| 2025 | VTC | Efficient Channel Estimation Utilizing Channel Sparsity in the Delay Domain for OTFS Systems. | Masahiro Maruyama, Takanori Hara, Kenichi Higuchi |
| 2025 | WCNC | Simple Delay and Channel-Aware Scheduling Method in Round-Trip Wireless Communication for Feedback Control. | Ryotaro Iizuka, Yasuaki Yuda, Kenichi Higuchi |
| 2025 | WCNC | 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 |
| 2025 | WCNC | Differential Modulation Based Non-Coherent Grant-Free NOMA Under Timing Offsets. | Eiji Yoshimura, Takanori Hara, Kohei Ueda, Koji Ishibashi, Kenichi Higuchi |
| 2024 | VTC | Highly-Efficient Low-Latency Scheduling Method in Round-Trip Communication for Feedback Control. | Ryotaro Iizuka, Takanori Hara, Yasuaki Yuda, Kenichi Higuchi |
| 2024 | VTC | 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 |
| 2024 | VTC | Autonomous Decentralized TRP Group Selection to Maximize System Throughput in Downlink Distributed MIMO System. | Koki Maeda, Takanori Hara, Satoshi Suyama, Satoshi Nagata, Kenichi Higuchi |
| 2024 | VTC | 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 |
| 2024 | VTC | 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 |
| 2024 | VTC | 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 |
| 2024 | VTC | 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 |
| 2024 | VTC | PAPR Reduction Method Based on Commonly Reserved Tones Among Multiple Users in FDMA Uplink. | Ryusei Yamazaki, Takanori Hara, Satoshi Suyama, Satoshi Nagata, Kenichi Higuchi |
| 2023 | ACSSC | PAPR Reduction Utilizing Difference in Singular Values Among Spatial Channels in Uplink Eigenmode Massive MIMO Transmission. | Yuta Abekura, Kenichi Higuchi |
| 2023 | ACSSC | Integration of Index and Differential Modulation for Non-coherent Grant-free NOMA. | Eiji Yoshimura, Takanori Hara, Kenichi Higuchi |
| 2023 | VTC | 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 |
| 2023 | VTC | Clustering Method in Downlink Cell-Free MIMO Using Layered Partially Non-orthogonal ZF-Based Beamforming. | Daisuke Ishii, Takanori Hara, Nobuhide Nonaka, Kenichi Higuchi |
| 2023 | VTC | 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 |
| 2023 | WCNC | PAPR Reduction Using Null Space in MIMO Channel Considering Signal Power Difference Among Transmitter Antennas. | Jun Saito, Nobuhide Nonaka, Kenichi Higuchi |
| 2022 | VTC | 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 |
| 2022 | VTC | Activation Control of Base Stations Based on Multi-agent DQN for Heterogeneous Networks. | Daiki Kato, Yuto Muroki, Nobuhide Nonaka, Kenichi Higuchi |
| 2022 | VTC | Autonomous Decentralized User Association Method to Maximize Integrated System Throughput for Multi-service Coexistence. | Kazuma Matsumoto, Takanori Hara, Yasuaki Yuda, Kenichi Higuchi |
| 2022 | VTC | Repetition-Based NOMA-HARQ with Adaptive Termination for URLLC. | Go Takita, Takanori Hara, Yasuaki Yuda, Kenichi Higuchi |
| 2022 | VTC | 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 |
| 2021 | VTC | HARQ Using Hierarchical Tree-Structured Physical Channel Identifiers in NOMA-Based Random Access for Multi-Packet Reception. | Megumi Asada, Nobuhide Nonaka, Kenichi Higuchi |
| 2021 | VTC | NOMA-Based Highly-Efficient Low-Latency HARQ Method for URLLC. | Ryota Kobayashi, Yasuaki Yuda, Kenichi Higuchi |
| 2021 | VTC | PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals in Multiple-Antenna AF Relay Transmission. | Yuki Sekiguchi, Nobuhide Nonaka, Kenichi Higuchi |
| 2021 | VTC | Online Probabilistic Activation Control of Base Stations Utilizing Temporal System Throughput and Activation States of Neighbor Cells. | Junya Tani, Kenichi Higuchi |
| 2021 | VTC | Investigation of Transmitter Filtering Method for Random Access with Channel Identifier Linked Receiver Beamforming. | Shogo Uchida, Nobuhide Nonaka, Kenichi Higuchi |
| 2021 | VTC | Computationally-Efficient Preamble Design Appropriate for Random Access Achieving Multi - Packet Reception. | Kou Watanuki, Kenichi Higuchi |
| 2020 | VTC | Interleaver-Linked Receiver Beamforming with Transmitter Channel Equalization in TDD-IDMA-Based Random Access. | Yuto Muroki, Yotaro Murakami, Yoshihisa Kishiyama, Kenichi Higuchi |
| 2020 | VTC | NOMA-Based Inter-Base Station Cooperative Scheduling Method Among Multiple Service Channels to Maximize Integrated System Throughput. | Teruaki Shikuma, Yasuaki Yuda, Kenichi Higuchi |
| 2020 | VTC | 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 |
| 2020 | VTC | 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 |
| 2020 | VTC | 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 |
| 2019 | VTC | Decentralized Probabilistic Frequency-Block Activation Control for Inter-Cell Interference Coordination and Traffic Load Balancing. | Fumiya Ishikawa, Yoshihisa Kishiyama, Kenichi Higuchi |
| 2019 | VTC | NOMA-Based Optimal Multiplexing Method for Downlink Service Channels to Maximize Integrated System Throughput. | Teruaki Shikuma, Yasuaki Yuda, Kenichi Higuchi |
| 2019 | VTC | Low Latency HARQ Method Using Early Retransmission Prior to Channel Decoding with Multistage Decision. | Kentarou Taniyama, Yoshihisa Kishiyama, Kenichi Higuchi |
| 2019 | VTC | Online Probabilistic Activation Control of Base Stations Considering Both Uplink and Downlink System Throughput. | Naoki Uji, Yoshihisa Kishiyama, Kenichi Higuchi |
| 2018 | VTC | Investigation on Structure of Interference Canceller for IDMA-Based Random Access. | Masayuki Kawata, Kiichi Tateishi, Kenichi Higuchi |
| 2018 | VTC | Channel-Dependent Dynamic Frequency Bandwidth Allocation Method Among Service Channels to Maximize Integrated System Throughput. | Tatsuki Sakai, Yasuaki Yuda, Kenichi Higuchi |
| 2017 | APCC | Adaptive initial interpolation vector setting method in iterative time-domain compression method for MIMO channel state information. | Masafumi Iizuka, Kiichi Tateishi, Kenichi Higuchi |
| 2017 | APCC | Low latency hybrid ARQ method using channel state information before channel decoding. | Yuta Imamura, Dairoku Muramatsu, Yoshihisa Kishiyama, Kenichi Higuchi |
| 2017 | APCC | 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 |
| 2017 | APCC | 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 |
| 2017 | APCC | Investigation on optimum frequency bandwidth allocation method among service channels for system throughput maximization. | Shota Mizuno, Dairoku Muramatsu, Yasuaki Yuda, Kenichi Higuchi |
| 2017 | APCC | Improved algorithm for online probabilistic transmission power control of base stations based on observed system throughput in heterogeneous networks. | Takahiro Saito, Kenichi Higuchi |
| 2017 | APCC | Joint optimization method for user association and time/frequency-domain scheduling to maximize system throughput in heterogeneous networks. | Yuto Wakai, Kiichi Tateishi, Kenichi Higuchi |
| 2017 | APCC | Transmitter beamforming control based on firefly algorithm for massive MIMO systems with per-antenna power constraint. | Takashi Yamanaka, Kenichi Higuchi |
| 2016 | ICISSP | A Practical-time Attack on Reduced-round MISTY1. | Nobuyuki Sugio, Yasutaka Igarashi, Toshinobu Kaneko, Kenichi Higuchi |
| 2016 | VTC | NOMA for Future Cellular Systems. | Kenichi Higuchi |
| 2016 | WISA | New Integral Characteristics of KASUMI Derived by Division Property. | Nobuyuki Sugio, Yasutaka Igarashi, Toshinobu Kaneko, Kenichi Higuchi |
| 2014 | GLOBECOM | Evaluation of parallel processing control of virtual switch architecture on large-scale network. | Hiroki Date, Kenichi Higuchi, Masaru Katayama, Hiroaki Ogawa |
| 2014 | VTC | Proportional Fair-Based Joint Optimization of Cell Association and Inter-Cell Interference Coordination for Heterogeneous Networks. | Yoshitaka Ikeda, Shozo Okasaka, Masayuki Hoshino, Kenichi Higuchi |
| 2014 | VTC | Joint Control of Autonomous Cell Association and Power Control for Heterogeneous Networks with Inter-Cell Interference Coordination. | Kota Ito, Kenichi Higuchi |
| 2014 | VTC | Non-Orthogonal Access with SIC Using Inter-Cell Interference Coordination Based on Coordinated Power Control for Cellular Uplink. | Hiromi Katayama, Kenichi Higuchi |
| 2014 | VTC | 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 |
| 2014 | VTC | Joint Transmitter/Receiver Channel Equalization for Frequency-Domain Punctured Turbo Codes. | Kengo Nakamura, Kazuki Takeda, Kenichi Higuchi |
| 2014 | VTC | Non-Orthogonal Multiple Access Using Intra-Beam Superposition Coding and SIC in Base Station Cooperative MIMO Cellular Downlink. | Nobuhide Nonaka, Yoshihisa Kishiyama, Kenichi Higuchi |
| 2014 | VTC | Investigation on Beamforming Control Methods in Base Station Cooperative Multiuser MIMO Using Block-Diagonalized Beamforming Matrix. | Nobuhide Nonaka, Yuichi Kakishima, Kenichi Higuchi |
| 2014 | VTC | System-Level Throughput of Non-Orthogonal Access with SIC in Cellular Downlink When Channel Estimation Error Exists. | Kenta Yamamoto, Yuya Saito, Kenichi Higuchi |
| 2013 | APCC | Proposal of scale-out control architecture of virtual wide area layer-2 switch on metro network. | Hiroki Date, Kenichi Higuchi, Masaru Katayama, Akira Misawa |
| 2013 | VTC | 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 |
| 2013 | VTC | Non-Orthogonal Access with Random Beamforming and Intra-Beam SIC for Cellular MIMO Downlink. | Kenichi Higuchi, Yoshihisa Kishiyama |
| 2013 | VTC | Simple Decentralized Cell Association Method for Heterogeneous Networks in Fading Channel. | Tetsunosuke Koizumi, Kenichi Higuchi |
| 2013 | VTC | 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 |
| 2013 | VTC | Non-Orthogonal Multiple Access (NOMA) for Cellular Future Radio Access. | Yuya Saito, Yoshihisa Kishiyama, Anass Benjebbour, Takehiro Nakamura, Anxin Li, Kenichi Higuchi |
| 2012 | VTC | Throughput Performance of CF-Based Adaptive PAPR Reduction Method for Eigenmode MIMO-OFDM Signals with AMC. | Shoki Inoue, Kenichi Higuchi, Teruo Kawamura |
| 2011 | VTC | Bi-Directional Signal Detection and Decoding for Hybrid ARQ Using Superposition Coding. | Yasuyuki Hasegawa, Kenichi Higuchi |
| 2011 | VTC | CF-Based Adaptive PAPR Reduction Method for Block Diagonalization-Based Multiuser MIMO-OFDM Signals. | Ryosuke Kimura, Yuki Tajika, Kenichi Higuchi |
| 2011 | VTC | Muting-Based Partially Non-Orthogonal Block Diagonalization in Multiuser MIMO with Limited Channel State Information Feedback. | Yuki Tajika, Kenichi Higuchi, Hidekazu Taoka |
| 2011 | VTC | Enhanced User Fairness Using Non-Orthogonal Access with SIC in Cellular Uplink. | Tomohiro Takeda, Kenichi Higuchi |
| 2011 | VTC | Channel-Dependent Adaptive Spreading Code Selection in Downlink MC-CDMA. | Shota Yoshimura, Kenichi Higuchi |
| 2010 | PIMRC | Partially non-orthogonal block diagonalization-based precoding in multiuser MIMO with limited channel state information feedbacks. | Yuki Tajika, Ryosuke Kimura, Masahiro Watanabe, Kenichi Higuchi |
| 2010 | VTC | Clipping and Filtering-Based PAPR Reduction Method for Precoded OFDM-MIMO Signals. | Masao Iwasaki, Kenichi Higuchi |
| 2010 | VTC | CF-Based Adaptive PAPR Reduction Method for Precoded MIMO-OFDM Signals in Frequency-Selective Faded Channel. | Yoshinari Sato, Masao Iwasaki, Kenichi Higuchi |
| 2010 | VTC | Frequency-Domain Punctured Turbo Codes. | Koichi Tahara, Kenichi Higuchi |
| 2010 | VTC | HARQ for Predetermined-Rate Multicast Channel. | Fuminori Takahashi, Kenichi Higuchi |
| 2009 | VTC | 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 |
| 2009 | VTC | 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 |
| 2009 | VTC | Investigation on Optimum Radio Parameter Design in Layered OFDMA for LTE-Advanced. | Kazuaki Takeda, Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi |
| 2009 | WCNC | Complexity reduced MLD based on QR decomposition in OFDM MIMO multiplexing with frequency domain spreading and code multiplexing. | Kouji Nagatomi, Kenichi Higuchi, Hiroyuki Kawai |
| 2008 | VTC | Multi-Degree Adaptive Cyclic Delay Diversity with Multi-User Scheduling. | Jingxiu Liu, Xiaoming She, Lan Chen, Hidekazu Taoka, Kenichi Higuchi |
| 2008 | VTC | Layered OFDMA Radio Access for IMT-Advanced. | Motohiro Tanno, Yoshihisa Kishiyama, Hidekazu Taoka, Nobuhiko Miki, Kenichi Higuchi, Mamoru Sawahashi |
| 2007 | PIMRC | 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 |
| 2007 | PIMRC | 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 |
| 2007 | PIMRC | 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 |
| 2007 | VTC | A Novel Layered Space-Time-Frequency Architecture with Convolutional Coding. | Yuanliang Huang, Jiangzhou Wang, Kenichi Higuchi |
| 2007 | VTC | Layer 1 / Layer 2 Control Channel Structure in Single-Carrier FDMA Based Evolved UTRA Uplink. | Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi |
| 2007 | VTC | Investigations on Synchronization Channel Sequences in OFDM Based Evolved UTRA Downlink. | Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi |
| 2007 | VTC | Cell Search Time Comparison Using Hierarchical and Non-Hierarchical Synchronization Channels in OFDM Based Evolved UTRA Downlink. | Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi |
| 2007 | VTC | Group-Wised Reference Signal Allocation for Single-Carrier FDMA Radio Access in Evolved UTRA Uplink. | Yoshiaki Ofuji, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi |
| 2007 | VTC | 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 |
| 2007 | WCNC | 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 |
| 2007 | WCNC | 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 |
| 2007 | WCNC | Physical Channel Structures and Cell Search Method for Scalable Bandwidth for OFDM Radio Access in Evolved UTRA Downlink. | Motohiro Tanno, Satoshi Nagata, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi |
| 2006 | VTC | Intra-Node B Orthogonal Pilot Channel Structure for OFDM Radio Access in Evolved UTRA Downlink. | Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi |
| 2006 | VTC | 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 |
| 2006 | VTC | 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 |
| 2006 | VTC | 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 |
| 2006 | VTC | Pseudo-Inverse MMSE Based QRD-M Algorithm for MIMO OFDM. | Sumei Sun, Yongmei Dai, Zhongding Lei, Kenichi Higuchi, Hiroyuki Kawai |
| 2006 | VTC | Field Experiments on Real-Time 1-Gbps High-Speed Packet Transmission in MIMO-OFDM Broadband Packet Radio Access. | Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi |
| 2006 | WCNC | A new layered space-time-frequency architecture with LDPC coding for OFDM MIMO multiplexing. | Yuanliang Huang, Jiangzhou Wang, Kenichi Higuchi, Mamoru Sawahashi |
| 2004 | GLOBECOM | 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 |
| 2004 | PIMRC | Likelihood function for QRM-MLD suitable for soft-decision turbo decoding and its performance for OFCDM MIMO multiplexing in multipath fading channel. | Kenichi Higuchi, Hiroyuki Kawai, Noriyuki Maeda, Mamoru Sawahashi, Takumi Ito, Yoshikazu Kakura, Akihisa Ushirokawa, Hiroyuki Seki |
| 2004 | PIMRC | 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 |
| 2004 | PIMRC | 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 |
| 2004 | PIMRC | 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 |
| 2004 | VTC | 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 |
| 2003 | PIMRC | 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 |
| 2003 | PIMRC | 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 |
| 2002 | PIMRC | Three-step cell search algorithm for broadband multi-carrier CDMA packet wireless access. | Yukiko Hanada, Kenichi Higuchi, Mamoru Sawahashi |
| 2002 | PIMRC | Experimental evaluation of coherent adaptive antenna array diversity receiver employing optical fiber interface in IF stage. | Taisuke Ihara, Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi |
| 2002 | VTC | Comparison between multipath interference canceller and chip equalizer in HSDPA in multipath channel. | Teruo Kawamura, Kenichi Higuchi, Yoshihisa Kishiyama, Mamoru Sawahashi |
| 2001 | VTC | Parallel-type coherent multistage interference canceller with multiple-antenna reception in DS-CDMA reverse link. | Yoshihisa Kishiyama, Taisuke Ihara, Kenichi Higuchi, Mamoru Sawahashi |
| 2001 | VTC | Site independent diversity transmit power control for inter-cell site diversity in W-CDMA forward link. | Akihito Morimoto, Kenichi Higuchi, Mamoru Sawahashi |
| 2000 | PIMRC | 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 |
| 1998 | PIMRC | Experiments on coherent multistage interference canceller for DS-CDMA mobile radio. | Mamoru Sawahashi, Hidehiro Andoh, Kenichi Higuchi, Fumiyuki Adachi |
| 1992 | NOMS | 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 |