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ORCIDTomoaki Ohtsuki
Person information
- affiliation: Keio University, Department of Information and Computer Science, Yokohama, Japan
- affiliation (1995 - 2005): Tokyo University of Science, Noda, Japan
- affiliation (PhD 1994): Keio University, Yokohama, Japan
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2020 – today
- 2026
[j226]Lu Wang
, Bailiang Sun, Chunhui Zhao, Suleman Mazhar, Tomoaki Ohtsuki, P. Takis Mathiopoulos, Fumiyuki Adachi:
SAR image change detection based on saliency region guidance and SIFT keypoint extraction. Pattern Recognit. 172: 112471 (2026)- 2025
- [j225]Hiroki Hirose, Siyuan Yang, Tomoaki Ohtsuki, Mondher Bouazizi:
Deep Learning-Based Channel Estimation to Mitigate Channel Aging in Massive MIMO With Pilot Contamination. IEEE Access 13: 1834-1845 (2025) - [j224]Chuheng Zheng, Mondher Bouazizi, Taichi Okunishi, Tomoaki Ohtsuki, Momoko Kitazawa, Toshiro Horigome, Taishiro Kishimoto:
Face Mesh for Dementia Detection: Evaluating Data Augmentation in Deep Learning and Traditional Machine Learning. IEEE Access 13: 104501-104520 (2025) - [j223]Mondher Bouazizi, Siyuan Yang, Zhaojie Li, Yue Yin, Tomoaki Ohtsuki:
Reinforcement Learning With Clustering Optimization for Antenna Parameter Adjustment in HAPS Networks. IEEE Access 13: 172062-172079 (2025) - [j222]Xiongjie Zhou, Xin Guan, Di Sun, Xiaoguang Zhang, Zhaogong Zhang, Tomoaki Ohtsuki:
Heterogeneous multi-agent deep reinforcement learning based low carbon emission task offloading in mobile edge computing. Comput. Commun. 234: 108089 (2025) - [j221]Fucheng Miao, Youxiang Huang, Zhiyi Lu, Tomoaki Ohtsuki, Guan Gui, Hikmet Sari:
Wi-Fi Sensing Techniques for Human Activity Recognition: Brief Survey, Potential Challenges, and Research Directions. ACM Comput. Surv. 57(5): 107:1-107:30 (2025) - [j220]Xiang Meng, Mondher Bouazizi, Zhaojie Li, Tomoaki Ohtsuki:
Indoor Human Activity Recognition Using Multiple Dynamic Nonlinear Mapping Applied to 3-D LiDAR-Collected Data. IEEE Internet Things J. 12(11): 16797-16812 (2025) - [j219]Zhangcheng Hou, Tomoaki Ohtsuki:
Loss-Adapter: Addressing Network Packet Loss in Distributed Inference for Lossy IoT Environments. IEEE Internet Things J. 12(12): 22048-22057 (2025) - [j218]Zhengran He, Mondher Bouazizi, Guan Gui, Tomoaki Ohtsuki:
A Cross-Subject Transfer Learning Method for CSI-Based Wireless Sensing. IEEE Internet Things J. 12(13): 23946-23960 (2025) - [j217]Zhengran He, Mondher Bouazizi, Yue Yin, Guan Gui, Tomoaki Ohtsuki:
Robust Cross-Scenario WiFi Wireless Sensing Using Incremental Learning and Elastic Weight Consolidation Loss. IEEE Internet Things J. 12(13): 24288-24299 (2025) - [j216]Siyuan Yang, Tomoaki Ohtsuki, Xueqin Jiang:
Joint Angle-Based User Selection and Multiagent Reinforcement Learning for Dynamic Beamforming in HAPS-Assisted IoT Vehicular Networks. IEEE Internet Things J. 12(14): 27075-27083 (2025) - [j215]Wei Dai, Siyuan Yang, Yue Yin, Mondher Bouazizi, Tomoaki Ohtsuki:
A Clustering-Aided Optimization Algorithm for Antenna Beamforming in Multicell HAPS Systems. IEEE Internet Things J. 12(15): 30168-30184 (2025) - [j214]Chenchen Liu, Fucheng Miao, Yiting Chen, Jiangbo Wu, Hong Wan, Tiantian Tang, Tomoaki Ohtsuki, Guan Gui, Hikmet Sari:
Lightweight CSI-Based Human Activity Recognition for Multitask IoT Applications. IEEE Internet Things J. 12(17): 35817-35827 (2025) - [j213]Yuwen Cao, Guijun Liu, Tomoaki Ohtsuki, Howard H. Yang, Tony Q. S. Quek:
Distributed Gossip-GAN for Low-Overhead CSI Feedback Training in FDD mMIMO-OFDM Systems. IEEE Internet Things J. 12(19): 40176-40189 (2025) - [j212]Chunhui Zhao, Kaiyu Li, Lu Wang, Tomoaki Ohtsuki, Fumiyuki Adachi:
A Rapid SAR Image Simulation Method for Ship Wakes Coupled With Sea Waves Using Fluid Velocity Potential. IEEE Signal Process. Lett. 32: 271-275 (2025) - [j211]Jiahui E, Lu Wang, Chunhui Zhao, P. Takis Mathiopoulos, Tomoaki Ohtsuki, Fumiyuki Adachi:
SAR Images Change Detection Based on Attention Mechanism-Convolutional Wavelet Neural Network. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 18: 12133-12149 (2025) - [j210]Vieeralingaam Ganapathy, Ramanathan Ramachandran, Tomoaki Ohtsuki:
Improved Deep Learning Methods for Beamforming in Secure SWIPT Networks. IEEE Trans. Green Commun. Netw. 9(3): 962-976 (2025) - [j209]Xixi Zhang, Yu Wang, Tomoaki Ohtsuki, Guan Gui, Chau Yuen, Marco Di Renzo, Hikmet Sari:
Malware Traffic Classification via Expandable Class Incremental Learning With Architecture Search. IEEE Trans. Inf. Forensics Secur. 20: 6074-6085 (2025) - [j208]Taichi Okunishi, Chuheng Zheng, Mondher Bouazizi, Tomoaki Ohtsuki, Momoko Kitazawa, Toshiro Horigome, Taishiro Kishimoto:
Dementia and MCI Detection Based on Comprehensive Facial Expression Analysis From Videos During Conversation. IEEE J. Biomed. Health Informatics 29(5): 3537-3548 (2025) - [j207]Jiaxi Liu, Haitao Zhao, Peiyi Han, Guan Gui, Tomoaki Ohtsuki, Hikmet Sari, Fumiyuki Adachi:
An Ensemble Learning-Based Fault Detection Method for Vehicular Ad Hoc Networks in Intelligent Transportation Systems. IEEE Trans. Veh. Technol. 74(3): 5114-5124 (2025) - [j206]Ruiheng Li, Zhisheng Yao, Yu Wang, Yun Lin, Tomoaki Ohtsuki, Guan Gui, Hikmet Sari:
Behavioral Modeling of Power Amplifiers Leveraging Multi-Channel Convolutional Long Short-Term Deep Neural Network. IEEE Trans. Veh. Technol. 74(7): 11456-11460 (2025) - [j205]Xiongjie Zhou, Xin Guan, Ning Wang, Hongyang Chen, Tomoaki Ohtsuki, Yan Zhang, Zhu Han:
Large Model Empowered Task Offloading for Multi- Access Edge Computing in the Internet of Vehicles. IEEE Trans. Veh. Technol. 74(11): 18012-18025 (2025) - [j204]Yu Wang, Tomoaki Ohtsuki, Zhi Sun, Dusit Niyato, Xianbin Wang, Guan Gui:
Avoiding Shortcuts: Enhancing Channel-Robust Specific Emitter Identification via Single-Source Domain Generalization. IEEE Trans. Wirel. Commun. 24(4): 3163-3176 (2025) - [j203]Guijun Liu, Yuwen Cao, Tomoaki Ohtsuki, Tony Q. S. Quek:
Self-Supervised Learning Enhanced Channel Estimation in Massive MIMO System With Low-Resolution ADCs. IEEE Wirel. Commun. Lett. 14(7): 2209-2213 (2025) - [c361]Ryosuke Oba, Chuheng Zheng, Wataru Akahori, Masanori Yamada, Miki Yokoyama, Masakuni Ishii, Tomoaki Ohtsuki:
Correlation Analysis of Objective Features and Online Meeting Quality. HCI (40) 2025: 172-183 - [c360]Sara Nakatani, Mondher Bouazizi, Tomoaki Ohtsuki:
A Novel MIMO FMCW Radar-Based Approach for Heart Rate Estimation Using Positional Feature Selection. ICC 2025: 1-6 - [c359]Yuwen Cao, Wenqin Lu, Tomoaki Ohtsuki, Setareh Maghsudi, Xueqin Jiang, Charalampos C. Tsimenidis:
Memristor-Based Meta-Learning for Fast mmWave Beam Prediction in Non-Stationary Environments. ICC 2025: 1262-1267 - [c358]Tatsuya Mori, Tomoaki Ohtsuki, Miao Pan, Zhu Han:
Beamforming and Trajectory Planning Method Under Fixed-Footprint Conditions for Multi-HAPS Systems. ICC 2025: 2236-2241 - [c357]Xiang Meng, Mondher Bouazizi, Tomoaki Ohtsuki:
Stress Detection Through Eye Tracking Incorporating Custom Lasso Stress Index. ICC 2025: 3174-3179 - [c356]Zhangcheng Hou, Tomoaki Ohtsuki:
A Plug-and-Play Module for Enhancing Fault-Tolerant Distributed Inference Based on Gaussian Dropout. ICC 2025: 4553-4558 - [c355]Liu Jingyu, Mondher Bouazizi, Tomoaki Ohtsuki:
Source Channel Model Selection for Downlink CSI Feedback Estimation using Transfer Learning in Massive MIMO System. ICNC 2025: 276-281 - [c354]Chuheng Zheng, Mondher Bouazizi, Tomoaki Ohtsuki, Momoko Kitazawa, Toshiro Horigome, Taishiro Kishimoto:
Enhancing Dementia Detection: Augmenting the Face Mesh. ISBI 2025: 1-4 - [c353]Mondher Bouazizi, Riku Nagase, Yue Yin, Siyuan Yang, Tomoaki Ohtsuki:
Semantic Communication in Vehicular Networks: A Multi-Modal Approach for Faithful Image Transmission. VTC2025-Spring 2025: 1-7 - [c352]Riku Nagase, Siyuan Yang, Tomoaki Ohtsuki:
Max-Min Strategy for Handover in LEO Based Non-Terrestrial Networks. VTC2025-Spring 2025: 1-6 - [c351]Ryotai Airiyoshi, Mikio Hasegawa, Tomoaki Ohtsuki, Aohan Li:
Energy Efficient Transmission Parameters Selection Method Using Reinforcement Learning in Distributed LoRa Networks. WCNC 2025: 1-6 - [c350]Xue Fu, Francesca Meneghello, Yu Wang, Tomoaki Ohtsuki, Chau Yuen, Guan Gui, Hikmet Sari:
Channel-Robust Few-Shot Specific Emitter Identification Using Meta-Feature Augmentation. WCNC 2025: 1-6 - [i13]Yuwen Cao, Wenqin Lu, Tomoaki Ohtsuki, Setareh Maghsudi, Xueqin Jiang, Charalampos C. Tsimenidis:
Memristor-Based Meta-Learning for Fast mmWave Beam Prediction in Non-Stationary Environments. CoRR abs/2502.09244 (2025) - [i12]Liang Li, Xingke Yang, Wen Wu, Hao Wang, Tomoaki Ohtsuki, Xin Fu, Miao Pan, Xuemin Shen:
MobiLLM: Enabling LLM Fine-Tuning on the Mobile Device via Server Assisted Side Tuning. CoRR abs/2502.20421 (2025) - [i11]Anders E. Kalør, Tomoaki Ohtsuki:
Black-Box Edge AI Model Selection with Conformal Latency and Accuracy Guarantees. CoRR abs/2506.11391 (2025) - [i10]Xingke Yang, Liang Li, Zhiyi Wan, Sicong Li, Hao Wang, Xiaoqi Qin, Jiang Liu, Tomoaki Ohtsuki, Xin Fu, Miao Pan:
PAE MobiLLM: Privacy-Aware and Efficient LLM Fine-Tuning on the Mobile Device via Additive Side-Tuning. CoRR abs/2507.01216 (2025) - [i9]Yuwen Cao, Xiaowen Wu, Jiguang He, Tomoaki Ohtsuki, Tony Q. S. Quek:
Coverage and Rate Performance Analysis of Multi-RIS-Assisted Dual-Hop mmWave Networks. CoRR abs/2509.00717 (2025) - [i8]Lingfeng Yao, Chenpei Huang, Shengyao Wang, Junpei Xue, Hanqing Guo, Jiang Liu, Phone Lin, Tomoaki Ohtsuki, Miao Pan:
Yours or Mine? Overwriting Attacks against Neural Audio Watermarking. CoRR abs/2509.05835 (2025) - [i7]Yuwen Cao, Guijun Liu, Tomoaki Ohtsuki, Howard H. Yang, Tony Q. S. Quek:
Distributed Gossip-GAN for Low-overhead CSI Feedback Training in FDD mMIMO-OFDM Systems. CoRR abs/2509.10490 (2025) - [i6]Zhiqiang Xiao, Yuwen Cao, Mondher Bouazizi, Tomoaki Ohtsuki, Shahid Mumtaz:
A Deep Transfer Learning-Based Low-overhead Beam Prediction in Vehicle Communications. CoRR abs/2509.20659 (2025) - [i5]Chenpei Huang, Lingfeng Yao, Hui Zhong, Kyu In Lee, Lan Zhang, Xiaoyong Yuan, Tomoaki Ohtsuki, Miao Pan:
Who's Wearing? Ear Canal Biometric Key Extraction for User Authentication on Wireless Earbuds. CoRR abs/2510.02563 (2025) - 2024
- [j202]Zhaopeng Li, Mondher Bouazizi, Tomoaki Ohtsuki, Masakuni Ishii, Eri Nakahara:
Toward Building Trust in Machine Learning Models: Quantifying the Explainability by SHAP and References to Human Strategy. IEEE Access 12: 11010-11023 (2024) - [j201]Weirong Shao, Mondher Bouazizi, Xiang Meng, Tomoaki Ohtsuki:
People Identification in Private Car Using 3D LiDAR With Generative Image Inpainting and YOLOv5. IEEE Access 12: 38258-38274 (2024) - [j200]Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate, Tomoaki Ohtsuki:
HAPS Cell Design Method for Coverage Extension Considering Coexistence on Terrestrial Mobile Networks. IEEE Access 12: 55506-55520 (2024) - [j199]Kai Liu, Mondher Bouazizi, Zelin Xing, Tomoaki Ohtsuki:
A Comparative Study of Methods of Person Identification Using Radar-Extracted Heartbeat Signals. IEEE Access 12: 152196-152211 (2024) - [j198]Gang Pan, Xin Guan, Haiyang Jiang, Yongnan Liu, Huayang Wu, Hongyang Chen, Tomoaki Ohtsuki, Zhu Han:
Joint intelligent optimizing economic dispatch and electric vehicles charging in 5G vehicular networks. Comput. Networks 255: 110872 (2024) - [j197]Wataru Takabatake, Yohei Shibata, Kenji Hoshino, Tomoaki Ohtsuki:
Time-Efficient Neural-Network-Based Dynamic Area Optimization Algorithm for High-Altitude Platform Station Mobile Communications. Future Internet 16(9): 332 (2024) - [j196]Mondher Bouazizi, Chuheng Zheng, Siyuan Yang, Tomoaki Ohtsuki:
Dementia Detection from Speech: What If Language Models Are Not the Answer? Inf. 15(1): 2 (2024) - [j195]Minyu Hua, Yibin Zhang, Jinlong Sun, Bamidele Adebisi, Tomoaki Ohtsuki, Guan Gui, Hsiao-Chun Wu, Hikmet Sari:
Specific Emitter Identification Using Adaptive Signal Feature Embedded Knowledge Graph. IEEE Internet Things J. 11(3): 4722-4734 (2024) - [j194]Ke Xu, Xixi Zhang, Yu Wang, Tomoaki Ohtsuki, Bamidele Adebisi, Hikmet Sari, Guan Gui:
Self-Supervised Learning Malware Traffic Classification Based on Masked Autoencoder. IEEE Internet Things J. 11(10): 17330-17340 (2024) - [j193]Vieeralingaam Ganapathy, Ramanathan Ramachandran, Tomoaki Ohtsuki:
Deep Learning Methods for Secure IoT SWIPT Networks. IEEE Internet Things J. 11(11): 19657-19677 (2024) - [j192]Xiaohu Xu, Xi-Xi Zhang, Qianyun Zhang, Yu Wang, Bamidele Adebisi, Tomoaki Ohtsuki, Hikmet Sari, Guan Gui:
Advancing Malware Detection in Network Traffic With Self-Paced Class Incremental Learning. IEEE Internet Things J. 11(12): 21816-21826 (2024) - [j191]Xue Fu, Yu Wang, Yun Lin, Tomoaki Ohtsuki, Guan Gui, Hikmet Sari:
Toward Robust Open-Set Radiofrequency Signal Identification in Internet of Things Using Hypersphere Manifold Embedding. IEEE Internet Things J. 11(24): 41235-41247 (2024) - [j190]Chunhui Zhao, Haodong Liu, Lu Wang, Tomoaki Ohtsuki, Fumiyuki Adachi:
SAR Image Wake Detection Based on Pseudo-Siamese Structure and Multidomain Feature Fusion. IEEE Geosci. Remote. Sens. Lett. 21: 1-5 (2024) - [j189]Mondher Bouazizi, Alejandro Lorite Mora, Kevin Feghoul, Tomoaki Ohtsuki:
Activity Detection in Indoor Environments Using Multiple 2D Lidars. Sensors 24(2): 626 (2024) - [j188]Yuwen Cao, Setareh Maghsudi, Tomoaki Ohtsuki, Tony Q. S. Quek:
Mobility-Aware Routing and Caching in Small Cell Networks Using Federated Learning. IEEE Trans. Commun. 72(2): 815-829 (2024) - [j187]Xixi Zhang, Qin Wang, Maoyang Qin, Yu Wang, Tomoaki Ohtsuki, Bamidele Adebisi, Hikmet Sari, Guan Gui:
Enhanced Few-Shot Malware Traffic Classification via Integrating Knowledge Transfer With Neural Architecture Search. IEEE Trans. Inf. Forensics Secur. 19: 5245-5256 (2024) - [j186]Siyu Xu, Xin Guan, Yu Peng, Yang Liu, Chen Cui, Hongyang Chen, Tomoaki Ohtsuki, Zhu Han:
Deep Reinforcement Learning Based Data-Driven Mapping Mechanism of Digital Twin for Internet of Energy. IEEE Trans. Netw. Sci. Eng. 11(4): 3876-3890 (2024) - [j185]Haitao Zhao, Qing Hao, Hao Huang, Guan Gui, Tomoaki Ohtsuki, Hikmet Sari, Fumiyuki Adachi:
Online Trajectory Optimization for Energy-Efficient Cellular-Connected UAVs With Map Reconstruction. IEEE Trans. Veh. Technol. 73(3): 3445-3456 (2024) - [j184]Yu Wang, Haitao Zhao, Tomoaki Ohtsuki, Hikmet Sari, Guan Gui:
Regularized Multi-Label Learning Empowered Joint Activity Recognition and Indoor Localization With CSI Fingerprints. IEEE Trans. Wirel. Commun. 23(11): 16865-16874 (2024) - [c349]Mayuko Inoue, Tomoaki Ohtsuki:
Source CSI Dataset for Multi-Task CSI Feedback. CCNC 2024: 1042-1043 - [c348]Zelin Xing, Mondher Bouazizi, Tomoaki Ohtsuki:
Deep Learning-based Open-set Person Identification using Radar Extracted Cardiac Signals. EMBC 2024: 1-4 - [c347]Xintong Shi, Mondher Bouazizi, Tomoaki Ohtsuki:
Rough-to-Fine Model-based Non-contact Heart Rate Estimation using MIMO FMCW Radar. GLOBECOM 2024: 920-925 - [c346]Zhengran He, Mondher Bouazizi, Tomoaki Ohtsuki:
A CSI-based Cross-subject Transfer Learning Method Using Network Freezing. GLOBECOM 2024: 3515-3520 - [c345]Shengze Wang, Mondher Bouazizi, Tomoaki Ohtsuki:
Remote Inter-beat Interval Estimation: A Signal Reconstruction Approach with Multi-channel Input and Channel-Wise Attention Mechanism. HealthCom 2024: 1-6 - [c344]Miiru Mutsukawa, Xintong Shi, Tomoaki Ohtsuki:
Chirp Correction and Phase Accumulation-Linear Interpolation-Assisted ICEEMDAN-Based Heart Rate Estimation from MIMO FMCW Radar. HealthCom 2024: 1-6 - [c343]Ryota Ogasawara, Mondher Bouazizi, Tomoaki Ohtsuki:
Camera-Based Stress Detection Using Face-Related and Emotion-Related Features. HealthCom 2024: 1-6 - [c342]Xinyu Huang, Yuwen Cao, Tomoaki Ohtsuki:
Deep Sub-Image Sampling Based Defense Against Spatial-Domain Adversarial Steganography. ICASSP Workshops 2024: 383-387 - [c341]Kevin Feghoul, Mondher Bouazizi, Rayan Feghoul, Tomoaki Ohtsuki:
ECGDiff: Conditional Diffusion Model for ECG Reconstruction from Doppler Signals. ICC 2024: 232-237 - [c340]Xiang Meng, Mondher Bouazizi, Tomoaki Ohtsuki:
3D-LiDAR-Based Fall Detection by Dynamic Non-Linear Mapping with LSTM. ICC 2024: 818-823 - [c339]Yuwen Cao, Setareh Maghsudi, Tomoaki Ohtsuki:
Age-Based Federated Learning Approach to In-Network Caching: An Online Scheduling Policy. ICC 2024: 1437-1442 - [c338]Abdullah Al Masud, Xintong Shi, Mondher Bouazizi, Tomoaki Ohtsuki:
mmGAT: Pose Estimation by Graph Attention with Mutual Features from mmWave Radar Point Cloud. ICC 2024: 2161-2166 - [c337]Mayuko Inoue, Tomoaki Ohtsuki, Mondher Bouazizi:
DTL-Based CSI Feedback Combined with Continual Learning in FDD Massive MIMO Systems. ICNC 2024: 1077-1081 - [c336]Mondher Bouazizi, Tomoaki Ohtsuki:
Multi-Dimensional Representation for Semantic Communication: A New Horizon for Customized Visualization of Shared Knowledge. VTC Fall 2024: 1-6 - [c335]Mondher Bouazizi, Siyuan Yang, Tomoaki Ohtsuki:
A Low-Complexity Clustering-Aided DQN Method for Dynamic Antenna Control in HAPS. VTC Spring 2024: 1-6 - [c334]Yuwen Cao, Xiaowen Wu, Jiguang He, Tomoaki Ohtsuki:
Coverage and Rate Performance for Distributed Multi-RIS-Assisted mmWave Communications. VTC Fall 2024: 1-6 - [c333]Xue Fu, Yu Wang, Yun Lin, Qianyun Zhang, Guan Gui, Tomoaki Ohtsuki, Hikmet Sari:
Hypersphere Projection-Guided Radio Frequency Fingerprinting Authentication in the Open World. VTC Spring 2024: 1-5 - [c332]Zhaojie Li, Siyuan Yang, Yue Yin, Mondher Bouazizi, Tomoaki Ohtsuki:
Beamforming Design using UE Positions and 3D Terrain-Building in HAPS System. VTC Fall 2024: 1-7 - [c331]Yuki Saito, Mondher Bouazizi, Tomoaki Ohtsuki:
Low Complexity CSI Feedback Method Using Reformer. VTC Fall 2024: 1-6 - [c330]Ruidong Wang, Yuwen Cao, Tomoaki Ohtsuki, Jiguang He:
Cramér-Rao Lower Bound and Fairness Optimization in STAR-RIS Assisted ISAC Systems. VTC Fall 2024: 1-6 - [c329]Yue Yin, Mondher Bouazizi, Siyuan Yang, Tomoaki Ohtsuki:
Enhanced User Clustering and Pairing Scheme for NOMA-Aided UAV Networks. VTC Fall 2024: 1-5 - [c328]Yue Yin, Tomoaki Ohtsuki:
Multi-UAV-Assisted Emergency Caching Networks: UAV Location and NOMA Power Optimization. VTC Fall 2024: 1-6 - [c327]Yu Zhang, Shufei Wang, Minyu Hua, Yibin Zhang, Yu Wang, Tomoaki Ohtsuki, Hikmet Sari, Guan Gui:
Enhanced Resource Allocation in Vehicular Networks via Multi-Agent Reinforcement Learning. VTC Spring 2024: 1-5 - [c326]Junta Tachibana, Mondher Bouazizi, Tomoaki Ohtsuki:
Massive MIMO Belief Propagation Detection Using DIP with DNN-Trained Scaling Factor. WCNC 2024: 1-6 - [i4]Ryotai Airiyoshi, Mikio Hasegawa, Tomoaki Ohtsuki, Aohan Li:
Energy Efficient Transmission Parameters Selection Method Using Reinforcement Learning in Distributed LoRa Networks. CoRR abs/2410.11270 (2024) - [i3]Hui Zhong, Keyi Ju, Jiachen Shen, Xinyue Zhang, Xiaoqi Qin, Tomoaki Ohtsuki, Miao Pan, Zhu Han:
Differential Privacy Preserving Distributed Quantum Computing. CoRR abs/2412.12387 (2024) - 2023
- [j183]Koji Endo, Tomohiro Ishikawa, Kohei Yamamoto, Tomoaki Ohtsuki:
Multi-Person Position Estimation Based on Correlation Between Received Signals Using MIMO FMCW Radar. IEEE Access 11: 2610-2620 (2023) - [j182]Lu Wang, Chunhui Zhao, P. Takis Mathiopoulos, Tomoaki Ohtsuki:
Heart action monitoring from pulse signals using a growing hybrid polynomial network. Eng. Appl. Artif. Intell. 117(Part): 105584 (2023) - [j181]Siyuan Yang, Mondher Bouazizi, Tomoaki Ohtsuki, Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate:
Deep Reinforcement Learning Evolution Algorithm for Dynamic Antenna Control in Multi-Cell Configuration HAPS System. Future Internet 15(1): 34 (2023) - [j180]Tomoaki Ohtsuki:
Machine Learning in 6G Wireless Communications. IEICE Trans. Commun. 106(2): 75-83 (2023) - [j179]Renjie Zhu, Xin Guan, Jun Zheng, Ning Wang, Haiyang Jiang, Chen Cui, Tomoaki Ohtsuki:
DRL based low carbon economic dispatch by considering power transmission safety limitations in internet of energy. Internet Things 24: 100979 (2023) - [j178]Yufei Hu, Xin Guan, Benran Hu, Yongnan Liu, Hongyang Chen, Tomoaki Ohtsuki:
Distributed Feature Selection Considering Data Pricing Based on Edge Computing in Electricity Spot Markets. IEEE Internet Things J. 10(3): 2231-2244 (2023) - [j177]Ruijie Zhao, Yijun Wang, Zhi Xue, Tomoaki Ohtsuki, Bamidele Adebisi, Guan Gui:
Semisupervised Federated-Learning-Based Intrusion Detection Method for Internet of Things. IEEE Internet Things J. 10(10): 8645-8657 (2023) - [j176]Farzad H. Panahi, Fereidoun H. Panahi, Tomoaki Ohtsuki:
An Intelligent Path Planning Mechanism for Firefighting in Wireless Sensor and Actor Networks. IEEE Internet Things J. 10(11): 9646-9661 (2023) - [j175]Fereidoun H. Panahi, Farzad H. Panahi, Tomoaki Ohtsuki:
Intelligent Cellular Offloading With VLC-Enabled Unmanned Aerial Vehicles. IEEE Internet Things J. 10(20): 17718-17733 (2023) - [j174]Chunhui Zhao, Lirui Ma, Lu Wang, Tomoaki Ohtsuki, P. Takis Mathiopoulos, Yong Wang:
SAR Image Change Detection in Spatial-Frequency Domain Based on Attention Mechanism and Gated Linear Unit. IEEE Geosci. Remote. Sens. Lett. 20: 1-5 (2023) - [j173]Mondher Bouazizi, Alejandro Lorite Mora, Tomoaki Ohtsuki:
A 2D-Lidar-Equipped Unmanned Robot-Based Approach for Indoor Human Activity Detection. Sensors 23(5): 2534 (2023) - [j172]Vieeralingaam Ganapathy, Ramanathan Ramachandran, Tomoaki Ohtsuki:
Resource Allocation for Secure MIMO-SWIPT Systems in the Presence of Multi-Antenna Eavesdropper in Vehicular Networks. Sensors 23(19): 8069 (2023) - [j171]Xintong Shi, Natsuho Niida, Kohei Yamamoto, Tomoaki Ohtsuki, Yutaka Matsui, Kazunari Owada:
A Robust Approach Assisted by Signal Quality Assessment for Fetal Heart Rate Estimation from Doppler Ultrasound Signal. Sensors 23(24): 9698 (2023) - [j170]Liyan Sui, Xin Guan, Chen Cui, Haiyang Jiang, Heng Pan, Tomoaki Ohtsuki:
Graph Learning Empowered Situation Awareness in Internet of Energy With Graph Digital Twin. IEEE Trans. Ind. Informatics 19(5): 7268-7277 (2023) - [j169]Fereidoun H. Panahi, Farzad H. Panahi, Tomoaki Ohtsuki:
A Reinforcement Learning-Based Fire Warning and Suppression System Using Unmanned Aerial Vehicles. IEEE Trans. Instrum. Meas. 72: 1-16 (2023) - [j168]Yuwen Cao, Tomoaki Ohtsuki, Setareh Maghsudi, Tony Q. S. Quek:
Deep Learning and Image Super-Resolution-Guided Beam and Power Allocation for mmWave Networks. IEEE Trans. Veh. Technol. 72(11): 15080-15085 (2023) - [j167]Yue Yin, Tomoaki Ohtsuki, Guan Gui, Chau Yuen, Hsiao-Chun Wu, Hikmet Sari:
Joint Optimization of User Pairing, Power Allocation and Content Server Deployment in NOMA-Assisted Wireless Caching Networks. IEEE Trans. Veh. Technol. 72(12): 16866-16870 (2023) - [j166]Chao Sun, Xinxuan Xiong, Zhiyuan Zhai, Wei Ni, Tomoaki Ohtsuki, Xin Wang:
Max-Min Fair 3D Trajectory Design and Transmission Scheduling for Solar-Powered Fixed-Wing UAV-Assisted Data Collection. IEEE Trans. Wirel. Commun. 22(12): 8650-8665 (2023) - [c325]Yoshiya Uotani, Kohei Yamamoto, Chen Ye, Mondher Bouazizi, Tomoaki Ohtsuki:
An LSTM-Based Approach for Fall Detection Using Accelerometer-Collected Data. APCC 2023: 250-255 - [c324]Mayuko Inoue, Tomoaki Ohtsuki, Kohei Yamamoto, Guan Gui:
Evaluation of Source Data Selection for DTL Based CSI Feedback Method in FDD Massive MIMO Systems. CCNC 2023: 182-187 - [c323]Nianyi Ji, Mondher Bouazizi, Tomoaki Ohtsuki:
Depression Detection via User Behavior and Tweets. GLOBECOM 2023: 1985-1990 - [c322]Mondher Bouazizi, Kevin Feghoul, Alejandro Lorite Mora, Tomoaki Ohtsuki:
A Novel Approach for Activity, Fall and Gait Detection Using Multiple 2D LiDARs. GLOBECOM 2023: 1997-2002 - [c321]Mondher Bouazizi, Danyuan Yu, Kevin Feghoul, Tomoaki Ohtsuki:
A GAN-Based Approach for ECG Reconstruction from Doppler Sensor Signals. GLOBECOM 2023: 3867-3872 - [c320]Danyuan Yu, Mondher Bouazizi, Tomoaki Ohtsuki:
Improving Heart Rate Range Classification Using Doppler Radar with GAN-based Data Augmentation. GLOBECOM 2023: 3885-3890 - [c319]Wei Dai, Siyuan Yang, Mondher Bouazizi, Tomoaki Ohtsuki:
K-Means Clustering-Aided Dynamic Multi-Cell Optimization Algorithm for HAPS. GLOBECOM 2023: 5635-5640 - [c318]Tatsuya Mori, Tomoaki Ohtsuki:
HAPS Trajectory Optimization Based on Throughput Heat Map. GLOBECOM 2023: 7291-7296 - [c317]Rikuto Yoshizawa, Kohei Yamamoto, Tomoaki Ohtsuki:
Arterial Blood Pressure Waveform Estimation from Photoplethysmogram Under Inter-Subject Paradigm Using Subject-Distinguishable Dataset by U-Net and Domain Adversarial Training. ICC 2023: 3401-3406 - [c316]Shengze Wang, Mondher Bouazizi, Tomoaki Ohtsuki:
Non-Contact Blood Pressure Estimation Using Accurate Cardiac Movements Extracted by Hidden Semi-Markov Model. ICC 2023: 5508-5514 - [c315]Siyuan Yang, Mondher Bouazizi, Tomoaki Ohtsuki:
Dynamic Antenna Control for HAPS Using Mean Field Reinforcement Learning in Multi-Cell Configuration. ICC 2023: 5670-5676 - [c314]Lanping Zhang, Yu Wang, Tomoaki Ohtsuki, Bamidele Adebisi, Hsiao-Chun Wu, Guan Gui:
Adversarial Learning Aided Malicious Network Traffic Detection Based on EDE Framework. ICCC 2023: 1-6 - [c313]Maoyang Qin, Xixi Zhang, Yu Wang, Tomoaki Ohtsuki, Hikmet Sari, Guan Gui:
A Few-Shot Malware Traffic Classification Method Using Knowledge Transfer Learning. ICCT 2023: 15-19 - [c312]Feng Shi, Ziqin Feng, Fucheng Miao, Xue Fu, Bamidele Adebisi, Tomoaki Ohtsuki, Hikmet Sari, Guan Gui:
Radio Frequency Fingerprint Identification Based on Length-Robust Representation and Incremental Learning. ICCT 2023: 236-240 - [c311]Qianlong Jiao, Xixi Zhang, Weijie Zhang, Fucheng Miao, Tomoaki Ohtsuki, Bamidele Adebisi, Yu Wang, Guan Gui:
Semi-Supervised Malware Traffic Classification Via Consistency Regularization and Pseudo-Labeling. ICCT 2023: 1008-1012 - [c310]Tianrui Zhao, Lu Wang, Chunhui Zhao, Tian Liu, Tomoaki Ohtsuki:
Heterogeneous Image Change Detection Based on Deep Image Translation and Feature Refinement-Aggregation. ICIP 2023: 1705-1709 - [c309]Lirui Ma, Lu Wang, Chunhui Zhao, Jiahui E, Tomoaki Ohtsuki:
Multilayer Attention Mechanism for Change Detection in SAR Image Spatial-Frequency Domain. ICIP 2023: 2110-2114 - [c308]Xintong Shi, Tomoaki Ohtsuki:
A Robust Multi-Frame mmWave Radar Point Cloud-Based Human Skeleton Estimation Approach with Point Cloud Reliability Assessment. SENSORS 2023: 1-4 - [c307]Yunhe Xu, Min Ma, Xue Fu, Yu Wang, Guan Gui, Tomoaki Ohtsuki:
Automatic Modulation Classification Based on Decentralized Learning and Model Averaging. INFOCOM Workshops 2023: 1-5 - [c306]Shupeng Zhang, Yibin Zhang, Xixi Zhang, Yang Peng, Jinlong Sun, Guan Gui, Tomoaki Ohtsuki:
Radio Frequency Signal Dataset Generation Based on LTE System and Variable Channels. INFOCOM Workshops 2023: 1-5 - [c305]Qing Hao, Haitao Zhao, Hao Huang, Guan Gui, Tomoaki Ohtsuki, Fumiyuki Adachi:
Deep Reinforcement Learning Aided Online Trajectory Optimization of Cellular-Connected UAVs with Offline Map Reconstruction. VTC2023-Spring 2023: 1-5 - [c304]Yuxuan Huang, Xixi Zhang, Yu Wang, Donglai Jiao, Guan Gui, Tomoaki Ohtsuki:
NASEI: Neural Architecture Search-Based Specific Emitter Identification Method. VTC2023-Spring 2023: 1-5 - [c303]Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate, Tomoaki Ohtsuki:
HAPS Cell Design Method for Coexistence on Terrestrial Mobile Networks. VTC2023-Spring 2023: 1-6 - [c302]Zhaojie Li, Tomoaki Ohtsuki, Guan Gui:
Communication Efficient Heterogeneous Federated Learning based on Model Similarity. WCNC 2023: 1-5 - [i2]Yuwen Cao, Tomoaki Ohtsuki, Setareh Maghsudi, Tony Q. S. Quek:
Deep Learning and Image Super-Resolution-Guided Beam and Power Allocation for mmWave Networks. CoRR abs/2305.13929 (2023) - 2022
- [j165]Tsukiko Kitagawa, Kohei Yamamoto, Koji Endo, Tomoaki Ohtsuki:
Multibeam Doppler Sensor-Based Non-Contact Heartbeat Detection Using Beam Diversity. IEEE Access 10: 16242-16253 (2022) - [j164]Mondher Bouazizi, Tomoaki Ohtsuki:
Sarcasm Over Time and Across Platforms: Does the Way We Express Sarcasm Change? IEEE Access 10: 55958-55987 (2022) - [j163]Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate, Tomoaki Ohtsuki:
Two-Step Dynamic Cell Optimization Algorithm for HAPS Mobile Communications. IEEE Access 10: 68085-68098 (2022) - [j162]Chuheng Zheng, Mondher Bouazizi, Tomoaki Ohtsuki:
An Evaluation on Information Composition in Dementia Detection Based on Speech. IEEE Access 10: 92294-92306 (2022) - [j161]Stefano Bregni, Tomoaki Ohtsuki, Douglas N. Zuckerman, Tim Weil, Mark Milliman, Keattisak Sripimanwat, Umair Ahmed Korai, Bhawani Shankar Chowdhry, Aftab Ahmed Memon:
Global Communications Newsletter. IEEE Commun. Mag. 60(10): 15-19 (2022) - [j160]Tomoaki Ohtsuki:
Foreword. IEICE Trans. Commun. 105-B(2): 97 (2022) - [j159]Mondher Bouazizi, Chen Ye, Tomoaki Ohtsuki:
Low-Resolution Infrared Array Sensor for Counting and Localizing People Indoors: When Low End Technology Meets Cutting Edge Deep Learning Techniques. Inf. 13(3): 132 (2022) - [j158]Ruijie Zhao, Guan Gui, Zhi Xue, Jie Yin, Tomoaki Ohtsuki, Bamidele Adebisi, Haris Gacanin:
A Novel Intrusion Detection Method Based on Lightweight Neural Network for Internet of Things. IEEE Internet Things J. 9(12): 9960-9972 (2022) - [j157]Mondher Bouazizi, Chen Ye, Tomoaki Ohtsuki:
2-D LIDAR-Based Approach for Activity Identification and Fall Detection. IEEE Internet Things J. 9(13): 10872-10890 (2022) - [j156]Takashi Nakamura, Mondher Bouazizi, Kohei Yamamoto, Tomoaki Ohtsuki:
Wi-Fi-Based Fall Detection Using Spectrogram Image of Channel State Information. IEEE Internet Things J. 9(18): 17220-17234 (2022) - [j155]Rui Chen, Liang Li, Ying Ma, Yanmin Gong, Yuanxiong Guo, Tomoaki Ohtsuki, Miao Pan:
Constructing Mobile Crowdsourced COVID-19 Vulnerability Map With Geo-Indistinguishability. IEEE Internet Things J. 9(18): 17403-17416 (2022) - [j154]Yongnan Liu, Xin Guan, Yu Peng, Hongyang Chen, Tomoaki Ohtsuki, Zhu Han:
Blockchain-Based Task Offloading for Edge Computing on Low-Quality Data via Distributed Learning in the Internet of Energy. IEEE J. Sel. Areas Commun. 40(2): 657-676 (2022) - [j153]Muthukumar Krishnan Arumugasamy, Mondher Bouazizi, Tomoaki Ohtsuki:
An Infrared Array Sensor-Based Approach for Activity Detection, Combining Low-Cost Technology with Advanced Deep Learning Techniques. Sensors 22(10): 3898 (2022) - [j152]Siyuan Yang, Mondher Bouazizi, Yuwen Cao, Tomoaki Ohtsuki:
Inter-User Distance Estimation Based on a New Type of Fingerprint in Massive MIMO System for COVID-19 Contact Detection. Sensors 22(16): 6211 (2022) - [j151]Koji Endo, Kohei Yamamoto, Tomoaki Ohtsuki:
A Denoising Method Using Deep Image Prior to Human-Target Detection Using MIMO FMCW Radar. Sensors 22(23): 9401 (2022) - [j150]Lu Wang, Tomoaki Ohtsuki, Kazunari Owada, Naoki Honma, Hayato Hayashi:
A Multi-Layer Hybrid Network With Its Application in Fetal Heart Rate Monitoring. IEEE Signal Process. Lett. 29: 1207-1211 (2022) - [j149]Xue Fu, Guan Gui, Yu Wang, Tomoaki Ohtsuki, Bamidele Adebisi, Haris Gacanin, Fumiyuki Adachi:
Lightweight Automatic Modulation Classification Based on Decentralized Learning. IEEE Trans. Cogn. Commun. Netw. 8(1): 57-70 (2022) - [j148]Guanghui Fan, Jinlong Sun, Guan Gui, Haris Gacanin, Bamidele Adebisi, Tomoaki Ohtsuki:
Fully Convolutional Neural Network-Based CSI Limited Feedback for FDD Massive MIMO Systems. IEEE Trans. Cogn. Commun. Netw. 8(2): 672-682 (2022) - [j147]Zhimin He, Jie Yin, Yu Wang, Guan Gui, Bamidele Adebisi, Tomoaki Ohtsuki, Haris Gacanin, Hikmet Sari:
Edge Device Identification Based on Federated Learning and Network Traffic Feature Engineering. IEEE Trans. Cogn. Commun. Netw. 8(4): 1898-1909 (2022) - [j146]Dian Shi, Liang Li, Tomoaki Ohtsuki, Miao Pan, Zhu Han, H. Vincent Poor:
Make Smart Decisions Faster: Deciding D2D Resource Allocation via Stackelberg Game Guided Multi-Agent Deep Reinforcement Learning. IEEE Trans. Mob. Comput. 21(12): 4426-4438 (2022) - [j145]Haitao Zhao, Jiawen Tang, Bamidele Adebisi, Tomoaki Ohtsuki, Guan Gui, Hongbo Zhu:
An Adaptive Vehicle Clustering Algorithm Based on Power Minimization in Vehicular Ad-Hoc Networks. IEEE Trans. Veh. Technol. 71(3): 2939-2948 (2022) - [j144]Ichiro Seto, Shoji Otaka, Hiroshi Yoshida, Katsuya Nonin, Masaki Nishikawa, Takayuki Kato, Yoshiharu Nito, Hideyuki Ishiwata, Tomoaki Ohtsuki:
Sub-GHz Two-Way Ranging Based on Phase Detection for Remote Keyless Entry Systems. IEEE Trans. Veh. Technol. 71(9): 9705-9720 (2022) - [c301]Yuta Yamada, Tomoaki Ohtsuki:
Autoencoder-based Pilot Pattern Design for CDL Channels. APCC 2022: 76-80 - [c300]Xintong Shi, Kohei Yamamoto, Tomoaki Ohtsuki, Yutaka Matsui, Kazunari Owada:
Non-invasive Fetal ECG Signal Quality Assessment based on Unsupervised Learning Approach. EMBC 2022: 1296-1299 - [c299]Shuzo Ishizaka, Kohei Yamamoto, Tomoaki Ohtsuki:
Non-contact Blood Pressure Estimation Method Based on Blood Pressure Category Classification. EMBC 2022: 2676-2679 - [c298]Rikuto Yoshizawa, Kohei Yamamoto, Tomoaki Ohtsuki:
Arterial Blood Pressure Estimation Method from Electrocardiogram Signals using U-Net. EMBC 2022: 2689-2692 - [c297]Xintong Shi, Kohei Yamamoto, Tomoaki Ohtsuki, Yutaka Matsui, Kazunari Owada:
Unsupervised Representation Learning-based Doppler Ultrasound Signal Quality Assessment. GLOBECOM 2022: 2254-2259 - [c296]Sara Nakatani, Kohei Yamamoto, Tomoaki Ohtsuki:
Fetal Arrhythmia Detection based on Deep Learning using Fetal ECG Signals. GLOBECOM 2022: 2266-2271 - [c295]Yeyang Chen, Mondher Bouazizi, Tomoaki Ohtsuki:
Social Robot Detection Using RoBERTa Classifier and Random Forest Regressor with Similarity Analysis. GLOBECOM 2022: 6433-6438 - [c294]Kenshiro Wada, Siyuan Yang, Mondher Bouazizi, Tomoaki Ohtsuki, Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate:
Dynamic Antenna Control for HAPS Using Fuzzy Q-Learning in Multi-Cell Configuration. ICC 2022: 1-6 - [c293]Ruijie Zhao, Linbo Yang, Yijun Wang, Zhi Xue, Guan Gui, Tomoaki Ohtsuki:
A Semi-Supervised Federated Learning Scheme via Knowledge Distillation for Intrusion Detection. ICC 2022: 2688-2693 - [c292]Mondher Bouazizi, Kohei Yamamoto, Tomoaki Ohtsuki:
Heartbeat Detection Using 3D Lidar and MIMO Doppler Radar. ICC 2022: 3040-3045 - [c291]Chao Sun, Xinxuan Xiong, Wei Ni, Tomoaki Ohtsuki, Xin Wang:
Max-Min Fair 3D Trajectory Planning for Solar-Powered UAV-Assisted Data Collection. ICCC 2022: 610-615 - [c290]Shufei Wang, Yibin Zhang, Jinlong Sun, Tomoaki Ohtsuki, Guan Gui:
Attention-CNN-Aided Specific Emitter Identification Method with Limited Radio Frequency Dataset. ICCT 2022: 1536-1540 - [c289]Mondher Bouazizi, Chuheng Zheng, Tomoaki Ohtsuki:
Dementia Detection Using Language Models and Transfer Learning. ICSIM 2022: 152-157 - [c288]Shang Shi, Yu Wang, Heng Dong, Guan Gui, Tomoaki Ohtsuki:
Smartphone-Aided Human Activity Recognition Method using Residual Multi-Layer Perceptron. INFOCOM Workshops 2022: 1-6 - [c287]Junjie Gao, Mondher Bouazizi, Tomoaki Ohtsuki, Guan Gui:
Adaptive DNN-based CSI Feedback with Quantization for FDD Massive MIMO Systems. VTC Fall 2022: 1-5 - [c286]Yunyi Li, Jianxun Liu, Chaoyang Chen, Guan Gui, Tomoaki Ohtsuki, Hikmet Sari:
Joint Weighted and Truncated Nuclear Norm Minimization for Matrix Completion-Assisted mmWave MIMO Channel Estimation. VTC Spring 2022: 1-5 - [c285]Hongwei Liu, Chengyao Hao, Yang Peng, Yu Wang, Tomoaki Ohtsuki, Guan Gui:
An Effective Radio Frequency Signal Classification Method Based on Multi-Task Learning Mechanism. VTC Fall 2022: 1-5 - [c284]Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate, Tomoaki Ohtsuki:
Co-Evolutionary Dynamic Cell optimization Algorithm for HAPS Mobile Communications. VTC Spring 2022: 1-6 - [c283]Siyuan Xu, Zhengran He, Wenjuan Shi, Yu Wang, Tomoaki Ohtsuki, Guan Gui:
Cross-Person Activity Recognition Method Using Snapshot Ensemble Learning. VTC Fall 2022: 1-5 - [c282]Siyuan Yang, Mondher Bouazizi, Tomoaki Ohtsuki, Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate:
Dynamic Antenna Control for HAPS Using Geometry-based Method in Multi-Cell Configuration. VTC Spring 2022: 1-6 - [c281]Xixi Zhang, Yu Wang, Yibin Zhang, Yun Lin, Guan Gui, Tomoaki Ohtsuki, Hikmet Sari:
Data Augmentation Aided Few-Shot Learning for Specific Emitter Identification. VTC Fall 2022: 1-5 - 2021
- [j143]Akira Yamada, Tomoaki Ohtsuki:
Discrete BP Polar Decoder Using Information Bottleneck Method. IEEE Access 9: 10645-10656 (2021) - [j142]Muthukumar Krishnan Arumugasamy, Mondher Bouazizi, Tomoaki Ohtsuki:
A Novel Hybrid Deep Learning Model for Activity Detection Using Wide-Angle Low-Resolution Infrared Array Sensor. IEEE Access 9: 82563-82576 (2021) - [j141]Jiawei Luo, Mondher Bouazizi, Tomoaki Ohtsuki:
Data Augmentation for Sentiment Analysis Using Sentence Compression-Based SeqGAN With Data Screening. IEEE Access 9: 99922-99931 (2021) - [j140]Yuwen Cao, Tomoaki Ohtsuki:
Spatial Degrees of Freedom Exploration and Analog Beamforming Designs for Signature Spatial Modulation. IEICE Trans. Commun. 104-B(8): 934-941 (2021) - [j139]Tomoaki Ohtsuki:
Foreword. IEICE Trans. Commun. 104-B(9): 983 (2021) - [j138]Arata Takahashi, Osamu Takyu, Hiroshi Fujiwara, Takeo Fujii, Tomoaki Ohtsuki:
Overloaded Wireless MIMO Switching for Information Exchanging through Untrusted Relay in Secure Wireless Communication. IEICE Trans. Commun. 104-B(10): 1249-1259 (2021) - [j137]Dawei Fang, Xin Guan, Yu Peng, Hongyang Chen, Tomoaki Ohtsuki, Zhu Han:
Distributed Deep Reinforcement Learning for Renewable Energy Accommodation Assessment With Communication Uncertainty in Internet of Energy. IEEE Internet Things J. 8(10): 8557-8569 (2021) - [j136]Yu Wang, Guan Gui, Haris Gacanin, Tomoaki Ohtsuki, Octavia A. Dobre, H. Vincent Poor:
An Efficient Specific Emitter Identification Method Based on Complex-Valued Neural Networks and Network Compression. IEEE J. Sel. Areas Commun. 39(8): 2305-2317 (2021) - [j135]Jun Zeng, Jinlong Sun, Guan Gui, Bamidele Adebisi, Tomoaki Ohtsuki, Haris Gacanin, Hikmet Sari:
Downlink CSI Feedback Algorithm With Deep Transfer Learning for FDD Massive MIMO Systems. IEEE Trans. Cogn. Commun. Netw. 7(4): 1253-1265 (2021) - [j134]Jie Wang, Guan Gui, Tomoaki Ohtsuki, Bamidele Adebisi, Haris Gacanin, Hikmet Sari:
Compressive Sampled CSI Feedback Method Based on Deep Learning for FDD Massive MIMO Systems. IEEE Trans. Commun. 69(9): 5873-5885 (2021) - [j133]Wenjuan Shi, Yanjing Sun, Miao Liu, Hua Xu, Guan Gui, Tomoaki Ohtsuki, Bamidele Adebisi, Haris Gacanin, Fumiyuki Adachi:
Joint UL/DL Resource Allocation for UAV-Aided Full-Duplex NOMA Communications. IEEE Trans. Commun. 69(12): 8474-8487 (2021) - [j132]Yongjun Xu, Guan Gui, Tomoaki Ohtsuki, Haris Gacanin, Bamidele Adebisi, Hikmet Sari, Fumiyuki Adachi:
Robust Resource Allocation for Two-Tier HetNets: An Interference-Efficiency Perspective. IEEE Trans. Green Commun. Netw. 5(3): 1514-1528 (2021) - [j131]Haruhi Echigo, Yuwen Cao, Mondher Bouazizi, Tomoaki Ohtsuki:
A Deep Learning-Based Low Overhead Beam Selection in mmWave Communications. IEEE Trans. Veh. Technol. 70(1): 682-691 (2021) - [j130]Yu Wang, Guan Gui, Tomoaki Ohtsuki, Fumiyuki Adachi:
Multi-Task Learning for Generalized Automatic Modulation Classification Under Non-Gaussian Noise With Varying SNR Conditions. IEEE Trans. Wirel. Commun. 20(6): 3587-3596 (2021) - [j129]Ruijie Zhao, Jie Yin, Zhi Xue, Guan Gui, Bamidele Adebisi, Tomoaki Ohtsuki, Haris Gacanin, Hikmet Sari:
An Efficient Intrusion Detection Method Based on Dynamic Autoencoder. IEEE Wirel. Commun. Lett. 10(8): 1707-1711 (2021) - [j128]Weihao Hou, Jinlong Sun, Guan Gui, Tomoaki Ohtsuki, Ahmet M. Elbir, Haris Gacanin, Hikmet Sari:
Federated Learning for DL-CSI Prediction in FDD Massive MIMO Systems. IEEE Wirel. Commun. Lett. 10(8): 1810-1814 (2021) - [j127]Xuan Song, Jun Wang, Jie Wang, Guan Gui, Tomoaki Ohtsuki, Haris Gacanin, Hikmet Sari:
SALDR: Joint Self-Attention Learning and Dense Refine for Massive MIMO CSI Feedback With Multiple Compression Ratio. IEEE Wirel. Commun. Lett. 10(9): 1899-1903 (2021) - [c280]Mondher Bouazizi, Siyuan Yang, Yuwen Cao, Tomoaki Ohtsuki:
A Novel Approach for Inter-User Distance Estimation in 5G mmWave Networks Using Deep Learning. APCC 2021: 223-228 - [c279]Abuzar Ahmad Qureshi, Lu Wang, Tomoaki Ohtsuki, Kazunari Owada, Naoki Honma, Hayato Hayashi:
An Autoencoder-Based Fetal Heart Rate Detector for Noninvasive Recordings. EMBC 2021: 60-63 - [c278]Natsuho Niida, Lu Wang, Tomoaki Ohtsuki, Kazunari Owada, Naoki Honma, Hayato Hayashi:
Fetal Heart Rate Detection Using First Derivative of ECG Waveform and Multiple Weighting Functions. EMBC 2021: 434-438 - [c277]Mondher Bouazizi, Chen Ye, Tomoaki Ohtsuki:
Activity Detection using 2D LIDAR for Healthcare and Monitoring. GLOBECOM 2021: 1-6 - [c276]Tsukiko Kitagawa, Kohei Yamamoto, Tomoaki Ohtsuki:
Non-contact Heartbeat Detection Based on Beam Diversity Using Multibeam Doppler Sensor. GLOBECOM 2021: 1-6 - [c275]Kohei Yamamoto, Koji Endo, Tomoaki Ohtsuki:
Remote Sensing of Heartbeat based on Space Diversity Using MIMO FMCW Radar. GLOBECOM 2021: 1-6 - [c274]Kohei Yamamoto, Tomoaki Ohtsuki:
Noncontact Heartbeat Detection by Viterbi Algorithm with Fusion of Beat-Beat Interval and Deep Learning-Driven Branch Metrics. ICASSP 2021: 8308-8312 - [c273]Lu Wang, Tomoaki Ohtsuki:
From Multiset Events to Signal Restoration via Tensor Decomposition Based Separation Learning. ICC 2021: 1-6 - [c272]Yuwen Cao, Setareh Maghsudi, Tomoaki Ohtsuki:
Mobility-Aware Routing and Caching: A Federated Learning Assisted Approach. ICC 2021: 1-6 - [c271]Shuzo Ishizaka, Kohei Yamamoto, Tomoaki Ohtsuki:
Non-contact Blood Pressure Measurement using Doppler Radar based on Waveform Analysis by LSTM. ICC 2021: 1-6 - [c270]Mondher Bouazizi, Natsuho Niida, Tomoaki Ohtsuki:
All-in-One Hate Speech Detectors May not be what You Want. ICSIM 2021: 165-170 - [c269]Hanyue Dai, Yue Yin, Hao Huang, Jie Yang, Tomoaki Ohtsuki, Hikmet Sari, Fumiyuki Adachi:
Weighted-Beam Superposition for mmWave Massive MIMO-NOMA Systems. VTC Fall 2021: 1-6 - [c268]Zhengran He, Hao Huang, Jie Yang, Guan Gui, Tomoaki Ohtsuki, Bamidele Adebisi, Haris Gacanin:
Fast Beamforming Design Method for IRS-Aided mmWave MISO Systems. VTC Fall 2021: 1-5 - [c267]Xiao Lu, Mengyuan Tao, Xue Fu, Guan Gui, Tomoaki Ohtsuki, Hikmet Sari:
Lightweight Network Design Based on ResNet Structure for Modulation Recognition. VTC Fall 2021: 1-5 - [c266]Ziteng Wang, Zhaojie Li, Yu Wang, Wenmei Li, Jie Yang, Tomoaki Ohtsuki:
HSRRS Classification Method Based on Deep Transfer Learning And Multi-Feature Fusion. VTC Fall 2021: 1-5 - [c265]Yuting Wang, Jinlong Sun, Jie Wang, Jie Yang, Tomoaki Ohtsuki, Bamidele Adebisi, Haris Gacanin:
Multi-Rate Compression for Downlink CSI Based on Transfer Learning in FDD Massive MIMO Systems. VTC Fall 2021: 1-5 - [c264]Min Zhang, Wang Luo, Yu Wang, Jinlong Sun, Jie Yang, Tomoaki Ohtsuki:
An Effective Radar Signal Recognition Method Using Neural Architecture Search. VTC Fall 2021: 1-5 - [c263]Yaru Zhou, Yu Wang, Pengfei Liu, Jie Yang, Tomoaki Ohtsuki, Hikmet Sari:
Decentralized Learning-based Scenario Identification Method for Intelligent Vehicular Communications. VTC Fall 2021: 1-5 - [c262]Xue Fu, Guan Gui, Yu Wang, Tomoaki Ohtsuki, Bamidele Adebisi, Haris Gacanin, Fumiyuki Adachi:
Lightweight Network and Model Aggregation for Automatic Modulation Classification in Wireless Communications. WCNC 2021: 1-6 - [c261]Yuting Wang, Yibin Zhang, Jinlong Sun, Guan Gui, Tomoaki Ohtsuki, Fumiyuki Adachi:
A Novel Compression CSI Feedback based on Deep Learning for FDD Massive MIMO Systems. WCNC 2021: 1-5 - [c260]Xun Wei, Wang Luo, Xixi Zhang, Jie Yang, Guan Gui, Tomoaki Ohtsuki:
Differentiable Architecture Search-Based Automatic Modulation Classification. WCNC 2021: 1-6 - [c259]Ruijie Zhao, Zhaojie Li, Zhi Xue, Tomoaki Ohtsuki, Guan Gui:
A Novel Approach based on Lightweight Deep Neural Network for Network Intrusion Detection. WCNC 2021: 1-6 - [i1]Yuwen Cao, Setareh Maghsudi, Tomoaki Ohtsuki:
Mobility-Aware Routing and Caching: A Federated Learning Assisted Approach. CoRR abs/2102.10743 (2021) - 2020
- [j126]Farzad H. Panahi, Fereidoun H. Panahi, Tomoaki Ohtsuki:
Energy Efficiency Analysis in Cache-Enabled D2D-Aided Heterogeneous Cellular Networks. IEEE Access 8: 19540-19554 (2020) - [j125]Junta Tachibana, Tomoaki Ohtsuki:
Learning and Analysis of Damping Factor in Massive MIMO Detection Using BP Algorithm With Node Selection. IEEE Access 8: 96859-96866 (2020) - [j124]Kohei Yamamoto, Tomoaki Ohtsuki:
Non-Contact Heartbeat Detection by Heartbeat Signal Reconstruction Based on Spectrogram Analysis With Convolutional LSTM. IEEE Access 8: 123603-123613 (2020) - [j123]Yunfeng Deng, Tomoaki Ohtsuki:
Low-Complexity Subspace MMSE Channel Estimation in Massive MU-MIMO System. IEEE Access 8: 124371-124381 (2020) - [j122]Kohei Yamamoto, Ryosuke Hiromatsu, Tomoaki Ohtsuki:
ECG Signal Reconstruction via Doppler Sensor by Hybrid Deep Learning Model With CNN and LSTM. IEEE Access 8: 130551-130560 (2020) - [j121]Yu Wang, Guan Gui, Haris Gacanin, Tomoaki Ohtsuki, Hikmet Sari, Fumiyuki Adachi:
Transfer Learning for Semi-Supervised Automatic Modulation Classification in ZF-MIMO Systems. IEEE J. Emerg. Sel. Topics Circuits Syst. 10(2): 231-239 (2020) - [j120]Yongnan Liu, Xin Guan, Jun Li, Di Sun, Tomoaki Ohtsuki, Mohammad Mehedi Hassan, Abdulhameed Alelaiwi:
Evaluating smart grid renewable energy accommodation capability with uncertain generation using deep reinforcement learning. Future Gener. Comput. Syst. 110: 647-657 (2020) - [j119]Lin Lin, Xin Guan, Yu Peng, Ning Wang, Sabita Maharjan, Tomoaki Ohtsuki:
Deep Reinforcement Learning for Economic Dispatch of Virtual Power Plant in Internet of Energy. IEEE Internet Things J. 7(7): 6288-6301 (2020) - [j118]Chen Ye, Kentaroh Toyoda, Tomoaki Ohtsuki:
Blind Source Separation on Non-Contact Heartbeat Detection by Non-Negative Matrix Factorization Algorithms. IEEE Trans. Biomed. Eng. 67(2): 482-494 (2020) - [j117]Yuwen Cao, Tomoaki Ohtsuki, Tony Q. S. Quek:
Dual-Ascent Inspired Transmit Precoding for Evolving Multiple-Access Spatial Modulation. IEEE Trans. Commun. 68(11): 6945-6961 (2020) - [j116]Yan Huang, Xin Guan, Hongyang Chen, Yi Liang, Shanshan Yuan, Tomoaki Ohtsuki:
Risk Assessment of Private Information Inference for Motion Sensor Embedded IoT Devices. IEEE Trans. Emerg. Top. Comput. Intell. 4(3): 265-275 (2020) - [j115]Yutao Lu, Juan Wang, Miao Liu, Kaixuan Zhang, Guan Gui, Tomoaki Ohtsuki, Fumiyuki Adachi:
Semi-Supervised Machine Learning Aided Anomaly Detection Method in Cellular Networks. IEEE Trans. Veh. Technol. 69(8): 8459-8467 (2020) - [j114]S. Yuva Kumar, Tomoaki Ohtsuki:
Influence and Mitigation of Pedestrian Blockage at mmWave Cellular Networks. IEEE Trans. Veh. Technol. 69(12): 15442-15457 (2020) - [j113]Jinlong Sun, Fan Liu, Yuzhi Zhou, Guan Gui, Tomoaki Ohtsuki, Song Guo, Fumiyuki Adachi:
Surveillance Plane Aided Air-Ground Integrated Vehicular Networks: Architectures, Applications, and Potential. IEEE Wirel. Commun. 27(6): 122-128 (2020) - [c258]Xueyi Lin, Lu Wang, Tomoaki Ohtsuki:
Online Recursive ICA Algorithm Used for Motor Imagery EEG Signal. EMBC 2020: 502-505 - [c257]Lu Wang, Tomoaki Ohtsuki, Kazunari Owada, Naoki Honma, Hayato Hayashi:
Joint Multiple Subspace-based BSS Method for Fetal Heart Rate Extraction from Non-invasive Recordings. EMBC 2020: 616-620 - [c256]Mondher Bouazizi, Tomoaki Ohtsuki:
An Infrared Array Sensor-Based Method for Localizing and Counting People for Health Care and Monitoring. EMBC 2020: 4151-4155 - [c255]Hiroki Hirose, Tomoaki Ohtsuki, Guan Gui:
Deep Learning Aided Channel Estimation for Massive MIMO with Pilot Contamination. GLOBECOM 2020: 1-6 - [c254]Takashi Nakamura, Mondher Bouazizi, Kohei Yamamoto, Tomoaki Ohtsuki:
Wi-Fi-CSI-based Fall Detection by Spectrogram Analysis with CNN. GLOBECOM 2020: 1-6 - [c253]Yuwen Cao, Tomoaki Ohtsuki:
Multi-Configuration Selection Mechanisms and Analog Precoding for Signature Spatial Modulation. ICC 2020: 1-6 - [c252]Akira Yamada, Tomoaki Ohtsuki:
Discrete Polar Decoder using Information Bottleneck Method. ICC 2020: 1-6 - [c251]Chen Ye, Guan Gui, Tomoaki Ohtsuki:
Deep Clustering with LSTM for Vital Signs Separation in Contact-free Heart Rate Estimation. ICC 2020: 1-6 - [c250]S. Yuva Kumar, Tomoaki Ohtsuki:
User Association to Overcome Human Blockage at mmWave Cellular Networks. VTC Spring 2020: 1-5 - [c249]Takashi Nakamura, Kentaroh Toyoda, Tomoaki Ohtsuki:
On-Road Object Identification with Time Series Automotive Millimeter-wave Radar Information. VTC Spring 2020: 1-5 - [c248]Junta Tachibana, Tomoaki Ohtsuki:
Damping Factor Learning of BP Detection with Node Selection in Massive MIMO using Neural Network. VTC Spring 2020: 1-6 - [c247]Kenshiro Wada, Tomoaki Ohtsuki:
Interference Control of LTE-LAA using Q-learning with HARQ. VTC Spring 2020: 1-5
2010 – 2019
- 2019
- [j112]Aohan Li, Guangjie Han, Tomoaki Ohtsuki:
Multiple Radios for Fast Rendezvous in Heterogeneous Cognitive Radio Networks. IEEE Access 7: 37342-37359 (2019) - [j111]Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki:
Doppler Sensor-Based Blink Duration Estimation by Analysis of Eyelids Closing and Opening Behavior on Spectrogram. IEEE Access 7: 42726-42734 (2019) - [j110]Kentaroh Toyoda, P. Takis Mathiopoulos, Tomoaki Ohtsuki:
A Novel Methodology for HYIP Operators' Bitcoin Addresses Identification. IEEE Access 7: 74835-74848 (2019) - [j109]Lu Wang, Tomoaki Ohtsuki:
Underdetermined Blind Source Separation With Multi-Subspace for Nonlinear Representation. IEEE Access 7: 84545-84557 (2019) - [j108]Mondher Bouazizi, Tomoaki Ohtsuki:
Multi-class sentiment analysis on twitter: Classification performance and challenges. Big Data Min. Anal. 2(3): 181-194 (2019) - [j107]Chen Ye, Kentaroh Toyoda, Tomoaki Ohtsuki:
A Stochastic Gradient Approach for Robust Heartbeat Detection With Doppler Radar Using Time-Window-Variation Technique. IEEE Trans. Biomed. Eng. 66(6): 1730-1741 (2019) - [j106]Aohan Li, Guangjie Han, Tomoaki Ohtsuki:
A Fast Blind Scheme With Full Rendezvous Diversity for Heterogeneous Cognitive Radio Networks. IEEE Trans. Cogn. Commun. Netw. 5(3): 805-818 (2019) - [j105]Yuwen Cao, Tomoaki Ohtsuki:
Orthogonality Structure Designs for Generalized Precoding Aided Spatial Modulation. IEEE Wirel. Commun. Lett. 8(5): 1406-1409 (2019) - [c246]Ryosuke Hiromatsu, Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki:
Novel CA-CFAR Approach for Improvement of Doppler Sensor-based Heart Rate Variability Estimation. EMBC 2019: 796-799 - [c245]Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki:
MUSIC-based Non-contact Heart Rate Estimation with Adaptive Window Size Setting. EMBC 2019: 6073-6076 - [c244]Yuwen Cao, Tomoaki Ohtsuki:
Dual-Ascent Inspired Iterative Transmit Precoding Approaches for Multiple Access Spatial Modulation. GLOBECOM 2019: 1-6 - [c243]Wataru Takabatake, Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki, Yohei Shibata, Atsushi Nagate:
FMCW Radar-Based Anomaly Detection in Toilet by Supervised Machine Learning Classifier. GLOBECOM 2019: 1-6 - [c242]Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki:
CNN-Based Respiration Rate Estimation in Indoor Environments via MIMO FMCW Radar. GLOBECOM 2019: 1-6 - [c241]Lu Wang, Tomoaki Ohtsuki:
Polynomial Networks Representation of Nonlinear Mixtures with Application in Underdetermined Blind Source Separation. ICASSP 2019: 3687-3691 - [c240]Kota Kanemura, Kentaroh Toyoda, Tomoaki Ohtsuki:
Identification of Darknet Markets' Bitcoin Addresses by Voting Per-address Classification Results. IEEE ICBC 2019: 154-158 - [c239]Lu Wang, Tomoaki Ohtsuki:
Underdetermined Blind Separation using Multi-Subspace Representation in Time-Frequency Domain. ICC 2019: 1-6 - [c238]Yuwen Cao, Tomoaki Ohtsuki:
Precoding Aided Generalized Spatial Modulation with K Transmit Antenna Groups. ICC 2019: 1-6 - [c237]Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki:
Spectrogram-Based Simultaneous Heartbeat and Blink Detection using Doppler Sensor. ICC 2019: 1-6 - [c236]Chen Ye, Kentaroh Toyoda, Tomoaki Ohtsuki:
Non-Negative Matrix Factorization-Based Blind Source Separation for Non-Contact Heartbeat Detection. ICC 2019: 1-6 - [c235]Tetsuya Noguchi, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki:
Performance Evaluation of Information-Sharing Scheme Among Multiple Destinations with Mirroring Null Steering in Single Antenna Networks. ICOIN 2019: 417-420 - [c234]Arata Takahashi, Fumihito Sasamori, Shiro Handa, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki:
Overloaded Wireless MIMO Switching for Secure Wireless Communication Exchanging to Untrusted Relay. ICUFN 2019: 121-125 - [c233]Masumi Kuriyama, Tomoaki Ohtsuki:
Low Complexity and High Accuracy Channel Interpolation with Dividing URA into Small URAs for 3D Massive MIMO. VTC Fall 2019: 1-5 - 2018
- [j104]Hajime Watanabe, Mondher Bouazizi, Tomoaki Ohtsuki:
Hate Speech on Twitter: A Pragmatic Approach to Collect Hateful and Offensive Expressions and Perform Hate Speech Detection. IEEE Access 6: 13825-13835 (2018) - [j103]Lu Wang, Tomoaki Ohtsuki:
Nonlinear Blind Source Separation Unifying Vanishing Component Analysis and Temporal Structure. IEEE Access 6: 42837-42850 (2018) - [j102]Chen Ye, Guan Gui, Li Xu, Tomoaki Ohtsuki:
Recovery of Block-Structured Sparse Signal Using Block-Sparse Adaptive Algorithms via Dynamic Grouping. IEEE Access 6: 56069-56083 (2018) - [j101]Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki:
Spectrogram-Based Non-Contact RRI Estimation by Accurate Peak Detection Algorithm. IEEE Access 6: 60369-60379 (2018) - [j100]Mondher Bouazizi, Tomoaki Ohtsuki:
Multi-Class Sentiment Analysis in Twitter: What if Classification is Not the Answer. IEEE Access 6: 64486-64502 (2018) - [j99]Yuwen Cao, Tomoaki Ohtsuki, Xue-Qin Jiang:
Precoding Aided Generalized Spatial Modulation With an Iterative Greedy Algorithm. IEEE Access 6: 72449-72457 (2018) - [j98]Aashish Mathur, Yun Ai, Manav R. Bhatnagar, Michael Cheffena, Tomoaki Ohtsuki:
On Physical Layer Security of α-η-κ-μ Fading Channels. IEEE Commun. Lett. 22(10): 2168-2171 (2018) - [j97]Ha Duyen Trung, Nguyen Tien Hoa, Nguyen Huu Trung, Tomoaki Ohtsuki:
A closed-form expression for performance optimization of subcarrier intensity QAM signals-based relay-added FSO systems with APD. Phys. Commun. 31: 203-211 (2018) - [j96]Fereidoun H. Panahi, Farzad H. Panahi, Ghaith Hattab, Tomoaki Ohtsuki, Danijela Cabric:
Green Heterogeneous Networks via an Intelligent Sleep/Wake-Up Mechanism and D2D Communications. IEEE Trans. Green Commun. Netw. 2(4): 915-931 (2018) - [c232]Lu Wang, Tomoaki Ohtsuki:
A Convergence and Asymptotic Analysis of Nonlinear Separation Model. APSIPA 2018: 963-971 - [c231]Chen Ye, Kentaroh Toyoda, Tomoaki Ohtsuki:
Improved Sparse Adaptive Algorithms for Accurate Non-contact Heartbeat Detection Using Time-Window-Variation Technique. EMBC 2018: 1-6 - [c230]Hiroto Kamoi, Kentaroh Toyoda, Tomoaki Ohtsuki:
Fall Detection Using UHF Passive RFID Based on the Neighborhood Preservation Principle. GLOBECOM 2018: 1-6 - [c229]Aohan Li, Guangjie Han, Tomoaki Ohtsuki:
Enhanced Channel Hopping Algorithm for Heterogeneous Cognitive Radio Networks. GLOBECOM 2018: 1-7 - [c228]Aohan Li, Fereidoun H. Panahi, Tomoaki Ohtsuki, Guangjie Han:
Learning-Based Optimal Channel Selection in the Presence of Jammer for Cognitive Radio Networks. GLOBECOM 2018: 1-6 - [c227]Masayoshi Ozawa, Tomoaki Ohtsuki, Fereidoun H. Panahi, Wenjie Jiang, Yasushi Takatori, Tadao Nakagawa:
A Low-Complexity High-Accuracy AR Based Channel Prediction Method for Interference Alignment. GLOBECOM 2018: 1-7 - [c226]Lu Wang, Tomoaki Ohtsuki:
Signal Restoration Based on Temporal Structure and Multi-Layer Architecture. GLOBECOM 2018: 1-7 - [c225]Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki:
Non-Contact Heartbeat Detection by MUSIC with Discrete Cosine Transform-Based Parameter Adjustment. GLOBECOM 2018: 1-6 - [c224]Yugo Agata, Tomoaki Ohtsuki, Kentaroh Toyoda:
Doppler Analysis Based Fall Detection Using Array Antenna. ICC 2018: 1-6 - [c223]Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki:
Doppler Sensor-Based Blink Duration Estimation by Spectrogram Analysis. ICC 2018: 1-6 - [c222]Chen Ye, Kentaroh Toyoda, Tomoaki Ohtsuki:
Robust Heartbeat Detection with Doppler Radar Based on Stochastic Gradient Approach. ICC 2018: 1-6 - [c221]Kentaroh Toyoda, Tomoaki Ohtsuki, P. Takis Mathiopoulos:
Time Series Analysis for Bitcoin Transactions: The Case of Pirate@40's HYIP Scheme. ICDM Workshops 2018: 151-155 - [c220]Tetsuya Noguchi, Osamu Takyu, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Tomoaki Ohtsuki:
Transmit control for secure information sharing in untrusted relay with two antennas. ICOIN 2018: 771-775 - [c219]Kentaroh Toyoda, Tomoaki Ohtsuki, P. Takis Mathiopoulos:
Multi-Class Bitcoin-Enabled Service Identification Based on Transaction History Summarization. iThings/GreenCom/CPSCom/SmartData 2018: 1153-1160 - [c218]Yusuke Shirasaki, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa:
Consideration of security for PLNC with untrusted relay in game theoretic perspective. RWS 2018: 109-112 - [c217]Tetsuya Noguchi, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa:
Secure information sharing with mirroring null steering through untrusted relay with two antennas. RWS 2018: 203-205 - [c216]Haruhi Echigo, Tomoaki Ohtsuki:
Graph Coloring-Based Pilot Reuse with AOA and Distance in D2D Underlay Massive MIMO. VTC Spring 2018: 1-6 - [c215]Yan Qi, Tomoaki Ohtsuki:
QoE-Aware Video Streaming Transmission Optimization Method for Playout Threshold Adjustment in LTE. VTC Spring 2018: 1-5 - 2017
- [j95]Shunya Iwata, Tomoaki Ohtsuki, Pooi-Yuen Kam:
A Lower Bound on Secrecy Capacity for MIMO Wiretap Channel Aided by a Cooperative Jammer With Channel Estimation Error. IEEE Access 5: 4636-4645 (2017) - [j94]Kentaroh Toyoda, Mirang Park, Naonobu Okazaki, Tomoaki Ohtsuki:
Novel Unsupervised SPITters Detection Scheme by Automatically Solving Unbalanced Situation. IEEE Access 5: 6746-6756 (2017) - [j93]Xin Guan, Yan Huang, Min Chen, Huayang Wu, Tomoaki Ohtsuki, Yan Zhang:
Exploiting Interference for Capacity Improvement in Software-Defined Vehicular Networks. IEEE Access 5: 10662-10673 (2017) - [j92]Kentaroh Toyoda, P. Takis Mathiopoulos, Iwao Sasase, Tomoaki Ohtsuki:
A Novel Blockchain-Based Product Ownership Management System (POMS) for Anti-Counterfeits in the Post Supply Chain. IEEE Access 5: 17465-17477 (2017) - [j91]Mondher Bouazizi, Tomoaki Ohtsuki:
A Pattern-Based Approach for Multi-Class Sentiment Analysis in Twitter. IEEE Access 5: 20617-20639 (2017) - [j90]Hirotaka Hayashi, Tomoaki Ohtsuki:
Low Computational Complexity Direction-of-Arrival Estimation of Wideband Signal Sources Based on Squared TOPS. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 100-A(1): 219-226 (2017) - [j89]Tomoaki Ohtsuki:
A Smart City Based on Ambient Intelligence. IEICE Trans. Commun. 100-B(9): 1547-1553 (2017) - [j88]Masayoshi Ozawa, Tomoaki Ohtsuki:
Improvements of femto-base station resource utilisation and ABS assignment convergence for dynamic ABS assignment. IET Commun. 11(3): 370-376 (2017) - [j87]Pedro M. Varela, Jihoon Hong, Tomoaki Ohtsuki, Xiaoqi Qin:
IGMM-Based Co-Localization of Mobile Users With Ambient Radio Signals. IEEE Internet Things J. 4(2): 308-319 (2017) - [j86]Fereidoun H. Panahi, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Tadao Nakagawa:
Joint Interference Alignment and Power Allocation for Multi-User MIMO Interference Channels Under Perfect and Imperfect CSI. IEEE Trans. Green Commun. Netw. 1(2): 131-144 (2017) - [c214]Haruhi Echigo, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori:
Fair Pilot Assignment Based on AOA and Pathloss with Location Information in Massive MIMO. GLOBECOM 2017: 1-6 - [c213]Yuto Kakizaki, Tomoaki Ohtsuki, Pooi-Yuen Kam, Kouhei Suzaki, Hirofumi Sasaki, Hideya So:
Joint SDA-MAP Estimation of Channel and Interference Power in Superposed OFDM Transmission. GLOBECOM 2017: 1-6 - [c212]Aohan Li, Guangjie Han, Tomoaki Ohtsuki:
Energy-Efficient Channel Hopping Protocol for Cognitive Radio Networks. GLOBECOM 2017: 1-6 - [c211]Kentaroh Toyoda, Tomoaki Ohtsuki, P. Takis Mathiopoulos:
Identification of High Yielding Investment Programs in Bitcoin via Transactions Pattern Analysis. GLOBECOM 2017: 1-6 - [c210]Shunya Iwata, Tomoaki Ohtsuki, Pooi Yuen Kam:
Secure outage probability over κ-μ fading channels. ICC 2017: 1-6 - [c209]Eriko Mogi, Tomoaki Ohtsuki:
Heartbeat detection with Doppler radar based on spectrogram. ICC 2017: 1-6 - [c208]Ali Shaikh, Fereidoun H. Panahi, Tomoaki Ohtsuki, Kouhei Suzaki, Hirofumi Sasaki, Hideya So, Tadao Nakagawa:
Q-learning based superposed band detection in multicarrier transmission. ICC 2017: 1-6 - [c207]Kota Kanemura, Kentaroh Toyoda, Tomoaki Ohtsuki:
Design of privacy-preserving mobile Bitcoin client based on γ-deniability enabled bloom filter. PIMRC 2017: 1-6 - [c206]Fereidoun H. Panahi, Farzad H. Panahi, Ghaith Hattab, Tomoaki Ohtsuki, Danijela Cabric:
Green heterogeneous networks via an intelligent power control strategy and D2D communications. PIMRC 2017: 1-8 - [c205]Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki:
Driver's blink detection using Doppler sensor. PIMRC 2017: 1-6 - [c204]Yun Ai, Tomoaki Ohtsuki, Michael Cheffena:
Performance Analysis of PLC over Fading Channels with Colored Nakagami-m Background Noise. VTC Spring 2017: 1-6 - [c203]Chaima Dhahri, Tomoaki Ohtsuki:
Antenna Parameters Optimization in Self-Organizing Networks: Multi-Armed Bandits with Pareto Search. VTC Fall 2017: 1-5 - [c202]Masahiro Endo, Tomoaki Ohtsuki, Takeo Fujii, Osamu Takyu:
Secure Channel Selection Using Multi-Armed Bandit Algorithm in Cognitive Radio Network. VTC Spring 2017: 1-5 - [c201]Shunya Iwata, Tomoaki Ohtsuki, Pooi Yuen Kam:
Performance Analysis of Physical Layer Security over Rician/Nakagami-m Fading Channels. VTC Spring 2017: 1-6 - 2016
- [j85]Mondher Bouazizi, Tomoaki Ohtsuki:
A Pattern-Based Approach for Sarcasm Detection on Twitter. IEEE Access 4: 5477-5488 (2016) - [j84]Pedro M. Varela, Tomoaki Ohtsuki:
Discovering Co-Located Walking Groups of People Using iBeacon Technology. IEEE Access 4: 6591-6601 (2016) - [j83]Anthony Beylerian, Tomoaki Ohtsuki:
Multi-point fairness in resource allocation for C-RAN downlink CoMP transmission. EURASIP J. Wirel. Commun. Netw. 2016: 12 (2016) - [j82]Yuto Kakizaki, Yohei Shibata, Tomoaki Ohtsuki, Jun Mashino:
Suppression of multiple wideband interferences based on superposition probability. EURASIP J. Wirel. Commun. Netw. 2016: 198 (2016) - [j81]Hirotaka Hayashi, Tomoaki Ohtsuki:
DOA estimation for wideband signals based on weighted Squared TOPS. EURASIP J. Wirel. Commun. Netw. 2016: 243 (2016) - [j80]Ryuma Seno, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori:
A low-complexity cell clustering algorithm in dense small cell networks. EURASIP J. Wirel. Commun. Netw. 2016: 262 (2016) - [j79]Kunitaka Matsumura, Tomoaki Ohtsuki:
Algorithm Design of Relative Magnitude Coefficients Using Brent's Method on the K-User MIMO-IFC. IEICE Trans. Commun. 99-B(8): 1902-1909 (2016) - [j78]Hirotaka Hayashi, Tomoaki Ohtsuki:
DOA Estimation Using Temporal Spatial Virtual Array Based on Doppler Shift with Adaptive PRI Control. IEICE Trans. Commun. 99-B(9): 2009-2018 (2016) - [j77]Xin Guan, Yan Huang, Zhipeng Cai, Tomoaki Ohtsuki:
Intersection-based forwarding protocol for vehicular ad hoc networks. Telecommun. Syst. 62(1): 67-76 (2016) - [j76]Wael Jaafar, Tomoaki Ohtsuki, Wessam Ajib, David Haccoun:
Impact of the CSI on the Performance of Cognitive Relay Networks With Partial Relay Selection. IEEE Trans. Veh. Technol. 65(2): 673-684 (2016) - [c200]Anthony Beylerian, Tomoaki Ohtsuki:
Coordinated Non-Orthogonal Multiple Access (CO-NOMA). GLOBECOM 2016: 1-5 - [c199]Mondher Bouazizi, Tomoaki Ohtsuki:
Sentiment Analysis in Twitter: From Classification to Quantification of Sentiments within Tweets. GLOBECOM 2016: 1-6 - [c198]Fereidoun H. Panahi, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Kazuhiro Uehara:
Joint Interference Alignment and Power Allocation under Perfect and Imperfect CSI. GLOBECOM 2016: 1-7 - [c197]Chihiro Tamba, Hirotaka Hayashi, Tomoaki Ohtsuki:
Improvement of Blink Detection Using a Doppler Sensor Based on CFAR Processing. GLOBECOM 2016: 1-6 - [c196]Pedro M. Varela, Jihoon Hong, Tomoaki Ohtsuki:
IGMM-Based Approach for Discovering Co-Located Mobile Users. GLOBECOM 2016: 1-6 - [c195]Yugo Agata, Jihoon Hong, Tomoaki Ohtsuki:
Room-level proximity detection based on RSS of dual-band Wi-Fi signals. ICC 2016: 1-6 - [c194]Mondher Bouazizi, Tomoaki Ohtsuki:
Sentiment analysis: From binary to multi-class classification: A pattern-based approach for multi-class sentiment analysis in Twitter. ICC 2016: 1-6 - [c193]Fereidoun H. Panahi, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Kazuhiro Uehara:
Interference alignment and power allocation for multi-user MIMO interference channels. ICC 2016: 1-7 - [c192]Takahiro Hori, Tomoaki Ohtsuki:
QoE and throughput aware radio resource allocation algorithm in LTE network with users using different applications. PIMRC 2016: 1-6 - [c191]Rei Nagashima, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Tadao Nakagawa:
Channel prediction for massive MIMO with channel compression based on principal component analysis. PIMRC 2016: 1-6 - [c190]Tomoaki Ohtsuki, Hiroto Kamoi:
Biometrie authentication using hand movement information from wrist-worn PPG sensors. PIMRC 2016: 1-5 - [c189]Tomoaki Ohtsuki, Eriko Mogi:
Heartbeat detection with Doppler radar based on estimation of average R-R interval using Viterbi algorithm. PIMRC 2016: 1-5 - [c188]Osamu Takyu, Kengo Matsumoto, Tomoaki Ohtsuki, Takeo Fujii, Fumihito Sasamori, Shiro Handa:
Optimal impersonation of CSI for maximizing leaked information to untrusted relay in PLNC. WCNC 2016: 1-5 - 2015
- [j75]Yohei Shibata, Naotoshi Yoda, Tomoaki Ohtsuki, Jun Mashino, Takatoshi Sugiyama:
Iterative estimation of undesired signal power for superposed multicarrier transmission with channel estimation error. EURASIP J. Wirel. Commun. Netw. 2015: 23 (2015) - [j74]Fereidoun H. Panahi, Tomoaki Ohtsuki:
Analytical modeling of cognitive heterogeneous cellular networks over Nakagami-m fading. EURASIP J. Wirel. Commun. Netw. 2015: 61 (2015) - [j73]Fereidoun H. Panahi, Tomoaki Ohtsuki:
Stochastic geometry modeling and analysis of cognitive heterogeneous cellular networks. EURASIP J. Wirel. Commun. Netw. 2015: 141 (2015) - [j72]Masaaki Yamamoto, Tomoaki Ohtsuki:
Power-Absorption-Based Model for Power Compensation in WLAN Positioning Using Smartphone. IEICE Trans. Commun. 98-B(6): 1125-1132 (2015) - [j71]Xin Guan, Aohan Li, Zhipeng Cai, Tomoaki Ohtsuki:
Coalition Graph Game for Robust Routing in Cooperative Cognitive Radio Networks. Mob. Networks Appl. 20(2): 147-156 (2015) - [j70]Jihoon Hong, Tomoaki Ohtsuki:
Signal Eigenvector-Based Device-Free Passive Localization Using Array Sensor. IEEE Trans. Veh. Technol. 64(4): 1354-1363 (2015) - [j69]Xin Guan, Min Chen, Tomoaki Ohtsuki:
Non-cooperative game-based packet ferry forwarding for sparse mobile wireless networks. Wirel. Commun. Mob. Comput. 15(12): 1633-1648 (2015) - [c187]Masayoshi Ozawa, Tomoaki Ohtsuki:
Dynamic almost blank subframe assignment method with power control subframe for user fairness. APCC 2015: 57-61 - [c186]Ryuma Seno, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori:
Complexity reduction of pico cell clustering for interference alignment in heterogeneous networks. APCC 2015: 267-271 - [c185]Yohei Shibata, Tomoaki Ohtsuki, Jun Mashino:
Undesired signal power estimation based on estimated superposed band for multicarrier transmission. APCC 2015: 642-646 - [c184]Anthony Beylerian, Tomoaki Ohtsuki:
Service-aware user-centric clustering and scheduling for cloud-RAN with coordinated multi-point transmission. APSIPA 2015: 252-257 - [c183]Junichi Kabeya, Osamu Takyu, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa:
Performance evaluation of the physical layer security using artificial noise and relay station. APSIPA 2015: 834-839 - [c182]Yugo Agata, Jihoon Hong, Tomoaki Ohtsuki:
Room-level proximity detection using beacon frame from multiple access points. APSIPA 2015: 941-945 - [c181]Mondher Bouazizi, Tomoaki Ohtsuki:
Opinion Mining in Twitter How to Make Use of Sarcasm to Enhance Sentiment Analysis. ASONAM 2015: 1594-1597 - [c180]Mondher Bouazizi, Tomoaki Ohtsuki:
Sarcasm Detection in Twitter: "All Your Products Are Incredibly Amazing!!!" - Are They Really? GLOBECOM 2015: 1-6 - [c179]Yan Huang, Min Chen, Zhipeng Cai, Xin Guan, Tomoaki Ohtsuki, Yan Zhang:
Graph Theory Based Capacity Analysis for Vehicular Ad Hoc Networks. GLOBECOM 2015: 1-5 - [c178]Masayoshi Ozawa, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori:
Interference Alignment for Time-Varying Channel with Channel and Weight Predictions Based on Auto Regressive Model. GLOBECOM 2015: 1-6 - [c177]Kazuki Kobayashi, Tomoaki Ohtsuki:
User identification based on toothbrushing information using three-axis accelerometer. UbiComp/ISWC Adjunct 2015: 129-132 - [c176]Shoichiro Tomii, Tomoaki Ohtsuki:
Heartbeat detection by using Doppler radar with wavelet transform based on scale factor learning. ICC 2015: 483-488 - [c175]Shota Mashiyama, Jihoon Hong, Tomoaki Ohtsuki:
Activity recognition using low resolution infrared array sensor. ICC 2015: 495-500 - [c174]Yusuke Hino, Jihoon Hong, Tomoaki Ohtsuki:
Activity recognition using array antenna. ICC 2015: 507-511 - [c173]Hirotaka Hayashi, Tomoaki Ohtsuki:
DOA estimation in MIMO radar using temporal spatial virtual array with MUSIC algorithm. ICSPCS 2015: 1-6 - [c172]Ajib Setyo Arifin, Tomoaki Ohtsuki:
Ergodic capacity analysis of full-duplex amplify-forward MIMO relay channel using Tracy-Widom distribution. PIMRC 2015: 266-270 - [c171]Fereidoun H. Panahi, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori:
Interference alignment for multi-user MIMO interference channels via a Riemannian optimization approach. PIMRC 2015: 287-292 - [c170]Yuto Kakizaki, Tomoaki Ohtsuki, Jun Mashino:
Suppression of multiple interferences for superposed multicarrier transmission. PIMRC 2015: 466-470 - [c169]Shunya Iwata, Tomoaki Ohtsuki:
On secrecy rate analysis of MIMO wiretap channel aided by a cooperative jammer with channel estimation error. PIMRC 2015: 906-910 - [c168]Eriko Mogi, Tomoaki Ohtsuki:
Heartbeat detection with Doppler sensor using adaptive scale factor selection on learning. PIMRC 2015: 2166-2170 - [c167]Kengo Matsumoto, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa:
Evaluation of information leak by robustness evaluation of countermeasure to disguised CSI in PLNC considering physical layer security. RWS 2015: 123-125 - [c166]Fereidoun H. Panahi, Tomoaki Ohtsuki:
Analytical Evaluation of Coverage Probability in Two-Tier Cognitive Femto Networks. VTC Spring 2015: 1-6 - [c165]Ryuma Seno, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori:
Interference Alignment in Heterogeneous Networks Using Pico Cell Clustering. VTC Fall 2015: 1-5 - 2014
- [j68]Fereidoun H. Panahi, Tomoaki Ohtsuki:
Optimal Channel-Sensing Scheme for Cognitive Radio Systems Based on Fuzzy Q-Learning. IEICE Trans. Commun. 97-B(2): 283-294 (2014) - [j67]Chaima Dhahri, Tomoaki Ohtsuki:
Adaptive Q-Learning Cell Selection Method for Open-Access Femtocell Networks: Multi-User Case. IEICE Trans. Commun. 97-B(8): 1679-1688 (2014) - [j66]Tomoaki Ohtsuki:
Foreword. IEICE Trans. Commun. 97-B(9): 1750-1751 (2014) - [j65]Juan Camilo Corena, Tomoaki Ohtsuki:
Pollution-Free Regenerating Codes With Fast Reconstruction Verification for Verifiable Cloud Storage. J. Networks 9(11): 2892-2904 (2014) - [j64]He Zhuang, Tomoaki Ohtsuki:
A model based on Poisson point process for downlink K tiers fractional frequency reuse heterogeneous networks. Phys. Commun. 13: 3-12 (2014) - [j63]Chaima Dhahri, Tomoaki Ohtsuki:
Cell selection for open-access femtocell networks: Learning in changing environment. Phys. Commun. 13: 42-52 (2014) - [j62]He Zhuang, Tomoaki Ohtsuki:
A Model Based on Poisson Point Process for Analyzing MIMO Heterogeneous Networks Utilizing Fractional Frequency Reuse. IEEE Trans. Wirel. Commun. 13(12): 6839-6850 (2014) - [c164]Ajib Setyo Arifin, Tomoaki Ohtsuki:
Global SNR maximization for distributed estimation and capacity of data collection in wireless sensor networks using individual power constraint. APSIPA 2014: 1-5 - [c163]Kazuma Yamaguchi, Osamu Takyu, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa:
Physical layer network coding with multiple untrusted relays for physical layer security. APSIPA 2014: 1-5 - [c162]Juan Camilo Corena, Anirban Basu, Shinsaku Kiyomoto, Yutaka Miyake, Tomoaki Ohtsuki:
XOR network coding pollution prevention without homomorphic functions. CCNC 2014: 293-300 - [c161]Yan Huang, Hong Wu, Yan Zhang, Xin Guan, Tomoaki Ohtsuki:
Improve the performance of bus-assisted vehicular ad hoc networks via cooperative game theory. ChinaCom 2014: 176-180 - [c160]Aohan Li, Xin Guan, Ziheng Yang, Tomoaki Ohtsuki:
Coalition graph game for multi-hop routing path selection in Cooperative Cognitive Radio Networks. ChinaCom 2014: 530-534 - [c159]Jihoon Hong, Tomoaki Ohtsuki:
Device-free passive localization from signal subspace eigenvectors. GLOBECOM 2014: 430-435 - [c158]Juan Camilo Corena, Anirban Basu, Shinsaku Kiyomoto, Yutaka Miyake, Tomoaki Ohtsuki:
Beyond proofs of data possession: Finding defective blocks in outsourced storage. GLOBECOM 2014: 2381-2386 - [c157]Naotoshi Yoda, Tomoaki Ohtsuki, Jun Mashino, Takatoshi Sugiyama:
Interference suppression using EM algorithm in OFDM transmissions. GLOBECOM 2014: 3249-3254 - [c156]Fereidoun H. Panahi, Tomoaki Ohtsuki:
Analytical modeling of cognitive heterogeneous cellular networks over Nakagami-m fading. GLOBECOM 2014: 3628-3634 - [c155]He Zhuang, Tomoaki Ohtsuki:
Analytical evaluation of fractional frequency reuse for MIMO heterogeneous cellular networks. GLOBECOM 2014: 4275-4280 - [c154]Kunitaka Matsumura, Tomoaki Ohtsuki:
Design algorithm of relative magnitude coefficients using Brent's method on the K-User MIMO-IFC. ICC 2014: 4613-4619 - [c153]Fereidoun H. Panahi, Tomoaki Ohtsuki:
Stochastic geometry based analytical modeling of cognitive heterogeneous cellular networks. ICC 2014: 5281-5286 - [c152]Masaaki Yamamoto, Tomoaki Ohtsuki:
Power compensation in WLAN positioning using a smartphone. ISSNIP 2014: 1-6 - [c151]Masahiro Endo, Tomoaki Ohtsuki, Takeo Fujii, Osamu Takyu:
Secondary transmit beamformings for spectrum leasing in CRNs in the presence of eavesdropper. PIMRC 2014: 758-762 - [c150]Kurumi Yamamoto, Tomoaki Ohtsuki:
Parameter optimization using local search for CRE and eICIC in heterogeneous network. PIMRC 2014: 1536-1540 - [c149]Yohei Shibata, Naotoshi Yoda, Tomoaki Ohtsuki, Jun Mashino, Takatoshi Sugiyama:
Iterative estimation of undesired signal power for superposed multicarrier transmission with channel estimation error. PIMRC 2014: 1913-1917 - [c148]Yohei Murakami, Tomoaki Ohtsuki:
Localization calibration using illuminance sensor for pedestrian dead reckoning with smartphones. PIMRC 2014: 2034-2039 - [c147]Yusuke Hino, Jihoon Hong, Tomoaki Ohtsuki:
Detecting unexpected fall using array antenna. PIMRC 2014: 2104-2108 - [c146]Shota Mashiyama, Jihoon Hong, Tomoaki Ohtsuki:
A fall detection system using low resolution infrared array sensor. PIMRC 2014: 2109-2113 - [c145]Chihiro Tamba, Shoichiro Tomii, Tomoaki Ohtsuki:
Blink detection using Doppler sensor. PIMRC 2014: 2119-2124 - [c144]Toshihito Kudo, Tomoaki Ohtsuki:
Q-Learning Based Cell Selection for UE Outage Reduction in Heterogeneous Networks. VTC Fall 2014: 1-5 - [c143]Masaaki Yamamoto, Tomoaki Ohtsuki, Hironori Utsumi, Naohiro Furukawa:
Mobile-phone indoor localization based on microwave identification using web-access time. WiSNet 2014: 28-30 - 2013
- [j61]Toshihito Kudo, Tomoaki Ohtsuki:
Cell range expansion using distributed Q-learning in heterogeneous networks. EURASIP J. Wirel. Commun. Netw. 2013: 61 (2013) - [j60]Oussama Souihli, Tomoaki Ohtsuki:
Benefits of Rich Scattering in MIMO Channels: A Graph-Theoretical Perspective. IEEE Commun. Lett. 17(1): 23-26 (2013) - [j59]Kazuhiko Mitsuyama, Tetsuomi Ikeda, Tomoaki Ohtsuki:
MIMO Receiver with Antenna Subset Selection: Algorithm and Hardware Implementation. IEICE Trans. Commun. 96-B(4): 1039-1050 (2013) - [j58]Yusuke Inatomi, Jihoon Hong, Tomoaki Ohtsuki:
Hidden Markov Model Based Localization Using Array Antenna. Int. J. Wirel. Inf. Networks 20(4): 246-255 (2013) - [j57]Kazuhiko Mitsuyama, Tetsuomi Ikeda, Tomoaki Ohtsuki:
Development and Performance Evaluation of MMSE MacroDiversity Reception System With Delay Difference Correction. IEEE Trans. Veh. Technol. 62(9): 4288-4298 (2013) - [c142]Toshihito Kudo, Tomoaki Ohtsuki:
Cell selection using distributed Q-learning in heterogeneous networks. APSIPA 2013: 1-6 - [c141]Juan Camilo Corena, Tomoaki Ohtsuki:
Proofs of data possession and pollution checking for Regenerating Codes. GLOBECOM 2013: 2717-2722 - [c140]Oussama Souihli, Tomoaki Ohtsuki:
A case where noise increases the secrecy capacity of wiretap channels. GLOBECOM 2013: 3276-3281 - [c139]Jihoon Hong, Tomoaki Ohtsuki:
Ambient intelligence sensing using array sensor: device-free radio based approach. UbiComp (Adjunct Publication) 2013: 509-520 - [c138]Yoshihisa Okamoto, Tomoaki Ohtsuki:
Human activity classification and localization algorithm based on temporal-spatial virtual array. ICC 2013: 1512-1516 - [c137]Fereidoun H. Panahi, Tomoaki Ohtsuki:
Optimal channel-sensing policy based on Fuzzy Q-Learning process over cognitive radio systems. ICC 2013: 2677-2682 - [c136]Yoshihisa Okamoto, Tomoaki Ohtsuki:
Human activity classification and localization using bistatic three frequency CW radar. ICC 2013: 4808-4812 - [c135]Yan Huang, Xin Guan, Zhipeng Cai, Tomoaki Ohtsuki:
Multicast capacity analysis for social-proximity urban bus-assisted VANETs. ICC 2013: 6138-6142 - [c134]Jihoon Hong, Tomoaki Ohtsuki:
Array sensor: Monitoring using wireless signals. ICTC 2013: 757-758 - [c133]Naotoshi Yoda, Genji Hayashi, Tomoaki Ohtsuki, Jun Mashino, Takatoshi Sugiyama:
Interference detection technique using robust LLR for superposed multicarrier transmission. PIMRC 2013: 1092-1096 - [c132]Norharyati Binti Harum, Kouki Yuda, Tomoaki Ohtsuki:
PAPR reduction of amplify-and-forward relay OFDM system using subcarrier pairing method. PIMRC 2013: 2005-2010 - [c131]Jihoon Hong, Shoichiro Tomii, Tomoaki Ohtsuki:
Cooperative fall detection using Doppler radar and array sensor. PIMRC 2013: 3492-3496 - [c130]Juan Camilo Corena, Tomoaki Ohtsuki:
Load balancing regenerating codes for multimedia content streaming. PIMRC 2013: 3558-3562 - [c129]Ajib Setyo Arifin, Tomoaki Ohtsuki:
Linear Precoding for Distributed Estimation of Correlated Sources in WSN MIMO System. VTC Spring 2013: 1-5 - [c128]Toshihito Kudo, Tomoaki Ohtsuki:
Cell Range Expansion Using Distributed Q-Learning in Heterogeneous Networks. VTC Fall 2013: 1-5 - 2012
- [j56]Xin Guan, Min Chen, Tomoaki Ohtsuki:
Epidemic theory based H+1 hop forwarding for intermittently connected mobile ad hoc networks. EURASIP J. Wirel. Commun. Netw. 2012: 76 (2012) - [j55]Marouen Jilani, Tomoaki Ohtsuki:
Joint SVD-GSVD Precoding Technique and Secrecy Capacity Lower Bound for the MIMO Relay Wire-tap Channel. EURASIP J. Wirel. Commun. Netw. 2012: 361 (2012) - [j54]Norharyati Binti Harum, Tomoaki Ohtsuki, Masao Nakagawa:
PAPR Reduction of TDD-CDMA Using Joint Transmission Technique. IEICE Trans. Commun. 95-B(3): 933-942 (2012) - [j53]Jihoon Hong, Tomoaki Ohtsuki:
State Classification with Array Sensor Using Support Vector Machine for Wireless Monitoring Systems. IEICE Trans. Commun. 95-B(10): 3088-3095 (2012) - [j52]Tomoaki Ohtsuki:
Foreword. IEICE Trans. Commun. 95-B(12): 3653 (2012) - [j51]Jihoon Hong, Shun Kawakami, Clement N. Nyirenda, Tomoaki Ohtsuki:
Array Antenna based Localization Using Spatial Smoothing Processing. J. Commun. 7(6): 427-435 (2012) - [j50]Juan Camilo Corena, Tomoaki Ohtsuki:
Secure and Fast Aggregation of Financial Data in Cloud-Based Expense Tracking Applications. J. Netw. Syst. Manag. 20(4): 534-560 (2012) - [j49]Oussama Souihli, Tomoaki Ohtsuki:
Transparent Inband Feedback for Training-Based MIMO Systems. Wirel. Pers. Commun. 63(3): 587-599 (2012) - [c127]Juan Camilo Corena, Tomoaki Ohtsuki:
Thwarting Diversity Attacks in wireless network coding using threshold signatures and a sender-centered approach. GLOBECOM 2012: 1060-1065 - [c126]Kunitaka Matsumura, Tomoaki Ohtsuki:
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 2012: 3772-3777 - [c125]Chaima Dhahri, Tomoaki Ohtsuki:
Q-learning cell selection for femtocell networks: Single- and multi-user case. GLOBECOM 2012: 4975-4980 - [c124]Shoichiro Tomii, Tomoaki Ohtsuki:
Falling detection using multiple doppler sensors. Healthcom 2012: 196-201 - [c123]Xin Guan, Min Chen, Tomoaki Ohtsuki:
Epidemic theory based H + 1 hop forwarding for intermittently connected mobile Ad Hoc networks. ICC 2012: 2114-2118 - [c122]Tomoaki Ohtsuki:
Wireless security and monitoring system using array antenna: Array sensor. ICNC 2012: 551-555 - [c121]Genji Hayashi, Tomoaki Ohtsuki:
Interference mitigation depending on the number of antennas and CSI available at femtocells. ISITA 2012: 150-154 - [c120]Yusuke Inatomi, Jihoon Hong, Tomoaki Ohtsuki:
Hidden Markov model based localization using array antenna. PIMRC 2012: 2472-2476 - [c119]Franck Dirhold, Tomoaki Ohtsuki:
A new human model for Doppler radar simulation. PIMRC 2012: 2547-2552 - [c118]Osamu Takyu, Hiroyoshi Yano, Takeo Fujii, Tomoaki Ohtsuki:
Double stage and combining detection for cyclo-stationary feature. RWS 2012: 371-374 - [c117]Juan Camilo Corena, Tomoaki Ohtsuki:
A Multiple-MAC-Based Protocol to Identify Misbehaving Nodes in Network Coding. VTC Fall 2012: 1-5 - [c116]Chaima Dhahri, Tomoaki Ohtsuki:
Learning-Based Cell Selection Method for Femtocell Networks. VTC Spring 2012: 1-5 - [c115]Marouen Jilani, Tomoaki Ohtsuki:
Joint SVD-GSVD Precoding Technique and Secrecy Capacity Lower Bound for the MIMO Relay Wire-Tap Channel. VTC Spring 2012: 1-5 - [c114]Kazuhiko Mitsuyama, Tetsuomi Ikeda, Tomoaki Ohtsuki:
Hardware Implementation of Proposed Antenna Selection Algorithm and Its Performance Evaluation Using Received Signals in Field Experiment. VTC Fall 2012: 1-5 - [c113]Tomoaki Ohtsuki, Genji Hayashi, Jun Mashino, Takatoshi Sugiyama:
Superposed Band Detection Based on Error Probability Using Initial Likelihood Masking. VTC Spring 2012: 1-5 - [c112]Takuya Yamada, Tomoaki Ohtsuki:
Cooperative ARQ with Fairness via Vickrey Auction-Based Spectrum Leasing. VTC Spring 2012: 1-5 - [c111]Takuya Yamada, Tomoaki Ohtsuki:
High Power Efficiency Transmission Based on Game Theory for AF Cooperative Communication. VTC Fall 2012: 1-5 - [c110]Jihoon Hong, Shun Kawakami, Tomoaki Ohtsuki:
Passive localization using array sensor with support vector machine. WPNC 2012: 169-174 - 2011
- [j48]Shun Kawakami, Tomoaki Ohtsuki:
Localization using iterative angle of arrival method sharing snapshots of coherent subarrays. EURASIP J. Adv. Signal Process. 2011: 46 (2011) - [j47]Kunitaka Matsumura, Tomoaki Ohtsuki:
Orthogonal beamforming using Gram-Schmidt orthogonalization for multi-user MIMO downlink system. EURASIP J. Wirel. Commun. Netw. 2011: 41 (2011) - [j46]Hui Chen, Qun Wan, Hongyang Chen, Tomoaki Ohtsuki:
Robust DOA Estimation for Uncorrelated and Coherent Signals. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 94-A(10): 2035-2038 (2011) - [j45]Yu Hemmi, Koichi Adachi, Tomoaki Ohtsuki:
Subcarrier Mapping for Single-User SC-FDMA Relay Communications. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 94-A(12): 2776-2779 (2011) - [j44]Nandar Lynn, Osamu Takyu, Koichi Adachi, Masao Nakagawa, Tomoaki Ohtsuki:
An Autonomous Selective Cooperative ARQ Protocol for Hybrid Mobile Wireless Sensor Networks. J. Commun. 6(2): 157-167 (2011) - [c109]Hiroyoshi Yano, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki:
Low complexity cyclostationary feature detection method to compenstate cyclostationarity-degradation by guard interval insertion. CrownCom 2011: 51-55 - [c108]Xin Guan, Min Chen, Cong Liu, Hongyang Chen, Tomoaki Ohtsuki:
Trajectory Optimization of Packet Ferries in Sparse Mobile Social Networks. GLOBECOM 2011: 1-5 - [c107]Kazuhiko Mitsuyama, Tetsuomi Ikeda, Tomoaki Ohtsuki:
Development of MMSE Macro-Diversity Receiver with Delay Difference Correction Technique. GLOBECOM 2011: 1-5 - [c106]Chinnapat Sertthin, Takeo Fujii, Osamu Takyu, Yohtaro Umeda, Tomoaki Ohtsuki:
On Physical Layer Simulation Model for 6-Axis Sensor Assisted VLC Based Positioning System. GLOBECOM 2011: 1-5 - [c105]Kyohei Takano, Koichi Adachi, Tomoaki Ohtsuki:
Transmit and Receive Weights in Vector Coding with Channel Estimation Error and Feedback Delay. GLOBECOM 2011: 1-5 - [c104]Weile Zhang, Hongyang Chen, Qinye Yin, Tomoaki Ohtsuki:
Blind Carrier Frequency Offset Estimation for MIMO OFDMA Uplink. GLOBECOM 2011: 1-5 - [c103]Xin Guan, Cong Liu, Min Chen, Hongyang Chen, Tomoaki Ohtsuki:
Internal Threats Avoiding Based Forwarding Protocol in Social Selfish Delay Tolerant Networks. ICC 2011: 1-6 - [c102]Weile Zhang, Qinye Yin, Hongyang Chen, Wenjie Wang, Tomoaki Ohtsuki:
Distributed Angle Estimation for Wireless Sensor Network Localization with Multipath Fading. ICC 2011: 1-6 - [c101]Chinnapat Sertthin, Tomoaki Ohtsuki, Osamu Takyu, Takeo Fujii, Yohtaro Umeda:
A nearest transmitter classification method for VLC based positioning system. PIMRC 2011: 1259-1263 - [c100]Jihoon Hong, Tomoaki Ohtsuki:
A state classification method based on space-time signal processing using SVM for wireless monitoring systems. PIMRC 2011: 2229-2233 - [c99]Prasertsak Charoen, Tomoaki Ohtsuki:
Codebook Based Interference Mitigation with Base Station Cooperation in Multi-Cell Cellular Network. VTC Fall 2011: 1-5 - [c98]Hironori Kizuka, Koichi Adachi, Tomoaki Ohtsuki:
Frequency Band Allocation in MIMO System Based on Received Power Difference among Users. VTC Spring 2011: 1-5 - [c97]Kunitaka Matsumura, Tomoaki Ohtsuki:
Orthogonal Beamforming Using Gram-Schmidt Orthogonalization for Multi-User MIMO Downlink System. VTC Spring 2011: 1-5 - [c96]Kazunori Yamamoto, Koichi Adachi, Tomoaki Ohtsuki:
Phase Rotation Sequence Selection Method for IFDMA with DDCE. VTC Spring 2011: 1-5 - 2010
- [j43]You-Chiun Wang, Tomoaki Ohtsuki, Athanasios V. Vasilakos, Ashutosh Sabharwal, Yuh-Shyan Chen, Yu-Chee Tseng:
Algorithms, Protocols and Future Applications of Wireless Sensor Networks. Comput. J. 53(10): 1551-1552 (2010) - [j42]Chinnapat Sertthin, Takeo Fujii, Tomoaki Ohtsuki, Masao Nakagawa:
Multi-Band Received Signal Strength Fingerprinting Based Indoor Location System. IEICE Trans. Commun. 93-B(8): 1993-2003 (2010) - [j41]Chinnapat Sertthin, Tomoaki Ohtsuki, Masao Nakagawa:
6-Axis Sensor Assisted Low Complexity High Accuracy-Visible Light Communication Based Indoor Positioning System. IEICE Trans. Commun. 93-B(11): 2879-2891 (2010) - [j40]Kazuhiko Mitsuyama, Kohei Kambara, Takayuki Nakagawa, Tetsuomi Ikeda, Tomoaki Ohtsuki:
Performance Evaluation of Iterative LDPC-Coded MIMO OFDM System with Time Interleaving. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 93-A(12): 2654-2662 (2010) - [j39]Yusuke Kumano, Tomoaki Ohtsuki:
Half-duplex relaying with serially concatenated low-density generator matrix (SCLDGM) codes. Phys. Commun. 3(2): 129-135 (2010) - [j38]Xin Guan, Lin Guan, Xin Gang Wang, Tomoaki Ohtsuki:
A new load balancing and data collection algorithm for energy saving in wireless sensor networks. Telecommun. Syst. 45(4): 313-322 (2010) - [j37]Oussama Souihli, Tomoaki Ohtsuki:
Joint feedback and scheduling scheme for service-differentiated multiuser MIMO systems. IEEE Trans. Wirel. Commun. 9(2): 528-533 (2010) - [c95]Oussama Souihli, Tomoaki Ohtsuki:
A Novel Capacity Outer Bound for the MIMO Gaussian Interference Channel and Application to Relay-Assisted Communications. GLOBECOM 2010: 1-5 - [c94]Kazuki Okane, Tomoaki Ohtsuki:
Resolution Improvement of Wideband Direction-of-Arrival Estimation "Squared-TOPS". ICC 2010: 1-5 - [c93]Oussama Souihli, Tomoaki Ohtsuki:
Network MIMO in the Presence of Transmit Desynchronization. ICC 2010: 1-6 - [c92]Oussama Souihli, Tomoaki Ohtsuki:
The MIMO Relay Channel in the Presence of Keyhole Effects. ICC 2010: 1-5 - [c91]Naohiro Tsuji, Tomoaki Ohtsuki:
Initial LLR Setting for Belief Propagation Decoding in Relay System. ICC 2010: 1-5 - [c90]Yusuke Kumano, Tomoaki Ohtsuki:
Half-Duplex Relaying with Serially-Concatenated Low-Density Generator Matrix (SCLDGM) Codes. VTC Spring 2010: 1-5 - [c89]Oussama Souihli, Tomoaki Ohtsuki:
Transparent Inband Feedback for Training-Based MIMO Systems. VTC Spring 2010: 1-5 - [c88]Naohiro Tsuji, Tomoaki Ohtsuki:
Extrinsic Information Setting for Belief Propagation Decoding with Network Coding. VTC Spring 2010: 1-5 - [c87]Kazuhiko Mitsuyama, Kohei Kambara, Takayuki Nakagawa, Tetsuomi Ikeda, Tomoaki Ohtsuki:
Performance evaluation of iterative LDPC-coded MIMO OFDM system with time interleaving in mobile line-of-sight environments. WSA 2010: 80-87
2000 – 2009
- 2009
- [j36]JunHwan Lee, Tomoaki Ohtsuki, Masao Nakagawa:
Turbo Equalized Double Window Cancellation and Combining Robust to Large Delay Spread Channel. IEICE Trans. Commun. 92-B(2): 517-526 (2009) - [j35]Yuki Tsuchiya, Tomoaki Ohtsuki:
Random Beamforming Using Iterative Power Allocation with Small Feedback Information and Low Latency. IEICE Trans. Commun. 92-B(5): 1908-1911 (2009) - [j34]Shohei Ikeda, Hiroyuki Tsuji, Tomoaki Ohtsuki:
Indoor Event Detection with Eigenvector Spanning Signal Subspace for Home or Office Security. IEICE Trans. Commun. 92-B(7): 2406-2412 (2009) - [j33]Zhi Min, Tomoaki Ohtsuki:
An Improved User Selection Algorithm in Multiuser MIMO Broadcast with Channel Prediction. IEICE Trans. Commun. 92-B(8): 2667-2674 (2009) - [c86]Oussama Souihli, Tomoaki Ohtsuki:
Cooperative Diversity Can Mitigate Keyhole Effects in Wireless MIMO Systems. GLOBECOM 2009: 1-6 - [c85]Oussama Souihli, Tomoaki Ohtsuki:
The Two-Way MIMO Wire-Tap Channel. ICC 2009: 1-6 - [c84]Xin Guan, Lin Guan, Xin Gang Wang, Tomoaki Ohtsuki:
A Novel Routing Algorithm Based on Ant Colony System for Wireless Sensor Networks. ICCCN 2009: 1-5 - [c83]Noriaki Kitakoga, Tomoaki Ohtsuki:
A Localization Algorithm for Nonuniform Propagation Environments in Sensor Networks. ICCCN 2009: 1-5 - [c82]Zhi Min, Tomoaki Ohtsuki:
An improved user selection algorithm in multiuser MIMO broadcast. PIMRC 2009: 192-196 - [c81]JunHwan Lee, Tomoaki Ohtsuki, Masao Nakagawa:
Performance of turbo equalized double window cancellation and combining in large delay spread channels. PIMRC 2009: 226-230 - [c80]Shohei Ikeda, Tomoaki Ohtsuki, Hiroyuki Tsuji:
Signal-subspace-partition event filtering for eigenvector-based security system using radio waves. PIMRC 2009: 2792-2796 - [c79]Naohiro Tsuji, Tomoaki Ohtsuki:
Initial LLR setting for belief propagation decoding with network coding. PIMRC 2009: 3049-3053 - [c78]Oussama Souihli, Tomoaki Ohtsuki:
Joint Feedback and Scheduling Scheme for Service- Differentiated Multiuser MIMO Systems. VTC Fall 2009 - 2008
- [j32]Yuki Tsuchiya, Tomoaki Ohtsuki, Toshinobu Kaneko:
Scheduling Algorithm with Power Allocation for Random Unitary Beamforming. IEICE Trans. Commun. 91-B(1): 232-238 (2008) - [j31]Kenichi Kobayashi, Takao Someya, Tomoaki Ohtsuki, Sigit P. W. Jarot, Tsuyoshi Kashima:
MIMO System with Relative Phase Difference Time-Shift Modulation for Rician Fading Environment. IEICE Trans. Commun. 91-B(2): 459-465 (2008) - [j30]Kenichi Kobayashi, Tomoaki Ohtsuki, Toshinobu Kaneko:
MIMO Systems in the Presence of Feedback Delay. IEICE Trans. Commun. 91-B(3): 829-836 (2008) - [j29]Satoshi Gounai, Tomoaki Ohtsuki, Toshinobu Kaneko:
Mapping for Iterative MMSE-SIC with Belief Propagation. IEICE Trans. Commun. 91-B(7): 2187-2197 (2008) - [j28]Satoshi Gounai, Tomoaki Ohtsuki:
Convergence Acceleration of Iterative Signal Detection for MIMO System with Belief Propagation. IEICE Trans. Commun. 91-B(8): 2640-2647 (2008) - [c77]Takahiro Fujita, Tomoaki Ohtsuki:
Low Complexity Localization Algorithm Based on NLOS Node Identification Using Minimum Subset for NLOS Environments. GLOBECOM 2008: 5389-5393 - [c76]Kenichi Kobayashi, Takao Someya, Tomoaki Ohtsuki, Sigit P. W. Jarot, Tsuyoshi Kashima:
MIMO System with Relative Phase Difference Time-Shift Modulation in Rician Fading Environments. ICC 2008: 732-736 - [c75]Yoshitaka Eriguchi, Tomoaki Ohtsuki:
A Random Beamforming Technique in Multiuser Multi-Antenna OFDM Systems For Large System Capacity and Fairness Among Users. VTC Fall 2008: 1-5 - [c74]Shohei Ikeda, Hiroyuki Tsuji, Tomoaki Ohtsuki:
Indoor Event Detection with Eigenvector Spanning Signal Subspace for Home or Office Security. VTC Fall 2008: 1-5 - [c73]Junichi Shirahama, Tomoaki Ohtsuki:
RSS-Based Localization in Environments with Different Path Loss Exponent for Each Link. VTC Spring 2008: 1509-1513 - 2007
- [j27]Tomoaki Ohtsuki:
LDPC Codes in Communications and Broadcasting. IEICE Trans. Commun. 90-B(3): 440-453 (2007) - [j26]Satoshi Gounai, Tomoaki Ohtsuki, Toshinobu Kaneko:
Lowering the Error Floors of Irregular LDPC Code on Fast Fading Environment with Perfect and Imperfect CSIs. IEICE Trans. Commun. 90-B(3): 569-577 (2007) - [j25]Fumiaki Tsuzuki, Tomoaki Ohtsuki:
Performance Evaluation of SAGE Algorithm for Channel Estimation and Data Detection Using Superimposed Training in MIMO System. IEICE Trans. Commun. 90-B(6): 1460-1466 (2007) - [j24]JunHwan Lee, Yoshihisa Kishiyama, Tomoaki Ohtsuki, Masao Nakagawa:
Double Window Cancellation and Combining for OFDM in Time-Invariant Large Delay Spread Channel. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 90-A(10): 2066-2078 (2007) - [c72]Jianqin Zhou, Zhenfei Xie, Tomoaki Ohtsuki:
Codes with Low Peak-to-Average Power Ratio for Multi-Code CDMA. FGCN (1) 2007: 27-31 - [c71]Kenichi Kobayashi, Tomoaki Ohtsuki, Toshinobu Kaneko:
Precoding for MIMO Systems in Line-Of-Sight (LOS) Environment. GLOBECOM 2007: 4370-4374 - [c70]Daisuke Takase, Tomoaki Ohtsuki:
Optical Wireless MIMO (OMIMO) with Backward Spatial Filter (BSF) in Diffuse Channels. ICC 2007: 2462-2467 - [c69]Satoshi Gounai, Tomoaki Ohtsuki:
Mapping for Iterative MMSE-SIC with Belief Propagation. ICC 2007: 4885-4890 - [c68]Kenichi Kobayashi, Tomoaki Ohtsuki, Toshinobu Kaneko:
Throughput Maximization Transmission Control Scheme Using Precoding for MIMO Systems. ICC 2007: 5098-5102 - [c67]Yuki Tsuchiya, Tomoaki Ohtsuki, Toshinobu Kaneko:
Random Beamforming Using Low Feedback and Low Latency Power Allocation. VTC Fall 2007: 402-406 - [c66]Daisuke Abematsu, Tomoaki Ohtsuki, Sigit P. W. Jarot, Tsuyoshi Kashima:
Size Compatible (SC)-Array LDPC Codes. VTC Fall 2007: 1147-1151 - [c65]Yuki Tsuchiya, Tomoaki Ohtsuki, Toshinobu Kaneko:
Scheduling Algorithm with Power Allocation for Random Unitary Beamforming. VTC Spring 2007: 1668-1672 - [c64]Hiroyuki Sato, Tomoaki Ohtsuki, Tsuyoshi Kashima, Sigit P. W. Jarot:
MultiBand-OFDM System with Concatenated Coding Scheme. VTC Spring 2007: 2165-2169 - [c63]Katsunari Honjo, Tomoaki Ohtsuki:
LLR Based Iterative Reduced-Complexity MLD Algorithm with Parallel Interference Cancellation (PIC) in MIMO Systems. VTC Spring 2007: 2324-2328 - [c62]Yoshitaka Eriguchi, Tomoaki Ohtsuki, Toshinobu Kaneko:
Low Computational Complexity 2-Dimensional Pilot-Symbol-Assisted (2-D PSA) MMSE Channel Estimation with Extended Estimation Size for MIMO-OFDM Systems. WCNC 2007: 181-185 - 2006
- [j23]Satoshi Gounai, Tomoaki Ohtsuki:
Lowering Error Floor of Irregular LDPC Codes by CRC and OSD Algorithm. IEICE Trans. Commun. 89-B(1): 1-10 (2006) - [j22]Fumiaki Tsuzuki, Tomoaki Ohtsuki:
Channel Estimation with Selective Superimposed Pilot Sequences under Fast Fading Environments. IEICE Trans. Commun. 89-B(2): 556-563 (2006) - [j21]Katsunari Honjo, Tomoaki Ohtsuki:
Computational Complexity Reduction of MLD Based on SINR in MIMO Spatial Multiplexing Systems. IEICE Trans. Commun. 89-B(3): 914-921 (2006) - [j20]Tomoaki Ohtsuki:
Performance Analysis of Statistical STBC Cooperative Diversity Using Binary Sensors with Observation Noise. IEICE Trans. Commun. 89-B(3): 970-973 (2006) - [j19]Yoichi Inaba, Tomoaki Ohtsuki:
Bootstrapped Modified Weighted Bit Flipping Decoding of Low Density Parity Check Codes. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 89-A(4): 1145-1149 (2006) - [j18]Yoichi Inaba, Tomonori Saito, Tomoaki Ohtsuki:
Reliability-Based Hybrid ARQ (RB-HARQ) Schemes Using Low-Density Parity-Check (LDPC) Codes. IEICE Trans. Commun. 89-B(4): 1170-1177 (2006) - [j17]Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa:
A Sign Selection Method of Orthogonal Variable Spreading Factor Code for Peak Power Reduction in Multi-Rate OFCDM Systems. IEICE Trans. Commun. 89-B(4): 1333-1345 (2006) - [j16]Daisuke Takase, Tomoaki Ohtsuki:
Spatial Multiplexing in Optical Wireless MIMO Communications Over Indoor Environment. IEICE Trans. Commun. 89-B(4): 1364-1371 (2006) - [j15]Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa:
Companding System Based on Time Clustering for Reducing Peak Power of OFDM Symbol in Wireless Communications. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 89-A(7): 1884-1891 (2006) - [j14]Shoji Ichiki, Tomoaki Ohtsuki:
Chip-Level Detection in Optical Frequency Hopping Code Division Multiple Access. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 89-A(7): 2056-2062 (2006) - [c61]Takahiro Fujita, Tomoaki Ohtsuki, Toshinobu Kaneko:
Estimation Method of False Alarm Probability and Observation Noise Variance in Wireless Sensor Networks. FUSION 2006: 1-6 - [c60]Satoshi Gounai, Tomoaki Ohtsuki:
Convergence Acceleration of Iterative Signal Detection for MIMO System with Belief Propagation. GLOBECOM 2006 - [c59]Yoichi Inaba, Tomonori Saito, Tomoaki Ohtsuki:
Reliability-Based Hybrid ARQ (RB-HARQ) Schemes using Low-Density Parity-Check (LDPC) Codes. GLOBECOM 2006 - [c58]Fumiaki Tsuzuki, Tomoaki Ohtsuki:
SAGE Algorithm for Channel Estimation and Data Detection Using Superimposed Training in MIMO System. GLOBECOM 2006 - [c57]Satoshi Gounai, Tomoaki Ohtsuki, Toshinobu Kaneko:
Performance of Concatenated Code with LDPC Code and RSC Code. ICC 2006: 1195-1199 - [c56]Kenichi Kobayashi, Tomoaki Ohtsuki, Toshinobu Kaneko:
MIMO Systems in the Presence of Feedback Delay. ICC 2006: 4102-4106 - [c55]Amane Inoue, Tomoaki Ohtsuki:
Performance Evaluation of Layered Space-Frequency Equalization with Iterative Cancellation. PIMRC 2006: 1-5 - [c54]Satoshi Gounai, Tomoaki Ohtsuki:
Performance Analysis of LDPC Code with Spatial Diversity. VTC Fall 2006: 1-5 - [c53]Noriaki Kitakoga, Tomoaki Ohtsuki:
Distributed EM Algorithms for Acoustic Source Localization in Sensor Networks. VTC Fall 2006: 1-5 - [c52]Kenichi Kobayashi, Tomoaki Ohtsuki, Toshinobu Kaneko:
MMSE Precoder with Mode Selection for MIMO Systems. VTC Fall 2006: 1-5 - [c51]Junichi Shirahama, Tomoaki Ohtsuki, Toshinobu Kaneko:
Method of Reducing Search Area for Localization in Sensor Networks. VTC Spring 2006: 354-357 - [c50]Satoshi Gounai, Tomoaki Ohtsuki, Toshinobu Kaneko:
Modified Belief Propagation Decoding Algorithm for Low-Density Parity Check Code Based on Oscillation. VTC Spring 2006: 1467-1471 - 2005
- [j13]Shota Teramoto, Tomoaki Ohtsuki:
Optical Wireless Sensor Network System Using Corner Cube Retroreflectors. EURASIP J. Wirel. Commun. Netw. 2005(1): 39-44 (2005) - [j12]Shunsuke Imada, Tomoaki Ohtsuki:
Pre-Rake Diversity Combining for UWB Systems in IEEE 802.15 UWB Multipath Channel. IEICE Trans. Commun. 88-B(5): 2193-2199 (2005) - [j11]Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa:
Criterion for Reducing Error Rate Degradation by Nonlinear Amplifier for Multicarrier Transmission. IEICE Trans. Commun. 88-B(7): 3057-3061 (2005) - [j10]Satoshi Gounai, Tomoaki Ohtsuki:
Decoding Algorithms Based on Oscillation for Low-Density Parity Check Codes. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 88-A(8): 2216-2226 (2005) - [j9]Hiroyuki Sato, Tomoaki Ohtsuki:
Computational Complexity and Performance of RAKE Receivers with Channel Estimation for DS-UWB. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 88-A(9): 2318-2326 (2005) - [j8]Kenji Suto, Yoshitaka Hara, Tomoaki Ohtsuki, Yoshikazu Takei:
Throughput Maximization Transmission Control Scheme for MIMO Systems. IEICE Trans. Commun. 88-B(10): 4040-4046 (2005) - [j7]Takahiro Ezaki, Tomoaki Ohtsuki:
Rake Performance for UWB-IR System with SISO and MISO. IEICE Trans. Commun. 88-B(10): 4112-4116 (2005) - [j6]Norio Kitamoto, Tomoaki Ohtsuki:
Parallel combinatory multiple-subcarrier optical wireless communication systems. Int. J. Commun. Syst. 18(3): 195-203 (2005) - [j5]Shota Teramoto, Tomoaki Ohtsuki:
Multiple-subcarrier optical communication systems with subcarrier signal-point sequence. IEEE Trans. Commun. 53(10): 1738-1743 (2005) - [c49]Takao Someya, Tomoaki Ohtsuki:
Channel estimation and data detection with tracking channel variation in MIMO system using ZF-based SAGE algorithm. GLOBECOM 2005: 5 - [c48]Yoshikazu Takei, Tomoaki Ohtsuki:
Throughput maximization transmission control scheme using channel prediction for MIMO systems. GLOBECOM 2005: 5 - [c47]Hiroshi Yamamoto, Tomoaki Ohtsuki:
Wireless sensor networks with local fusion. GLOBECOM 2005: 5 - [c46]Daisuke Takase, Tomoaki Ohtsuki:
Performance analysis of optical wireless MIMO with optical beat interference. ICC 2005: 954-958 - [c45]Junichi Shirahama, Tomoaki Ohtsuki, Toshinobu Kaneko:
Low complexity source localization algorithms in sensor networks. PE-WASUN 2005: 130-136 - [c44]Yoshikazu Takei, Tomoaki Ohtsuki:
Uplink Pre-Equalization Using MMSE Prediction for TDDIMC-CDMA Systems. PIMRC 2005: 291-295 - 2004
- [c43]Daisuke Takase, Tomoaki Ohtsuki:
Optical wireless MIMO communications (OMIMO). GLOBECOM 2004: 928-932 - [c42]Kenji Wakafuji, Tomoaki Ohtsuki:
Performance analysis of multibits/sequence-period optical CDMA receiver with double optical hardlimiters. GLOBECOM 2004: 1030-1034 - [c41]Shota Teramoto, Tomoaki Ohtsuki:
Optical wireless sensor network system using corner cube retroreflectors (CCRs). GLOBECOM 2004: 1035-1039 - [c40]Yoshiyuki Ishiyama, Tomoaki Ohtsuki:
Performance evaluation of UWB-IR and DS-UWB with MMSE-frequency domain equalization (FDE). GLOBECOM 2004: 3093-3097 - [c39]Akinori Ohhashi, Tomoaki Ohtsuki:
Performance analysis and code design of low-density parity-check (LDPC) coded space-time transmit diversity (STTD) system. GLOBECOM 2004: 3118-3122 - [c38]Naoto Ohkubo, Tomoaki Ohtsuki:
Space-time trellis coded OFDM system with added pilot semi-blind iterative channel estimation. GLOBECOM 2004: 3546-3550 - [c37]Takao Someya, Tomoaki Ohtsuki:
SAGE algorithm for channel estimation and data detection with tracking the channel variation in MIMO system. GLOBECOM 2004: 3651-3655 - [c36]Kenji Wakafuji, Tomoaki Ohtsuki:
Performance analysis of atmospheric optical subcarrier multiplexing systems and atmospheric optical code division multiplexing systems. ICC 2004: 3336-3340 - [c35]Takahiro Ezaki, Tomoaki Ohtsuki:
Performance evaluation of space hopping ultra wideband impulse radio (SH-UWB-IR) system. ICC 2004: 3591-3595 - [c34]Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa:
Companding system with time clustering. PIMRC 2004: 1075-1079 - [c33]Amane Inoue, Tomoaki Ohtsuki:
Performance factors for space-time trellis codes in block fading channels. PIMRC 2004: 2616-2620 - [c32]Shintaro Yoshida, Tomoaki Ohtsuki:
Performance evaluation of adaptive internally turbo coded ultra wideband-impulse radio (AITC-UWB-IR) in multipath channels. VTC Fall (2) 2004: 1179-1183 - [c31]Katsunari Honjo, Tomoaki Ohtsuki:
Computational complexity reduction of MLD based on SINR in MIMO spatial multiplexing systems. VTC Fall (2) 2004: 1426-1430 - 2003
- [j4]Tomoaki Ohtsuki:
Multiple-subcarrier modulation in optical wireless communications. IEEE Commun. Mag. 41(3): 74-79 (2003) - [j3]Kenji Wakafuji, Tomoaki Ohtsuki:
Multibits/Sequence-Period Optical CDMA Receiver with Double Optical Hardlimiters. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 86-A(10): 2670-2677 (2003) - [c30]Naoto Ohkubo, Tomoaki Ohtsuki:
Added pilot semiblind iterative channel estimation for OFDM packet transmission. GLOBECOM 2003: 878-882 - [c29]Kenji Wakafuji, Tomoaki Ohtsuki:
Direct-detection optical CDMA receiver with interference estimation and double optical hardlimiters. GLOBECOM 2003: 2674-2678 - [c28]Shota Teramoto, Tomoaki Ohtsuki:
Multiple-subcarrier optical communication systems with peak reduction carriers. GLOBECOM 2003: 3274-3278 - [c27]Hiroshi Yamamoto, Tomoaki Ohtsuki:
Atmospheric optical subcarrier modulation systems using space-time block code. GLOBECOM 2003: 3326-3330 - [c26]Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa:
Frequency offset compensation with MMSE-MUD for multi-carrier CDMA in quasi-synchronous uplink. ICC 2003: 2485-2489 - [c25]Naotake Yamamoto, Tomoaki Ohtsuki:
Adaptive intemally turbo-coded ultra wideband-impulse radio (AITC-UWB-IR) system. ICC 2003: 3535-3539 - 2002
- [c24]Yukihiro Sasazaki, Tomoaki Ohtsuki:
Improved design criteria and new trellis codes on space-time trellis coded modulation in fast fading channels. GLOBECOM 2002: 1103-1107 - [c23]Shota Teramoto, Tomoaki Ohtsuki:
Multiple-subcarrier optical communication systems with subcarrier signal point sequence. GLOBECOM 2002: 1845-1849 - [c22]Hiroe Yamaguchi, Tomoaki Ohtsuki, Iwao Sasase:
Multiple subcarrier modulation for infrared wireless systems using punctured convolutional codes and variable amplitude block codes. GLOBECOM 2002: 2031-2035 - [c21]Hisashi Futaki, Tomoaki Ohtsuki:
Performance of low-density parity-check (LDPC) coded OFDM systems. ICC 2002: 1696-1700 - [c20]Tomoaki Ohtsuki:
Performance analysis of atmospheric optical CDMA systems. ICC 2002: 2933-2937 - [c19]Tomoaki Ohtsuki:
Turbo-coded atmospheric optical communication systems. ICC 2002: 2938-2942 - [c18]Naotake Yamamoto, Tomoaki Ohtsuki:
SOVA-based iterative decoding of turbo coded OOK and turbo coded BPPM. PIMRC 2002: 369-373 - [c17]Norio Kitamoto, Tomoaki Ohtsuki:
Parallel combinatory multiple-subcarrier optical communication systems. PIMRC 2002: 998-1002 - [c16]Hisashi Futaki, Tomoaki Ohtsuki:
Low-density parity-check (LDPC) coded OFDM systems with M-PSK. VTC Spring 2002: 1035-1039 - 2001
- [c15]Naotake Yamamoto, Tomoaki Ohtsuki:
Iterative MAP decoding of turbo coded OOK and turbo coded BPPM. GLOBECOM 2001: 1913-1917 - [c14]Hiroe Yamaguchi, Ryoko Matsuo, Tomoaki Ohtsuki, Iwao Sasase:
Equalization for infrared wireless systems using OOK-CDMA. ICC 2001: 170-174 - [c13]Ryoko Matsuo, Tomoaki Ohtsuki, Iwao Sasase:
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 2001: 2016-2020 - [c12]Hisashi Futaki, Tomoaki Ohtsuki:
Low-density parity-check (LDPC) coded OFDM systems. VTC Fall 2001: 82-86 - [c11]