CN102075520B - Method for transmitting data by applying image information-embedded RFID data format - Google Patents
Method for transmitting data by applying image information-embedded RFID data format Download PDFInfo
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Abstract
The invention discloses a method for transmitting data by applying an image information-embedded radio frequency identification device (RFID) data format, which is used for transmitting the data between a client and a server. The method comprises the following steps that: the client acquires a content of RFID data and the number of bytes of the content and generates the image information-embedded RFID data format; the client transmits the RFID data to the server; and the server extracts the RFID data according to the image information-embedded RFID data format. By the method for transmitting the data by applying the image information-embedded RFID data format, the problem of determination of a data transmission form is solved, and the unified standard of an RFID in logistics supervision application is formed; the image information acquired by a camera on site is embedded into the RFID data format, so the integration and the normalization of the RFID data and the image information are realized, and the reliability of cargo identification is further enhanced; and the method is particularly suitable for logistics supervision and security application.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a data transmission method of an RFID data format applying embedded image information.
Background
As a monitoring technical means commonly used for goods clearance and warehousing, the RFID reader reads an RFID tag attached to goods to quickly and accurately obtain goods information. For example, in a container logistics monitoring system, an electronic seal and an electronic lock with an RFID tag on a container are collected, collected RFID signals are transmitted to a client in a certain form, and the client packages the RFID signals and transmits the packaged RFID signals to a server for analysis. However, the RFID data format for transmission does not have a proper standard, so that various electronic seals and electronic locks are not universal, and the application of RFID is affected. Further, RFID signals that have only data information, but lack intuitive image information, limit the functionality of the RFID.
Disclosure of Invention
The invention aims to avoid the defects in the prior art and provides a data transmission method using an RFID data format embedded with image information, which optimally designs the RFID data format and embeds the image information to enhance the function of RFID.
The aim of the invention is achieved by the following technical measures:
a data transmission method using an RFID data format embedded with image information for transmitting data between a client and a server, comprising the steps of:
the client acquires the content and the byte number of the RFID data and generates an RFID data format embedded with the image information, wherein the RFID data format embedded with the image information comprises a message header, a functional code and a data field; the message header comprises a transaction meta-identifier and a length symbol, wherein the transaction meta-identifier is used for uniquely matching the request of the client with the response of the server and distinguishing each piece of RFID data; the length symbol is used for storing the byte number of the RFID data; the function code is used for informing the server of what operation should be executed; the data field comprises a segment identifier and data content, wherein the segment identifier is used for performing sub-packet transmission when the data content is larger than a preset number of bytes, identifying each sub-packet of the sub-packet transmission, and sequentially increasing the number of the sub-packets according to the sequence of the sub-packets; the data content comprises an RFID signal and image information;
the client transmits the RFID data to the server;
and the server extracts the RFID data according to the RFID data format of the embedded image information.
The data transmission method of the RFID data format with embedded image information solves the problem of determining the form of data transmission, forms a unified standard of RFID in logistics supervision application, embeds the image information acquired by a camera on site into the RFID data format, realizes the integration and standardization of RFID data and image information, further enhances the reliability of goods identification, and is particularly suitable for logistics supervision and security protection.
Detailed Description
The invention is further illustrated by reference to the following examples:
a data transmission method using an RFID data format embedded with image information for transmitting data between a client and a server, comprising the steps of:
the client acquires the content and the byte number of the RFID data and generates an RFID data format embedded with the image information, wherein the RFID data format embedded with the image information comprises a message header, a functional code and a data field; the message header comprises a transaction meta-identifier and a length symbol, wherein the transaction meta-identifier is used for uniquely matching the request of the client with the response of the server and distinguishing each piece of RFID data; the length symbol is used for storing the byte number of the RFID data; the function code is used for informing the server of what operation should be executed; the data field comprises a segment identifier and data content, wherein the segment identifier is used for performing sub-packet transmission when the data content is larger than a preset number of bytes, identifying each sub-packet of the sub-packet transmission, and sequentially increasing the number of the sub-packets according to the sequence of the sub-packets; the data content comprises an RFID signal and image information;
the client transmits the RFID data to the server;
and the server extracts the RFID data according to the RFID data format of the embedded image information.
The transaction element identifier is 2 bytes in length, and the length of the transaction element identifier is 2 bytes; the length of the function code is 1 byte; the predetermined number of bytes is 246 bytes, and the length of the data field is 0-246 bytes.
The length of the fragment identifier is 2 bytes; the segment identifier starts from 0x0001, and the segment identifier of the last sub-packet is 0x 0000; when all data can be transmitted by one sub-packet, the fragment identifier of the sub-packet is 0x 0000.
In this embodiment, the RFID data format of the embedded image information includes:
wherein,
| parameter(s) | Length of | Description of the invention |
| CTag | 2 bytes | A transaction meta-identifier for distinguishing each different RFID data |
| Length | 2 bytes | Length symbol indicating the number of bytes of the piece of RFID data |
| ReqFC | 1 byte | Function code, value: 0x01 indicating that the RFID data is image information embedded RFID data |
| FTag | 2 bytes | Segment identifier for identifying each sub-packet of sub-packet transmission when transmitting sub-packet of data content larger than 246 bytes, and sequentially increasing according to sub-packet sequence |
| BSID | 2 bytes | Client address, a unique identification address for each client, to distinguish which client the piece of RFID data was read from. |
| LockID | 8 bytes | ID number of electronic seal, electronic lock, i.e. RFID tag number |
| LockSTA | 1 byte | Electronic seal and electronic lock state |
| AcqData | 7 bytes | The acquisition time of the RFID data is year, month, day, hour, minute and second |
| AlaNum | 1 byte | Alarm record number, when there is alarm record, it shows that the following data has alarm record number, range: 0-0 xFE |
| AlaType | 1 byte | Alarm type, indicating the type of alarm |
| AlarmDate | 7 bytes | The alarm time is year, month, day, hour, minute and second |
| Image | 0 to 246 bytes | Image data in various static image formats of JPG and BMP |
Wherein,
definition of electronic seal and locking state lockSTA:
definition of alarm type AlaType:
finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A data transmission method using an RFID data format in which image information is embedded, for transmitting data between a client and a server, characterized in that: the method comprises the following steps:
the client acquires the content and the byte number of the RFID data and generates an RFID data format embedded with the image information, wherein the RFID data format embedded with the image information comprises a message header, a functional code and a data field; the message header comprises a transaction meta-identifier and a length symbol, wherein the transaction meta-identifier is used for uniquely matching the request of the client with the response of the server and distinguishing each piece of RFID data; the length symbol is used for storing the byte number of the RFID data; the function code is used for informing the server of what operation should be executed; the data field comprises a segment identifier and data content, wherein the segment identifier is used for performing sub-packet transmission when the data content is larger than a preset number of bytes, identifying each sub-packet of the sub-packet transmission, and sequentially increasing the number of the sub-packets according to the sequence of the sub-packets; the data content comprises an RFID signal and image information;
the client transmits the RFID data to the server;
and the server extracts the RFID data according to the RFID data format of the embedded image information.
2. The data transmission method using the RFID data format of embedded image information according to claim 1, wherein: the transaction element identifier is 2 bytes in length, and the length of the transaction element identifier is 2 bytes; the length of the function code is 1 byte; the predetermined number of bytes is 246 bytes, and the length of the data field is 0-246 bytes.
3. The data transmission method using the RFID data format of embedded image information according to claim 2, wherein: the length of the fragment identifier is 2 bytes; the segment identifier starts from 0x0001, and the segment identifier of the last sub-packet is 0x 0000; when all data can be transmitted by one sub-packet, the fragment identifier of the sub-packet is 0x 0000.
4. The data transmission method using the RFID data format of embedded image information according to claim 3, wherein: the RFID data format of the embedded image information includes:
wherein,
。
5. The data transmission method using the RFID data format of embedded image information according to claim 4, wherein:
the definition of LockSTA is:
。
6. the data transmission method using the RFID data format of embedded image information according to claim 4, wherein:
AlaType is defined as:
。
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| CN102799972A (en) * | 2012-04-26 | 2012-11-28 | 杭州新锐信息技术有限公司 | Physical distribution consignment supervisory system and supervisory method thereof |
| CN104751090B (en) * | 2015-04-16 | 2017-08-08 | 上海共创信息技术股份有限公司 | The compatible data format that a kind of active RFID is used |
| CN108322543A (en) * | 2018-02-13 | 2018-07-24 | 南京达沙信息科技有限公司 | A kind of refrigeration mode meteorology software management system and its method |
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| KR20070055069A (en) * | 2005-11-25 | 2007-05-30 | 윤석주 | Toll road toll collection system and method using RDF ID |
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| CN2809738Y (en) * | 2005-07-11 | 2006-08-23 | 北京银晨北方科技有限公司 | RF card identification entrance control system with automatic human face identification |
| US7735731B2 (en) * | 2007-01-17 | 2010-06-15 | Metrologic Instruments, Inc. | Web-enabled mobile image capturing and processing (MICAP) cell-phone |
| CN101282274A (en) * | 2008-06-02 | 2008-10-08 | 东莞市影石软件开发有限公司 | Mobile property management method and system based on wireless communication technology |
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| 《嵌入式图像处理系统的研究与开发》;何炜燊;《中国优秀硕士学位论文数据库》;20061231;全文 * |
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| 郑黎明.《TC237B型CCD图像传感器的原理及应用》.《国外电子元器件》.2006,全文. |
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