KR101027962B1 - System for Tracing Moving Locatin Path - Google Patents

Abstract

The present invention relates to a system for tracking a location movement path of a wireless identification tag. The present invention relates to a plurality of terminals or tags for recording location information and time information with a wireless identification tag being moved, and to receive location information and time information from the terminal or tag and to store the memory. It includes a wireless identification tag to record.

Tag, time, location, speed

Description

System for Tracing Moving Locatin Path}

1 is a simplified block diagram of a system according to a preferred embodiment of the present invention.

2 is a simple flowchart according to a preferred embodiment of the present invention.

3 is a simple flowchart according to another preferred embodiment of the present invention.

4 is an exemplary data model for an information storage medium according to a preferred embodiment of the present invention.

<Description of main parts of drawing>

100: server 105: storage medium

110: receiving unit 115: confirmation unit

120: storage unit 125: moving speed derivation unit

130: moving time derivation unit 135: moving distance derivation unit

140: radio recognition tag 145: terminal (or tag)

150: movement path

The present invention relates to a wireless identification tag including a plurality of terminals or tags for recording location information and time information with a wireless identification tag being moved, and a wireless identification tag for receiving location information and time information from the terminal or tag and recording the same in a memory. The present invention relates to a position tracking path tracking system.

RFID systems incorporate the use of electromagnetic or electrostatic coupling within the radio frequency of the electromagnetic spectrum portion to identify certain objects in the field of distribution and logistics. This RFID system is a technology that can replace the barcode, which is less likely to be damaged than the barcode, and can read multiple tags at the same time at high speed. Even if an obstacle exists, it can be read, read and written, and reused.

In addition, low frequency RFID systems (30 kHz to 500 kHz) are used in short transmission areas of about 1.8 m or less, while high frequency RFID systems (850 MHz to 950 MHz and 2.4 GHz to 2.5 GHz) are used in long distance transmission areas of 27 m or more. It is widely used in inventory management, container / pallet / box management, automatic inspection, incoming and outgoing management, automatic sorting, rental goods management, counterfeit goods identification, anti-theft, cargo and goods tracking management.

However, in the conventional tracking and management of cargo and goods, it was only passive tracking management to check the location of the cargo or goods through a reader provided in the current cargo or goods location. Therefore, the reader is not provided along a predetermined path, but is located at a specific point (for example, a distribution center, a middle point of arrival, a middle point of departure, a regional point, etc.), and it is impossible to track freight or goods and track speed between points. It was.

An object of the present invention for resolving the above problems is a plurality of terminals or tags for recording location information and time information with a wireless recognition tag in motion, and receiving and recording the location information and time information from the terminal or tag in a memory. The present invention provides a system for tracking a location movement path of a wireless identification tag including a wireless identification tag.

The position movement path tracking system of a wireless recognition tag according to the present invention includes a plurality of terminals or tags for recording position information and time information with a wireless recognition tag in motion, and receive the position information and time information from the terminal or the tag and store them in a memory. And a wireless identification tag for recording.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. First, predetermined reference numerals are added to elements illustrated in the drawings. However, it is noted that the same components shown in different drawings are denoted by the same reference numerals as much as possible.

In addition, in the following description, in order to explain the embodiments of the present invention, specific details such as specific elements are illustrated, which are provided to help a more general understanding of the present invention, and the present invention may be practiced without these specific details. It will be apparent to those skilled in the art.

In addition, in describing 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.

1 is a simplified block diagram of a system according to a preferred embodiment of the present invention.

Referring to FIG. 1, in the movement tracking system of a wireless recognition tag 140 according to a preferred method, the wireless recognition tag 140 moving a predetermined path 150 and the wireless recognition tag 140 move. When passing through at least one check point on the path 150, the predetermined wireless identification tag 140 information is read from the wireless identification tag 140, and the read wireless identification tag 140 information and the terminal (or tag) are read. At least one terminal or tag 145 and at least one terminal or tag 145 included in at least one checkpoint for transmitting the unique information of the terminal to the server 100 on the network. 145 confirms the location information where the location is located, and associates the checked location information with the wireless identification tag 140 with time information when the wireless identification tag 140 passes the check point. It may be configured to include a server 100 to process and store in a predetermined storage medium 105.

Preferably, the RFID tag 140 may be attached or provided to an article or moving means for moving the predetermined path 150 including the check point according to the present invention.

In addition, the radio recognition tag 140 includes location information and current time information at which the terminal or tag 145 transmitted from the terminal or tag 145 provided at at least one or more checkpoints on the movement path 150 is located. Can be stored.

In addition, the radio recognition tag 140 performs a process for transmitting and receiving a radio frequency signal with a predetermined frequency band with the terminal or tag 145 for data exchange with the terminal or tag 145 provided at the checkpoint. An antenna unit, a receiver for converting a radio frequency signal received from the terminal or tag 145 through the antenna unit into a digital signal and providing the digital signal to a controller, and converting a digital signal provided from the controller into a predetermined radio frequency signal A control unit for controlling the transmitter and the overall function of the RFID tag 140, and controlling the reading of the digital signal received through the receiver and extracting a digital signal corresponding to the digital signal from the generation memory unit, and predetermined tag information. (Eg, tag unique information, etc.) and the terminal or tag 14 provided at the checkpoint. 5) may include a memory having a storage area for storing the location information and the current time information where the terminal or tag 145 is transmitted from.

Here, the receiver receives location information and current time information where the terminal or tag 145 provided (or applied) is provided from the terminal or tag 145 provided at the check point through the antenna unit.

The transmitter may include predetermined tag information (eg, radio identification tag unique information, location information where the terminal or tag 145 is located, etc.) requested by the terminal or tag 145 included in the check point. When generated or extracted through, the digital signal corresponding to the tag information to a predetermined radio frequency signal to transmit the generated or extracted tag information to the terminal or tag 145 provided at the check point through the antenna unit Modulation is provided to the antenna unit.

In addition, the control unit controls the overall function of the radio recognition tag, and through the receiving unit 110 to read and control the digital signal received in response to a request of the terminal or tag 145 provided at the check point A control logic for performing a function and controlling generating and / or extracting a predetermined digital signal from a memory to be transmitted to the terminal or tag 145 included in the checkpoint through the transmitter.

According to the present invention, the control unit may store location information and time information of the terminal or tag 145 provided from the terminal or tag 145 provided at the check point in a predetermined storage area on the memory. In this case, the controller may sequentially store the check points via the radio recognition tag 140 in chronological order.

The memory of the RFID tag 140 can be read / write by the controller, and stores predetermined tag information and is transmitted from the terminal or tag 145 provided at the check point. It may comprise a memory (eg, EEPROM) having a predetermined storage area for storing the location information and time information of the.

Preferably, the terminal or tag 145 provided at the check point transmits the location information and the current time information where the terminal or tag 145 is located to the wireless recognition tag 140 via the check point. It is to be stored in the storage area in the recognition tag 140.

In addition, the terminal or tag 145 reads predetermined wireless identification tag 140 information from the wireless identification tag 140 passing through at least one or more check points on the movement path 150, and reads the read wireless recognition. In the process of transmitting the tag 140 information and the unique information of the terminal (or tag) to the server 100 on the network, the time when the wireless identification tag 140 passes the check point to the server 100 You can send more information.

In addition, the server 100 may include at least one terminal or tag 145 included in the second check point when the wireless identification tag 140 reaches a second check point on the movement path 150. Receives the wireless identification tag 140 information of the at least one wireless identification tag 140 and the unique information of the terminal or the tag 145 from the second checkpoint from the terminal or the tag 145. Based on the unique information, the second location information on which the terminal or the tag 145 is located is checked, and the identified second location information and the wireless identification tag 140 information is determined by the wireless identification tag 140. The processing may be performed in association with the time information of the time point when passing through the second check point, and may be sequentially processed in association with the wireless identification tag 140 information in the storage medium 105 in correspondence with the previously stored position information and time information. .

In addition, according to the present invention, the server 100 is based on the at least two location information stored in association with the wireless identification tag 140 in the storage medium 105 for the wireless identification tag 140 Derivation of the predetermined moving distance information, using the time information stored in correspondence with each of the two or more location information, the movement required to pass through the location corresponding to the two or more location information, the wireless identification tag 140 Deriving time information, and using the derived movement distance information and the movement time information to calculate the position movement speed information of the radio recognition tag 140.

Preferably, the server 100 receives the radio recognition tag 140 information and the unique information of the terminal or tag 145 from the terminal or tag 145 to implement the above-described function. ), A confirmation unit 115 for confirming location information on which the terminal or tag 145 is located based on the unique information of the terminal or tag 145, and the identified location information and the wireless recognition tag 140. It may be configured to include a storage unit 120 to process the information in association with the time information of the time point when the wireless identification tag 140 passes the check point to store in a predetermined storage medium 105.

Here, the receiver 110 of the server 100 may further receive time information of the time point at which the wireless recognition tag 140 passes the check point from the terminal or the tag 145.

In addition, the checking unit 115 of the server 100, the time information when the time when the wireless identification tag 140 passes the check point from the terminal or tag 145 is not transmitted, the terminal Alternatively, in the process of receiving the wireless identification tag 140 information and the unique information of the terminal or the tag 145 from the tag 145, time information at the time of receiving the information may be further confirmed.

In addition, when the wireless identification tag 140 reaches the second check point on the movement path 150, the receiver 110 of the server 100 may include at least one terminal or the second check point. The tag 145 may further receive the radio recognition tag 140 information of the at least one radio recognition tag 140 and the unique information of the terminal or the tag 145 passing through the second check point.

In addition, the verification unit of the server 100 may further confirm second location information on which the terminal or the tag 145 is located based on the unique information of the terminal or the tag 145. The storage unit 105 processes the identified second location information and the wireless identification tag 140 information in association with time information when the wireless identification tag 140 passes the second check point. The wireless recognition tag 140 may be processed in association with information to sequentially store corresponding to pre-stored location information and time information.

According to a preferred embodiment, the server 100 is a moving distance to derive predetermined movement distance information based on at least two or more position information stored in association with the wireless identification tag 140 in the storage medium 105 Travel time information required for the wireless recognition tag 140 to pass through the locations corresponding to the two or more location information using the deriving unit 135 and the time information respectively stored corresponding to the two or more location information. To further include a movement time derivation unit 130 for deriving the movement speed calculation unit 125 for calculating the position movement speed information of the wireless recognition tag 140 using the derived movement distance information and the movement time information. Can be configured.

The moving distance deriving unit 135, the moving time deriving unit 130, and the moving speed calculating unit 125 will be described in more detail with reference to the following preferred embodiments.

On the other hand, according to a preferred embodiment of the present invention, the server 100 is characterized in that it comprises a predetermined recording medium for implementing the above-described function.

Here, the recording medium may be wirelessly recognized corresponding to at least one wireless recognition tag 140 passing through the checkpoint from at least one terminal or tag 145 included in at least one checkpoint on the movement path 150. Check the location information where the terminal or tag 145 is located based on the function of receiving tag 140 information and the unique information of the terminal or tag 145 and the unique information of the terminal or tag 145. And the identified location information and the wireless identification tag 140 information in association with the time information when the wireless identification tag 140 passes the check point and stored in a predetermined storage medium 105. A program for realizing a function is recorded.

In addition, the program recorded on the recording medium is further characterized in that the terminal or the tag 145 further realizes the function of receiving the time information of the time point when the radio recognition tag 140 passes the checkpoint, When receiving the wireless identification tag 140 information and the unique information of the terminal or tag 145 from the terminal or tag 145, it is further characterized in that the function of checking the time information at the time of receiving the information.

In addition, when the wireless identification tag 140 reaches a second check point on the movement path 150, the program may include at least one terminal or tag 145 provided at the second check point. A function of receiving the wireless identification tag 140 information of the at least one wireless identification tag 140 and the unique information of the terminal or the tag 145 passing through a check point of the terminal, and the unique information of the terminal or the tag 145. The function of identifying the second location information on which the terminal or tag 145 is located, and the identified second location information and the wireless identification tag 140 information based on the wireless identification tag 140. Is processed in association with the time information of the time point passing the second check point and processed in association with the wireless identification tag 140 information in the storage medium 105 and sequentially stored in response to previously stored position information and time information. It is characterized in that for realizing more functions.

In addition, the program has a function of deriving predetermined moving distance information based on at least two or more position information stored in association with the wireless identification tag 140 in the storage medium 105, and the two or more position information. A function of deriving travel time information required for the wireless identification tag 140 to pass through a location corresponding to the two or more location information by using the time information stored corresponding to each other, and the derived travel distance information and movement. It is further characterized in that the function of calculating the position movement speed information of the wireless identification tag 140 by using the time information.

2 is a simple flowchart according to a preferred embodiment of the present invention.

FIG. 2 is a preferred embodiment of the position movement and the path 150 or the movement speed tracking process of the radio recognition tag 140 according to the present invention. Referring to FIG. 2, the present embodiment includes at least two check points. The predetermined RFID tag included in the article or the moving means on the provided movement path 150 may be started from the process of moving.

Here, the check point on the movement path 150 is characterized in that it comprises a terminal (or tag) to read the predetermined data from the radio recognition tag 140, and transmits to the server 100 on the network.

In the process of the radio recognition tag 140 proceeding with the movement path 150, when approaching within the recognition range of the terminal N or the tag provided at the check point N on the movement path 150, The terminal or tag 145 transmits an activation command to the approaching RFID tag 140.

The radio recognition tag 140 that receives an activation command from the terminal or tag 145 is activated according to the activation command, and the terminal or tag 145 is tag specific information from the activated radio recognition tag 140. The readout is transmitted to the server 100 on the network and the wireless identification tag 140 information and the terminal specific information read from the wireless identification tag 140.

Then, the server 100 determines the location information of the radio recognition tag 140 based on the unique information of the terminal (or tag) transmitted from the terminal (or tag).

At this time, the server 100 preferably stores location information corresponding to the unique information of the terminal or the tag 145 in the storage medium 105.

In addition, the server 100 may check the time information for the radio recognition tag 140 to pass through the terminal. At this time, the time information for the radio recognition tag 140 to pass through the terminal is determined by the terminal. It may include a time at which the radio recognition tag 140 passes to the server 100 or a time at which the radio identification tag 140 information is received from the terminal.

Through the above process, when the location information (the location information of the wireless recognition tag 140) and the passing time information of the radio recognition tag 140 corresponding to the unique information of the terminal or the tag 145 are confirmed, the server ( 100 checks whether previously stored information corresponding to the RFID tag information exists in the storage medium 105.

At this time, if there is no pre-stored information corresponding to the information on the RFID tag 140 in the storage medium 105 (for example, the RFID tag 140 will pass through the terminal provided at the first checkpoint). Time, etc.), the server 100 stores the determined location information and the terminal passing time information of the radio recognition tag 140 in the storage medium 105.

However, if the pre-stored information corresponding to the radio recognition tag 140 information is in the storage medium 105, the server 100 determines the determined location information and the terminal passing time of the radio identification tag 140. By linking the information, it is sequentially stored in the information previously stored in the storage medium 105.

Subsequently, if there is no radio recognition tag 140 approaching and passing through the terminal N + 1 provided at the check point on the movement path 150, the location movement path of the radio recognition tag 140 according to the present embodiment. 150 or the movement speed tracking process ends.

On the other hand, if there is a radio recognition tag 140 to approach and pass through the terminal (N + 1) provided at the check point on the movement path 150, the position movement of the radio recognition tag 140 according to the present embodiment The path 150 or movement speed tracking process is performed repeatedly.

Meanwhile, in describing the embodiment of the figure, in addition, the server 100 is located on the movement path 150 in the process of moving the radio recognition tag 140 on the movement path 150. Moving distance information of the radio recognition tag 140 using predetermined information stored in the storage medium 105 of the server 100 in association with the terminal or the tag 145 provided in at least one check point, The movement time information and the movement speed information can be calculated.

Here, the storage medium 105 stores information necessary for calculating the movement distance information, the movement time information, and the movement speed information of the radio recognition tag 140, and the storage information of the storage medium 105 using the storage medium 105. The calculation of the movement distance information, the movement time information, and the movement speed information of the radio recognition tag 140 will be described in more detail through the data model of FIG. 3.

3 is a simple flowchart according to another preferred embodiment of the present invention.

3 is a view of another preferred embodiment of the position movement and the path 150 or the movement speed tracking process of the radio recognition tag 140 according to the present invention. The terminal location information and the corresponding time information of the check point via the RFID tag 140 are sequentially stored in the memory of the RFID tag 140.

Referring to FIG. 3, the illustrated embodiment may be started from a process in which a predetermined RFID tag 140 included in an article or a vehicle on a moving path 150 having at least two check points is moved. .

As described above, the check point on the movement path 150 is a terminal or tag 145 for transmitting and mounting predetermined data (eg, location information, time information, etc. of the terminal) to the radio recognition tag 140. It can be provided.

According to this drawing, in the process of the radio recognition tag 140 proceeding with the movement path 150, within the recognition range of the terminal N or the tag provided at the check point N on the movement path 150. When approaching (300), the terminal or tag 145 transmits an activation command to the approaching RFID tag 140 (305).

The radio recognition tag 140 provided with an activation command from the terminal or tag 145 is activated 310 according to the activation command, and at this time, the terminal or tag 145 is activated radio recognition tag ( In step 315, the terminal transmits location information and current time information of the terminal.

When the location information and the current time information of the terminal are transmitted from the terminal to the radio recognition tag 140, the radio recognition tag 140 stores the terminal location information and the current time information transmitted by the terminal in a tag memory. (320).

At this time, if there is no terminal location information previously stored in the memory in the RFID tag 140 and corresponding time information (325), the RFID tag 140 is the terminal location information and the current transmitted by the terminal The time information is first stored in the memory in the tag (330).

On the other hand, if the terminal location information and time information corresponding to the pre-stored in the memory in the RFID tag 140 is present (335), the RFID tag 140 is the terminal location information received from the terminal and corresponding thereto The time information is sequentially stored in the tag memory in association with the previously stored information (340).

After the terminal location information and the corresponding time information are stored in the memory in the tag through the above process, if the RFID tag 140 approaches the terminal N + 1 (345), the above-described process of FIG. 3 is repeated. It can be performed as.

However, in the case where the radio recognition tag 140 does not approach the terminal N + 1 (350), the radio recognition tag 140 is at least two pieces of terminal location information stored in a memory in a tag to the terminal and The time information corresponding thereto is transmitted (355).

Then, the terminal derives 360 moving distance information of the RFID tag 140 by referring to at least two pieces of terminal location information and corresponding time information transmitted from the RFID tag 140. In addition, the terminal derives movement time information of the RFID tag 140 with reference to the transmitted at least two terminal location information and corresponding time information (365).

In addition, the terminal may calculate the movement speed information of the radio recognition tag 140 with reference to the derived movement distance information and movement time information (370).

Figure 4 is a simplified data model illustration of an information storage medium 105 according to a preferred embodiment of the present invention.

Referring to FIG. 4, illustrated (A) shows a network from a terminal (or tag) provided at checkpoints 1, 2,... N located on the movement path 150 of the radio recognition tag 140. It is a simple example of the storage medium 105 for storing the unique information, the terminal unique information, the terminal location information and the passing time information transmitted to the server 100 via the wireless identification tag 140.

4A of FIG. 4 illustrates terminal specific information, location information, and pass information according to the movement path 150 of the radio recognition tag 140 having unique information of “00000001_0011”.

According to the above (a), it can be confirmed that the radio recognition tag 140 passes through a check point (1), a check point (2), a check point (3), ... and the like.

Here, it can be seen that the check point 1 has “Ter_00012”, the check point 2 has “Ter_00014”, and the check point 3 has terminal unique information of “Ter_00017”.

Therefore, the terminal ("Ter_00012") provided in the check point (1) at the time when the radio recognition tag 140 passes the check point (1) to the server 100 and the terminal specific information "Ter_00012" And the unique identification information “00000001_0011”, the location information of the terminal, the passing time information “12:02:27” of the wireless identification tag 140, and the transmitted information It is stored in the storage medium 105 in the server (100).

In addition, the terminal ("Ter_00014") provided in the check point (2) at the time when the radio recognition tag 140 passes the check point (2) to the server 100 and the terminal specific information "Ter_00014" and And the unique identification information “00000001_0011”, the location information of the terminal, and the transit time information “13:15:29” of the wireless identification tag 140, and the transmitted information It is stored in the storage medium 105 in the server 100 in association with the information provided from the check point (1).

In addition, the terminal ("Ter_00017") provided in the check point (3) at the time when the radio recognition tag 140 passes the check point (3) to the server 100 and the terminal specific information "Ter_00014" and And the unique information “00000001_0011”, the location information of the terminal, and the passing time information “14:36:41” of the radio recognition tag 140, and the transmitted information It is stored in the storage medium 105 in the server 100 in association with the information provided from the check point (1) and the check point (2).

4 (b) is an exemplary diagram of data on the moving speed information of the radio recognition tag 140 according to the present invention calculated with reference to the information stored in (a) of FIG.

Referring to (b) of FIG. 4, the time required for the radio recognition tag 140 to move from the check point 1 to the check point 2 is “1 hour 13 minutes 02 seconds”, and the movement distance is “150 km. "In this case, the movement speed information of the radio recognition tag 140 is" 123.97km / h ".

Here, the speed at which the RFID tag 140 moves from the check point 1 to the check point 2 is determined by the moving distance from the check point 1 to the check point 2 at the check point 1. It can be calculated through the operation of dividing by the travel time to the check point (2).

According to the present invention, the location movement path information and movement of the radio recognition tag by interworking radio identification tag unique information and at least one terminal (or tag) provided at at least one or more check points on the movement path of the radio identification tag. By tracking the speed, it is possible to confirm in real time the position movement information of the article or moving means including the RFID tag moving on a predetermined path in detail, and also to easily grasp the moving speed information of the article or moving means, For example, it is possible to calculate the optimum movement route and speed according to other surrounding requirements such as traffic conditions, or there is an advantage that it is easy to turn the route during the movement.

Claims (1)

A plurality of terminals or tags for recording location information and time information with the wireless recognition tag in motion; And And a wireless identification tag for receiving location information and time information from the terminal or tag and recording the same in a memory.

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