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The principle of a passive chipless ultrawideband-enabled radio-frequency identification (UWB-RFID) and localization system is firstly introduced. A uniplanar monopole antenna with a size of only 23 ?? 23 ?? 0.508 mm is then designed. Six passive chipless tags based on the antenna structure are subsequently developed for the system application. The backscattering characteristics of the tags are theoretically...
Impulse-Radio Ultra Wideband (IR-UWB) is a promising technology for indoor localization due to its robustness against multipath interference. In this paper, localization of passive reflector based on backscattering range measurement is investigated. The theoretical performance bound is derived, which can be used for both performance evaluation and system design. A closed-form position estimation is...
A measurement technique, which is carried out in indoor non-anechoic-chamber environment and can be employed to extract the backscattering characteristics of ultra-wideband (UWB) antennas for radio frequency identification (RFID) systems, is developed and presented in this paper. To validate the measurement technique, a type of UWB antenna, i.e., printed circular-disc monopole antenna (PCDMA), is...
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