[C-12] Integrated Circuit and Devices

10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)

[C-12-18] A 57-71-GHz CMOS Phased-Array Transceiver with Aperture-Tuning Antenna Achieving 47.9-62.2% EIRP Efficiency Improvement

〇Minghao Fan¹, Yilun Chen¹, Zheng Li¹, Ziyuan Ren¹, Minzhe Tang¹, Junqing Liu¹, Yuxuan Liu¹, Dongfan Xu¹, Zezheng Liu¹, Yudai Yamazaki¹, Sena Kato¹, Kazuaki Kunihiro¹, Hiroyuki Sakai¹, Yuncheng Zhang¹, Kenichi Okada¹ (1. Institute of Science Tokyo)

Keywords:

Phased-Array Transceiver,60GHz Millimeter-wave,CMOS Circuit,Antenna

This paper presents a 57-71-GHz CMOS phased-array transceiver with a distributed aperture-tuning antenna for wide-coverage 5G NR FR2-2 operation. The proposed antenna-port shared tuners reconfigure the effective radiation aperture in TX and RX modes without an additional RF switch or PA power increase. Fabricated in 65-nm CMOS, the transceiver achieves EIRP improvements of 2.1 dB at 57 GHz and 1.7 dB at 71 GHz, corresponding to EIRP-efficiency improvements of 62.2% and 47.9%, respectively, in a compact 4 mm x 4 mm implementation.