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A decoder and decoding method for uhf RFID reader

A decoding method and reader-writer technology, which is applied in the direction of reading instruments, memory record carriers, induction record carriers, etc., can solve problems such as complex structure of the decoder, and achieve the effect of simple structure

Active Publication Date: 2018-08-28
SHENZHEN AEROSPACE INNOTECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The structure of the traditional decoder is more complex

Method used

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  • A decoder and decoding method for uhf RFID reader
  • A decoder and decoding method for uhf RFID reader
  • A decoder and decoding method for uhf RFID reader

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Experimental program
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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0031] Such as figure 1 As shown, a decoder for a UHF RFID reader includes a filter 101 for receiving the echo signal of an electronic tag, a level judgment module 102, a decoding module 103, a storage module 104, an interface control module 105 and a control module 106, wherein the output end of the filter 101 is connected to the level judging module 102, the output end of the level judging module 102 is connected to the decoding module 103, and the output end of the decoding module 103 is connected to the The storage module 104 is connected, the output end of the storage module 104 is connected to the interface control module 105, and the filter 101, decoding module 103, storage module 104, and interface control module 105 are respectively connected to the control module 106.

[0032] Such as figure 1 As shown, the reader uses the antenna t...

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PUM

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Abstract

The invention provides a decoder for a UHF RFID reader-writer. The decoder comprises a filter, a level determining module, a decoding module, a storage module, an interface control module and a control module, wherein the filter receives echo signals of an electronic label; and the output end of the filter is connected with the level determining module, the output end of the level determining module is connected with the decoding module, the output end of the decoding module is connected with the storage module, the output end of the storage module is connected with the interface control module, and the filter, the decoding module, the storage module and the interface control module are connected with the control module. The invention also provides a decoding method for the UHF RFID reader-writer. The decoder has the advantage of simpler structure.

Description

technical field [0001] The invention relates to a decoder, in particular to a decoder and a decoding method for a UHF RFID reader-writer. Background technique [0002] RFID is the abbreviation of Radio Frequency Identification, that is, radio frequency identification technology, which is a kind of automatic identification technology. It conducts non-contact two-way data communication through radio frequency to identify targets and obtain relevant data. [0003] In the RFID national standard and the national military standard air interface protocol, it is stipulated that the tag performs FM0 encoding or Miller encoding on the baseband data. [0004] The structure of the traditional decoder is more complex. Contents of the invention [0005] In order to solve the problems in the prior art, the invention provides a decoder and a decoding method for a UHF RFID reader. [0006] The invention provides a decoder for a UHF RFID reader, including a filter for receiving echo signa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K7/00
CPCG06K7/0008
Inventor 于波洪维娜
Owner SHENZHEN AEROSPACE INNOTECH