WO2021103115A1 - Procédé et appareil de sortie de données d'étiquette rfid, dispositif et support de stockage - Google Patents

Procédé et appareil de sortie de données d'étiquette rfid, dispositif et support de stockage Download PDF

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Publication number
WO2021103115A1
WO2021103115A1 PCT/CN2019/123775 CN2019123775W WO2021103115A1 WO 2021103115 A1 WO2021103115 A1 WO 2021103115A1 CN 2019123775 W CN2019123775 W CN 2019123775W WO 2021103115 A1 WO2021103115 A1 WO 2021103115A1
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WIPO (PCT)
Prior art keywords
data
electronic tag
tag
reader
rfid
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PCT/CN2019/123775
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English (en)
Chinese (zh)
Inventor
赵旭
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独角兽网络科技（苏州）有限公司
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Publication of WO2021103115A1 publication Critical patent/WO2021103115A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10198—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves setting parameters for the interrogator, e.g. programming parameters and operating modes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
    • G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10019—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10257—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for protecting the interrogation against piracy attacks

Definitions

  • the present invention relates to the field of communication technology, and in particular to a method, device, equipment and storage medium for RFID tag data output.
  • RFID Radio Frequency Identification
  • the existing RFID system is shown in Figure 1. It usually includes an electronic tag, a reader, and an antenna (reader antenna, electronic tag antenna) for data communication between the electronic tag and the reader.
  • the electronic tag stores Electronic data in a certain format is used as the identification information to identify the item.
  • the electronic tag is attached to the item to be identified and used as the electronic mark of the item to be identified.
  • the reader sends a command to the electronic tag, and the electronic tag is based on the received
  • the reader instruction of the reader transmits the stored identification data to the reader to realize data communication.
  • the reader reads and decodes the data and then transfers the data to the control device or network for related data processing.
  • the management of the RFID system in the prior art usually relies on the management software on the computer, and the computer has different operating systems in different use environments, such as Windows XP ⁇ Windows Vista ⁇ Windows 7 ⁇ Windows 8 ⁇ Windows 10 and Linux, etc. ,
  • the management software runs in the environment of different systems, and different applications and RFID middleware are needed to realize the management and control of the equipment.
  • customized development is required.
  • the operating system is upgraded, there may be changes in the original application program interface due to the upgrade, resulting in management software incompatibility, non-working, or even management software crashes. It is more difficult for ordinary users to deal with such situations.
  • the present invention provides a method, device, equipment and storage medium for RFID tag data output.
  • the present invention provides a method for RFID tag data output, including:
  • the data of the electronic label is output.
  • the present invention provides an RFID tag data output device, including a search module, a selection device, an authentication module, and an operation module, wherein:
  • the search module is used to search for the corresponding electronic label according to the configuration rules
  • the selected module is used to select the electronic label confirmed by the anti-collision operation
  • the output module is used to output the data of the electronic label when the authentication is passed.
  • the present invention provides an RFID device including: a memory, a processor, and a computer program stored on the memory and capable of running on the processor, and the computer program is implemented when the processor is executed The steps of the method as described in any one of the above.
  • the present invention provides a computer-readable storage medium having a computer program stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method described in any of the above are implemented.
  • the method, device, equipment and storage medium for RFID tag data output provided by the present invention can adapt to different operating system environments and overcome the problem that existing equipment requires different management programs to control.
  • operating system upgrades may cause the bottom layer The interface SDK and other changes caused the original management program to fail to work normally.
  • Figure 1 is a structural diagram of an existing RFID system
  • S401 Send a signal through the antenna in the reader to search for tags that are sensed in a specific frequency range.
  • the relevant parameters of the RFID reader set the antenna transmission frequency, call the API interface according to the transmission frequency and select the corresponding mode.
  • Reading frequency band Configure the read RF frequency band standard (840MHz-844.5MHz ⁇ 902MHz-928MHz, etc.) and power sensitivity and other parameters.
  • the algorithm function is stored in the address 0x4000000 in the ROM.
  • the WriteRV function to send the collision parameters to the input and output data register, and then call the WriteRawRV instruction to send the instruction word 80H to the register.
  • the input and output data register stores the result of the collision processing.
  • the result is an 8-byte identification code, which represents the identification code of the electronic tag that the reader should read.
  • Specify the initial value Key which can be a memory address in the ROM of the reader, where a is the iteration parameter, b is the iteration constant, and m is the numerical control scale. After reaching the designated operating level n, the Key can be obtained.
  • the RFID reader calls the char Pcd Auth Key(uchar*coded) function to verify the secret key to the electronic tag.
  • the electronic tag returns a random number R after the hardware calculations solidified in the ROM, and the reader calls the function char Pcd after receiving R.
  • Auth State (uchar auth_mode, uchar block, uchar*snr) is verified, and then the connection can be established.
  • Select the electronic label and return the relevant information collected by the electronic label mainly returning information such as the unique identification code TID of the electronic label, the electronic product code EPC, and the user data Userdata.
  • S404 Perform security authentication in the reader system to determine the accuracy of the data and the relevant security of the data source. If the certification is passed, the label content can be transmitted. Electronic tags can be divided into different sectors, and different sectors can be read by calling different APIs of the reader. The software part of the RFID reader mainly completes the configuration of the storage content and capacity of each register of the reader.
  • the communication between the RFID reader and the electronic tag requires a unified data structure, so that the interface function can be used to convert the communication data packet into its own memory data structure during the analysis of the reader, and the communication data packet can be converted through hardware conversion It is converted into instruction data, thus avoiding the data transmission abnormal problem caused by the different firmware version of the data format.
  • the data packet structure is shown in Table 3:
  • Table 4 Data packet type table
  • SEND data packets and ACK data packets are RFID system communication data packets, that is, the reader can send information to the electronic tag through the SEND data packet, or ACK receives the electronic tag data information, and the electronic tag receives the instruction to be executed through the ACK data packet.
  • the relevant data packet of the reader should add the Command command bit, and the electronic tag should add the receiving bit.
  • the packet sent and received by the RFID reader has a unified identification, which is defined as flag1 in the flag bit.
  • the packet type is:
  • the communication data packet type is SEND
  • SEND SEND
  • the RFID reader has established a connection with the electronic tag, and then starts to send commands or data.
  • SEND package normal communication can be carried out between the two.
  • the package should be checked in the middle of the process to ensure some parameters of the data in the process.
  • the package needs to be sent as a data frame, and the content in the package structure can be analyzed when receiving.
  • the communication data packet type When the communication data packet type is ACK, it indicates the data that can be sent by the tag in the system.
  • the package types are shown in the table.
  • the flag bit of the data packet sent by the electronic label is 2.
  • the communication data packet is of the SEND type, it mainly sends the electronic label to collect data, and its structure is shown in the table.
  • the communication data packet When the communication data packet is of ACK type, it mainly sends the response data packet to the RFID reader. Its structure is shown in the table:
  • the electronic tag is mainly responsible for data collection and data transmission to the reader.
  • the main data collection commands should be issued by the RFID reader.
  • the electronic tag and RFID reader and terminal are shown in Figure 5.
  • the interaction process is:
  • the RFID reader performs power-on reset, sends electromagnetic waves in a specific frequency band, and waits for the electronic tag to respond to the range.
  • the tag is initialized, and the antenna signal of the reader is received when it is working.
  • the hardware circuit parses the data packet and sends an ACK communication data packet to the resolved address, requesting to join the network.
  • the terminal side mainly implements the rule configuration of the reader, such as setting the working parameters of reading RFID tags:
  • Working mode It can be configured to read/write RFID tags by triggering or automatically and continuously read RFID tags.
  • Reading frequency band Configure the read RF frequency band standard (840MHz-844.5MHz ⁇ 902MHz-928MHz, etc.) and power sensitivity and other parameters.
  • Reading area you can specify the designated area of the RFID tag to be read, such as the unique identification code TID of the electronic tag, the electronic product code EPC and the reading of user data Userdata;
  • Reading mode The interval time of the output mode can be configured. For example, the same label will not be output repeatedly within a few seconds, and the new label will be output immediately;
  • Output mode You can configure the output data rules and format, such as PS2, HID protocol rules;
  • the reader/writer reads the electronic tag data according to the configured rules and outputs it to the terminal for processing and display.
  • Fig. 6 is a device for outputting RFID tag data in another exemplary embodiment of the present invention, which includes a search module 61, a selection device 62, an authentication module 63, and an output module 64, wherein:
  • the searching module 61 is used for searching the corresponding electronic label according to the configuration rule
  • the selection module 62 is used to select the electronic tag confirmed by the anti-collision operation
  • the authentication module 63 is used to authenticate the above-mentioned selected electronic tag
  • the operation module 64 is used to output the electronic tag data after passing the authentication.
  • the modules in the device for outputting RFID tag data provided by the embodiments of the present invention can also be used to implement the functions corresponding to the steps of the methods in the foregoing embodiments, which will not be repeated here.
  • An embodiment of the present invention also provides an RFID device, including: a memory, a processor, and a computer program stored in the memory and capable of running on the processor.
  • a computer program stored in the memory and capable of running on the processor.
  • the embodiment of the present invention also provides a computer-readable storage medium, and a computer program is stored on the computer-readable storage medium.
  • a computer program is stored on the computer-readable storage medium.
  • the computer program is executed by a processor, each process of the above-mentioned RFID tag data output method embodiment is realized, and the same can be achieved.
  • the technical effect, in order to avoid repetition, will not be repeated here.
  • the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk, or optical disk, etc.
  • this application can be provided as methods, systems, or computer program products. Therefore, this application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, this application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions can also be stored in a computer-readable memory that can direct a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment.
  • the instructions provide steps for implementing the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • the computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
  • processors CPUs
  • input/output interfaces network interfaces
  • memory volatile and non-volatile memory
  • the memory may include non-permanent memory in computer readable media, random access memory (RAM) and/or non-volatile memory, such as read-only memory (ROM) or flash memory (flash RAM). Memory is an example of computer readable media.
  • RAM random access memory
  • ROM read-only memory
  • flash RAM flash memory
  • Computer-readable media include permanent and non-permanent, removable and non-removable media, and information storage can be realized by any method or technology.
  • the information can be computer-readable instructions, data structures, program modules, or other data.
  • Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, CD-ROM, digital versatile disc (DVD) or other optical storage, Magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices or any other non-transmission media can be used to store information that can be accessed by computing devices. According to the definition in this article, computer-readable media does not include transitory media, such as modulated data signals and carrier waves.

Abstract

L'invention concerne un procédé et un appareil de sortie de données d'étiquette RFID, ainsi qu'un dispositif et un support de stockage, se rapportant au domaine technique des communications, et consistant en particulier à : rechercher une étiquette électronique correspondante selon une règle de configuration (S401) ; sélectionner une étiquette électronique déterminée par une opération anti-collision (S402) ; authentifier l'étiquette électronique sélectionnée (S403) ; et si l'authentification réussit, générer les données de l'étiquette électronique (S404). Le procédé et l'appareil de sortie de données d'étiquette RFID, ainsi que le dispositif et le support de stockage de l'invention, peuvent s'adapter pour résoudre le problème lié à la nécessité d'avoir différents programmes de gestion pour commander un dispositif existant dans différents environnements de système d'exploitation.
PCT/CN2019/123775 2019-11-25 2019-12-06 Procédé et appareil de sortie de données d'étiquette rfid, dispositif et support de stockage WO2021103115A1 (fr)

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CN201911166042.1A CN110969036B (zh) 2019-11-25 2019-11-25 一种rfid标签数据输出的方法、装置、设备和存储介质
CN201911166042.1 2019-11-25

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PCT/CN2019/123775 WO2021103115A1 (fr) 2019-11-25 2019-12-06 Procédé et appareil de sortie de données d'étiquette rfid, dispositif et support de stockage
PCT/CN2019/123777 WO2021103117A1 (fr) 2019-11-25 2019-12-06 Système de lecture de données d'étiquette rfid

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CN110969036A (zh) 2020-04-07
WO2021103117A1 (fr) 2021-06-03
WO2021103116A1 (fr) 2021-06-03

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