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A multi-band multi-standard RFID reader SoC is described in this paper. It can be software-reconfigured to support mostly used protocols in UHF, 2.45GHz and 13.56MHz frequency bands. The single-chip reader integrates a RF transceiver, a synthesizer, ADCs/DACs and a digital baseband modem. It achieves >;0dBm RX P1dB and >;4dBm TX power (without external PAs) for all bands and RX sensitivity down...
In this paper the implementation of a configurable hardware for an UHF RF identification (RFID) tag emulator at 868 MHz is demonstrated. The tag emulator is used for reader performance verification under worst case conditions. The characteristics of a tag can precisely be emulated: reflection coefficient dependent on received signal strength, variation of the frequency, and timing jitter of the backscattered...
Electronic toll collection system, developed and spread rapidly in recent years, is a kind of modern traffic toll collection means based on RFID technology. In this paper, some parameters of the physical layer defined by the national specifications of China on ETC&DSRC, GB/T20851-2007, are listed out and then a budget analysis is made to estimate the gain of antenna, the radiation power and the...
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