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We are now living in the information society, and having to face so much data and information everyday. These data and information are increasing continuously. We always spend much time on filtering these data, information for getting the useful data, information when we need to use them. What we need is an autonomous, active, capable, "information secretary". An autonomous evolutionary...
A new architecture of UHF (ultra high frequency) RFID (radio frequency identification) digital receiver for SoC (system-on-chip) implementation is presented in this paper. For the system requirements, the design uses a unique two-stage correlation algorithm to estimate the frequency of the received data which may have large frequency deviation and also to achieve fast data decoding. Considering the...
A high performance digital demodulator for RFID reader receiver is proposed. After carefully analyzing the characteristics of the received data, correlation operation is introduced into the demodulator to estimate the frequency of the received data and decode them. Simulation result indicates that this demodulator can work well under the 6dB input signal-to-noise ratio (SNR) with +/- 22% frequency...
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