Resource Allocation for 3D Drone Networks Sharing Spectrum Bands. - Keiji Yoshikawa; Shota Yamashita; Koji Yamamoto 001; Takayuki Nishio; Masahiro Morikura (VTC Fall, 2017)

Optimal Primary Exclusive Region Design for Cognitive Radio VANETs on Multiple Roads. - Yuxiang Fu; Keiji Yoshikawa; Shota Yamashita; Koji Yamamoto 001; Takayuki Nishio; Masahiro Morikura (VTC Fall, 2018)

Grid-based Design for the 3D Primary Exclusive Region in UAV Networks. - Keiji Yoshikawa; Koji Yamamoto 001; Takayuki Nishio; Masahiro Morikura (CCNC, 2019)

Grid-Based Exclusive Region Design for 3D UAV Networks: A Stochastic Geometry Approach. - Keiji Yoshikawa; Koji Yamamoto 001; Takayuki Nishio; Masahiro Morikura (IEEE Access, 2019)

Blockage Prediction in an Outdoor mm Wave Environment by Machine Learning Employing a Top View Image. - Takahide Murakami; Keiji Yoshikawa; Akira Yamaguchi; Hiroyuki Shinbo (PIMRC, 2022)