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This paper presents a near-field antenna with significant reading area that is reconfigurable. This antenna is used to realize near-field radio frequency identification technology in the UHF band (UHF RFID) reader. The antenna is printed on a flexible plastic substrate and then cut to the desired dimensions to be positioned over the area where it is desired to carry out the reading of near-field UHF...
A segmented circular loop antenna designed for near-field UHF RFID applications is presented. The antenna has the form of a bracelet and it can be integrated directly into clothes. Therefore, it is possible to automatically identify small passive UHF tags.
The knowledge of binary RFID chip impedance is exploited for tag antenna design and applied to the NXP G2XL chip. The impedance states are measured with respect to frequency and input power on the chip. An analytical model is used to predict the optimal antenna impedance that corresponds to the maximum backscattered power from the tag. Automated antenna design tool with original shape generation is...
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