Kyohei Ichikawa, Tatsuki Iwata, Saya Onishi, Tomohiro Higuchi, Yuya Hirose, Naoki Sakai, Kenji Itoh, and Kousuke Miyaji, "A 64.4% Efficiency 5.8GHz RF Wireless Power Transfer Receiver with GaAs E-pHEMT Rectifier and 45.2μs MPPT Time SIDITO Buck-Boost Converter using VOC Prediction Scheme," to be presented at IEEE International Solid-State Circuits Conference (ISSCC), February 2024.