Network Management In A Large-scale OSI-based Campus Network. - Glenn Mansfield; Makoto Murata; Kenichi Higuchi; Krishnamachari J. Yanthi; Basabi Chakraborty; Yoshiaki Nemoto; Shoichi Noguchi (NOMS, 1992)

Mapping Communication Networks in the Directory. - Glenn Mansfield; K. Jayanthi; Kenichi Higuchi; Thomas Johannsen; Yasunoni Nemoto; Shoichi Noguchi (Comput. Networks ISDN Syst., 1993)

Experiments on coherent multistage interference canceller for DS-CDMA mobile radio. - Mamoru Sawahashi; Hidehiro Andoh; Kenichi Higuchi; Fumiyuki Adachi (PIMRC, 1998)

Parallel-type coherent multi-stage interference canceller with iterative channel estimation using both pilot and decision-feedback data symbols for W-CDMA mobile radio. - Koichi Okawa; Kenichi Higuchi; Mamoru Sawahashi (PIMRC, 2000)

Experimental evaluation of combined effect of coherent RAKE combining and SIR-based fast transmit power control for reverse link of DS-CDMA mobile radio. - Kenichi Higuchi; Hidehiro Andoh; Koichi Okawa; Mamoru Sawahashi; Fumiyuki Adachi (IEEE J. Sel. Areas Commun., 2000)

Enhanced wireless access technologies and experiments for W-CDMA communications. - Mamoru Sawahashi; Kenichi Higuchi; Shinya Tanaka; Fumiyuki Adachi (IEEE Wirel. Commun., 2000)

Parallel-type coherent multistage interference canceller with multiple-antenna reception in DS-CDMA reverse link. - Yoshihisa Kishiyama; Taisuke Ihara; Kenichi Higuchi; Mamoru Sawahashi (VTC Fall, 2001)

Site independent diversity transmit power control for inter-cell site diversity in W-CDMA forward link. - Akihito Morimoto; Kenichi Higuchi; Mamoru Sawahashi (VTC Fall, 2001)

Improvements in W-CDMA: principles and experimental results. - Mamoru Sawahashi; Kenichi Higuchi; Shinya Tanaka; Fumiyuki Adachi (Ann. des Télécommunications, 2001)

Three-step cell search algorithm for broadband multi-carrier CDMA packet wireless access. - Yukiko Hanada; Kenichi Higuchi; Mamoru Sawahashi (PIMRC, 2002)

Comparison between multipath interference canceller and chip equalizer in HSDPA in multipath channel. - Teruo Kawamura; Kenichi Higuchi; Yoshihisa Kishiyama; Mamoru Sawahashi (VTC Spring, 2002)

SIR Measurement with Data Channel Transmission Gap Using Multipath Interference Canceller for High-Speed Packet Transmission in W-CDMA Forward Link. - Akihiro Fujiwara; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

Experimental Evaluation of Three-Step Cell Search Method in W-CDMA Mobile Communications. - Kenichi Higuchi; Yukiko Hanada; Mamoru Sawahashi; Fumiyuki Adachi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

Multipath Interference Canceller for Orthogonal Code-Multiplexed Channels and Its Performance in W-CDMA Forward Link. - Akhmad Unggul Priantoro; Heiichi Yamamoto; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

Multipath interference canceller for high-speed packet transmission with adaptive modulation and coding scheme in W-CDMA forward link. - Kenichi Higuchi; Akihiro Fujiwara; Mamoru Sawahashi (IEEE J. Sel. Areas Commun., 2002)

Experiments on pilot symbol-assisted coherent multistage interference canceller for DS-CDMA mobile radio. - Mamoru Sawahashi; Kenichi Higuchi; Hidehiro Andoh; Fumiyuki Adachi (IEEE J. Sel. Areas Commun., 2002)

Experimental evaluation of throughput performance in broadband packet wireless access based on VSF-OFCDM and VSF-CDMA. - Noriyuki Maeda; Yoshihisa Kishiyama; Kenichi Higuchi; Hiroyuki Atarashi; Mamoru Sawahashi (PIMRC, 2003)

Experimental evaluation on effect of hybrid ARQ with packet combining in forward link for VSF-OFCDM broadband wireless access. - Nobuhiko Miki; Hiroyuki Atarashi; Kenichi Higuchi; Sadayuki Abeta; Mamoru Sawahashi (PIMRC, 2003)

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)

Experimental Evaluation of Coherent Adaptive Antenna Array Diversity Receiver Employing Optical Fiber Interface in IF Stage. - Taisuke Ihara; Hidekazu Taoka; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

Adaptive selection of surviving symbol replica candidates based on maximum reliability in QRM-MLD for OFCDM MIMO multiplexing. - Kenichi Higuchi; Hiroyuki Kawai; Noriyuki Maeda; Mamoru Sawahashi (GLOBECOM, 2004)

Field experiments on adaptive antenna array-beam forming with simultaneous path timing and its DOA estimations employing directive-beam reception for broadband CDMA packet access in reverse link. - Takashi Kataoka; Hidekazu Taoka; Kenichi Higuchi; Mamoru Sawahashi (PIMRC, 2004)

QRM-MLD combined with MMSE-based multipath interference canceller for MIMO multiplexing in broadband DS-CDMA. - Noriyuki Maeda; Kenichi Higuchi; Junichiro Kawamoto; Mamoru Sawahashi; Masayuki Kimata; Shousei Yoshida (PIMRC, 2004)

Field experiments on low-rate turbo coding and soft-decision decoding for broadband packet DS-CDMA wireless access in reverse link. - Shingo Suwa; Nobuhiko Miki; Motohiro Tanno; Kenichi Higuchi; Mamoru Sawahashi (PIMRC, 2004)

Experiments on three-step fast cell search algorithm employing common pilot channel for OFCDM broadband packet wireless access in forward link. - Motohiro Tanno; Kenichi Higuchi; Hiroyuki Atarashi; Mamoru Sawahashi (VTC Fall (2), 2004)

Likelihood Function for QRM-MLD Suitable for Soft-Decision Turbo Decoding and Its Performance for OFCDM MIMO Multiplexing in Multipath Fading Channel. - Hiroyuki Kawai; Kenichi Higuchi; Noriyuki Maeda; Mamoru Sawahashi; Takumi Ito; Yoshikazu Kakura; Akihisa Ushirokawa; Hiroyuki Seki (IEICE Trans. Commun., 2005)

Field Experiments on Throughput Performance above 100 Mbps in Forward Link for VSF-OFCDM Broadband Wireless Access. - Yoshihisa Kishiyama; Noriyuki Maeda; Kenichi Higuchi; Hiroyuki Atarashi; Mamoru Sawahashi (IEICE Trans. Commun., 2005)

Fast Cell Search Algorithm for Overlay System with Cellular and Isolated Cells in Forward Link for OFCDM Broadband Wireless Access. - Motohiro Tanno; Hiroyuki Atarashi; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2005)

Multi-degree Random Cyclic Delay Diversity in MISO Systems with Frequency-Domain Scheduling. - Zhengang Pan; Jingxiu Liu; Lan Chen; Kenichi Higuchi; Mamoru Sawahashi (APCCAS, 2006)

Investigations on Optimum Roll-off Factor for DFT-Spread OFDM Based SC-FDMA Radio Access in Evolved UTRA Uplink. - Teruo Kawamura; Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi (ISWCS, 2006)

Investigations on Random Access Channel Structure in Evolved UTRA Uplink. - Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi (ISWCS, 2006)

Intra-Node B Orthogonal Pilot Channel Structure for OFDM Radio Access in Evolved UTRA Downlink. - Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi (VTC Spring, 2006)

Performance Comparison Between Fast Sector Selection and Simultaneous Transmission with Soft-Combining for Intra-Node B Macro Diversity in Downlink OFDM Radio Access. - Akihito Morimoto; Kenichi Higuchi; Mamoru Sawahashi (VTC Spring, 2006)

Optimum Resource Block Bandwidth for Frequency Domain Channel-Dependent Scheduling in Evolved UTRA Downlink OFDM Radio Access. - Satoshi Nagata; Yoshiaki Ofuji; Kenichi Higuchi; Mamoru Sawahashi (VTC Spring, 2006)

Frequency Domain Channel-Dependent Scheduling Employing an Adaptive Transmission Bandwidth for Pilot Channel in Uplink Single-Carrier-FDMA Radio Access. - Yoshiaki Ofuji; Kenichi Higuchi; Mamoru Sawahashi (VTC Spring, 2006)

Pseudo-Inverse MMSE Based QRD-M Algorithm for MIMO OFDM. - Sumei Sun; Yongmei Dai; Zhongding Lei; Kenichi Higuchi; Hiroyuki Kawai (VTC Spring, 2006)

A new layered space-time-frequency architecture with LDPC coding for OFDM MIMO multiplexing. - Yuanliang Huang; Jiangzhou Wang; Kenichi Higuchi; Mamoru Sawahashi (WCNC, 2006)

Special Issue on MC-SS Experiments on space diversity effect in MIMO channel transmission with maximum data rate of 1 Gbps in downlink OFDM radio access. - Hidekazu Taoka; Kenichi Higuchi; Mamoru Sawahashi (Eur. Trans. Telecommun., 2006)

Experiments on real-time 1-Gb/s packet transmission using MLD-based signal detection in MIMO-OFDM broadband radio access. - Kenichi Higuchi; Hiroyuki Kawai; Noriyuki Maeda; Hidekazu Taoka; Mamoru Sawahashi (IEEE J. Sel. Areas Commun., 2006)

Adaptive control of surviving symbol replica candidates in QRM-MLD for OFDM MIMO multiplexing. - Hiroyuki Kawai; Kenichi Higuchi; Noriyuki Maeda; Mamoru Sawahashi (IEEE J. Sel. Areas Commun., 2006)

Performance Evaluation of Closed-Loop based Antenna Switching Transmit Diversity Associated with Frequency Domain Channel-Dependent Scheduling in E-UTRA Uplink. - Hiroyuki Kawai; Hidekazu Taoka; Kenichi Higuchi; Mamoru Sawahashi (PIMRC, 2007)

Investigation on Optimum Coding and Multiplexing Schemes for L1/L2 Control Signals in OFDM based Evolved UTRA Downlink. - Nobuhiko Miki; Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi (PIMRC, 2007)

A Novel Layered Space-Time-Frequency Architecture with Convolutional Coding. - Yuanliang Huang; Jiangzhou Wang; Kenichi Higuchi (VTC Spring, 2007)

Layer 1 / Layer 2 Control Channel Structure in Single-Carrier FDMA Based Evolved UTRA Uplink. - Teruo Kawamura; Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi (VTC Spring, 2007)

Investigations on Synchronization Channel Sequences in OFDM Based Evolved UTRA Downlink. - Satoshi Nagata; Yoshihisa Kishiyama; Motohiro Tanno; Kenichi Higuchi; Mamoru Sawahashi (VTC Fall, 2007)

Group-Wised Reference Signal Allocation for Single-Carrier FDMA Radio Access in Evolved UTRA Uplink. - Yoshiaki Ofuji; Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi (VTC Spring, 2007)

Field Experiments on Ultimate Frequency Efficiency Exceeding 30 Bit/Second/Hz Using MLD Signal Detection in MIMO-OFDM Broadband Packet Radio Access. - Hidekazu Taoka; Ki Dai; Kenichi Higuchi; Mamoru Sawahashi (VTC Spring, 2007)

Optimum Adaptive Modulation and Channel Coding Scheme for Frequency Domain Channel-Dependent Scheduling in OFDM Based Evolved UTRA Downlink. - Nobuhiko Miki; Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi (WCNC, 2007)

Physical Channel Structures and Cell Search Method for Scalable Bandwidth for OFDM Radio Access in Evolved UTRA Downlink. - Motohiro Tanno; Kenichi Higuchi; Satoshi Nagata; Yoshihisa Kishiyama; Mamoru Sawahashi (IEICE Trans. Commun., 2007)

Iterative Signal Processing for Coded LSTF Architectures. - Yuanliang Huang; Jiangzhou Wang; Kenichi Higuchi; Mamoru Sawahashi (IEEE Trans. Wirel. Commun., 2007)

3G evolution scenario toward 4G: Super 3G concept. - Seizo Onoe; Takehiro Nakamura; Kenichi Higuchi (Wirel. Commun. Mob. Comput., 2007)

Effect of noise suppression in channel estimation for single-carrier FDMA radio access with variable transmission bandwidth. - Takayuki Sakurai; Mamoru Sawahashi; Teruo Kawamura; Kenichi Higuchi (ISWCS, 2008)

Multi-Degree Adaptive Cyclic Delay Diversity with Multi-User Scheduling. - Jingxiu Liu; Xiaoming She; Lan Chen; Hidekazu Taoka; Kenichi Higuchi (VTC Spring, 2008)

Layered OFDMA Radio Access for IMT-Advanced. - Motohiro Tanno; Yoshihisa Kishiyama; Hidekazu Taoka; Nobuhiko Miki; Kenichi Higuchi; Mamoru Sawahashi (VTC Fall, 2008)

OFCDM: a promising broadband wireless access technique. - Yiqing Zhou 001; Tung-Sang Ng; Jiangzhou Wang; Kenichi Higuchi; Mamoru Sawahashi (IEEE Commun. Mag., 2008)

Orthogonal Pilot Channel Using Combination of FDMA and CDMA in Single-Carrier FDMA-Based Evolved UTRA Uplink. - Teruo Kawamura; Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2008)

Multi-Codebook Based Beamforming and Scheduling for MIMO-OFDM Systems with Limited Feedback. - Xiaoming She; Jingxiu Liu; Lan Chen; Hidekazu Taoka; Kenichi Higuchi (IEICE Trans. Commun., 2008)

Field Experiments on MIMO Multiplexing with Peak Frequency Efficiency of 50 Bit/Second/Hz Using MLD Based Signal Detection for OFDM High-Speed Packet Access. - Hidekazu Taoka; Ki Dai; Kenichi Higuchi; Mamoru Sawahashi (IEEE J. Sel. Areas Commun., 2008)

Fault Management in Functionally Distributed Transport Networking for Large Scale Networks. - Kentaro Ogawa; Kenichi Higuchi; Shinichiro Chaki (INCoS, 2009)

MLD Based MIMO-OFDM Demodulation and Decoding LSI with Low Power Consumption for Release 8 LTE. - Nobuhiko Miki; Hiroyuki Kawai; Hidekazu Taoka; Kenichi Higuchi; Mamoru Sawahashi; Hiroyuki Matsuno; Hiroyuki Nagasaka (VTC Fall, 2009)

Investigation on Optimum Radio Link Connection Using Remote Radio Equipment in Heterogeneous Network for LTE-Advanced. - Akihito Morimoto; Motohiro Tanno; Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi (VTC Spring, 2009)

Investigation on Optimum Radio Parameter Design in Layered OFDMA for LTE-Advanced. - Kazuaki Takeda 002; Satoshi Nagata; Yoshihisa Kishiyama; Motohiro Tanno; Kenichi Higuchi; Mamoru Sawahashi (VTC Spring, 2009)

Adaptive Selection of Surviving Symbol Replica Candidates for Quasi-Maximum Likelihood Detection Using M-Algorithm with QR-Decomposition for OFDM MIMO Multiplexing. - Kenichi Higuchi; Hiroyuki Kawai; Hidekazu Taoka; Noriyuki Maeda; Mamoru Sawahashi (IEICE Trans. Commun., 2009)

Influence of Channel Estimation Error on MIMO Multiplexing Using Precoding in Downlink OFDM Radio Access. - Takashi Isogai; Mamoru Sawahashi; Hidekazu Taoka; Kenichi Higuchi (IEICE Trans. Commun., 2009)

Single-Carrier Based Multiplexing of Layer 1/Layer 2 Control Signals in Evolved UTRA Uplink Using DFT-Spread OFDM. - Teruo Kawamura; Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2009)

Investigations on Physical Random Access Channel Structure in Evolved UTRA Uplink. - Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2009)

Experimental Evaluation of Time Diversity Effect in Hybrid ARQ Considering Space and Path Diversity for Downlink OFDM-Based Broadband Radio Access. - Nobuhiko Miki; Hiroyuki Atarashi; Kenichi Higuchi; Mamoru Sawahashi; Masao Nakagawa (IEICE Trans. Commun., 2009)

Optimum Adaptive Modulation and Channel Coding Scheme for Frequency Domain Channel-Dependent Scheduling in OFDM Based Evolved UTRA Downlink. - Nobuhiko Miki; Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi; Masao Nakagawa (IEICE Trans. Commun., 2009)

Performance Evaluations of MBMS Signals Using Transmit/Receiver Diversity with SFN in OFDM Based Evolved UTRA Downlink. - Akihito Morimoto; Yoshihisa Kishiyama; Motohiro Tanno; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2009)

Block-Wise Resource Block-Level Distributed Transmission for Shared Data Channel in OFDMA Evolved UTRA Downlink. - Satoshi Nagata; Yoshiaki Ofuji; Yoshihisa Kishiyama; Nobuhiko Miki; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2009)

Cell Search Time Comparison Using Hierarchical and Non-hierarchical Synchronization Channels in OFDM Based Evolved UTRA Downlink. - Satoshi Nagata; Motohiro Tanno; Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2009)

Investigation on Optimum Control Interval for Intra-Cell Fractional TPC Using AMC for Shared Channel in Evolved UTRA Uplink. - Daisuke Nishikawa; Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2009)

Investigation of Inter-Cell Transmission Power Control Using Overload Indicator for Selected Users for Evolved UTRA Uplink. - Daisuke Nishikawa; Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2009)

Performance Comparison between Turbo Code and Rate-Compatible LDPC Code for Evolved UTRA Downlink OFDM Radio Access. - Naoto Okubo; Nobuhiko Miki; Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2009)

Layered OFDMA and Its Radio Access Techniques for LTE-Advanced. - Motohiro Tanno; Yoshihisa Kishiyama; Hidekazu Taoka; Nobuhiko Miki; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2009)

Experiments on Handover Using Combination of Bicast and Forwarding of IP Packet for Future IP-Based RANs. - Motohiro Tanno; Akihito Morimoto; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2009)

Field Experiments on Real-Time 1-Gbps High-Speed Packet Transmission in MIMO-OFDM Broadband Packet Radio Access. - Hidekazu Taoka; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2009)

Comparisons between Common and Dedicated Reference Signals for MIMO Multiplexing Using Precoding in Evolved UTRA Downlink. - Hidekazu Taoka; Yoshihisa Kishiyama; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2009)

Coverage Performance of Common/Shared Control Signals Using Transmit Diversity in Evolved UTRA Downlink. - Hidekazu Taoka; Akihito Morimoto; Hiroyuki Kawai; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2009)

Field Experiments on Open-Loop Type Transmit Diversity in OFDM Radio Access. - Shohei Tsuchida; Mamoru Sawahashi; Hidekazu Taoka; Kenichi Higuchi (IEICE Trans. Commun., 2009)

Multiple-Encoder Layered Space-Time-Frequency Architecture with QRM-MLD Detection. - Yuanliang Huang; Kenichi Higuchi; Mamoru Sawahashi (ICC, 2010)

Partially non-orthogonal block diagonalization-based precoding in multiuser MIMO with limited channel state information feedbacks. - Yuki Tajika; Ryosuke Kimura; Masahiro Watanabe; Kenichi Higuchi (PIMRC, 2010)

Clipping and Filtering-Based PAPR Reduction Method for Precoded OFDM-MIMO Signals. - Masao Iwasaki; Kenichi Higuchi (VTC Spring, 2010)

CF-Based Adaptive PAPR Reduction Method for Precoded MIMO-OFDM Signals in Frequency-Selective Faded Channel. - Yoshinari Sato; Masao Iwasaki; Kenichi Higuchi (VTC Fall, 2010)

Frequency-Domain Punctured Turbo Codes. - Koichi Tahara; Kenichi Higuchi (VTC Fall, 2010)

HARQ for Predetermined-Rate Multicast Channel. - Fuminori Takahashi; Kenichi Higuchi (VTC Spring, 2010)

Investigation of Inter-Node B Macro Diversity for Single-Carrier Based Radio Access in Evolved UTRA Uplink. - Hiroyuki Kawai; Akihito Morimoto; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2010)

Non-orthogonal access with SIC in cellular downlink for user fairness enhancement. - Shun Tomida; Kenichi Higuchi (ISPACS, 2011)

Efficient adaptive frequency partitioning in OFDMA downlink with fractional frequency reuse. - Yohei Umeda; Kenichi Higuchi (ISPACS, 2011)

Bi-Directional Signal Detection and Decoding for Hybrid ARQ Using Superposition Coding. - Yasuyuki Hasegawa; Kenichi Higuchi (VTC Fall, 2011)

CF-Based Adaptive PAPR Reduction Method for Block Diagonalization-Based Multiuser MIMO-OFDM Signals. - Ryosuke Kimura; Yuki Tajika; Kenichi Higuchi (VTC Spring, 2011)

Muting-Based Partially Non-Orthogonal Block Diagonalization in Multiuser MIMO with Limited Channel State Information Feedback. - Yuki Tajika; Kenichi Higuchi; Hidekazu Taoka (VTC Fall, 2011)

Enhanced User Fairness Using Non-Orthogonal Access with SIC in Cellular Uplink. - Tomohiro Takeda; Kenichi Higuchi (VTC Fall, 2011)

Channel-Dependent Adaptive Spreading Code Selection in Downlink MC-CDMA. - Shota Yoshimura; Kenichi Higuchi (VTC Spring, 2011)

Complexity-Reduced MLD Based on QR Decomposition in OFDM MIMO Multiplexing with Frequency Domain Spreading and Code Multiplexing. - Kouji Nagatomi; Hiroyuki Kawai; Kenichi Higuchi (EURASIP J. Adv. Signal Process., 2011)

Partially Non-orthogonal Block Diagonalization-Based Precoding in Downlink Multiuser MIMO with Limited Channel State Information Feedback. - Yuki Tajika; Hidekazu Taoka; Kenichi Higuchi (IEICE Trans. Commun., 2011)

Fault Recovery Performance Analysis of Functionally Distributed Transport Networking System. - Kentaro Ogawa; Kenichi Higuchi; Shinichiro Chaki (Intelligent Networking, Collaborative Systems and Applications, 2011)

Layered block diagonalization for base station cooperated multiuser MIMO with partial channel state information feedback. - Kenichi Higuchi (ICNC, 2012)

Throughput performance of layered partially non-orthogonal block diagonalization with adaptive interference admission control in distributed antenna system. - Yusuke Oshima; Anass Benjebbour; Kenichi Higuchi (ICCS, 2012)

Enhancing user fairness in non-orthogonal access with successive interference cancellation for cellular downlink. - Junpei Umehara; Yoshihisa Kishiyama; Kenichi Higuchi (ICCS, 2012)

Uplink non-orthogonal access with MMSE-SIC in the presence of inter-cell interference. - Yuki Endo; Yoshihisa Kishiyama; Kenichi Higuchi (ISWCS, 2012)

Adaptive interference admission control for layered partially nonorthogonal block diagonalization for base station cooperative MIMO. - Yusuke Oshima; Anass Benjebbour; Kenichi Higuchi (ISWCS, 2012)

Performance of non-orthogonal access with SIC in cellular downlink using proportional fair-based resource allocation. - Nagisa Otao; Yoshihisa Kishiyama; Kenichi Higuchi (ISWCS, 2012)

Throughput Performance of CF-Based Adaptive PAPR Reduction Method for Eigenmode MIMO-OFDM Signals with AMC. - Shoki Inoue; Kenichi Higuchi; Teruo Kawamura (VTC Fall, 2012)

Proposal of scale-out control architecture of virtual wide area layer-2 switch on metro network. - Hiroki Date; Kenichi Higuchi; Masaru Katayama; Akira Misawa (APCC, 2013)

A simple downlink transmission power control method for worst user throughput maximization in heterogeneous networks. - Tomoyuki Aota; Kenichi Higuchi (ICSPCS, 2013)

Inter-cell interference coordination using coordinated inter-cell interference power control in uplink. - Kenichi Higuchi; Yoshiko Saito; Seigo Nakao (ICSPCS, 2013)

Inter-cell interference coordination using frequency block dependent transmission power control and PF scheduling in non-orthogonal access with SIC for cellular uplink. - Hiromi Katayama; Yoshihisa Kishiyama; Kenichi Higuchi (ICSPCS, 2013)

Investigations on Power Allocation among Beams in Non-Orthogonal Access with Random Beamforming and Intra-Beam SIC for Cellular MIMO Downlink. - Yuta Hayashi; Yoshihisa Kishiyama; Kenichi Higuchi (VTC Fall, 2013)

Non-Orthogonal Access with Random Beamforming and Intra-Beam SIC for Cellular MIMO Downlink. - Kenichi Higuchi; Yoshihisa Kishiyama (VTC Fall, 2013)

Simple Decentralized Cell Association Method for Heterogeneous Networks in Fading Channel. - Tetsunosuke Koizumi; Kenichi Higuchi (VTC Fall, 2013)

Influence of CSI Estimation Error and Feedback Delay on Throughput of Layered Partially Non-Orthogonal Block Diagonalization with Adaptive Interference Admission Control for BS Cooperative MU-MIMO. - Yusuke Oshima; Kenichi Higuchi (VTC Spring, 2013)

Non-Orthogonal Multiple Access (NOMA) for Cellular Future Radio Access. - Yuya Saito; Yoshihisa Kishiyama; Anass Benjebbour; Takehiro Nakamura; Anxin Li; Kenichi Higuchi (VTC Spring, 2013)

Foreword. - Kenichi Higuchi (IEICE Trans. Commun., 2013)

Throughput/ACLR Performance of CF-Based Adaptive PAPR Reduction Method for Eigenmode MIMO-OFDM Signals with AMC. - Shoki Inoue; Teruo Kawamura; Kenichi Higuchi (IEICE Trans. Commun., 2013)

A Simple Decentralized Cell Association Method for Heterogeneous Networks. - Tetsunosuke Koizumi; Kenichi Higuchi (IEICE Trans. Commun., 2013)

Clipping and Filtering-Based Adaptive PAPR Reduction Method for Precoded OFDM-MIMO Signals. - Yoshinari Sato; Masao Iwasaki; Shoki Inoue; Kenichi Higuchi (IEICE Trans. Commun., 2013)

Adaptive Amplify-and-Forward Relaying for Cellular Downlink. - Kiichi Tateishi; Kenichi Higuchi (IEICE Trans. Commun., 2013)

Evaluation of parallel processing control of virtual switch architecture on large-scale network. - Hiroki Date; Kenichi Higuchi; Masaru Katayama; Hiroaki Ogawa (GLOBECOM, 2014)

Adaptive frequency-domain puncturing for turbo coded single-carrier transmission. - Kengo Nakamura 003; Kenichi Higuchi (ICCS, 2014)

System-level throughput of NOMA using intra-beam superposition coding and SIC in MIMO downlink when channel estimation error exists. - Nobuhide Nonaka; Anass Benjebbour; Kenichi Higuchi (ICCS, 2014)

Proportional Fair-Based Joint Optimization of Cell Association and Inter-Cell Interference Coordination for Heterogeneous Networks. - Yoshitaka Ikeda; Shozo Okasaka; Masayuki Hoshino; Kenichi Higuchi (VTC Fall, 2014)

Joint Control of Autonomous Cell Association and Power Control for Heterogeneous Networks with Inter-Cell Interference Coordination. - Kota Ito; Kenichi Higuchi (VTC Fall, 2014)

Non-Orthogonal Access with SIC Using Inter-Cell Interference Coordination Based on Coordinated Power Control for Cellular Uplink. - Hiromi Katayama; Kenichi Higuchi (VTC Spring, 2014)

Transmission Power Control Method Using Protected and Non-Protected Bands Based on Shared Metric among Base Stations for Downlink Heterogeneous Networks. - Soya Matsui; Kenichi Higuchi (VTC Fall, 2014)

Joint Transmitter/Receiver Channel Equalization for Frequency-Domain Punctured Turbo Codes. - Kengo Nakamura 003; Kazuki Takeda; Kenichi Higuchi (VTC Spring, 2014)

Investigation on Beamforming Control Methods in Base Station Cooperative Multiuser MIMO Using Block-Diagonalized Beamforming Matrix. - Nobuhide Nonaka; Yuichi Kakishima; Kenichi Higuchi (VTC Fall, 2014)

System-Level Throughput of Non-Orthogonal Access with SIC in Cellular Downlink When Channel Estimation Error Exists. - Kenta Yamamoto; Yuya Saito; Kenichi Higuchi (VTC Spring, 2014)

A Novel Adaptive Interference Admission Control Method for Layered Partially Non-orthogonal Block Diagonalization for Base Station Cooperative MIMO. - Yusuke Oshima; Anass Benjebbour; Kenichi Higuchi (IEICE Trans. Commun., 2014)

Downlink NOMA with SIC using unified user grouping for non-orthogonal user multiplexing and decoding order. - Keita Yakou; Kenichi Higuchi (ISPACS, 2015)

Online probabilistic activation control of picocells for system throughput maximization in heterogeneous networks. - Yusaku Yamazaki; Kenichi Higuchi (ISPACS, 2015)

Decentralized user association for (p, α)-proportional fair-based system throughput maximization in cellular networks. - Takumi Fukunaga; Yasuaki Yuda; Masayuki Hoshino; Kenichi Higuchi (ISWCS, 2015)

System-level throughput of NOMA with SIC in cellular downlink under FTP traffic model. - Masahiro Kimura; Kenichi Higuchi (ISWCS, 2015)

Distributed transmission power control method based on soft FFR for cellular downlink. - Daiki Nakajima; Yusuke Takahashi; Yasuaki Yuda; Masayuki Hoshino; Kenichi Higuchi (ISWCS, 2015)

Scalable Centralized Control Architecture of Virtual Switch on Large-Scale Network. - Hiroki Date; Kenichi Higuchi; Masaru Katayama; Katsutoshi Koda (IEICE Trans. Commun., 2015)

Non-orthogonal Multiple Access (NOMA) with Successive Interference Cancellation for Future Radio Access. - Kenichi Higuchi; Anass Benjebbour (IEICE Trans. Commun., 2015)

Non-Orthogonal Multiple Access Using Intra-Beam Superposition Coding and Successive Interference Cancellation for Cellular MIMO Downlink. - Kenichi Higuchi; Yoshihisa Kishiyama (IEICE Trans. Commun., 2015)

Inter-Cell Interference Coordination Method Based on Coordinated Inter-Cell Interference Power Control in Uplink. - Kenichi Higuchi; Yoshiko Saito; Seigo Nakao (IEICE Trans. Commun., 2015)

Performance Evaluations of Transmit Diversity Schemes with Synchronization Signals for LTE Downlink. - Satoshi Nagata; Yoshihisa Kishiyama; Motohiro Tanno; Kenichi Higuchi; Mamoru Sawahashi (IEICE Trans. Commun., 2015)

Base Station Cooperative Multiuser MIMO Using Block-Diagonalized Random Beamforming with Online Update. - Nobuhide Nonaka; Anass Benjebbour; Kenichi Higuchi (IEICE Trans. Commun., 2015)

Non-Orthogonal Multiple Access Using Intra-Beam Superposition Coding and SIC in Base Station Cooperative MIMO Cellular Downlink. - Nobuhide Nonaka; Yoshihisa Kishiyama; Kenichi Higuchi (IEICE Trans. Commun., 2015)

Performance of Non-orthogonal Multiple Access with SIC in Cellular Downlink Using Proportional Fair-Based Resource Allocation. - Nagisa Otao; Yoshihisa Kishiyama; Kenichi Higuchi (IEICE Trans. Commun., 2015)

A Practical-time Attack on Reduced-round MISTY1. - Nobuyuki Sugio; Yasutaka Igarashi; Toshinobu Kaneko; Kenichi Higuchi (ICISSP, 2016)

NOMA for Future Cellular Systems. - Kenichi Higuchi (VTC Fall, 2016)

New Integral Characteristics of KASUMI Derived by Division Property. - Nobuyuki Sugio; Yasutaka Igarashi; Toshinobu Kaneko; Kenichi Higuchi (WISA, 2016)

Enhancing the Performance of the Quasi-ML Receiver (Detector Plus Decoder) for Coded MIMO Systems Via Statistical Information. - Xiaoming Dai; Kenichi Higuchi; Zhongshan Zhang; Keping Long; Xu Jin; Xiangming Li; Weiguo Ma (IEEE Trans. Veh. Technol., 2016)

Adaptive initial interpolation vector setting method in iterative time-domain compression method for MIMO channel state information. - Masafumi Iizuka; Kiichi Tateishi; Kenichi Higuchi (APCC, 2017)

Low latency hybrid ARQ method using channel state information before channel decoding. - Yuta Imamura; Dairoku Muramatsu; Yoshihisa Kishiyama; Kenichi Higuchi (APCC, 2017)

Investigations on transmitter beamforming control based on firefly algorithm in massive MIMO systems with per-antenna power constraint for system throughput maximization. - Kento Kawai; Takashi Yamanaka; Kiichi Tateishi; Kenichi Higuchi (APCC, 2017)

Performance evaluations on adaptive PAPR reduction method using null space in MIMO channel for eigenmode massive MIMO-OFDM signals. - Yuki Matsumoto; Kiichi Tateishi; Kenichi Higuchi (APCC, 2017)

Investigation on optimum frequency bandwidth allocation method among service channels for system throughput maximization. - Shota Mizuno; Dairoku Muramatsu; Yasuaki Yuda; Kenichi Higuchi (APCC, 2017)

Improved algorithm for online probabilistic transmission power control of base stations based on observed system throughput in heterogeneous networks. - Takahiro Saito; Kenichi Higuchi (APCC, 2017)

Joint optimization method for user association and time/frequency-domain scheduling to maximize system throughput in heterogeneous networks. - Yuto Wakai; Kiichi Tateishi; Kenichi Higuchi (APCC, 2017)

Transmitter beamforming control based on firefly algorithm for massive MIMO systems with per-antenna power constraint. - Takashi Yamanaka; Kenichi Higuchi (APCC, 2017)

Decentralized Iterative User Association Method for (p, α)-Proportional Fair-Based System Throughput Maximization in Heterogeneous Cellular Networks. - Kenichi Higuchi; Yasuaki Yuda (IEICE Trans. Commun., 2017)

Joint Optimization of User Association and Inter-Cell Interference Coordination for Proportional Fair-Based System Throughput Maximization in Heterogeneous Cellular Networks. - Yoshitaka Ikeda; Shozo Okasaka; Kenichi Higuchi (IEICE Trans. Commun., 2017)

Radio Access Technologies for Broadband Mobile Communications. - Mamoru Sawahashi; Kenichi Higuchi (IEICE Trans. Commun., 2017)

Investigation on Structure of Interference Canceller for IDMA-Based Random Access. - Masayuki Kawata; Kiichi Tateishi; Kenichi Higuchi (VTC Fall, 2018)

Channel-Dependent Dynamic Frequency Bandwidth Allocation Method Among Service Channels to Maximize Integrated System Throughput. - Tatsuki Sakai; Yasuaki Yuda; Kenichi Higuchi (VTC Fall, 2018)

Frequency Block-Dependent Online Probabilistic Transmission Power Control of Base Stations in Heterogeneous Networks. - Ryo Inaba; Yoshihisa Kishiyama; Kenichi Higuchi (WPMC, 2018)

Adaptive Step Size Control for Update of Activation Probability in Online Probabilistic BS Activation Control Method. - Ryota Ochiai; Yoshihisa Kishiyama; Kenichi Higuchi (WPMC, 2018)

Inter-Base Station Cooperative Scheduling Method Among Multiple Service Channels to Maximize Integrated System Throughput. - Tatsuki Sakai; Yasuaki Yuda; Kenichi Higuchi (WPMC, 2018)

Frequency Block-Dependent Online Probabilistic Activation Control of Base Stations in Heterogeneous Networks. - Keiki Shimada; Yoshihisa Kishiyama; Kenichi Higuchi (WPMC, 2018)

Combination of Beamforming with Per-Antenna Power Constraint and Adaptive PAPR Reduction Method Using Null Space in MIMO Channel for Multiuser Massive MIMO-OFDM Transmission. - Mikihito Suzuki; Yoshihisa Kishiyama; Kenichi Higuchi (WPMC, 2018)

Investigation on Retransmission Scheme for IDMA-Based Random Access. - Yuichiro Shake; Yoshihisa Kishiyama; Kenichi Higuchi (APWCS, 2019)

Complexity-Reduced Algorithm for Adaptive PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals. - Mikihito Suzuki; Taku Suzuki; Yoshihisa Kishiyama; Kenichi Higuchi (APWCS, 2019)

Method for Generating Peak Cancellation Signals in Complexity-Reduced PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals. - Taku Suzuki; Mikihito Suzuki; Yoshihisa Kishiyama; Kenichi Higuchi (APWCS, 2019)

Inter-cell Coordinated Transmission Power Control for IDMA-Based Random Access. - Masayuki Kawata; Tsubasa Miyata; Yoshihisa Kishiyama; Kenichi Higuchi (ISPACS, 2019)

Low Latency HARQ Method Using Early Retransmission Before Channel Decoding Based on Superposition Coding. - Koka Miura; Yoshihisa Kishiyama; Kenichi Higuchi (ISPACS, 2019)

Performance Evaluation of IDMA-Based Random Access Considering User Detection and Channel Estimation. - Taiki Tomizawa; Yoshihisa Kishiyama; Kenichi Higuchi (ISPACS, 2019)

Decentralized Probabilistic Frequency-Block Activation Control for Inter-Cell Interference Coordination and Traffic Load Balancing. - Fumiya Ishikawa; Yoshihisa Kishiyama; Kenichi Higuchi (VTC Fall, 2019)

NOMA-Based Optimal Multiplexing Method for Downlink Service Channels to Maximize Integrated System Throughput. - Teruaki Shikuma; Yasuaki Yuda; Kenichi Higuchi (VTC Fall, 2019)

Low Latency HARQ Method Using Early Retransmission Prior to Channel Decoding with Multistage Decision. - Kentarou Taniyama; Yoshihisa Kishiyama; Kenichi Higuchi (VTC Fall, 2019)

Online Probabilistic Activation Control of Base Stations Considering Both Uplink and Downlink System Throughput. - Naoki Uji; Yoshihisa Kishiyama; Kenichi Higuchi (VTC Fall, 2019)

Interleaver-Linked Receiver Beamforming with Transmitter Channel Equalization in TDD-IDMA-Based Random Access. - Yuto Muroki; Yotaro Murakami; Yoshihisa Kishiyama; Kenichi Higuchi (VTC Fall, 2020)

NOMA-Based Inter-Base Station Cooperative Scheduling Method Among Multiple Service Channels to Maximize Integrated System Throughput. - Teruaki Shikuma; Yasuaki Yuda; Kenichi Higuchi (VTC Spring, 2020)

User Group Selection Method in Multiuser MIMO-OFDM Transmission with Adaptive PAPR Reduction Using Null Space in MIMO Channel. - Shyunsei Shin; Nobuhide Nonaka; Kenichi Higuchi (VTC Fall, 2020)

Parallelly Processed Peak Cancellation Signal-Based PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals. - Taku Suzuki; Mikihito Suzuki; Yoshihisa Kishiyama; Kenichi Higuchi (VTC Spring, 2020)

PC-Signal-Based PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals in Frequency-Selective Fading Channel. - Leon Yamaguchi; Nobuhide Nonaka; Kenichi Higuchi (VTC Fall, 2020)

Decentralized Probabilistic Frequency-Block Activation Control Method of Base Stations for Inter-cell Interference Coordination and Traffic Load Balancing. - Fumiya Ishikawa; Keiki Shimada; Yoshihisa Kishiyama; Kenichi Higuchi (IEICE Trans. Commun., 2020)

Performance Evaluation of IDMA-Based Random Access with Various Structures of Interference Canceller. - Masayuki Kawata; Kiichi Tateishi; Kenichi Higuchi (IEICE Trans. Commun., 2020)

NOMA-Based Optimal Multiplexing for Multiple Downlink Service Channels to Maximize Integrated System Throughput. - Teruaki Shikuma; Yasuaki Yuda; Kenichi Higuchi (IEICE Trans. Commun., 2020)

Complexity-Reduced Adaptive PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals. - Taku Suzuki; Mikihito Suzuki; Yoshihisa Kishiyama; Kenichi Higuchi (IEICE Trans. Commun., 2020)

Faster-than-Nyquist Signaling Assigning Increased Resources to Parity Bits for Turbo-Coded OFDM. - Tsubasa Shobudani; Mamoru Sawahashi; Kenichi Higuchi; Yoshihisa Kishiyama (ISWCS, 2021)

Measurement Frequency Evaluation for Bioimpedance-Based Blood-Glucose Estimation. - Reo Takamatsu; Kenichi Higuchi; Dairoku Muramatsu (LifeTech, 2021)

HARQ Using Hierarchical Tree-Structured Physical Channel Identifiers in NOMA-Based Random Access for Multi-Packet Reception. - Megumi Asada; Nobuhide Nonaka; Kenichi Higuchi (VTC Fall, 2021)

NOMA-Based Highly-Efficient Low-Latency HARQ Method for URLLC. - Ryota Kobayashi; Yasuaki Yuda; Kenichi Higuchi (VTC Fall, 2021)

PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals in Multiple-Antenna AF Relay Transmission. - Yuki Sekiguchi; Nobuhide Nonaka; Kenichi Higuchi (VTC Fall, 2021)

Online Probabilistic Activation Control of Base Stations Utilizing Temporal System Throughput and Activation States of Neighbor Cells. - Junya Tani; Kenichi Higuchi (VTC Fall, 2021)

Investigation of Transmitter Filtering Method for Random Access with Channel Identifier Linked Receiver Beamforming. - Shogo Uchida; Nobuhide Nonaka; Kenichi Higuchi (VTC Fall, 2021)

Computationally-Efficient Preamble Design Appropriate for Random Access Achieving Multi - Packet Reception. - Kou Watanuki; Kenichi Higuchi (VTC Fall, 2021)

Parallel Peak Cancellation Signal-Based PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Transmission. - Taku Suzuki; Mikihito Suzuki; Kenichi Higuchi (IEICE Trans. Commun., 2021)

PAPR Reduction Using Null Space in MIMO Channel Based on Signal Processing at Base Station for Downlink AF-Based Relaying MIMO-OFDM Signals. - Asuka Kakehashi; Nobuhide Nonaka; Kenichi Higuchi (VTC Fall, 2022)

Activation Control of Base Stations Based on Multi-agent DQN for Heterogeneous Networks. - Daiki Kato; Yuto Muroki; Nobuhide Nonaka; Kenichi Higuchi (VTC Fall, 2022)

Autonomous Decentralized User Association Method to Maximize Integrated System Throughput for Multi-service Coexistence. - Kazuma Matsumoto; Takanori Hara; Yasuaki Yuda; Kenichi Higuchi (VTC Fall, 2022)

Repetition-Based NOMA-HARQ with Adaptive Termination for URLLC. - Go Takita; Takanori Hara; Yasuaki Yuda; Kenichi Higuchi (VTC Fall, 2022)

HARQ Using Hierarchical Tree-Structured Random Access Identifiers with Random Retransmission Time Back-Off in NOMA-Based Random Access. - Katsuya Yanai; Takanori Hara; Nobuhide Nonaka; Kenichi Higuchi (VTC Fall, 2022)

PAPR Reduction of OFDM Signals Using Null Space in MIMO Channel for MIMO Amplify-and-Forward Relay Transmission. - Yuki Sekiguchi; Nobuhide Nonaka; Kenichi Higuchi (IEICE Trans. Commun., 2022)

Online Probabilistic Activation Control of Base Stations Utilizing Temporal System Throughput and Activation States of Neighbor Cells for Heterogeneous Networks. - Junya Tani; Kenichi Higuchi (IEICE Trans. Commun., 2022)

Random Access Identifier-Linked Receiver Beamforming with Transmitter Filtering in TDD-Based Random Access. - Yuto Muroki; Yotaro Murakami; Yoshihisa Kishiyama; Kenichi Higuchi (IEICE Trans. Commun., 2022)

PAPR Reduction Utilizing Difference in Singular Values Among Spatial Channels in Uplink Eigenmode Massive MIMO Transmission. - Yuta Abekura; Kenichi Higuchi (ACSSC, 2023)

Integration of Index and Differential Modulation for Non-coherent Grant-free NOMA. - Eiji Yoshimura; Takanori Hara; Kenichi Higuchi (ACSSC, 2023)

PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals at Multiple-Antenna AF Relay Station Considering Direct Link from Base Station to User Equipment. - Asuka Kakehashi; Kenichi Higuchi (GCCE, 2023)

Low-Complexity User-Centric AP Clustering Method in Downlink Cell-Free MIMO with Regularized ZF-Based Beamforming. - Kato Hiroki; Takanori Hara; Satoshi Suyama; Satoshi Nagata; Kenichi Higuchi (VTC Fall, 2023)

Clustering Method in Downlink Cell-Free MIMO Using Layered Partially Non-orthogonal ZF-Based Beamforming. - Daisuke Ishii; Takanori Hara; Nobuhide Nonaka; Kenichi Higuchi (VTC2023-Spring, 2023)

Energy-Efficient Frequency Block-Dependent Base Station Sleep Control Based on a Decentralized Probabilistic Approach. - Hiroya Kuwahara; Takanori Hara; Yuto Muroki; Satoshi Nagata; Kenichi Higuchi (VTC Fall, 2023)

PAPR Reduction Using Null Space in MIMO Channel Considering Signal Power Difference Among Transmitter Antennas. - Jun Saito; Nobuhide Nonaka; Kenichi Higuchi (WCNC, 2023)

HARQ Using Hierarchical Tree-Structured Random Access Identifiers in NOMA-Based Random Access. - Megumi Asada; Nobuhide Nonaka; Kenichi Higuchi (IEICE Trans. Commun., 2023)

Highly-Efficient Low-Latency HARQ Built on NOMA for URLLC: Radio Resource Allocation and Transmission Rate Control Aspects. - Ryota Kobayashi; Yasuaki Yuda; Kenichi Higuchi (IEICE Trans. Commun., 2023)

NOMA-Based Highly-Efficient Low-Latency HARQ with Inter-Base Station Cooperation for URLLC. - Ryota Kobayashi; Takanori Hara; Yasuaki Yuda; Kenichi Higuchi (IEICE Trans. Commun., 2023)

Transmitter Filtering-aided Sparse Activity Detection for TDD-based Random Access. - Hiroki Fujimoto; Takanori Hara; Kenichi Higuchi (ICNC, 2024)

Peak Cancellation Signal-Based Parallel PAPR Reduction Method Using Low-Dimensional Null Space in Massive MIMO-OFDM. - Jun Saito; Takanori Hara; Kenichi Higuchi (ICNC, 2024)

Highly-Efficient Low-Latency Scheduling Method in Round-Trip Communication for Feedback Control. - Ryotaro Iizuka; Takanori Hara; Yasuaki Yuda; Kenichi Higuchi (VTC Spring, 2024)

Decentralized User Association Method to Maximize System-Level Throughput Satisfaction Rate in Co-existing Networks with HAPS and Terrestrial BSs. - Shoki Ikeda; Takanori Hara; Yuki Hokazono; Satoshi Suyama; Satoshi Nagata; Kenichi Higuchi (VTC Fall, 2024)

Autonomous Decentralized TRP Group Selection to Maximize System Throughput in Downlink Distributed MIMO System. - Koki Maeda; Takanori Hara; Satoshi Suyama; Satoshi Nagata; Kenichi Higuchi (VTC Fall, 2024)

Beam Selection Method Based on Angle-Domain Adaptive Beam Grouping for Massive MIMO Analog Beamforming Using NOMA in Cellular Downlink. - Azusa Matsumoto; Nobuhide Nonaka; Takanori Hara; Kenichi Higuchi (VTC Fall, 2024)

Distributed DQN-Based Frequency Block-Dependent Sleep Control of Base Stations for Improving Energy Efficiency Both in Up and Downlinks. - Yuma Shishido; Takanori Hara; Satoshi Suyama; Satoshi Nagata; Kenichi Higuchi (VTC Fall, 2024)

PAPR Reduction Using Average Transmit Signal Power Difference Among Transmit Antennas for Massive MIMO-OFDM with Uniform Planar Array. - Soma Taguchi; Takanori Hara; Satoshi Suyama; Satoshi Nagata; Kenichi Higuchi (VTC Spring, 2024)

Autonomous Decentralized TRP Group Selection and Bandwidth Allocation in Downlink Distributed MIMO with Overlapped TRP Group Configuration. - Yuta Yagi; Takanori Hara; Satoshi Suyama; Satoshi Nagata; Kenichi Higuchi (VTC Fall, 2024)

PAPR Reduction Method Based on Commonly Reserved Tones Among Multiple Users in FDMA Uplink. - Ryusei Yamazaki; Takanori Hara; Satoshi Suyama; Satoshi Nagata; Kenichi Higuchi (VTC Spring, 2024)

Base Station-Driven PAPR Reduction Method Utilizing Null Space for MIMO-OFDM Systems With Amplify-and-Forward Relaying. - Asuka Kakehashi; Takanori Hara; Kenichi Higuchi (IEEE Access, 2024)

Throughput Maximization-Based AP Clustering Methods in Downlink Cell-Free MIMO Under Partial CSI Condition. - Daisuke Ishii; Takanori Hara; Kenichi Higuchi (IEICE Trans. Commun., 2024)

Peak Cancellation Signal Generation Considering Variance in Signal Power among Transmitter Antennas in PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals. - Jun Saito; Nobuhide Nonaka; Kenichi Higuchi (IEICE Trans. Commun., 2024)

Efficient Parallel PAPR Reduction Method Using Null-Constrained Peak Cancellation Signal for Massive MIMO-OFDM Systems. - Jun Saito; Takanori Hara; Kenichi Higuchi (IEEE Open J. Commun. Soc., 2024)

Simple Delay and Channel-Aware Scheduling Method in Round-Trip Wireless Communication for Feedback Control. - Ryotaro Iizuka; Yasuaki Yuda; Kenichi Higuchi (WCNC, 2025)

Inter-Network Interference Coordination Using Protected Band in Co-existing Networks with HAPS and Terrestrial BSs. - Ryotaro Tsutsui; Takanori Hara; Yuki Hokazono; Satoshi Suyama; Satoshi Nagata; Kenichi Higuchi (WCNC, 2025)

Differential Modulation Based Non-Coherent Grant-Free NOMA Under Timing Offsets. - Eiji Yoshimura; Takanori Hara; Kohei Ueda; Koji Ishibashi; Kenichi Higuchi (WCNC, 2025)

Adaptive Interference Restriction Among Spatial Streams Based on Difference in Singular Values for PAPR Reduction in Uplink Eigenmode Massive MIMO Transmission. - Yuta Abekura; Takanori Hara; Satoshi Suyama; Satoshi Nagata; Kenichi Higuchi (IEEE Access, 2025)

Joint PAPR Reduction Using Null Space in MIMO Channel and Predistortion for MIMO-OFDM Signals in Multi-Antenna AF-Type Relay Transmission. - Asuka Kakehashi; Kenichi Higuchi (IEICE Trans. Commun., 2025)

Angle-Domain Beam Grouping-Based Beam Selection for Massive MIMO Analog Beamforming with NOMA in Cellular Downlink. - Nobuhide Nonaka; Kenichi Higuchi (IEICE Trans. Commun., 2025)