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High-frequency RFID radio frequency signal monitoring system and method

A radio frequency signal and monitoring system technology, applied in the field of radio frequency identification, can solve the problems of unfavorable application and promotion, high cost, etc., and achieve the effect of wide application and low cost

Active Publication Date: 2021-03-26
BEIJING SMARTCHIP MICROELECTRONICS TECH COMPANY +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The special monitoring equipment for high-frequency RFID systems currently on the market is only provided by a few manufacturers, and the cost is high, which is not conducive to wide application and promotion

Method used

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  • High-frequency RFID radio frequency signal monitoring system and method
  • High-frequency RFID radio frequency signal monitoring system and method
  • High-frequency RFID radio frequency signal monitoring system and method

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Embodiment Construction

[0022] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0023] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0024] Aiming at the above-mentioned defects in the prior art, the present invention provides a high-frequency RFID radio frequency signal monitoring system and method, which adopts a general-purpose radio frequency signal waveform acquisition module such as an oscilloscope to perform waveform acquisition, and realizes waveform data by means of software algorithms. Signal processing, to complete the extraction of communicat...

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Abstract

The invention discloses a high-frequency RFID radio frequency signal monitoring system and method. The high-frequency RFID radio frequency signal monitoring system includes: waveform acquisition module, rectification and filtering module, data preprocessing module, and decoding module. The waveform acquisition module is used to collect the waveform data of the radio frequency signal between the reader and the transponder. The rectification and filtering module is coupled with the waveform acquisition module and is used for rectifying and filtering the waveforms collected by the waveform acquisition module. The data preprocessing module is coupled with the rectification and filtering module, and is used for digitally preprocessing the rectified and filtered waveform data. The decoding module is coupled to the data preprocessing module and is used to decode the digital data of the data preprocessing module to obtain communication data between the reader and the responder. The high-frequency RFID radio frequency signal monitoring system and method can use existing general-purpose equipment to monitor high-frequency radio frequency signals, have low implementation cost, and can be widely used.

Description

technical field [0001] The invention relates to radio frequency identification technology, in particular to a high-frequency RFID radio frequency signal monitoring system and method. Background technique [0002] Radio frequency identification (RFID) technology is a non-contact automatic identification technology realized by radio frequency communication. The RFID system includes a transponder and a reader. The reader encodes the downlink data to be sent, loads it on the carrier radio frequency signal with a specific modulation method, and sends it out through the antenna. After the transponder receives the radio frequency signal, it responds to the signal The downlink data sent by the reader is obtained by demodulation and decoding, and the uplink data returned by the transponder is encoded and modulated, and then sent to the reader through the transponder antenna. RFID systems can be divided into low frequency, high frequency and ultra high frequency according to the carr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B5/00H04W4/80H04W24/08
CPCH04W4/80H04W24/08H04B5/73H04B5/77
Inventor 王健窦志军于锡宁李靖
Owner BEIJING SMARTCHIP MICROELECTRONICS TECH COMPANY
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