Tatsuhiko Iwakuni

20 papers B 2C 1Journal 10Unranked 7
YearRankTypeTitle / Venue / Authors
2026 J jnl
Null-Space Expansion Applications to MIMO with Distributed Antennas.
IEICE Trans. Commun.
Makoto Taromaru, Hidekazu Murata, Masaharu Abiru, Yuki Ohi, Shohei Kobayashi, Tatsuhiko Iwakuni, Daisei Uchida, Takafumi Fujita
2025 — conf
Experimental Performance Evaluation of Frequency-Domain Linear MIMO Reception Using Null-Space Expansion Technique.
VTC2025-Spring
Yuki Ohi, Shohei Kobayashi, Hidekazu Murata, Makoto Taromaru, Tatsuhiko Iwakuni, Daisei Uchida, Takafumi Fujita
2025 — conf
Retraining-Free Blockage Prediction for Millimeter-Wave Communications Based on Minor Components of Angular Power Profiles.
APSIPA
Xiaoqing Tong, Kohei Mitani, Kazunori Hayashi, Koji Yamamoto, Takuto Arai, Shuki Wai, Tatsuhiko Iwakuni, Daisei Uchida
2024 C conf
Experimental Performance of Null-Space Expanded MIMO Reception Technique.
APCC
Shohei Kobayashi, Yuki Ohi, Hidekazu Murata, Makoto Taromaru, Tatsuhiko Iwakuni, Daisei Uchida, Takafumi Fujita
2024 J jnl
Leveraging Acoustic AoA to Enhance mmWave Beam Search-Based Blockage Prediction: An Experimental Study.
IEEE Trans. Veh. Technol.
Ryosuke Hanahara, Itsuki Yonemura, Koji Yamamoto, Takuto Arai, Shuki Wai, Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita
2024 — conf
Performance of Linear MIMO Receiver Using Null-Space Expansion Technique over Time-Variant Channels.
VTC Fall
Shohei Kobayashi, Yuki Ohi, Hidekazu Murata, Makoto Taromaru, Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita
2023 J jnl
A Beam Search Method with Adaptive Beam Width Control Based on Area Size for Initial Access.
IEICE Trans. Commun.
Takuto Arai, Daisei Uchida, Tatsuhiko Iwakuni, Shuki Wai, Naoki Kita
2023 — conf
Blockage Prediction Using Exhaustive Beam-Pair Scan in mmWave Networks: An Experimental Study.
CCNC
Itsuki Yonemura, Takamochi Kanda, Ryosuke Hanahara, Koji Yamamoto, Takuto Arai, Shuki Wai, Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita
2023 J jnl
Fast Beam Search Based on Recorded Combinations for Distributed Massive MIMO Systems Using Sub-THz Wave Bands.
IEEE Trans. Veh. Technol.
Shuki Wai, Tatsuhiko Iwakuni, Takuto Arai, Daisei Uchida, Naoki Kita
2023 J jnl
Handover Experiment of 60-GHz-Band Wireless LAN in over 200-km/h High-Speed Mobility Environment.
IEICE Trans. Commun.
Tatsuhiko Iwakuni, Daisei Uchida, Takuto Arai, Shuki Wai, Naoki Kita
2023 — conf
Null-Space Expansion Technique for Linear MIMO Reception over Time-Variant Channels.
VTC2023-Spring
Yuki Ohi, Hidekazu Murata, Makoto Taromaru, Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita
2021 — conf
Millimeter-Wave Handover Experiment in 293 km/h Mobility Environment using Position Estimated from Wireless Communication Signal.
VTC Fall
Tatsuhiko Iwakuni, Daisei Uchida, Shuki Wai, Naoki Kita
2018 J jnl
Experimental Verification of Null-Space Expansion for Multiuser Massive MIMO via Channel State Information Measurement.
IEICE Trans. Commun.
Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Masataka Iizuka
2017 J jnl
Antenna Array Arrangement for Massive MIMO to Reduce Channel Spatial Correlation in LOS Environment.
IEICE Trans. Commun.
Takuto Arai, Atsushi Ohta, Yushi Shirato, Satoshi Kurosaki, Kazuki Maruta, Tatsuhiko Iwakuni, Masataka Iizuka
2017 J jnl
Null-Space Expansion for Multiuser Massive MIMO Inter-User Interference Suppression in Time Varying Channels.
IEICE Trans. Commun.
Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Takuto Arai, Masataka Iizuka
2016 B conf
Correlation-based user scheduling and multi-planar parallelogram array for Massive antenna systems.
PIMRC
Takuto Arai, Atsushi Ohta, Satoshi Kurosaki, Kazuki Maruta, Tatsuhiko Iwakuni, Masataka Iizuka
2016 — conf
Experimental Verification of Null-Space Expansion for Multiuser Massive MIMO Using Measured Channel State Information.
VTC Fall
Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Takuto Arai, Masataka Iizuka
2016 J jnl
First Eigenmode Transmission by High Efficient CSI Estimation for Multiuser Massive MIMO Using Millimeter Wave Bands.
Sensors
Kazuki Maruta, Tatsuhiko Iwakuni, Atsushi Ohta, Takuto Arai, Yushi Shirato, Satoshi Kurosaki, Masataka Iizuka
2015 B conf
Inter-user interference suppression in time varying channel with null-space expansion for multiuser massive MIMO.
PIMRC
Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Takuto Arai, Masataka Iizuka
2013 J jnl
Analysis of Wireless Channel Capacity in RoF-DAS over WDM-PON System.
IEICE Trans. Electron.
Tatsuhiko Iwakuni, Kenji Miyamoto, Takeshi Higashino, Katsutoshi Tsukamoto, Shozo Komaki, Takayoshi Tashiro, Youichi Fukada, Junichi Kani, Naoto Yoshimoto, Katsumi Iwatsuki