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RFID-based agricultural product tracing batch tag information acquisition method

A technology of label information and acquisition method, applied in the field of agricultural product traceability, can solve problems such as inability to meet real-time requirements, and achieve the effects of shortening circulation time, improving throughput performance, and improving global throughput performance.

Inactive Publication Date: 2017-04-26
XIJING UNIV
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AI Technical Summary

Problems solved by technology

The current technology cannot meet the real-time requirements of the batch identification of the traceability system in the large-scale mobile label environment

Method used

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  • RFID-based agricultural product tracing batch tag information acquisition method
  • RFID-based agricultural product tracing batch tag information acquisition method
  • RFID-based agricultural product tracing batch tag information acquisition method

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specific Embodiment approach

[0091] Such as Figure 4 As shown, an RFID-based agricultural product traceability batch label information acquisition method is given, and its embodiment is given.

[0092] Global throughput performance is an important indicator to measure the performance of RFID batch recognition. Global throughput is defined as the ratio of the time taken to transmit useful information to the total time consumed in the recognition cycle to complete the identification of all tags within the coverage of the reader within the entire recognition cycle. Compare. The global throughput performance of the DENFF algorithm proposed in this paper is compared with that of the Q algorithm. Q in DENFF algorithm 0 The value is the true value of the frame length of the first frame, and the Q value in the Q algorithm is the logarithmic value of the frame length (base 2). In order to maintain the consistency of the parameters for comparison, the Q in the DENFF algorithm 0 It is set to 1024, and the Q valu...

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Abstract

The invention discloses an RFID-based agricultural product tracing batch tag information acquisition method and an RFID-based agricultural product tracing system. A whole process tracing model and a warehouse model of the tracing system are built; an EPCglobal C1 Gen2 standard-based DFSA tag anti-collision method is designed; a new frame length adjustment method is given; an initial tag number is estimated by utilizing a successful timeslot number of a first frame, an empty timeslot number and a collided timeslot number; and the timeslot global throughput performance of the frame length is adaptively adjusted to be optimal in subsequent identification. Compared with an algorithm adopted by widely applied standards such as EPCglobal C1 Gen2 standards and the like, the improved method provided by the invention has the advantage that the throughput performance is improved by 30%.

Description

technical field [0001] The invention belongs to the technical field of traceability of agricultural products, and in particular relates to an RFID-based method for acquiring batch label information of traceability of agricultural products. Background technique [0002] In recent years, radio frequency identification technology (Radio Frequency Identification, RFID) has been widely used in various industrial and commercial fields due to its advantages such as non-contact reading, large storage capacity of tags, writable and readable stored information, and safe and reliable information transmission. Especially as a key technology of the Internet of Things, RFID has been widely used in agricultural product traceability and tracking, which can meet the needs of agricultural product traceability and tracking management. Wagne proposed to verify food label data through monitoring, sampling and other methods in the whole process of agricultural product production and logistics tra...

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Application Information

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IPC IPC(8): G06K17/00
CPCG06K17/0022
Inventor 王祖良袁虎林
Owner XIJING UNIV
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