Ken Hiraga

13 papers B 1Journal 11Unranked 1
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
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
2016 J jnl
Alignment Tolerance in Multiple-Stream Transmission Using Orthogonal Directivities under Line-of-Sight Environments.
IEICE Trans. Commun.
Maki Arai, Tomohiro Seki, Ken Hiraga, Kazumitsu Sakamoto, Tadao Nakagawa
2016 J jnl
Orthogonalized Directional MIMO Transmission Using Higher Order Mode Microstrip Antennas.
IEICE Trans. Commun.
Maki Arai, Tomohiro Seki, Ken Hiraga, Kazumitsu Sakamoto, Hideki Toshinaga, Tadao Nakagawa
2015 J jnl
A Novel ZF-Based Fast Beamforming Method for Short-Range MIMO Transmission.
IEEE Wirel. Commun. Lett.
Kazumitsu Sakamoto, Maki Arai, Ken Hiraga, Tomohiro Seki, Toshimitsu Tsubaki, Hideki Toshinaga, Tadao Nakagawa
2014 J jnl
A Study of Short-Range MIMO Transmission Utilizing Polarization Multiplexing for the Simplification of Decoding.
IEICE Trans. Commun.
Ken Hiraga, Kazumitsu Sakamoto, Kentaro Nishimori, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara
2014 J jnl
Analog Decoding Method for Simplified Short-Range MIMO Transmission.
IEICE Trans. Commun.
Ryochi Kataoka, Kentaro Nishimori, Takefumi Hiraguri, Naoki Honma, Tomohiro Seki, Ken Hiraga, Hideo Makino
2014 B conf
Performance measurement of broadband simple decoding in short-range MIMO.
PIMRC
Ken Hiraga, Kazumitsu Sakamoto, Tomohiro Seki, Toshimitsu Tsubaki, Hideki Toshinaga, Tadao Nakagawa
2014 J jnl
Spatial Division Transmission without Signal Processing for MIMO Detection Utilizing Two-Ray Fading.
IEICE Trans. Commun.
Ken Hiraga, Kazumitsu Sakamoto, Maki Arai, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara
2013 J jnl
Performance Evaluation of Short-Range MIMO Using a Method for Controlling Phase Difference between Each Propagation Channel.
IEICE Trans. Commun.
Kazumitsu Sakamoto, Ken Hiraga, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara
2012 J jnl
Effectiveness of Short-Range MIMO Using Dual-Polarized Antenna.
IEICE Trans. Commun.
Ken Hiraga, Tomohiro Seki, Kentaro Nishimori, Kazuhiro Uehara
2011 J jnl
Analyses of Antenna Displacement in Short-Range MIMO Transmission over Millimeter-Wave.
IEICE Trans. Commun.
Ken Hiraga, Tomohiro Seki, Kentaro Nishimori, Kenjiro Nishikawa, Ichihiko Toyoda, Kazuhiro Uehara
2011 J jnl
On the Transmission Method for Short-Range MIMO Communication.
IEEE Trans. Veh. Technol.
Kentaro Nishimori, Naoki Honma, Tomohiro Seki, Ken Hiraga