Hideki Ochiai

235 papers A 1B 48C 1Misc 2Journal 107Unranked 76
YearRankTypeTitle / Venue / Authors
2026 — conf
Adaptive Code Rate Selection for Polar-Coded OFDM Systems With Specified Reliability Constraints.
CCNC
Ginga Hashimoto, Takumi Takahashi, Hideki Ochiai
2026 J jnl
High-Capacity and Low-PAPR BICM-OFDM Systems Using Non-Equiprobable and Non-Uniform Constellation Shaping With Clipping and Filtering.
IEEE Trans. Commun.
Eito Kurihara, Hideki Ochiai
2026 J jnl
Reciprocity Calibration of Dual-Antenna Repeaters via MMSE Estimation.
CoRR
Shoma Hara, Takumi Takahashi, Hiroki Iimori, Hideki Ochiai, Erik G. Larsson
2026 J jnl
Single-Carrier Transmission for Delay and Doppler Shifts.
IEEE Trans. Wirel. Commun.
Yuto Hama, Hideki Ochiai
2026 J jnl
Vector Similarity Search-Based MCS Selection in Massive Multi-User MIMO-OFDM.
IEEE Trans. Wirel. Commun.
Fuga Kobayashi, Takumi Takahashi, Shinsuke Ibi, Takanobu Doi, Kazushi Muraoka, Hideki Ochiai
2025 B conf
A Design of High-Order APSK Constellations with PAPR Constraints for Single-Carrier BICM Systems.
WiMob
Eito Kurihara, Hideki Ochiai
2025 — conf
A Systematic and Low-Complexity Constellation Shaping Design for Rate-Adaptive BICM Systems Based on Nonuniform QAM.
CCNC
Eito Kurihara, Hideki Ochiai
2025 J jnl
Cross-Domain Joint Channel and Data Estimation for mmWave MIMO-OFDM Systems With Low-Resolution ADCs.
IEEE J. Sel. Top. Signal Process.
Kenta Ito, Takumi Takahashi, Koji Ishibashi, Shinsuke Ibi, Hideki Ochiai
2025 B conf
Deep Unfolding-Aided Tensor Decomposition for mmWave MIMO-OFDM Channel Estimation.
GLOBECOM
Shoma Hara, Takumi Takahashi, Hideki Ochiai
2025 J jnl
EXIT Chart Analysis of Expectation Propagation-Based Iterative Detection and Decoding.
IEEE Open J. Commun. Soc.
Fuga Kobayashi, Takumi Takahashi, Shinsuke Ibi, Hideki Ochiai
2025 J jnl
High-Capacity and Low-PAPR BICM-OFDM Systems Using Non-Equiprobable and Non-Uniform Constellation Shaping With Clipping and Filtering.
CoRR
Eito Kurihara, Hideki Ochiai
2025 B conf
Learning Stabilization in Deep Unfolding of Generalized Approximate Message Passing.
WCNC
Tomoharu Furudoi, Takumi Takahashi, Shinsuke Ibi, Hideki Ochiai
2025 J jnl
Outer Bounds on the CEO Problem With Privacy Constraints.
IEEE Trans. Inf. Forensics Secur.
Vamoua Yachongka, Hideki Yagi, Hideki Ochiai
2025 J jnl
Physical Layer Security for Integrated Sensing and Communication: A Survey.
IEEE Open J. Commun. Soc.
Toshiki Matsumine, Hideki Ochiai, Junji Shikata
2025 J jnl
Quantum Algorithms for the Physical Layer: Potential Applications to Physical Layer Security.
IEEE Access
Toshiki Matsumine, Hideki Ochiai, Junji Shikata
2025 — conf
Quaternion Domain Super MDS for 3D Localization.
SPAWC
Keigo Masuoka, Takumi Takahashi, Giuseppe Abreu, Hideki Ochiai
2025 J jnl
Quaternion Domain Super MDS for 3D Localization.
CoRR
Keigo Masuoka, Takumi Takahashi, Giuseppe Thadeu Freitas de Abreu, Hideki Ochiai
2025 B conf
Row and Group Pseudo Sparsity-Aware Bayesian Learning for MIMO-OTFS Channel Estimation.
GLOBECOM
Kengo Furuta, Takumi Takahashi, Hideki Ochiai
2025 — conf
Turbo Equalization and EP: A Comparative Analysis of Extrinsic Value Exchange Mechanisms.
SPAWC
Fuga Kobayashi, Takumi Takahashi, Shinsuke Ibi, Hideki Ochiai
2025 B conf
Vector Similarity Search-Based MCS Selection for Iterative Signal Detection in Massive Multi-User MIMO-OFDM Systems.
WCNC
Fuga Kobayashi, Takumi Takahashi, Shinsuke Ibi, Hideki Ochiai, Kazushi Muraoka, Takanobu Doi, Naoto Ishii
2024 J jnl
A Flexible Polar Decoding Architecture With Adjustable Latency and Reliability.
IEEE Open J. Commun. Soc.
Shintaro Fujiwara, Hideki Ochiai
2024 J jnl
An Efficient Information Reconciliation Scheme via Partial Encoding for Physical Layer Secret Key Generation.
IEEE Commun. Lett.
Toshiki Matsumine, Hideki Ochiai, Junji Shikata
2024 J jnl
Can Spatial Modulation Outperform Spatial Multiplexing in Practical Band-Limited Coded Systems?
IEEE Commun. Mag.
Yuto Hama, Hideki Ochiai
2024 J jnl
Design of Low-Complexity Coded Modulation Employing High-Order QAM With Systematic Geometric Constellation Shaping.
IEEE Open J. Commun. Soc.
Eito Kurihara, Hideki Ochiai
2024 J jnl
Discrete-Valued Signal Estimation via Low-Complexity Message Passing Algorithm for Highly Correlated Measurements.
CoRR
Tomoharu Furudoi, Takumi Takahashi, Shinsuke Ibi, Hideki Ochiai
2024 J jnl
Peak Power Properties of Band-Limited Signals: With Pulse Shaping or Windowing.
IEEE Trans. Veh. Technol.
Hideki Ochiai
2024 — conf
Performance Comparison of Clipped and Filtered OFDM/QAM and SC/APSK with BICM.
CCNC
Kazuaki Hanazawa, Yuto Hama, Hideki Ochiai
2024 — conf
Precoder Design for Time-Varying mmWave MIMO Detection Based on Expectation Propagation.
VTC Fall
Tomoharu Furudoi, Takumi Takahashi, Shinsuke Ibi, Hideki Ochiai
2024 J jnl
Recent Advances in Deep Learning for Channel Coding: A Survey.
CoRR
Toshiki Matsumine, Hideki Ochiai
2024 J jnl
Recent Advances in Deep Learning for Channel Coding: A Survey.
IEEE Open J. Commun. Soc.
Toshiki Matsumine, Hideki Ochiai
2024 J jnl
Single-Carrier Delay-Doppler Domain Equalization.
CoRR
Yuto Hama, Hideki Ochiai
2024 J jnl
Sparse Bayesian Learning Using Complex t-Prior for Beam-Domain Massive MIMO Channel Estimation.
IEEE Open J. Commun. Soc.
Kengo Furuta, Takumi Takahashi, Hideki Ochiai
2024 — conf
Sparse Bayesian Learning Using Complex t-Prior for Massive Multi-User MIMO Channel Estimation.
VTC Fall
Kengo Furuta, Takumi Takahashi, Hideki Ochiai
2023 J jnl
A Data-Driven Analysis of Secret Key Rate for Physical Layer Secret Key Generation From Wireless Channels.
IEEE Commun. Lett.
Toshiki Matsumine, Hideki Ochiai, Junji Shikata
2023 — conf
A Distributed Cybersecurity Solution in an IoMT Network Using a Multi-target Federated Learning.
ISMICT
Zie Eya Ekolle, Ryuji Kohno, Hideki Ochiai
2023 J jnl
A New Polar Code Design Based on Reciprocal Channel Approximation.
IEEE Trans. Commun.
Hideki Ochiai, Kosuke Ikeya, Patrick Mitran
2023 B conf
A Polar Coded OFDM System With Artificial Noise for Covert Communication.
GLOBECOM
Hiroki Fukada, Hideki Ochiai
2023 — conf
A Systematic Constellation Design for BICM Systems With Geometric Shaping.
CCNC
Eito Kurihara, Hideki Ochiai
2023 A conf
Beware of Pickpockets: A Practical Attack against Blocking Cards.
RAID
Marco Alecci, Luca Attanasio, Alessandro Brighente, Mauro Conti, Eleonora Losiouk, Hideki Ochiai, Federico Turrin
2023 J jnl
Beware of Pickpockets: A Practical Attack against Blocking Cards.
CoRR
Marco Alecci, Luca Attanasio, Alessandro Brighente, Mauro Conti, Eleonora Losiouk, Hideki Ochiai, Federico Turrin
2023 J jnl
Collabo: A Collaborative Machine Learning Model and Its Application to the Security of Heterogeneous Medical Data in an IoT Network.
IEEE Access
Zie Eya Ekolle, Hideki Ochiai, Ryuji Kohno
2023 — conf
Design SNR Optimization of Polar Codes Over Block Rician Fading Channels.
MILCOM
Hidetake Matsui, Toshiki Matsumine, Hideki Ochiai
2023 B conf
Design of Multilevel Coding for Clipped and Filtered OFDM With Clipping Noise Cancellation.
WiMob
Daichi Muramatsu, Hideki Ochiai
2023 J jnl
Key Agreement Using Physical Identifiers for Degraded and Less Noisy Authentication Channels.
IEEE Trans. Inf. Forensics Secur.
Vamoua Yachongka, Hideki Yagi, Hideki Ochiai
2023 J jnl
On Spectral Efficiency of OFDM Signals Based on Windowing.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hideki Ochiai
2023 J jnl
On the Achievable Spectral Efficiency of Non-Orthogonal Frequency Division Multiplexing.
IEEE Trans. Commun.
Yuto Hama, Hideki Ochiai
2023 — conf
Performance Analysis for Coded Wireless Steganography System with OFDM Signaling.
RWS
Yuto Hama, Kazuaki Hanazawa, Hideki Ochiai, Junji Shikata
2023 J jnl
STBC-Enabled Secure Wireless Transmission With Cooperative Devices Under Imperfect CSI of Destination.
IEEE Access
Tianji Shen, Yuto Hama, Hideki Ochiai
2023 J jnl
Secrecy Design of Indoor Visible Light Communication Network under Downlink NOMA Transmission.
CoRR
Tianji Shen, Vamoua Yachongka, Yuto Hama, Hideki Ochiai
2023 B conf
Secure NOMA-Based Indoor VLC Networks with Body Blockage Model.
WCNC
Tianji Shen, Vamoua Yachongka, Hideki Ochiai
2023 B conf
Serially Concatenated Systematic Coding for Wireless Steganography with OFDM Signaling.
GLOBECOM
Yuto Hama, Hideki Ochiai
2023 J jnl
The Secure CEO Problem With Physical Identifiers Under Logarithmic Loss and Quadratic Distortion Measures.
CoRR
Vamoua Yachongka, Hideki Yagi, Hideki Ochiai
2023 J jnl
Time-Frequency Domain Non-Orthogonal Multiple Access for Power Efficient Communications.
IEEE Trans. Wirel. Commun.
Yuto Hama, Hideki Ochiai
2022 — conf
A New Low-Complexity Polar Code Construction for BICM Over AWGN Channels.
MILCOM
Masayuki Kaneko, Hideki Ochiai
2022 J jnl
A New Polar Code Design Based on Reciprocal Channel Approximation.
CoRR
Hideki Ochiai, Kosuke Ikeya, Patrick Mitran
2022 J jnl
Binary-Input Ternary-Output Turbo Codes for Ternary PSK Transmission.
IEEE Commun. Lett.
Yuto Hama, Hideki Ochiai
2022 J jnl
Matched-Filter Detector With Quadrature Interference Cancellation for Coded Uplink Multiuser MIMO Systems With Massive IoT Devices.
IEEE Trans. Wirel. Commun.
Yuto Hama, Hideki Ochiai
2022 J jnl
Maximum-Likelihood-Based Performance Enhancement of Clipped and Filtered OFDM Systems With Clipping Noise Cancellation.
IEEE Wirel. Commun. Lett.
Ying Sun, Hideki Ochiai
2022 J jnl
On Rate-Splitting With Non-Unique Decoding in Multi-Cell Massive MIMO Systems.
IEEE Trans. Commun.
Meysam Shahrbaf Motlagh, Subhajit Majhi, Patrick Mitran, Hideki Ochiai
2022 J jnl
On Rate-Splitting With Non-unique Decoding In Multi-cell Massive MIMO Systems.
CoRR
Meysam Shahrbaf Motlagh, Subhajit Majhi, Patrick Mitran, Hideki Ochiai
2022 B conf
Secret-Key Agreement Using Physical Identifiers for Degraded and Less Noisy Authentication Channels.
ITW
Vamoua Yachongka, Hideki Yagi, Hideki Ochiai
2022 J jnl
Secret-Key Agreement Using Physical Identifiers for Degraded and Less Noisy Authentication Channels.
CoRR
Vamoua Yachongka, Hideki Yagi, Hideki Ochiai
2022 J jnl
Security Gap Improvement of BICM Systems Through Bit-Labeling Optimization for the Gaussian Wiretap Channel.
IEEE Access
Toshiki Matsumine, Hideki Ochiai, Junji Shikata
2021 J jnl
A Low-Complexity Probabilistic Amplitude Shaping With Short Linear Block Codes.
IEEE Trans. Commun.
Toshiki Matsumine, Toshiaki Koike-Akino, Hideki Ochiai
2021 J jnl
A UAV-Enabled Wireless Powered Sensor Network Based on NOMA and Cooperative Relaying With Altitude Optimization.
IEEE Open J. Commun. Soc.
Tianji Shen, Hideki Ochiai
2021 J jnl
Capacity-Approaching Polar Codes With Long Codewords and Successive Cancellation Decoding Based on Improved Gaussian Approximation.
IEEE Trans. Commun.
Hideki Ochiai, Patrick Mitran, H. Vincent Poor
2021 J jnl
On Downlink Interference Decoding In Multi-Cell Massive MIMO Systems.
CoRR
Meysam Shahrbaf Motlagh, Subhajit Majhi, Patrick Mitran, Hideki Ochiai
2021 J jnl
Performance Analysis and Comparison of Clipped and Filtered OFDM Systems With Iterative Distortion Recovery Techniques.
IEEE Trans. Wirel. Commun.
Ying Sun, Hideki Ochiai
2021 — conf
Performance Analysis of Wireless Steganography based on OFDM and DFT-s-OFDM Signals over Frequency-Selective Rayleigh Fading Channels.
WPMC
Yuto Hama, Hideki Ochiai, Junji Shikata
2020 — conf
A Physical-Layer Security Based on Wireless Steganography Through OFDM and DFT-Precoded OFDM Signals.
VTC Spring
Ryohei Yamaguchi, Hideki Ochiai, Junji Shikata
2020 — conf
On Design of Multilevel Coded Modulation Based on CRC-Concatenated Polar Codes.
CCNC
Yuki Yajima, Hideki Ochiai
2020 B conf
Performance of Coded MIMO Spatial Modulation with Scaling Matched-Filter Detector.
GLOBECOM
Yuto Hama, Hideki Ochiai
2019 J jnl
A Novel PAPR Reduction Scheme for Polar-Coded OFDM Systems.
IEEE Commun. Lett.
Toshiki Matsumine, Hideki Ochiai
2019 — conf
A UAV-Aided Data Collection for Wireless Powered Sensor Network over Rician Fading Channels.
CCNC
Tianji Shen, Hideki Ochiai
2019 — conf
A UAV-Aided Selective Relaying with Cooperative Jammers for Secure Wireless Networks over Rician Fading Channels.
VTC Fall
Tianji Shen, Hideki Ochiai
2019 J jnl
Capacity-Approaching Polar Codes with Long Codewords and Successive Cancellation Decoding Based on Improved Gaussian Approximation.
CoRR
Hideki Ochiai, Patrick Mitran, H. Vincent Poor
2019 J jnl
PAPR Reduction of OFDM With Trellis Shaping Based on ${p}$ -Norm Minimization.
IEEE Wirel. Commun. Lett.
Shun Takizawa, Hideki Ochiai
2019 J jnl
Performance Analysis of Matched-Filter Detector for MIMO Spatial Multiplexing Over Rayleigh Fading Channels With Imperfect Channel Estimation.
IEEE Trans. Commun.
Yuto Hama, Hideki Ochiai
2019 B conf
Performance of Polar Coded MIMO Systems with Matched-Filter Detector and Interference Cancellation.
GLOBECOM
Yuto Hama, Hideki Ochiai
2019 — conf
Trellis Shaping Using Clipping-based Metric with Improved PAPR Reduction for OFDM Signals.
RWS
Shun Takizawa, Hideki Ochiai
2018 — conf
A Coded MIMO Spatial Multiplexing Approach with Low-Complexity Matched-Filter Detector and CRC-Assisted Interference Cancellation.
MILCOM
Kentaro Masukawa, Hideki Ochiai
2018 — conf
A Design of Non-Binary Turbo Codes over Finite Fields Based on Gaussian Approximation and Union Bounds.
VTC Spring
Toshiki Matsumine, Hideki Ochiai
2018 J jnl
A New Uplink Multiple Access Based on OFDM With Low PAPR, Low Latency, and High Reliability.
IEEE Trans. Commun.
Yuta Hori, Hideki Ochiai
2018 J jnl
A Serial Concatenation of Binary-Input Nonbinary-Output Convolutional Code and Recursive Convolutional Lattice Code.
IEEE Access
Toshiki Matsumine, Hideki Ochiai
2018 B conf
A new low-complexity trellis shaping design based on clipping for PAPR reduction in BICM-OFDM system.
WCNC
Junya Watanabe, Hideki Ochiai
2018 — conf
A new turbo coded modulation approach exploiting non-binary field.
RWS
Toshiki Matsumine, Hideki Ochiai
2018 J jnl
Capacity-Approaching Non-Binary Turbo Codes: A Hybrid Design Based on EXIT Charts and Union Bounds.
IEEE Access
Toshiki Matsumine, Hideki Ochiai
2018 B conf
Construction D Lattice Decoding and Its Application to BCH Code Lattices.
GLOBECOM
Toshiki Matsumine, Brian M. Kurkoski, Hideki Ochiai
2018 J jnl
Decision Region Optimization and Metric-Based Compensation of Memoryless Nonlinearity for APSK Systems.
IEEE Trans. Broadcast.
Daiki Yoda, Hideki Ochiai
2018 J jnl
Exploiting variable-length padding bits for decoder performance improvement with its application to compressed video transmission.
Signal Process. Image Commun.
Yoshito Watanabe, Hideki Ochiai
2018 J jnl
Performance Analysis of CRC Codes for Systematic and Nonsystematic Polar Codes with List Decoding.
Wirel. Commun. Mob. Comput.
Takumi Murata, Hideki Ochiai
2018 — conf
Performance Comparison of Low-Complexity MIMO System with Matched-Filter Detector and Interference Cancellation.
ICT
Yuto Hama, Hideki Ochiai
2018 — conf
Software Defined Radio Implementation of SOCC-Based OFDM System with Low PAPR.
VTC Spring
Tomoki Yokokawa, Hideki Ochiai
2018 — conf
Uplink Multiple Access Based on MIMO-OFDM with Adaptive Super-Orthogonal Convolutional Codes for Ultra Reliable and Low Latency Communications.
ICC Workshops
Yuta Hori, Hideki Ochiai
2017 J jnl
A New Trellis Shaping Design for Peak Power Reduction of SC-FDMA Signals With High-Order QAM.
IEEE Trans. Veh. Technol.
Taewoo Lee, Hideki Ochiai
2017 — conf
A classification of OFDM signals with or without DFT precoding based on high-order moment.
DySPAN
Yusaku Yamashita, Hideki Ochiai
2017 — conf
An Efficient Time Switching Protocol with Adaptive Power Splitting for Wireless Energy Harvesting Relay Networks.
VTC Spring
Vikash Singh, Hideki Ochiai
2017 — conf
An adaptive MIMO-BICM system with CRC-assisted two-stage interference cancellation.
SPAWC
Shinya Hagihara, Hideki Ochiai
2017 J jnl
Energy Efficiency Improvement of Coded OFDM Systems Based on PAPR Reduction.
IEEE Syst. J.
Ryota Yoshizawa, Hideki Ochiai
2017 — conf
Fourth-Order Moment Analysis of Filtered Single-Carrier and OFDM Signals.
VTC Fall
Hideki Ochiai
2017 — conf
On Spectral Sharing Based on Power Control for Aerial and Ground Communication Links.
VTC Fall
Fumie Ono, Hideki Ochiai, Ryu Miura, Fumihide Kojima
2017 B conf
On design of CRC codes for polar codes with successive cancellation list decoding.
ISIT
Takumi Murata, Hideki Ochiai
2017 — conf
On throughput optimization for coded OFDM with variable cyclic prefix length.
WPMC
Masaya Arakawa, Hideki Ochiai
2017 J jnl
Peak and Average Power Reduction of OFDM Signals Based on Trellis Shaping with Controllable Region Expansion.
Wirel. Pers. Commun.
Masaki Matsuoka, Ryota Yoshizawa, Hideki Ochiai
2017 B conf
Performance Analysis of Matched Filter Detector for MIMO Systems in Rayleigh Fading Channels.
GLOBECOM
Yuto Hama, Hideki Ochiai
2017 — conf
Performance analysis of multiuser detection and decoding for subcarrier hopping multiple access.
CCNC
Yuta Hori, Hideki Ochiai
2017 J jnl
Performance analysis of the clustering-based multihop wireless energy harvesting sensor networks over symmetric and asymmetric fading channels.
Int. J. Distributed Sens. Networks
Vikash Singh, Hideki Ochiai
2017 — conf
Throughput improvement by cluster-based multihop wireless networks with energy harvesting relays.
WiSNet
Vikash Singh, Hideki Ochiai
2017 J jnl
Trellis-Assisted Constellation Subset Selection for PAPR Reduction of OFDM Signals.
IEEE Trans. Veh. Technol.
Ryota Yoshizawa, Hideki Ochiai
2017 B conf
Triple parallel concatenated trellis coded modulation.
PIMRC
Toshiki Matsumine, Hideki Ochiai
2016 J jnl
A Novel Design and Modeling of UEP-Based Compressed Video Broadcasting With Multilevel Coded Modulation.
IEEE Trans. Broadcast.
Yoshito Watanabe, Hideki Ochiai
2016 J jnl
A Wireless Relay Network Based on Unmanned Aircraft System With Rate Optimization.
IEEE Trans. Wirel. Commun.
Fumie Ono, Hideki Ochiai, Ryu Miura
2016 — conf
A design of multiuser detection and decoding for subcarrier hopping multiple access based on coded OFDM.
ICC
Yuta Hori, Hideki Ochiai
2016 B conf
A low-complexity matched filter detector with parallel interference cancellation for massive MIMO systems.
WiMob
Yuto Hama, Hideki Ochiai
2016 — conf
A novel FPGA implementation of trellis shaping for PAPR reduction of OFDM signals.
ICC
Jiajia Song, Hideki Ochiai
2016 J jnl
Performance Analysis and Interleaver Structure Optimization for Short-Frame BICM-OFDM Systems.
IEEE Trans. Wirel. Commun.
Yuta Hori, Hideki Ochiai
2016 J jnl
Performance Analysis for OFDM Signals With Peak Cancellation.
IEEE Trans. Commun.
Jiajia Song, Hideki Ochiai
2016 B conf
Performance evaluation of subcarrier hopping multiple access in wireless LAN scenarios.
PIMRC
Yuta Hori, Hideki Ochiai
2016 Misc conf
Performance of OFDM systems with adaptive DFT-precoding.
ACSSC
Yusaku Yamashita, Hideki Ochiai
2016 — conf
Punctured parallel concatenated convolutional lattice codes.
ISTC
Toshiki Matsumine, Hideki Ochiai
2015 B conf
A Low PAPR Subcarrier Hopping Multiple Access with Coded OFDM for Low Latency Wireless Networks.
GLOBECOM
Yuta Hori, Hideki Ochiai
2015 J jnl
A Trellis Shaping for Peak and Average Power Reduction of BICM-OFDM Signals.
IEEE Trans. Wirel. Commun.
Ryota Yoshizawa, Hideki Ochiai
2015 J jnl
A low-complexity peak cancellation scheme and its FPGA implementation for peak-to-average power ratio reduction.
EURASIP J. Wirel. Commun. Netw.
Jiajia Song, Hideki Ochiai
2015 — conf
Bit error rate analysis of convolutionally coded BICM with specific interleaver structures.
ICC
Yuta Hori, Hideki Ochiai
2015 — conf
Effect of Clipping and Filtering with Distortionless PAPR Reduction for OFDM Systems.
VTC Fall
Ryota Yoshizawa, Hideki Ochiai
2015 B conf
Exploiting Padding Bits for Improvement of Channel Decoder Performance.
GLOBECOM
Yoshito Watanabe, Hideki Ochiai
2015 J jnl
High-Order Moments and Gaussianity of Single-Carrier and OFDM Signals.
IEEE Trans. Commun.
Hideki Ochiai
2015 — conf
High-order statistical analysis for linearly modulated signals.
MILCOM
Hideki Ochiai
2015 J jnl
Multilevel Coded Modulation With Reduced Latency Decoding Based on Novel Set Partitioning for APSK.
IEEE Trans. Broadcast.
Daiki Yoda, Hideki Ochiai
2015 B conf
Mutual Information and Coded BER Analysis of PAPR Reduced OFDM System with Active Constellation Extension.
GLOBECOM
Ryota Yoshizawa, Hideki Ochiai
2015 J jnl
Parallel Concatenated Convolutional Lattice Codes With Constrained States.
IEEE Trans. Commun.
Patrick Mitran, Hideki Ochiai
2015 — conf
Performance Comparison of Coded OFDM with DFT-Precoding over Nonlinear Channels.
ICUWB
Yusaku Yamashita, Hideki Ochiai
2015 B conf
Theoretical error rate analysis of trellis shaped M-QAM constellations.
WCNC
Ryota Yoshizawa, Hideki Ochiai
2014 — conf
A Virtual MIMO Relay System with Unmanned Aircraft and Multiple Ground Stations.
VTC Fall
Kensuke Ikeda, Fumie Ono, Hideki Ochiai, Ryu Miura
2014 B conf
A novel trellis-based PAPR reduction technique for OFDM signals.
ISIT
Ryota Yoshizawa, Hideki Ochiai
2014 B conf
Amplifier efficiency and distortion trade-off of OFDM system with iterative clipping and filtering.
WCNC
Jiajia Song, Hideki Ochiai
2014 B conf
An interleaver optimization for BICM-OFDM with convolutional codes over frequency-selective block fading channels.
WCNC
Yuta Hori, Hideki Ochiai
2014 B conf
An optimal code rate design of multilevel coded modulation for multimedia data transmission employing unequal error protection.
GLOBECOM
Yoshito Watanabe, Hideki Ochiai
2014 J jnl
Characterization of power spectral density for nonlinearly amplified OFDM signals based on cross-correlation coefficient.
EURASIP J. Wirel. Commun. Netw.
Taewoo Lee, Hideki Ochiai
2014 B conf
Distortion modeling and analysis for multilevel coded APSK with memoryless nonlinearity.
GLOBECOM
Daiki Yoda, Hideki Ochiai
2014 Misc conf
FPGA implementation of peak cancellation for PAPR reduction of OFDM signals.
ICCS
Jiajia Song, Hideki Ochiai
2013 J jnl
A Peak Power Efficient Cooperative Diversity using Star-QAM with Coherent/Noncoherent Detection.
IEEE Trans. Wirel. Commun.
Koji Ishibashi, Won-Yong Shin, Hideki Ochiai, Vahid Tarokh
2013 — conf
A Signal Constellation Design for STBC with Spatial and Temporal Modulation.
ISWCS
Fumie Ono, Tatsuya Muramatsu, Hideki Ochiai, Ryu Miura
2013 — conf
A new candidate adding algorithm for coded MIMO systems with fixed-complexity detection.
ICC
Takuma Tsubaki, Hideki Ochiai
2013 B conf
A reduced-complexity multilevel coded modulation for APSK signaling.
ISIT
Daiki Yoda, Hideki Ochiai
2013 J jnl
An Analysis of Band-limited Communication Systems from Amplifier Efficiency and Distortion Perspective.
IEEE Trans. Commun.
Hideki Ochiai
2013 — conf
Analysis and Optimization of Trellis Shaping Concatenated with Bit-Interleaved Coded Modulation.
VTC Fall
Ryota Yoshizawa, Hideki Ochiai
2013 — conf
Classification of M-ary QAM Based on Instantaneous Power Moment with Adjustable Median.
MILCOM
Ryosuke Miyauchi, Hideki Ochiai
2013 — conf
Improvement of peak and average power reduction of trellis shaped OFDM signals by controllable region expansion.
WPMC
Masaki Matsuoka, Ryota Yoshizawa, Hideki Ochiai
2013 — conf
On Modulation Selection for Energy-Efficient Band-limited Communication Systems.
ISWCS
Hideki Ochiai
2013 J jnl
Performance Comparison of Uncoded OFDM Systems with Trellis Shaping over Nonlinear Channels.
Wirel. Pers. Commun.
Ryota Yoshizawa, Hideki Ochiai
2013 — conf
Performance analysis of wireless relay network using network coding and UAS.
GLOBECOM Workshops
Fumie Ono, Hideki Ochiai, Kenichi Takizawa, Mikio Suzuki, Ryu Miura
2013 J jnl
Power-Reductive Precoding for the Transmission of Correlated Information Sequences.
IEEE Trans. Commun.
Makoto Tanahashi, Hideki Ochiai
2013 J jnl
Statistical distributions of instantaneous power and peak-to-average power ratio for single-carrier FDMA systems.
Phys. Commun.
Hideki Ochiai
2013 — conf
Two-Way Relay Networks Using Unmanned Aircraft Systems.
VTC Spring
Fumie Ono, Hideki Ochiai, Kenichi Takizawa, Mikio Suzuki, Ryu Miura
2012 B conf
A serial concatenation of coding and trellis shaping for OFDM systems with peak power reduction.
ISIT
Ryota Yoshizawa, Hideki Ochiai
2012 — conf
A space-time block code with temporal and spatial modulation.
WPMC
Tatsuya Muramatsu, Hideki Ochiai, Fumie Ono, Ryu Miura
2012 — conf
Adaptive one-way and two-way relaying for MIMO relay networks.
WPMC
Sho Mukai, Fumie Ono, Hideki Ochiai, Ryu Miura
2012 J jnl
Analysis of Instantaneous Power Distributions for Non-Regenerative and Regenerative Relaying Signals.
IEEE Trans. Wirel. Commun.
Koji Ishibashi, Hideki Ochiai
2012 — conf
Comparison of Coded Modulations for Trellis-Shaped Single-Carrier PSK with PAPR Reduction.
VTC Fall
Yuuki Nishino, Hideki Ochiai
2012 B conf
Energy harvesting cooperative communications.
PIMRC
Koji Ishibashi, Hideki Ochiai, Vahid Tarokh
2012 — conf
Energy minimization of wireless sensor networks based on modulation and coding optimization under finite frame length constraint.
MILCOM
Kei Kinoshita, Hideki Ochiai
2012 — conf
Further complexity reduction of MIMO PSK signal detection based on symbol distribution approximation.
ICC
Shunsuke Tanaka, Hideki Ochiai
2012 J jnl
On Instantaneous Power Distributions of Single-Carrier FDMA Signals.
IEEE Wirel. Commun. Lett.
Hideki Ochiai
2012 B conf
Peak power reduction of SC-FDMA signals based on trellis shaping.
GLOBECOM
Taewoo Lee, Hideki Ochiai
2012 — conf
Peak-to-Average Power Ratio Distribution Analysis of Single-Carrier FDMA Signals.
EW
Hideki Ochiai
2012 — conf
Physical-Layer Network Coding Using FSK Modulation under Frequency Offset.
VTC Spring
Terry Ferrett, Hideki Ochiai, Matthew C. Valenti
2011 J jnl
A Bit-Labeling Design for Trellis-Shaped Single-Carrier PSK with PAPR Reduction.
EURASIP J. Adv. Signal Process.
Yuuki Nishino, Makoto Tanahashi, Hideki Ochiai
2011 J jnl
A Generalized MMSE Detection with Reduced Complexity for Spatially Multiplexed MIMO Signals
CoRR
Makoto Tanahashi, Hideki Ochiai
2011 J jnl
A New Reduced-Complexity Conditional-Mean Based MIMO Signal Detection Using Symbol Distribution Approximation Technique.
IEEE Trans. Signal Process.
Makoto Tanahashi, Hideki Ochiai
2011 — conf
A peak power efficient cooperative diversity using star-QAM.
GLOBECOM Workshops
Koji Ishibashi, Won-Yong Shin, Hyoseok Yi, Hideki Ochiai
2011 J jnl
Dynamic Coded Cooperation Using Multiple Turbo Codes in Wireless Relay Networks.
IEEE J. Sel. Top. Signal Process.
Koji Ishibashi, Koji Ishii, Hideki Ochiai
2011 — conf
Energy-Efficient Physical Layer Design for Wireless Sensor Network Links.
ICC
Felipe M. Costa, Hideki Ochiai
2011 J jnl
Exact and Approximate Distributions of Instantaneous Power for Pulse-Shaped Single-Carrier Signals.
IEEE Trans. Wirel. Commun.
Hideki Ochiai
2011 J jnl
Multilevel Coded Cooperation for Multiple Sources.
IEEE Trans. Wirel. Commun.
Koji Ishii, Koji Ishibashi, Hideki Ochiai
2011 — conf
On power amplifier efficiencies of linearly modulated signals with nonlinear distortion.
ISWCS
Hideki Ochiai
2011 B conf
Peak Power Reduction of OFDM Signals Using Trellis Shaping with M-Algorithm.
ICCCN
Ryota Yoshizawa, Hideki Ochiai
2011 — conf
Performance Analysis of Amplify and Forward Cooperation over Peak-Power Limited Channels.
ICC
Koji Ishibashi, Hideki Ochiai
2011 — conf
Performance comparison of trellis-shaped OFDM systems over nonlinear channels.
WPMC
Ryota Yoshizawa, Hideki Ochiai
2011 — conf
Physical layer energy optimization analysis for fixed bandwidth wireless sensor networks.
WPMC
Felipe M. Costa, Bruno H. C. Faria, Flavio A. C. M. Filho, Hideki Ochiai
2010 B conf
A Comparison of Modulations for Energy Optimization in Wireless Sensor Network Links.
GLOBECOM
Felipe M. Costa, Hideki Ochiai
2010 C conf
A new bit-labeling for trellis-shaped PSK with improved PAPR reduction capability.
ISITA
Yuuki Nishino, Makoto Tanahashi, Hideki Ochiai
2010 B conf
An Approximate Distribution of Instantaneous Power in Band-Limited PSK Signals.
GLOBECOM
Hideki Ochiai
2010 J jnl
Combined Trellis Precoding and Error Correcting Codes in Multi-User MIMO-OFDM Systems.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Tsuguhide Aoki, Hideki Ochiai, Ryuji Kohno
2010 — conf
Dynamic Turbo Coded Cooperation with Simple Power Detection.
ICC
Koji Ishibashi, Koji Ishii, Hideki Ochiai
2010 — conf
Energy Optimization for Reliable Point-to-Point Communication in Energy-Constrained Networks.
VTC Spring
Felipe M. Costa, Hideki Ochiai
2010 — conf
Experimental Analysis of Clipping and Filtering Effects on OFDM Systems.
ICC
Taewoo Lee, Hideki Ochiai
2010 J jnl
On the distribution of instantaneous power in single-carrier signals.
IEEE Trans. Wirel. Commun.
Makoto Tanahashi, Hideki Ochiai
2010 J jnl
Symbol Insertion: A Low-Complexity Joint Peak Power Reduction and Forward Error Correction for Single-Carrier Systems.
IEEE Trans. Commun.
Makoto Tanahashi, Hideki Ochiai
2010 J jnl
Turbo decoding of concatenated channel coding and trellis shaping for peak power controlled single-carrier systems.
IEEE Trans. Commun.
Makoto Tanahashi, Hideki Ochiai
2009 — conf
A Novel Cooperative Diversity Based on Multilevel Coded Modulation.
ICC
Koji Ishii, Koji Ishibashi, Hideki Ochiai
2009 J jnl
A multilevel coded modulation approach for hexagonal signal constellation.
IEEE Trans. Wirel. Commun.
Makoto Tanahashi, Hideki Ochiai
2009 B conf
A simple OFDM-based multiple access system with super-orthogonal convolutional codes and golay sequence.
WCNC
Hideki Ochiai, Yu Takayama
2009 B conf
Analysis and Efficient Computation of Instantaneous Power Distribution of Single-Carrier Signals.
GLOBECOM
Makoto Tanahashi, Hideki Ochiai
2009 J jnl
Bit-interleaved coded DPSK with cyclic delay diversity: design and analysis.
IEEE Trans. Wirel. Commun.
Koji Ishibashi, Koji Ishii, Hideki Ochiai
2009 — conf
Design of Adaptive Coded Cooperation using Rate Compatible Turbo Codes.
VTC Fall
Koji Ishibashi, Koji Ishii, Hideki Ochiai
2009 — conf
FPGA Implementation of Trellis Shaping to Control Peak Power for PSK Signals.
ICC
Hiroyuki Kitagawa, Makoto Tanahashi, Hideki Ochiai
2009 — conf
Improving Error Rate Performance of Correlated Sources by Non-Root-Nyquist Pulse Shaping.
VTC Fall
Makoto Tanahashi, Hideki Ochiai
2009 J jnl
Near constant envelope trellis shaping for PSK signaling.
IEEE Trans. Commun.
Makoto Tanahashi, Hideki Ochiai
2009 B conf
On destructive superposition of shaping pulses in band-limited linear modulation systems.
ISIT
Hideki Ochiai, Makoto Tanahashi
2009 — conf
Peak Power Reduction of Single-Carrier Signals Using Trellis Shaping with M and Stack Algorithms.
VTC Fall
Masaru Iki, Makoto Tanahashi, Hideki Ochiai
2009 J jnl
Trellis Shaping for Controlling Envelope of Single-Carrier High-Order QAM Signals.
IEEE J. Sel. Top. Signal Process.
Makoto Tanahashi, Hideki Ochiai
2008 — conf
A Simple Modulation Code with Peak Power Reduction and Coding Gain.
ICC
Makoto Tanahashi, Hideki Ochiai
2008 B conf
An Efficient Hybrid ARQ System Using Multilevel Coded Modulation with Reduced Constellation Size.
GLOBECOM
Takashi Tamagawa, Hideki Ochiai
2008 B conf
Diversity Order Analysis of Bit-Interleaved Coded DPSK with Cyclic Delay Diversity.
GLOBECOM
Koji Ishibashi, Koji Ishii, Hideki Ochiai
2008 J jnl
Embedded forward error control technique (EFECT) for low-rate but low latency communications.
IEEE Trans. Wirel. Commun.
Koji Ishibashi, Hideki Ochiai, Ryuji Kohno
2008 B conf
Trellis Shaping with Flexible Control of Peak and Average Power for Single-Carrier High-Order QAM.
GLOBECOM
Makoto Tanahashi, Hideki Ochiai
2007 — conf
A New Trellis Shaping Approach for Pulse-Shaped PSK Signals with Almost Constant Envelope.
ICC
Makoto Tanahashi, Hideki Ochiai
2007 B conf
Design of Reed-Solomon Codes for OFDM Systems with Clipping and Filtering.
WCNC
Takahiro Masakawa, Hideki Ochiai
2007 B conf
Embedded Forward Error Control Technique (EFECT) for Low-Rate Real-Time Communications.
GLOBECOM
Koji Ishibashi, Hideki Ochiai, Ryuji Kohno
2007 B conf
Iterative Decoding of Concatenated Channel Coding and Trellis Shaping Based on Markov Model.
GLOBECOM
Makoto Tanahashi, Hideki Ochiai
2007 B conf
Low Complexity Bit-Interleaved Coded DAPSK with Cyclic Delay Diversity.
PIMRC
Koji Ishibashi, Hideki Ochiai, Ryuji Kohno
2006 — conf
On the Performance of LDPC Codes with Differential Detection over Rayleigh Fading Channels.
VTC Spring
Hiroshi Tatsunami, Koji Ishibashi, Hideki Ochiai
2006 J jnl
Variable-Rate Two-Phase Collaborative Communication Protocols for Wireless Networks.
IEEE Trans. Inf. Theory
Hideki Ochiai, Patrick Mitran, Vahid Tarokh
2005 J jnl
Collaborative Beamforming for Distributed Wireless Ad Hoc Sensor Networks
CoRR
Hideki Ochiai, Patrick Mitran, H. Vincent Poor, Vahid Tarokh
2005 J jnl
Collaborative beamforming for distributed wireless ad hoc sensor networks.
IEEE Trans. Signal Process.
Hideki Ochiai, Patrick Mitran, H. Vincent Poor, Vahid Tarokh
2005 — conf
Collaborative diversity enhancements for wireless communications.
ICC
Patrick Mitran, Hideki Ochiai, Vahid Tarokh
2005 J jnl
Low-complexity bit-interleaved coded DAPSK for Rayleigh-fading channels.
IEEE J. Sel. Areas Commun.
Koji Ishibashi, Hideki Ochiai, Ryuji Kohno
2005 — conf
On the effects of phase estimation errors on collaborative beamforming in wireless ad hoc networks.
ICASSP (3)
Hideki Ochiai, Patrick Mitran, H. Vincent Poor, Vahid Tarokh
2005 J jnl
Space-time diversity enhancements using collaborative communications.
IEEE Trans. Inf. Theory
Patrick Mitran, Hideki Ochiai, Vahid Tarokh
2004 J jnl
A novel trellis-shaping design with both peak and average power reduction for OFDM systems.
IEEE Trans. Commun.
Hideki Ochiai
2004 B conf
Collaborative beamforming in ad hoc networks.
ITW
Hideki Ochiai, Patrick Mitran, H. Vincent Poor, Vahid Tarokh
2004 — conf
On the performance of bit-interleaved coded DAPSK over Rayleigh fading channels.
ICC
Koji Ishibashi, Hideki Ochiai, Ryuji Kohno
2004 J jnl
Performance Analysis of Multiple-Symbol Differential Detection for OFDM over Both Time- and Frequency-Selective Rayleigh Fading Channels.
EURASIP J. Adv. Signal Process.
Akira Ishii, Hideki Ochiai, Tadashi Fujino
2004 J jnl
Phase-noise effects on turbo trellis-coded over M-ary coherent channels.
IEEE Trans. Commun.
Tadashi Minowa, Hideki Ochiai, Hideki Imai
2003 J jnl
Performance analysis of peak power and band-limited OFDM system with linear scaling.
IEEE Trans. Wirel. Commun.
Hideki Ochiai
2003 B conf
Performance of optimal and suboptimal detection for uncoded OFDM system with deliberate clipping and filtering.
GLOBECOM
Hideki Ochiai
2002 J jnl
Performance analysis of deliberately clipped OFDM signals.
IEEE Trans. Commun.
Hideki Ochiai, Hideki Imai
2001 J jnl
On the distribution of the peak-to-average power ratio in OFDM signals.
IEEE Trans. Commun.
Hideki Ochiai, Hideki Imai
2000 J jnl
MDPSK-OFDM with highly power-efficient block codes for frequency-selective fading channels.
IEEE Trans. Veh. Technol.
Hideki Ochiai, Hideki Imai
2000 B conf
On clipping for peak power reduction of OFDM signals.
GLOBECOM
Hideki Ochiai, Hideki Imai
2000 J jnl
On decoding of block codes with peak-power reduction in OFDM systems.
IEEE Commun. Lett.
Hideki Ochiai, Marc P. C. Fossorier, Hideki Imai
2000 J jnl
Performance of the deliberate clipping with adaptive symbol selection for strictly band-limited OFDM systems.
IEEE J. Sel. Areas Commun.
Hideki Ochiai, Hideki Imai
1999 J jnl
Performance of OFDM-CDMA with Simple Peak Power Reduction.
Eur. Trans. Telecommun.
Hideki Ochiai, Hideki Imai
1998 — conf
OFDM-CDMA with peak power reduction based on the spreading sequences.
ICC
Hideki Ochiai, Hideki Imai