Automatic calibration method using transmitting signals of an adaptive array for TDD systems. - Kentaro Nishimori; Keizo Cho; Yasushi Takatori; Toshikazu Hori (IEEE Trans. Veh. Technol., 2001)

Smart antenna testbed for SDMA systems using STBC. - Yasushi Takatori; Keizo Cho; Toshikazu Hori (VTC Spring, 2002)

Downlink beam-forming method using STBC for mobile propagation environments. - Yasushi Takatori; Keizo Cho; Toshikazu Hori (VTC Spring, 2002)

Novel MIMO-SDMA configuration adopting directivity and polarization control. - Kentaro Nishimori; Yasushi Takatori; Riichi Kudo; Nobuhiko Tachikawa; Koichi Tsunekawa (PIMRC, 2004)

Frequency Correlation Characteristics Due to Antenna Configurations in Broadband MIMO Transmission. - Kentaro Nishimori; Nobuhiko Tachikawa; Yasushi Takatori; Riichi Kudo; Koichi Tsunekawa (IEICE Trans. Commun., 2005)

Channel Capacity of TDD-OFDM-MIMO for Multiple Access Points in a Wireless Single-Frequency-Network. - Yasushi Takatori; Frank H. P. Fitzek; Koichi Tsunekawa; Ramjee Prasad (Wirel. Pers. Commun., 2005)

Performance Evaluation of 8×8 Multi-User MIMO-OFDM Testbed in an Actual Indoor Environment. - Kentaro Nishimori; Riichi Kudo; Yasushi Takatori; Atsushi Ohta; Koichi Tsunekawa (PIMRC, 2006)

Experimental Evaluation of Eigenvector Beamforming Method with 8X4 MIMO-OFDM Testbed. - Riichi Kudo; Kentaro Nishimori; Yasushi Takatori; Koichi Tsunekawa (VTC Spring, 2006)

Novel Downlink Beamforming Method Using Selective STBC with Common Eigenvectors for MIMO-OFDM Systems. - Riichi Kudo; Yasushi Takatori; Kentaro Nishimori; Koichi Tsunekawa (IEICE Trans. Commun., 2006)

User Selection Method for Block Diagonalization in Multiuser MIMO Systems. - Riichi Kudo; Yasushi Takatori; Kentaro Nishimori; Atsushi Ohta; Shuji Kubota (GLOBECOM, 2007)

Multiuser Detection Method for Single-Carrier Transmission in Uplink Multiuser MIMO Access. - Koichi Ishihara; Yasushi Takatori; Shuji Kubota (VTC Fall, 2007)

New Simple Capacity Estimation Method for Multiuser Block Diagonalization Transmission. - Riichi Kudo; Yasushi Takatori; Atsushi Ohta; Kentaro Nishimori; Shuji Kubota (VTC Spring, 2007)

Spatial Opportunity for Cognitive Radio Systems with Heterogeneous Path Loss Conditions. - Kentaro Nishimori; Rocco Di Taranto; Hiroyuki Yomo; Petar Popovski; Yasushi Takatori; Ramjee Prasad; Shuji Kubota (VTC Spring, 2007)

New Downlink Beamforming Method for Cooperative Multiple Access Point Systems. - Riichi Kudo; Yasushi Takatori; Kentaro Nishimori; Atsushi Ohta; Shuji Kubota (IEICE Trans. Commun., 2007)

New Robust Beamforming Method for Frequency Offsets in Uplink Multiuser OFDM-MIMO. - Yasushi Takatori; Riichi Kudo; Atsushi Ohta; Koichi Ishihara; Kentaro Nishimori; Shuji Kubota (IEICE Trans. Commun., 2007)

Distributed Interference Cancellation for Dynamic Spectrum Sharing. - Kentaro Nishimori; Hiroyuki Yomo; Petar Popovski; Yasushi Takatori; Ramjee Prasad; Shuji Kubota (ICC, 2008)

Multiuser Detection Method Robust against Timing Offset for OFDM Uplink Transmission. - Koichi Ishihara; Yasushi Takatori; Kentaro Nishimori; Kazuyasu Okada (VTC Spring, 2008)

Antenna Selection Method for Terminal Antennas Employing Orthogonal Polarizations and Patterns in Outdoor Multiuser MIMO System. - Naoki Honma; Riichi Kudo; Kentaro Nishimori; Yasushi Takatori; Atsushi Ohta; Shuji Kubota (IEICE Trans. Commun., 2008)

Interference Cancellation and Avoidance for Secondary Users Co-existing with TDD-based Primary Systems. - Kentaro Nishimori; Hiroyuki Yomo; Petar Popovski; Yasushi Takatori; Ramjee Prasad; Shuji Kubota (Wirel. Pers. Commun., 2008)

Multi site MIMO channel analysis at 4.85GHz in outdoor environment. - Tomoki Murakami; Naoki Honma; Kentaro Nishimori; Riichi Kudo; Yasushi Takatori; Masato Mizoguchi (PIMRC, 2009)

16x16 Multiuser MIMO Testbed Employing Simple Adaptive Modulation Scheme. - Kentaro Nishimori; Riichi Kudo; Naoki Honma; Yasushi Takatori; Masato Mizoguchi (VTC Spring, 2009)

Frequency-Domain Equalization for Coherent Optical Single-Carrier Transmission Systems. - Koichi Ishihara; Takayuki Kobayashi; Riichi Kudo; Yasushi Takatori; Akihide Sano; Yutaka Miyamoto (IEICE Trans. Commun., 2009)

Overlap Frequency-Domain Multiuser Detection for Asynchronous Uplink Multiuser MIMO-OFDM Systems. - Koichi Ishihara; Yasushi Takatori; Kentaro Nishimori; Kazuyasu Okada (IEICE Trans. Commun., 2009)

A New User Selection Measure in Block Diagonalization Algorithm for Multiuser MIMO Systems. - Riichi Kudo; Yasushi Takatori; Kentaro Nishimori; Atsushi Ohta; Shuji Kubota; Masato Mizoguchi (IEICE Trans. Commun., 2009)

A Novel Dynamic Channel Access Scheme Using Overlap FFT Filter-Bank for Cognitive Radio. - Motohiro Tanabe; Masahiro Umehira; Koichi Ishihara; Yasushi Takatori (IEICE Trans. Commun., 2009)

Multiuser Detection for Asynchronous Broadband Single-Carrier Transmission Systems. - Koichi Ishihara; Yasushi Takatori; Shuji Kubota; Fumiyuki Adachi (IEEE Trans. Veh. Technol., 2009)

A Stochastic Approach to Design MIMO Antenna with Parasitic Elements Based on Propagation Characteristics. - Naoki Honma; Kentaro Nishimori; Riichi Kudo; Yasushi Takatori; Takefumi Hiraguri; Masato Mizoguchi (IEICE Trans. Commun., 2010)

16×16 MIMO Testbed for MU-MIMO Downlink Transmission. - Kentaro Nishimori; Riichi Kudo; Naoki Honma; Yasushi Takatori; Masato Mizoguchi (IEICE Trans. Commun., 2010)

Spatial Domain Resource Sharing for Overlapping Cells in Indoor Environment. - Riichi Kudo; Yasushi Takatori; Kentaro Nishimori; Takeo Ichikawa; Tomoki Murakami; Masato Mizoguchi; Masahiro Morikura (Int. J. Digit. Multim. Broadcast., 2010)

User Selection for Multiuser MIMO Systems Based on Block Diagonalization in Wide-Range SNR Environment. - Riichi Kudo; Yasushi Takatori; Tomoki Murakami; Masato Mizoguchi (ICC, 2011)

A Band-Divided Receiver Prototype for Wideband Optical Signals. - Munehiro Matsui; Riichi Kudo; Yasushi Takatori; Tadao Nakagawa; Koichi Ishihara; Masato Mizoguchi; Takayuki Kobayashi; Yutaka Miyamoto (IEICE Trans. Commun., 2011)

Weighted-combining calibration for implicit feedback beamforming on downlink multiuser MIMO systems. - Hayato Fukuzono; Tomoki Murakami; Riichi Kudo; Yasushi Takatori; Masato Mizoguchi (PIMRC, 2013)

Development and experimental validation of downlink multiuser MIMO-OFDM in gigabit wireless LAN systems. - Koichi Ishihara; Yusuke Asai; Riichi Kudo; Takeo Ichikawa; Yasushi Takatori; Masato Mizoguchi (EURASIP J. Adv. Signal Process., 2013)

Combining calibration schemes on a real-time multiuser MIMO-OFDM system with implicit feedback. - Hayato Fukuzono; Tomoki Murakami; Riichi Kudo; Shoko Shinohara; Yasushi Takatori; Masato Mizoguchi (PIMRC, 2014)

An advanced Wi-Fi data service platform coupled with a cellular network for future wireless access. - Riichi Kudo; Yasushi Takatori; B. Hirantha Sithira Abeysekera; Yasuhiko Inoue; Atsushi Murase; Akira Yamada 003; Hiroto Yasuda; Yukihiko Okumura (IEEE Commun. Mag., 2014)

Complexity reduction of pico cell clustering for interference alignment in heterogeneous networks. - Ryuma Seno; Tomoaki Ohtsuki; Wenjie Jiang 002; Yasushi Takatori (APCC, 2015)

Interference Alignment for Time-Varying Channel with Channel and Weight Predictions Based on Auto Regressive Model. - Masayoshi Ozawa; Tomoaki Ohtsuki; Wenjie Jiang 002; Yasushi Takatori (GLOBECOM, 2015)

Interference alignment for multi-user MIMO interference channels via a Riemannian optimization approach. - Fereidoun H. Panahi; Tomoaki Ohtsuki; Wenjie Jiang 002; Yasushi Takatori (PIMRC, 2015)

Channel Access Acquisition Mechanism Coupled with Cellular Network for Unlicensed Spectrum. - Riichi Kudo; B. A. Hirantha Sithira Abeysekera; Yasushi Takatori; Takeo Ichikawa; Masato Mizoguchi; Hiroto Yasuda; Akira Yamada 003; Yukihiko Okumura (VTC Spring, 2015)

Interference Alignment in Heterogeneous Networks Using Pico Cell Clustering. - Ryuma Seno; Tomoaki Ohtsuki; Wenjie Jiang 002; Yasushi Takatori (VTC Fall, 2015)

Weighted-Combining Calibration on Multiuser MIMO Systems with Implicit Feedback. - Hayato Fukuzono; Tomoki Murakami; Riichi Kudo; Yasushi Takatori; Masato Mizoguchi (IEICE Trans. Commun., 2015)

User Equipment Centric Downlink Access in Unlicensed Spectrum for Heterogeneous Mobile Network. - Riichi Kudo; B. A. Hirantha Sithira Abeysekera; Yusuke Asai; Takeo Ichikawa; Yasushi Takatori; Masato Mizoguchi (IEICE Trans. Commun., 2015)

Joint Interference Alignment and Power Allocation under Perfect and Imperfect CSI. - Fereidoun H. Panahi; Tomoaki Ohtsuki; Wenjie Jiang 002; Yasushi Takatori; Kazuhiro Uehara (GLOBECOM, 2016)

Interference alignment and power allocation for multi-user MIMO interference channels. - Fereidoun H. Panahi; Tomoaki Ohtsuki; Wenjie Jiang 002; Yasushi Takatori; Kazuhiro Uehara (ICC, 2016)

Channel prediction for massive MIMO with channel compression based on principal component analysis. - Rei Nagashima; Tomoaki Ohtsuki; Wenjie Jiang 002; Yasushi Takatori; Tadao Nakagawa (PIMRC, 2016)

A low-complexity cell clustering algorithm in dense small cell networks. - Ryuma Seno; Tomoaki Ohtsuki; Wenjie Jiang 002; Yasushi Takatori (EURASIP J. Wirel. Commun. Netw., 2016)

Fair Pilot Assignment Based on AOA and Pathloss with Location Information in Massive MIMO. - Haruhi Echigo; Tomoaki Ohtsuki; Wenjie Jiang 002; Yasushi Takatori (GLOBECOM, 2017)

Frequency Dependence of Path Loss with Wide Dynamic Range in Urban Macro Cells between 2 and 26 GHz. - Motoharu Sasaki; Mitsuki Nakamura; Minoru Inomata; Wataru Yamada; Naoki Kita; Koshiro Kitao; Tetsuro Imai; Yasushi Takatori (GLOBECOM Workshops, 2017)

Frequency dependence of site-specific path loss in urban macro cell environments between 2 and 66 GHz bands. - Motoharu Sasaki; Mitsuki Nakamura; Minoru Inomata; Wataru Yamada; Naoki Kita; Yasushi Takatori; Koshiro Kitao; Tetsuro Imai (PIMRC, 2017)

Performance of adaptive movable access point system in the presence of positioning error. - Shingo Oka; Tomoki Murakami; Yasushi Takatori; Masato Mizoguchi; Fumiaki Maehara (RWS, 2017)

Throughput Improvement of Mobile Cooperative WLAN Systems with Identifying and Management of Starved APs/UEs for 5G. - Akiyoshi Inoki; Hirantha Abeysekera; Munehiro Matsui; Kenichi Kawamura; Takeo Ichikawa; Yasushi Takatori; Masato Mizoguchi; Akira Kishida; Yoshifumi Morihiro; Takahiro Asai; Yukihiko Okumura (IEICE Trans. Commun., 2017)

Joint Interference Alignment and Power Allocation for Multi-User MIMO Interference Channels Under Perfect and Imperfect CSI. - Fereidoun H. Panahi; Tomoaki Ohtsuki; Wenjie Jiang 002; Yasushi Takatori; Tadao Nakagawa (IEEE Trans. Green Commun. Netw., 2017)

Cooperative Inter-cell Interference Mitigation Scheme with Downlink MU-MIMO Beamforming for Dense Wireless LAN Environment. - Koichi Ishihara; Tomoki Murakami; Yusuke Asai; Yasushi Takatori; Masato Mizoguchi (Wirel. Pers. Commun., 2017)

A Low-Complexity High-Accuracy AR Based Channel Prediction Method for Interference Alignment. - Masayoshi Ozawa; Tomoaki Ohtsuki; Fereidoun H. Panahi; Wenjie Jiang 002; Yasushi Takatori; Tadao Nakagawa (GLOBECOM, 2018)

Experimental Evaluation of Starved AP Identification and Management Schemes in Mobile Cooperative WLAN System toward 5G. - Akiyoshi Inoki; Hirantha Abeysekera; Akira Kishida; Yoshifumi Morihiro; Takahiro Asai; Munehiro Matsui; Kenichi Kawamura; Yukihiko Okumura; Yasushi Takatori (VTC Spring, 2018)

CSI Feedback Reduction Method for Downlink Multiuser MIMO Transmission Using Dense Distributed Antenna Selection. - Tomoki Murakami; Koichi Ishihara; Yasushi Takatori; Masato Mizoguchi; Kentaro Nishimori (IEICE Trans. Commun., 2018)

On the Feasibility of an Adaptive Movable Access Point System in a Static Indoor WLAN Environment. - Tomoki Murakami; Shingo Oka; Yasushi Takatori; Masato Mizoguchi; Fumiaki Maehara (IEICE Trans. Commun., 2018)

Dynamic Group-Based Antenna Selection for Uplink Multi-User MIMO in Distributed Antenna System. - Sho Yoshida; Kentaro Nishimori; Soichi Ito; Tomoki Murakami; Koichi Ishihara; Yasushi Takatori (IEICE Trans. Commun., 2018)

Reinforcement Learning-Aided Distributed User-to-Access Points Association in Interfering Networks. - Thi Ha Ly Dinh; Megumi Kaneko; Keisuke Wakao; Hirantha Abeysekera; Yasushi Takatori (GLOBECOM, 2019)

5G R&D Activities for High Capacity Technologies with Ultra High-Density Multi-Band and Multi-Access Layered Cells. - Morihiko Minowa; Hiroyuki Seki; Yukihiko Okumura; Satoshi Suyama; Jun Terada; Satoshi Shigematsu; Yasushi Takatori; Hiroaki Asano; Yukio Hirano; Yasushi Yamao; Fumiyuki Adachi; Masataka Nakazawa (VTC Spring, 2019)

Light Weight Wireless Resource Allocation Method with Distributed Architecture and DB Search Algorithm for High Density Wireless Access Systems. - Keisuke Wakao; Hirantha Abeysekera; Kenichi Kawamura; Yasushi Takatori (VTC Fall, 2019)

Cooperative control of 802.11ax access parameters in high density wireless LAN systems. - Kenichi Kawamura; Akiyoshi Inoki; Shota Nakayama; Keisuke Wakao; Yasushi Takatori (WCNC, 2019)

Centralized Resource Allocation Method for Multiuser MIMO Capable Wireless LANs. - Soma Yamashita; Hirofumi Suganuma; Tomoki Murakami; Yasushi Takatori; Fumiaki Maehara (WPMC, 2019)

Radio Propagation Prediction Method Using Point Cloud Data Based on Hybrid of Ray-Tracing and Effective Roughness Model in Urban Environments. - Minoru Inomata; Tetsuro Imai; Koshiro Kitao; Yukihiko Okumura; Motoharu Sasaki; Yasushi Takatori (IEICE Trans. Commun., 2019)

Path Loss Model in Crowded Outdoor Environments Considering Multiple Human Body Shadowing of Multipath at 4.7GHz and 26.4GHz. - Mitsuki Nakamura; Motoharu Sasaki; Wataru Yamada; Naoki Kita; Takeshi Onizawa; Yasushi Takatori; Masashi Nakatsugawa; Minoru Inomata; Koshiro Kitao; Tetsuro Imai (IEICE Trans. Commun., 2019)

Deep Reinforcement Learning-based User Association in Sub6GHz/mmWave Integrated Networks. - Thi Ha Ly Dinh; Megumi Kaneko; Keisuke Wakao; Kenichi Kawamura; Takatsune Moriyama; Hirantha Abeysekera; Yasushi Takatori (CCNC, 2021)

Towards an Energy-Efficient DQN-based User Association in Sub6GHz/mmWave Integrated Networks. - Thi Ha Ly Dinh; Megumi Kaneko; Keisuke Wakao; Kenichi Kawamura; Takatsune Moriyama; Yasushi Takatori (MSN, 2021)

Distributed user-to-multiple access points association through deep learning for beyond 5G. - Thi Ha Ly Dinh; Megumi Kaneko; Keisuke Wakao; Kenichi Kawamura; Takatsune Moriyama; Hirantha Abeysekera; Yasushi Takatori (Comput. Networks, 2021)

Coordinated Scheduling of 802.11ax Wireless LAN Systems Using Hierarchical Clustering. - Kenichi Kawamura; Akiyoshi Inoki; Shouta Nakayama; Keisuke Wakao; Yasushi Takatori (IEICE Trans. Commun., 2021)

An Actual Stadium Verification of WLAN Using a Distributed Smart Antenna System (D-SAS). - Tomoki Murakami; Koichi Ishihara; Hirantha Abeysekera; Yasushi Takatori (IEICE Trans. Commun., 2021)

Dynamic Terminal Connection Control Using Multi-Radio Unlicensed Access for 5G Evolution and Beyond. - Toshiro Nakahira; Tomoki Murakami; Hirantha Abeysekera; Koichi Ishihara; Motoharu Sasaki; Takatsune Moriyama; Yasushi Takatori (IEICE Trans. Commun., 2021)

Extension of ITU-R Site-General Path Loss Model in Urban Areas Based on Measurements from 2 to 66GHz Bands. - Motoharu Sasaki; Mitsuki Nakamura; Nobuaki Kuno; Wataru Yamada; Naoki Kita; Takeshi Onizawa; Yasushi Takatori; Hiroyuki Nakamura; Minoru Inomata; Koshiro Kitao; Tetsuro Imai (IEICE Trans. Commun., 2021)

Improving Reliability by Risk-Averse Reinforcement Learning over Sub6GHz/mmWave Integrated Networks. - Thi Ha Ly Dinh; Megumi Kaneko; Kenichi Kawamura; Takatsune Moriyama; Yasushi Takatori (ICC, 2022)

Performance Evaluation of Uplink Multiuser MIMO-OFDM System With Single RF Chain Receiver. - Tomoki Murakami; Ryoutaro Taniguchi; Tomoaki Ogawa; Yasushi Takatori (IEEE Access, 2022)

Centralized Control Method of Multi-Radio and Terminal Connection for 802.11 Wireless LAN Mixed Environment. - Toshiro Nakahira; Koichi Ishihara; Motoharu Sasaki; Hirantha Abeysekera; Tomoki Murakami; Takatsune Moriyama; Yasushi Takatori (IEICE Trans. Commun., 2022)

Resource Allocation for Reconfigurable Intelligent Surface Assisted Dual Connectivity. - Yoghitha Ramamoorthi; Masashi Iwabuchi; Tomoki Murakami; Tomoaki Ogawa; Yasushi Takatori (Sensors, 2022)

Resource Allocation and Sharing Methodologies When Reconfigurable Intelligent Surfaces Meet Multiple Base Stations. - Yoghitha Ramamoorthi; Riku Ohmiya; Masashi Iwabuchi; Tomoaki Ogawa; Yasushi Takatori (Sensors, 2022)

Predictive QoS of wireless communication for autonomous driving vehicles by fine tuning. - Kenichi Kawamura; Naoki Shibuya; Motoharu Sasaki; Takatsune Moriyama; Yasushi Takatori (PIMRC, 2023)

Wireless Multi-Interface Connectivity with Deep Learning-Enabled User Devices: An Energy Efficiency Perspective. - Megumi Kaneko; Thi Ha Ly Dinh; Kenichi Kawamura; Takatsune Moriyama; Yasushi Takatori (IEEE Netw., 2023)

Protection of Latency-Strict Stations on WLAN Systems Using CTS-to-STA Frames. - Kenichi Kawamura; Shouta Nakayama; Keisuke Wakao; Takatsune Moriyama; Yasushi Takatori (IEICE Trans. Commun., 2023)

Resource Allocation in Reconfigurable Intelligent Surfaces with Imperfect Phase Compensation. - Swaraj Srivastava; Yoghitha Ramamoorthi; Abhinav Kumar 001; Tomoki Murakami; Tomoki Ogawa; Yasushi Takatori (COMSNETS, 2024)

Poster: α Fair Resource Allocation for RIS-Assisted NOMA V2X Systems with Imperfect Phase Compensation. - Swaraj Srivastava; Yoghitha Ramamoorthi; Abhinav Kumar 001; Tomoki Murakami; Tomoaki Ogawa; Yasushi Takatori (VNC, 2024)

Architecture Implementation and Feasibility Study on Blockchain-Based Wireless Access Sharing. - Takeru Fukushima; Motoharu Sasaki; Toshiro Nakahira; Daisuke Murayama; Tomoaki Ogawa; Yasushi Takatori (VTC Spring, 2024)

Accommodation Smoothing Method and Performance Regarding UE Placement in Blockchain-RAN. - Takeru Fukushima; Motoharu Sasaki; Toshiro Nakahira; Daisuke Murayama; Tomoaki Ogawa; Yasushi Takatori (WCNC, 2024)

A Multi-Agent Risk-Averse Reinforcement Learning Method for Reliability Enhancement in Sub-6GHz/mmWave Mobile Networks. - Megumi Kaneko; Thi Ha Ly Dinh; Yousef N. Shnaiwer; Kenichi Kawamura; Daisuke Murayama; Yasushi Takatori (IEEE Wirel. Commun. Lett., 2024)

Distributed RIS Control Approach for Real Environments with Dynamic Blockage. - Takumi Yoneda; Tomoki Murakami; Yasushi Takatori; Tomoaki Ogawa (CCNC, 2025)

B-RAN-Based Control Method of User-Equipment Accommodation for Multi-Radio Environment. - Takeru Fukushima; Motoharu Sasaki; Toshiro Nakahira; Daisuke Murayama; Takatsune Moriyama; Yasushi Takatori (IEEE Access, 2025)

Device-Free AMR Crossing Detection Using LTE Signals for Smart Factory Applications. - Hanae Otani; Tomoki Murakami; Kazuya Ohara; Yasushi Takatori; Tomoaki Ogawa (IEEE Access, 2025)