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A novel design concept of a compact printable chipless RFID tag is presented. The tag consists of a triangular patch loaded with multiple triangular ‘Δ’ shaped slot resonators. Six copies of the identical patches are placed together to achieve a very compact long range chipless RFID tag. This symmetric frequency domain based tag has the advantage to be read from any orientation with the reader antennas...
A compact printable dual-polarized (DP) chipless RFID tag using slot length variation encoding technique in ‘I’ shaped slot resonators is presented in this paper with simulation and measurement results for barcode replacement. First, the ‘I’ shaped slot resonators are etched from a square metallic patch in both vertical (V) and horizontal (H) directions, which double the encoding capacity within a...
A novel compact printable dual-polarized (DP) chipless RFID tag is presented in this paper with simulation and measurement results. First, vertically (V) and horizontally (H) polarized ‘U’ shaped slot resonators are etched from two metallic patches to reuse the same frequency band in both V and H polarizations, which doubled the encoding capacity within a fixed bandwidth. Next, slot length variation...
A novel design of an ultra-low cost fully printable slot-loaded dual-polarized 16-bit chipless RFID tag is presented. The tag consists of four rectangular patches loaded with 16 slot resonators. Slots of same polarization for adjacent frequencies are placed alternately into two patches to reduce the mutual coupling between the slots. Then two similar sets are placed in horizontal and vertical polarization...
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