KR20070021913A - RF tag and RFID terminal and RF ID operation method and system using same - Google Patents

Abstract

The present invention relates to a wireless identification tag, an RFID terminal, and a method and a system for operating the RFID using the same. According to the present invention, an RFID tag transmits and / or receives a predetermined RFID terminal and predetermined data (or signals). And an auxiliary ID information data field for storing response rank information (or auxiliary ID information) data for determining a predetermined response priority in addition to the unique ID information data field for storing at least one unique ID information data. When receiving the unique ID information request signal from the RFID terminal via the memory unit and the transceiver unit, response time and / or response using the response rank information (or auxiliary ID information) data included in the auxiliary ID information data field Calculate and / or determine the time of the request, and the response time and / or response request calculated and / or determined And at the time characterized in that a control unit for controlling the ever the unique ID information transmits the unique ID information stored in the data field to the RFID device.

Accordingly, in at least one RFID tag storing the response ranking information, a predetermined RFID terminal receives a slotted ALOHA scheme and / or a binary tree in a process of receiving predetermined RFID information from the RFID tag. There is an advantage in that the RFID information can be conveniently and quickly read from at least one or more RFID tags provided in a specific area without using a collision avoidance algorithm including at least one Tree method.

RFID, Collision, Prevention

Description

RFID tag and RFID terminal and RF ID operation method and system using same {RFID Tag, Terminals for RFID, System and Method for Operating RFID}

<Description of main parts of drawing>

100:

According to the present invention, a memory unit further includes an auxiliary ID information data field for storing response priority information (or auxiliary ID information) data for determining a predetermined response priority in addition to the unique ID information data field for storing unique ID information data. And generating auxiliary ID information for generating and / or extracting predetermined response rank information (or auxiliary ID) data to be recorded in the wireless identification tag and the auxiliary ID information storage area included in the wireless identification tag. And an extraction unit and an information recording unit for recording the response rank information (or auxiliary ID) data generated and / or extracted by the auxiliary ID information generating / extracting unit into an auxiliary ID information storage area provided in the radio recognition tag. It relates to an RFID operating system comprising a.

Radio Frequency Identification (RFID) provides product information (for example, information for identifying or discriminating a product or information on the entire process of production, distribution, storage, and consumption) to a tag attached to a predetermined product. A predetermined RFID information is stored, and a predetermined RFID reader reads the RFID information through an antenna and uses the RFID information in connection with a predetermined information system and / or a wired / wireless network based on information communication technology. Generic term for an apparatus and / or system for reading and processing to provide certain additional services.

In general, the RFID is a memory type of the RFID tag (eg, read only, write once read many (WORM), read / write, etc.) and / or a battery (eg, passive / active) and / or air interface (air). Interface can be implemented in various ways according to the communication frequency range and communication protocol, and the detailed specification of this is currently based on ISO / IEC 15961/15962/15963 and / or ISO / IEC 18000 series and / or ISO / IEC 18001. It is being standardized.

Referring to the technology proposed in the RFID and related standards, the RFID terminal (and / or RFID reader) is a predetermined slot Aloha (Slotted ALOHA) scheme in the process of reading the predetermined RFID information from at least one RFID tag and And / or using an anti-collision algorithm that includes at least one binary tree scheme, where only certain tags exist within a particular zone, the RFID terminal (and / or RFID reader) Using the collision avoidance algorithm every time the RFID information is read has a problem of lowering the RFID reading speed.

The present invention is derived to solve the above problems, a predetermined RFID terminal and a transceiver for transmitting and / or receiving a predetermined data (or signal), and a unique ID for storing at least one unique ID information data A memory unit having an auxiliary ID information data field for storing response priority information (or auxiliary ID information) data for determining a predetermined response priority in addition to the information data field, and unique ID information from the RFID terminal through the transceiver unit; Upon receiving the request signal, the response time and / or response request time is calculated and / or determined using the response rank information (or auxiliary ID information) data included in the auxiliary ID information data field, and the calculated and / or determined The RFID terminal stores unique ID information stored in the unique ID information data field at a response time and / or a response request time. To provide an RF ID tag with a control unit for controlling the transmission ever it is an object.

The present invention also provides at least a secondary ID information storage area for storing response rank information (or auxiliary ID information) for determining a predetermined response priority in addition to the unique ID information storage area for storing unique ID information. Generate an ID information request command for requesting unique ID information with one or more radio recognition tags, and transmit a predetermined ID information request signal including the ID information request command to the plurality of radio identification tags, and transmit the plurality of radios. It is an object of the present invention to provide an RFID terminal receiving the unique ID information for each response rank corresponding to the response rank information (or auxiliary ID information) in the recognition tag.

The present invention also provides at least a secondary ID information storage area for storing response rank information (or auxiliary ID information) for determining a predetermined response priority in addition to the unique ID information storage area for storing unique ID information. Generates and / or extracts predetermined response rank information (or auxiliary ID) data to be recorded in the auxiliary ID information storage area included in one or more radio recognition tags from a predetermined memory, and generates and / or extracts the response rank information (or It is an object of the present invention to provide an RFID terminal for recording auxiliary ID data in an auxiliary ID information storage area provided in the radio recognition tag.

The present invention also provides a plurality of auxiliary ID information storage areas for storing response rank information (or auxiliary ID information) for determining a predetermined response priority in addition to the unique ID information storage area for storing unique ID information. Requesting information corresponding to the response rank information (or auxiliary ID information) stored in the auxiliary ID information storage area of the specific radio tag in case of transmitting / receiving predetermined data (or signal) with a specific radio tag Generating a command, transmitting a predetermined information request signal including the information request command to the radio recognition tag, and storing response rank information (or auxiliary ID information) corresponding to the information request command included in the information request signal; An object of the present invention is to provide an RFID terminal for receiving unique ID information from a radio recognition tag.

The present invention further includes an auxiliary ID information data field for storing response priority information (or auxiliary ID information) data for determining a predetermined response priority, in addition to the unique ID information data field for storing unique ID information data. A wireless identification tag comprising a memory unit for generating a predetermined response rank information (or auxiliary ID) data to be recorded in the auxiliary ID information storage area provided in the wireless identification tag and / or auxiliary ID information for extracting from a predetermined memory. RFID generating and extracting unit and an information recording unit for recording the response rank information (or auxiliary ID) data generated and / or extracted by the auxiliary ID information generating / extracting unit in the auxiliary ID information storage area provided in the radio recognition tag. It is an object of the present invention to provide an RFID operating system including a terminal.

The present invention further includes an auxiliary ID information data field for storing response priority information (or auxiliary ID information) data for determining a predetermined response priority, in addition to the unique ID information data field for storing unique ID information data. It is an object of the present invention to provide an RFID operating system including a plurality of radio recognition tags including a memory unit and an RFID terminal for transmitting a predetermined information request signal to the radio identification tags.

The present invention further includes an auxiliary ID information data field for storing response priority information (or auxiliary ID information) data for determining a predetermined response priority, in addition to the unique ID information data field for storing unique ID information data. Response order information (or auxiliary information) stored in the specific radio recognition tag auxiliary ID information storage area for requesting predetermined information with a plurality of radio identification tags and a radio recognition tag among the plurality of radio identification tags. It is an object of the present invention to provide an RFID operating system including an RFID terminal for generating an information request command corresponding to ID information) and transmitting a predetermined information request signal including the information request command to the plurality of radio recognition tags. .

Wireless identification tag according to the present invention for achieving the above object is, a predetermined RFID terminal, a transceiver for transmitting and / or receiving a predetermined data (or signal), and a memory unit having at least one field for storing data and And a control unit which controls to read predetermined data from the data field included in the memory unit through the transceiver and to transmit the read data to the RFID terminal.

In particular, the memory unit of the radio recognition tag, in addition to the unique ID information data field for storing the unique ID information data, auxiliary ID information for storing response priority information (or auxiliary ID information) data for determining a predetermined response priority (Priority) And a data field, wherein the controller uses the response rank information (or auxiliary ID information) data included in the auxiliary ID information data field when receiving the unique ID information request signal from the RFID terminal. Calculate and / or determine a response time and / or response request time, and transmit unique ID information stored in the unique ID information data field to the RFID terminal at the calculated and / or determined response time and / or response request time. It is characterized by controlling that.

According to an embodiment of the present invention, the response rank information (or auxiliary ID information) data includes a predetermined response sequence number.

According to an embodiment of the present invention, the response rank information (or auxiliary ID information) data may include a predetermined number system, and / or an electronic product code (EPC) system, an ISO / IEC 15963 code system, Or at least one code system of the UID system, and / or a predetermined user-defined code system.

According to an embodiment of the present invention, when the control unit of the radio recognition tag requests unique ID information corresponding to specific response rank information (or auxiliary ID information) from the RFID terminal, the response rank information (or auxiliary) ID information) and response rank information (or auxiliary ID information) stored in the memory unit. If the response rank information (or auxiliary ID information) matches, the unique ID information is extracted from the memory unit to the RFID terminal. Controlling transmission.

According to an embodiment of the present invention, the control unit of the radio recognition tag calculates a predetermined response time by multiplying the response rank information (or auxiliary ID information) data stored in the memory unit by a predetermined communication period, and calculating the And extracting the unique ID information from the memory unit at the response time and transmitting the extracted unique ID information to the RFID terminal.

Here, the communication period is characterized in that a predetermined radio recognition tag comprises a minimum time for transmitting and receiving the unique ID information with the RFID terminal.

On the other hand, the RFID terminal for realizing the present invention, in addition to the unique ID information storage area for storing the unique ID information, the auxiliary ID information storage for storing response priority information (or auxiliary ID information) for determining a predetermined response priority (Priority) A command generation unit for generating an ID information request command for requesting unique ID information with the at least two radio recognition tags in the process of transmitting and receiving predetermined data (or signal) with at least one radio identification tag further including an area. And a transmission unit for transmitting a predetermined ID information request signal including the ID information request command to the plurality of radio recognition tags, and for each response order corresponding to response rank information (or auxiliary ID information) in the plurality of radio identification tags. When receiving the unique ID information, characterized in that it comprises a receiving unit for receiving it.

On the other hand, the RFID terminal for realizing the present invention, in addition to the unique ID information storage area for storing the unique ID information, the auxiliary ID information storage for storing response priority information (or auxiliary ID information) for determining a predetermined response priority (Priority) In recording predetermined information (or data) in at least one radio recognition tag further including an area, predetermined response rank information (or auxiliary ID) data to be recorded in an auxiliary ID information storage area provided in the radio identification tag. An auxiliary ID information generating / extracting unit for generating and / or extracting from a predetermined memory and response rank information (or auxiliary ID) data generated and / or extracted by the auxiliary ID information generating / extracting unit. And an information recording section for recording in the ID information storage area.

On the other hand, the RFID terminal for realizing the present invention, in addition to the unique ID information storage area for storing the unique ID information, the auxiliary ID information storage for storing response priority information (or auxiliary ID information) for determining a predetermined response priority (Priority) In the process of transmitting / receiving predetermined data (or signals) and a plurality of radio recognition tags further comprising an area, when processing transmission / reception of specific radio tags and predetermined data (or signals) among the plurality of radio recognition tags, A command generation unit for generating an information request command corresponding to the response rank information (or auxiliary ID information) stored in the auxiliary ID information storage area of a specific radio recognition tag, and wirelessly transmitting a predetermined information request signal including the information request command. A response unit for transmitting a recognition tag and response rank information (or auxiliary ID information) corresponding to the information request command included in the information request signal. And a receiving unit for receiving unique ID information from a radio recognition tag to be stored.

On the other hand, the RFID system for realizing the present invention, in addition to the unique ID information data field for storing the unique ID information data, an auxiliary ID for storing response priority information (or auxiliary ID information) data for determining a predetermined response priority (Priority) Generates and / or generates a radio recognition tag comprising a memory unit further comprising an information data field and predetermined response rank information (or auxiliary ID) data to be recorded in an auxiliary ID information storage area included in the radio recognition tag. An auxiliary ID information generating / extracting unit to extract from the second ID information; And an RFID terminal having an information recording unit.

On the other hand, the RFID system for realizing the present invention, in addition to the unique ID information data field for storing the unique ID information data, an auxiliary ID for storing response priority information (or auxiliary ID information) data for determining a predetermined response priority (Priority) And a plurality of radio recognition tags comprising a memory unit further comprising an information data field, and an RFID terminal for transmitting a predetermined information request signal through the radio recognition tags.

In particular, when the plurality of radio recognition tags receive the information request signal transmitted from the RFID terminal, the response time and / or use the response rank information (or auxiliary ID information) data included in the auxiliary ID information data field. And calculating and / or determining a response request time point, and transmitting unique ID information stored in the unique ID information data field to the RFID terminal at the calculated and / or determined response time and / or response request time point.

On the other hand, the RFID system for implementing the present invention, in addition to the unique ID information data field for storing the unique ID information data, the secondary ID for storing the response priority information (or auxiliary ID information) data for determining a predetermined response priority (Priority) A plurality of radio recognition tags comprising a memory unit further comprising an information data field, and stored in the specific radio identification tag auxiliary ID information storage area for requesting predetermined information with a specific radio identification tag among the radio identification tags. And an RFID terminal generating an information request command corresponding to response rank information (or auxiliary ID information) and transmitting a predetermined information request signal including the information request command to the plurality of radio recognition tags. It is done.

In particular, when the plurality of radio recognition tags receive the information request signal transmitted from the RFID terminal, response rank information (or auxiliary ID information) corresponding to the information request command included in the information request signal is stored in the auxiliary ID information data. Check whether the corresponding response rank information (or auxiliary ID information) data stored in the field corresponds, and transmit the unique ID information stored in the unique ID information data field to the RFID terminal only in response to the information request signal. It is done.

Hereinafter, with reference to the accompanying drawings and description will be described in detail the operating principle of the preferred embodiment of the present invention. However, the drawings and the following description shown below are for the preferred method among various methods for effectively explaining the features of the present invention, the present invention is not limited only to the drawings and description below. In addition, in the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. Terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users or operators. Therefore, the definition should be based on the contents throughout the present title.

In addition, preferred embodiments of the present invention to be carried out below are provided in each system functional configuration to efficiently describe the technical components constituting the present invention, or system functions that are commonly provided in the technical field to which the present invention belongs. The configuration will be omitted, and described mainly on the functional configuration to be additionally provided for the present invention. If those skilled in the art to which the present invention pertains, it will be able to easily understand the function of the components that are conventionally used among the omitted functional configuration not shown below, and also the configuration omitted as described above The relationship between the elements and the components added for the present invention will also be clearly understood.

In addition, the preferred embodiment of the present invention to be carried out below will be described as a predetermined means provided on the terminal side or the server side in order to efficiently describe the technical components constituting the present invention, the intention and / or method of those skilled in the art As such, the means can be implemented in a variety of ways. For example, the means provided on the terminal side may consist of a program recorded on a recording medium provided in the terminal according to the functional configuration of the terminal and / or the unique characteristics (or roles) of the terminal, and / Alternatively, the device may be configured as a device mounted on the terminal (for example, a custom semiconductor or IC chip mounted on a PCB) or a device detachable from the terminal (for example, a device detachable from a slot provided in the terminal). In addition, the means provided on the server side may be a program (eg, unique to each means) recorded on a recording medium provided in the server according to the functional configuration of the server and / or the unique characteristics (or roles) of the server. A program comprising at least one or more functional units for performing a function (or role), and / or the at least one or more means are configured as one independent server such that a plurality of servers It is possible to configure to work through the interface.

In addition, the preferred embodiment of the present invention to be described below will be referred to as the RFID tag for convenience in order to efficiently describe the technical components constituting the present invention, the present invention is not limited thereby.

As a result, the technical spirit of the present invention is determined by the claims, and the following examples are one means for efficiently explaining the technical spirit of the present invention to those skilled in the art to which the present invention pertains. It is only.

1 is a view showing a functional configuration of an RFID operating system according to an embodiment of the present invention.

In more detail, FIG. 1 includes an auxiliary ID storage area for storing predetermined priority information in addition to unique ID information in a memory unit of the RFID tag 200, wherein the response priority information and a predetermined response processing communication protocol are provided. Store the information in association with each other and, upon requesting unique ID information from a predetermined RFID terminal 500, a unique ID stored in the memory unit by a response time and / or a response request corresponding to the response rank information included in the auxiliary ID information. A preferred functional configuration of an RFID operating system using an RFID tag 200, characterized in that the information is extracted and transmitted to a predetermined RFID terminal 500, a person having ordinary knowledge in the technical field to which the present invention belongs. Each means shown in FIG. 1 may be provided in a predetermined RFID terminal 500, and / or provided on a network with the predetermined RFID terminal 500. Figure will obviously understood by mubang be provided separately according to the functions of the respective means on one or more servers, bayida put out obviously not limited by the present invention to an embodiment of the RFID management system according to one of ordinary skill in the art of intent.

Referring to FIG. 1, the RFID operating system stores auxiliary ID information for storing response priority information (or auxiliary ID information) for determining a predetermined response priority in addition to a unique ID information data field for storing unique ID information data. Generate and generate RFID tag 200 comprising a memory unit further comprising a data field, and predetermined response rank information (or auxiliary ID) data to be recorded in the auxiliary ID information storage area included in the RFID tag 200. And / or an auxiliary ID information generation / extraction unit for extracting from a predetermined memory and response rank information (or auxiliary ID) data generated and / or extracted by the auxiliary ID information generation / extraction unit in the RFID tag 200. And an RFID terminal 500 comprising an information recording unit for recording in the ID information storage area.

The RFID operating system may further include an auxiliary ID information data field storing response rank information (or auxiliary ID information) data for determining a predetermined response priority, in addition to the unique ID information data field for storing unique ID information data. And a plurality of RFID tags 200 including a memory unit provided therein, and an RFID terminal 500 for transmitting a predetermined information request signal to the plurality of RFID tags 200. When the RFID tag 200 receives the information request signal transmitted from the RFID terminal, response time and / or response request is made using response rank information (or auxiliary ID information) data included in the auxiliary ID information data field. Calculate and / or determine a time point, and the unique ID information data at the calculated and / or determined response time and / or response request time point The unique ID information stored in the field may be transmitted to the RFID terminal 500.

In addition, the RFID operating system may store an auxiliary ID information data field storing response rank information (or auxiliary ID information) data for determining a predetermined response priority in addition to the unique ID information data field for storing unique ID information data. In order to request a predetermined information from the plurality of RFID tags 200 including the memory unit further provided, and the specific RFID tag 200 among the plurality of RFID tags 200, the specific RFID tag 200 assistance ID. RFID terminal for generating an information request command corresponding to the response rank information (or auxiliary ID information) stored in the information storage area and transmitting a predetermined information request signal including the information request command to the plurality of RFID tags 200. And 500, wherein the plurality of RFID tags 200 receives an information request signal transmitted from the RFID terminal. If the response rank information (or auxiliary ID information) corresponding to the information request command included in the information request signal corresponds to the response rank information (or auxiliary ID information) data stored in the auxiliary ID information data field, Only when the unique ID information stored in the unique ID information data field corresponding to the information request signal is characterized in that for transmitting to the RFID terminal 500.

The RFID tag 200 may include a transceiver configured to transmit and / or receive a predetermined RFID terminal and predetermined data (or signals), a memory including at least one field for storing data, and the memory through the transceiver. And a control unit for controlling to read predetermined data from a data field provided in the unit and to transmit the read data to the RFID terminal. The memory unit of the RFID tag 200 includes a unique ID. And an auxiliary ID information data field for storing response priority information (or auxiliary ID information) data for determining a predetermined response priority, in addition to the unique ID information data field for storing the information data. When the control unit receives a unique ID information request signal from the RFID terminal, the controller receives a response included in the auxiliary ID information data field. Calculate and / or determine response time and / or response request time using rank information (or auxiliary ID information) data, and input the unique ID information data field at the calculated and / or determined response time and / or response request time. It is characterized in that the control to transmit the stored unique ID information to the RFID terminal 500.

2 is a diagram illustrating a functional configuration of an RFID tag 200 according to an embodiment of the present invention.

In general, the RFID tag 200 includes an IC (Integrated Circuit) chip and an antenna circuit, and according to the intention of the person skilled in the art and / or the field and / or frequency domain to which the RFID tag 200 is applied, the IC The chip may be implemented in various ways, from a simple RF chip equipped with a predetermined logic element and a memory element to an IC chip for a contactless IC card. The functional configuration of the RFID tag 200 shown in FIG. For a predetermined MCU (MicroController Unit) block for implementing the present invention, it is to be understood that the functional configuration of the RFID tag 200 for achieving the present invention is not limited to the case of FIG.

Referring to FIG. 2 according to a preferred embodiment of the present invention, the RFID tag 200 serves to transmit / receive (or receive an energy source (power)) a radio frequency signal with a predetermined frequency band with the RFID reader 565. The antenna unit 230 to perform, the receiving unit 215 for converting the radio frequency signal received by the antenna unit 230 into a digital signal and providing it to the control unit 205, and the digital signal provided from the control unit 205 To control the overall function of the transmitter 220 and the RFID tag 200 for converting the signal into a predetermined radio frequency signal, and read or generate a digital signal corresponding to the digital signal received through the receiver 215. A control unit 205 for controlling the unique function of the RFID tag 200 by extracting the information from the memory unit 210 and storing the predetermined tag information including a predetermined predetermined memory structure. And a memory unit 210 having an area and / or a storage area in which tag information transmitted and received from the RFID reader 565 is stored. In the case of the passive RFID tag 200, the antenna unit 230 is provided. It includes a power supply unit 225 for generating a predetermined power having a predetermined voltage value from the radio frequency signal received through a), or in the case of the active RFID tag 200 to charge and store the predetermined power.

The antenna unit 230 when the RFID tag 200 enters (or close to the radio frequency field) the radio frequency field of the predetermined RFID reader 565 provided in the RFID terminal 500. Receiving a signal including a predetermined activation signal and / or information (or data) through a radio frequency signal transmitted from the RFID reader 565, and providing (or applying) the signal to the receiving unit 215 or wirelessly. The RFID reader 565 transmits a signal including a predetermined response signal and / or information (or data) through a frequency signal.

According to an exemplary embodiment of the present invention, when the RFID reader 565 is a passive type, the antenna unit 230 includes energy (eg, analog of radio frequency) included in a radio frequency signal transmitted from the RFID reader 565. Signal) to the power supply unit 225 to supply a predetermined energy source (or power source) required for the RFID tag 200 to operate.

In the case of the passive RFID tag 200, the power supply unit 225 corresponds to an energy field around the RFID reader 565 using an analog signal of radio frequency provided (or applied) through the antenna unit 230. It generates a predetermined power to supply to the receiver 215, the transmitter 220 and the control unit 205 provided in the RFID tag 200, the power source 225 generates the power Magnetic coupling and magnetic coupling of the alternating current flowing through the coil of the RFID reader 565 and / or electrostatic coupling using electrostatic energy and / or inductive coupling using inductive energy. Generate power energy in at least one way.

The receiver 215 is a demodulator for converting a radio frequency signal provided (or applied) through the antenna unit 230 to a predetermined digital signal, and provided (or applied) through the antenna unit 230. Demodulating the radio frequency signal to generate a digital signal corresponding to the information or data transmitted from the RFID reader 565 to the RFID tag 200 to provide to the control unit 205.

The transmitter 220 may generate a response signal of a digital signal received through the receiver 215 and / or a digital signal generated or extracted (eg, extracted from the memory unit 210) in the RFID tag 200. Modulator for converting into a predetermined radio frequency signal for transmission to the RFID reader 565 through the antenna unit 230, when a predetermined digital signal is received through the receiving unit 215 Generates a response signal to generate a radio frequency signal for transmitting to the RFID reader 565 through the antenna unit 230, or generated by the control unit 205, or predetermined from the memory unit 210 It generates a radio frequency signal for transmitting the information or data of the RFID reader 565 through the antenna unit 230, the generated radio frequency signal is The antenna unit 230 is provided to the RFID reader 565.

The control unit 205 controls the overall function of the RFID tag 200, and controls to read the digital signal received in response to the request of the RFID reader 565 through the receiving unit 215 to correspond to the digital signal. Perform a function and / or read a predetermined response signal corresponding to the received digital signal, or extract predetermined information or data corresponding to the received digital signal from the memory unit 210, and transmit the It is characterized by controlling the generation of a predetermined digital signal to be transmitted to the RFID reader 565 via 220.

According to a preferred embodiment of the present invention, the control unit 205 is a predetermined control logic (for example, logic for extracting predetermined information or data from the memory unit 210) for performing the above control function. It is preferable to include a), in the case of the more advanced RFID tag 200, it is possible to include a processor having a predetermined operation function.

According to the present invention, when the unique ID information is requested from a predetermined RFID terminal 500, the control unit 205 responds to the response time and / or response request corresponding to the response rank information included in the auxiliary ID information. Extracting the unique ID information stored in the control to transmit to the predetermined RFID terminal 500 is characterized in that.

According to an embodiment of the present invention, when the RFID terminal 500 requests unique ID information corresponding to specific response ranking information, the controller 205 stores the requested response ranking information and the memory unit. Comparing the response ranking information, and if the response ranking information match, it is preferable to control to extract the unique ID information from the memory unit and to transmit to the RFID terminal 500, whereby the RFID terminal 500 The unique ID information is read from the specific RFID tag 200 without using an anti-collision algorithm among the plurality of RFID tags 200 provided in the specific area.

According to another exemplary embodiment of the present invention, when the RFID terminal 500 requests predetermined unique ID information from a plurality of RFID tags 200 provided in the specific area, the control unit 205 stores the memory unit. Multiplies a predetermined communication period (e.g., a time interval defined as a minimum time at which a predetermined RFID tag 200 transmits and receives unique ID information with the RFID terminal 500) by multiplying the response ranking information stored in the predetermined response time. It is preferable to control the extraction, and transmit the extracted unique ID information from the memory unit to the RFID terminal 500 at the calculated response time. For example, if the communication period is 50ms and the response rank information of the RFID tag 200 is '5', the controller waits for (5x50) ms and then extracts predetermined unique ID information from the memory unit to generate the RFID. Control to transmit to the terminal 500. Accordingly, the RFID terminal 500 reads a plurality of unique ID information at high speed from the plurality of RFID tags 200 provided in a specific area without using a collision avoidance algorithm.

The memory unit 210 may perform a read function by the controller 205, and the memory unit 210 may include at least one write once read many (WORM) and / or write many (WM) memory. In the case of including an element, at least one or more of the information or data is added, updated or changed by the control unit 205 to the memory unit 210.

In addition, the memory unit 210 responds to a predetermined digital signal (eg, an information request signal) received from the RFID reader 565 via the receiver 215 (or the RFID reader 565). The terminal 500 may store predetermined storage information or data to be transmitted to the terminal 500.

According to the exemplary embodiment of the present invention, predetermined storage information or data to be transmitted from the RFID tag 200 to the RFID reader 565 (and / or the RFID terminal 500) is predetermined object information. EPC (Electronic Product Code) system, or at least one or more of the ISO / IEC 15963 code system, UID system associated with, and / or corresponding to the use and / or purpose of the RFID tag 200 It is preferable to include predetermined user-defined information or data including a data structure, and the stored information or data is extracted by the controller 205 and provided to the RFID reader 565 through the transmitter 220. It is desirable to be.

According to the exemplary embodiment of the present invention, the memory unit 210 may read information or data for reading a predetermined digital signal (eg, an information request signal) received from the RFID reader 565 through the receiver 215. And / or define the functions and roles of the RFID tag 200 and store predetermined information or data required for the controller 205 to control the RFID tag 200, and / or stored in the memory unit 210. Preferably, at least one predetermined information or data for determining validity of the information or data is stored, and the information or data is used by the controller 205 to control the operation of the RFID tag 200. desirable.

According to another exemplary embodiment of the present disclosure, when the controller 205 controls the operation of the RFID tag 200 in hardware, the controller 205 reads the received digital signal and / or controls the RFID tag 200. Or, the information or data for determining the validity of the information stored in the memory unit 210 may be omitted.

According to the present invention, the memory unit 210 includes an auxiliary ID storage area for storing predetermined response priority information in addition to the unique ID information, and manufactures the RFID tag 200 and / or the RFID tag ( 200 is attached to a predetermined product and / or when the product with the RFID tag 200 is shipped, and / or after the product with the RFID tag 200 is shipped, the auxiliary ID information area is displayed. The predetermined response rank information is stored.

According to an exemplary embodiment of the present invention, the memory unit 210 may process the transmission of the unique ID information from the RFID tag 200 to a predetermined RFID terminal 500 using the response rank information. Preferably, the communication protocol information may be stored, and in the process of storing the response rank information in the memory unit 210, the response rank information and the communication protocol information may be stored in a cooperative process.

According to another exemplary embodiment of the present invention, when the protocol for transmitting the unique ID information to the predetermined RFID terminal 500 using the response rank information in the RFID tag 200 is configured in hardware, the memory unit Storing the communication protocol information in 210 may be omitted, and the present invention is not limited thereby.

3 is a diagram illustrating a memory structure of an RFID tag 200 according to an embodiment of the present invention.

In more detail, FIG. 3 has an auxiliary ID storage area for storing predetermined priority information in addition to unique ID information, and / or uses the RFID terminal with the unique ID information based on the response rank information. The structure of the memory unit 210 for storing predetermined communication protocol information for transmission to the 500, and those skilled in the art to which the present invention belongs, the location of the storage area shown in FIG. It will be apparent to those skilled in the art that the present invention may be modified and implemented, and the present invention is not limited thereto.

Referring to FIG. 3, the unique ID information may include at least one RFID code among an electronic product code (EPC) and / or an ISO / IEC 15963 code, and / or a UID code, and / or the use of the RFID tag 200 and And / or at least one predetermined user-defined information including a data structure corresponding to the purpose, thereby providing at least one additional service using the RFID tag 200.

According to an embodiment of the present invention, when the RFID tag 200 is used for distribution, the unique ID information may include at least one RFID code among the EPC and / or ISO / IEC 15963 code, and / or the UID code. It is preferable to comprise.

According to another embodiment of the present invention, when the RFID tag 200 is used in a Ubiquitous Sensor Network (USN), the unique ID information includes user-defined information including a predetermined data structure defined for use in the USN. It is preferable to comprise.

That is, the unique ID information may be implemented in various ways according to the purpose and purpose of the RFID tag 200, whereby the present invention is not limited thereto.

The auxiliary ID information storage area may include a storage area for storing predetermined response rank information, wherein the response rank information is added / stored / updated after a product to which the RFID tag 200 is attached is shipped. In this case, the storage area for storing the response rank information may be a read / write memory. The auxiliary ID information storage area may further include a storage area for storing communication protocol information defined between the RFID tag 200 and the predetermined RFID terminal 500 in response to the response ranking information.

According to an exemplary embodiment of the present invention, the response ranking information includes information of an integer form such as '1', '2', '3', ..., 'N' and / or a predetermined character code (e.g., , At least one or more pieces of sequence information in the form of a character corresponding to an ASCII code).

According to another exemplary embodiment of the present invention, the response ranking information may be a code including a specific code scheme and / or a user-defined code scheme, but the response ranking information is in a specific area managed by the RFID tag 200. It includes a sequence for transmitting the unique ID information to the RFID terminal 500 in response to the ID information request signal transmitted from the RFID terminal 500 of the plurality of RFID tags 200 provided.

That is, the response rank information may be configured to receive the unique ID information in response to an ID information request signal transmitted from the RFID terminal 500 among a plurality of RFID tags 200 provided in a specific area managed by the RFID tag 200. It characterized in that it comprises a sequence for transmitting to the RFID terminal 500, the present invention is not limited by the data type and / or structure of the response ranking information.

According to an exemplary embodiment of the present invention, communication protocol information corresponding to the response ranking information is predetermined in an auxiliary ID information storage area provided in the memory unit 210 of the RFID tag 200 in a predetermined RFID terminal 500. Communication protocol (eg, a command for recording the response rank information transmitted from the RFID terminal 500 and the response rank information, a procedure for recording the response rank information in the memory unit 210) Memory access procedure)).

According to another exemplary embodiment of the present invention, when the communication protocol information corresponding to the response ranking information is requested from the predetermined RFID terminal 500 to the RFID tag 200, the unique ID information corresponding to the specific response ranking information, Check whether the requested response rank information matches the response rank information stored in the memory unit 210, and if the response rank information matches, the unique terminal ID information is received from the memory unit 210 by the RFID terminal 500. It is preferable that the communication protocol information included in the transmission information is included.

According to another exemplary embodiment of the present invention, when the communication protocol information corresponding to the response ranking information is requested from the predetermined RFID terminal 500 to the plurality of RFID tags 200 provided in a specific area, unique ID information, The response time of the RFID tag 200 is calculated by multiplying the response rank information by a predetermined communication period, and when the response time is reached, the RFID terminal 500 receives the unique ID information from the memory unit 210. It is preferable to include communication protocol information to be transmitted by.

Figure 4a is a view showing the RFID tag 200 information according to an embodiment of the present invention.

More specifically, Figure 4a shows the RFID tag 200 information that follows the ISO / IEC code standard defined in ISO / IEC 15963. The ISO / IEC code standard is in the Final Draft International Standard (FDIS) step. . That is, if the person skilled in the art to which the present invention belongs, RFID tag 200 information included in the present invention is not limited only to the case of the ISO / IEC code shown in Figure 4a, the final draft is It will be clearly understood that it is intended to include all instances defined or added in the final information.

Referring to (a) of FIG. 4a, the ISO / IEC code consists of an Allocation Class (AC) and a Unique ID (UID) issuer registration number and a serial number which is a number system for unique recognition. The allocation class has an 8-bit size, and a UID issuer registration number of an organization in charge of issuing a UID is determined according to the allocation class, and the serial number is set by the allocation class and the UID issuer registration number.

Referring to (b) of FIG. 4a, the issuer of the ISO / IEC code is determined by the allocation class. If the person having ordinary skill in the art belongs to the present invention, Since the correlation between the allocation class and the UID issuer can be easily inferred, detailed omissions will be described. However, for example, if the UID using the Electronic Product Code (EPC) is used, the registrar is “EAN.UCC” and the allocation class “11100010” is used in front of the EPC.

Figure 4b is a view showing the RFID tag 200 information according to another embodiment of the present invention.

In more detail, Figure 4b shows the RFID tag 200 information corresponding to the proposed EPC at the US Auto-ID Center (reorganized as EPC global recently by EAN / UCC (integrated into GS1)), It is characterized by consisting of a meta code that can uniquely identify the object. Currently, EPC has been released up to EPC Tag Data Standard Version 1.1, which includes 64-bit and 96-bit metacode. However, if one of ordinary skill in the art to which the present invention pertains, the RFID tag 200 information included in the present invention is not limited to the case of EPC shown in FIG. 4B, and is added as the future version is upgraded. It will be clearly understood that it includes all possible cases.

Referring to (a) of FIG. 4b, the EPC includes an 8-bit header for determining the length and identification format of the EPC, and a domain identifier corresponding to an identification scheme for object identification in a domain related to a specific industry. And optionally a predetermined filter value (optional) for effective EPC reading is added between the header and the domain identifier.

Referring to (b) of FIG. 4b, the EPC header defines a domain identifier of 64-bit or 96-bit, and a person of ordinary skill in the art to which the present invention belongs, Since the contents defined in the header can be easily inferred, detailed omissions will be described. However, referring to (b) of FIG. 4b, the EPC header reserves '0000 0000' to use a header of 8 bits or more in consideration of future scalability.

Figure 4c is a view showing the RFID tag 200 information according to another embodiment of the present invention.

More specifically, Figure 4c shows the RFID tag 200 information corresponding to the U-code proposed by the Ubiquitous ID Center in Japan, which is made of a meta code that can uniquely identify all kinds of objects. If the capacity is sufficient, the RFID tag 200 may further store predetermined data in the RFID tag information. Those skilled in the art to which the present invention pertains, RFID tag 200 information included in the present invention is not limited only to the case of the U-code shown in this figure 4c, it is added as the future version is upgraded It will be clearly understood to include all cases wherever possible.

Referring to (a) of FIG. 4c, the U-code includes a service header, a service identifier, service data, and an error detect code (EDC), and the length of the service header, service identifier, service data, and EDC (eg, bits). Number) is variable. For example, when the U-code is applied to article management and the length of the service identifier is defined as 36 bits, the service identifier corresponds to an EAN code (international article number code).

Referring to (b) of Figure 4c, the U-code is characterized in that the total length of the code is extended in units of 128 bits (for example, 128 bits, 256 bits, 384 bits, ...), Those skilled in the art will be able to easily infer the characteristic contents of the U-code through this figure 4c, and thus detailed omissions will be described.

5 is a diagram showing the functional configuration of the RFID terminal 500 according to the embodiment of the present invention.

In more detail, Figure 5 is a preferred functional configuration of a dedicated RFID terminal 500 having a predetermined RFID reader 565 is provided externally, for convenience the additional functional configuration corresponding to the type and additional functions of the RFID terminal 500 Although omitted for convenience, those of ordinary skill in the art to which the present invention pertains, with reference to this figure 5 from the RFID tag 200 with a predetermined response rank information without any collision prevention algorithm without any unique ID information A variety of RFID terminals 500 (e.g., a desktop computer and / or notebook for performing the RFID terminal 500 function, or a mobile communication terminal and / or a wireless data communication terminal performing the RFID terminal 500 function) and / or Or a portable Internet terminal, etc.) can be easily inferred, whereby it is apparent that the present invention is not limited.

Referring to FIG. 5, the RFID terminal 500 basically includes a control unit 505, a memory unit 535, an RFID interface 510 unit, a screen output unit 515, a key input unit 520, and a communication unit 525. It comprises a, and comprises a power supply unit 530 for supplying a predetermined power to the RFID terminal 500.

The controller 505 controls the overall operation of the RFID terminal 500 in terms of function configuration, manages the flow of information or data between components, and prevents collision from the RFID tag 200 having predetermined response rank information. It is characterized in that to control the function of the component provided in the RFID terminal 500 to read the predetermined unique ID information without.

The control unit 505 may include at least one or more processors including a central processing unit (CPU) / micro processing unit (MPU), an execution memory (for example, a register and / or a random access memory (RAM)) and a predetermined data in hardware. And a bus for inputting and outputting data from the RFID tag 200. Also, a characteristic for reading predetermined unique ID information without an anti-collision algorithm from the RFID tag 200 having predetermined response rank information in software. Includes predetermined program routines and / or program data which are loaded from a predetermined recording medium into the execution memory for performing a function and are arithmetic processed by the processor (hence, the predetermined response rank information In order to read predetermined unique ID information from the RFID tag 200 provided without a collision avoidance algorithm, the RFID terminal 500 is provided. A function provided in the RFID terminal 500 for reading predetermined unique ID information without an anti-collision algorithm from an RFID tag 200 having a predetermined program and / or the predetermined response rank information recorded on a non-recorded recording medium. A component for processing the configuration in software is shown in the control unit 505.).

According to an embodiment of the present invention, the controller 505 is configured to generate an ID information request command for requesting unique ID information corresponding to the response rank information included in a predetermined RFID tag 200, and the ID information. A function configuration for transmitting a predetermined ID information request signal including a request command to at least one RFID tag 200 through the RFID reader 565 and from the RFID tag 200 through the RFID reader 565. And a function configuration for receiving the unique ID information transmitted corresponding to the response rank.

According to an embodiment of the present invention, the control unit 505 stores the response rank information included in the predetermined RFID tag 200 and the unique ID information in a predetermined storage medium and / or the memory unit 545. And a function structure for extracting response rank information corresponding to predetermined unique ID information from the storage medium, wherein the storage medium is provided in a predetermined RFID terminal 500. And / or may be provided in a server on a network, whereby the present invention is not limited.

According to an embodiment of the present invention, the control unit 505 has a functional configuration for assigning a response rank of a predetermined RFID tag 200 and a functional configuration for recording the assigned response rank information in a predetermined RFID tag 200. In addition, the ranking allocator preferably determines a predetermined higher response or lower response ranking according to the importance and / or use of the RFID tag 200, the information recording unit is the RFID tag 200 It is preferable to record the assigned response rank information in the auxiliary ID information storage area provided in the memory unit.

According to an exemplary embodiment of the present invention, the controller 505 includes a predetermined unique anti-collision algorithm from at least one RFID tag 200 including a predetermined collision prevention algorithm after the product to which the RFID tag 200 is attached is shipped. It is preferable to further comprise a functional configuration for requesting ID information.

The memory unit 535 is input / output information when an operation by a predetermined program routine (or code) and / or program data (eg, program routine (or code)) for controlling the overall operation of the RFID terminal 500 is performed. Or a general term of non-volatile memory for storing data, and at least one or more including electrically erasable and programmable read only memory (EEPROM) and / or flash memory (FM) and / or hard disk drive (HDD) in hardware. It includes a storage means, the predetermined program routine and program data required for the control unit 505 to perform a predetermined control function (for example, data input or output for the program routine to perform a predetermined function) It is characterized in that is stored.

According to an exemplary embodiment of the present invention, the memory unit 535 may include unique ID information and response rank information stored in a memory unit of at least one RFID tag 200 provided in a specific area managed by the RFID terminal 500. It is desirable to store the unique ID information from the RFID tag 200 corresponding to the specific response rank information.

According to another exemplary embodiment of the present invention, the unique ID information and the response rank information stored in the memory unit of at least one RFID tag 200 provided in a specific area managed by the RFID terminal 500 may be a server (or Device), and in this case, the RFID terminal 500 selectively reads the unique ID information from the RFID tag 200 corresponding to specific response rank information in association with the storage medium. It is possible to ship.

The screen output unit 515 performs the predetermined function for the RFID terminal 500 to read predetermined unique ID information without an anti-collision algorithm from the RFID tag 200 having predetermined response rank information. The controller 505 may define at least one or more information or data which are predefined or are defined in real time to be output to a predetermined screen output device including a liquid crystal display (LCD) and / or a cathode ray tube (CRT). Characterized in that the output through the screen interface, the screen output unit 515 works in conjunction with the screen output device performs the function of the screen output means provided in the RFID terminal 500.

The screen output unit 515 performs a predetermined function for the RFID terminal 500 to read predetermined unique ID information without an anti-collision algorithm from the RFID tag 200 having predetermined response rank information. At least one or more key data input through the key input unit 520 and / or the RFID terminal 500 reads predetermined unique ID information from the RFID tag 200 having predetermined response rank information without a collision prevention algorithm. At least one or more pieces of information (or data) extracted from the memory unit 535 and / or from the RFID tag 200 in which the RFID terminal 500 has predetermined response rank information without a collision prevention algorithm. At least one or more information (or data) transmitted / received through the communication unit 525 to read ID information and / or the RFID terminal 500 has a predetermined response. And outputs (or data) information corresponding to a predetermined operation result performed to read predetermined unique ID information without an anti-collision algorithm from the RFID tag 200 having rank information to the screen output device. .

At least one key input unit 520 is performed by the RFID terminal 500 to perform a predetermined function for reading predetermined unique ID information from the RFID tag 200 having predetermined response rank information without a collision avoidance algorithm. At least one or more information that is predefined or is defined in real time to be input from a predetermined key input device including the above-described number keys and / or character keys and / or function keys. Alternatively, the data may be input as predetermined key data, and the key input unit 520 functions as a key input unit provided in the RFID terminal 500 in association with the key input device.

The communication unit 525 performs a predetermined function for reading the predetermined unique ID information without the collision avoidance algorithm from the RFID tag 200 having the predetermined response rank information. (Or a device) connecting at least one communication channel, wherein the communication channel is a network communication channel connecting the RFID terminal 500 and a server (or device) on a network through at least one wired or wireless network, and And / or a cable communication channel connecting the RFID terminal 500 and a predetermined cable communication terminal (or server) through a predetermined cable, and / or at least one short range communication between the RFID terminal 500 and a predetermined local area device. At least one short-range communication channel for connecting through means characterized in that it comprises.

According to an embodiment of the present invention, the network communication channel may be configured according to TCP / IP according to a type of network connecting the RFID terminal 500 and the server (or device) and / or a communication protocol defined in the network. Based on Transmission Control Protocol / Internet Protocol (Internet Protocol) -based Internet network, No.7 network, wired network communication channel including at least one private network (eg, value-added communication network or financial common network), and / or code division multiple access (CDMA) based And a wireless network communication channel including at least one of a mobile communication network, a wireless data communication network, and a portable internet network.

In addition, the cable communication channel is RS (Recommended Standard) -232c, RS-485, USB (Universal Serial Bus) according to the cable type and communication protocol connecting the RFID terminal 500 and the cable communication terminal (or server) And a wireless network communication channel including at least one serial communication channel including at least one, and / or a parallel communication channel such as LPT.

In addition, the near field communication channel may include infrared ray communication, radio frequency (RF) communication, and Bluetooth according to a type of a near field communication means and a communication protocol connecting the RFID terminal 500 and the cable communication terminal (or server). It includes a short-range wireless communication channel including at least one of (BlueTooth), Wireless LAN (Wireless LAN), Wi-Fi (Wi-Fi), UWB (Ultra Wide Band system).

The RFID interface 510 interfaces with a predetermined RFID reader 565, and transmits unique ID information received by the RFID reader 565 from at least one RFID tag 200 to the RFID terminal 500. And / or provide at least one RFID related command and / or information to the RFID reader 565 to be provided to and / or provided from the RFID terminal 500 to the RFID tag 200.

According to an exemplary embodiment of the present invention, when the RFID reader 565 is externally provided as shown in FIG. 5, the RFID interface 510 is selected from among the network communication channel and / or the cable communication channel and / or the short range communication channel. It is desirable to interface with the RFID reader 565 through at least one communication channel.

According to another exemplary embodiment of the present invention, when the RFID reader 565 is provided in the RFID terminal 500 in a built-in manner, the RFID interface 510 may include a predetermined data bus and / or a PCB. It is preferable to interface with the RFID reader 565 through a circuit.

The RFID reader 565 emits and / or transmits a radio wave of a specific frequency to the RFID tag 200 in association with the electronic circuit, and an electronic circuit that emits or receives a predetermined radio wave toward the at least one RFID tag 200. Or an antenna to accept and a microcontroller to extract and check predetermined data by reading a signal received from the RFID tag 200, and the RFID reader shown in FIG. The functional configuration of 565 interacts with at least one RFID tag 200 through a predetermined air interface defined in ISO / IEC 18000 series, and interacts with the RFID terminal 500 through the RFID interface 510. As for the RFID reader 565, it will be apparent that the functional configuration of the RFID reader 565 for achieving the present invention is not limited to the case of FIG.

Referring to FIG. 5, the RFID reader 565 may include an antenna unit 570 that transmits and receives a radio frequency signal of a predetermined frequency band (or supplies an energy source (power) to the RFID tag 200). An interface unit 585 for interfacing predetermined information or data with a predetermined RFID terminal 500, and converts predetermined information or data provided from the RIFD terminal through the interface unit 585 into a radio frequency signal. The transmitting unit 580 transmitted through the antenna unit 570, and converts the radio frequency signal received through the antenna unit 570 into a predetermined digital signal to the RFID terminal 500 through the interface unit 585. And a power supply unit 595 for supplying predetermined power required for the RFID reader 565 to operate.

According to the exemplary embodiment of the present invention, the power supply unit 595 may receive a predetermined power from the power supply unit 530 of the RFID terminal 500, or may receive a separate power from the RFID terminal 500. It is possible.

The antenna unit 570 is a predetermined radio defined in the ISO / IEC 18000 series when the predetermined RFID tag 200 enters (or close to the radio frequency region) around the RFID reader 565. Sends a signal including a predetermined activation signal and / or information (or data) through a radio frequency signal transmitted from the RFID reader 565 through an interface, and / or by the transmitter 580 by the RFID tag. And transmits a predetermined radio frequency signal requested to be transmitted to the 200, and / or receives a predetermined radio frequency signal from the RFID tag 200.

The interface unit 585 receives predetermined information or data to be included in the radio frequency signal transmitted from the RFID terminal 500 to the RFID tag 200 through the antenna unit 570, and / or the It performs an interface function for providing the RFID terminal 500 with information or data corresponding to a predetermined digital signal included in the radio frequency signal received from the RFID tag 200 through the antenna unit 570. do.

According to the exemplary embodiment of the present invention, when the RFID reader 565 interfaces with the RFID terminal 500 as an external type as shown in FIG. 5, the interface unit 585 is configured to communicate with the network communication channel and / or cable. It is preferable to interface with the RFID interface 510 of the RFID terminal 500 through at least one communication channel of the channel and / or short-range communication channel, as another embodiment the RFID reader 565 is built-in the RFID When interfacing with the terminal 500, the interface unit 585 may include a data bus and / or a printed circuit board (PCB) circuit.

The transmitting unit 580 is a modulator for converting a predetermined radio frequency signal for transmitting a predetermined digital signal to the RFID tag 200 through the antenna unit 570, and the interface unit 585. When predetermined information or data to be provided from the RFID terminal 500 to the RFID tag 200 is provided, or it is determined to transmit a predetermined signal to the RFID tag 200 by an internal logic circuit, The digital signal corresponding to the information or data and / or the digital signal corresponding to the determination result may be converted into a predetermined radio frequency signal and transmitted through the antenna unit 570.

The receiver 575 is a demodulator for converting a radio frequency signal received through the antenna unit 570 into a predetermined digital signal, and demodulates a radio frequency signal received through the antenna unit 570. Generates a digital signal, and provides predetermined information or data corresponding to the digital signal to the RFID terminal 500 through the interface unit 585.

According to an exemplary embodiment of the present invention, the receiving unit 575 receives the unique ID information corresponding to the response rank information from the plurality of RFID tags 200 provided in the specific area, between the RFID tags 200. It is preferable to include a functional configuration for checking whether a collision occurs in the above, the collision checking method will be described in detail with reference to FIG.

6A and 6B illustrate detection of a collision of an RFID tag 200 in an RFID reader 565 according to an embodiment of the present invention.

In more detail, FIGS. 6A and 6B show a case in which a return link coding scheme for transmitting predetermined unique ID information from the RFID tag 200 to the RFID reader 565 is based on a Manchester coding scheme. In this case, the RFID reader 565 detects a collision of the RFID tag 200. Specifically, FIG. 6A illustrates that the signal transmitted from the predetermined RFID tag 200 does not collide with the RFID reader 565. 6b shows that signals transmitted from two RFID tags 200 collide with each other and are received by the RFID reader 565. Those skilled in the art to which the present invention pertains may refer to the RFID through a coding scheme other than the Manchester coding scheme (for example, FM0 coding scheme known as "Bi-Phase Space") with reference to FIGS. 6A and 6B. A method of detecting a collision of the tag 200 may be easily inferred, and the present invention is not limited by the encoding scheme.

Referring to FIG. 6A, when one-byte data corresponding to '10110010' from a predetermined RFID tag 200 (1) is encoded and transmitted by the Manchester encoding method, the signal received by the RFID reader 565 may be The signal transmitted from the RFID tag 200 (1) will include a valid signal pattern having a rising boundary of '0' and a falling boundary of '1', and converting the received signal into the Manchester coding scheme. The corresponding decoded value is '10110010', which is the same as 1 byte data transmitted from the RFID tag 200 (1).

That is, when only the rising boundary and the falling boundary according to the mentor test method exist in the data received and decoded by the RFID reader 565 as shown in FIG. 6A, the RFID reader 565 is different from the received signal. Processes as normally received from the RFID tag 200 (1) without colliding with the signal sent from the RFID tag (200).

Referring to FIG. 6B, when one-byte data corresponding to '10110010' is transmitted from a predetermined RFID tag 200 (1) by being coded and transmitted by the Manchester coding method, at least one or more other RFID tags 200 (2) If one byte data corresponding to '10101010' is simultaneously encoded and transmitted by the Manchester coding method, the signal received by the RFID reader 565 is transmitted by the RFID tag 200 and the RFID tag 200. Signals transmitted from (200) (2) will be superimposed and received, and the value of decoding the received signal will include a signal pattern that cannot be read other than the rising and falling boundaries corresponding to the Manchester coding scheme.

That is, when a signal pattern other than the rising boundary and the falling boundary following the mentor test coding method exists in the data received and decoded by the RFID reader 565 as shown in FIG. 6B, the RFID reader 565 receives the received data. The detected signal detects that at least two or more RFID tags 200 collide with each other.

7 is a diagram illustrating a process of recording response rank information on the RFID tag 200 according to one embodiment of the present invention.

In more detail, in FIG. 7, after a product to which an RFID tag 200 having an auxiliary ID information storage area is attached is shipped, a specific area (eg, the RFID terminal 500 is propagated in a predetermined RFID terminal 500). Is a process of assigning and recording a predetermined response rank to at least one RFID tag 200 provided in an area in which it is reached, and a person of ordinary skill in the art to which the present invention pertains to FIG. For reference, the RFID tag 200 may be manufactured at the time of manufacturing the RFID tag 200 and / or attaching the RFID tag 200 to a predetermined product and / or leaving the product to which the RFID tag 200 is attached. It will be easy to infer an implementation method of recording the predetermined response rank information.

In the present invention, recording the predetermined response rank information on the RFID tag 200 is dynamic through the predetermined RFID terminal 500 after the goods with the RFID tag 200 is shipped as shown in FIG. A method for recording the response ranking information, and manufacturing the RFID tag 200 and / or attaching the RFID tag 200 to a predetermined product and / or shipping the product with the RFID tag 200 attached thereto. It includes all the implementation methods for recording the predetermined response ranking information in the RFID tag 200 at this time, by which the present invention is not limited.

Referring to FIG. 7, the RFID terminal 500 allocates a predetermined response ranking information to at least one RFID tag 200 provided in a specific area and records a predetermined collision prevention algorithm (eg, slotted ALOHA). When a predetermined ID information request signal corresponding to a method collision avoidance algorithm or a binary tree method collision avoidance algorithm is transmitted (700), at least one or more RFID tags 200 provided in the specific area Each unique ID information is transmitted in response to the collision avoidance algorithm (705), and the RFID terminal 500 also receives unique ID information transmitted from at least one RFID tag 200 corresponding to the collision avoidance algorithm. do.

According to an embodiment of the present invention, the collision avoidance algorithm in the process 700 includes at least one collision equipment algorithm of a slotted ALOHA collision avoidance algorithm, or a binary tree collision avoidance algorithm. The present invention is not limited by the collision equipment algorithm.

When the unique ID information is received from the plurality of RFID tags 200 provided in the specific area as described above, the RFID terminal 500 corresponds to the collision avoidance algorithm and the plurality of RFID tags 200 provided in the specific area. In step 710, the receiving of the unique ID information is completed. The process of confirming completion of the unique ID information is processed corresponding to the used collision avoidance algorithm, and the present invention is not limited thereto.

If the reception of the unique ID information from the RFID tag 200 is completed (715), the RFID terminal 500 assigns a predetermined response rank to the received unique ID information (720).

According to an exemplary embodiment of the present invention, the RFID terminal 500 assigns the order in which the unique ID information is received by the RFID terminal 500 in response to the collision prevention algorithm as the response order of the RFID tag 200. It is desirable to.

According to another exemplary embodiment of the present invention, the RFID terminal 500 responds to the RFID tag 200 in response to a predetermined response rank allocation policy (not shown) among the received at least one piece of the plurality of unique ID information. It is preferable to assign. For example, when the RFID tag 200 is composed of an RFID tag 200 attached to a predetermined pallet and an RFID tag 200 attached to a plurality of goods placed on the pallet, the RFID terminal 500 may include a predetermined tag. A first rank may be allocated to the RFID tag 200 attached to the pallet according to the response ranking assignment policy, and sequentially assigned to the RFID tag 200 attached to the plurality of products located on the pallet, starting from the second rank. .

According to another exemplary embodiment of the present invention, the RFID terminal 500 assigns a response rank of the RFID tag 200 according to the use and / or purpose of the received at least one or more unique ID information. It is preferable. For example, if the RFID tag 200 is provided at predetermined sensors provided around a conveyor belt of a factory, the RFID terminal 500 may be configured to be configured according to the movement path of the conveyor belt. Response ranks can be assigned sequentially.

When the response rank corresponding to the unique ID information is allocated as described above, the RFID terminal 500 transfers the response rank information assigned to the RFID tag 200 corresponding to the unique ID information to each RFID tag 200. In order to transmit and record (725), the process of recording the response rank information by the RFID tag 200 to the RFID tag 200 is defined in the communication protocol and ISO / IEC 18000 series provided in the RFID tag 200 Corresponding to the specified air interface standard.

The wireless terminal checks whether the response ranking information has been recorded in the RFID tag 200 provided in the specific zone (730), and if the response rank information is provided to the RFID tag 200 provided in the specific zone. When recording is completed (735), the RFID terminal 500 associates each response rank information recorded in the RFID tag 200 provided in the specific area with the unique ID information, and then stores a predetermined storage medium (eg, RFID). And a memory unit 535 provided in the terminal 500 and / or a storage medium provided in a server on a network.

8 illustrates a process of reading unique ID information from the RFID tag 200 using response rank information according to an exemplary embodiment of the present invention.

In more detail, FIG. 8 shows a predetermined product recorded on the RFID tag 200 through the same process as that of FIG. 7 after the product to which the RFID tag 200 having the predetermined auxiliary ID information storage area is shipped. The RFID tag at the time of producing the response rank information and / or the RFID tag 200 and / or attaching the RFID tag 200 to a predetermined product and / or releasing the product to which the RFID tag 200 is attached. From the RFID tag 200 corresponding to the predetermined response rank among the at least one or more RFID tags 200 provided in a specific area in the predetermined RFID terminal 500 by using the predetermined response rank information recorded in the 200. It is about a process of reading predetermined unique ID information.

Referring to FIG. 8, the RFID terminal 500 may include an RFID tag for reading the unique ID information from a storage medium (eg, a memory unit 535 and / or a storage medium on a network) provided in the RFID terminal 500. A predetermined response ranking information corresponding to the RFID tag 200 which extracts predetermined response ranking information corresponding to 200 and / or reads out the unique ID information through a predetermined key input means provided in the RFID terminal 500. Input the response rank information (800) and generate a specific unique ID information request command for reading predetermined unique ID information from the RFID tag 200 corresponding to the response rank information (805).

According to an embodiment of the present invention, the specific unique ID information request command preferably includes a communication protocol corresponding to the response rank information and a standard defined in ISO / IEC 18000 series.

When a specific unique ID information request command is generated as described above, the RFID terminal 500 generates a predetermined ID information request signal corresponding to the specific unique ID information request command and generates the specific ID information through the predetermined RFID reader 565. At least one RFID tag 200 provided in an area is transmitted to the plurality of RFID tags 200 (810), and each RFID tag 200 provided in the specific area receives the ID information request signal (815).

Each RFID tag 200 that has received a predetermined ID information request signal corresponding to the specific unique ID information request command from the RFID terminal 500 includes response rank information included in the received ID information request signal and the corresponding RFID tag. By comparing the response ranking information included in the 200, it is determined whether predetermined unique ID information is transmitted to the RFID terminal 500 in response to the ID information request signal (820).

According to an embodiment of the present invention, each RFID tag 200 provided in the specific zone has response rank information included in the specific unique ID information request command to match response rank information provided in the corresponding RFID tag 200. In this case, the corresponding unique ID information is transmitted to the RFID terminal 500, and the response rank information included in the specific unique ID information request command and the response rank information included in the corresponding RFID tag 200 do not match. In this case, it is preferable that a communication protocol is defined to ignore the specific unique ID information request command.

If at least one RFID tag 200 provided in the specific zone records the response rank information corresponding to the response rank information included in the specific unique ID information request command, the RFID tag 200 has a predetermined uniqueness. It is determined to transmit the ID information to the RFID terminal 500 (825), the RFID tag 200, the transmission of the unique ID information is confirmed, extracts the predetermined unique ID information from the memory unit 210 to ISO / IEC The terminal transmits the data to the RFID terminal 500 according to the air interface defined in the 18000 series (830).

9 illustrates a process of reading unique ID information from the RFID tag 200 using response rank information according to another exemplary embodiment of the present invention.

In more detail, FIG. 9 shows a predetermined product recorded on the RFID tag 200 through the same process as that of FIG. 7 after the product to which the RFID tag 200 having the predetermined auxiliary ID information storage area is shipped. Response rank information, and / or the RFID tag 200 and / or the RFID tag 200 is attached to a predetermined product and / or the RFID tag 200 is shipped at the time of shipment By using the predetermined response rank information recorded in the tag 200, each unique ID information is not used from the at least one or more RFID tags 200 provided in a specific area in the predetermined RFID terminal 500 without using an anti-collision algorithm. It is about the process of reading it.

Referring to FIG. 9, the RFID terminal 500 generates a predetermined unique ID information request command for reading each unique ID information from at least one or more RFID tags 200 provided in a specific area (900). ), The unique ID information request command preferably includes a communication protocol corresponding to the response rank information and a standard defined in ISO / IEC 18000 series.

When the unique ID information request command is generated as described above, the RFID terminal 500 generates a predetermined ID information request signal corresponding to the unique ID information request command, and generates a predetermined ID information request signal in the specific area through the predetermined RFID reader 565. The RFID tag 200 is transmitted to at least one RFID tag 200 provided (905), and each RFID tag 200 provided in the specific zone receives the ID information request signal (910).

The plurality of RFID tags 200 in the specific area receiving the ID information request signal are defined in a communication protocol corresponding to response rank information stored in the memory unit 210 and a predetermined communication period (eg, response rank information). The response time of each RFID tag 200 is calculated by multiplying the communication period information (915), and it is checked whether the calculated response time is reached (920).

The RFID tag 200 (1), in which the calculated response rank corresponds to the first rank, extracts predetermined unique ID information from the memory unit 210 at the same time as calculating the response time to the RFID terminal 500. The RFID tag 200 (2) in which the calculated response rank corresponds to the second rank is transmitted (930), and the RFID tag 200 (1) transmits the unique ID information to the RFID terminal 500. After the communication period, the predetermined unique ID information is extracted from the memory unit 210 and transmitted to the RFID terminal 500 (950), based on the response time as described above, the predetermined unique unique from the memory unit 210 Extracting ID information and transmitting the ID information to the RFID terminal 500 is repeatedly performed for the plurality of RFID tags 200 provided in the specific area (945).

While transmitting the predetermined unique ID information of the RFID terminal 500 based on the calculated response time from the at least one or more RFID tags 200 provided in the specific area as described above, the RFID terminal 500 responds. While receiving predetermined unique ID information from the RFID tag 200 (N) having a rank of Nth (1, 2, 3,..., N), the RFID tag 200 is confirmed through a confirmation process as shown in FIG. Check whether a collision occurs (935).

If a collision with the RFID tag 200 occurs (940), the RFID tag 200 is provided with a duplicate response ranking in the specific zone, and / or an RFID tag that is not assigned valid response ranking information. Since 200 is newly added, the RFID terminal 500 performs a process as shown in FIG. 7 to reallocate and record response ranking information to the RFID tag 200 provided in the specific area.

According to the exemplary embodiment of the present invention, the RFID terminal 500 ends the process of receiving the unique ID information from the plurality of RFID tags 200 provided in the specific zone to perform the process as shown in FIG. Preferably, after receiving valid unique ID information from the plurality of RFID tags 200 provided in the specific zone, and reassigns the response rank information as shown in FIG. 7 only for the RFID tag 200 in which the collision occurred. You may do the recording process.

If reception of the unique ID information from the at least one or more RFID tags 200 provided in the specific area is completed (945), the RFID terminal 500 provides a predetermined RFID related service corresponding to the received unique ID information. In providing (955), the present invention is not limited by the RFID-related services.

According to the present invention, in at least one or more RFID tags storing the response ranking information, a predetermined RFID terminal and / or a predetermined slot Aloha scheme in the process of receiving predetermined RFID information from the RFID tag. There is an advantage in that the RFID information can be conveniently and quickly read from at least one or more RFID tags provided in a specific region without using a collision prevention algorithm including at least one binary tree scheme.

According to the present invention, in at least one RFID tag storing the response ranking information, the predetermined RFID terminal includes at least one predetermined slot Aloha scheme and / or binary tree scheme. There is an advantage in that RFID information selectively received from an RFID tag storing specific response rank information without using an anti-collision algorithm can be read.

Claims (12)

A transmission / reception unit for transmitting and / or receiving a predetermined RFID terminal and predetermined data (or signal), a memory unit including at least one field for storing data, and a data field provided in the memory unit through the transceiver unit. A wireless recognition tag, comprising: a control unit for reading predetermined data and controlling transmitting the read data to the RFID terminal. The memory unit, In addition to the unique ID information data field for storing the unique ID information data, characterized in that it further comprises a secondary ID information data field for storing response priority information (or secondary ID information) data for determining a predetermined response priority (Priority) , The control unit, Upon receiving the unique ID information request signal from the RFID terminal, the response time and / or response request time is calculated and / or determined using the response rank information (or auxiliary ID information) data included in the auxiliary ID information data field. And transmitting unique ID information stored in the unique ID information data field to the RFID terminal at the calculated and / or determined response time and / or response request time point. The method of claim 1, wherein the response ranking information (or auxiliary ID information) data is Wireless identification tag comprising a predetermined response sequence number. The method of claim 1, wherein the response ranking information (or auxiliary ID information) data is Comprise a predetermined numbering system and / or Or include at least one code system of an electronic product code (EPC) system, an ISO / IEC 15963 code system, a UID system, and / or A wireless identification tag, characterized in that it comprises a predetermined user-defined code system. The method of claim 1, wherein the control unit, When the RFID terminal requests unique ID information corresponding to specific response rank information (or auxiliary ID information), The response rank information (or auxiliary ID information) is compared with the response rank information (or auxiliary ID information) stored in the memory unit, and if the response rank information (or auxiliary ID information) matches, the unique ID information from the memory unit. Extracting and controlling transmission to the RFID terminal. The method of claim 1, wherein the control unit, The response time information (or auxiliary ID information) data stored in the memory unit is multiplied by a predetermined communication period to calculate a predetermined response time, and the unique response information is extracted from the memory unit by the calculated response time. Radio recognition tag, characterized in that for controlling the transmission to the terminal. The method of claim 5, wherein the communication period, And a predetermined wireless identification tag includes a minimum time for transmitting and receiving unique ID information with the RFID terminal. At least one radio recognition tag further comprising an auxiliary ID information storage area for storing response priority information (or auxiliary ID information) for determining a predetermined response priority in addition to the unique ID information storage area for storing unique ID information; An RFID terminal for processing predetermined data (or signal) transmission and reception, A command generation unit generating an ID information request command for requesting unique ID information with the at least two radio recognition tags; A transmitter for transmitting a predetermined ID information request signal including the ID information request command to the plurality of radio recognition tags; And And a receiving unit which receives each unique ID information for each response rank corresponding to response rank information (or auxiliary ID information) in the plurality of radio recognition tags. In addition to the unique ID information storage area for storing the unique ID information, at least one radio recognition tag further comprises a secondary ID information storage area for storing response priority information (or auxiliary ID information) for determining a predetermined response priority (Priority). In an RFID terminal, predetermined information (or data) is recorded. An auxiliary ID information generation / extraction unit which generates and / or extracts predetermined response rank information (or auxiliary ID) data to be recorded in the auxiliary ID information storage area included in the radio recognition tag from a predetermined memory; And And an information recording unit for recording the response rank information (or auxiliary ID) data generated and / or extracted by the auxiliary ID information generating / extracting unit in the auxiliary ID information storage area provided in the radio recognition tag. terminal. In addition to the unique ID information storage area for storing the unique ID information, a plurality of radio recognition tag and a predetermined ID further comprises a secondary ID information storage area for storing response priority information (or auxiliary ID information) for determining a predetermined response priority (Priority) An RFID terminal for processing data (or signal) transmission and reception of When processing a transmission / reception of predetermined data (or signal) with a specific radio recognition tag among the plurality of radio recognition tags, corresponding to the response rank information (or auxiliary ID information) stored in the secondary ID information storage area of the specific radio identification tag. A command generator for generating an information request command; A transmitter for transmitting a predetermined information request signal including the information request command to the radio recognition tag; And And a receiver configured to receive unique ID information from a radio recognition tag that stores response rank information (or auxiliary ID information) corresponding to the information request command included in the information request signal. In addition to the unique ID information data field for storing the unique ID information data, the memory unit further comprises a secondary ID information data field for storing response priority information (or auxiliary ID information) data for determining a predetermined response priority (Priority) Radio recognition tag; And An auxiliary ID information generation / extraction unit for generating and / or extracting predetermined response rank information (or auxiliary ID) data to be recorded in the auxiliary ID information storage area included in the radio recognition tag, and / or from a predetermined memory, and the auxiliary ID information And an RFID terminal including an information recording unit for recording the response rank information (or auxiliary ID) data generated and / or extracted by the generation / extraction unit into the auxiliary ID information storage area provided in the radio tag. RFID operation system. In addition to the unique ID information data field for storing the unique ID information data, the memory unit further comprises a secondary ID information data field for storing response priority information (or auxiliary ID information) data for determining a predetermined response priority (Priority) A plurality of radio recognition tags; And And a RFID terminal for transmitting a predetermined information request signal to the plurality of radio recognition tags. The plurality of radio recognition tag, Upon receiving the information request signal transmitted from the RFID terminal, the response time and / or response request time is calculated and / or determined using the response rank information (or auxiliary ID information) data included in the auxiliary ID information data field. And transmitting unique ID information stored in the unique ID information data field to the RFID terminal at the calculated and / or determined response time and / or response request time. In addition to the unique ID information data field for storing the unique ID information data, the memory unit further comprises a secondary ID information data field for storing response priority information (or auxiliary ID information) data for determining a predetermined response priority (Priority) A plurality of radio recognition tags; And Generate a request for information corresponding to response rank information (or auxiliary ID information) stored in the specific ID tag storage area in order to request a predetermined information from a specific ID tag among the plurality of ID tags; And an RFID terminal for transmitting a predetermined information request signal including the information request command to the plurality of radio recognition tags. The plurality of radio recognition tag, When receiving the information request signal transmitted from the RFID terminal, the response rank information (or auxiliary ID information) corresponding to the information request command included in the information request signal is stored in the auxiliary ID information data field (or auxiliary ID information). Information) and transmits unique ID information stored in the unique ID information data field to the RFID terminal only in response to the information request signal.

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