https://www.mdpi.com/1424-8220/19/5/1157/pdf
H Hwang, JH Lim, JH Yun, BJ Jeong - Sensors, 2019
Ambient backscatter communication enables passive sensors to convey sensing data on ambient RF signals in the air at ultralow power consumption. To extract data bits from such signals, threshold-based decoding has generally been considered …