J. Saito, N. Nonaka, and K. Higuchi. PAPR Reduction Using Null Space in MIMO Channel Considering Signal Power Difference Among Transmitter Antennas. IEEE Wireless Communications and Networking Conference 2023 (WCNC2023). 2023. 1-5
Y. Muroki, Y. Murakami, Y. Kishiyama, and K. Higuchi. Random Access Identifier-Linked Receiver Beamforming with Transmitter Filtering in TDD-Based Random Access. IEICE TRANSACTIONS ON COMMUNICATIONS. 2022. E105-B. 12. 1548-1558
J. Tani and K. Higuchi. Online Probabilistic Activation Control of Base Stations Utilizing Temporal System Throughput and Activation States of Neighbor Cells for Heterogeneous Networks. IEICE TRANSACTIONS ON COMMUNICATIONS. 2022. E105-B. 11. 1458-1466
A. Kakehashi, N. Nonaka, and K. Higuchi. PAPR Reduction Using Null Space in MIMO Channel Based on Signal Processing at Base Station for Downlink AF-Based Relaying MIMO-OFDM Signals. IEEE 96th Vehicular Technology Conference (VTC2022-Fall). 2022. 1-6
Y. Sekiguchi, N. Nonaka, and K. Higuchi. PAPR Reduction of OFDM Signals Using Null Space in MIMO Channel for MIMO Amplify-and-Forward Relay Transmission. IEICE TRANSACTIONS ON COMMUNICATIONS. 2022. E105-B. 9. 1078-1086