13.8 A 5.8GHz RF-powered transceiver with a 113μW 32-QAM transmitter employing the IF-based quadrature backscattering technique. - Atsushi Shirane; Haowei Tan; Yiming Fang; Taiki Ibe; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (ISSCC, 2015)

RF-Powered Transceiver With an Energy- and Spectral-Efficient IF-Based Quadrature Backscattering Transmitter. - Atsushi Shirane; Yiming Fang; Haowei Tan; Taiki Ibe; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (IEEE J. Solid State Circuits, 2015)