Tomoaki Ohtsuki

645 papers A* 1B 137C 14Misc 7Journal 274Unranked 212
YearRankTypeTitle / Venue / Authors
2026 J jnl
A Comprehensive Survey on Self-Supervised Learning for Specific Emitter Identification.
IEEE Commun. Surv. Tutorials
Chao Liu, Guan Gui, Yu Wang, Tomoaki Ohtsuki, Dusit Niyato, Xuemin Shen
2026 J jnl
Beyond Contact: An Open-Set Biometric Identification System Using Radar-Extracted Heart Signals.
IEEE J. Biomed. Health Informatics
Zelin Xing, Mondher Bouazizi, Tomoaki Ohtsuki
2026 J jnl
Bio-Inspired Dendritic Liquid Neural Network for Robust Near-Field Positioning in B5G/6G.
IEEE Wirel. Commun. Lett.
Qihao Zhu, Yu Wang, Tomoaki Ohtsuki, Shiwen Mao, Dusit Niyato, Guan Gui
2026 J jnl
Clock Asynchronous Traffic Signal Timing for Multi-Intersections Based on a Joint Traffic Prediction and Control Method.
IEEE Trans. Veh. Technol.
Tong Wang, Guangxin Yang, Lu Wang, P. Takis Mathiopoulos, Tomoaki Ohtsuki, Min Ouyang
2026 J jnl
Coverage and Rate Performance Analysis of Multi-RIS-Assisted Dual-Hop mmWave Networks.
IEEE Trans. Wirel. Commun.
Yuwen Cao, Xiaowen Wu, Jiguang He, Tomoaki Ohtsuki, Tony Q. S. Quek
2026 J jnl
Delay-Constrained Sum-Rate Maximization in STAR-RIS V2X Communications Using Lyapunov Framework.
IEEE Access
Lavanya Ganeshkumar, Ramanathan Ramachandran, Tomoaki Ohtsuki
2026 J jnl
Depthwise-Attentive Hierarchical Cross-Modal Knowledge Distillation Network for Rail Surface Defect Detection.
IEEE Internet Things J.
Xu Zhou, Xin Guan, Yu Peng, Zhaogong Zhang, Xiongjie Zhou, Hongyang Chen, Tomoaki Ohtsuki, Zhu Han
2026 J jnl
Dual-Stream Multimodal Fusion With Local-Global Attention for Remote-Sensing Object Detection.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Youxiang Huang, Zhuo Wang, Tiantian Tang, Tomoaki Ohtsuki, Guan Gui
2026 J jnl
Generative Augmented Cascade Broad Learning for Lightweight Multi-Band Spectrum Prediction.
IEEE Trans. Cogn. Commun. Netw.
Niancong Ji, Tiancheng Liu, Yibin Zhang, Qin Wang, Tomoaki Ohtsuki, Guan Gui, Chau Yuen, Fumiyuki Adachi
2026 J jnl
Generative Model-Aided Continual Learning for CSI Feedback in FDD mMIMO-OFDM Systems.
IEEE Signal Process. Lett.
Guijun Liu, Yuwen Cao, Tomoaki Ohtsuki, Jiguang He, Shahid Mumtaz
2026 J jnl
Handover Optimization for UAV-Assisted LEO Satellite Networks Based on IPPO and Three-Sided Matching Theory.
IEEE Internet Things J.
Feng Yang, Meng Li, Kan Wang, Pengbo Si, Tomoaki Ohtsuki, F. Richard Yu
2026 J jnl
Integrated Deployment and Resource Allocation in Multilayer UAV-Enabled NOMA Wireless Caching Networks.
IEEE Internet Things J.
Yue Yin, Mondher Bouazizi, Bintao Hu, Guan Gui, Tomoaki Ohtsuki
2026 J jnl
Interpretability-Oriented UAV Recognition via Frequency-Aware Networks: A Coarse-to-Fine Framework for Enhanced Accuracy and Insight.
IEEE Trans. Inf. Forensics Secur.
Gejiacheng Lu, Shufei Wang, Tomoaki Ohtsuki, Hikmet Sari, Guan Gui
2026 J jnl
LRGD: Low-Rank Guided Diffusion for Robust Image Transmission in Semantic Communication.
IEEE Trans. Cogn. Commun. Netw.
Zengrui Zhao, Celimuge Wu, Yangfei Lin, Lei Zhong, Yusheng Ji, Tomoaki Ohtsuki, Mehdi Bennis
2026 J jnl
Lightweight Regularized Network for Multilabel Indoor HAR in Multiuser CSI Environments With Uncertainty Quantification.
IEEE Internet Things J.
Fucheng Miao, Chenchen Liu, Zhiyi Lu, Lin Shan, Osamu Takyu, Tomoaki Ohtsuki, Guan Gui
2026 J jnl
Long-Term Sum-Rate Maximization in Irregular RIS-Aided V2X Communications Using Lyapunov Optimization.
IEEE Open J. Commun. Soc.
Lavanya Ganeshkumar, Ramanathan Ramachandran, Tomoaki Ohtsuki
2026 J jnl
Mobile Edge Computing Based Intelligent Charging Strategy for Electric Vehicles in Cyber Physical Energy System.
IEEE Trans. Veh. Technol.
Gang Pan, Xin Guan, Ning Wang, Yongnan Liu, Huayang Wu, Hongyang Chen, Tomoaki Ohtsuki, Zhu Han
2026 J jnl
MuECNet: A Lightweight Multiuser Enhanced Convolutional Architecture for Robust CSI-Based Human Activity Recognition in Real-World IoT Environments.
IEEE Internet Things J.
Fucheng Miao, Osamu Takyu, Lin Shan, Yue Yin, Ou Zhao, Tomoaki Ohtsuki, Guan Gui
2026 J jnl
Neural Approaches to Wi-Fi CSI-Based Human Activity Recognition: Architectures and Generalization.
IEEE Trans. Cogn. Commun. Netw.
Zhengran He, Yue Yin, Mondher Bouazizi, Tomoaki Ohtsuki, Dusit Niyato, Guan Gui
2026 J jnl
Optimal Carbon Emission Reduction Modeling Considering Energy Consumer Satisfaction in Cyber-Physical Energy System.
IEEE Internet Things J.
Chenglong Wang, Xin Guan, Ning Wang, Hongyang Chen, Tomoaki Ohtsuki, Zhu Han
2026 J jnl
PCFEx: Point Cloud Feature Extraction for Graph Neural Networks.
CoRR
Abdullah Al Masud, Xintong Shi, Mondher Bouazizi, Tomoaki Ohtsuki
2026 J jnl
PCFEx: Point Cloud Feature Extraction for Graph Neural Networks.
IEEE Internet Things J.
Abdullah Al Masud, Xintong Shi, Mondher Bouazizi, Tomoaki Ohtsuki
2026 Misc conf
Robust HAR with CSI Tokens: Single-Direction Prompt Guidance on a Frozen LLM.
ICNC
Fucheng Miao, Osamu Takyu, Lin Shan, Ou Zhao, Tomoaki Ohtsuki, Guan Gui, Fumiyuki Adachi
2026 J jnl
SAR image change detection based on saliency region guidance and SIFT keypoint extraction.
Pattern Recognit.
Lu Wang, Bailiang Sun, Chunhui Zhao, Suleman Mazhar, Tomoaki Ohtsuki, P. Takis Mathiopoulos, Fumiyuki Adachi
2026 J jnl
Secrecy Rate Enhancement for Active RIS-Assisted MISO Wiretap Systems: A QoS-Aware Optimization Approach.
IEEE Wirel. Commun. Lett.
Wei Li, Yuwen Cao, Mondher Bouazizi, Tomoaki Ohtsuki, Shahid Mumtaz
2026 J jnl
Self-Supervised Federated Learning for UAV-IoT Systems With Dynamic Non-IID Data via Model Correlation.
IEEE Internet Things J.
Zhaojie Li, Mondher Bouazizi, Tomoaki Ohtsuki, Guan Gui
2026 J jnl
Sum-Rate Maximization in Irregular STAR-RIS-Driven V2X Systems.
IEEE Wirel. Commun. Lett.
Lavanya Ganeshkumar, Ramanathan Ramachandran, Tomoaki Ohtsuki
2026 J jnl
Synthetic aperture radar image change detection based on multi-scale deep adaptive convolution and spatial-frequency dual-domain feature extraction.
Expert Syst. Appl.
Lu Wang, Jiahui E, Chunhui Zhao, Weiwei Gao, Panayiotis Takis Mathiopoulos, Tomoaki Ohtsuki
2026 Misc conf
Task-Aligned Evaluation of Compressed Semantics for Diffusion-Based Image Reconstruction.
ICNC
Mondher Bouazizi, Yue Yin, Tomoaki Ohtsuki
2026 J jnl
Toward Robust Radio Frequency Fingerprint Identification: A Federated Learning Framework With Feature Alignment.
IEEE Trans. Inf. Forensics Secur.
Yuteng Wang, Zhenxin Cai, Tiantian Tang, Tomoaki Ohtsuki, Guan Gui
2026 A* conf
Yours or Mine? Overwriting Attacks Against Neural Audio Watermarking.
AAAI
Lingfeng Yao, Chenpei Huang, Shengyao Wang, Junpei Xue, Hanqing Guo, Jiang Liu, Phone Lin, Tomoaki Ohtsuki, Miao Pan
2026 J jnl
mmGAT: Pose Estimation by Graph Attention with Mutual Features from mmWave Radar Point Cloud.
CoRR
Abdullah Al Masud, Xintong Shi, Mondher Bouazizi, Tomoaki Ohtsuki
2025 J jnl
A Clustering-Aided Optimization Algorithm for Antenna Beamforming in Multicell HAPS Systems.
IEEE Internet Things J.
Wei Dai, Siyuan Yang, Yue Yin, Mondher Bouazizi, Tomoaki Ohtsuki
2025 J jnl
A Cross-Subject Transfer Learning Method for CSI-Based Wireless Sensing.
IEEE Internet Things J.
Zhengran He, Mondher Bouazizi, Guan Gui, Tomoaki Ohtsuki
2025 B conf
A Cross-scenario Wireless Sensing Method Based on Incremental Learning and EWCLoss Using WiFi CSI.
GLOBECOM
Zhengran He, Mondher Bouazizi, Yue Yin, Tomoaki Ohtsuki
2025 J jnl
A Deep Transfer Learning-Based Low-Overhead Beam Prediction in Vehicle Communications.
IEEE Wirel. Commun. Lett.
Zhiqiang Xiao, Yuwen Cao, Mondher Bouazizi, Tomoaki Ohtsuki, Shahid Mumtaz
2025 J jnl
A Deep Transfer Learning-Based Low-overhead Beam Prediction in Vehicle Communications.
CoRR
Zhiqiang Xiao, Yuwen Cao, Mondher Bouazizi, Tomoaki Ohtsuki, Shahid Mumtaz
2025 — conf
A Novel MIMO FMCW Radar-Based Approach for Heart Rate Estimation Using Positional Feature Selection.
ICC
Sara Nakatani, Mondher Bouazizi, Tomoaki Ohtsuki
2025 — conf
A Plug-and-Play Module for Enhancing Fault-Tolerant Distributed Inference Based on Gaussian Dropout.
ICC
Zhangcheng Hou, Tomoaki Ohtsuki
2025 J jnl
A Privacy-Preserving Federated Learning Method with Homomorphic Encryption in Omics Data.
CoRR
Yusaku Negoya, Feifei Cui, Zilong Zhang, Miao Pan, Tomoaki Ohtsuki, Aohan Li
2025 J jnl
A Rapid SAR Image Simulation Method for Ship Wakes Coupled With Sea Waves Using Fluid Velocity Potential.
IEEE Signal Process. Lett.
Chunhui Zhao, Kaiyu Li, Lu Wang, Tomoaki Ohtsuki, Fumiyuki Adachi
2025 J jnl
An Ensemble Learning-Based Fault Detection Method for Vehicular Ad Hoc Networks in Intelligent Transportation Systems.
IEEE Trans. Veh. Technol.
Jiaxi Liu, Haitao Zhao, Peiyi Han, Guan Gui, Tomoaki Ohtsuki, Hikmet Sari, Fumiyuki Adachi
2025 J jnl
Avoiding Shortcuts: Enhancing Channel-Robust Specific Emitter Identification via Single-Source Domain Generalization.
IEEE Trans. Wirel. Commun.
Yu Wang, Tomoaki Ohtsuki, Zhi Sun, Dusit Niyato, Xianbin Wang, Guan Gui
2025 — conf
Beamforming and Trajectory Planning Method Under Fixed-Footprint Conditions for Multi-HAPS Systems.
ICC
Tatsuya Mori, Tomoaki Ohtsuki, Miao Pan, Zhu Han
2025 J jnl
Behavioral Modeling of Power Amplifiers Leveraging Multi-Channel Convolutional Long Short-Term Deep Neural Network.
IEEE Trans. Veh. Technol.
Ruiheng Li, Zhisheng Yao, Yu Wang, Yun Lin, Tomoaki Ohtsuki, Guan Gui, Hikmet Sari
2025 J jnl
Black-Box Edge AI Model Selection with Conformal Latency and Accuracy Guarantees.
CoRR
Anders E. Kalør, Tomoaki Ohtsuki
2025 B conf
Channel-Robust Few-Shot Specific Emitter Identification Using Meta-Feature Augmentation.
WCNC
Xue Fu, Francesca Meneghello, Yu Wang, Tomoaki Ohtsuki, Chau Yuen, Guan Gui, Hikmet Sari
2025 — conf
Correlation Analysis of Objective Features and Online Meeting Quality.
HCI (40)
Ryosuke Oba, Chuheng Zheng, Wataru Akahori, Masanori Yamada, Miki Yokoyama, Masakuni Ishii, Tomoaki Ohtsuki
2025 J jnl
Coverage and Rate Performance Analysis of Multi-RIS-Assisted Dual-Hop mmWave Networks.
CoRR
Yuwen Cao, Xiaowen Wu, Jiguang He, Tomoaki Ohtsuki, Tony Q. S. Quek
2025 J jnl
DFusion-SLAM: A Lightweight Semantic Fusion Framework for Robust Visual SLAM in Dynamic Environments.
IEEE Internet Things J.
Jin Sun, Haowei Huang, Xue Shen, Haitao Zhao, Yue Yin, Tomoaki Ohtsuki, Guan Gui
2025 J jnl
Deep Learning-Based Channel Estimation to Mitigate Channel Aging in Massive MIMO With Pilot Contamination.
IEEE Access
Hiroki Hirose, Siyuan Yang, Tomoaki Ohtsuki, Mondher Bouazizi
2025 J jnl
Dementia and MCI Detection Based on Comprehensive Facial Expression Analysis From Videos During Conversation.
IEEE J. Biomed. Health Informatics
Taichi Okunishi, Chuheng Zheng, Mondher Bouazizi, Tomoaki Ohtsuki, Momoko Kitazawa, Toshiro Horigome, Taishiro Kishimoto
2025 J jnl
Distributed Gossip-GAN for Low-Overhead CSI Feedback Training in FDD mMIMO-OFDM Systems.
IEEE Internet Things J.
Yuwen Cao, Guijun Liu, Tomoaki Ohtsuki, Howard H. Yang, Tony Q. S. Quek
2025 J jnl
Distributed Gossip-GAN for Low-overhead CSI Feedback Training in FDD mMIMO-OFDM Systems.
CoRR
Yuwen Cao, Guijun Liu, Tomoaki Ohtsuki, Howard H. Yang, Tony Q. S. Quek
2025 — conf
Efficient WiFi Device Recognition via Blueprint Separable Residual Network with SE Module.
VTC2025-Fall
Tiancheng Liu, Zhenxin Cai, Qin Wang, Tomoaki Ohtsuki, Hikmet Sari, Guan Gui
2025 B conf
Energy Efficient Transmission Parameters Selection Method Using Reinforcement Learning in Distributed LoRa Networks.
WCNC
Ryotai Airiyoshi, Mikio Hasegawa, Tomoaki Ohtsuki, Aohan Li
2025 — conf
Enhancing Cross-Domain Robustness in Wi-Fi-Based Human Activity Recognition via Attention-Driven Deep Learning.
VTC2025-Fall
Fucheng Miao, Osamu Takyu, Lin Shan, Tomoaki Ohtsuki, Guan Gui
2025 — conf
Enhancing Dementia Detection: Augmenting the Face Mesh.
ISBI
Chuheng Zheng, Mondher Bouazizi, Tomoaki Ohtsuki, Momoko Kitazawa, Toshiro Horigome, Taishiro Kishimoto
2025 J jnl
Face Mesh for Dementia Detection: Evaluating Data Augmentation in Deep Learning and Traditional Machine Learning.
IEEE Access
Chuheng Zheng, Mondher Bouazizi, Taichi Okunishi, Tomoaki Ohtsuki, Momoko Kitazawa, Toshiro Horigome, Taishiro Kishimoto
2025 J jnl
Generative Model-Aided Continual Learning for CSI Feedback in FDD mMIMO-OFDM Systems.
CoRR
Guijun Liu, Yuwen Cao, Tomoaki Ohtsuki, Jiguang He, Shahid Mumtaz
2025 J jnl
Heterogeneous multi-agent deep reinforcement learning based low carbon emission task offloading in mobile edge computing.
Comput. Commun.
Xiongjie Zhou, Xin Guan, Di Sun, Xiaoguang Zhang, Zhaogong Zhang, Tomoaki Ohtsuki
2025 B conf
Human Activity Recognition Using Infrared Array Sensors: A Multi-Modal Approach.
GLOBECOM
Mondher Bouazizi, Saqib Mehmood, Yue Yin, Tomoaki Ohtsuki
2025 J jnl
Improved Deep Learning Methods for Beamforming in Secure SWIPT Networks.
IEEE Trans. Green Commun. Netw.
Vieeralingaam Ganapathy, Ramanathan Ramachandran, Tomoaki Ohtsuki
2025 J jnl
Indoor Human Activity Recognition Using Multiple Dynamic Nonlinear Mapping Applied to 3-D LiDAR-Collected Data.
IEEE Internet Things J.
Xiang Meng, Mondher Bouazizi, Zhaojie Li, Tomoaki Ohtsuki
2025 J jnl
Joint Angle-Based User Selection and Multiagent Reinforcement Learning for Dynamic Beamforming in HAPS-Assisted IoT Vehicular Networks.
IEEE Internet Things J.
Siyuan Yang, Tomoaki Ohtsuki, Xueqin Jiang
2025 J jnl
Large Model Empowered Task Offloading for Multi- Access Edge Computing in the Internet of Vehicles.
IEEE Trans. Veh. Technol.
Xiongjie Zhou, Xin Guan, Ning Wang, Hongyang Chen, Tomoaki Ohtsuki, Yan Zhang, Zhu Han
2025 J jnl
Lightweight CSI-Based Human Activity Recognition for Multitask IoT Applications.
IEEE Internet Things J.
Chenchen Liu, Fucheng Miao, Yiting Chen, Jiangbo Wu, Hong Wan, Tiantian Tang, Tomoaki Ohtsuki, Guan Gui, Hikmet Sari
2025 J jnl
Loss-Adapter: Addressing Network Packet Loss in Distributed Inference for Lossy IoT Environments.
IEEE Internet Things J.
Zhangcheng Hou, Tomoaki Ohtsuki
2025 J jnl
Malware Traffic Classification via Expandable Class Incremental Learning With Architecture Search.
IEEE Trans. Inf. Forensics Secur.
Xixi Zhang, Yu Wang, Tomoaki Ohtsuki, Guan Gui, Chau Yuen, Marco Di Renzo, Hikmet Sari
2025 — conf
Max-Min Strategy for Handover in LEO Based Non-Terrestrial Networks.
VTC2025-Spring
Riku Nagase, Siyuan Yang, Tomoaki Ohtsuki
2025 — conf
Memristor-Based Meta-Learning for Fast mmWave Beam Prediction in Non-Stationary Environments.
ICC
Yuwen Cao, Wenqin Lu, Tomoaki Ohtsuki, Setareh Maghsudi, Xueqin Jiang, Charalampos C. Tsimenidis
2025 J jnl
Memristor-Based Meta-Learning for Fast mmWave Beam Prediction in Non-Stationary Environments.
CoRR
Yuwen Cao, Wenqin Lu, Tomoaki Ohtsuki, Setareh Maghsudi, Xueqin Jiang, Charalampos C. Tsimenidis
2025 J jnl
MobiLLM: Enabling LLM Fine-Tuning on the Mobile Device via Server Assisted Side Tuning.
CoRR
Liang Li, Xingke Yang, Wen Wu, Hao Wang, Tomoaki Ohtsuki, Xin Fu, Miao Pan, Xuemin Shen
2025 J jnl
MobiLLM: Enabling On-Device Fine-Tuning of Billion-Sized LLMs via Server-Assisted Side-Tuning.
IEEE J. Sel. Top. Signal Process.
Liang Li, Xingke Yang, Wen Wu, Hao Wang, Tomoaki Ohtsuki, Xin Fu, Miao Pan, Xuemin Shen
2025 J jnl
NoisyNet-DDQN-Based Sequential Handoff Algorithm for UAV Networks With End-to-End Network Slicing.
IEEE Trans. Veh. Technol.
Feng Yang, Meng Li, Tomoaki Ohtsuki, Wenjun Wu, Pengbo Si, Teng Sun
2025 — conf
Nullforming Strategy Based on User Distribution for Spectrum Sharing Between High-Altitude Platforms and Terrestrial Networks.
VTC2025-Fall
Kenzo Fontaine, Anders E. Kalør, Tomoaki Ohtsuki, Tsutomu Ishikawa
2025 J jnl
PAE MobiLLM: Privacy-Aware and Efficient LLM Fine-Tuning on the Mobile Device via Additive Side-Tuning.
CoRR
Xingke Yang, Liang Li, Zhiyi Wan, Sicong Li, Hao Wang, Xiaoqi Qin, Jiang Liu, Tomoaki Ohtsuki, Xin Fu, Miao Pan
2025 B conf
Prototype-Based Clustered Federated Learning: An Efficient Framework for Non-IID Data.
GLOBECOM
Jing Luo, Zhaojie Li, Mondher Bouazizi, Tomoaki Ohtsuki
2025 J jnl
Reinforcement Learning With Clustering Optimization for Antenna Parameter Adjustment in HAPS Networks.
IEEE Access
Mondher Bouazizi, Siyuan Yang, Zhaojie Li, Yue Yin, Tomoaki Ohtsuki
2025 B conf
Reliable Real-Time Edge AI via Conformal Model Selection.
GLOBECOM
Anders E. Kalør, Tomoaki Ohtsuki
2025 J jnl
Robust Cross-Scenario WiFi Wireless Sensing Using Incremental Learning and Elastic Weight Consolidation Loss.
IEEE Internet Things J.
Zhengran He, Mondher Bouazizi, Yue Yin, Guan Gui, Tomoaki Ohtsuki
2025 J jnl
SAR Images Change Detection Based on Attention Mechanism-Convolutional Wavelet Neural Network.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Jiahui E, Lu Wang, Chunhui Zhao, P. Takis Mathiopoulos, Tomoaki Ohtsuki, Fumiyuki Adachi
2025 J jnl
Schwarz Information Criterion Aided Multi-Armed Bandit for Decentralized Resource Allocation in Dynamic LoRa Networks.
CoRR
Ryotai Ariyoshi, Aohan Li, Mikio Hasegawa, Tomoaki Ohtsuki, Miao Pan, Zhu Han
2025 J jnl
Self-Supervised Learning Enhanced Channel Estimation in Massive MIMO System With Low-Resolution ADCs.
IEEE Wirel. Commun. Lett.
Guijun Liu, Yuwen Cao, Tomoaki Ohtsuki, Tony Q. S. Quek
2025 — conf
Semantic Communication in Vehicular Networks: A Multi-Modal Approach for Faithful Image Transmission.
VTC2025-Spring
Mondher Bouazizi, Riku Nagase, Yue Yin, Siyuan Yang, Tomoaki Ohtsuki
2025 Misc conf
Source Channel Model Selection for Downlink CSI Feedback Estimation using Transfer Learning in Massive MIMO System.
ICNC
Liu Jingyu, Mondher Bouazizi, Tomoaki Ohtsuki
2025 — conf
Stress Detection Through Eye Tracking Incorporating Custom Lasso Stress Index.
ICC
Xiang Meng, Mondher Bouazizi, Tomoaki Ohtsuki
2025 J jnl
Who's Wearing? Ear Canal Biometric Key Extraction for User Authentication on Wireless Earbuds.
CoRR
Chenpei Huang, Lingfeng Yao, Hui Zhong, Kyu In Lee, Lan Zhang, Xiaoyong Yuan, Tomoaki Ohtsuki, Miao Pan
2025 J jnl
Wi-Fi Sensing Techniques for Human Activity Recognition: Brief Survey, Potential Challenges, and Research Directions.
ACM Comput. Surv.
Fucheng Miao, Youxiang Huang, Zhiyi Lu, Tomoaki Ohtsuki, Guan Gui, Hikmet Sari
2025 J jnl
Yours or Mine? Overwriting Attacks against Neural Audio Watermarking.
CoRR
Lingfeng Yao, Chenpei Huang, Shengyao Wang, Junpei Xue, Hanqing Guo, Jiang Liu, Phone Lin, Tomoaki Ohtsuki, Miao Pan
2024 — conf
3D-LiDAR-Based Fall Detection by Dynamic Non-Linear Mapping with LSTM.
ICC
Xiang Meng, Mondher Bouazizi, Tomoaki Ohtsuki
2024 B conf
A CSI-based Cross-subject Transfer Learning Method Using Network Freezing.
GLOBECOM
Zhengran He, Mondher Bouazizi, Tomoaki Ohtsuki
2024 J jnl
A Comparative Study of Methods of Person Identification Using Radar-Extracted Heartbeat Signals.
IEEE Access
Kai Liu, Mondher Bouazizi, Zelin Xing, Tomoaki Ohtsuki
2024 — conf
A Low-Complexity Clustering-Aided DQN Method for Dynamic Antenna Control in HAPS.
VTC Spring
Mondher Bouazizi, Siyuan Yang, Tomoaki Ohtsuki
2024 J jnl
Activity Detection in Indoor Environments Using Multiple 2D Lidars.
Sensors
Mondher Bouazizi, Alejandro Lorite Mora, Kevin Feghoul, Tomoaki Ohtsuki
2024 J jnl
Advancing Malware Detection in Network Traffic With Self-Paced Class Incremental Learning.
IEEE Internet Things J.
Xiaohu Xu, Xi-Xi Zhang, Qianyun Zhang, Yu Wang, Bamidele Adebisi, Tomoaki Ohtsuki, Hikmet Sari, Guan Gui
2024 — conf
Age-Based Federated Learning Approach to In-Network Caching: An Online Scheduling Policy.
ICC
Yuwen Cao, Setareh Maghsudi, Tomoaki Ohtsuki
2024 — conf
Beamforming Design using UE Positions and 3D Terrain-Building in HAPS System.
VTC Fall
Zhaojie Li, Siyuan Yang, Yue Yin, Mondher Bouazizi, Tomoaki Ohtsuki
2024 C conf
Camera-Based Stress Detection Using Face-Related and Emotion-Related Features.
HealthCom
Ryota Ogasawara, Mondher Bouazizi, Tomoaki Ohtsuki
2024 C conf
Chirp Correction and Phase Accumulation-Linear Interpolation-Assisted ICEEMDAN-Based Heart Rate Estimation from MIMO FMCW Radar.
HealthCom
Miiru Mutsukawa, Xintong Shi, Tomoaki Ohtsuki
2024 — conf
Coverage and Rate Performance for Distributed Multi-RIS-Assisted mmWave Communications.
VTC Fall
Yuwen Cao, Xiaowen Wu, Jiguang He, Tomoaki Ohtsuki
2024 — conf
Cramér-Rao Lower Bound and Fairness Optimization in STAR-RIS Assisted ISAC Systems.
VTC Fall
Ruidong Wang, Yuwen Cao, Tomoaki Ohtsuki, Jiguang He
2024 Misc conf
DTL-Based CSI Feedback Combined with Continual Learning in FDD Massive MIMO Systems.
ICNC
Mayuko Inoue, Tomoaki Ohtsuki, Mondher Bouazizi
2024 J jnl
Deep Learning Methods for Secure IoT SWIPT Networks.
IEEE Internet Things J.
Vieeralingaam Ganapathy, Ramanathan Ramachandran, Tomoaki Ohtsuki
2024 — conf
Deep Learning-based Open-set Person Identification using Radar Extracted Cardiac Signals.
EMBC
Zelin Xing, Mondher Bouazizi, Tomoaki Ohtsuki
2024 J jnl
Deep Reinforcement Learning Based Data-Driven Mapping Mechanism of Digital Twin for Internet of Energy.
IEEE Trans. Netw. Sci. Eng.
Siyu Xu, Xin Guan, Yu Peng, Yang Liu, Chen Cui, Hongyang Chen, Tomoaki Ohtsuki, Zhu Han
2024 — conf
Deep Sub-Image Sampling Based Defense Against Spatial-Domain Adversarial Steganography.
ICASSP Workshops
Xinyu Huang, Yuwen Cao, Tomoaki Ohtsuki
2024 J jnl
Dementia Detection from Speech: What If Language Models Are Not the Answer?
Inf.
Mondher Bouazizi, Chuheng Zheng, Siyuan Yang, Tomoaki Ohtsuki
2024 J jnl
Differential Privacy Preserving Distributed Quantum Computing.
CoRR
Hui Zhong, Keyi Ju, Jiachen Shen, Xinyue Zhang, Xiaoqi Qin, Tomoaki Ohtsuki, Miao Pan, Zhu Han
2024 — conf
ECGDiff: Conditional Diffusion Model for ECG Reconstruction from Doppler Signals.
ICC
Kevin Feghoul, Mondher Bouazizi, Rayan Feghoul, Tomoaki Ohtsuki
2024 J jnl
Energy Efficient Transmission Parameters Selection Method Using Reinforcement Learning in Distributed LoRa Networks.
CoRR
Ryotai Airiyoshi, Mikio Hasegawa, Tomoaki Ohtsuki, Aohan Li
2024 J jnl
Enhanced Few-Shot Malware Traffic Classification via Integrating Knowledge Transfer With Neural Architecture Search.
IEEE Trans. Inf. Forensics Secur.
Xixi Zhang, Qin Wang, Maoyang Qin, Yu Wang, Tomoaki Ohtsuki, Bamidele Adebisi, Hikmet Sari, Guan Gui
2024 — conf
Enhanced Resource Allocation in Vehicular Networks via Multi-Agent Reinforcement Learning.
VTC Spring
Yu Zhang, Shufei Wang, Minyu Hua, Yibin Zhang, Yu Wang, Tomoaki Ohtsuki, Hikmet Sari, Guan Gui
2024 — conf
Enhanced User Clustering and Pairing Scheme for NOMA-Aided UAV Networks.
VTC Fall
Yue Yin, Mondher Bouazizi, Siyuan Yang, Tomoaki Ohtsuki
2024 J jnl
HAPS Cell Design Method for Coverage Extension Considering Coexistence on Terrestrial Mobile Networks.
IEEE Access
Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate, Tomoaki Ohtsuki
2024 — conf
Hypersphere Projection-Guided Radio Frequency Fingerprinting Authentication in the Open World.
VTC Spring
Xue Fu, Yu Wang, Yun Lin, Qianyun Zhang, Guan Gui, Tomoaki Ohtsuki, Hikmet Sari
2024 J jnl
Joint intelligent optimizing economic dispatch and electric vehicles charging in 5G vehicular networks.
Comput. Networks
Gang Pan, Xin Guan, Haiyang Jiang, Yongnan Liu, Huayang Wu, Hongyang Chen, Tomoaki Ohtsuki, Zhu Han
2024 — conf
Low Complexity CSI Feedback Method Using Reformer.
VTC Fall
Yuki Saito, Mondher Bouazizi, Tomoaki Ohtsuki
2024 B conf
Massive MIMO Belief Propagation Detection Using DIP with DNN-Trained Scaling Factor.
WCNC
Junta Tachibana, Mondher Bouazizi, Tomoaki Ohtsuki
2024 J jnl
Mobility-Aware Routing and Caching in Small Cell Networks Using Federated Learning.
IEEE Trans. Commun.
Yuwen Cao, Setareh Maghsudi, Tomoaki Ohtsuki, Tony Q. S. Quek
2024 — conf
Multi-Dimensional Representation for Semantic Communication: A New Horizon for Customized Visualization of Shared Knowledge.
VTC Fall
Mondher Bouazizi, Tomoaki Ohtsuki
2024 — conf
Multi-UAV-Assisted Emergency Caching Networks: UAV Location and NOMA Power Optimization.
VTC Fall
Yue Yin, Tomoaki Ohtsuki
2024 J jnl
Online Trajectory Optimization for Energy-Efficient Cellular-Connected UAVs With Map Reconstruction.
IEEE Trans. Veh. Technol.
Haitao Zhao, Qing Hao, Hao Huang, Guan Gui, Tomoaki Ohtsuki, Hikmet Sari, Fumiyuki Adachi
2024 J jnl
People Identification in Private Car Using 3D LiDAR With Generative Image Inpainting and YOLOv5.
IEEE Access
Weirong Shao, Mondher Bouazizi, Xiang Meng, Tomoaki Ohtsuki
2024 J jnl
Regularized Multi-Label Learning Empowered Joint Activity Recognition and Indoor Localization With CSI Fingerprints.
IEEE Trans. Wirel. Commun.
Yu Wang, Haitao Zhao, Tomoaki Ohtsuki, Hikmet Sari, Guan Gui
2024 C conf
Remote Inter-beat Interval Estimation: A Signal Reconstruction Approach with Multi-channel Input and Channel-Wise Attention Mechanism.
HealthCom
Shengze Wang, Mondher Bouazizi, Tomoaki Ohtsuki
2024 B conf
Rough-to-Fine Model-based Non-contact Heart Rate Estimation using MIMO FMCW Radar.
GLOBECOM
Xintong Shi, Mondher Bouazizi, Tomoaki Ohtsuki
2024 J jnl
SAR Image Wake Detection Based on Pseudo-Siamese Structure and Multidomain Feature Fusion.
IEEE Geosci. Remote. Sens. Lett.
Chunhui Zhao, Haodong Liu, Lu Wang, Tomoaki Ohtsuki, Fumiyuki Adachi
2024 J jnl
Self-Supervised Learning Malware Traffic Classification Based on Masked Autoencoder.
IEEE Internet Things J.
Ke Xu, Xixi Zhang, Yu Wang, Tomoaki Ohtsuki, Bamidele Adebisi, Hikmet Sari, Guan Gui
2024 — conf
Source CSI Dataset for Multi-Task CSI Feedback.
CCNC
Mayuko Inoue, Tomoaki Ohtsuki
2024 J jnl
Specific Emitter Identification Using Adaptive Signal Feature Embedded Knowledge Graph.
IEEE Internet Things J.
Minyu Hua, Yibin Zhang, Jinlong Sun, Bamidele Adebisi, Tomoaki Ohtsuki, Guan Gui, Hsiao-Chun Wu, Hikmet Sari
2024 J jnl
Time-Efficient Neural-Network-Based Dynamic Area Optimization Algorithm for High-Altitude Platform Station Mobile Communications.
Future Internet
Wataru Takabatake, Yohei Shibata, Kenji Hoshino, Tomoaki Ohtsuki
2024 J jnl
Toward Building Trust in Machine Learning Models: Quantifying the Explainability by SHAP and References to Human Strategy.
IEEE Access
Zhaopeng Li, Mondher Bouazizi, Tomoaki Ohtsuki, Masakuni Ishii, Eri Nakahara
2024 J jnl
Toward Robust Open-Set Radiofrequency Signal Identification in Internet of Things Using Hypersphere Manifold Embedding.
IEEE Internet Things J.
Xue Fu, Yu Wang, Yun Lin, Tomoaki Ohtsuki, Guan Gui, Hikmet Sari
2024 — conf
mmGAT: Pose Estimation by Graph Attention with Mutual Features from mmWave Radar Point Cloud.
ICC
Abdullah Al Masud, Xintong Shi, Mondher Bouazizi, Tomoaki Ohtsuki
2023 J jnl
A 2D-Lidar-Equipped Unmanned Robot-Based Approach for Indoor Human Activity Detection.
Sensors
Mondher Bouazizi, Alejandro Lorite Mora, Tomoaki Ohtsuki
2023 — conf
A Few-Shot Malware Traffic Classification Method Using Knowledge Transfer Learning.
ICCT
Maoyang Qin, Xixi Zhang, Yu Wang, Tomoaki Ohtsuki, Hikmet Sari, Guan Gui
2023 B conf
A GAN-Based Approach for ECG Reconstruction from Doppler Sensor Signals.
GLOBECOM
Mondher Bouazizi, Danyuan Yu, Kevin Feghoul, Tomoaki Ohtsuki
2023 B conf
A Novel Approach for Activity, Fall and Gait Detection Using Multiple 2D LiDARs.
GLOBECOM
Mondher Bouazizi, Kevin Feghoul, Alejandro Lorite Mora, Tomoaki Ohtsuki
2023 J jnl
A Reinforcement Learning-Based Fire Warning and Suppression System Using Unmanned Aerial Vehicles.
IEEE Trans. Instrum. Meas.
Fereidoun H. Panahi, Farzad H. Panahi, Tomoaki Ohtsuki
2023 J jnl
A Robust Approach Assisted by Signal Quality Assessment for Fetal Heart Rate Estimation from Doppler Ultrasound Signal.
Sensors
Xintong Shi, Natsuho Niida, Kohei Yamamoto, Tomoaki Ohtsuki, Yutaka Matsui, Kazunari Owada
2023 — conf
A Robust Multi-Frame mmWave Radar Point Cloud-Based Human Skeleton Estimation Approach with Point Cloud Reliability Assessment.
SENSORS
Xintong Shi, Tomoaki Ohtsuki
2023 C conf
Adversarial Learning Aided Malicious Network Traffic Detection Based on EDE Framework.
ICCC
Lanping Zhang, Yu Wang, Tomoaki Ohtsuki, Bamidele Adebisi, Hsiao-Chun Wu, Guan Gui
2023 J jnl
An Intelligent Path Planning Mechanism for Firefighting in Wireless Sensor and Actor Networks.
IEEE Internet Things J.
Farzad H. Panahi, Fereidoun H. Panahi, Tomoaki Ohtsuki
2023 C conf
An LSTM-Based Approach for Fall Detection Using Accelerometer-Collected Data.
APCC
Yoshiya Uotani, Kohei Yamamoto, Chen Ye, Mondher Bouazizi, Tomoaki Ohtsuki
2023 — conf
Arterial Blood Pressure Waveform Estimation from Photoplethysmogram Under Inter-Subject Paradigm Using Subject-Distinguishable Dataset by U-Net and Domain Adversarial Training.
ICC
Rikuto Yoshizawa, Kohei Yamamoto, Tomoaki Ohtsuki
2023 — conf
Automatic Modulation Classification Based on Decentralized Learning and Model Averaging.
INFOCOM Workshops
Yunhe Xu, Min Ma, Xue Fu, Yu Wang, Guan Gui, Tomoaki Ohtsuki
2023 B conf
Communication Efficient Heterogeneous Federated Learning based on Model Similarity.
WCNC
Zhaojie Li, Tomoaki Ohtsuki, Guan Gui
2023 J jnl
DRL based low carbon economic dispatch by considering power transmission safety limitations in internet of energy.
Internet Things
Renjie Zhu, Xin Guan, Jun Zheng, Ning Wang, Haiyang Jiang, Chen Cui, Tomoaki Ohtsuki
2023 J jnl
Deep Learning and Image Super-Resolution-Guided Beam and Power Allocation for mmWave Networks.
CoRR
Yuwen Cao, Tomoaki Ohtsuki, Setareh Maghsudi, Tony Q. S. Quek
2023 J jnl
Deep Learning and Image Super-Resolution-Guided Beam and Power Allocation for mmWave Networks.
IEEE Trans. Veh. Technol.
Yuwen Cao, Tomoaki Ohtsuki, Setareh Maghsudi, Tony Q. S. Quek
2023 — conf
Deep Reinforcement Learning Aided Online Trajectory Optimization of Cellular-Connected UAVs with Offline Map Reconstruction.
VTC2023-Spring
Qing Hao, Haitao Zhao, Hao Huang, Guan Gui, Tomoaki Ohtsuki, Fumiyuki Adachi
2023 J jnl
Deep Reinforcement Learning Evolution Algorithm for Dynamic Antenna Control in Multi-Cell Configuration HAPS System.
Future Internet
Siyuan Yang, Mondher Bouazizi, Tomoaki Ohtsuki, Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate
2023 B conf
Depression Detection via User Behavior and Tweets.
GLOBECOM
Nianyi Ji, Mondher Bouazizi, Tomoaki Ohtsuki
2023 J jnl
Distributed Feature Selection Considering Data Pricing Based on Edge Computing in Electricity Spot Markets.
IEEE Internet Things J.
Yufei Hu, Xin Guan, Benran Hu, Yongnan Liu, Hongyang Chen, Tomoaki Ohtsuki
2023 — conf
Dynamic Antenna Control for HAPS Using Mean Field Reinforcement Learning in Multi-Cell Configuration.
ICC
Siyuan Yang, Mondher Bouazizi, Tomoaki Ohtsuki
2023 — conf
Evaluation of Source Data Selection for DTL Based CSI Feedback Method in FDD Massive MIMO Systems.
CCNC
Mayuko Inoue, Tomoaki Ohtsuki, Kohei Yamamoto, Guan Gui
2023 J jnl
Graph Learning Empowered Situation Awareness in Internet of Energy With Graph Digital Twin.
IEEE Trans. Ind. Informatics
Liyan Sui, Xin Guan, Chen Cui, Haiyang Jiang, Heng Pan, Tomoaki Ohtsuki
2023 — conf
HAPS Cell Design Method for Coexistence on Terrestrial Mobile Networks.
VTC2023-Spring
Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate, Tomoaki Ohtsuki
2023 B conf
HAPS Trajectory Optimization Based on Throughput Heat Map.
GLOBECOM
Tatsuya Mori, Tomoaki Ohtsuki
2023 J jnl
Heart action monitoring from pulse signals using a growing hybrid polynomial network.
Eng. Appl. Artif. Intell.
Lu Wang, Chunhui Zhao, P. Takis Mathiopoulos, Tomoaki Ohtsuki
2023 B conf
Heterogeneous Image Change Detection Based on Deep Image Translation and Feature Refinement-Aggregation.
ICIP
Tianrui Zhao, Lu Wang, Chunhui Zhao, Tian Liu, Tomoaki Ohtsuki
2023 B conf
Improving Heart Rate Range Classification Using Doppler Radar with GAN-based Data Augmentation.
GLOBECOM
Danyuan Yu, Mondher Bouazizi, Tomoaki Ohtsuki
2023 J jnl
Intelligent Cellular Offloading With VLC-Enabled Unmanned Aerial Vehicles.
IEEE Internet Things J.
Fereidoun H. Panahi, Farzad H. Panahi, Tomoaki Ohtsuki
2023 J jnl
Joint Optimization of User Pairing, Power Allocation and Content Server Deployment in NOMA-Assisted Wireless Caching Networks.
IEEE Trans. Veh. Technol.
Yue Yin, Tomoaki Ohtsuki, Guan Gui, Chau Yuen, Hsiao-Chun Wu, Hikmet Sari
2023 B conf
K-Means Clustering-Aided Dynamic Multi-Cell Optimization Algorithm for HAPS.
GLOBECOM
Wei Dai, Siyuan Yang, Mondher Bouazizi, Tomoaki Ohtsuki
2023 J jnl
Machine Learning in 6G Wireless Communications.
IEICE Trans. Commun.
Tomoaki Ohtsuki
2023 J jnl
Max-Min Fair 3D Trajectory Design and Transmission Scheduling for Solar-Powered Fixed-Wing UAV-Assisted Data Collection.
IEEE Trans. Wirel. Commun.
Chao Sun, Xinxuan Xiong, Zhiyuan Zhai, Wei Ni, Tomoaki Ohtsuki, Xin Wang
2023 J jnl
Multi-Person Position Estimation Based on Correlation Between Received Signals Using MIMO FMCW Radar.
IEEE Access
Koji Endo, Tomohiro Ishikawa, Kohei Yamamoto, Tomoaki Ohtsuki
2023 B conf
Multilayer Attention Mechanism for Change Detection in SAR Image Spatial-Frequency Domain.
ICIP
Lirui Ma, Lu Wang, Chunhui Zhao, Jiahui E, Tomoaki Ohtsuki
2023 — conf
NASEI: Neural Architecture Search-Based Specific Emitter Identification Method.
VTC2023-Spring
Yuxuan Huang, Xixi Zhang, Yu Wang, Donglai Jiao, Guan Gui, Tomoaki Ohtsuki
2023 — conf
Non-Contact Blood Pressure Estimation Using Accurate Cardiac Movements Extracted by Hidden Semi-Markov Model.
ICC
Shengze Wang, Mondher Bouazizi, Tomoaki Ohtsuki
2023 — conf
Radio Frequency Fingerprint Identification Based on Length-Robust Representation and Incremental Learning.
ICCT
Feng Shi, Ziqin Feng, Fucheng Miao, Xue Fu, Bamidele Adebisi, Tomoaki Ohtsuki, Hikmet Sari, Guan Gui
2023 — conf
Radio Frequency Signal Dataset Generation Based on LTE System and Variable Channels.
INFOCOM Workshops
Shupeng Zhang, Yibin Zhang, Xixi Zhang, Yang Peng, Jinlong Sun, Guan Gui, Tomoaki Ohtsuki
2023 J jnl
Resource Allocation for Secure MIMO-SWIPT Systems in the Presence of Multi-Antenna Eavesdropper in Vehicular Networks.
Sensors
Vieeralingaam Ganapathy, Ramanathan Ramachandran, Tomoaki Ohtsuki
2023 J jnl
SAR Image Change Detection in Spatial-Frequency Domain Based on Attention Mechanism and Gated Linear Unit.
IEEE Geosci. Remote. Sens. Lett.
Chunhui Zhao, Lirui Ma, Lu Wang, Tomoaki Ohtsuki, P. Takis Mathiopoulos, Yong Wang
2023 — conf
Semi-Supervised Malware Traffic Classification Via Consistency Regularization and Pseudo-Labeling.
ICCT
Qianlong Jiao, Xixi Zhang, Weijie Zhang, Fucheng Miao, Tomoaki Ohtsuki, Bamidele Adebisi, Yu Wang, Guan Gui
2023 J jnl
Semisupervised Federated-Learning-Based Intrusion Detection Method for Internet of Things.
IEEE Internet Things J.
Ruijie Zhao, Yijun Wang, Zhi Xue, Tomoaki Ohtsuki, Bamidele Adebisi, Guan Gui
2022 J jnl
2-D LIDAR-Based Approach for Activity Identification and Fall Detection.
IEEE Internet Things J.
Mondher Bouazizi, Chen Ye, Tomoaki Ohtsuki
2022 J jnl
A Denoising Method Using Deep Image Prior to Human-Target Detection Using MIMO FMCW Radar.
Sensors
Koji Endo, Kohei Yamamoto, Tomoaki Ohtsuki
2022 J jnl
A Multi-Layer Hybrid Network With Its Application in Fetal Heart Rate Monitoring.
IEEE Signal Process. Lett.
Lu Wang, Tomoaki Ohtsuki, Kazunari Owada, Naoki Honma, Hayato Hayashi
2022 J jnl
A Novel Intrusion Detection Method Based on Lightweight Neural Network for Internet of Things.
IEEE Internet Things J.
Ruijie Zhao, Guan Gui, Zhi Xue, Jie Yin, Tomoaki Ohtsuki, Bamidele Adebisi, Haris Gacanin
2022 — conf
A Semi-Supervised Federated Learning Scheme via Knowledge Distillation for Intrusion Detection.
ICC
Ruijie Zhao, Linbo Yang, Yijun Wang, Zhi Xue, Guan Gui, Tomoaki Ohtsuki
2022 — conf
Adaptive DNN-based CSI Feedback with Quantization for FDD Massive MIMO Systems.
VTC Fall
Junjie Gao, Mondher Bouazizi, Tomoaki Ohtsuki, Guan Gui
2022 J jnl
An Adaptive Vehicle Clustering Algorithm Based on Power Minimization in Vehicular Ad-Hoc Networks.
IEEE Trans. Veh. Technol.
Haitao Zhao, Jiawen Tang, Bamidele Adebisi, Tomoaki Ohtsuki, Guan Gui, Hongbo Zhu
2022 — conf
An Effective Radio Frequency Signal Classification Method Based on Multi-Task Learning Mechanism.
VTC Fall
Hongwei Liu, Chengyao Hao, Yang Peng, Yu Wang, Tomoaki Ohtsuki, Guan Gui
2022 J jnl
An Evaluation on Information Composition in Dementia Detection Based on Speech.
IEEE Access
Chuheng Zheng, Mondher Bouazizi, Tomoaki Ohtsuki
2022 J jnl
An Infrared Array Sensor-Based Approach for Activity Detection, Combining Low-Cost Technology with Advanced Deep Learning Techniques.
Sensors
Muthukumar Krishnan Arumugasamy, Mondher Bouazizi, Tomoaki Ohtsuki
2022 — conf
Arterial Blood Pressure Estimation Method from Electrocardiogram Signals using U-Net.
EMBC
Rikuto Yoshizawa, Kohei Yamamoto, Tomoaki Ohtsuki
2022 — conf
Attention-CNN-Aided Specific Emitter Identification Method with Limited Radio Frequency Dataset.
ICCT
Shufei Wang, Yibin Zhang, Jinlong Sun, Tomoaki Ohtsuki, Guan Gui
2022 C conf
Autoencoder-based Pilot Pattern Design for CDL Channels.
APCC
Yuta Yamada, Tomoaki Ohtsuki
2022 J jnl
Blockchain-Based Task Offloading for Edge Computing on Low-Quality Data via Distributed Learning in the Internet of Energy.
IEEE J. Sel. Areas Commun.
Yongnan Liu, Xin Guan, Yu Peng, Hongyang Chen, Tomoaki Ohtsuki, Zhu Han
2022 — conf
Co-Evolutionary Dynamic Cell optimization Algorithm for HAPS Mobile Communications.
VTC Spring
Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate, Tomoaki Ohtsuki
2022 J jnl
Constructing Mobile Crowdsourced COVID-19 Vulnerability Map With Geo-Indistinguishability.
IEEE Internet Things J.
Rui Chen, Liang Li, Ying Ma, Yanmin Gong, Yuanxiong Guo, Tomoaki Ohtsuki, Miao Pan
2022 — conf
Cross-Person Activity Recognition Method Using Snapshot Ensemble Learning.
VTC Fall
Siyuan Xu, Zhengran He, Wenjuan Shi, Yu Wang, Tomoaki Ohtsuki, Guan Gui
2022 — conf
Data Augmentation Aided Few-Shot Learning for Specific Emitter Identification.
VTC Fall
Xixi Zhang, Yu Wang, Yibin Zhang, Yun Lin, Guan Gui, Tomoaki Ohtsuki, Hikmet Sari
2022 — conf
Dementia Detection Using Language Models and Transfer Learning.
ICSIM
Mondher Bouazizi, Chuheng Zheng, Tomoaki Ohtsuki
2022 — conf
Dynamic Antenna Control for HAPS Using Fuzzy Q-Learning in Multi-Cell Configuration.
ICC
Kenshiro Wada, Siyuan Yang, Mondher Bouazizi, Tomoaki Ohtsuki, Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate
2022 — conf
Dynamic Antenna Control for HAPS Using Geometry-based Method in Multi-Cell Configuration.
VTC Spring
Siyuan Yang, Mondher Bouazizi, Tomoaki Ohtsuki, Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate
2022 J jnl
Edge Device Identification Based on Federated Learning and Network Traffic Feature Engineering.
IEEE Trans. Cogn. Commun. Netw.
Zhimin He, Jie Yin, Yu Wang, Guan Gui, Bamidele Adebisi, Tomoaki Ohtsuki, Haris Gacanin, Hikmet Sari
2022 B conf
Fetal Arrhythmia Detection based on Deep Learning using Fetal ECG Signals.
GLOBECOM
Sara Nakatani, Kohei Yamamoto, Tomoaki Ohtsuki
2022 J jnl
Foreword.
IEICE Trans. Commun.
Tomoaki Ohtsuki
2022 J jnl
Fully Convolutional Neural Network-Based CSI Limited Feedback for FDD Massive MIMO Systems.
IEEE Trans. Cogn. Commun. Netw.
Guanghui Fan, Jinlong Sun, Guan Gui, Haris Gacanin, Bamidele Adebisi, Tomoaki Ohtsuki
2022 J jnl
Global Communications Newsletter.
IEEE Commun. Mag.
Stefano Bregni, Tomoaki Ohtsuki, Douglas N. Zuckerman, Tim Weil, Mark Milliman, Keattisak Sripimanwat, Umair Ahmed Korai, Bhawani Shankar Chowdhry, Aftab Ahmed Memon
2022 — conf
Heartbeat Detection Using 3D Lidar and MIMO Doppler Radar.
ICC
Mondher Bouazizi, Kohei Yamamoto, Tomoaki Ohtsuki
2022 J jnl
Inter-User Distance Estimation Based on a New Type of Fingerprint in Massive MIMO System for COVID-19 Contact Detection.
Sensors
Siyuan Yang, Mondher Bouazizi, Yuwen Cao, Tomoaki Ohtsuki
2022 — conf
Joint Weighted and Truncated Nuclear Norm Minimization for Matrix Completion-Assisted mmWave MIMO Channel Estimation.
VTC Spring
Yunyi Li, Jianxun Liu, Chaoyang Chen, Guan Gui, Tomoaki Ohtsuki, Hikmet Sari
2022 J jnl
Lightweight Automatic Modulation Classification Based on Decentralized Learning.
IEEE Trans. Cogn. Commun. Netw.
Xue Fu, Guan Gui, Yu Wang, Tomoaki Ohtsuki, Bamidele Adebisi, Haris Gacanin, Fumiyuki Adachi
2022 J jnl
Low-Resolution Infrared Array Sensor for Counting and Localizing People Indoors: When Low End Technology Meets Cutting Edge Deep Learning Techniques.
Inf.
Mondher Bouazizi, Chen Ye, Tomoaki Ohtsuki
2022 J jnl
Make Smart Decisions Faster: Deciding D2D Resource Allocation via Stackelberg Game Guided Multi-Agent Deep Reinforcement Learning.
IEEE Trans. Mob. Comput.
Dian Shi, Liang Li, Tomoaki Ohtsuki, Miao Pan, Zhu Han, H. Vincent Poor
2022 C conf
Max-Min Fair 3D Trajectory Planning for Solar-Powered UAV-Assisted Data Collection.
ICCC
Chao Sun, Xinxuan Xiong, Wei Ni, Tomoaki Ohtsuki, Xin Wang
2022 J jnl
Multibeam Doppler Sensor-Based Non-Contact Heartbeat Detection Using Beam Diversity.
IEEE Access
Tsukiko Kitagawa, Kohei Yamamoto, Koji Endo, Tomoaki Ohtsuki
2022 — conf
Non-contact Blood Pressure Estimation Method Based on Blood Pressure Category Classification.
EMBC
Shuzo Ishizaka, Kohei Yamamoto, Tomoaki Ohtsuki
2022 — conf
Non-invasive Fetal ECG Signal Quality Assessment based on Unsupervised Learning Approach.
EMBC
Xintong Shi, Kohei Yamamoto, Tomoaki Ohtsuki, Yutaka Matsui, Kazunari Owada
2022 J jnl
Sarcasm Over Time and Across Platforms: Does the Way We Express Sarcasm Change?
IEEE Access
Mondher Bouazizi, Tomoaki Ohtsuki
2022 — conf
Smartphone-Aided Human Activity Recognition Method using Residual Multi-Layer Perceptron.
INFOCOM Workshops
Shang Shi, Yu Wang, Heng Dong, Guan Gui, Tomoaki Ohtsuki
2022 B conf
Social Robot Detection Using RoBERTa Classifier and Random Forest Regressor with Similarity Analysis.
GLOBECOM
Yeyang Chen, Mondher Bouazizi, Tomoaki Ohtsuki
2022 J jnl
Sub-GHz Two-Way Ranging Based on Phase Detection for Remote Keyless Entry Systems.
IEEE Trans. Veh. Technol.
Ichiro Seto, Shoji Otaka, Hiroshi Yoshida, Katsuya Nonin, Masaki Nishikawa, Takayuki Kato, Yoshiharu Nito, Hideyuki Ishiwata, Tomoaki Ohtsuki
2022 J jnl
Two-Step Dynamic Cell Optimization Algorithm for HAPS Mobile Communications.
IEEE Access
Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate, Tomoaki Ohtsuki
2022 B conf
Unsupervised Representation Learning-based Doppler Ultrasound Signal Quality Assessment.
GLOBECOM
Xintong Shi, Kohei Yamamoto, Tomoaki Ohtsuki, Yutaka Matsui, Kazunari Owada
2022 J jnl
Wi-Fi-Based Fall Detection Using Spectrogram Image of Channel State Information.
IEEE Internet Things J.
Takashi Nakamura, Mondher Bouazizi, Kohei Yamamoto, Tomoaki Ohtsuki
2021 J jnl
A Deep Learning-Based Low Overhead Beam Selection in mmWave Communications.
IEEE Trans. Veh. Technol.
Haruhi Echigo, Yuwen Cao, Mondher Bouazizi, Tomoaki Ohtsuki
2021 B conf
A Novel Approach based on Lightweight Deep Neural Network for Network Intrusion Detection.
WCNC
Ruijie Zhao, Zhaojie Li, Zhi Xue, Tomoaki Ohtsuki, Guan Gui
2021 C conf
A Novel Approach for Inter-User Distance Estimation in 5G mmWave Networks Using Deep Learning.
APCC
Mondher Bouazizi, Siyuan Yang, Yuwen Cao, Tomoaki Ohtsuki
2021 B conf
A Novel Compression CSI Feedback based on Deep Learning for FDD Massive MIMO Systems.
WCNC
Yuting Wang, Yibin Zhang, Jinlong Sun, Guan Gui, Tomoaki Ohtsuki, Fumiyuki Adachi
2021 J jnl
A Novel Hybrid Deep Learning Model for Activity Detection Using Wide-Angle Low-Resolution Infrared Array Sensor.
IEEE Access
Muthukumar Krishnan Arumugasamy, Mondher Bouazizi, Tomoaki Ohtsuki
2021 B conf
Activity Detection using 2D LIDAR for Healthcare and Monitoring.
GLOBECOM
Mondher Bouazizi, Chen Ye, Tomoaki Ohtsuki
2021 — conf
All-in-One Hate Speech Detectors May not be what You Want.
ICSIM
Mondher Bouazizi, Natsuho Niida, Tomoaki Ohtsuki
2021 — conf
An Autoencoder-Based Fetal Heart Rate Detector for Noninvasive Recordings.
EMBC
Abuzar Ahmad Qureshi, Lu Wang, Tomoaki Ohtsuki, Kazunari Owada, Naoki Honma, Hayato Hayashi
2021 — conf
An Effective Radar Signal Recognition Method Using Neural Architecture Search.
VTC Fall
Min Zhang, Wang Luo, Yu Wang, Jinlong Sun, Jie Yang, Tomoaki Ohtsuki
2021 J jnl
An Efficient Intrusion Detection Method Based on Dynamic Autoencoder.
IEEE Wirel. Commun. Lett.
Ruijie Zhao, Jie Yin, Zhi Xue, Guan Gui, Bamidele Adebisi, Tomoaki Ohtsuki, Haris Gacanin, Hikmet Sari
2021 J jnl
An Efficient Specific Emitter Identification Method Based on Complex-Valued Neural Networks and Network Compression.
IEEE J. Sel. Areas Commun.
Yu Wang, Guan Gui, Haris Gacanin, Tomoaki Ohtsuki, Octavia A. Dobre, H. Vincent Poor
2021 J jnl
Compressive Sampled CSI Feedback Method Based on Deep Learning for FDD Massive MIMO Systems.
IEEE Trans. Commun.
Jie Wang, Guan Gui, Tomoaki Ohtsuki, Bamidele Adebisi, Haris Gacanin, Hikmet Sari
2021 J jnl
Data Augmentation for Sentiment Analysis Using Sentence Compression-Based SeqGAN With Data Screening.
IEEE Access
Jiawei Luo, Mondher Bouazizi, Tomoaki Ohtsuki
2021 — conf
Decentralized Learning-based Scenario Identification Method for Intelligent Vehicular Communications.
VTC Fall
Yaru Zhou, Yu Wang, Pengfei Liu, Jie Yang, Tomoaki Ohtsuki, Hikmet Sari
2021 B conf
Differentiable Architecture Search-Based Automatic Modulation Classification.
WCNC
Xun Wei, Wang Luo, Xixi Zhang, Jie Yang, Guan Gui, Tomoaki Ohtsuki
2021 J jnl
Discrete BP Polar Decoder Using Information Bottleneck Method.
IEEE Access
Akira Yamada, Tomoaki Ohtsuki
2021 J jnl
Distributed Deep Reinforcement Learning for Renewable Energy Accommodation Assessment With Communication Uncertainty in Internet of Energy.
IEEE Internet Things J.
Dawei Fang, Xin Guan, Yu Peng, Hongyang Chen, Tomoaki Ohtsuki, Zhu Han
2021 J jnl
Downlink CSI Feedback Algorithm With Deep Transfer Learning for FDD Massive MIMO Systems.
IEEE Trans. Cogn. Commun. Netw.
Jun Zeng, Jinlong Sun, Guan Gui, Bamidele Adebisi, Tomoaki Ohtsuki, Haris Gacanin, Hikmet Sari
2021 — conf
Fast Beamforming Design Method for IRS-Aided mmWave MISO Systems.
VTC Fall
Zhengran He, Hao Huang, Jie Yang, Guan Gui, Tomoaki Ohtsuki, Bamidele Adebisi, Haris Gacanin
2021 J jnl
Federated Learning for DL-CSI Prediction in FDD Massive MIMO Systems.
IEEE Wirel. Commun. Lett.
Weihao Hou, Jinlong Sun, Guan Gui, Tomoaki Ohtsuki, Ahmet M. Elbir, Haris Gacanin, Hikmet Sari
2021 — conf
Fetal Heart Rate Detection Using First Derivative of ECG Waveform and Multiple Weighting Functions.
EMBC
Natsuho Niida, Lu Wang, Tomoaki Ohtsuki, Kazunari Owada, Naoki Honma, Hayato Hayashi
2021 J jnl
Foreword.
IEICE Trans. Commun.
Tomoaki Ohtsuki
2021 — conf
From Multiset Events to Signal Restoration via Tensor Decomposition Based Separation Learning.
ICC
Lu Wang, Tomoaki Ohtsuki
2021 — conf
HSRRS Classification Method Based on Deep Transfer Learning And Multi-Feature Fusion.
VTC Fall
Ziteng Wang, Zhaojie Li, Yu Wang, Wenmei Li, Jie Yang, Tomoaki Ohtsuki
2021 J jnl
Joint UL/DL Resource Allocation for UAV-Aided Full-Duplex NOMA Communications.
IEEE Trans. Commun.
Wenjuan Shi, Yanjing Sun, Miao Liu, Hua Xu, Guan Gui, Tomoaki Ohtsuki, Bamidele Adebisi, Haris Gacanin, Fumiyuki Adachi
2021 — conf
Lightweight Network Design Based on ResNet Structure for Modulation Recognition.
VTC Fall
Xiao Lu, Mengyuan Tao, Xue Fu, Guan Gui, Tomoaki Ohtsuki, Hikmet Sari
2021 B conf
Lightweight Network and Model Aggregation for Automatic Modulation Classification in Wireless Communications.
WCNC
Xue Fu, Guan Gui, Yu Wang, Tomoaki Ohtsuki, Bamidele Adebisi, Haris Gacanin, Fumiyuki Adachi
2021 — conf
Mobility-Aware Routing and Caching: A Federated Learning Assisted Approach.
ICC
Yuwen Cao, Setareh Maghsudi, Tomoaki Ohtsuki
2021 J jnl
Mobility-Aware Routing and Caching: A Federated Learning Assisted Approach.
CoRR
Yuwen Cao, Setareh Maghsudi, Tomoaki Ohtsuki
2021 — conf
Multi-Rate Compression for Downlink CSI Based on Transfer Learning in FDD Massive MIMO Systems.
VTC Fall
Yuting Wang, Jinlong Sun, Jie Wang, Jie Yang, Tomoaki Ohtsuki, Bamidele Adebisi, Haris Gacanin
2021 J jnl
Multi-Task Learning for Generalized Automatic Modulation Classification Under Non-Gaussian Noise With Varying SNR Conditions.
IEEE Trans. Wirel. Commun.
Yu Wang, Guan Gui, Tomoaki Ohtsuki, Fumiyuki Adachi
2021 — conf
Non-contact Blood Pressure Measurement using Doppler Radar based on Waveform Analysis by LSTM.
ICC
Shuzo Ishizaka, Kohei Yamamoto, Tomoaki Ohtsuki
2021 B conf
Non-contact Heartbeat Detection Based on Beam Diversity Using Multibeam Doppler Sensor.
GLOBECOM
Tsukiko Kitagawa, Kohei Yamamoto, Tomoaki Ohtsuki
2021 Misc conf
Noncontact Heartbeat Detection by Viterbi Algorithm with Fusion of Beat-Beat Interval and Deep Learning-Driven Branch Metrics.
ICASSP
Kohei Yamamoto, Tomoaki Ohtsuki
2021 J jnl
Overloaded Wireless MIMO Switching for Information Exchanging through Untrusted Relay in Secure Wireless Communication.
IEICE Trans. Commun.
Arata Takahashi, Osamu Takyu, Hiroshi Fujiwara, Takeo Fujii, Tomoaki Ohtsuki
2021 B conf
Remote Sensing of Heartbeat based on Space Diversity Using MIMO FMCW Radar.
GLOBECOM
Kohei Yamamoto, Koji Endo, Tomoaki Ohtsuki
2021 J jnl
Robust Resource Allocation for Two-Tier HetNets: An Interference-Efficiency Perspective.
IEEE Trans. Green Commun. Netw.
Yongjun Xu, Guan Gui, Tomoaki Ohtsuki, Haris Gacanin, Bamidele Adebisi, Hikmet Sari, Fumiyuki Adachi
2021 J jnl
SALDR: Joint Self-Attention Learning and Dense Refine for Massive MIMO CSI Feedback With Multiple Compression Ratio.
IEEE Wirel. Commun. Lett.
Xuan Song, Jun Wang, Jie Wang, Guan Gui, Tomoaki Ohtsuki, Haris Gacanin, Hikmet Sari
2021 J jnl
Spatial Degrees of Freedom Exploration and Analog Beamforming Designs for Signature Spatial Modulation.
IEICE Trans. Commun.
Yuwen Cao, Tomoaki Ohtsuki
2021 — conf
Weighted-Beam Superposition for mmWave Massive MIMO-NOMA Systems.
VTC Fall
Hanyue Dai, Yue Yin, Hao Huang, Jie Yang, Tomoaki Ohtsuki, Hikmet Sari, Fumiyuki Adachi
2020 — conf
An Infrared Array Sensor-Based Method for Localizing and Counting People for Health Care and Monitoring.
EMBC
Mondher Bouazizi, Tomoaki Ohtsuki
2020 J jnl
Blind Source Separation on Non-Contact Heartbeat Detection by Non-Negative Matrix Factorization Algorithms.
IEEE Trans. Biomed. Eng.
Chen Ye, Kentaroh Toyoda, Tomoaki Ohtsuki
2020 — conf
Damping Factor Learning of BP Detection with Node Selection in Massive MIMO using Neural Network.
VTC Spring
Junta Tachibana, Tomoaki Ohtsuki
2020 — conf
Deep Clustering with LSTM for Vital Signs Separation in Contact-free Heart Rate Estimation.
ICC
Chen Ye, Guan Gui, Tomoaki Ohtsuki
2020 B conf
Deep Learning Aided Channel Estimation for Massive MIMO with Pilot Contamination.
GLOBECOM
Hiroki Hirose, Tomoaki Ohtsuki, Guan Gui
2020 J jnl
Deep Reinforcement Learning for Economic Dispatch of Virtual Power Plant in Internet of Energy.
IEEE Internet Things J.
Lin Lin, Xin Guan, Yu Peng, Ning Wang, Sabita Maharjan, Tomoaki Ohtsuki
2020 — conf
Discrete Polar Decoder using Information Bottleneck Method.
ICC
Akira Yamada, Tomoaki Ohtsuki
2020 J jnl
Dual-Ascent Inspired Transmit Precoding for Evolving Multiple-Access Spatial Modulation.
IEEE Trans. Commun.
Yuwen Cao, Tomoaki Ohtsuki, Tony Q. S. Quek
2020 J jnl
ECG Signal Reconstruction via Doppler Sensor by Hybrid Deep Learning Model With CNN and LSTM.
IEEE Access
Kohei Yamamoto, Ryosuke Hiromatsu, Tomoaki Ohtsuki
2020 J jnl
Energy Efficiency Analysis in Cache-Enabled D2D-Aided Heterogeneous Cellular Networks.
IEEE Access
Farzad H. Panahi, Fereidoun H. Panahi, Tomoaki Ohtsuki
2020 J jnl
Evaluating smart grid renewable energy accommodation capability with uncertain generation using deep reinforcement learning.
Future Gener. Comput. Syst.
Yongnan Liu, Xin Guan, Jun Li, Di Sun, Tomoaki Ohtsuki, Mohammad Mehedi Hassan, Abdulhameed Alelaiwi
2020 J jnl
Influence and Mitigation of Pedestrian Blockage at mmWave Cellular Networks.
IEEE Trans. Veh. Technol.
S. Yuva Kumar, Tomoaki Ohtsuki
2020 — conf
Interference Control of LTE-LAA using Q-learning with HARQ.
VTC Spring
Kenshiro Wada, Tomoaki Ohtsuki
2020 — conf
Joint Multiple Subspace-based BSS Method for Fetal Heart Rate Extraction from Non-invasive Recordings.
EMBC
Lu Wang, Tomoaki Ohtsuki, Kazunari Owada, Naoki Honma, Hayato Hayashi
2020 J jnl
Learning and Analysis of Damping Factor in Massive MIMO Detection Using BP Algorithm With Node Selection.
IEEE Access
Junta Tachibana, Tomoaki Ohtsuki
2020 J jnl
Low-Complexity Subspace MMSE Channel Estimation in Massive MU-MIMO System.
IEEE Access
Yunfeng Deng, Tomoaki Ohtsuki
2020 — conf
Multi-Configuration Selection Mechanisms and Analog Precoding for Signature Spatial Modulation.
ICC
Yuwen Cao, Tomoaki Ohtsuki
2020 J jnl
Non-Contact Heartbeat Detection by Heartbeat Signal Reconstruction Based on Spectrogram Analysis With Convolutional LSTM.
IEEE Access
Kohei Yamamoto, Tomoaki Ohtsuki
2020 — conf
On-Road Object Identification with Time Series Automotive Millimeter-wave Radar Information.
VTC Spring
Takashi Nakamura, Kentaroh Toyoda, Tomoaki Ohtsuki
2020 — conf
Online Recursive ICA Algorithm Used for Motor Imagery EEG Signal.
EMBC
Xueyi Lin, Lu Wang, Tomoaki Ohtsuki
2020 J jnl
Risk Assessment of Private Information Inference for Motion Sensor Embedded IoT Devices.
IEEE Trans. Emerg. Top. Comput. Intell.
Yan Huang, Xin Guan, Hongyang Chen, Yi Liang, Shanshan Yuan, Tomoaki Ohtsuki
2020 J jnl
Semi-Supervised Machine Learning Aided Anomaly Detection Method in Cellular Networks.
IEEE Trans. Veh. Technol.
Yutao Lu, Juan Wang, Miao Liu, Kaixuan Zhang, Guan Gui, Tomoaki Ohtsuki, Fumiyuki Adachi
2020 J jnl
Surveillance Plane Aided Air-Ground Integrated Vehicular Networks: Architectures, Applications, and Potential.
IEEE Wirel. Commun.
Jinlong Sun, Fan Liu, Yuzhi Zhou, Guan Gui, Tomoaki Ohtsuki, Song Guo, Fumiyuki Adachi
2020 J jnl
Transfer Learning for Semi-Supervised Automatic Modulation Classification in ZF-MIMO Systems.
IEEE J. Emerg. Sel. Topics Circuits Syst.
Yu Wang, Guan Gui, Haris Gacanin, Tomoaki Ohtsuki, Hikmet Sari, Fumiyuki Adachi
2020 — conf
User Association to Overcome Human Blockage at mmWave Cellular Networks.
VTC Spring
S. Yuva Kumar, Tomoaki Ohtsuki
2020 B conf
Wi-Fi-CSI-based Fall Detection by Spectrogram Analysis with CNN.
GLOBECOM
Takashi Nakamura, Mondher Bouazizi, Kohei Yamamoto, Tomoaki Ohtsuki
2019 J jnl
A Fast Blind Scheme With Full Rendezvous Diversity for Heterogeneous Cognitive Radio Networks.
IEEE Trans. Cogn. Commun. Netw.
Aohan Li, Guangjie Han, Tomoaki Ohtsuki
2019 J jnl
A Novel Methodology for HYIP Operators' Bitcoin Addresses Identification.
IEEE Access
Kentaroh Toyoda, P. Takis Mathiopoulos, Tomoaki Ohtsuki
2019 J jnl
A Stochastic Gradient Approach for Robust Heartbeat Detection With Doppler Radar Using Time-Window-Variation Technique.
IEEE Trans. Biomed. Eng.
Chen Ye, Kentaroh Toyoda, Tomoaki Ohtsuki
2019 B conf
CNN-Based Respiration Rate Estimation in Indoor Environments via MIMO FMCW Radar.
GLOBECOM
Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki
2019 J jnl
Doppler Sensor-Based Blink Duration Estimation by Analysis of Eyelids Closing and Opening Behavior on Spectrogram.
IEEE Access
Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki
2019 B conf
Dual-Ascent Inspired Iterative Transmit Precoding Approaches for Multiple Access Spatial Modulation.
GLOBECOM
Yuwen Cao, Tomoaki Ohtsuki
2019 B conf
FMCW Radar-Based Anomaly Detection in Toilet by Supervised Machine Learning Classifier.
GLOBECOM
Wataru Takabatake, Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki, Yohei Shibata, Atsushi Nagate
2019 — conf
Identification of Darknet Markets' Bitcoin Addresses by Voting Per-address Classification Results.
IEEE ICBC
Kota Kanemura, Kentaroh Toyoda, Tomoaki Ohtsuki
2019 — conf
Low Complexity and High Accuracy Channel Interpolation with Dividing URA into Small URAs for 3D Massive MIMO.
VTC Fall
Masumi Kuriyama, Tomoaki Ohtsuki
2019 — conf
MUSIC-based Non-contact Heart Rate Estimation with Adaptive Window Size Setting.
EMBC
Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki
2019 J jnl
Multi-class sentiment analysis on twitter: Classification performance and challenges.
Big Data Min. Anal.
Mondher Bouazizi, Tomoaki Ohtsuki
2019 J jnl
Multiple Radios for Fast Rendezvous in Heterogeneous Cognitive Radio Networks.
IEEE Access
Aohan Li, Guangjie Han, Tomoaki Ohtsuki
2019 — conf
Non-Negative Matrix Factorization-Based Blind Source Separation for Non-Contact Heartbeat Detection.
ICC
Chen Ye, Kentaroh Toyoda, Tomoaki Ohtsuki
2019 — conf
Novel CA-CFAR Approach for Improvement of Doppler Sensor-based Heart Rate Variability Estimation.
EMBC
Ryosuke Hiromatsu, Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki
2019 J jnl
Orthogonality Structure Designs for Generalized Precoding Aided Spatial Modulation.
IEEE Wirel. Commun. Lett.
Yuwen Cao, Tomoaki Ohtsuki
2019 — conf
Overloaded Wireless MIMO Switching for Secure Wireless Communication Exchanging to Untrusted Relay.
ICUFN
Arata Takahashi, Fumihito Sasamori, Shiro Handa, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki
2019 — conf
Performance Evaluation of Information-Sharing Scheme Among Multiple Destinations with Mirroring Null Steering in Single Antenna Networks.
ICOIN
Tetsuya Noguchi, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki
2019 Misc conf
Polynomial Networks Representation of Nonlinear Mixtures with Application in Underdetermined Blind Source Separation.
ICASSP
Lu Wang, Tomoaki Ohtsuki
2019 — conf
Precoding Aided Generalized Spatial Modulation with K Transmit Antenna Groups.
ICC
Yuwen Cao, Tomoaki Ohtsuki
2019 — conf
Spectrogram-Based Simultaneous Heartbeat and Blink Detection using Doppler Sensor.
ICC
Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki
2019 — conf
Underdetermined Blind Separation using Multi-Subspace Representation in Time-Frequency Domain.
ICC
Lu Wang, Tomoaki Ohtsuki
2019 J jnl
Underdetermined Blind Source Separation With Multi-Subspace for Nonlinear Representation.
IEEE Access
Lu Wang, Tomoaki Ohtsuki
2018 — conf
A Convergence and Asymptotic Analysis of Nonlinear Separation Model.
APSIPA
Lu Wang, Tomoaki Ohtsuki
2018 B conf
A Low-Complexity High-Accuracy AR Based Channel Prediction Method for Interference Alignment.
GLOBECOM
Masayoshi Ozawa, Tomoaki Ohtsuki, Fereidoun H. Panahi, Wenjie Jiang, Yasushi Takatori, Tadao Nakagawa
2018 J jnl
A closed-form expression for performance optimization of subcarrier intensity QAM signals-based relay-added FSO systems with APD.
Phys. Commun.
Ha Duyen Trung, Nguyen Tien Hoa, Nguyen Huu Trung, Tomoaki Ohtsuki
2018 — conf
Consideration of security for PLNC with untrusted relay in game theoretic perspective.
RWS
Yusuke Shirasaki, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
2018 — conf
Doppler Analysis Based Fall Detection Using Array Antenna.
ICC
Yugo Agata, Tomoaki Ohtsuki, Kentaroh Toyoda
2018 — conf
Doppler Sensor-Based Blink Duration Estimation by Spectrogram Analysis.
ICC
Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki
2018 B conf
Enhanced Channel Hopping Algorithm for Heterogeneous Cognitive Radio Networks.
GLOBECOM
Aohan Li, Guangjie Han, Tomoaki Ohtsuki
2018 B conf
Fall Detection Using UHF Passive RFID Based on the Neighborhood Preservation Principle.
GLOBECOM
Hiroto Kamoi, Kentaroh Toyoda, Tomoaki Ohtsuki
2018 — conf
Graph Coloring-Based Pilot Reuse with AOA and Distance in D2D Underlay Massive MIMO.
VTC Spring
Haruhi Echigo, Tomoaki Ohtsuki
2018 J jnl
Green Heterogeneous Networks via an Intelligent Sleep/Wake-Up Mechanism and D2D Communications.
IEEE Trans. Green Commun. Netw.
Fereidoun H. Panahi, Farzad H. Panahi, Ghaith Hattab, Tomoaki Ohtsuki, Danijela Cabric
2018 J jnl
Hate Speech on Twitter: A Pragmatic Approach to Collect Hateful and Offensive Expressions and Perform Hate Speech Detection.
IEEE Access
Hajime Watanabe, Mondher Bouazizi, Tomoaki Ohtsuki
2018 — conf
Improved Sparse Adaptive Algorithms for Accurate Non-contact Heartbeat Detection Using Time-Window-Variation Technique.
EMBC
Chen Ye, Kentaroh Toyoda, Tomoaki Ohtsuki
2018 B conf
Learning-Based Optimal Channel Selection in the Presence of Jammer for Cognitive Radio Networks.
GLOBECOM
Aohan Li, Fereidoun H. Panahi, Tomoaki Ohtsuki, Guangjie Han
2018 — conf
Multi-Class Bitcoin-Enabled Service Identification Based on Transaction History Summarization.
iThings/GreenCom/CPSCom/SmartData
Kentaroh Toyoda, Tomoaki Ohtsuki, P. Takis Mathiopoulos
2018 J jnl
Multi-Class Sentiment Analysis in Twitter: What if Classification is Not the Answer.
IEEE Access
Mondher Bouazizi, Tomoaki Ohtsuki
2018 B conf
Non-Contact Heartbeat Detection by MUSIC with Discrete Cosine Transform-Based Parameter Adjustment.
GLOBECOM
Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki
2018 J jnl
Nonlinear Blind Source Separation Unifying Vanishing Component Analysis and Temporal Structure.
IEEE Access
Lu Wang, Tomoaki Ohtsuki
2018 J jnl
On Physical Layer Security of α-η-κ-μ Fading Channels.
IEEE Commun. Lett.
Aashish Mathur, Yun Ai, Manav R. Bhatnagar, Michael Cheffena, Tomoaki Ohtsuki
2018 J jnl
Precoding Aided Generalized Spatial Modulation With an Iterative Greedy Algorithm.
IEEE Access
Yuwen Cao, Tomoaki Ohtsuki, Xue-Qin Jiang
2018 — conf
QoE-Aware Video Streaming Transmission Optimization Method for Playout Threshold Adjustment in LTE.
VTC Spring
Yan Qi, Tomoaki Ohtsuki
2018 J jnl
Recovery of Block-Structured Sparse Signal Using Block-Sparse Adaptive Algorithms via Dynamic Grouping.
IEEE Access
Chen Ye, Guan Gui, Li Xu, Tomoaki Ohtsuki
2018 — conf
Robust Heartbeat Detection with Doppler Radar Based on Stochastic Gradient Approach.
ICC
Chen Ye, Kentaroh Toyoda, Tomoaki Ohtsuki
2018 — conf
Secure information sharing with mirroring null steering through untrusted relay with two antennas.
RWS
Tetsuya Noguchi, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
2018 B conf
Signal Restoration Based on Temporal Structure and Multi-Layer Architecture.
GLOBECOM
Lu Wang, Tomoaki Ohtsuki
2018 J jnl
Spectrogram-Based Non-Contact RRI Estimation by Accurate Peak Detection Algorithm.
IEEE Access
Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki
2018 — conf
Time Series Analysis for Bitcoin Transactions: The Case of Pirate@40's HYIP Scheme.
ICDM Workshops
Kentaroh Toyoda, Tomoaki Ohtsuki, P. Takis Mathiopoulos
2018 — conf
Transmit control for secure information sharing in untrusted relay with two antennas.
ICOIN
Tetsuya Noguchi, Osamu Takyu, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Tomoaki Ohtsuki
2017 J jnl
A Lower Bound on Secrecy Capacity for MIMO Wiretap Channel Aided by a Cooperative Jammer With Channel Estimation Error.
IEEE Access
Shunya Iwata, Tomoaki Ohtsuki, Pooi-Yuen Kam
2017 J jnl
A Novel Blockchain-Based Product Ownership Management System (POMS) for Anti-Counterfeits in the Post Supply Chain.
IEEE Access
Kentaroh Toyoda, P. Takis Mathiopoulos, Iwao Sasase, Tomoaki Ohtsuki
2017 J jnl
A Pattern-Based Approach for Multi-Class Sentiment Analysis in Twitter.
IEEE Access
Mondher Bouazizi, Tomoaki Ohtsuki
2017 J jnl
A Smart City Based on Ambient Intelligence.
IEICE Trans. Commun.
Tomoaki Ohtsuki
2017 — conf
Antenna Parameters Optimization in Self-Organizing Networks: Multi-Armed Bandits with Pareto Search.
VTC Fall
Chaima Dhahri, Tomoaki Ohtsuki
2017 B conf
Design of privacy-preserving mobile Bitcoin client based on γ-deniability enabled bloom filter.
PIMRC
Kota Kanemura, Kentaroh Toyoda, Tomoaki Ohtsuki
2017 B conf
Driver's blink detection using Doppler sensor.
PIMRC
Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki
2017 B conf
Energy-Efficient Channel Hopping Protocol for Cognitive Radio Networks.
GLOBECOM
Aohan Li, Guangjie Han, Tomoaki Ohtsuki
2017 J jnl
Exploiting Interference for Capacity Improvement in Software-Defined Vehicular Networks.
IEEE Access
Xin Guan, Yan Huang, Min Chen, Huayang Wu, Tomoaki Ohtsuki, Yan Zhang
2017 B conf
Fair Pilot Assignment Based on AOA and Pathloss with Location Information in Massive MIMO.
GLOBECOM
Haruhi Echigo, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori
2017 B conf
Green heterogeneous networks via an intelligent power control strategy and D2D communications.
PIMRC
Fereidoun H. Panahi, Farzad H. Panahi, Ghaith Hattab, Tomoaki Ohtsuki, Danijela Cabric
2017 — conf
Heartbeat detection with Doppler radar based on spectrogram.
ICC
Eriko Mogi, Tomoaki Ohtsuki
2017 J jnl
IGMM-Based Co-Localization of Mobile Users With Ambient Radio Signals.
IEEE Internet Things J.
Pedro M. Varela, Jihoon Hong, Tomoaki Ohtsuki, Xiaoqi Qin
2017 B conf
Identification of High Yielding Investment Programs in Bitcoin via Transactions Pattern Analysis.
GLOBECOM
Kentaroh Toyoda, Tomoaki Ohtsuki, P. Takis Mathiopoulos
2017 J jnl
Improvements of femto-base station resource utilisation and ABS assignment convergence for dynamic ABS assignment.
IET Commun.
Masayoshi Ozawa, Tomoaki Ohtsuki
2017 J jnl
Joint Interference Alignment and Power Allocation for Multi-User MIMO Interference Channels Under Perfect and Imperfect CSI.
IEEE Trans. Green Commun. Netw.
Fereidoun H. Panahi, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Tadao Nakagawa
2017 B conf
Joint SDA-MAP Estimation of Channel and Interference Power in Superposed OFDM Transmission.
GLOBECOM
Yuto Kakizaki, Tomoaki Ohtsuki, Pooi-Yuen Kam, Kouhei Suzaki, Hirofumi Sasaki, Hideya So
2017 J jnl
Low Computational Complexity Direction-of-Arrival Estimation of Wideband Signal Sources Based on Squared TOPS.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hirotaka Hayashi, Tomoaki Ohtsuki
2017 J jnl
Novel Unsupervised SPITters Detection Scheme by Automatically Solving Unbalanced Situation.
IEEE Access
Kentaroh Toyoda, Mirang Park, Naonobu Okazaki, Tomoaki Ohtsuki
2017 — conf
Performance Analysis of PLC over Fading Channels with Colored Nakagami-m Background Noise.
VTC Spring
Yun Ai, Tomoaki Ohtsuki, Michael Cheffena
2017 — conf
Performance Analysis of Physical Layer Security over Rician/Nakagami-m Fading Channels.
VTC Spring
Shunya Iwata, Tomoaki Ohtsuki, Pooi Yuen Kam
2017 — conf
Q-learning based superposed band detection in multicarrier transmission.
ICC
Ali Shaikh, Fereidoun H. Panahi, Tomoaki Ohtsuki, Kouhei Suzaki, Hirofumi Sasaki, Hideya So, Tadao Nakagawa
2017 — conf
Secure Channel Selection Using Multi-Armed Bandit Algorithm in Cognitive Radio Network.
VTC Spring
Masahiro Endo, Tomoaki Ohtsuki, Takeo Fujii, Osamu Takyu
2017 — conf
Secure outage probability over κ-μ fading channels.
ICC
Shunya Iwata, Tomoaki Ohtsuki, Pooi Yuen Kam
2016 J jnl
A Pattern-Based Approach for Sarcasm Detection on Twitter.
IEEE Access
Mondher Bouazizi, Tomoaki Ohtsuki
2016 J jnl
A low-complexity cell clustering algorithm in dense small cell networks.
EURASIP J. Wirel. Commun. Netw.
Ryuma Seno, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori
2016 J jnl
Algorithm Design of Relative Magnitude Coefficients Using Brent's Method on the K-User MIMO-IFC.
IEICE Trans. Commun.
Kunitaka Matsumura, Tomoaki Ohtsuki
2016 B conf
Biometrie authentication using hand movement information from wrist-worn PPG sensors.
PIMRC
Tomoaki Ohtsuki, Hiroto Kamoi
2016 B conf
Channel prediction for massive MIMO with channel compression based on principal component analysis.
PIMRC
Rei Nagashima, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Tadao Nakagawa
2016 B conf
Coordinated Non-Orthogonal Multiple Access (CO-NOMA).
GLOBECOM
Anthony Beylerian, Tomoaki Ohtsuki
2016 J jnl
DOA Estimation Using Temporal Spatial Virtual Array Based on Doppler Shift with Adaptive PRI Control.
IEICE Trans. Commun.
Hirotaka Hayashi, Tomoaki Ohtsuki
2016 J jnl
DOA estimation for wideband signals based on weighted Squared TOPS.
EURASIP J. Wirel. Commun. Netw.
Hirotaka Hayashi, Tomoaki Ohtsuki
2016 J jnl
Discovering Co-Located Walking Groups of People Using iBeacon Technology.
IEEE Access
Pedro M. Varela, Tomoaki Ohtsuki
2016 B conf
Heartbeat detection with Doppler radar based on estimation of average R-R interval using Viterbi algorithm.
PIMRC
Tomoaki Ohtsuki, Eriko Mogi
2016 B conf
IGMM-Based Approach for Discovering Co-Located Mobile Users.
GLOBECOM
Pedro M. Varela, Jihoon Hong, Tomoaki Ohtsuki
2016 J jnl
Impact of the CSI on the Performance of Cognitive Relay Networks With Partial Relay Selection.
IEEE Trans. Veh. Technol.
Wael Jaafar, Tomoaki Ohtsuki, Wessam Ajib, David Haccoun
2016 B conf
Improvement of Blink Detection Using a Doppler Sensor Based on CFAR Processing.
GLOBECOM
Chihiro Tamba, Hirotaka Hayashi, Tomoaki Ohtsuki
2016 — conf
Interference alignment and power allocation for multi-user MIMO interference channels.
ICC
Fereidoun H. Panahi, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Kazuhiro Uehara
2016 J jnl
Intersection-based forwarding protocol for vehicular ad hoc networks.
Telecommun. Syst.
Xin Guan, Yan Huang, Zhipeng Cai, Tomoaki Ohtsuki
2016 B conf
Joint Interference Alignment and Power Allocation under Perfect and Imperfect CSI.
GLOBECOM
Fereidoun H. Panahi, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Kazuhiro Uehara
2016 J jnl
Multi-point fairness in resource allocation for C-RAN downlink CoMP transmission.
EURASIP J. Wirel. Commun. Netw.
Anthony Beylerian, Tomoaki Ohtsuki
2016 B conf
Optimal impersonation of CSI for maximizing leaked information to untrusted relay in PLNC.
WCNC
Osamu Takyu, Kengo Matsumoto, Tomoaki Ohtsuki, Takeo Fujii, Fumihito Sasamori, Shiro Handa
2016 B conf
QoE and throughput aware radio resource allocation algorithm in LTE network with users using different applications.
PIMRC
Takahiro Hori, Tomoaki Ohtsuki
2016 — conf
Room-level proximity detection based on RSS of dual-band Wi-Fi signals.
ICC
Yugo Agata, Jihoon Hong, Tomoaki Ohtsuki
2016 B conf
Sentiment Analysis in Twitter: From Classification to Quantification of Sentiments within Tweets.
GLOBECOM
Mondher Bouazizi, Tomoaki Ohtsuki
2016 — conf
Sentiment analysis: From binary to multi-class classification: A pattern-based approach for multi-class sentiment analysis in Twitter.
ICC
Mondher Bouazizi, Tomoaki Ohtsuki
2016 J jnl
Suppression of multiple wideband interferences based on superposition probability.
EURASIP J. Wirel. Commun. Netw.
Yuto Kakizaki, Yohei Shibata, Tomoaki Ohtsuki, Jun Mashino
2015 — conf
Activity recognition using array antenna.
ICC
Yusuke Hino, Jihoon Hong, Tomoaki Ohtsuki
2015 — conf
Activity recognition using low resolution infrared array sensor.
ICC
Shota Mashiyama, Jihoon Hong, Tomoaki Ohtsuki
2015 — conf
Analytical Evaluation of Coverage Probability in Two-Tier Cognitive Femto Networks.
VTC Spring
Fereidoun H. Panahi, Tomoaki Ohtsuki
2015 J jnl
Analytical modeling of cognitive heterogeneous cellular networks over Nakagami-m fading.
EURASIP J. Wirel. Commun. Netw.
Fereidoun H. Panahi, Tomoaki Ohtsuki
2015 J jnl
Coalition Graph Game for Robust Routing in Cooperative Cognitive Radio Networks.
Mob. Networks Appl.
Xin Guan, Aohan Li, Zhipeng Cai, Tomoaki Ohtsuki
2015 C conf
Complexity reduction of pico cell clustering for interference alignment in heterogeneous networks.
APCC
Ryuma Seno, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori
2015 — conf
DOA estimation in MIMO radar using temporal spatial virtual array with MUSIC algorithm.
ICSPCS
Hirotaka Hayashi, Tomoaki Ohtsuki
2015 C conf
Dynamic almost blank subframe assignment method with power control subframe for user fairness.
APCC
Masayoshi Ozawa, Tomoaki Ohtsuki
2015 B conf
Ergodic capacity analysis of full-duplex amplify-forward MIMO relay channel using Tracy-Widom distribution.
PIMRC
Ajib Setyo Arifin, Tomoaki Ohtsuki
2015 — conf
Evaluation of information leak by robustness evaluation of countermeasure to disguised CSI in PLNC considering physical layer security.
RWS
Kengo Matsumoto, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
2015 B conf
Graph Theory Based Capacity Analysis for Vehicular Ad Hoc Networks.
GLOBECOM
Yan Huang, Min Chen, Zhipeng Cai, Xin Guan, Tomoaki Ohtsuki, Yan Zhang
2015 — conf
Heartbeat detection by using Doppler radar with wavelet transform based on scale factor learning.
ICC
Shoichiro Tomii, Tomoaki Ohtsuki
2015 B conf
Heartbeat detection with Doppler sensor using adaptive scale factor selection on learning.
PIMRC
Eriko Mogi, Tomoaki Ohtsuki
2015 B conf
Interference Alignment for Time-Varying Channel with Channel and Weight Predictions Based on Auto Regressive Model.
GLOBECOM
Masayoshi Ozawa, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori
2015 — conf
Interference Alignment in Heterogeneous Networks Using Pico Cell Clustering.
VTC Fall
Ryuma Seno, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori
2015 B conf
Interference alignment for multi-user MIMO interference channels via a Riemannian optimization approach.
PIMRC
Fereidoun H. Panahi, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori
2015 J jnl
Iterative estimation of undesired signal power for superposed multicarrier transmission with channel estimation error.
EURASIP J. Wirel. Commun. Netw.
Yohei Shibata, Naotoshi Yoda, Tomoaki Ohtsuki, Jun Mashino, Takatoshi Sugiyama
2015 J jnl
Non-cooperative game-based packet ferry forwarding for sparse mobile wireless networks.
Wirel. Commun. Mob. Comput.
Xin Guan, Min Chen, Tomoaki Ohtsuki
2015 B conf
On secrecy rate analysis of MIMO wiretap channel aided by a cooperative jammer with channel estimation error.
PIMRC
Shunya Iwata, Tomoaki Ohtsuki
2015 B conf
Opinion Mining in Twitter How to Make Use of Sarcasm to Enhance Sentiment Analysis.
ASONAM
Mondher Bouazizi, Tomoaki Ohtsuki
2015 — conf
Performance evaluation of the physical layer security using artificial noise and relay station.
APSIPA
Junichi Kabeya, Osamu Takyu, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
2015 J jnl
Power-Absorption-Based Model for Power Compensation in WLAN Positioning Using Smartphone.
IEICE Trans. Commun.
Masaaki Yamamoto, Tomoaki Ohtsuki
2015 — conf
Room-level proximity detection using beacon frame from multiple access points.
APSIPA
Yugo Agata, Jihoon Hong, Tomoaki Ohtsuki
2015 B conf
Sarcasm Detection in Twitter: "All Your Products Are Incredibly Amazing!!!" - Are They Really?
GLOBECOM
Mondher Bouazizi, Tomoaki Ohtsuki
2015 — conf
Service-aware user-centric clustering and scheduling for cloud-RAN with coordinated multi-point transmission.
APSIPA
Anthony Beylerian, Tomoaki Ohtsuki
2015 J jnl
Signal Eigenvector-Based Device-Free Passive Localization Using Array Sensor.
IEEE Trans. Veh. Technol.
Jihoon Hong, Tomoaki Ohtsuki
2015 J jnl
Stochastic geometry modeling and analysis of cognitive heterogeneous cellular networks.
EURASIP J. Wirel. Commun. Netw.
Fereidoun H. Panahi, Tomoaki Ohtsuki
2015 B conf
Suppression of multiple interferences for superposed multicarrier transmission.
PIMRC
Yuto Kakizaki, Tomoaki Ohtsuki, Jun Mashino
2015 C conf
Undesired signal power estimation based on estimated superposed band for multicarrier transmission.
APCC
Yohei Shibata, Tomoaki Ohtsuki, Jun Mashino
2015 — conf
User identification based on toothbrushing information using three-axis accelerometer.
UbiComp/ISWC Adjunct
Kazuki Kobayashi, Tomoaki Ohtsuki
2014 J jnl
A Model Based on Poisson Point Process for Analyzing MIMO Heterogeneous Networks Utilizing Fractional Frequency Reuse.
IEEE Trans. Wirel. Commun.
He Zhuang, Tomoaki Ohtsuki
2014 B conf
A fall detection system using low resolution infrared array sensor.
PIMRC
Shota Mashiyama, Jihoon Hong, Tomoaki Ohtsuki
2014 J jnl
A model based on Poisson point process for downlink K tiers fractional frequency reuse heterogeneous networks.
Phys. Commun.
He Zhuang, Tomoaki Ohtsuki
2014 J jnl
Adaptive Q-Learning Cell Selection Method for Open-Access Femtocell Networks: Multi-User Case.
IEICE Trans. Commun.
Chaima Dhahri, Tomoaki Ohtsuki
2014 B conf
Analytical evaluation of fractional frequency reuse for MIMO heterogeneous cellular networks.
GLOBECOM
He Zhuang, Tomoaki Ohtsuki
2014 B conf
Analytical modeling of cognitive heterogeneous cellular networks over Nakagami-m fading.
GLOBECOM
Fereidoun H. Panahi, Tomoaki Ohtsuki
2014 B conf
Beyond proofs of data possession: Finding defective blocks in outsourced storage.
GLOBECOM
Juan Camilo Corena, Anirban Basu, Shinsaku Kiyomoto, Yutaka Miyake, Tomoaki Ohtsuki
2014 B conf
Blink detection using Doppler sensor.
PIMRC
Chihiro Tamba, Shoichiro Tomii, Tomoaki Ohtsuki
2014 J jnl
Cell selection for open-access femtocell networks: Learning in changing environment.
Phys. Commun.
Chaima Dhahri, Tomoaki Ohtsuki
2014 — conf
Coalition graph game for multi-hop routing path selection in Cooperative Cognitive Radio Networks.
ChinaCom
Aohan Li, Xin Guan, Ziheng Yang, Tomoaki Ohtsuki
2014 — conf
Design algorithm of relative magnitude coefficients using Brent's method on the K-User MIMO-IFC.
ICC
Kunitaka Matsumura, Tomoaki Ohtsuki
2014 B conf
Detecting unexpected fall using array antenna.
PIMRC
Yusuke Hino, Jihoon Hong, Tomoaki Ohtsuki
2014 B conf
Device-free passive localization from signal subspace eigenvectors.
GLOBECOM
Jihoon Hong, Tomoaki Ohtsuki
2014 J jnl
Foreword.
IEICE Trans. Commun.
Tomoaki Ohtsuki
2014 — conf
Global SNR maximization for distributed estimation and capacity of data collection in wireless sensor networks using individual power constraint.
APSIPA
Ajib Setyo Arifin, Tomoaki Ohtsuki
2014 — conf
Improve the performance of bus-assisted vehicular ad hoc networks via cooperative game theory.
ChinaCom
Yan Huang, Hong Wu, Yan Zhang, Xin Guan, Tomoaki Ohtsuki
2014 B conf
Interference suppression using EM algorithm in OFDM transmissions.
GLOBECOM
Naotoshi Yoda, Tomoaki Ohtsuki, Jun Mashino, Takatoshi Sugiyama
2014 B conf
Iterative estimation of undesired signal power for superposed multicarrier transmission with channel estimation error.
PIMRC
Yohei Shibata, Naotoshi Yoda, Tomoaki Ohtsuki, Jun Mashino, Takatoshi Sugiyama
2014 B conf
Localization calibration using illuminance sensor for pedestrian dead reckoning with smartphones.
PIMRC
Yohei Murakami, Tomoaki Ohtsuki
2014 — conf
Mobile-phone indoor localization based on microwave identification using web-access time.
WiSNet
Masaaki Yamamoto, Tomoaki Ohtsuki, Hironori Utsumi, Naohiro Furukawa
2014 J jnl
Optimal Channel-Sensing Scheme for Cognitive Radio Systems Based on Fuzzy Q-Learning.
IEICE Trans. Commun.
Fereidoun H. Panahi, Tomoaki Ohtsuki
2014 B conf
Parameter optimization using local search for CRE and eICIC in heterogeneous network.
PIMRC
Kurumi Yamamoto, Tomoaki Ohtsuki
2014 — conf
Physical layer network coding with multiple untrusted relays for physical layer security.
APSIPA
Kazuma Yamaguchi, Osamu Takyu, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
2014 J jnl
Pollution-Free Regenerating Codes With Fast Reconstruction Verification for Verifiable Cloud Storage.
J. Networks
Juan Camilo Corena, Tomoaki Ohtsuki
2014 — conf
Power compensation in WLAN positioning using a smartphone.
ISSNIP
Masaaki Yamamoto, Tomoaki Ohtsuki
2014 — conf
Q-Learning Based Cell Selection for UE Outage Reduction in Heterogeneous Networks.
VTC Fall
Toshihito Kudo, Tomoaki Ohtsuki
2014 B conf
Secondary transmit beamformings for spectrum leasing in CRNs in the presence of eavesdropper.
PIMRC
Masahiro Endo, Tomoaki Ohtsuki, Takeo Fujii, Osamu Takyu
2014 — conf
Stochastic geometry based analytical modeling of cognitive heterogeneous cellular networks.
ICC
Fereidoun H. Panahi, Tomoaki Ohtsuki
2014 — conf
XOR network coding pollution prevention without homomorphic functions.
CCNC
Juan Camilo Corena, Anirban Basu, Shinsaku Kiyomoto, Yutaka Miyake, Tomoaki Ohtsuki
2013 B conf
A case where noise increases the secrecy capacity of wiretap channels.
GLOBECOM
Oussama Souihli, Tomoaki Ohtsuki
2013 — conf
Ambient intelligence sensing using array sensor: device-free radio based approach.
UbiComp (Adjunct Publication)
Jihoon Hong, Tomoaki Ohtsuki
2013 — conf
Array sensor: Monitoring using wireless signals.
ICTC
Jihoon Hong, Tomoaki Ohtsuki
2013 J jnl
Benefits of Rich Scattering in MIMO Channels: A Graph-Theoretical Perspective.
IEEE Commun. Lett.
Oussama Souihli, Tomoaki Ohtsuki
2013 — conf
Cell Range Expansion Using Distributed Q-Learning in Heterogeneous Networks.
VTC Fall
Toshihito Kudo, Tomoaki Ohtsuki
2013 J jnl
Cell range expansion using distributed Q-learning in heterogeneous networks.
EURASIP J. Wirel. Commun. Netw.
Toshihito Kudo, Tomoaki Ohtsuki
2013 — conf
Cell selection using distributed Q-learning in heterogeneous networks.
APSIPA
Toshihito Kudo, Tomoaki Ohtsuki
2013 B conf
Cooperative fall detection using Doppler radar and array sensor.
PIMRC
Jihoon Hong, Shoichiro Tomii, Tomoaki Ohtsuki
2013 J jnl
Development and Performance Evaluation of MMSE MacroDiversity Reception System With Delay Difference Correction.
IEEE Trans. Veh. Technol.
Kazuhiko Mitsuyama, Tetsuomi Ikeda, Tomoaki Ohtsuki
2013 J jnl
Hidden Markov Model Based Localization Using Array Antenna.
Int. J. Wirel. Inf. Networks
Yusuke Inatomi, Jihoon Hong, Tomoaki Ohtsuki
2013 — conf
Human activity classification and localization algorithm based on temporal-spatial virtual array.
ICC
Yoshihisa Okamoto, Tomoaki Ohtsuki
2013 — conf
Human activity classification and localization using bistatic three frequency CW radar.
ICC
Yoshihisa Okamoto, Tomoaki Ohtsuki
2013 B conf
Interference detection technique using robust LLR for superposed multicarrier transmission.
PIMRC
Naotoshi Yoda, Genji Hayashi, Tomoaki Ohtsuki, Jun Mashino, Takatoshi Sugiyama
2013 — conf
Linear Precoding for Distributed Estimation of Correlated Sources in WSN MIMO System.
VTC Spring
Ajib Setyo Arifin, Tomoaki Ohtsuki
2013 B conf
Load balancing regenerating codes for multimedia content streaming.
PIMRC
Juan Camilo Corena, Tomoaki Ohtsuki
2013 J jnl
MIMO Receiver with Antenna Subset Selection: Algorithm and Hardware Implementation.
IEICE Trans. Commun.
Kazuhiko Mitsuyama, Tetsuomi Ikeda, Tomoaki Ohtsuki
2013 — conf
Multicast capacity analysis for social-proximity urban bus-assisted VANETs.
ICC
Yan Huang, Xin Guan, Zhipeng Cai, Tomoaki Ohtsuki
2013 — conf
Optimal channel-sensing policy based on Fuzzy Q-Learning process over cognitive radio systems.
ICC
Fereidoun H. Panahi, Tomoaki Ohtsuki
2013 B conf
PAPR reduction of amplify-and-forward relay OFDM system using subcarrier pairing method.
PIMRC
Norharyati Binti Harum, Kouki Yuda, Tomoaki Ohtsuki
2013 B conf
Proofs of data possession and pollution checking for Regenerating Codes.
GLOBECOM
Juan Camilo Corena, Tomoaki Ohtsuki
2012 — conf
A Multiple-MAC-Based Protocol to Identify Misbehaving Nodes in Network Coding.
VTC Fall
Juan Camilo Corena, Tomoaki Ohtsuki
2012 B conf
A new human model for Doppler radar simulation.
PIMRC
Franck Dirhold, Tomoaki Ohtsuki
2012 J jnl
Array Antenna based Localization Using Spatial Smoothing Processing.
J. Commun.
Jihoon Hong, Shun Kawakami, Clement N. Nyirenda, Tomoaki Ohtsuki
2012 — conf
Cooperative ARQ with Fairness via Vickrey Auction-Based Spectrum Leasing.
VTC Spring
Takuya Yamada, Tomoaki Ohtsuki
2012 B conf
Design method of relative magnitude coefficients considering rotation of basis vectors in interference space on the K-user MIMO interference channel for downlink system.
GLOBECOM
Kunitaka Matsumura, Tomoaki Ohtsuki
2012 — conf
Double stage and combining detection for cyclo-stationary feature.
RWS
Osamu Takyu, Hiroyoshi Yano, Takeo Fujii, Tomoaki Ohtsuki
2012 — conf
Epidemic theory based H + 1 hop forwarding for intermittently connected mobile Ad Hoc networks.
ICC
Xin Guan, Min Chen, Tomoaki Ohtsuki
2012 J jnl
Epidemic theory based H+1 hop forwarding for intermittently connected mobile ad hoc networks.
EURASIP J. Wirel. Commun. Netw.
Xin Guan, Min Chen, Tomoaki Ohtsuki
2012 C conf
Falling detection using multiple doppler sensors.
Healthcom
Shoichiro Tomii, Tomoaki Ohtsuki
2012 J jnl
Foreword.
IEICE Trans. Commun.
Tomoaki Ohtsuki
2012 — conf
Hardware Implementation of Proposed Antenna Selection Algorithm and Its Performance Evaluation Using Received Signals in Field Experiment.
VTC Fall
Kazuhiko Mitsuyama, Tetsuomi Ikeda, Tomoaki Ohtsuki
2012 B conf
Hidden Markov model based localization using array antenna.
PIMRC
Yusuke Inatomi, Jihoon Hong, Tomoaki Ohtsuki
2012 — conf
High Power Efficiency Transmission Based on Game Theory for AF Cooperative Communication.
VTC Fall
Takuya Yamada, Tomoaki Ohtsuki
2012 C conf
Interference mitigation depending on the number of antennas and CSI available at femtocells.
ISITA
Genji Hayashi, Tomoaki Ohtsuki
2012 — conf
Joint SVD-GSVD Precoding Technique and Secrecy Capacity Lower Bound for the MIMO Relay Wire-Tap Channel.
VTC Spring
Marouen Jilani, Tomoaki Ohtsuki
2012 J jnl
Joint SVD-GSVD Precoding Technique and Secrecy Capacity Lower Bound for the MIMO Relay Wire-tap Channel.
EURASIP J. Wirel. Commun. Netw.
Marouen Jilani, Tomoaki Ohtsuki
2012 — conf
Learning-Based Cell Selection Method for Femtocell Networks.
VTC Spring
Chaima Dhahri, Tomoaki Ohtsuki
2012 J jnl
PAPR Reduction of TDD-CDMA Using Joint Transmission Technique.
IEICE Trans. Commun.
Norharyati Binti Harum, Tomoaki Ohtsuki, Masao Nakagawa
2012 — conf
Passive localization using array sensor with support vector machine.
WPNC
Jihoon Hong, Shun Kawakami, Tomoaki Ohtsuki
2012 B conf
Q-learning cell selection for femtocell networks: Single- and multi-user case.
GLOBECOM
Chaima Dhahri, Tomoaki Ohtsuki
2012 J jnl
Secure and Fast Aggregation of Financial Data in Cloud-Based Expense Tracking Applications.
J. Netw. Syst. Manag.
Juan Camilo Corena, Tomoaki Ohtsuki
2012 J jnl
State Classification with Array Sensor Using Support Vector Machine for Wireless Monitoring Systems.
IEICE Trans. Commun.
Jihoon Hong, Tomoaki Ohtsuki
2012 — conf
Superposed Band Detection Based on Error Probability Using Initial Likelihood Masking.
VTC Spring
Tomoaki Ohtsuki, Genji Hayashi, Jun Mashino, Takatoshi Sugiyama
2012 B conf
Thwarting Diversity Attacks in wireless network coding using threshold signatures and a sender-centered approach.
GLOBECOM
Juan Camilo Corena, Tomoaki Ohtsuki
2012 J jnl
Transparent Inband Feedback for Training-Based MIMO Systems.
Wirel. Pers. Commun.
Oussama Souihli, Tomoaki Ohtsuki
2012 Misc conf
Wireless security and monitoring system using array antenna: Array sensor.
ICNC
Tomoaki Ohtsuki
2011 B conf
A nearest transmitter classification method for VLC based positioning system.
PIMRC
Chinnapat Sertthin, Tomoaki Ohtsuki, Osamu Takyu, Takeo Fujii, Yohtaro Umeda
2011 B conf
A state classification method based on space-time signal processing using SVM for wireless monitoring systems.
PIMRC
Jihoon Hong, Tomoaki Ohtsuki
2011 J jnl
An Autonomous Selective Cooperative ARQ Protocol for Hybrid Mobile Wireless Sensor Networks.
J. Commun.
Nandar Lynn, Osamu Takyu, Koichi Adachi, Masao Nakagawa, Tomoaki Ohtsuki
2011 B conf
Blind Carrier Frequency Offset Estimation for MIMO OFDMA Uplink.
GLOBECOM
Weile Zhang, Hongyang Chen, Qinye Yin, Tomoaki Ohtsuki
2011 — conf
Codebook Based Interference Mitigation with Base Station Cooperation in Multi-Cell Cellular Network.
VTC Fall
Prasertsak Charoen, Tomoaki Ohtsuki
2011 B conf
Development of MMSE Macro-Diversity Receiver with Delay Difference Correction Technique.
GLOBECOM
Kazuhiko Mitsuyama, Tetsuomi Ikeda, Tomoaki Ohtsuki
2011 — conf
Distributed Angle Estimation for Wireless Sensor Network Localization with Multipath Fading.
ICC
Weile Zhang, Qinye Yin, Hongyang Chen, Wenjie Wang, Tomoaki Ohtsuki
2011 — conf
Frequency Band Allocation in MIMO System Based on Received Power Difference among Users.
VTC Spring
Hironori Kizuka, Koichi Adachi, Tomoaki Ohtsuki
2011 — conf
Internal Threats Avoiding Based Forwarding Protocol in Social Selfish Delay Tolerant Networks.
ICC
Xin Guan, Cong Liu, Min Chen, Hongyang Chen, Tomoaki Ohtsuki
2011 J jnl
Localization using iterative angle of arrival method sharing snapshots of coherent subarrays.
EURASIP J. Adv. Signal Process.
Shun Kawakami, Tomoaki Ohtsuki
2011 — conf
Low complexity cyclostationary feature detection method to compenstate cyclostationarity-degradation by guard interval insertion.
CrownCom
Hiroyoshi Yano, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki
2011 B conf
On Physical Layer Simulation Model for 6-Axis Sensor Assisted VLC Based Positioning System.
GLOBECOM
Chinnapat Sertthin, Takeo Fujii, Osamu Takyu, Yohtaro Umeda, Tomoaki Ohtsuki
2011 — conf
Orthogonal Beamforming Using Gram-Schmidt Orthogonalization for Multi-User MIMO Downlink System.
VTC Spring
Kunitaka Matsumura, Tomoaki Ohtsuki
2011 J jnl
Orthogonal beamforming using Gram-Schmidt orthogonalization for multi-user MIMO downlink system.
EURASIP J. Wirel. Commun. Netw.
Kunitaka Matsumura, Tomoaki Ohtsuki
2011 — conf
Phase Rotation Sequence Selection Method for IFDMA with DDCE.
VTC Spring
Kazunori Yamamoto, Koichi Adachi, Tomoaki Ohtsuki
2011 J jnl
Robust DOA Estimation for Uncorrelated and Coherent Signals.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hui Chen, Qun Wan, Hongyang Chen, Tomoaki Ohtsuki
2011 J jnl
Subcarrier Mapping for Single-User SC-FDMA Relay Communications.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yu Hemmi, Koichi Adachi, Tomoaki Ohtsuki
2011 B conf
Trajectory Optimization of Packet Ferries in Sparse Mobile Social Networks.
GLOBECOM
Xin Guan, Min Chen, Cong Liu, Hongyang Chen, Tomoaki Ohtsuki
2011 B conf
Transmit and Receive Weights in Vector Coding with Channel Estimation Error and Feedback Delay.
GLOBECOM
Kyohei Takano, Koichi Adachi, Tomoaki Ohtsuki
2010 J jnl
6-Axis Sensor Assisted Low Complexity High Accuracy-Visible Light Communication Based Indoor Positioning System.
IEICE Trans. Commun.
Chinnapat Sertthin, Tomoaki Ohtsuki, Masao Nakagawa
2010 B conf
A Novel Capacity Outer Bound for the MIMO Gaussian Interference Channel and Application to Relay-Assisted Communications.
GLOBECOM
Oussama Souihli, Tomoaki Ohtsuki
2010 J jnl
A new load balancing and data collection algorithm for energy saving in wireless sensor networks.
Telecommun. Syst.
Xin Guan, Lin Guan, Xin Gang Wang, Tomoaki Ohtsuki
2010 J jnl
Algorithms, Protocols and Future Applications of Wireless Sensor Networks.
Comput. J.
You-Chiun Wang, Tomoaki Ohtsuki, Athanasios V. Vasilakos, Ashutosh Sabharwal, Yuh-Shyan Chen, Yu-Chee Tseng
2010 — conf
Extrinsic Information Setting for Belief Propagation Decoding with Network Coding.
VTC Spring
Naohiro Tsuji, Tomoaki Ohtsuki
2010 — conf
Half-Duplex Relaying with Serially-Concatenated Low-Density Generator Matrix (SCLDGM) Codes.
VTC Spring
Yusuke Kumano, Tomoaki Ohtsuki
2010 J jnl
Half-duplex relaying with serially concatenated low-density generator matrix (SCLDGM) codes.
Phys. Commun.
Yusuke Kumano, Tomoaki Ohtsuki
2010 — conf
Initial LLR Setting for Belief Propagation Decoding in Relay System.
ICC
Naohiro Tsuji, Tomoaki Ohtsuki
2010 J jnl
Joint feedback and scheduling scheme for service-differentiated multiuser MIMO systems.
IEEE Trans. Wirel. Commun.
Oussama Souihli, Tomoaki Ohtsuki
2010 J jnl
Multi-Band Received Signal Strength Fingerprinting Based Indoor Location System.
IEICE Trans. Commun.
Chinnapat Sertthin, Takeo Fujii, Tomoaki Ohtsuki, Masao Nakagawa
2010 — conf
Network MIMO in the Presence of Transmit Desynchronization.
ICC
Oussama Souihli, Tomoaki Ohtsuki
2010 J jnl
Performance Evaluation of Iterative LDPC-Coded MIMO OFDM System with Time Interleaving.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kazuhiko Mitsuyama, Kohei Kambara, Takayuki Nakagawa, Tetsuomi Ikeda, Tomoaki Ohtsuki
2010 — conf
Performance evaluation of iterative LDPC-coded MIMO OFDM system with time interleaving in mobile line-of-sight environments.
WSA
Kazuhiko Mitsuyama, Kohei Kambara, Takayuki Nakagawa, Tetsuomi Ikeda, Tomoaki Ohtsuki
2010 — conf
Resolution Improvement of Wideband Direction-of-Arrival Estimation "Squared-TOPS".
ICC
Kazuki Okane, Tomoaki Ohtsuki
2010 — conf
The MIMO Relay Channel in the Presence of Keyhole Effects.
ICC
Oussama Souihli, Tomoaki Ohtsuki
2010 — conf
Transparent Inband Feedback for Training-Based MIMO Systems.
VTC Spring
Oussama Souihli, Tomoaki Ohtsuki
2009 B conf
A Localization Algorithm for Nonuniform Propagation Environments in Sensor Networks.
ICCCN
Noriaki Kitakoga, Tomoaki Ohtsuki
2009 B conf
A Novel Routing Algorithm Based on Ant Colony System for Wireless Sensor Networks.
ICCCN
Xin Guan, Lin Guan, Xin Gang Wang, Tomoaki Ohtsuki
2009 J jnl
An Improved User Selection Algorithm in Multiuser MIMO Broadcast with Channel Prediction.
IEICE Trans. Commun.
Zhi Min, Tomoaki Ohtsuki
2009 B conf
An improved user selection algorithm in multiuser MIMO broadcast.
PIMRC
Zhi Min, Tomoaki Ohtsuki
2009 B conf
Cooperative Diversity Can Mitigate Keyhole Effects in Wireless MIMO Systems.
GLOBECOM
Oussama Souihli, Tomoaki Ohtsuki
2009 J jnl
Indoor Event Detection with Eigenvector Spanning Signal Subspace for Home or Office Security.
IEICE Trans. Commun.
Shohei Ikeda, Hiroyuki Tsuji, Tomoaki Ohtsuki
2009 B conf
Initial LLR setting for belief propagation decoding with network coding.
PIMRC
Naohiro Tsuji, Tomoaki Ohtsuki
2009 — conf
Joint Feedback and Scheduling Scheme for Service- Differentiated Multiuser MIMO Systems.
VTC Fall
Oussama Souihli, Tomoaki Ohtsuki
2009 B conf
Performance of turbo equalized double window cancellation and combining in large delay spread channels.
PIMRC
Junhwan Lee, Tomoaki Ohtsuki, Masao Nakagawa
2009 J jnl
Random Beamforming Using Iterative Power Allocation with Small Feedback Information and Low Latency.
IEICE Trans. Commun.
Yuki Tsuchiya, Tomoaki Ohtsuki
2009 B conf
Signal-subspace-partition event filtering for eigenvector-based security system using radio waves.
PIMRC
Shohei Ikeda, Tomoaki Ohtsuki, Hiroyuki Tsuji
2009 — conf
The Two-Way MIMO Wire-Tap Channel.
ICC
Oussama Souihli, Tomoaki Ohtsuki
2009 J jnl
Turbo Equalized Double Window Cancellation and Combining Robust to Large Delay Spread Channel.
IEICE Trans. Commun.
Junhwan Lee, Tomoaki Ohtsuki, Masao Nakagawa
2008 — conf
A Random Beamforming Technique in Multiuser Multi-Antenna OFDM Systems For Large System Capacity and Fairness Among Users.
VTC Fall
Yoshitaka Eriguchi, Tomoaki Ohtsuki
2008 J jnl
Convergence Acceleration of Iterative Signal Detection for MIMO System with Belief Propagation.
IEICE Trans. Commun.
Satoshi Gounai, Tomoaki Ohtsuki
2008 — conf
Indoor Event Detection with Eigenvector Spanning Signal Subspace for Home or Office Security.
VTC Fall
Shohei Ikeda, Hiroyuki Tsuji, Tomoaki Ohtsuki
2008 B conf
Low Complexity Localization Algorithm Based on NLOS Node Identification Using Minimum Subset for NLOS Environments.
GLOBECOM
Takahiro Fujita, Tomoaki Ohtsuki
2008 J jnl
MIMO System with Relative Phase Difference Time-Shift Modulation for Rician Fading Environment.
IEICE Trans. Commun.
Kenichi Kobayashi, Takao Someya, Tomoaki Ohtsuki, Sigit P. W. Jarot, Tsuyoshi Kashima
2008 — conf
MIMO System with Relative Phase Difference Time-Shift Modulation in Rician Fading Environments.
ICC
Kenichi Kobayashi, Takao Someya, Tomoaki Ohtsuki, Sigit P. W. Jarot, Tsuyoshi Kashima
2008 J jnl
MIMO Systems in the Presence of Feedback Delay.
IEICE Trans. Commun.
Kenichi Kobayashi, Tomoaki Ohtsuki, Toshinobu Kaneko
2008 J jnl
Mapping for Iterative MMSE-SIC with Belief Propagation.
IEICE Trans. Commun.
Satoshi Gounai, Tomoaki Ohtsuki, Toshinobu Kaneko
2008 — conf
RSS-Based Localization in Environments with Different Path Loss Exponent for Each Link.
VTC Spring
Junichi Shirahama, Tomoaki Ohtsuki
2008 J jnl
Scheduling Algorithm with Power Allocation for Random Unitary Beamforming.
IEICE Trans. Commun.
Yuki Tsuchiya, Tomoaki Ohtsuki, Toshinobu Kaneko
2007 — conf
Codes with Low Peak-to-Average Power Ratio for Multi-Code CDMA.
FGCN (1)
Jianqin Zhou, Zhenfei Xie, Tomoaki Ohtsuki
2007 J jnl
Double Window Cancellation and Combining for OFDM in Time-Invariant Large Delay Spread Channel.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Junhwan Lee, Yoshihisa Kishiyama, Tomoaki Ohtsuki, Masao Nakagawa
2007 J jnl
LDPC Codes in Communications and Broadcasting.
IEICE Trans. Commun.
Tomoaki Ohtsuki
2007 — conf
LLR Based Iterative Reduced-Complexity MLD Algorithm with Parallel Interference Cancellation (PIC) in MIMO Systems.
VTC Spring
Katsunari Honjo, Tomoaki Ohtsuki
2007 B conf
Low Computational Complexity 2-Dimensional Pilot-Symbol-Assisted (2-D PSA) MMSE Channel Estimation with Extended Estimation Size for MIMO-OFDM Systems.
WCNC
Yoshitaka Eriguchi, Tomoaki Ohtsuki, Toshinobu Kaneko
2007 J jnl
Lowering the Error Floors of Irregular LDPC Code on Fast Fading Environment with Perfect and Imperfect CSIs.
IEICE Trans. Commun.
Satoshi Gounai, Tomoaki Ohtsuki, Toshinobu Kaneko
2007 — conf
Mapping for Iterative MMSE-SIC with Belief Propagation.
ICC
Satoshi Gounai, Tomoaki Ohtsuki
2007 — conf
MultiBand-OFDM System with Concatenated Coding Scheme.
VTC Spring
Hiroyuki Sato, Tomoaki Ohtsuki, Tsuyoshi Kashima, Sigit P. W. Jarot
2007 — conf
Optical Wireless MIMO (OMIMO) with Backward Spatial Filter (BSF) in Diffuse Channels.
ICC
Daisuke Takase, Tomoaki Ohtsuki
2007 J jnl
Performance Evaluation of SAGE Algorithm for Channel Estimation and Data Detection Using Superimposed Training in MIMO System.
IEICE Trans. Commun.
Fumiaki Tsuzuki, Tomoaki Ohtsuki
2007 B conf
Precoding for MIMO Systems in Line-Of-Sight (LOS) Environment.
GLOBECOM
Kenichi Kobayashi, Tomoaki Ohtsuki, Toshinobu Kaneko
2007 — conf
Random Beamforming Using Low Feedback and Low Latency Power Allocation.
VTC Fall
Yuki Tsuchiya, Tomoaki Ohtsuki, Toshinobu Kaneko
2007 — conf
Scheduling Algorithm with Power Allocation for Random Unitary Beamforming.
VTC Spring
Yuki Tsuchiya, Tomoaki Ohtsuki, Toshinobu Kaneko
2007 — conf
Size Compatible (SC)-Array LDPC Codes.
VTC Fall
Daisuke Abematsu, Tomoaki Ohtsuki, Sigit P. W. Jarot, Tsuyoshi Kashima
2007 — conf
Throughput Maximization Transmission Control Scheme Using Precoding for MIMO Systems.
ICC
Kenichi Kobayashi, Tomoaki Ohtsuki, Toshinobu Kaneko
2006 J jnl
A Sign Selection Method of Orthogonal Variable Spreading Factor Code for Peak Power Reduction in Multi-Rate OFCDM Systems.
IEICE Trans. Commun.
Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa
2006 J jnl
Bootstrapped Modified Weighted Bit Flipping Decoding of Low Density Parity Check Codes.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yoichi Inaba, Tomoaki Ohtsuki
2006 J jnl
Channel Estimation with Selective Superimposed Pilot Sequences under Fast Fading Environments.
IEICE Trans. Commun.
Fumiaki Tsuzuki, Tomoaki Ohtsuki
2006 J jnl
Chip-Level Detection in Optical Frequency Hopping Code Division Multiple Access.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Shoji Ichiki, Tomoaki Ohtsuki
2006 J jnl
Companding System Based on Time Clustering for Reducing Peak Power of OFDM Symbol in Wireless Communications.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa
2006 J jnl
Computational Complexity Reduction of MLD Based on SINR in MIMO Spatial Multiplexing Systems.
IEICE Trans. Commun.
Katsunari Honjo, Tomoaki Ohtsuki
2006 B conf
Convergence Acceleration of Iterative Signal Detection for MIMO System with Belief Propagation.
GLOBECOM
Satoshi Gounai, Tomoaki Ohtsuki
2006 — conf
Distributed EM Algorithms for Acoustic Source Localization in Sensor Networks.
VTC Fall
Noriaki Kitakoga, Tomoaki Ohtsuki
2006 C conf
Estimation Method of False Alarm Probability and Observation Noise Variance in Wireless Sensor Networks.
FUSION
Takahiro Fujita, Tomoaki Ohtsuki, Toshinobu Kaneko
2006 J jnl
Lowering Error Floor of Irregular LDPC Codes by CRC and OSD Algorithm.
IEICE Trans. Commun.
Satoshi Gounai, Tomoaki Ohtsuki
2006 — conf
MIMO Systems in the Presence of Feedback Delay.
ICC
Kenichi Kobayashi, Tomoaki Ohtsuki, Toshinobu Kaneko
2006 — conf
MMSE Precoder with Mode Selection for MIMO Systems.
VTC Fall
Kenichi Kobayashi, Tomoaki Ohtsuki, Toshinobu Kaneko
2006 — conf
Method of Reducing Search Area for Localization in Sensor Networks.
VTC Spring
Junichi Shirahama, Tomoaki Ohtsuki, Toshinobu Kaneko
2006 — conf
Modified Belief Propagation Decoding Algorithm for Low-Density Parity Check Code Based on Oscillation.
VTC Spring
Satoshi Gounai, Tomoaki Ohtsuki, Toshinobu Kaneko
2006 — conf
Performance Analysis of LDPC Code with Spatial Diversity.
VTC Fall
Satoshi Gounai, Tomoaki Ohtsuki
2006 J jnl
Performance Analysis of Statistical STBC Cooperative Diversity Using Binary Sensors with Observation Noise.
IEICE Trans. Commun.
Tomoaki Ohtsuki
2006 B conf
Performance Evaluation of Layered Space-Frequency Equalization with Iterative Cancellation.
PIMRC
Amane Inoue, Tomoaki Ohtsuki
2006 — conf
Performance of Concatenated Code with LDPC Code and RSC Code.
ICC
Satoshi Gounai, Tomoaki Ohtsuki, Toshinobu Kaneko
2006 J jnl
Reliability-Based Hybrid ARQ (RB-HARQ) Schemes Using Low-Density Parity-Check (LDPC) Codes.
IEICE Trans. Commun.
Yoichi Inaba, Tomonori Saito, Tomoaki Ohtsuki
2006 B conf
Reliability-Based Hybrid ARQ (RB-HARQ) Schemes using Low-Density Parity-Check (LDPC) Codes.
GLOBECOM
Yoichi Inaba, Tomonori Saito, Tomoaki Ohtsuki
2006 B conf
SAGE Algorithm for Channel Estimation and Data Detection Using Superimposed Training in MIMO System.
GLOBECOM
Fumiaki Tsuzuki, Tomoaki Ohtsuki
2006 J jnl
Spatial Multiplexing in Optical Wireless MIMO Communications Over Indoor Environment.
IEICE Trans. Commun.
Daisuke Takase, Tomoaki Ohtsuki
2005 B conf
Channel estimation and data detection with tracking channel variation in MIMO system using ZF-based SAGE algorithm.
GLOBECOM
Takao Someya, Tomoaki Ohtsuki
2005 J jnl
Computational Complexity and Performance of RAKE Receivers with Channel Estimation for DS-UWB.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiroyuki Sato, Tomoaki Ohtsuki
2005 J jnl
Criterion for Reducing Error Rate Degradation by Nonlinear Amplifier for Multicarrier Transmission.
IEICE Trans. Commun.
Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa
2005 J jnl
Decoding Algorithms Based on Oscillation for Low-Density Parity Check Codes.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Satoshi Gounai, Tomoaki Ohtsuki
2005 — conf
Low complexity source localization algorithms in sensor networks.
PE-WASUN
Junichi Shirahama, Tomoaki Ohtsuki, Toshinobu Kaneko
2005 J jnl
Multiple-subcarrier optical communication systems with subcarrier signal-point sequence.
IEEE Trans. Commun.
Shota Teramoto, Tomoaki Ohtsuki
2005 J jnl
Optical Wireless Sensor Network System Using Corner Cube Retroreflectors.
EURASIP J. Wirel. Commun. Netw.
Shota Teramoto, Tomoaki Ohtsuki
2005 J jnl
Parallel combinatory multiple-subcarrier optical wireless communication systems.
Int. J. Commun. Syst.
Norio Kitamoto, Tomoaki Ohtsuki
2005 — conf
Performance analysis of optical wireless MIMO with optical beat interference.
ICC
Daisuke Takase, Tomoaki Ohtsuki
2005 J jnl
Pre-Rake Diversity Combining for UWB Systems in IEEE 802.15 UWB Multipath Channel.
IEICE Trans. Commun.
Shunsuke Imada, Tomoaki Ohtsuki
2005 J jnl
Rake Performance for UWB-IR System with SISO and MISO.
IEICE Trans. Commun.
Takahiro Ezaki, Tomoaki Ohtsuki
2005 J jnl
Throughput Maximization Transmission Control Scheme for MIMO Systems.
IEICE Trans. Commun.
Kenji Suto, Yoshitaka Hara, Tomoaki Ohtsuki, Yoshikazu Takei
2005 B conf
Throughput maximization transmission control scheme using channel prediction for MIMO systems.
GLOBECOM
Yoshikazu Takei, Tomoaki Ohtsuki
2005 B conf
Uplink Pre-Equalization Using MMSE Prediction for TDDIMC-CDMA Systems.
PIMRC
Yoshikazu Takei, Tomoaki Ohtsuki
2005 B conf
Wireless sensor networks with local fusion.
GLOBECOM
Hiroshi Yamamoto, Tomoaki Ohtsuki
2004 B conf
Companding system with time clustering.
PIMRC
Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa
2004 — conf
Computational complexity reduction of MLD based on SINR in MIMO spatial multiplexing systems.
VTC Fall (2)
Katsunari Honjo, Tomoaki Ohtsuki
2004 B conf
Optical wireless MIMO communications (OMIMO).
GLOBECOM
Daisuke Takase, Tomoaki Ohtsuki
2004 B conf
Optical wireless sensor network system using corner cube retroreflectors (CCRs).
GLOBECOM
Shota Teramoto, Tomoaki Ohtsuki
2004 B conf
Performance analysis and code design of low-density parity-check (LDPC) coded space-time transmit diversity (STTD) system.
GLOBECOM
Akinori Ohhashi, Tomoaki Ohtsuki
2004 — conf
Performance analysis of atmospheric optical subcarrier multiplexing systems and atmospheric optical code division multiplexing systems.
ICC
Kenji Wakafuji, Tomoaki Ohtsuki
2004 B conf
Performance analysis of multibits/sequence-period optical CDMA receiver with double optical hardlimiters.
GLOBECOM
Kenji Wakafuji, Tomoaki Ohtsuki
2004 B conf
Performance evaluation of UWB-IR and DS-UWB with MMSE-frequency domain equalization (FDE).
GLOBECOM
Yoshiyuki Ishiyama, Tomoaki Ohtsuki
2004 — conf
Performance evaluation of adaptive internally turbo coded ultra wideband-impulse radio (AITC-UWB-IR) in multipath channels.
VTC Fall (2)
Shintaro Yoshida, Tomoaki Ohtsuki
2004 — conf
Performance evaluation of space hopping ultra wideband impulse radio (SH-UWB-IR) system.
ICC
Takahiro Ezaki, Tomoaki Ohtsuki
2004 B conf
Performance factors for space-time trellis codes in block fading channels.
PIMRC
Amane Inoue, Tomoaki Ohtsuki
2004 B conf
SAGE algorithm for channel estimation and data detection with tracking the channel variation in MIMO system.
GLOBECOM
Takao Someya, Tomoaki Ohtsuki
2004 B conf
Space-time trellis coded OFDM system with added pilot semi-blind iterative channel estimation.
GLOBECOM
Naoto Ohkubo, Tomoaki Ohtsuki
2003 — conf
Adaptive intemally turbo-coded ultra wideband-impulse radio (AITC-UWB-IR) system.
ICC
Naotake Yamamoto, Tomoaki Ohtsuki
2003 B conf
Added pilot semiblind iterative channel estimation for OFDM packet transmission.
GLOBECOM
Naoto Ohkubo, Tomoaki Ohtsuki
2003 B conf
Atmospheric optical subcarrier modulation systems using space-time block code.
GLOBECOM
Hiroshi Yamamoto, Tomoaki Ohtsuki
2003 B conf
Direct-detection optical CDMA receiver with interference estimation and double optical hardlimiters.
GLOBECOM
Kenji Wakafuji, Tomoaki Ohtsuki
2003 — conf
Frequency offset compensation with MMSE-MUD for multi-carrier CDMA in quasi-synchronous uplink.
ICC
Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa
2003 J jnl
Multibits/Sequence-Period Optical CDMA Receiver with Double Optical Hardlimiters.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kenji Wakafuji, Tomoaki Ohtsuki
2003 J jnl
Multiple-subcarrier modulation in optical wireless communications.
IEEE Commun. Mag.
Tomoaki Ohtsuki
2003 B conf
Multiple-subcarrier optical communication systems with peak reduction carriers.
GLOBECOM
Shota Teramoto, Tomoaki Ohtsuki
2002 B conf
Improved design criteria and new trellis codes on space-time trellis coded modulation in fast fading channels.
GLOBECOM
Yukihiro Sasazaki, Tomoaki Ohtsuki
2002 — conf
Low-density parity-check (LDPC) coded OFDM systems with M-PSK.
VTC Spring
Hisashi Futaki, Tomoaki Ohtsuki
2002 B conf
Multiple subcarrier modulation for infrared wireless systems using punctured convolutional codes and variable amplitude block codes.
GLOBECOM
Hiroe Yamaguchi, Tomoaki Ohtsuki, Iwao Sasase
2002 B conf
Multiple-subcarrier optical communication systems with subcarrier signal point sequence.
GLOBECOM
Shota Teramoto, Tomoaki Ohtsuki
2002 B conf
Parallel combinatory multiple-subcarrier optical communication systems.
PIMRC
Norio Kitamoto, Tomoaki Ohtsuki
2002 — conf
Performance analysis of atmospheric optical CDMA systems.
ICC
Tomoaki Ohtsuki
2002 — conf
Performance of low-density parity-check (LDPC) coded OFDM systems.
ICC
Hisashi Futaki, Tomoaki Ohtsuki
2002 B conf
SOVA-based iterative decoding of turbo coded OOK and turbo coded BPPM.
PIMRC
Naotake Yamamoto, Tomoaki Ohtsuki
2002 — conf
Turbo-coded atmospheric optical communication systems.
ICC
Tomoaki Ohtsuki
2001 — conf
An OFDM system with modified predistorter and MLS.
VTC Fall
Hideo Yoshimi, Tomoaki Ohtsuki
2001 — conf
Equalization for infrared wireless systems using OOK-CDMA.
ICC
Hiroe Yamaguchi, Ryoko Matsuo, Tomoaki Ohtsuki, Iwao Sasase
2001 B conf
Iterative MAP decoding of turbo coded OOK and turbo coded BPPM.
GLOBECOM
Naotake Yamamoto, Tomoaki Ohtsuki
2001 — conf
Low-density parity-check (LDPC) coded OFDM systems.
VTC Fall
Hisashi Futaki, Tomoaki Ohtsuki
2001 — conf
Performance analysis of indoor infrared wireless systems using PPM CDMA with linealizer with dead-zone and PPM CDMA with hard-limiter on diffuse channels.
ICC
Ryoko Matsuo, Tomoaki Ohtsuki, Iwao Sasase
2001 — conf
Performance evaluation of OFDM with the compensation technique of the nonlinear distortion using partial transmit sequence and predistortion.
VTC Fall
Takaaki Horiuchi, Weizu Yang, Tomoaki Ohtsuki, Iwao Sasase
2000 B conf
Direct-detection optical synchronous CDMA systems with interference canceller using group information codes.
GLOBECOM
Hiroshi Sawagashira, Katsuhiro Kamakura, Tomoaki Ohtsuki, Iwao Sasase
2000 B conf
Performance analysis of linear binary block coded optical PPM CDMA systems with soft-decision decoding.
GLOBECOM
Tomoaki Ohtsuki, Toshinobu Kaneko, Joseph M. Kahn
2000 J jnl
Rate-adaptive indoor infrared wireless communication systems using repeated and punctured convolutional codes.
IEEE Commun. Lett.
Tomoaki Ohtsuki
2000 — conf
Transfer Function Bounds on Performance of Binary Turbo-Coding Followed by
ICC (2)
Tomoaki Ohtsuki, Joseph M. Kahn
2000 — conf
Turbo-Coed Optical PPM CDMA Systems.
ICC (2)
Tomoaki Ohtsuki, Joseph M. Kahn
1999 — conf
Rate adaptive indoor infrared wireless communication systems using repeated and punctured convolutional codes.
ICC
Tomoaki Ohtsuki
1998 B conf
Rate-adaptive indoor infrared wireless communication systems using punctured convolutional codes and adaptive PPM.
PIMRC
Michihito Matsuo, Tomoaki Ohtsuki, Iwao Sasase
1997 — conf
Channel Interference Cancellation using Electrooptic Switch and Optical Hard-Limiters for Direct-Detection Optical CDMA Systems.
ICC (1)
Tomoaki Ohtsuki
1997 — conf
Performance Analysis of Direct-Detection Optical Asynchronous CDMA Systems with Double Optical Hard-Limiters.
ICC (1)
Tomoaki Ohtsuki
1997 B conf
Viterbi decoding differential detection with space diversity for 16DAPSK on Rayleigh fading channels.
PIMRC
Tomoaki Ohtsuki
1996 J jnl
Direct-Detection Optical Synchronous CDMA Systems with Double Optical Hard-Limiters Using Modified Prime Sequence Codes.
IEEE J. Sel. Areas Commun.
Tomoaki Ohtsuki, Kazumi Sato, Iwao Sasase, Shinsaku Mori