17.1 A digitally assisted CMOS WiFi 802.11ac/11ax front-end module achieving 12% PA efficiency at 20dBm output power with 160MHz 256-QAM OFDM signal. - Yuen-Hui Chee; Fatih Golcuk; Toru Matsuura; Christopher Beale; James F. Wang; Osama Shana'a (ISSCC, 2017)