard to the standard of data format definition) is the primary factor for restricting RFID development.Cause
To there is an only identification code in each RFID tag, if its data format has a variety of and incompatible, then
Cannot be general using the RFID products of various criterion, this is very unfavorable to the item circulation under economic globalization.And count
It is related to the interests and safety of every country itself according to the standard of form this problem, current present situation is Japan " in ubiquitous ID
The heart " and the incompatible confrontation situation of the big normal structures of the EPCGlobal in the U.S. two, and China also begins to formulate the RFID of oneself
Standard, it is contemplated that other many countries can also start to formulate the standard of oneself successively.How to allow these standards compatible, allow one
Individual RFID products successfully can circulate in world wide, be current important and the problem of need to solve in a hurry.
Data format is incompatible can not be general using the RFID products of various criterion, and this is to the article stream under globalization
It is logical very unfavorable.Current present situation be ISO (International Organization for standardization) standards and EPC (Electronic Product Code,
Electric product coding) mutually contend between standard, China also begins to formulate the RFID standards of oneself, and other countries can also may make
Fixed corresponding standard.This has occurred as soon as communication between these standards, has mutually melted problem.
In the prior art, Application No. CN200810111908 Chinese invention patent application attempts to solve this problem,
However, it have ignored the problem of the reading easily occurred during RFID communication is omitted, reads repetition, pass through so as to cause
The agreement accurately can not truly reflect the quantity and information of actual logistics goods.In addition, it does not also solve data format
Safety issue.
The content of the invention
In order to eliminate above-mentioned data incompatibility problem and safety issue, the present invention is based on prior art, devises one kind
The compatible data format that active RFID is used, including：Format version number, RFID titles and model code, RFID command formats
Block, RFID data grouping block, standby auxiliary block, data ciphering and deciphering block and end mark block, wherein, format version number is 3 bytes,
RFID titles and model code are 40 bytes, and RFID command formats block is 1024 bytes, and RFID data grouping block is 4096 bytes,
Standby auxiliary block is 1024 bytes, and data ciphering and deciphering block is 512 bytes, and end mark block is 10 bytes.
Further, the RFID command formats block includes：RFID orders first symbol, RFID bit rates, RFID order generations
Code, the verification of RFID command parameters number, RFID command parameters, RFID command parameters and RFID order end marks.
Further, described RFID data grouping block includes：Temporal information block, packet decision block, RFID data block, expansion
Attribute block is opened in expansion, wherein, temporal information block represents temporal information during active RFID communication, and RFID data block is used to deposit
The feedback data information that RFID is obtained after reading, packet decision block represents the data this time obtained by RFID read operation with before
The relation of the data of RFID data block is once obtained and is saved in, the extension opens attribute block and represents that the standby auxiliary block is
It is no to be taken by RFID data grouping block.
Further, the RFID data block includes：RFID data first symbol, RFID data number, RFID data value,
RFID data check code and RFID data end mark.
Further, described relation includes：The data this time obtained by RFID read operation are preceding once obtain simultaneously
The continuity for being saved in the data of RFID data block, the data this time obtained by RFID read operation are once obtained and preserved with preceding
Data to RFID data block are unrelated, and this time data for being obtained by RFID read operation are preceding once to obtain and be saved in
The replacement of the data of RFID data block.
Further, the check code is to use CRC.
Beneficial effects of the present invention are：The RFID with highly compatible can be easily expanded according to the data format to read
Device is write, and the RFID data form has the encrypt and decrypt information to its data, so as to improve RFID data transmission
With the security of storage.
Brief description of the drawings
Fig. 1 shows the compatible data format schematic diagram that the active RFID in the present invention is used.
Embodiment
In the present invention, the full text of Application No. CN200810111908 Chinese invention patent application is incorporated in this.
Further, embodiments of the invention are as follows：The compatible data format that active RFID is used includes：Format version
Number, RFID titles and model code, RFID command formats block, RFID data grouping block, standby auxiliary block, data ciphering and deciphering block
With end mark block, wherein, format version number is 3 bytes, and RFID titles and model code are 40 bytes, and RFID command format blocks are
1024 bytes, RFID data grouping block is 4096 bytes, and standby auxiliary block is 1024 bytes, and data ciphering and deciphering block is 512 words
Section, end mark block is 10 bytes.
The RFID command formats block includes：RFID orders first symbol, RFID bit rates, RFID command codes, RFID lives
Make number of parameters, RFID command parameters, the verification of RFID command parameters and RFID order end marks.
Described RFID data grouping block includes：Mark is opened in temporal information block, packet decision block, RFID data block, extension
Will block, wherein, temporal information block represents that (including RFID reading orders send this communication and RFID reception for active RFID communication
Write data this communication) when temporal information, RFID data block is used to deposit the feedback data information obtained after RFID readings,
Packet decision block represents that the data this time obtained by RFID read operation once obtain with preceding and are saved in RFID data block
The relation of data, the extension opens attribute block and represents whether the standby auxiliary block is taken by RFID data grouping block.It is described
Relation include：The data this time obtained by RFID read operation are the preceding data for once obtaining and being saved in RFID data block
Continuity, this time data for being obtained by RFID read operation and the preceding data for once obtaining and being saved in RFID data block without
Close, and the data this time obtained by RFID read operation are replacing for the preceding data for once obtaining and being saved in RFID data block
Generation.
The RFID data block includes：RFID data first symbol, RFID data number, RFID data value, RFID data school
Test code and RFID data end mark.
The check code is to use CRC.
The data ciphering and deciphering block includes encryption key block and decryption key block.After RFID reading orders are sent, have
Before source RFID data are sent, the decruption key data in the decruption key block are first read, then, are read in RFID
Writing the RFID information received in device could be correctly interpreted in plain text.Any data are write to RFID in RFID reader,
Including format version number, RFID titles and model code, RFID command formats block, RFID data grouping block, standby auxiliary block and
Before all data in end mark block, first have to read the encryption key data in the encryption key block, by the key
Encryption after again by above-mentioned format version number, RFID titles and model code, RFID command formats block, RFID data grouping block,
Information in standby auxiliary block and end mark block writes RFID according to dark text.
In the present invention, the compatible data format that active RFID is used is represented using 16 binary digits, for example, end mark block
In data can be " 0xFF ".At this moment, by preserved data deficiencies when, the remaining byte in front of data mends " 0x0 ".
Data write-in and location mode to other data blocks is identical with this.
Notebook data form defines the mechanism that order and data are exchanged in twocouese between read write line and RFID.This means
Identification card is sent before response, should be waited the order of read write line to be received and be correctly decoded.
Present embodiment is only used for preferably illustrating the use scope that the present invention is not intended to limit the present invention.Ability
Domain it will be appreciated by the skilled person that technical scheme is modified either equivalent substitution, without departing from the present invention
Objective and scope, all should cover among protection scope of the present invention.
Claims (3)
1. the compatible data format that a kind of active RFID is used, including：Format version number, RFID titles and model code,
RFID command formats block, RFID data grouping block, standby auxiliary block, data ciphering and deciphering block and end mark block, wherein, form version
This number is 3 bytes, and RFID titles and model code are 40 bytes, and RFID command formats block is 1024 bytes, RFID data packet
Block is 4096 bytes, and standby auxiliary block is 1024 bytes, and data ciphering and deciphering block is 512 bytes, and end mark block is 10 bytes；Its
It is characterised by, described RFID data grouping block includes：Mark is opened in temporal information block, packet decision block, RFID data block, extension
Will block, wherein, temporal information block represents temporal information during active RFID communication, and RFID data block is used to deposit after RFID readings
Obtained feedback data information, packet decision block represents that the data this time obtained by RFID read operation are once obtained simultaneously with preceding
The relation of the data of RFID data block is saved in, the extension opens attribute block and represents the standby auxiliary block whether by RFID numbers
Taken according to grouping block；Described relation includes：This time data for being obtained by RFID read operation are preceding once to obtain and preserve
Continuity, this data obtained by RFID read operation to the data of RFID data block are once obtained and are saved in preceding
The data of RFID data block are unrelated, and this time data for being obtained by RFID read operation are preceding once to obtain and be saved in
The replacement of the data of RFID data block.
2. the compatible data format that active RFID according to claim 1 is used, it is characterised in that the RFID command formats
Block includes：RFID orders first symbol, RFID bit rates, RFID command codes, RFID command parameters number, RFID command parameters,
RFID command parameters are verified and RFID order end marks.
3. the compatible data format that active RFID according to claim 1 is used, it is characterised in that the RFID data block bag
Include：RFID data first symbol, RFID data number, RFID data value, RFID data check code and RFID data end mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510179597.5A CN104751090B (en) | 2015-04-16 | 2015-04-16 | The compatible data format that a kind of active RFID is used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510179597.5A CN104751090B (en) | 2015-04-16 | 2015-04-16 | The compatible data format that a kind of active RFID is used |
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| CN104751090A CN104751090A (en) | 2015-07-01 |
| CN104751090B true CN104751090B (en) | 2017-08-08 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6480100B1 (en) * | 2001-03-09 | 2002-11-12 | Sat Corporation | Radio frequency identification tag formatting method |
| CN101587531A (en) * | 2008-05-19 | 2009-11-25 | 北京中食新华科技有限公司 | Compatible data format used for active RFID |
| CN102075520A (en) * | 2010-12-17 | 2011-05-25 | 东莞市依时利科技有限公司 | Method for transmitting data by applying image information-embedded RFID data format |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI273500B (en) * | 2005-04-12 | 2007-02-11 | Holtek Semiconductor Inc | Encoding format for passive radio frequency identification (RFID) system |
| US7849107B2 (en) * | 2006-05-26 | 2010-12-07 | Symbol Technologies, Inc. | Data format for efficient encoding and access of multiple data items in RFID tags |
-
2015
- 2015-04-16 CN CN201510179597.5A patent/CN104751090B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6480100B1 (en) * | 2001-03-09 | 2002-11-12 | Sat Corporation | Radio frequency identification tag formatting method |
| CN101587531A (en) * | 2008-05-19 | 2009-11-25 | 北京中食新华科技有限公司 | Compatible data format used for active RFID |
| CN102075520A (en) * | 2010-12-17 | 2011-05-25 | 东莞市依时利科技有限公司 | Method for transmitting data by applying image information-embedded RFID data format |
Non-Patent Citations (1)
| Title |
|---|
| 综述RFID技术以其应用领域;李泉林等;《中国电子商情(RFID技术与应用)》;20060228(第1期);第56页第3.4节 * |
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Effective date of registration: 20170712 Address after: 201516 Shanghai city Jinshan District Langxia Town Landscape Road No. 228 room 7 C457 Applicant after: Shanghai to create information technology Limited by Share Ltd Address before: 610041, No. 7, No. 52, Yongfeng Road, Chengdu hi tech Zone, Sichuan, 703 Applicant before: Chengdu Shuo Yun Science and Technology Ltd. |
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