Low-cost SDR based backscatter receiver and demodulator

Ricardo Torres,Ricardo Correia,Nuno Borges Carvalho

2022 IEEE 12th International Conference on RFID Technology and Applications (RFID-TA)（2022）

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摘要

The present work describes a low-cost SDR-based reader and demodulator for backscatter communications. This reader can receive and demodulate signals reflected by backscatter modules that reuse ambient waves using only open source tools. The receiver has low sensitivity and can demodulate several modulations; those demonstrated in this article are ASK and 4PAM.

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关键词

Software defined radio,Backscatter communication

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