| 2024 | VTC | Beam Selection Method Based on Angle-Domain Adaptive Beam Grouping for Massive MIMO Analog Beamforming Using NOMA in Cellular Downlink. | Azusa Matsumoto, Nobuhide Nonaka, Takanori Hara, Kenichi Higuchi |
| 2023 | VTC | Clustering Method in Downlink Cell-Free MIMO Using Layered Partially Non-orthogonal ZF-Based Beamforming. | Daisuke Ishii, Takanori Hara, Nobuhide Nonaka, Kenichi Higuchi |
| 2023 | WCNC | PAPR Reduction Using Null Space in MIMO Channel Considering Signal Power Difference Among Transmitter Antennas. | Jun Saito, Nobuhide Nonaka, Kenichi Higuchi |
| 2022 | VTC | PAPR Reduction Using Null Space in MIMO Channel Based on Signal Processing at Base Station for Downlink AF-Based Relaying MIMO-OFDM Signals. | Asuka Kakehashi, Nobuhide Nonaka, Kenichi Higuchi |
| 2022 | VTC | Activation Control of Base Stations Based on Multi-agent DQN for Heterogeneous Networks. | Daiki Kato, Yuto Muroki, Nobuhide Nonaka, Kenichi Higuchi |
| 2022 | VTC | Experimental Trial aboard Shinkansen Test Train Running at 360 km/h for 5G Evolution. | Nobuhide Nonaka, Satoshi Suyama, Tatsuki Okuyama, Yuto Hama, Daisuke Kitayama, Takahiro Asai, Shoji Itoh, Anders Carlsson, Johan Furuskog, Magnus Wikstrm, Qiang Zhang, Kenichiro Kamohara, Fumitoshi Abe, Reiji Ishima |
| 2022 | VTC | Outdoor Experimental Trials on Deployments of Multiple Base Station Antennas for 28 GHz-Band Cooperated Digital Beamforming. | Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Takahiro Asai |
| 2022 | VTC | HARQ Using Hierarchical Tree-Structured Random Access Identifiers with Random Retransmission Time Back-Off in NOMA-Based Random Access. | Katsuya Yanai, Takanori Hara, Nobuhide Nonaka, Kenichi Higuchi |
| 2021 | VTC | HARQ Using Hierarchical Tree-Structured Physical Channel Identifiers in NOMA-Based Random Access for Multi-Packet Reception. | Megumi Asada, Nobuhide Nonaka, Kenichi Higuchi |
| 2021 | VTC | Outdoor Experimental Trials of 28 GHz Band Base Station Cooperation in High-Mobility Environment of Multiple Mobile Stations. | Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Takahiro Asai |
| 2021 | VTC | PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals in Multiple-Antenna AF Relay Transmission. | Yuki Sekiguchi, Nobuhide Nonaka, Kenichi Higuchi |
| 2021 | VTC | Investigation of Transmitter Filtering Method for Random Access with Channel Identifier Linked Receiver Beamforming. | Shogo Uchida, Nobuhide Nonaka, Kenichi Higuchi |
| 2020 | VTC | 28 GHz-Band Experimental Trial at 283 km/h Using the Shinkansen for 5G Evolution. | Nobuhide Nonaka, Kazushi Muraoka, Tatsuki Okuyama, Satoshi Suyama, Yukihiko Okumura, Takahiro Asai, Yoshihiro Matsumura |
| 2020 | VTC | Two Millimeter-Wave Base Station Cooperation Technologies in High-Mobility Environments for 5G Evolution. | Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Yukihiko Okumura, Takahiro Asai |
| 2020 | VTC | Outdoor Experimental Trials of Millimeter-Wave Base Station Cooperation with Digital Beamforming in High-Mobility Environments for 5G Evolution. | Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Yukihiko Okumura, Takahiro Asai |
| 2020 | VTC | User Group Selection Method in Multiuser MIMO-OFDM Transmission with Adaptive PAPR Reduction Using Null Space in MIMO Channel. | Shyunsei Shin, Nobuhide Nonaka, Kenichi Higuchi |
| 2020 | VTC | PC-Signal-Based PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals in Frequency-Selective Fading Channel. | Leon Yamaguchi, Nobuhide Nonaka, Kenichi Higuchi |
| 2019 | VTC | Indoor Experimental Trial in High SHF Wide-Band Massive MIMO Hybrid Beamforming. | Nobuhide Nonaka, Kazushi Muraoka, Satoshi Suyama, Jun Mashino, Kenichiro Kamohara, Manabu Sakai, Hiroki Iura, Masayuki Nakazawa, Yukihiko Okumura |
| 2018 | VTC | Indoor Experimental Trial on Hybrid 16-Beam Spatial-Multiplexing for High SHF Wide-Band Massive MIMO in 5G. | Manabu Sakai, Kenji Nakagawa, Hiroki Iura, Naofumi Iwayama, Akihiro Okazaki, Nobuhide Nonaka, Satoshi Suyama, Jun Mashino, Atsushi Okamura, Yukihiko Okumura |
| 2014 | VTC | Non-Orthogonal Multiple Access Using Intra-Beam Superposition Coding and SIC in Base Station Cooperative MIMO Cellular Downlink. | Nobuhide Nonaka, Yoshihisa Kishiyama, Kenichi Higuchi |
| 2014 | VTC | Investigation on Beamforming Control Methods in Base Station Cooperative Multiuser MIMO Using Block-Diagonalized Beamforming Matrix. | Nobuhide Nonaka, Yuichi Kakishima, Kenichi Higuchi |