Kenichi Higuchi

250 papers B 26C 10Misc 10Journal 84Unranked 119
YearRankTypeTitle / Venue / Authors
2026 J jnl
Autonomous Decentralized TRP Group Selection Method to Maximize System Throughput in Downlink Distributed MIMO with Overlapped TRP Group Configuration.
IEICE Trans. Commun.
Yuta Yagi, Koki Maeda, Takanori Hara, Satoshi Suyama, Satoshi Nagata, Kenichi Higuchi
2026 J jnl
Scalable User Scheduling Method for Cell-Free MIMO Networks with User-Centric TRP Clustering.
IEICE Trans. Commun.
Hiroki Kato, Kenichi Higuchi
2026 J jnl
Simple Round-Trip Delay and Channel-Aware Scheduler in Wireless Communications for Feedback Control Applications.
IEICE Trans. Commun.
Ryotaro Iizuka, Yasuaki Yuda, Kenichi Higuchi
2025 J jnl
Adaptive Interference Restriction Among Spatial Streams Based on Difference in Singular Values for PAPR Reduction in Uplink Eigenmode Massive MIMO Transmission.
IEEE Access
Yuta Abekura, Takanori Hara, Satoshi Suyama, Satoshi Nagata, Kenichi Higuchi
2025 J jnl
Angle-Domain Beam Grouping-Based Beam Selection for Massive MIMO Analog Beamforming with NOMA in Cellular Downlink.
IEICE Trans. Commun.
Nobuhide Nonaka, Kenichi Higuchi
2025 — conf
Decentralized User Association Method to Minimize File Drop Rate in Co-existing Networks with HAPS and Terrestrial BSs.
WPMC
Shoki Ikeda, Takanori Hara, Yuki Hokazono, Satoshi Suyama, Satoshi Nagata, Kenichi Higuchi
2025 B conf
Differential Modulation Based Non-Coherent Grant-Free NOMA Under Timing Offsets.
WCNC
Eiji Yoshimura, Takanori Hara, Kohei Ueda, Koji Ishibashi, Kenichi Higuchi
2025 — conf
Efficient Channel Estimation Utilizing Channel Sparsity in the Delay Domain for OTFS Systems.
VTC2025-Spring
Masahiro Maruyama, Takanori Hara, Kenichi Higuchi
2025 — conf
Enhancing Power Saving Effect and Suppressing Latency Increase of C-DRX Operation Through Base Station Sleep Control.
WPMC
Yuma Shishido, Takanori Hara, Kenichi Higuchi
2025 — conf
ICA-Based Grant-Free Access With DPSK-Aided Carrier Frequency Offset Compensation.
WPMC
Mitsutoshi Nakata, Takanori Hara, Kenichi Higuchi
2025 B conf
Inter-Network Interference Coordination Using Protected Band in Co-existing Networks with HAPS and Terrestrial BSs.
WCNC
Ryotaro Tsutsui, Takanori Hara, Yuki Hokazono, Satoshi Suyama, Satoshi Nagata, Kenichi Higuchi
2025 J jnl
Joint PAPR Reduction Using Null Space in MIMO Channel and Predistortion for MIMO-OFDM Signals in Multi-Antenna AF-Type Relay Transmission.
IEICE Trans. Commun.
Asuka Kakehashi, Kenichi Higuchi
2025 B conf
Simple Delay and Channel-Aware Scheduling Method in Round-Trip Wireless Communication for Feedback Control.
WCNC
Ryotaro Iizuka, Yasuaki Yuda, Kenichi Higuchi
2024 — conf
Autonomous Decentralized TRP Group Selection and Bandwidth Allocation in Downlink Distributed MIMO with Overlapped TRP Group Configuration.
VTC Fall
Yuta Yagi, Takanori Hara, Satoshi Suyama, Satoshi Nagata, Kenichi Higuchi
2024 — conf
Autonomous Decentralized TRP Group Selection to Maximize System Throughput in Downlink Distributed MIMO System.
VTC Fall
Koki Maeda, Takanori Hara, Satoshi Suyama, Satoshi Nagata, Kenichi Higuchi
2024 J jnl
Base Station-Driven PAPR Reduction Method Utilizing Null Space for MIMO-OFDM Systems With Amplify-and-Forward Relaying.
IEEE Access
Asuka Kakehashi, Takanori Hara, Kenichi Higuchi
2024 — conf
Beam Selection Method Based on Angle-Domain Adaptive Beam Grouping for Massive MIMO Analog Beamforming Using NOMA in Cellular Downlink.
VTC Fall
Azusa Matsumoto, Nobuhide Nonaka, Takanori Hara, Kenichi Higuchi
2024 — conf
Decentralized User Association Method to Maximize System-Level Throughput Satisfaction Rate in Co-existing Networks with HAPS and Terrestrial BSs.
VTC Fall
Shoki Ikeda, Takanori Hara, Yuki Hokazono, Satoshi Suyama, Satoshi Nagata, Kenichi Higuchi
2024 — conf
Distributed DQN-Based Frequency Block-Dependent Sleep Control of Base Stations for Improving Energy Efficiency Both in Up and Downlinks.
VTC Fall
Yuma Shishido, Takanori Hara, Satoshi Suyama, Satoshi Nagata, Kenichi Higuchi
2024 J jnl
Efficient Parallel PAPR Reduction Method Using Null-Constrained Peak Cancellation Signal for Massive MIMO-OFDM Systems.
IEEE Open J. Commun. Soc.
Jun Saito, Takanori Hara, Kenichi Higuchi
2024 — conf
Highly-Efficient Low-Latency Scheduling Method in Round-Trip Communication for Feedback Control.
VTC Spring
Ryotaro Iizuka, Takanori Hara, Yasuaki Yuda, Kenichi Higuchi
2024 — conf
PAPR Reduction Method Based on Commonly Reserved Tones Among Multiple Users in FDMA Uplink.
VTC Spring
Ryusei Yamazaki, Takanori Hara, Satoshi Suyama, Satoshi Nagata, Kenichi Higuchi
2024 — conf
PAPR Reduction Using Average Transmit Signal Power Difference Among Transmit Antennas for Massive MIMO-OFDM with Uniform Planar Array.
VTC Spring
Soma Taguchi, Takanori Hara, Satoshi Suyama, Satoshi Nagata, Kenichi Higuchi
2024 J jnl
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.
IEICE Trans. Commun.
Jun Saito, Nobuhide Nonaka, Kenichi Higuchi
2024 Misc conf
Peak Cancellation Signal-Based Parallel PAPR Reduction Method Using Low-Dimensional Null Space in Massive MIMO-OFDM.
ICNC
Jun Saito, Takanori Hara, Kenichi Higuchi
2024 J jnl
Throughput Maximization-Based AP Clustering Methods in Downlink Cell-Free MIMO Under Partial CSI Condition.
IEICE Trans. Commun.
Daisuke Ishii, Takanori Hara, Kenichi Higuchi
2024 Misc conf
Transmitter Filtering-aided Sparse Activity Detection for TDD-based Random Access.
ICNC
Hiroki Fujimoto, Takanori Hara, Kenichi Higuchi
2023 — conf
Clustering Method in Downlink Cell-Free MIMO Using Layered Partially Non-orthogonal ZF-Based Beamforming.
VTC2023-Spring
Daisuke Ishii, Takanori Hara, Nobuhide Nonaka, Kenichi Higuchi
2023 — conf
Energy-Efficient Frequency Block-Dependent Base Station Sleep Control Based on a Decentralized Probabilistic Approach.
VTC Fall
Hiroya Kuwahara, Takanori Hara, Yuto Muroki, Satoshi Nagata, Kenichi Higuchi
2023 J jnl
HARQ Using Hierarchical Tree-Structured Random Access Identifiers in NOMA-Based Random Access.
IEICE Trans. Commun.
Megumi Asada, Nobuhide Nonaka, Kenichi Higuchi
2023 J jnl
Highly-Efficient Low-Latency HARQ Built on NOMA for URLLC: Radio Resource Allocation and Transmission Rate Control Aspects.
IEICE Trans. Commun.
Ryota Kobayashi, Yasuaki Yuda, Kenichi Higuchi
2023 Misc conf
Integration of Index and Differential Modulation for Non-coherent Grant-free NOMA.
ACSSC
Eiji Yoshimura, Takanori Hara, Kenichi Higuchi
2023 — conf
Low-Complexity User-Centric AP Clustering Method in Downlink Cell-Free MIMO with Regularized ZF-Based Beamforming.
VTC Fall
Kato Hiroki, Takanori Hara, Satoshi Suyama, Satoshi Nagata, Kenichi Higuchi
2023 J jnl
NOMA-Based Highly-Efficient Low-Latency HARQ with Inter-Base Station Cooperation for URLLC.
IEICE Trans. Commun.
Ryota Kobayashi, Takanori Hara, Yasuaki Yuda, Kenichi Higuchi
2023 — conf
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.
GCCE
Asuka Kakehashi, Kenichi Higuchi
2023 B conf
PAPR Reduction Using Null Space in MIMO Channel Considering Signal Power Difference Among Transmitter Antennas.
WCNC
Jun Saito, Nobuhide Nonaka, Kenichi Higuchi
2023 Misc conf
PAPR Reduction Utilizing Difference in Singular Values Among Spatial Channels in Uplink Eigenmode Massive MIMO Transmission.
ACSSC
Yuta Abekura, Kenichi Higuchi
2022 — conf
Activation Control of Base Stations Based on Multi-agent DQN for Heterogeneous Networks.
VTC Fall
Daiki Kato, Yuto Muroki, Nobuhide Nonaka, Kenichi Higuchi
2022 — conf
Autonomous Decentralized User Association Method to Maximize Integrated System Throughput for Multi-service Coexistence.
VTC Fall
Kazuma Matsumoto, Takanori Hara, Yasuaki Yuda, Kenichi Higuchi
2022 — conf
HARQ Using Hierarchical Tree-Structured Random Access Identifiers with Random Retransmission Time Back-Off in NOMA-Based Random Access.
VTC Fall
Katsuya Yanai, Takanori Hara, Nobuhide Nonaka, Kenichi Higuchi
2022 J jnl
Online Probabilistic Activation Control of Base Stations Utilizing Temporal System Throughput and Activation States of Neighbor Cells for Heterogeneous Networks.
IEICE Trans. Commun.
Junya Tani, Kenichi Higuchi
2022 — conf
PAPR Reduction Using Null Space in MIMO Channel Based on Signal Processing at Base Station for Downlink AF-Based Relaying MIMO-OFDM Signals.
VTC Fall
Asuka Kakehashi, Nobuhide Nonaka, Kenichi Higuchi
2022 J jnl
PAPR Reduction of OFDM Signals Using Null Space in MIMO Channel for MIMO Amplify-and-Forward Relay Transmission.
IEICE Trans. Commun.
Yuki Sekiguchi, Nobuhide Nonaka, Kenichi Higuchi
2022 J jnl
Random Access Identifier-Linked Receiver Beamforming with Transmitter Filtering in TDD-Based Random Access.
IEICE Trans. Commun.
Yuto Muroki, Yotaro Murakami, Yoshihisa Kishiyama, Kenichi Higuchi
2022 — conf
Repetition-Based NOMA-HARQ with Adaptive Termination for URLLC.
VTC Fall
Go Takita, Takanori Hara, Yasuaki Yuda, Kenichi Higuchi
2021 — conf
Computationally-Efficient Preamble Design Appropriate for Random Access Achieving Multi - Packet Reception.
VTC Fall
Kou Watanuki, Kenichi Higuchi
2021 — conf
Faster-than-Nyquist Signaling Assigning Increased Resources to Parity Bits for Turbo-Coded OFDM.
ISWCS
Tsubasa Shobudani, Mamoru Sawahashi, Kenichi Higuchi, Yoshihisa Kishiyama
2021 — conf
HARQ Using Hierarchical Tree-Structured Physical Channel Identifiers in NOMA-Based Random Access for Multi-Packet Reception.
VTC Fall
Megumi Asada, Nobuhide Nonaka, Kenichi Higuchi
2021 — conf
Investigation of Transmitter Filtering Method for Random Access with Channel Identifier Linked Receiver Beamforming.
VTC Fall
Shogo Uchida, Nobuhide Nonaka, Kenichi Higuchi
2021 — conf
Measurement Frequency Evaluation for Bioimpedance-Based Blood-Glucose Estimation.
LifeTech
Reo Takamatsu, Kenichi Higuchi, Dairoku Muramatsu
2021 — conf
NOMA-Based Highly-Efficient Low-Latency HARQ Method for URLLC.
VTC Fall
Ryota Kobayashi, Yasuaki Yuda, Kenichi Higuchi
2021 — conf
Online Probabilistic Activation Control of Base Stations Utilizing Temporal System Throughput and Activation States of Neighbor Cells.
VTC Fall
Junya Tani, Kenichi Higuchi
2021 — conf
PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals in Multiple-Antenna AF Relay Transmission.
VTC Fall
Yuki Sekiguchi, Nobuhide Nonaka, Kenichi Higuchi
2021 J jnl
Parallel Peak Cancellation Signal-Based PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Transmission.
IEICE Trans. Commun.
Taku Suzuki, Mikihito Suzuki, Kenichi Higuchi
2020 J jnl
Complexity-Reduced Adaptive PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals.
IEICE Trans. Commun.
Taku Suzuki, Mikihito Suzuki, Yoshihisa Kishiyama, Kenichi Higuchi
2020 J jnl
Decentralized Probabilistic Frequency-Block Activation Control Method of Base Stations for Inter-cell Interference Coordination and Traffic Load Balancing.
IEICE Trans. Commun.
Fumiya Ishikawa, Keiki Shimada, Yoshihisa Kishiyama, Kenichi Higuchi
2020 — conf
Interleaver-Linked Receiver Beamforming with Transmitter Channel Equalization in TDD-IDMA-Based Random Access.
VTC Fall
Yuto Muroki, Yotaro Murakami, Yoshihisa Kishiyama, Kenichi Higuchi
2020 — conf
NOMA-Based Inter-Base Station Cooperative Scheduling Method Among Multiple Service Channels to Maximize Integrated System Throughput.
VTC Spring
Teruaki Shikuma, Yasuaki Yuda, Kenichi Higuchi
2020 J jnl
NOMA-Based Optimal Multiplexing for Multiple Downlink Service Channels to Maximize Integrated System Throughput.
IEICE Trans. Commun.
Teruaki Shikuma, Yasuaki Yuda, Kenichi Higuchi
2020 — conf
PC-Signal-Based PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals in Frequency-Selective Fading Channel.
VTC Fall
Leon Yamaguchi, Nobuhide Nonaka, Kenichi Higuchi
2020 — conf
Parallelly Processed Peak Cancellation Signal-Based PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals.
VTC Spring
Taku Suzuki, Mikihito Suzuki, Yoshihisa Kishiyama, Kenichi Higuchi
2020 J jnl
Performance Evaluation of IDMA-Based Random Access with Various Structures of Interference Canceller.
IEICE Trans. Commun.
Masayuki Kawata, Kiichi Tateishi, Kenichi Higuchi
2020 — conf
User Group Selection Method in Multiuser MIMO-OFDM Transmission with Adaptive PAPR Reduction Using Null Space in MIMO Channel.
VTC Fall
Shyunsei Shin, Nobuhide Nonaka, Kenichi Higuchi
2019 — conf
Complexity-Reduced Algorithm for Adaptive PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals.
APWCS
Mikihito Suzuki, Taku Suzuki, Yoshihisa Kishiyama, Kenichi Higuchi
2019 — conf
Decentralized Probabilistic Frequency-Block Activation Control for Inter-Cell Interference Coordination and Traffic Load Balancing.
VTC Fall
Fumiya Ishikawa, Yoshihisa Kishiyama, Kenichi Higuchi
2019 — conf
Inter-cell Coordinated Transmission Power Control for IDMA-Based Random Access.
ISPACS
Masayuki Kawata, Tsubasa Miyata, Yoshihisa Kishiyama, Kenichi Higuchi
2019 — conf
Investigation on Retransmission Scheme for IDMA-Based Random Access.
APWCS
Yuichiro Shake, Yoshihisa Kishiyama, Kenichi Higuchi
2019 — conf
Low Latency HARQ Method Using Early Retransmission Before Channel Decoding Based on Superposition Coding.
ISPACS
Koka Miura, Yoshihisa Kishiyama, Kenichi Higuchi
2019 — conf
Low Latency HARQ Method Using Early Retransmission Prior to Channel Decoding with Multistage Decision.
VTC Fall
Kentarou Taniyama, Yoshihisa Kishiyama, Kenichi Higuchi
2019 — conf
Method for Generating Peak Cancellation Signals in Complexity-Reduced PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals.
APWCS
Taku Suzuki, Mikihito Suzuki, Yoshihisa Kishiyama, Kenichi Higuchi
2019 — conf
NOMA-Based Optimal Multiplexing Method for Downlink Service Channels to Maximize Integrated System Throughput.
VTC Fall
Teruaki Shikuma, Yasuaki Yuda, Kenichi Higuchi
2019 — conf
Online Probabilistic Activation Control of Base Stations Considering Both Uplink and Downlink System Throughput.
VTC Fall
Naoki Uji, Yoshihisa Kishiyama, Kenichi Higuchi
2019 — conf
Performance Evaluation of IDMA-Based Random Access Considering User Detection and Channel Estimation.
ISPACS
Taiki Tomizawa, Yoshihisa Kishiyama, Kenichi Higuchi
2018 — conf
Adaptive Step Size Control for Update of Activation Probability in Online Probabilistic BS Activation Control Method.
WPMC
Ryota Ochiai, Yoshihisa Kishiyama, Kenichi Higuchi
2018 — conf
Channel-Dependent Dynamic Frequency Bandwidth Allocation Method Among Service Channels to Maximize Integrated System Throughput.
VTC Fall
Tatsuki Sakai, Yasuaki Yuda, Kenichi Higuchi
2018 — conf
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.
WPMC
Mikihito Suzuki, Yoshihisa Kishiyama, Kenichi Higuchi
2018 — conf
Frequency Block-Dependent Online Probabilistic Activation Control of Base Stations in Heterogeneous Networks.
WPMC
Keiki Shimada, Yoshihisa Kishiyama, Kenichi Higuchi
2018 — conf
Frequency Block-Dependent Online Probabilistic Transmission Power Control of Base Stations in Heterogeneous Networks.
WPMC
Ryo Inaba, Yoshihisa Kishiyama, Kenichi Higuchi
2018 — conf
Inter-Base Station Cooperative Scheduling Method Among Multiple Service Channels to Maximize Integrated System Throughput.
WPMC
Tatsuki Sakai, Yasuaki Yuda, Kenichi Higuchi
2018 — conf
Investigation on Structure of Interference Canceller for IDMA-Based Random Access.
VTC Fall
Masayuki Kawata, Kiichi Tateishi, Kenichi Higuchi
2017 C conf
Adaptive initial interpolation vector setting method in iterative time-domain compression method for MIMO channel state information.
APCC
Masafumi Iizuka, Kiichi Tateishi, Kenichi Higuchi
2017 J jnl
Decentralized Iterative User Association Method for (
IEICE Trans. Commun.
Kenichi Higuchi, Yasuaki Yuda
2017 C conf
Improved algorithm for online probabilistic transmission power control of base stations based on observed system throughput in heterogeneous networks.
APCC
Takahiro Saito, Kenichi Higuchi
2017 C conf
Investigation on optimum frequency bandwidth allocation method among service channels for system throughput maximization.
APCC
Shota Mizuno, Dairoku Muramatsu, Yasuaki Yuda, Kenichi Higuchi
2017 C conf
Investigations on transmitter beamforming control based on firefly algorithm in massive MIMO systems with per-antenna power constraint for system throughput maximization.
APCC
Kento Kawai, Takashi Yamanaka, Kiichi Tateishi, Kenichi Higuchi
2017 J jnl
Joint Optimization of User Association and Inter-Cell Interference Coordination for Proportional Fair-Based System Throughput Maximization in Heterogeneous Cellular Networks.
IEICE Trans. Commun.
Yoshitaka Ikeda, Shozo Okasaka, Kenichi Higuchi
2017 C conf
Joint optimization method for user association and time/frequency-domain scheduling to maximize system throughput in heterogeneous networks.
APCC
Yuto Wakai, Kiichi Tateishi, Kenichi Higuchi
2017 C conf
Low latency hybrid ARQ method using channel state information before channel decoding.
APCC
Yuta Imamura, Dairoku Muramatsu, Yoshihisa Kishiyama, Kenichi Higuchi
2017 C conf
Performance evaluations on adaptive PAPR reduction method using null space in MIMO channel for eigenmode massive MIMO-OFDM signals.
APCC
Yuki Matsumoto, Kiichi Tateishi, Kenichi Higuchi
2017 J jnl
Radio Access Technologies for Broadband Mobile Communications.
IEICE Trans. Commun.
Mamoru Sawahashi, Kenichi Higuchi
2017 C conf
Transmitter beamforming control based on firefly algorithm for massive MIMO systems with per-antenna power constraint.
APCC
Takashi Yamanaka, Kenichi Higuchi
2016 C conf
A Practical-time Attack on Reduced-round MISTY1.
ICISSP
Nobuyuki Sugio, Yasutaka Igarashi, Toshinobu Kaneko, Kenichi Higuchi
2016 J jnl
Enhancing the Performance of the Quasi-ML Receiver (Detector Plus Decoder) for Coded MIMO Systems Via Statistical Information.
IEEE Trans. Veh. Technol.
Xiaoming Dai, Kenichi Higuchi, Zhongshan Zhang, Keping Long, Xu Jin, Xiangming Li, Weiguo Ma
2016 — conf
NOMA for Future Cellular Systems.
VTC Fall
Kenichi Higuchi
2016 Misc conf
New Integral Characteristics of KASUMI Derived by Division Property.
WISA
Nobuyuki Sugio, Yasutaka Igarashi, Toshinobu Kaneko, Kenichi Higuchi
2015 J jnl
Base Station Cooperative Multiuser MIMO Using Block-Diagonalized Random Beamforming with Online Update.
IEICE Trans. Commun.
Nobuhide Nonaka, Anass Benjebbour, Kenichi Higuchi
2015 — conf
Decentralized user association for (p, α)-proportional fair-based system throughput maximization in cellular networks.
ISWCS
Takumi Fukunaga, Yasuaki Yuda, Masayuki Hoshino, Kenichi Higuchi
2015 — conf
Distributed transmission power control method based on soft FFR for cellular downlink.
ISWCS
Daiki Nakajima, Yusuke Takahashi, Yasuaki Yuda, Masayuki Hoshino, Kenichi Higuchi
2015 — conf
Downlink NOMA with SIC using unified user grouping for non-orthogonal user multiplexing and decoding order.
ISPACS
Keita Yakou, Kenichi Higuchi
2015 J jnl
Inter-Cell Interference Coordination Method Based on Coordinated Inter-Cell Interference Power Control in Uplink.
IEICE Trans. Commun.
Kenichi Higuchi, Yoshiko Saito, Seigo Nakao
2015 J jnl
Non-Orthogonal Multiple Access Using Intra-Beam Superposition Coding and SIC in Base Station Cooperative MIMO Cellular Downlink.
IEICE Trans. Commun.
Nobuhide Nonaka, Yoshihisa Kishiyama, Kenichi Higuchi
2015 J jnl
Non-Orthogonal Multiple Access Using Intra-Beam Superposition Coding and Successive Interference Cancellation for Cellular MIMO Downlink.
IEICE Trans. Commun.
Kenichi Higuchi, Yoshihisa Kishiyama
2015 J jnl
Non-orthogonal Multiple Access (NOMA) with Successive Interference Cancellation for Future Radio Access.
IEICE Trans. Commun.
Kenichi Higuchi, Anass Benjebbour
2015 — conf
Online probabilistic activation control of picocells for system throughput maximization in heterogeneous networks.
ISPACS
Yusaku Yamazaki, Kenichi Higuchi
2015 J jnl
Performance Evaluations of Transmit Diversity Schemes with Synchronization Signals for LTE Downlink.
IEICE Trans. Commun.
Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi
2015 J jnl
Performance of Non-orthogonal Multiple Access with SIC in Cellular Downlink Using Proportional Fair-Based Resource Allocation.
IEICE Trans. Commun.
Nagisa Otao, Yoshihisa Kishiyama, Kenichi Higuchi
2015 J jnl
Scalable Centralized Control Architecture of Virtual Switch on Large-Scale Network.
IEICE Trans. Commun.
Hiroki Date, Kenichi Higuchi, Masaru Katayama, Katsutoshi Koda
2015 — conf
System-level throughput of NOMA with SIC in cellular downlink under FTP traffic model.
ISWCS
Masahiro Kimura, Kenichi Higuchi
2014 J jnl
A Novel Adaptive Interference Admission Control Method for Layered Partially Non-orthogonal Block Diagonalization for Base Station Cooperative MIMO.
IEICE Trans. Commun.
Yusuke Oshima, Anass Benjebbour, Kenichi Higuchi
2014 Misc conf
Adaptive frequency-domain puncturing for turbo coded single-carrier transmission.
ICCS
Kengo Nakamura, Kenichi Higuchi
2014 B conf
Evaluation of parallel processing control of virtual switch architecture on large-scale network.
GLOBECOM
Hiroki Date, Kenichi Higuchi, Masaru Katayama, Hiroaki Ogawa
2014 — conf
Investigation on Beamforming Control Methods in Base Station Cooperative Multiuser MIMO Using Block-Diagonalized Beamforming Matrix.
VTC Fall
Nobuhide Nonaka, Yuichi Kakishima, Kenichi Higuchi
2014 — conf
Joint Control of Autonomous Cell Association and Power Control for Heterogeneous Networks with Inter-Cell Interference Coordination.
VTC Fall
Kota Ito, Kenichi Higuchi
2014 — conf
Joint Transmitter/Receiver Channel Equalization for Frequency-Domain Punctured Turbo Codes.
VTC Spring
Kengo Nakamura, Kazuki Takeda, Kenichi Higuchi
2014 — conf
Non-Orthogonal Access with SIC Using Inter-Cell Interference Coordination Based on Coordinated Power Control for Cellular Uplink.
VTC Spring
Hiromi Katayama, Kenichi Higuchi
2014 — conf
Non-Orthogonal Multiple Access Using Intra-Beam Superposition Coding and SIC in Base Station Cooperative MIMO Cellular Downlink.
VTC Fall
Nobuhide Nonaka, Yoshihisa Kishiyama, Kenichi Higuchi
2014 — conf
Proportional Fair-Based Joint Optimization of Cell Association and Inter-Cell Interference Coordination for Heterogeneous Networks.
VTC Fall
Yoshitaka Ikeda, Shozo Okasaka, Masayuki Hoshino, Kenichi Higuchi
2014 — conf
System-Level Throughput of Non-Orthogonal Access with SIC in Cellular Downlink When Channel Estimation Error Exists.
VTC Spring
Kenta Yamamoto, Yuya Saito, Kenichi Higuchi
2014 Misc conf
System-level throughput of NOMA using intra-beam superposition coding and SIC in MIMO downlink when channel estimation error exists.
ICCS
Nobuhide Nonaka, Anass Benjebbour, Kenichi Higuchi
2014 — conf
Transmission Power Control Method Using Protected and Non-Protected Bands Based on Shared Metric among Base Stations for Downlink Heterogeneous Networks.
VTC Fall
Soya Matsui, Kenichi Higuchi
2013 J jnl
A Simple Decentralized Cell Association Method for Heterogeneous Networks.
IEICE Trans. Commun.
Tetsunosuke Koizumi, Kenichi Higuchi
2013 — conf
A simple downlink transmission power control method for worst user throughput maximization in heterogeneous networks.
ICSPCS
Tomoyuki Aota, Kenichi Higuchi
2013 J jnl
Adaptive Amplify-and-Forward Relaying for Cellular Downlink.
IEICE Trans. Commun.
Kiichi Tateishi, Kenichi Higuchi
2013 — conf
Base station cooperative multiuser MIMO using block-diagonalized random beamforming with online update.
ICSPCS
Nobuhide Nonaka, Anass Benjebbour, Kenichi Higuchi
2013 J jnl
Clipping and Filtering-Based Adaptive PAPR Reduction Method for Precoded OFDM-MIMO Signals.
IEICE Trans. Commun.
Yoshinari Sato, Masao Iwasaki, Shoki Inoue, Kenichi Higuchi
2013 J jnl
Foreword.
IEICE Trans. Commun.
Kenichi Higuchi
2013 — conf
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.
VTC Spring
Yusuke Oshima, Kenichi Higuchi
2013 — conf
Inter-cell interference coordination using coordinated inter-cell interference power control in uplink.
ICSPCS
Kenichi Higuchi, Yoshiko Saito, Seigo Nakao
2013 — conf
Inter-cell interference coordination using frequency block dependent transmission power control and PF scheduling in non-orthogonal access with SIC for cellular uplink.
ICSPCS
Hiromi Katayama, Yoshihisa Kishiyama, Kenichi Higuchi
2013 — conf
Investigations on Power Allocation among Beams in Non-Orthogonal Access with Random Beamforming and Intra-Beam SIC for Cellular MIMO Downlink.
VTC Fall
Yuta Hayashi, Yoshihisa Kishiyama, Kenichi Higuchi
2013 — conf
Non-Orthogonal Access with Random Beamforming and Intra-Beam SIC for Cellular MIMO Downlink.
VTC Fall
Kenichi Higuchi, Yoshihisa Kishiyama
2013 — conf
Non-Orthogonal Multiple Access (NOMA) for Cellular Future Radio Access.
VTC Spring
Yuya Saito, Yoshihisa Kishiyama, Anass Benjebbour, Takehiro Nakamura, Anxin Li, Kenichi Higuchi
2013 C conf
Proposal of scale-out control architecture of virtual wide area layer-2 switch on metro network.
APCC
Hiroki Date, Kenichi Higuchi, Masaru Katayama, Akira Misawa
2013 — conf
Simple Decentralized Cell Association Method for Heterogeneous Networks in Fading Channel.
VTC Fall
Tetsunosuke Koizumi, Kenichi Higuchi
2013 J jnl
Throughput/ACLR Performance of CF-Based Adaptive PAPR Reduction Method for Eigenmode MIMO-OFDM Signals with AMC.
IEICE Trans. Commun.
Shoki Inoue, Teruo Kawamura, Kenichi Higuchi
2012 — conf
A simple decentralized cell association method for heterogeneous networks.
ISWCS
Tetsunosuke Koizumi, Kenichi Higuchi
2012 — conf
Adaptive interference admission control for layered partially nonorthogonal block diagonalization for base station cooperative MIMO.
ISWCS
Yusuke Oshima, Anass Benjebbour, Kenichi Higuchi
2012 Misc conf
Enhancing user fairness in non-orthogonal access with successive interference cancellation for cellular downlink.
ICCS
Junpei Umehara, Yoshihisa Kishiyama, Kenichi Higuchi
2012 Misc conf
Layered block diagonalization for base station cooperated multiuser MIMO with partial channel state information feedback.
ICNC
Kenichi Higuchi
2012 — conf
Performance of non-orthogonal access with SIC in cellular downlink using proportional fair-based resource allocation.
ISWCS
Nagisa Otao, Yoshihisa Kishiyama, Kenichi Higuchi
2012 — conf
Throughput Performance of CF-Based Adaptive PAPR Reduction Method for Eigenmode MIMO-OFDM Signals with AMC.
VTC Fall
Shoki Inoue, Kenichi Higuchi, Teruo Kawamura
2012 Misc conf
Throughput performance of layered partially non-orthogonal block diagonalization with adaptive interference admission control in distributed antenna system.
ICCS
Yusuke Oshima, Anass Benjebbour, Kenichi Higuchi
2012 — conf
Uplink non-orthogonal access with MMSE-SIC in the presence of inter-cell interference.
ISWCS
Yuki Endo, Yoshihisa Kishiyama, Kenichi Higuchi
2011 — conf
Adaptive amplify-and-forward relaying for cellular downlink.
ISWCS
Kiichi Tateishi, Kenichi Higuchi
2011 — conf
Bi-Directional Signal Detection and Decoding for Hybrid ARQ Using Superposition Coding.
VTC Fall
Yasuyuki Hasegawa, Kenichi Higuchi
2011 — conf
CF-Based Adaptive PAPR Reduction Method for Block Diagonalization-Based Multiuser MIMO-OFDM Signals.
VTC Spring
Ryosuke Kimura, Yuki Tajika, Kenichi Higuchi
2011 — conf
Channel-Dependent Adaptive Spreading Code Selection in Downlink MC-CDMA.
VTC Spring
Shota Yoshimura, Kenichi Higuchi
2011 J jnl
Complexity-Reduced MLD Based on QR Decomposition in OFDM MIMO Multiplexing with Frequency Domain Spreading and Code Multiplexing.
EURASIP J. Adv. Signal Process.
Kouji Nagatomi, Hiroyuki Kawai, Kenichi Higuchi
2011 — conf
Efficient adaptive frequency partitioning in OFDMA downlink with fractional frequency reuse.
ISPACS
Yohei Umeda, Kenichi Higuchi
2011 — conf
Enhanced User Fairness Using Non-Orthogonal Access with SIC in Cellular Uplink.
VTC Fall
Tomohiro Takeda, Kenichi Higuchi
2011 — ch.
Fault Recovery Performance Analysis of Functionally Distributed Transport Networking System.
Intelligent Networking, Collaborative Systems and Applications
Kentaro Ogawa, Kenichi Higuchi, Shinichiro Chaki
2011 — conf
Muting-Based Partially Non-Orthogonal Block Diagonalization in Multiuser MIMO with Limited Channel State Information Feedback.
VTC Fall
Yuki Tajika, Kenichi Higuchi, Hidekazu Taoka
2011 — conf
Non-orthogonal access with SIC in cellular downlink for user fairness enhancement.
ISPACS
Shun Tomida, Kenichi Higuchi
2011 J jnl
Partially Non-orthogonal Block Diagonalization-Based Precoding in Downlink Multiuser MIMO with Limited Channel State Information Feedback.
IEICE Trans. Commun.
Yuki Tajika, Hidekazu Taoka, Kenichi Higuchi
2010 — conf
CF-Based Adaptive PAPR Reduction Method for Precoded MIMO-OFDM Signals in Frequency-Selective Faded Channel.
VTC Fall
Yoshinari Sato, Masao Iwasaki, Kenichi Higuchi
2010 — conf
Clipping and Filtering-Based PAPR Reduction Method for Precoded OFDM-MIMO Signals.
VTC Spring
Masao Iwasaki, Kenichi Higuchi
2010 — conf
Frequency-Domain Punctured Turbo Codes.
VTC Fall
Koichi Tahara, Kenichi Higuchi
2010 — conf
HARQ for Predetermined-Rate Multicast Channel.
VTC Spring
Fuminori Takahashi, Kenichi Higuchi
2010 J jnl
Investigation of Inter-Node B Macro Diversity for Single-Carrier Based Radio Access in Evolved UTRA Uplink.
IEICE Trans. Commun.
Hiroyuki Kawai, Akihito Morimoto, Kenichi Higuchi, Mamoru Sawahashi
2010 — conf
Multiple-Encoder Layered Space-Time-Frequency Architecture with QRM-MLD Detection.
ICC
Yuanliang Huang, Kenichi Higuchi, Mamoru Sawahashi
2010 B conf
Partially non-orthogonal block diagonalization-based precoding in multiuser MIMO with limited channel state information feedbacks.
PIMRC
Yuki Tajika, Ryosuke Kimura, Masahiro Watanabe, Kenichi Higuchi
2009 J jnl
Adaptive Selection of Surviving Symbol Replica Candidates for Quasi-Maximum Likelihood Detection Using M-Algorithm with QR-Decomposition for OFDM MIMO Multiplexing.
IEICE Trans. Commun.
Kenichi Higuchi, Hiroyuki Kawai, Hidekazu Taoka, Noriyuki Maeda, Mamoru Sawahashi
2009 J jnl
Block-Wise Resource Block-Level Distributed Transmission for Shared Data Channel in OFDMA Evolved UTRA Downlink.
IEICE Trans. Commun.
Satoshi Nagata, Yoshiaki Ofuji, Yoshihisa Kishiyama, Nobuhiko Miki, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Cell Search Time Comparison Using Hierarchical and Non-hierarchical Synchronization Channels in OFDM Based Evolved UTRA Downlink.
IEICE Trans. Commun.
Satoshi Nagata, Motohiro Tanno, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Comparisons between Common and Dedicated Reference Signals for MIMO Multiplexing Using Precoding in Evolved UTRA Downlink.
IEICE Trans. Commun.
Hidekazu Taoka, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2009 B conf
Complexity reduced MLD based on QR decomposition in OFDM MIMO multiplexing with frequency domain spreading and code multiplexing.
WCNC
Kouji Nagatomi, Kenichi Higuchi, Hiroyuki Kawai
2009 J jnl
Coverage Performance of Common/Shared Control Signals Using Transmit Diversity in Evolved UTRA Downlink.
IEICE Trans. Commun.
Hidekazu Taoka, Akihito Morimoto, Hiroyuki Kawai, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Experimental Evaluation of Time Diversity Effect in Hybrid ARQ Considering Space and Path Diversity for Downlink OFDM-Based Broadband Radio Access.
IEICE Trans. Commun.
Nobuhiko Miki, Hiroyuki Atarashi, Kenichi Higuchi, Mamoru Sawahashi, Masao Nakagawa
2009 J jnl
Experiments on Handover Using Combination of Bicast and Forwarding of IP Packet for Future IP-Based RANs.
IEICE Trans. Commun.
Motohiro Tanno, Akihito Morimoto, Kenichi Higuchi, Mamoru Sawahashi
2009 — conf
Fault Management in Functionally Distributed Transport Networking for Large Scale Networks.
INCoS
Kentaro Ogawa, Kenichi Higuchi, Shinichiro Chaki
2009 J jnl
Field Experiments on Open-Loop Type Transmit Diversity in OFDM Radio Access.
IEICE Trans. Commun.
Shohei Tsuchida, Mamoru Sawahashi, Hidekazu Taoka, Kenichi Higuchi
2009 J jnl
Field Experiments on Real-Time 1-Gbps High-Speed Packet Transmission in MIMO-OFDM Broadband Packet Radio Access.
IEICE Trans. Commun.
Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Influence of Channel Estimation Error on MIMO Multiplexing Using Precoding in Downlink OFDM Radio Access.
IEICE Trans. Commun.
Takashi Isogai, Mamoru Sawahashi, Hidekazu Taoka, Kenichi Higuchi
2009 J jnl
Investigation of Inter-Cell Transmission Power Control Using Overload Indicator for Selected Users for Evolved UTRA Uplink.
IEICE Trans. Commun.
Daisuke Nishikawa, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Investigation on Optimum Control Interval for Intra-Cell Fractional TPC Using AMC for Shared Channel in Evolved UTRA Uplink.
IEICE Trans. Commun.
Daisuke Nishikawa, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2009 — conf
Investigation on Optimum Radio Link Connection Using Remote Radio Equipment in Heterogeneous Network for LTE-Advanced.
VTC Spring
Akihito Morimoto, Motohiro Tanno, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2009 — conf
Investigation on Optimum Radio Parameter Design in Layered OFDMA for LTE-Advanced.
VTC Spring
Kazuaki Takeda, Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Investigations on Physical Random Access Channel Structure in Evolved UTRA Uplink.
IEICE Trans. Commun.
Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Layered OFDMA and Its Radio Access Techniques for LTE-Advanced.
IEICE Trans. Commun.
Motohiro Tanno, Yoshihisa Kishiyama, Hidekazu Taoka, Nobuhiko Miki, Kenichi Higuchi, Mamoru Sawahashi
2009 — conf
MLD Based MIMO-OFDM Demodulation and Decoding LSI with Low Power Consumption for Release 8 LTE.
VTC Fall
Nobuhiko Miki, Hiroyuki Kawai, Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi, Hiroyuki Matsuno, Hiroyuki Nagasaka
2009 J jnl
Optimum Adaptive Modulation and Channel Coding Scheme for Frequency Domain Channel-Dependent Scheduling in OFDM Based Evolved UTRA Downlink.
IEICE Trans. Commun.
Nobuhiko Miki, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi, Masao Nakagawa
2009 J jnl
Performance Comparison between Turbo Code and Rate-Compatible LDPC Code for Evolved UTRA Downlink OFDM Radio Access.
IEICE Trans. Commun.
Naoto Okubo, Nobuhiko Miki, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Performance Evaluations of MBMS Signals Using Transmit/Receiver Diversity with SFN in OFDM Based Evolved UTRA Downlink.
IEICE Trans. Commun.
Akihito Morimoto, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Single-Carrier Based Multiplexing of Layer 1/Layer 2 Control Signals in Evolved UTRA Uplink Using DFT-Spread OFDM.
IEICE Trans. Commun.
Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2008 — conf
Effect of noise suppression in channel estimation for single-carrier FDMA radio access with variable transmission bandwidth.
ISWCS
Takayuki Sakurai, Mamoru Sawahashi, Teruo Kawamura, Kenichi Higuchi
2008 J jnl
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.
IEEE J. Sel. Areas Commun.
Hidekazu Taoka, Ki Dai, Kenichi Higuchi, Mamoru Sawahashi
2008 — conf
Investigation on optimum control interval for intra-cell fractional TPC using AMC for shared channel in Evolved UTRA uplink.
ISWCS
Daisuke Nishikawa, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2008 — conf
Layered OFDMA Radio Access for IMT-Advanced.
VTC Fall
Motohiro Tanno, Yoshihisa Kishiyama, Hidekazu Taoka, Nobuhiko Miki, Kenichi Higuchi, Mamoru Sawahashi
2008 J jnl
Multi-Codebook Based Beamforming and Scheduling for MIMO-OFDM Systems with Limited Feedback.
IEICE Trans. Commun.
Xiaoming She, Jingxiu Liu, Lan Chen, Hidekazu Taoka, Kenichi Higuchi
2008 — conf
Multi-Degree Adaptive Cyclic Delay Diversity with Multi-User Scheduling.
VTC Spring
Jingxiu Liu, Xiaoming She, Lan Chen, Hidekazu Taoka, Kenichi Higuchi
2008 J jnl
OFCDM: a promising broadband wireless access technique.
IEEE Commun. Mag.
Yiqing Zhou, Tung-Sang Ng, Jiangzhou Wang, Kenichi Higuchi, Mamoru Sawahashi
2008 J jnl
Orthogonal Pilot Channel Using Combination of FDMA and CDMA in Single-Carrier FDMA-Based Evolved UTRA Uplink.
IEICE Trans. Commun.
Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2007 J jnl
3G evolution scenario toward 4G: Super 3G concept.
Wirel. Commun. Mob. Comput.
Seizo Onoe, Takehiro Nakamura, Kenichi Higuchi
2007 — conf
A Novel Layered Space-Time-Frequency Architecture with Convolutional Coding.
VTC Spring
Yuanliang Huang, Jiangzhou Wang, Kenichi Higuchi
2007 — conf
Cell Search Time Comparison Using Hierarchical and Non-Hierarchical Synchronization Channels in OFDM Based Evolved UTRA Downlink.
VTC Spring
Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi
2007 B conf
Experiments on Handover Using Combination of Bicast and Forwarding of IP Packet for Future IP-based RANs.
PIMRC
Motohiro Tanno, Akihito Morimoto, Kenichi Higuchi, Mamoru Sawahashi
2007 — conf
Field Experiments on Ultimate Frequency Efficiency Exceeding 30 Bit/Second/Hz Using MLD Signal Detection in MIMO-OFDM Broadband Packet Radio Access.
VTC Spring
Hidekazu Taoka, Ki Dai, Kenichi Higuchi, Mamoru Sawahashi
2007 — conf
Group-Wised Reference Signal Allocation for Single-Carrier FDMA Radio Access in Evolved UTRA Uplink.
VTC Spring
Yoshiaki Ofuji, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2007 B conf
Investigation on Optimum Coding and Multiplexing Schemes for L1/L2 Control Signals in OFDM based Evolved UTRA Downlink.
PIMRC
Nobuhiko Miki, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2007 — conf
Investigations on Synchronization Channel Sequences in OFDM Based Evolved UTRA Downlink.
VTC Fall
Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi
2007 J jnl
Iterative Signal Processing for Coded LSTF Architectures.
IEEE Trans. Wirel. Commun.
Yuanliang Huang, Jiangzhou Wang, Kenichi Higuchi, Mamoru Sawahashi
2007 — conf
Layer 1 / Layer 2 Control Channel Structure in Single-Carrier FDMA Based Evolved UTRA Uplink.
VTC Spring
Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2007 B conf
Optimum Adaptive Modulation and Channel Coding Scheme for Frequency Domain Channel-Dependent Scheduling in OFDM Based Evolved UTRA Downlink.
WCNC
Nobuhiko Miki, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2007 B conf
Orthogonal Pilot Channel Using Combination of FDMA and CDMA in Single-Carrier FDMA-Based Evolved UTRA Uplink.
WCNC
Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2007 B conf
Performance Evaluation of Closed-Loop based Antenna Switching Transmit Diversity Associated with Frequency Domain Channel-Dependent Scheduling in E-UTRA Uplink.
PIMRC
Hiroyuki Kawai, Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi
2007 B conf
Physical Channel Structures and Cell Search Method for Scalable Bandwidth for OFDM Radio Access in Evolved UTRA Downlink.
WCNC
Motohiro Tanno, Satoshi Nagata, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2007 J jnl
Physical Channel Structures and Cell Search Method for Scalable Bandwidth for OFDM Radio Access in Evolved UTRA Downlink.
IEICE Trans. Commun.
Motohiro Tanno, Kenichi Higuchi, Satoshi Nagata, Yoshihisa Kishiyama, Mamoru Sawahashi
2006 B conf
A new layered space-time-frequency architecture with LDPC coding for OFDM MIMO multiplexing.
WCNC
Yuanliang Huang, Jiangzhou Wang, Kenichi Higuchi, Mamoru Sawahashi
2006 J jnl
Adaptive control of surviving symbol replica candidates in QRM-MLD for OFDM MIMO multiplexing.
IEEE J. Sel. Areas Commun.
Hiroyuki Kawai, Kenichi Higuchi, Noriyuki Maeda, Mamoru Sawahashi
2006 J jnl
Experiments on real-time 1-Gb/s packet transmission using MLD-based signal detection in MIMO-OFDM broadband radio access.
IEEE J. Sel. Areas Commun.
Kenichi Higuchi, Hiroyuki Kawai, Noriyuki Maeda, Hidekazu Taoka, Mamoru Sawahashi
2006 — conf
Field Experiments on Real-Time 1-Gbps High-Speed Packet Transmission in MIMO-OFDM Broadband Packet Radio Access.
VTC Spring
Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi
2006 — conf
Frequency Domain Channel-Dependent Scheduling Employing an Adaptive Transmission Bandwidth for Pilot Channel in Uplink Single-Carrier-FDMA Radio Access.
VTC Spring
Yoshiaki Ofuji, Kenichi Higuchi, Mamoru Sawahashi
2006 — conf
Intra-Node B Orthogonal Pilot Channel Structure for OFDM Radio Access in Evolved UTRA Downlink.
VTC Spring
Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2006 — conf
Investigations on Optimum Roll-off Factor for DFT-Spread OFDM Based SC-FDMA Radio Access in Evolved UTRA Uplink.
ISWCS
Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2006 — conf
Investigations on Random Access Channel Structure in Evolved UTRA Uplink.
ISWCS
Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2006 — conf
Multi-degree Random Cyclic Delay Diversity in MISO Systems with Frequency-Domain Scheduling.
APCCAS
Zhengang Pan, Jingxiu Liu, Lan Chen, Kenichi Higuchi, Mamoru Sawahashi
2006 — conf
Optimum Resource Block Bandwidth for Frequency Domain Channel-Dependent Scheduling in Evolved UTRA Downlink OFDM Radio Access.
VTC Spring
Satoshi Nagata, Yoshiaki Ofuji, Kenichi Higuchi, Mamoru Sawahashi
2006 — conf
Performance Comparison Between Fast Sector Selection and Simultaneous Transmission with Soft-Combining for Intra-Node B Macro Diversity in Downlink OFDM Radio Access.
VTC Spring
Akihito Morimoto, Kenichi Higuchi, Mamoru Sawahashi
2006 — conf
Pseudo-Inverse MMSE Based QRD-M Algorithm for MIMO OFDM.
VTC Spring
Sumei Sun, Yongmei Dai, Zhongding Lei, Kenichi Higuchi, Hiroyuki Kawai
2006 J jnl
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.
Eur. Trans. Telecommun.
Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi
2005 J jnl
Fast Cell Search Algorithm for Overlay System with Cellular and Isolated Cells in Forward Link for OFCDM Broadband Wireless Access.
IEICE Trans. Commun.
Motohiro Tanno, Hiroyuki Atarashi, Kenichi Higuchi, Mamoru Sawahashi
2005 J jnl
Field Experiments on Throughput Performance above 100 Mbps in Forward Link for VSF-OFCDM Broadband Wireless Access.
IEICE Trans. Commun.
Yoshihisa Kishiyama, Noriyuki Maeda, Kenichi Higuchi, Hiroyuki Atarashi, Mamoru Sawahashi
2005 J jnl
Likelihood Function for QRM-MLD Suitable for Soft-Decision Turbo Decoding and Its Performance for OFCDM MIMO Multiplexing in Multipath Fading Channel.
IEICE Trans. Commun.
Hiroyuki Kawai, Kenichi Higuchi, Noriyuki Maeda, Mamoru Sawahashi, Takumi Ito, Yoshikazu Kakura, Akihisa Ushirokawa, Hiroyuki Seki
2004 B conf
Adaptive selection of surviving symbol replica candidates based on maximum reliability in QRM-MLD for OFCDM MIMO multiplexing.
GLOBECOM
Kenichi Higuchi, Hiroyuki Kawai, Noriyuki Maeda, Mamoru Sawahashi
2004 — conf
Experiments on three-step fast cell search algorithm employing common pilot channel for OFCDM broadband packet wireless access in forward link.
VTC Fall (2)
Motohiro Tanno, Kenichi Higuchi, Hiroyuki Atarashi, Mamoru Sawahashi
2004 B conf
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.
PIMRC
Takashi Kataoka, Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi
2004 B conf
Field experiments on low-rate turbo coding and soft-decision decoding for broadband packet DS-CDMA wireless access in reverse link.
PIMRC
Shingo Suwa, Nobuhiko Miki, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi
2004 B conf
Likelihood function for QRM-MLD suitable for soft-decision turbo decoding and its performance for OFCDM MIMO multiplexing in multipath fading channel.
PIMRC
Kenichi Higuchi, Hiroyuki Kawai, Noriyuki Maeda, Mamoru Sawahashi, Takumi Ito, Yoshikazu Kakura, Akihisa Ushirokawa, Hiroyuki Seki
2004 B conf
QRM-MLD combined with MMSE-based multipath interference canceller for MIMO multiplexing in broadband DS-CDMA.
PIMRC
Noriyuki Maeda, Kenichi Higuchi, Junichiro Kawamoto, Mamoru Sawahashi, Masayuki Kimata, Shousei Yoshida
2003 J jnl
Experimental Evaluation of Coherent Adaptive Antenna Array Diversity Receiver Employing Optical Fiber Interface in IF Stage.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Taisuke Ihara, Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi
2003 J jnl
Experimental Evaluations on Throughput Performance of Adaptive Modulation and Channel Coding and Hybrid ARQ in HSDPA.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takahiro Asai, Kenichi Higuchi, Mamoru Sawahashi
2003 B conf
Experimental evaluation of throughput performance in broadband packet wireless access based on VSF-OFCDM and VSF-CDMA.
PIMRC
Noriyuki Maeda, Yoshihisa Kishiyama, Kenichi Higuchi, Hiroyuki Atarashi, Mamoru Sawahashi
2003 B conf
Experimental evaluation on effect of hybrid ARQ with packet combining in forward link for VSF-OFCDM broadband wireless access.
PIMRC
Nobuhiko Miki, Hiroyuki Atarashi, Kenichi Higuchi, Sadayuki Abeta, Mamoru Sawahashi
2002 — conf
Comparison between multipath interference canceller and chip equalizer in HSDPA in multipath channel.
VTC Spring
Teruo Kawamura, Kenichi Higuchi, Yoshihisa Kishiyama, Mamoru Sawahashi
2002 J jnl
Experimental Evaluation of Three-Step Cell Search Method in W-CDMA Mobile Communications.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kenichi Higuchi, Yukiko Hanada, Mamoru Sawahashi, Fumiyuki Adachi
2002 B conf
Experimental evaluation of coherent adaptive antenna array diversity receiver employing optical fiber interface in IF stage.
PIMRC
Taisuke Ihara, Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi
2002 J jnl
Experiments on pilot symbol-assisted coherent multistage interference canceller for DS-CDMA mobile radio.
IEEE J. Sel. Areas Commun.
Mamoru Sawahashi, Kenichi Higuchi, Hidehiro Andoh, Fumiyuki Adachi
2002 J jnl
Multipath Interference Canceller for Orthogonal Code-Multiplexed Channels and Its Performance in W-CDMA Forward Link.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Akhmad Unggul Priantoro, Heiichi Yamamoto, Kenichi Higuchi, Mamoru Sawahashi
2002 J jnl
Multipath interference canceller for high-speed packet transmission with adaptive modulation and coding scheme in W-CDMA forward link.
IEEE J. Sel. Areas Commun.
Kenichi Higuchi, Akihiro Fujiwara, Mamoru Sawahashi
2002 J jnl
SIR Measurement with Data Channel Transmission Gap Using Multipath Interference Canceller for High-Speed Packet Transmission in W-CDMA Forward Link.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Akihiro Fujiwara, Kenichi Higuchi, Mamoru Sawahashi
2002 B conf
Three-step cell search algorithm for broadband multi-carrier CDMA packet wireless access.
PIMRC
Yukiko Hanada, Kenichi Higuchi, Mamoru Sawahashi
2001 J jnl
Improvements in W-CDMA: principles and experimental results.
Ann. des Télécommunications
Mamoru Sawahashi, Kenichi Higuchi, Shinya Tanaka, Fumiyuki Adachi
2001 — conf
Parallel-type coherent multistage interference canceller with multiple-antenna reception in DS-CDMA reverse link.
VTC Fall
Yoshihisa Kishiyama, Taisuke Ihara, Kenichi Higuchi, Mamoru Sawahashi
2001 — conf
Site independent diversity transmit power control for inter-cell site diversity in W-CDMA forward link.
VTC Fall
Akihito Morimoto, Kenichi Higuchi, Mamoru Sawahashi
2000 J jnl
Enhanced wireless access technologies and experiments for W-CDMA communications.
IEEE Wirel. Commun.
Mamoru Sawahashi, Kenichi Higuchi, Shinya Tanaka, Fumiyuki Adachi
2000 J jnl
Experimental evaluation of combined effect of coherent RAKE combining and SIR-based fast transmit power control for reverse link of DS-CDMA mobile radio.
IEEE J. Sel. Areas Commun.
Kenichi Higuchi, Hidehiro Andoh, Koichi Okawa, Mamoru Sawahashi, Fumiyuki Adachi
2000 B conf
Parallel-type coherent multi-stage interference canceller with iterative channel estimation using both pilot and decision-feedback data symbols for W-CDMA mobile radio.
PIMRC
Koichi Okawa, Kenichi Higuchi, Mamoru Sawahashi
1998 B conf
Experiments on coherent multistage interference canceller for DS-CDMA mobile radio.
PIMRC
Mamoru Sawahashi, Hidehiro Andoh, Kenichi Higuchi, Fumiyuki Adachi
1993 J jnl
Mapping Communication Networks in the Directory.
Comput. Networks ISDN Syst.
Glenn Mansfield, K. Jayanthi, Kenichi Higuchi, Thomas Johannsen, Yasunoni Nemoto, Shoichi Noguchi
1992 B conf
Network Management In A Large-scale OSI-based Campus Network.
NOMS
Glenn Mansfield, Makoto Murata, Kenichi Higuchi, Krishnamachari J. Yanthi, Basabi Chakraborty, Yoshiaki Nemoto, Shoichi Noguchi