Tatsuhiko Iwakuni

According to our database, Tatsuhiko Iwakuni authored at least 20 papers between 2013 and 2026.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2026

Null-Space Expansion Applications to MIMO with Distributed Antennas.

Makoto Taromaru, Hidekazu Murata, Masaharu Abiru, Yuki Ohi, Shohei Kobayashi, Tatsuhiko Iwakuni, Daisei Uchida, Takafumi Fujita

IEICE Trans. Commun., 2026

2025

Experimental Performance Evaluation of Frequency-Domain Linear MIMO Reception Using Null-Space Expansion Technique.

Yuki Ohi, Shohei Kobayashi, Hidekazu Murata, Makoto Taromaru, Tatsuhiko Iwakuni, Daisei Uchida, Takafumi Fujita

Proceedings of the 101st IEEE Vehicular Technology Conference, 2025

Retraining-Free Blockage Prediction for Millimeter-Wave Communications Based on Minor Components of Angular Power Profiles.

Xiaoqing Tong, Kohei Mitani, Kazunori Hayashi, Koji Yamamoto, Takuto Arai, Shuki Wai, Tatsuhiko Iwakuni, Daisei Uchida

Proceedings of the Asia Pacific Signal and Information Processing Association Annual Summit and Conference, 2025

2024

Leveraging Acoustic AoA to Enhance mmWave Beam Search-Based Blockage Prediction: An Experimental Study.

Ryosuke Hanahara, Itsuki Yonemura, Koji Yamamoto, Takuto Arai, Shuki Wai, Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita

IEEE Trans. Veh. Technol., October, 2024

Performance of Linear MIMO Receiver Using Null-Space Expansion Technique over Time-Variant Channels.

Shohei Kobayashi, Yuki Ohi, Hidekazu Murata, Makoto Taromaru, Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita

Proceedings of the 100th IEEE Vehicular Technology Conference, 2024

Experimental Performance of Null-Space Expanded MIMO Reception Technique.

Shohei Kobayashi, Yuki Ohi, Hidekazu Murata, Makoto Taromaru, Tatsuhiko Iwakuni, Daisei Uchida, Takafumi Fujita

Proceedings of the 29th IEEE Asia Pacific Conference on Communications, 2024

2023

Fast Beam Search Based on Recorded Combinations for Distributed Massive MIMO Systems Using Sub-THz Wave Bands.

Shuki Wai, Tatsuhiko Iwakuni, Takuto Arai, Daisei Uchida, Naoki Kita

IEEE Trans. Veh. Technol., August, 2023

Handover Experiment of 60-GHz-Band Wireless LAN in over 200-km/h High-Speed Mobility Environment.

Tatsuhiko Iwakuni, Daisei Uchida, Takuto Arai, Shuki Wai, Naoki Kita

IEICE Trans. Commun., April, 2023

A Beam Search Method with Adaptive Beam Width Control Based on Area Size for Initial Access.

Takuto Arai, Daisei Uchida, Tatsuhiko Iwakuni, Shuki Wai, Naoki Kita

IEICE Trans. Commun., April, 2023

Null-Space Expansion Technique for Linear MIMO Reception over Time-Variant Channels.

Yuki Ohi, Hidekazu Murata, Makoto Taromaru, Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita

Proceedings of the 97th IEEE Vehicular Technology Conference, 2023

Blockage Prediction Using Exhaustive Beam-Pair Scan in mmWave Networks: An Experimental Study.

Itsuki Yonemura, Takamochi Kanda, Ryosuke Hanahara, Koji Yamamoto, Takuto Arai, Shuki Wai, Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita

Proceedings of the 20th IEEE Consumer Communications & Networking Conference, 2023

2021

Millimeter-Wave Handover Experiment in 293 km/h Mobility Environment using Position Estimated from Wireless Communication Signal.

Tatsuhiko Iwakuni, Daisei Uchida, Shuki Wai, Naoki Kita

Proceedings of the 94th IEEE Vehicular Technology Conference, 2021

2018

Experimental Verification of Null-Space Expansion for Multiuser Massive MIMO via Channel State Information Measurement.

Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Masataka Iizuka

IEICE Trans. Commun., 2018

2017

Null-Space Expansion for Multiuser Massive MIMO Inter-User Interference Suppression in Time Varying Channels.

Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Takuto Arai, Masataka Iizuka

IEICE Trans. Commun., 2017

Antenna Array Arrangement for Massive MIMO to Reduce Channel Spatial Correlation in LOS Environment.

Takuto Arai, Atsushi Ohta, Yushi Shirato, Satoshi Kurosaki, Kazuki Maruta, Tatsuhiko Iwakuni, Masataka Iizuka

IEICE Trans. Commun., 2017

2016

First Eigenmode Transmission by High Efficient CSI Estimation for Multiuser Massive MIMO Using Millimeter Wave Bands.

Kazuki Maruta, Tatsuhiko Iwakuni, Atsushi Ohta, Takuto Arai, Yushi Shirato, Satoshi Kurosaki, Masataka Iizuka

Sensors, 2016

Experimental Verification of Null-Space Expansion for Multiuser Massive MIMO Using Measured Channel State Information.

Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Takuto Arai, Masataka Iizuka

Proceedings of the IEEE 84th Vehicular Technology Conference, 2016

Correlation-based user scheduling and multi-planar parallelogram array for Massive antenna systems.

Takuto Arai, Atsushi Ohta, Satoshi Kurosaki, Kazuki Maruta, Tatsuhiko Iwakuni, Masataka Iizuka

Proceedings of the 27th IEEE Annual International Symposium on Personal, 2016

2015

Inter-user interference suppression in time varying channel with null-space expansion for multiuser massive MIMO.

Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Takuto Arai, Masataka Iizuka

Proceedings of the 26th IEEE Annual International Symposium on Personal, 2015

2013

Analysis of Wireless Channel Capacity in RoF-DAS over WDM-PON System.

Tatsuhiko Iwakuni, Kenji Miyamoto, Takeshi Higashino, Katsutoshi Tsukamoto, Shozo Komaki, Takayoshi Tashiro, Youichi Fukada, Junichi Kani, Naoto Yoshimoto, Katsumi Iwatsuki

IEICE Trans. Electron., 2013