DL MU-MIMO Field Trial with 5G Low SHF Band Massive MIMO Antenna. - Kenichiro Yamazaki; Toshifumi Sato; Yasushi Maruta; Tatsuki Okuyama; Jun Mashino; Satoshi Suyama; Yukihiko Okumura (VTC Spring, 2017)

Experimental evaluation of digital beamforming for 5G multi-site massive MIMO. - Tatsuki Okuyama; Satoshi Suyama; Jun Mashino; Shohei Yoshioka; Yukihiko Okumura; Kenichiro Yamazaki; Daisuke Nose; Yasushi Maruta (WPMC, 2017)

Outdoor DL MU-MIMO and Inter Access Point Coordination Performance of Low-SHF-Band C-RAN Massive MIMO System for 5G. - Yasushi Maruta; Kenichiro Yamazaki; Kohei Izui; Tatsuki Okuyama; Jun Mashino; Satoshi Suyama; Kanada Nakayasu; Toshifumi Sato; Yukihiko Okumura (VTC Spring, 2018)

Development and Evaluation of Low-SHF-Band C-RAN Massive MIMO System for 5G. - Yasushi Maruta (VLSI-DAT, 2019)

5G R&D Achievements for High-Data-Rate and Low-Power-Consumption Radio Access Technologies with Higher-Frequency-Band and Wider-Bandwidth Massive MIMO. - Yukihiko Okumura; Satoshi Suyama; Naoto Ishii; Yasushi Maruta; Akihiro Okazaki; Atsushi Okamura; Jun Terada; Takeshi Onizawa (VTC Spring, 2019)

Measuring Propagation Channel Variations and Reciprocity using 28 GHz Indoor Distributed Multi-user MIMO. - Noriaki Tawa; Toshihide Kuwabara; Yasushi Maruta; Tomoya Kaneko (RWS, 2020)