Communication by Means of Thermal Noise: Toward Networks With Extremely Low Power Consumption

In this paper, the paradigm of thermal noise communication (TherCom) is put forward for future wired/wireless networks with extremely low power consumption. Taking backscatter (BackCom) and reconfigurable intelligent surface (RIS)-based radio frequency chain-free transmitters one step further, a noise-driven transmitter might enable zero-signal-power transmission by simply indexing resistors or other sources according to information bits. This preliminary paper aims shed light on theoretical foundations, transceiver designs, error performance derivations as well optimizations two emerging TherCom solutions: Kirchhoff-law-Johnson-noise (KLJN) secure bit exchange wireless modulation (TherMod) schemes. Our computer simulation findings reveal that variance detection, supported sample estimation carefully optimized decision thresholds, reliable way extracting embedded from modulated signals, even limited number samples.