| 2025 | VTC | Resource Allocation Based on Relation Information of Hidden Node for Minimizing Packet Error in LPWA. | Keita Aoki, Osamu Takyu, Koichi Adachi, Mai Ohta, Takeo Fujii |
| 2024 | PIMRC | Indoor Radio Environment Map Construction using Node Position Estimation for Smart Factories. | Hayato Mukasa, Kohei Yuzawa, Takeo Fujii, Koichi Adachi |
| 2024 | PIMRC | Radio Propagation Graph Representation Learning: An Implementation in Multi-Hop Path Representation. | Shimon Takagi, Shinsuke Bannai, Koya Sato, Takeo Fujii, Katsuya Suto |
| 2024 | VTC | Novel Environmental Recognition Scheme with Mobile Data Gathering Station in Physical Wireless Parameter Conversion Sensor Networks. | Toshi Ito, Osamu Takyu, Mai Ohta, Takeo Fujii, Koichi Adachi |
| 2024 | VTC | Multi-Hop Communication System with Multi-Antenna Beamforming in IRDT Protocol. | Keigo Saito, Takeo Fujii, Koji Ishibashi, Yu Shibata, Soma Toki, Jumpei Doi, Toru Hatae |
| 2024 | VTC | Received Signal Aided Implicit Node Clustering in LPWAN. | Takahiro Saraya, Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Takeo Fujii, Mai Ohta |
| 2023 | VTC | Packet Aggregation Utilizing Multi-Antenna Beamforming in IRDT Protocol. | Keigo Saito, Takeo Fujii, Koji Ishibashi, Yu Shibata, Soma Toki, Hideki Endo |
| 2023 | WCNC | Resource Allocation for Periodic Traffic in Wireless Sensor Network. | Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii |
| 2023 | WCNC | Propagation Graph Representation Learning and Its Implementation in Direct Path Representation. | Katsuya Suto, Shinsuke Bannai, Koya Sato, Takeo Fujii |
| 2022 | VTC | Terminal Selection Based on Multi-armed Bandit under Threatening Environment for Radio Environment Map Construction. | Ying Gao, Takeo Fujii |
| 2022 | VTC | Kriging-based Trust Nodes Aided REM Construction under Threatening Environment. | Ying Gao, Takeo Fujii |
| 2022 | VTC | Blockage Prediction for Millimeter-wave Communications Based on People Flow Data. | Hirofumi Nakajo, Takeo Fujii |
| 2021 | VTC | Improvement of Radio Environment Map under Data Falsification Attack. | Ying Gao, Takeo Fujii |
| 2021 | VTC | Channel Allocation for LoRaWanConsidering Intra-System and Inter-System Interferences. | Shinichiro Kakuda, Yudai Yamazaki, Keita Katagiri, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi |
| 2021 | WCNC | Transmission Timing Control Using ACK Signal in LoRaWAN. | Muying Chen, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii |
| 2020 | VTC | Post-Reception Compensation Performance of Blind Nonlinear Compensator with Equalizer against Memory Nonlinear Distortion. | Hiroki Ito, Takeo Fujii, Yasushi Yamao |
| 2020 | VTC | Experimental Verification of Shadowing Classification for Radio Map. | Keita Katagiri, Koya Sato, Kei Inage, Takeo Fujii |
| 2020 | VTC | Interference Management with Beamforming Utilizing Spectrum Database for Micro Operators. | Tetsuki Taniguchi, Takeo Fujii |
| 2020 | WCNC | Radio Environment Map Updating Procedure Considering Change of Surrounding Environment. | Keita Katagiri, Takeo Fujii |
| 2019 | VTC | Sensor Selection Based on Dempster-Shafer Evidence Theory under Collaborative Spectrum Sensing in Cognitive Radio Sensor Networks. | Ying Gao, Ming Diao, Takeo Fujii |
| 2019 | VTC | Measurements of LoRa Propagation in Harsh Environment: Numerous NLOS Areas and Ill-Conditioned LoRa Gateway. | Kenta Inagaki, Shusuke Narieda, Takeo Fujii, Kenta Umebayashi, Hiroshi Naruse |
| 2019 | VTC | Highly Accurate Prediction of Radio Propagation Using Model Classifier. | Keita Katagiri, Keita Onose, Koya Sato, Kei Inage, Takeo Fujii |
| 2019 | VTC | Derivation of Sensing Features for Maximum Cyclic Autocorrelation Selection Based Signal Detection. | Shusuke Narieda, Daiki Cho, Hiromichi Ogasawara, Kenta Umebayashi, Takeo Fujii, Hiroshi Naruse |
| 2019 | VTC | Clustering of Signal Power Distribution toward Low Storage Crowdsourced Spectrum Database. | Yoji Uesugi, Keita Katagiri, Koya Sato, Kei Inage, Takeo Fujii |
| 2019 | WCNC | Ensemble Deep Learning Based Cooperative Spectrum Sensing with Semi-soft Stacking Fusion Center. | Hang Liu, Xu Zhu, Takeo Fujii |
| 2019 | WCNC | High Density Spectrum Sharing Method among Micro Operators considering Spectrum Database. | Hirofumi Nakajo, Yuya Aoki, Keita Katagiri, Takeo Fujii |
| 2018 | VTC | Time Series Analysis of Multiple Primary User Environment Using HMM-Based Spectrum Sensing. | Yuya Aoki, Takeo Fujii, Teruji Ide |
| 2018 | VTC | Measurement Experiments on 920 MHz Band for Spectrum Sharing with LoRaWAN. | Mai Ohta, Koichi Adachi, Naoki Aihara, Osamu Takyu, Takeo Fujii, Makoto Taromaru |
| 2018 | WCNC | Channel assignment based on predictions of sensing result and channel occupancy rate in PhyC-SN. | Osamu Takyu, Shohei Fujii, Fumihito Sasamori, Shiro Handa, Mai Ohta, Takeo Fujii |
| 2017 | PIMRC | Primary user detection in cognitive radio using spectral-correlation features and stacked denoising autoencoder. | Hang Liu, Xu Zhu, Takeo Fujii |
| 2017 | PIMRC | Compensation of survivorship bias in path loss modeling. | Koya Sato, Kei Inage, Takeo Fujii |
| 2017 | VTC | Secure Channel Selection Using Multi-Armed Bandit Algorithm in Cognitive Radio Network. | Masahiro Endo, Tomoaki Ohtsuki, Takeo Fujii, Osamu Takyu |
| 2017 | VTC | Crowdsourcing-Assisted Radio Environment Maps for V2V Communication Systems. | Keita Katagiri, Koya Sato, Takeo Fujii |
| 2017 | VTC | Control Signal Transmission Based on IFDMA and Receiver with Nonlinear Amplifier for Compensating Access Channel Mismatch. | Ryo Kurosawa, Osamu Takyu, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa |
| 2017 | WCNC | Data Tracking Using Frequency Offset and SIC for Physical Wireless Conversion Sensor Networks. | Takehiro Sakai, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa |
| 2017 | WCNC | Radio Environment Aware Computation Offloading with Multiple Mobile Edge Computing Servers. | Koya Sato, Takeo Fujii |
| 2017 | WCNC | Measurement Technique for Occupancy Ratio and Transition Ratio in Cognitive Radio System. | Hayato Soya, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa |
| 2016 | PIMRC | Spectrum database-assisted radio propagation prediction for wireless distributed networks: A geostatistical approach. | Koya Sato, Kei Inage, Takeo Fujii |
| 2016 | WCNC | Novel two-stage spectrum sensing for energy detection with FFT. | Mai Ohta, Osamu Takyu, Takeo Fujii, Makoto Taromaru |
| 2016 | WCNC | Novel two-stage spectrum sensing for energy detection with FFT. | Mai Ohta, Osamu Takyu, Takeo Fujii, Makoto Taromaru |
| 2016 | WCNC | Performance evaluation of multi-target tracking for PhyC-SN. | Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Mai Ohta |
| 2016 | WCNC | Performance evaluation of multi-target tracking for PhyC-SN. | Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Mai Ohta |
| 2016 | WCNC | Optimal impersonation of CSI for maximizing leaked information to untrusted relay in PLNC. | Osamu Takyu, Kengo Matsumoto, Tomoaki Ohtsuki, Takeo Fujii, Fumihito Sasamori, Shiro Handa |
| 2015 | GLOBECOM | Kriging-Based Interference Power Constraint for Spectrum Sharing Based on Radio Environment Map. | Koya Sato, Takeo Fujii |
| 2015 | VTC | Characterization of First and Second Order Statistics of Large Scale Fading Using Vehicular Sensors. | Haris Kremo, Kohsuke Nakagawa, Onur Altintas, Hideaki Tanaka, Takeo Fujii |
| 2015 | WCNC | Average interference power constraint with measurement-based spectrum database. | Koya Sato, Takeo Fujii |
| 2015 | WCNC | Primary and secondary identification using energy detection with statistical primary information. | Vannapha Southivong, Takeo Fujii |
| 2014 | PIMRC | Secondary transmit beamformings for spectrum leasing in CRNs in the presence of eavesdropper. | Masahiro Endo, Tomoaki Ohtsuki, Takeo Fujii, Osamu Takyu |
| 2014 | VTC | Cooperative Spectrum Sensing in the Vehicular Environment: An Experimental Evaluation. | Haris Kremo, Onur Altintas, Hideaki Tanaka, Masayuki Kitamura, Kei Inage, Takeo Fujii |
| 2013 | PERCOM | Resource control for cognitive multi-hop network in traffic cross environment. | Shuta Kako, Takeo Fujii, Osamu Takyu |
| 2013 | PIMRC | Interference-adapted scheduling weight for small-cell in heterogeneous network. | Kei Inage, Takeo Fujii |
| 2013 | VTC | Delay Reduction Scheme Based on Fountain Coding for Wireless Relay Communication Systems. | Arash Asareh, Takeo Fujii |
| 2013 | VTC | Hybrid Overlay/Underlay Resource Allocation for Cognitive Radio Networks in User Mobility Environment. | Hailan Peng, Takeo Fujii |
| 2012 | MOBICOM | Field tests and indoor emulation of distributed autonomous multi-hop vehicle-to-vehicle communications over TV white space. | Onur Altintas, Yutaka Ihara, Haris Kremo, Hideaki Tanaka, Masaaki Ohtake, Takeo Fujii, Chikara Yoshimura, Keisuke Ando, Kazuya Tsukamoto, Masato Tsuru, Yuji Oie |
| 2012 | PIMRC | Performance evaluation model with cost of relay for multi-cell cooperative multi-hop cellular system. | Naoki Onda, Takeo Fujii |
| 2012 | PIMRC | Radio environment aware stable routing for multi-hop cognitive radio networks. | Shamsad Parvin, Takeo Fujii |
| 2012 | VTC | Channel Selection Statistics for Control Information Sharing within Cognitive Radio Networks. | Mai Ohta, Takamasa Kimura, Hasan Rajib Imam, Sean Rocke, Jingkai Su, Alexander M. Wyglinski, Takeo Fujii |
| 2012 | WCNC | Joint resource allocation and interference avoidance with fairness consideration for multi-cell cognitive radio networks. | Hailan Peng, Takeo Fujii |
| 2011 | GLOBECOM | On Physical Layer Simulation Model for 6-Axis Sensor Assisted VLC Based Positioning System. | Chinnapat Sertthin, Takeo Fujii, Osamu Takyu, Yohtaro Umeda, Tomoaki Ohtsuki |
| 2011 | PIMRC | A novel spectrum aware routing scheme for multi-hop cognitive radio mesh networks. | Shamsad Parvin, Takeo Fujii |
| 2011 | PIMRC | A nearest transmitter classification method for VLC based positioning system. | Chinnapat Sertthin, Tomoaki Ohtsuki, Osamu Takyu, Takeo Fujii, Yohtaro Umeda |
| 2011 | PIMRC | Fundamental study on adaptive ACK link control for downloading based on TCP connection in mobile wireless communication. | Osamu Takyu, Yohsuke Seki, Takeo Yamasaki, Takeo Fujii, Yohtaro Umeda, Xiaoqiu Wang, Satoshi Konishi |
| 2011 | VTC | Demonstration of Vehicle to Vehicle Communications over TV White Space. | Onur Altintas, Mitsuhiro Nishibori, Takuro Oshida, Chikara Yoshimura, Youhei Fujii, Kota Nishida, Yutaka Ihara, Masahiro Saito, Kazuya Tsukamoto, Masato Tsuru, Yuji Oie, Rama Vuyyuru, AbdulRahman Al-Abbasi, Masaaki Ohtake, Mai Ohta, Takeo Fujii, Si Chen, Srikanth Pagadarai, Alexander M. Wyglinski |
| 2011 | VTC | Performance for MAC Level Channel Capacity in Cognitive Radio with Carrier Sense Multiple Access and Transmitting Power Control. | Osamu Takyu, Takahiro Saiwai, Takeo Fujii, Yohtaro Umeda |
| 2010 | VTC | A Novel Blind Diversity Detection Scheme for Multi-Antenna Cognitive Radio Spectrum Sensing. | AbdulRahman Al-Abbasi, Takeo Fujii |
| 2009 | PIMRC | Multiband received signal strength fingerprint based location system. | Chinnapat Sertthin, Takeo Fujii, Masao Nakagawa |
| 2009 | WCNC | Dynamic subcarrier controlled TDMA/OFDM multi-hop wireless network for improving end to end throughput. | Takeo Fujii |
| 2008 | VTC | High Contribution Node Selection Method for STBC Distributed ARQ. | Takeo Fujii |
| 2007 | PIMRC | Multi Antenna Utilization Scheme for Congestion Avoidance Around the Gateway for Wireless Mesh Networks. | Norihiko Sato, Takeo Fujii |
| 2007 | PIMRC | Study on Cooperative Sensing in Cognitive Radio based AD-HOC Network. | Hiromasa Uchiyama, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki, Takeo Fujii, Fumie Ono, Kei Sakaguchi |
| 2006 | PIMRC | Multi-Band Ad-Hoc Cognitive Radio for Reducing Inter System Interference. | Takeo Fujii, Yukihiro Kamiya, Yasuo Suzuki |
| 2006 | PIMRC | Forward Interference Avoidance Concept for Manet Using Adaptive Array Antennas. | Tomofumi Sakaguchi, Yukihiro Kamiya, Takeo Fujii, Yasuo Suzuki |
| 2005 | PIMRC | STBC Site Diversity Using Layered Code Assignment for Multicarrier CDMA in MULTI-CELL System. | Takeo Fujii, Yukihiro Kamiya, Yasuo Suzuki |
| 2004 | PIMRC | Multi-stage RLS subcarrier combining method for up-link quasi-synchronous MC- CDMA. | Takeo Fujii, Yukihiro Kamiya, Yasuo Suzuki |
| 2002 | PIMRC | Clustered assign code selecting peak power reduction for MC-CDMA. | Takeo Fujii, Masao Nakagawa |
| 2002 | WCNC | Code selecting peak power reduction for MC-CDMA. | Takeo Fujii, Masao Nakagawa |
| 2000 | PIMRC | Indoor multi-base stations system with simultaneous transmission using OFDM adaptive array antenna. | Takeo Fujii, Masao Nakagawa |
| 1997 | PIMRC | Multicarrier assignment with random pulse for multicarrier high speed decentralized wireless LAN. | Takeo Fujii, Hiroyuki Atarashi, Masao Nakagawa |