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Method for Optimizing the Multi-tag Processing Flow of RFID Reader and Writer

A processing flow and multi-label technology, applied in the field of radio frequency identification, to achieve the effect of improving efficiency, improving optimization effect, and being easy to implement

Active Publication Date: 2020-08-21
上海上大鼎正软件股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no corresponding technical solution for the issue of how to effectively deal with multi-tag anti-collision in the multi-tag processing flow of the RFID reader.

Method used

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  • Method for Optimizing the Multi-tag Processing Flow of RFID Reader and Writer
  • Method for Optimizing the Multi-tag Processing Flow of RFID Reader and Writer
  • Method for Optimizing the Multi-tag Processing Flow of RFID Reader and Writer

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Embodiment Construction

[0034] The specific embodiments provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0035] The reference signs and components involved in the accompanying drawings are as follows:

[0036] 1. Interface circuit module 2. MCU module

[0037] 3. Security module 4. FPGA module

[0038] 5.DA conversion module 6.AD conversion module

[0039] 7. Transmitting circuit module 8. Receiving circuit module

[0040] 9. Antenna

[0041] The reader-writer based on this implementation case is a reader-writer developed by our company that conforms to the military radio frequency identification air interface (GJB7377.1-2011), and its core structure diagram is as follows image 3 shown. The reader is composed of interface circuit module 1, MCU module 2, security module 3, FPGA module 4, DA conversion module 5, AD conversion module 6, transmitting circuit module 7, receiving circuit module 8 and so on. The transmitting circuit mo...

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Abstract

The invention relates to an RFID reader-writer multi-label processing flow optimization method. The method comprises the following steps: dividing response of an RFID tag to an inventory order into three types: having collision, having no reply and having reply, and setting an applicable decision criteria for a reader-writer; increasing decoding success rate of a signal processing module of the reader-writer for collision label reply information; optimizing recommended multi-label collision prevention processing flow in GJB7377.1-2011, deleting low-efficiency orders in multi-label processing and increasing utilization frequency of higher-efficiency orders; and setting continuous collision threshold and continuous idle threshold involved in the multi-label processing flow in the test experiment. The advantages are that the method can greatly reduce the probability of label omission of a military reader-writer during single-round inventory, and can improve label reading efficiency of the military reader-writer; and the method reduces idle time and collision time, and improves multi-label reading rate.

Description

technical field [0001] The invention relates to the technical field of radio frequency identification, and mainly relates to the optimization of a multi-label anti-collision process of a military reader-writer. Background technique [0002] The RFID system mainly includes RFID tags and RFID readers. Radio frequency identification is the use of readers to inventory one or more electronic tags. Military RFID reader is a type of radio frequency identification reader, which has the characteristics of high reliability, high stability, high security and so on. Multi-label inventory is an important part of the application of military RFID readers, and multi-label inventory is inseparable from the multi-label processing flow of military RFID readers. The advantages and disadvantages of the multi-tag processing flow directly affect the efficiency of the multi-tag inventory of the RFID reader. The key to optimizing the multi-tag processing flow of the RFID reader is how to effective...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K7/10G06K17/00
CPCG06K7/10029G06K17/0029
Inventor 刘春江凌国张真铭李向如
Owner 上海上大鼎正软件股份有限公司
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