Method for preventing RFID serial reading on multi-channel conveying line

A technology of RFID tags and conveyor lines, applied in electromagnetic radiation induction, instruments, induction record carriers, etc., can solve the problem of RFID tag string reading, ultra-high frequency RFID reading range can not be very accurate control, positioning and registration information is inaccurate and other problems, to prevent RFID serial reading, achieve accurate reporting, and read information better and more accurately

Pending Publication Date: 2020-08-28
上海双十信息科技有限公司
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  • Application Information

AI Technical Summary

Problems solved by technology

However, when UHF RFID reading devices are deployed on multiple channels, since the UHF RFID reading range cannot be precisely controlled, cross-reading cannot be well avoided only by limiting the transmission power of the reader or adjusting the angle of the antenna. Problem, RFID tag cross-reading often occurs, resulting in inaccurate positioning and registration information

Method used

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  • Method for preventing RFID serial reading on multi-channel conveying line
  • Method for preventing RFID serial reading on multi-channel conveying line
  • Method for preventing RFID serial reading on multi-channel conveying line

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Embodiment 1

[0022] The invention provides a method for preventing RFID cross-reading on a multi-channel transmission line, which is applied to a multi-channel transmission line. The system frame diagram is as follows figure 2 As shown, it includes a terminal server and an RFID reading device arranged on each channel, and each channel is also provided with a comparison server communicating with each RFID reading device and the terminal server, and its work flow is as follows figure 1 As shown, proceed as follows:

[0023] S1. After the comparison server receives the read information sent by the RFID reading device, it extracts the RFID tag information and compares it with the comparison information stored in the comparison server. If the comparison information corresponding to the tag information If the information does not exist, execute step S2, and if the comparison information corresponding to the tag information already exists, execute step S3.

[0024] The data structure of the rea...

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Abstract

The invention discloses a method for preventing RFID serial reading on a multi-channel conveying line. The method comprises the following steps: S1, after a comparison server receives reading information sent by RFID reading equipment, if comparison information corresponding to the label information does not exist, executing the step S2, and if the comparison information corresponding to the labelinformation exists, executing the step S3; S2, establishing comparison information of a RFID tag; S3, calling the comparison information of the RFID tag, and if an equipment identification code exists, determining that the number of reading times corresponding to the equipment identification code is n + 1; if not, newly establishing an equipment identification code and a corresponding reading frequency in the comparison information; and S4, sending the equipment identification code with the maximum reading frequency n and the RFID tag information to the terminal server. According to the method, by arranging the comparison server, delay analysis processing is carried out on read data, and RFID series reading is prevented, and accurate reporting of the data is realized.

Description

technical field [0001] The invention relates to an RFID reading method on a multi-channel transmission line, in particular to a method for preventing RFID cross-reading on a multi-channel transmission line, and belongs to the technical field of radio frequency identification. Background technique [0002] With the wide application of UHF RFID tags, logistics express, airport luggage, and warehouse goods are all affixed with UHF RFID tags for item identification and quantity inventory. However, when UHF RFID reading devices are deployed on multiple channels, since the UHF RFID reading range cannot be precisely controlled, cross-reading cannot be well avoided only by limiting the transmission power of the reader or adjusting the angle of the antenna. The problem is that RFID tag cross-reading often occurs, resulting in inaccurate positioning and registration information. Contents of the invention [0003] Purpose of the invention: In order to overcome the deficiencies in th...

Claims

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Application Information

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IPC IPC(8): G06K7/10
CPCG06K7/10019G06K7/10118
Inventor 杨华宜万兵彭福田
Owner 上海双十信息科技有限公司
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