Hirofumi Sasaki

28 papers B 3Journal 9Unranked 16
YearRankTypeTitle / Venue / Authors
2025 — conf
Sub-Thz Wireless Transmission with Photonic-Assisted Two-Dimensional Beamformer Using Optical Butler Matrix Circuits.
ECOC
Honoka Ito, Ken Hiraga, Hirofumi Sasaki, Riichi Kudo
2025 J jnl
Toward 6G Evolution: Three Enhancements, Three Innovations, and Three Major Challenges.
IEEE Netw.
Rohit Singh, Aryan Kaushik, Wonjae Shin, Marco Di Renzo, Vincenzo Sciancalepore, Doohwan Lee, Hirofumi Sasaki, Arman Shojaeifard, Octavia A. Dobre
2024 J jnl
1.58 Tbps OAM Multiplexing Wireless Transmission With Wideband Butler Matrix for Sub-THz Band.
IEEE J. Sel. Areas Commun.
Hirofumi Sasaki, Yasunori Yagi, Riichi Kudo, Doohwan Lee
2024 J jnl
OAM-MIMO Multiplexing Transmission System for High-Capacity Wireless Communications on Millimeter-Wave Band.
IEEE Trans. Wirel. Commun.
Hirofumi Sasaki, Yasunori Yagi, Hiroyuki Fukumoto, Doohwan Lee
2024 B conf
Off-axis Reflector Antenna for OAM-MIMO Multiplexing Transmission and Its Experimental Evaluation in the Sub-THz Band.
GLOBECOM
Hirofumi Sasaki, Yasunori Yagi, Riichi Kudo, Doohwan Lee
2024 J jnl
Towards 6G Evolution: Three Enhancements, Three Innovations, and Three Major Challenges.
CoRR
Rohit Singh, Aryan Kaushik, Wonjae Shin, Marco Di Renzo, Vincenzo Sciancalepore, Doohwan Lee, Hirofumi Sasaki, Arman Shojaeifard, Octavia A. Dobre
2023 — conf
Demonstration of 1.44 Tbit/s OAM Multiplexing Transmission in Sub-THz Bands.
ICC Workshops
Hirofumi Sasaki, Yasunori Yagi, Riichi Kudo, Doohwan Lee
2023 — conf
Parabolic Reflector for UCA-based OAM Multiplexing in Sub-THz Band and Transmission Experiment.
GLOBECOM (Workshops)
Yasunori Yagi, Hirofumi Sasaki, Riichi Kudo, Doohwan Lee
2022 — conf
Implementation and Evaluation of sub- THz OAM Multiplexing Transmission.
ICC Workshops
Hirofumi Sasaki, Yasunori Yagi, Tomoya Kageyama, Doohwan Lee
2022 J jnl
Prototyping of 40 GHz Band Orbital Angular Momentum Multiplexing System and Evaluation of Field Wireless Transmission Experiments.
IEEE Access
Yasunori Yagi, Hirofumi Sasaki, Doohwan Lee
2021 — conf
Demonstration of 8-Channel 32-Gbit/s QPSK Wireless Communications at 0.28-0.33 THz Using 2 Frequency, 2 Polarization, and 2 Mode Multiplexing.
OFC
Xinzhou Su, Huibin Zhou, Kaiheng Zou, Amir Minoofar, Hao Song, Runzhou Zhang, Kai Pang, Haoqian Song, Nanzhe Hu, Zhe Zhao, Ahmed Almaiman, Shlomo Zach, Moshe Tur, Andreas F. Molisch, Hirofumi Sasaki, Doohwan Lee, Alan E. Willner
2021 — conf
Experimental Demonstration of Free-Space sub-THz Communications Link Using Multiplexing of Beams Having Two Different LG Modal Indices.
ECOC
Amir Minoofar, Xinzhou Su, Huibin Zhou, Fatemeh Alishahi, Kai Pang, Kaiheng Zou, Runzhou Zhang, Shlomo Zach, Moshe Tur, Andreas F. Molisch, Hirofumi Sasaki, Doohwan Lee, Alan E. Willner
2021 — conf
Field Experiment of 117 Gbit/s Wireless Transmission Using OAM Multiplexing at a Distance of 200 m on 40 GHz Band.
ICC Workshops
Yasunori Yagi, Hirofumi Sasaki, Tomoki Semoto, Tomoya Kageyama, Takayuki Yamada, Jun Mashino, Doohwan Lee
2021 — conf
Modal Purity and LG Coupling of an OAM Beam Reflected by a Rough Surface for NLoS THz Links.
ICC Workshops
Xinzhou Su, Nanzhe Hu, Amir Minoofar, Hao Song, Huibin Zhou, Zhe Zhao, Runzhou Zhang, Kai Pang, Cong Liu, Kaiheng Zou, Haoqian Song, Brittany Lynn, Shlomo Zach, Moshe Tur, Andreas F. Molisch, Hirofumi Sasaki, Doohwan Lee, Alan E. Willner
2020 — conf
An Experimental Demonstration of over 100 Gbit/s OAM Multiplexing Transmission at a Distance of 100 m on 40 GHz Band.
ICC Workshops
Hirofumi Sasaki, Yasunori Yagi, Takayuki Yamada, Tomoki Semoto, Doohwan Lee
2020 — conf
Hybrid OAM Multiplexing using Butler Matrices toward over 100 Gbit/s Wireless Transmission.
GLOBECOM (Workshops)
Hirofumi Sasaki, Yasunori Yagi, Takayuki Yamada, Tomoki Semoto, Doohwan Lee
2020 — conf
Multipath and Receiver Aperture Effects in a THz Wireless Communications Link using OAM Multiplexing.
GLOBECOM (Workshops)
Xinzhou Su, Runzhou Zhang, Zhe Zhao, Hao Song, Amir Minoofar, Nanzhe Hu, Huibin Zhou, Kaiheng Zou, Kai Pang, Haoqian Song, Brittany Lynn, Shlomo Zach, Nadav Cohen, Moshe Tur, Andreas F. Molisch, Hirofumi Sasaki, Doohwan Lee, Alan E. Willner
2019 — conf
200 Gbit/s Wireless Transmission Using Dual-Polarized OAM-MIMO Multiplexing on 28 GHz Band.
GLOBECOM Workshops
Yasunori Yagi, Hirofumi Sasaki, Takayuki Yamada, Doohwan Lee
2019 — conf
Field Experimental Demonstration on OAM-MIMO Wireless Transmission on 28 GHz Band.
GLOBECOM Workshops
Hirofumi Sasaki, Yasunori Yagi, Takayuki Yamada, Doohwan Lee
2018 — conf
An Experimental Demonstration of 28 GHz Band Wireless OAM-MIMO (Orbital Angular Momentum Multi-Input and Multi-Output) Multiplexing.
VTC Spring
Doohwan Lee, Hirofumi Sasaki, Hiroyuki Fukumoto, Yasunori Yagi, Takana Kaho, Hiroyuki Shiba, Takashi Shimizu
2018 B conf
Experiment on Over-100-Gbps Wireless Transmission with OAM-MIMO Multiplexing System in 28-GHz Band.
GLOBECOM
Hirofumi Sasaki, Doohwan Lee, Hiroyuki Fukumoto, Yasunori Yagi, Takana Kaho, Hiroyuki Shiba, Takashi Shimizu
2017 B conf
Joint SDA-MAP Estimation of Channel and Interference Power in Superposed OFDM Transmission.
GLOBECOM
Yuto Kakizaki, Tomoaki Ohtsuki, Pooi-Yuen Kam, Kouhei Suzaki, Hirofumi Sasaki, Hideya So
2017 J jnl
Orbital Angular Momentum (OAM) Multiplexing: An Enabler of a New Era of Wireless Communications.
IEICE Trans. Commun.
Doohwan Lee, Hirofumi Sasaki, Hiroyuki Fukumoto, Ken Hiraga, Tadao Nakagawa
2017 — conf
Q-learning based superposed band detection in multicarrier transmission.
ICC
Ali Shaikh, Fereidoun H. Panahi, Tomoaki Ohtsuki, Kouhei Suzaki, Hirofumi Sasaki, Hideya So, Tadao Nakagawa
2010 J jnl
Design of a Multiple-Input SC DC-DC Converter Realizing Long Battery Runtime.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kei Eguchi, Sawai Pongswatd, Amphawan Julsereewong, Kitti Tirasesth, Hirofumi Sasaki, Takahiro Inoue
2006 J jnl
All Digital Dividing Ratio Changeable PLL Using Delay Clock Pulse with Low Jitter.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Mitsutoshi Yahara, Kuniaki Fujimoto, Hirofumi Sasaki, Takashi Shibuya, Yoshinori Higashi
2006 — conf
An Implementation of the Neuro-fuzzy Inference Circuit.
ICICIC (2)
Kuniaki Fujimoto, Hirofumi Sasaki, Yoichiro Masaoka, Ren-Qi Yang, Masaharu Mizumoto
2005 J jnl
A Voltage Controlled Oscillator with Up Mode Type Miller-Integrator.
IEICE Trans. Electron.
Mitsutoshi Yahara, Kuniaki Fujimoto, Hirofumi Sasaki