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Communication by means of modulated Johnson noise.


ABSTRACT: We present the design of a passive wireless communication method that does not rely on ambient or generated RF sources. Instead, the method modulates the Johnson (thermal) noise of a resistor to transmit information bits wirelessly. By selectively connecting or disconnecting a matched resistor to an antenna, the system can achieve data rates of up to 26 bps and distances of up to 7.3 m. This communication method operates at very low power, similar to that of an RFID tag, with the advantage of not requiring a preexisting RF signal to reflect.

SUBMITTER: Kapetanovic Z 

PROVIDER: S-EPMC9894108 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature

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Communication by means of modulated Johnson noise.

Kapetanovic Zerina Z   Morales Miguel M   Smith Joshua R JR  

Proceedings of the National Academy of Sciences of the United States of America 20221129 49


We present the design of a passive wireless communication method that does not rely on ambient or generated RF sources. Instead, the method modulates the Johnson (thermal) noise of a resistor to transmit information bits wirelessly. By selectively connecting or disconnecting a matched resistor to an antenna, the system can achieve data rates of up to 26 bps and distances of up to 7.3 m. This communication method operates at very low power, similar to that of an RFID tag, with the advantage of no  ...[more]

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