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Passive and semipassive ultrawideband (UWB) radio-frequency identification (RFID) technology has been recently proposed to offer high-accuracy localization capabilities in next-generation RFID systems. This technology relies on the modulation of backscattered signals, i.e., backscatter modulation, from multiple tags present in the environment. The detection of multiple tags based on backscattered...
UWB backscatter modulation paves the way to next generation RFID systems. This solution overcomes the main limitations of the current UHF technology in terms of robustness to multipath fading and localization capability. On the other hand, the design of UWB RFID systems presents several new aspects to deal with such as clutter, multi-user interference, and clock drift. This paper illustrates some...
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