https://ieeexplore.ieee.org/iel7/6287639/6514899/08643727.pdf
B Ji, B Xing, K Song, C Li, H Wen, L Yang - IEEE Access, 2019
According to the limited communication distance and the low transmission efficiency for massive electronic tags/sensors of traditional or bistatic backscatter technology, the BackFi transmission protocol design with energy harvesting of massive smart …