H. Fujimoto, T. Hara, and K. Higuchi. Transmitter Filtering-aided Sparse Activity Detection for TDD-based Random Access. International Conference on Computing, Networking and Communications (ICNC 2024). 2024. 366-370
J. Saito, T. Hara, and K. Higuchi. Peak Cancellation Signal-Based Parallel PAPR Reduction Method Using Low-Dimensional Null Space in Massive MIMO-OFDM. International Conference on Computing, Networking and Communications (ICNC 2024). 2024. 361-365
A. Kakehashi, T. Hara, and K. Higuchi. Base Station-Driven PAPR Reduction Method Utilizing Null Space for MIMO-OFDM Systems With Amplify-and-Forward Relaying. IEEE Access. 2024. 12. 24714-24724
R. Kobayashi, T. Hara, Y. Yuda, and K. Higuchi. NOMA-Based Highly-Efficient Low-Latency HARQ with Inter-Base Station Cooperation for URLLC. IEICE TRANSACTIONS ON COMMUNICATIONS. 2023. E106-B. 11. 1219-1227
Y. Abekura and K. Higuchi. PAPR Reduction Utilizing Difference in Singular Values Among Spatial Channels in Uplink Eigenmode Massive MIMO Transmission. 57th Asilomar Conference on Signals, Systems, and Computers. 2023. 1-5