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http://dx.doi.org/10.5515/KJKIEES.2010.21.3.321

Design and Fabrication of Compressive Receiver for RFID Signal Detection  

Jo, Won-Sang (Victek Co. Ltd., R&D Center)
Park, Dong-Chul (Department of Radio Science & Engineering, Chungnam National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.21, no.3, 2010 , pp. 321-330 More about this Journal
Abstract
In this paper, the theoretical background and the specific implementation method of a compressive receiver for RFID signal detection as well as the design method of DDL(Dispersive Delay Line) and chirp LO are described. DDL, which is one of the main components of the compressive receiver, is designed to have $13{\mu}s$ dispersive delay time and 6 MHz bandwidth using the SAW technique based on $LiNbO_3$ material. The chirp LO is designed using DDS(Direct Digital Synthesizer). Also the compressive receiver is fabricated to be installed into the RFID reader. Test results show the maximum frequency error of 25 kHz for single signal input, the receiver sensitivity of -44 dBm, and the maximum frequency error is 75 kHz for 6 multi-tone input signals. These results indicate that the fabricated compressive receiver is working well even in dense RFID operating environments.
Keywords
Compressive Receiver; Chirp LO; DDS; DDL; Hamming Weighting; RFID;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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