Development of Surface Inspection Machine for Organic Photo Conductor(OPC). - Osamu Nakayama; Shinji Kobayashi; Katsuyuki Omura; Takahiro Asai; Mitsuhiro Tomoda; Teruki Kamada (MVA, 1994)

A matched filter approximation for SC/MMSE iterative equalizers. - Hiroo Omori; Takahiro Asai; Tadashi Matsumoto 001 (IEEE Commun. Lett., 2001)

A complex baseband platform for spatial-temporal mobile radio channel simulations. - Satoshi Tsukamoto; Takuji Sasoh; Takahiro Sakaki; Toshiyuki Okamura; Shigeru Tomisato; Takahiro Asai; Tadashi Matsumoto 001 (IEEE Trans. Veh. Technol., 2002)

Experimental Evaluations on Throughput Performance of Adaptive Modulation and Channel Coding and Hybrid ARQ in HSDPA. - Takahiro Asai; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

A practical throughput comparison of MIMO-CDMA and MIMO-OFDM. - Tetsushi Abe; Takahiro Asai; Hirohito Suda (VTC Fall (2), 2004)

On geolocation in ill-conditioned BS-MS layouts. - Yihong Qi; Takahiro Asai; Hitoshi Yoshino; Nobuo Nakajima (ICASSP (5), 2005)

A relaying scheme using QR decomposition with phase control for MIMO wireless networks. - Hui Shi; Tetsushi Abe; Takahiro Asai; Hitoshi Yoshino (ICC, 2005)

Successive multi-user detector with ordering for signals having different symbol rates. - Koji Maeda; Takahiro Asai; Hitoshi Yoshino (PIMRC, 2005)

Pulse Shaping Schemes for Cyclostationarity-Exploiting Partially Coordinated Spectrum Sharing. - Anass Benjebbour; Takahiro Asai; Hitoshi Yoshino (PIMRC, 2006)

A "Relay Node Division Duplex" Relaying Approach for MIMO Relay Networks. - Hui Shi; Takahiro Asai; Hitoshi Yoshino (PIMRC, 2006)

Pulse Shape Design for Efficient Rejection of Unknown In-Band Interference Using Cyclic Wiener Filtering. - Anass Benjebbour; Takahiro Asai; Hitoshi Yoshino (VTC Fall, 2006)

Sequential Search Method with Different Thresholds for Clipped Power for OFDM Signal. - Jiyun Shen; Hiromasa Fujii; Takahiro Asai; Hitoshi Yoshino (VTC Spring, 2006)

Relay Techniques for MIMO Wireless Networks with Multiple Source and Destination Pairs. - Tetsushi Abe; Hui Shi; Takahiro Asai; Hitoshi Yoshino (EURASIP J. Wirel. Commun. Netw., 2006)

Analyses of Achievable Gains in Half Duplex MIMO Relaying Schemes Using Multiple Relay Nodes. - Hui Shi; Tetsushi Abe; Takahiro Asai; Hitoshi Yoshino (IEICE Trans. Commun., 2007)

Relaying Schemes Using Matrix Triangularization for MIMO Wireless Networks. - Hui Shi; Tetsushi Abe; Takahiro Asai; Hitoshi Yoshino (IEEE Trans. Commun., 2007)

Nonparametric Interference Suppression Using Cyclic Wiener Filtering: Pulse Shape Design and Performance Evaluation. - Anass Benjebbour; Takahiro Asai; Hitoshi Yoshino (EURASIP J. Wirel. Commun. Netw., 2008)

Cyclostationarity-Inducing Transmission Methods for Recognition among OFDM-Based Systems. - Koji Maeda; Anass Benjebbour; Takahiro Asai; Tatsuo Furuno; Tomoyuki Ohya (EURASIP J. Wirel. Commun. Netw., 2008)

Capacity achievable by spectrum sharing with adaptive transmit power control: Based on field measurements. - Hiromasa Fujii; Takahiro Asai; Yukihiko Okumura; Ryoko Kawauchi; Ikuo Hiradate; Hayato Akazawa; Takayuki Sotoyama (CrownCom, 2009)

An adaptive soft clipping method for spectrum sharing OFDMA systems. - Toshihisa Fujiwara; Shigeru Tomisato; Masaharu Hata; Hiromasa Fujii; Takahiro Asai; Yukihiko Okumura (PIMRC, 2009)

Joint Multi-Filter Design for Full-Duplex MU-MIMO Relaying. - Jaturong Sangiamwong; Takahiro Asai; Junichiro Hagiwara; Yukihiko Okumura; Tomoyuki Ohya (VTC Spring, 2009)

Optimum Weighting for Adaptive Array Antennas under Spectrum Sharing Environments. - Hiromasa Fujii; Takahiro Asai; Tomoyuki Ohya (VTC Spring, 2010)

Performance of Advanced Receiver Employing Interference Rejection Combining to Suppress Inter-Cell Interference in LTE-Advanced Downlink. - Yusuke Ohwatari; Nobuhiko Miki; Takahiro Asai; Tetsushi Abe; Hidekazu Taoka (VTC Fall, 2011)

Investigation on Mobility Management for Carrier Aggregation in LTE-Advanced. - Kengo Yagyu; Takeshi Nakamori; Hiroyuki Ishii; Mikio Iwamura; Nobuhiko Miki; Takahiro Asai; Junichiro Hagiwara (VTC Fall, 2011)

Study on resource allocation for VoIP traffic with subframe bundling in LTE uplink. - Masashige Shirakabe; Yoshiaki Ofuji; Akihito Hanaki; Nobuhiko Miki; Takahiro Asai; Junichiro Hagiwara (WPMC, 2011)

Performance of Interference Rejection Combining Receiver to Suppress Inter-Cell Interference in LTE-Advanced Downlink. - Yusuke Ohwatari; Nobuhiko Miki; Takahiro Asai; Tetsushi Abe; Hidekazu Taoka (IEICE Trans. Commun., 2011)

Investigation on Signaling Overhead for Mobility Management with Carrier Aggregation in LTE-Advanced. - Kengo Yagyu; Takeshi Nakamori; Hiroyuki Ishii; Mikio Iwamura; Nobuhiko Miki; Takahiro Asai; Junichiro Hagiwara (IEICE Trans. Commun., 2011)

Performance Analysis of Fiber-Optic Inband Relaying in the Presence of Self-Interference. - Hiroyuki Otsuka; Naohiro Tanoi; Naoto Ogura; Takahiro Kubo; Takahiro Asai; Yukihiko Okumura (VTC Fall, 2014)

A Development of Automatic Audit System for Written Informed Consent using Machine Learning. - Hitomi Yamada; Tadamasa Takemura; Takahiro Asai; Kazuya Okamoto; Tomohiro Kuroda; Shigeki Kuwata (MedInfo, 2015)

5G radio access network and its requirements on mobile optical network. - Takahiro Asai (ONDM, 2015)

Performance of Fiber-Optic Inband Relaying against Self-Interference in Both Uplink and Downlink. - Sho Nakazawa; Kohei Iwai; Mitsutoshi Nakamura; Takahiro Kubo; Takahiro Asai; Yukihiko Okumura; Hiroyuki Otsuka (VTC Fall, 2015)

A Study on Moving Cell in 5G Cellular System. - Hiroto Yasuda; Akira Kishida; Jiyun Shen; Yoshifumi Morihiro; Yasufumi Morioka; Satoshi Suyama; Akira Yamada 003; Yukihiko Okumura; Takahiro Asai (VTC Fall, 2015)

Starved wireless LAN device identifying scheme using beacon signals. - Akiyoshi Inoki; B. Hirantha Sithira Abeysekera; Munehiro Matsui; Takeo Ichikawa; Masato Mizoguchi; Akira Kishida; Akira Yamada 003; Yoshifumi Morihiro; Takahiro Asai; Yukihiko Okumura (WPMC, 2016)

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)

Radio Resource Management Based on User and Network Characteristics Considering 5G Radio Access Network in a Metropolitan Environment. - Akira Kishida; Yoshifumi Morihiro; Takahiro Asai (IEICE Trans. Commun., 2017)

Cell selection scheme for handover reduction based on moving direction and velocity of UEs for 5G multi-layered radio access networks. - Akira Kishida; Yoshifumi Morihiro; Takahiro Asai; Yukihiko Okumura (ICOIN, 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)

Resource Isolation in RAN Part While Utilizing Ordinary Scheduling Algorithm for Network Slicing. - Daisuke Nojima; Yuki Katsumata; Takuya Shimojo; Yoshifumi Morihiro; Takahiro Asai; Akira Yamada 003; Shigeru Iwashina (VTC Spring, 2018)

RAN Slicing to Realize Resource Isolation Utilizing Ordinary Radio Resource Management for Network Slicing. - Daisuke Nojima; Yuki Katsumata; Yoshifumi Morihiro; Takahiro Asai; Akira Yamada 003; Shigeru Iwashina (IEICE Trans. Commun., 2019)

Non-Orthogonal Waveform (NOW) for 5G Evolution and 6G. - Juan Liu 013; Wenjia Liu; Xiaolin Hou; Yoshihisa Kishiyama; Lan Chen; Takahiro Asai (PIMRC, 2020)

28 GHz-Band Experimental Trial at 283 km/h Using the Shinkansen for 5G Evolution. - Nobuhide Nonaka; Kazushi Muraoka; Tatsuki Okuyama; Satoshi Suyama; Yukihiko Okumura; Takahiro Asai; Yoshihiro Matsumura (VTC Spring, 2020)

Two Millimeter-Wave Base Station Cooperation Technologies in High-Mobility Environments for 5G Evolution. - Tatsuki Okuyama; Satoshi Suyama; Nobuhide Nonaka; Yukihiko Okumura; Takahiro Asai (VTC Spring, 2020)

Outdoor Experimental Trials of Millimeter-Wave Base Station Cooperation with Digital Beamforming in High-Mobility Environments for 5G Evolution. - Tatsuki Okuyama; Satoshi Suyama; Nobuhide Nonaka; Yukihiko Okumura; Takahiro Asai (VTC Fall, 2020)

Transform Domain Precoding (TDP) for 5G Evolution and 6G. - Wenjia Liu; Xiaolin Hou; Yoshihisa Kishiyama; Lan Chen; Takahiro Asai (IEEE Signal Process. Lett., 2020)

Enhanced Non-Orthogonal Waveform (eNOW) for 5G Evolution and 6G. - Juan Liu 013; Wenjia Liu; Xiaolin Hou; Yoshihisa Kishiyama; Lan Chen; Takahiro Asai (APCC, 2021)

Throughput Performance of HetNets using Sectorized Picocells with 3D Beamforming at 28 GHz Band in Multipath Fading Channels. - Shoko Nishimura; Satoshi Suyama; Takahiro Asai; Hiroyuki Otsuka (APWCS, 2021)

Millimeter-Wave Base Station Cooperation Technologies for High-Mobility Environments. - Tatsuki Okuyama; Satoshi Suyama; Nobuhide Nonaka; Takahiro Asai (APWCS, 2021)

Influence of Design-SNR on BER Performance under BP Decoder. - Kohei Ueda; Satoshi Suyama; Takahiro Asai; Nobuhiko Miki (APWCS, 2021)

Deep Learning based CSI Reconstruction with Limited Feedback for Massive MIMO Systems. - Xin Wang 073; Xiaolin Hou; Lan Chen; Yoshihisa Kishiyama; Takahiro Asai (ICMU, 2021)

Outdoor Experimental Trials of 28 GHz Band Base Station Cooperation in High-Mobility Environment of Multiple Mobile Stations. - Tatsuki Okuyama; Satoshi Suyama; Nobuhide Nonaka; Takahiro Asai (VTC Fall, 2021)

28 GHz-Band Experimental Trial Using the Shinkansen in Ultra High-Mobility Environment for 5G Evolution. - Nobuhide Nonaka; Kazushi Muraoka; Tatsuki Okuyama; Satoshi Suyama; Yukihiko Okumura; Takahiro Asai; Yoshihiro Matsumura (IEICE Trans. Commun., 2021)

Base Station Cooperation Technologies Using 28GHz-Band Digital Beamforming in High-Mobility Environments. - Tatsuki Okuyama; Nobuhide Nonaka; Satoshi Suyama; Yukihiko Okumura; Takahiro Asai (IEICE Trans. Commun., 2021)

A Study on Extreme Wideband 6G Radio Access Technologies for Achieving 100Gbps Data Rate in Higher Frequency Bands. - Satoshi Suyama; Tatsuki Okuyama; Yoshihisa Kishiyama; Satoshi Nagata; Takahiro Asai (IEICE Trans. Commun., 2021)

Hash-based Fast Beam Alignment for 6G Sub-Terahertz MIMO. - Xin Wang 073; Xiaolin Hou; Lan Chen; Satoshi Suyama; Takahiro Asai (APCC, 2022)

RIS-Aided Mega MIMO: Achieving Orthonormal Spatial Multiplexing with Adaptive Aperture. - Xiang Li; Xin Wang 073; Xiaolin Hou; Lan Chen; Satoshi Suyama; Takahiro Asai (GLOBECOM (Workshops), 2022)

THz Transport Technologies and Strategists Beyond 5G/6G Systems. - Hiroshi Okazaki; Yasunori Suzuki; Satoshi Suyama; Takahiro Asai (OFC, 2022)

Unified Non-Orthogonal Waveform (uNOW) based on DFT-s-OFDM Enhancement for 5G Evolution and 6G. - Juan Liu 013; Xiaolin Hou; Wenjia Liu; Lan Chen; Yoshihisa Kishiyama; Takahiro Asai (PIMRC, 2022)

Ring-type Codebook Design for Reconfigurable Intelligent Surface Near-field Beamforming. - Fan Wang; Xin Wang 073; Xiang Li; Xiaolin Hou; Lan Chen; Satoshi Suyama; Takahiro Asai (PIMRC, 2022)

Recent Studies on Massive MIMO Technologies for 5G Evolution and 6G. - Satoshi Suyama; Tatsuki Okuyama; Nobuhide Nonaka; Takahiro Asai (RWS, 2022)

Experimental Trial aboard Shinkansen Test Train Running at 360 km/h for 5G Evolution. - Nobuhide Nonaka; Satoshi Suyama; Tatsuki Okuyama; Yuto Hama; Daisuke Kitayama; Takahiro Asai; Shoji Itoh; Anders Carlsson; Johan Furuskog; Magnus Wikström; Qiang Zhang; Kenichiro Kamohara; et al. (VTC Spring, 2022)

Outdoor Experimental Trials on Deployments of Multiple Base Station Antennas for 28 GHz-Band Cooperated Digital Beamforming. - Tatsuki Okuyama; Satoshi Suyama; Nobuhide Nonaka; Takahiro Asai (VTC Spring, 2022)

Evaluation of Indoor Area Improvement in the High Frequency Band Using Metasurface Lenses, FSS Technology and Relay Stations. - Jun Tsuboi; Takeshi Motegi; Osamu Kagaya; Daisuke Kitayama; Kensuke Miyachi; Tatsuki Okuyama; Satoshi Suyama; Takahiro Asai (VTC Spring, 2022)

Extreme Coverage Extension in 6G: Cooperative Non-terrestrial Network Architecture Integrating Terrestrial Networks. - Yuki Hokazono; Hinata Kohara; Yoshihisa Kishiyama; Takahiro Asai (WCNC, 2022)

Non-Orthogonal Physical Layer (NOPHY) Design towards 5G Evolution and 6G. - Xiaolin Hou; Wenjia Liu; Juan Liu 013; Xin Wang 073; Lan Chen; Yoshihisa Kishiyama; Takahiro Asai (IEICE Trans. Commun., 2022)

Deep Learning-Based Massive MIMO CSI Acquisition for 5G Evolution and 6G. - Xin Wang 073; Xiaolin Hou; Lan Chen; Yoshihisa Kishiyama; Takahiro Asai (IEICE Trans. Commun., 2022)

Unified Multi-User Multiplexing Scheme With Enhanced NOMA (eNOMA) for HAPS. - Wenjia Liu; Xiaolin Hou; Lan Chen; Takahiro Asai (VTC Fall, 2023)

Time-Varying Channel Prediction for Pilot Contamination Mitigation in Hybrid Massive MIMO Communications. - Yuki Ono; Yuyuan Chang; Kazuhiko Fukawa; Satoshi Suyama; Takahiro Asai (VTC2023-Spring, 2023)

Reconfigurable Intelligent Surface Aided Joint Communication And Positioning. - Fan Wang; Xiaolin Hou; Xin Wang 073; Xiang Li; Lan Chen; Takahiro Asai (VTC Fall, 2023)

Near-Field Beam Management with Ring-type Codebook. - Fan Wang; Xin Wang 073; Xiang Li; Xiaolin Hou; Lan Chen; Satoshi Suyama; Takahiro Asai (VTC2023-Spring, 2023)

Unified 6G Waveform Design Based on DFT-s-OFDM Enhancements. - Juan Liu 013; Xiaolin Hou; Wenjia Liu; Lan Chen; Yoshihisa Kishiyama; Takahiro Asai (IEICE Trans. Commun., 2023)