Riichi Kudo

67 papers B 18C 1Misc 1Journal 27Unranked 20
YearRankTypeTitle / Venue / Authors
2026 J jnl
28-GHz 5G Throughput Prediction for Blocking Obstacles Using Physical Space Information.
IEEE Access
Hisashi Nagata, Riichi Kudo, Kahoko Takahashi, Takayuki Yamada, Takafumi Fujita
2025 B conf
Demonstration of Real-Time OAM Multiplexing Over 100 Gb/s in E-Band.
WCNC
Tomoya Kageyama, Takayuki Yamada, Riichi Kudo, Masahiro Kawai, Shinichi Morimoto, Eisaku Sasaki, Atsushi Fukuda, Fumihiko Hada, Yasunori Suzuki
2025 — conf
Experimental Demonstration of Near-Field Spatial Multiplexing Using Parallel Aligned Airy Beams in Sub-THz Band.
ICC Workshops
Yasunori Yagi, Kosuke Suzuoki, Riichi Kudo, Doohwan Lee
2025 J jnl
Experimental Demonstration of Wireless Transmission Using Airy Beams in Sub-THz Band.
IEEE Open J. Commun. Soc.
Doohwan Lee, Yasunori Yagi, Kosuke Suzuoki, Riichi Kudo
2025 B conf
Physical Space Information Preprocessing for 5G Throughput Prediction on 28 GHz Channels.
WCNC
Hisashi Nagata, Riichi Kudo, Kahoko Takahashi, Takahiro Yamazaki, Takayuki Yamada, Takafumi Fujita
2025 J jnl
Real2Sim2Real for Point Cloud-Based mmWave Link Quality Prediction: An Empirical Study.
IEEE Trans. Veh. Technol.
Shoki Ohta, Takayuki Nishio, Riichi Kudo, Kahoko Takahashi, Hisashi Nagata
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
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 B conf
5G Throughput Prediction For 28 GHz Channels Using Physical Space Information.
WCNC
Hisashi Nagata, Riichi Kudo, Kahoko Takahashi, Takafumi Fujita, Koichi Takasugi, Yuya Aoki, Yuki Horise, Yoshifumi Morihiro
2024 B conf
Multiple UE Link Selection for 28GHz Channel in 5G Network.
WCNC
Tomoya Kageyama, Takayuki Yamada, Riichi Kudo, Yuya Aoki, Yoshifumi Morihiro
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
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
2023 J jnl
Point Cloud-based Proactive Link Quality Prediction for Millimeter-wave Communications.
CoRR
Shoki Ohta, Takayuki Nishio, Riichi Kudo, Kahoko Takahashi, Hisashi Nagata
2023 — conf
Robot-Network Co-optimization Using Deep Reinforcement Learning.
CCNC
Hiroaki Shinmiya, Takato Motoo, Takuya Fujihashi, Riichi Kudo, Kahoko Takahashi, Tomoki Murakami, Takashi Watanabe, Shunsuke Saruwatari
2023 B conf
Spatial Frequency-based Feature Extraction for Point Cloud-based Proactive mmWave Link Quality Prediction.
GLOBECOM
Shoki Ohta, Takayuki Nishio, Riichi Kudo, Kahoko Takahashi, Hisashi Nagata
2022 — conf
Millimeter-wave Received Power Prediction Using Point Cloud Data and Supervised Learning.
VTC Spring
Shoki Ohta, Takayuki Nishio, Riichi Kudo, Kahoko Takahashi
2022 — conf
QoE-driven Link Quality Prediction for Video Streaming in Mobile Networks.
VTC Spring
Yitu Wang, Riichi Kudo, Yuya Aoki, Yoshifumi Morihiro, Kahoko Takahashi, Hisashi Nagata
2022 B conf
Two-step wireless link quality prediction using multi-camera images.
PIMRC
Hisashi Nagata, Riichi Kudo, Kahoko Takahashi, Tomoaki Ogawa, Koichi Takasugi
2021 B conf
Correlation Discovery and Channel Prediction in Mobile Networks: A Revisiting to Gaussian Process.
GLOBECOM
Yitu Wang, Takayuki Nakachi, Takeru Inoue, Toru Mano, Riichi Kudo
2020 J jnl
Experimental Validation of Link Quality Prediction Using Exact Self-Status of Mobility Robots in Wireless LAN Systems.
IEICE Trans. Commun.
Riichi Kudo, Matthew Cochrane, Kahoko Takahashi, Takeru Inoue, Kohei Mizuno
2020 J jnl
Using vision-based object detection for link quality prediction in 5.6-GHz channel.
EURASIP J. Wirel. Commun. Netw.
Riichi Kudo, Kahoko Takahashi, Takeru Inoue, Kohei Mizuno
2018 — conf
Field Experiments on Sensor Data Transmission for 5G-Based Vehicle-Infrastructure Cooperation.
VTC Fall
Akihiro Ogawa, Shinsuke Kuroda, Katsunori Ushida, Riichi Kudo, Kiichi Tateishi, Hidenori Yamashita, Takuji Kantou
2018 — conf
Packet Collision Reduction Scheme for LTE V2X Sidelink Communications.
VTC Fall
Tomoki Maruko, Shinpei Yasukawa, Riichi Kudo, Satoshi Nagata, Mikio Iwamura
2015 — conf
Channel Access Acquisition Mechanism Coupled with Cellular Network for Unlicensed Spectrum.
VTC Spring
Riichi Kudo, B. A. Hirantha Sithira Abeysekera, Yasushi Takatori, Takeo Ichikawa, Masato Mizoguchi, Hiroto Yasuda, Akira Yamada, Yukihiko Okumura
2015 J jnl
User Equipment Centric Downlink Access in Unlicensed Spectrum for Heterogeneous Mobile Network.
IEICE Trans. Commun.
Riichi Kudo, B. A. Hirantha Sithira Abeysekera, Yusuke Asai, Takeo Ichikawa, Yasushi Takatori, Masato Mizoguchi
2015 J jnl
Weighted-Combining Calibration on Multiuser MIMO Systems with Implicit Feedback.
IEICE Trans. Commun.
Hayato Fukuzono, Tomoki Murakami, Riichi Kudo, Yasushi Takatori, Masato Mizoguchi
2014 J jnl
An advanced Wi-Fi data service platform coupled with a cellular network for future wireless access.
IEEE Commun. Mag.
Riichi Kudo, Yasushi Takatori, B. Hirantha Sithira Abeysekera, Yasuhiko Inoue, Atsushi Murase, Akira Yamada, Hiroto Yasuda, Yukihiko Okumura
2014 B conf
Attenuators enable inversely proportional transmission power and carrier sense threshold setting in WLANs.
PIMRC
Daichi Okuhara, Fumiya Shiotani, Koji Yamamoto, Takayuki Nishio, Masahiro Morikura, Riichi Kudo, Koichi Ishihara
2014 B conf
Combining calibration schemes on a real-time multiuser MIMO-OFDM system with implicit feedback.
PIMRC
Hayato Fukuzono, Tomoki Murakami, Riichi Kudo, Shoko Shinohara, Yasushi Takatori, Masato Mizoguchi
2014 J jnl
Maximum Likelihood Demodulators and Their Evaluations on Amplify-and-Forward Cooperative OFDM-Based Wireless LAN Systems.
IEICE Trans. Commun.
Hayato Fukuzono, Yusuke Asai, Riichi Kudo, Koichi Ishihara, Masato Mizoguchi
2013 — conf
A Novel Channel Estimation Scheme on Amplify-and-Forward Cooperative OFDM-Based Wireless LAN Systems.
VTC Spring
Hayato Fukuzono, Yusuke Asai, Riichi Kudo, Masato Mizoguchi
2013 J jnl
A channel state information feedback method for massive MIMO-OFDM.
J. Commun. Networks
Riichi Kudo, Simon Armour, Joe McGeehan, Masato Mizoguchi
2013 B conf
Channel state information feedback method for Massive MIMO OFDM.
PIMRC
Riichi Kudo, Simon Armour, Joe McGeehan, Masato Mizoguchi
2013 J jnl
Development and experimental validation of downlink multiuser MIMO-OFDM in gigabit wireless LAN systems.
EURASIP J. Adv. Signal Process.
Koichi Ishihara, Yusuke Asai, Riichi Kudo, Takeo Ichikawa, Yasushi Takatori, Masato Mizoguchi
2013 J jnl
Game-Theoretic Analysis of Multibandwidth Channel Selection by Coordinated APs in WLANs.
IEICE Trans. Commun.
Kohei Hanada, Koji Yamamoto, Masahiro Morikura, Koichi Ishihara, Riichi Kudo
2013 J jnl
Implementation and Evaluation of Real-Time Distributed Zero-Forcing Beamforming for Downlink Multi-User MIMO Systems.
IEICE Trans. Commun.
Tomoki Murakami, Koichi Ishihara, Riichi Kudo, Yusuke Asai, Takeo Ichikawa, Masato Mizoguchi
2013 J jnl
Performance Evaluation of Interference-Aware Multi-Cell Beamforming for an Overlapping Cells Environment.
IEICE Trans. Commun.
Tomoki Murakami, Riichi Kudo, Takeo Ichikawa, Naoki Honma, Masato Mizoguchi
2013 B conf
Weighted-combining calibration for implicit feedback beamforming on downlink multiuser MIMO systems.
PIMRC
Hayato Fukuzono, Tomoki Murakami, Riichi Kudo, Yasushi Takatori, Masato Mizoguchi
2012 — conf
CSI estimation method based on random beamforming for massive number of transmit antenna systems.
ISWCS
Riichi Kudo, Simon Armour, Joe McGeehan, Masato Mizoguchi
2012 C conf
Experimental evaluation of distributed ZF beamforming in an indoor multi-cell environment.
APCC
Tomoki Murakami, Koichi Ishihara, Riichi Kudo, Yusuke Asai, Takeo Ichikawa, Masato Mizoguchi
2012 Misc conf
Game-theoretic analysis for multibandwidth WLAN channel selection by coordinated APs.
ICCS
Kohei Hanada, Koji Yamamoto, Koichi Ishihara, Riichi Kudo, Masahiro Morikura
2012 — conf
Indoor Experiments of Real-Time MU-MIMO with CSI Feedback Scheme for Wireless LAN Systems.
VTC Spring
Koichi Ishihara, Yusuke Asai, Riichi Kudo, Takeo Ichikawa, Masato Mizoguchi
2012 B conf
Indoor experiments on real-time multiuser MIMO transmission in wireless LAN systems.
WCNC
Koichi Ishihara, Yusuke Asai, Riichi Kudo, Takeo Ichikawa, Masato Mizoguchi
2012 — conf
Self-interference canceller for full-duplex radio relay station using virtual coupling wave paths.
APSIPA
Kazunori Hayashi, Yasuo Fujishima, Megumi Kaneko, Hideaki Sakai, Riichi Kudo, Tomoki Murakami
2012 — conf
Successive Optimization Transmission for High and Low SNR Stations in Wireless LAN Systems.
VTC Fall
Riichi Kudo, Koichi Ishihara, Tomoki Murakami, B. Hirantha Sithira Abeysekera, Yusuke Asai, Masato Mizoguchi
2011 J jnl
A Band-Divided Receiver Prototype for Wideband Optical Signals.
IEICE Trans. Commun.
Munehiro Matsui, Riichi Kudo, Yasushi Takatori, Tadao Nakagawa, Koichi Ishihara, Masato Mizoguchi, Takayuki Kobayashi, Yutaka Miyamoto
2011 B conf
Blind frequency-dependent IQ imbalance compensation scheme using CMA for OFDM system.
PIMRC
Munehiro Matsui, Tadao Nakagawa, Riichi Kudo, Koichi Ishihara, Masato Mizoguchi
2011 — conf
Performance evaluation of distributed multi-cell beamforming for MU-MIMO systems.
ISWCS
Tomoki Murakami, Riichi Kudo, Yusuke Asai, Tomoaki Kumagai, Masato Mizoguchi
2011 — conf
User Selection for Multiuser MIMO Systems Based on Block Diagonalization in Wide-Range SNR Environment.
ICC
Riichi Kudo, Yasushi Takatori, Tomoki Murakami, Masato Mizoguchi
2010 J jnl
16×16 MIMO Testbed for MU-MIMO Downlink Transmission.
IEICE Trans. Commun.
Kentaro Nishimori, Riichi Kudo, Naoki Honma, Yasushi Takatori, Masato Mizoguchi
2010 J jnl
A Stochastic Approach to Design MIMO Antenna with Parasitic Elements Based on Propagation Characteristics.
IEICE Trans. Commun.
Naoki Honma, Kentaro Nishimori, Riichi Kudo, Yasushi Takatori, Takefumi Hiraguri, Masato Mizoguchi
2010 J jnl
Spatial Domain Resource Sharing for Overlapping Cells in Indoor Environment.
Int. J. Digit. Multim. Broadcast.
Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Takeo Ichikawa, Tomoki Murakami, Masato Mizoguchi, Masahiro Morikura
2009 — conf
16x16 Multiuser MIMO Testbed Employing Simple Adaptive Modulation Scheme.
VTC Spring
Kentaro Nishimori, Riichi Kudo, Naoki Honma, Yasushi Takatori, Masato Mizoguchi
2009 J jnl
A New User Selection Measure in Block Diagonalization Algorithm for Multiuser MIMO Systems.
IEICE Trans. Commun.
Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Atsushi Ohta, Shuji Kubota, Masato Mizoguchi
2009 J jnl
Frequency-Domain Equalization for Coherent Optical Single-Carrier Transmission Systems.
IEICE Trans. Commun.
Koichi Ishihara, Takayuki Kobayashi, Riichi Kudo, Yasushi Takatori, Akihide Sano, Yutaka Miyamoto
2009 B conf
Multi site MIMO channel analysis at 4.85GHz in outdoor environment.
PIMRC
Tomoki Murakami, Naoki Honma, Kentaro Nishimori, Riichi Kudo, Yasushi Takatori, Masato Mizoguchi
2008 J jnl
Antenna Selection Method for Terminal Antennas Employing Orthogonal Polarizations and Patterns in Outdoor Multiuser MIMO System.
IEICE Trans. Commun.
Naoki Honma, Riichi Kudo, Kentaro Nishimori, Yasushi Takatori, Atsushi Ohta, Shuji Kubota
2007 J jnl
New Downlink Beamforming Method for Cooperative Multiple Access Point Systems.
IEICE Trans. Commun.
Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Atsushi Ohta, Shuji Kubota
2007 J jnl
New Robust Beamforming Method for Frequency Offsets in Uplink Multiuser OFDM-MIMO.
IEICE Trans. Commun.
Yasushi Takatori, Riichi Kudo, Atsushi Ohta, Koichi Ishihara, Kentaro Nishimori, Shuji Kubota
2007 — conf
New Simple Capacity Estimation Method for Multiuser Block Diagonalization Transmission.
VTC Spring
Riichi Kudo, Yasushi Takatori, Atsushi Ohta, Kentaro Nishimori, Shuji Kubota
2007 B conf
User Selection Method for Block Diagonalization in Multiuser MIMO Systems.
GLOBECOM
Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Atsushi Ohta, Shuji Kubota
2006 — conf
Experimental Evaluation of Eigenvector Beamforming Method with 8X4 MIMO-OFDM Testbed.
VTC Spring
Riichi Kudo, Kentaro Nishimori, Yasushi Takatori, Koichi Tsunekawa
2006 J jnl
Novel Downlink Beamforming Method Using Selective STBC with Common Eigenvectors for MIMO-OFDM Systems.
IEICE Trans. Commun.
Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Koichi Tsunekawa
2006 B conf
Performance Evaluation of 8×8 Multi-User MIMO-OFDM Testbed in an Actual Indoor Environment.
PIMRC
Kentaro Nishimori, Riichi Kudo, Yasushi Takatori, Atsushi Ohta, Koichi Tsunekawa
2005 J jnl
Frequency Correlation Characteristics Due to Antenna Configurations in Broadband MIMO Transmission.
IEICE Trans. Commun.
Kentaro Nishimori, Nobuhiko Tachikawa, Yasushi Takatori, Riichi Kudo, Koichi Tsunekawa
2004 B conf
Novel MIMO-SDMA configuration adopting directivity and polarization control.
PIMRC
Kentaro Nishimori, Yasushi Takatori, Riichi Kudo, Nobuhiko Tachikawa, Koichi Tsunekawa