International Conference

Keisuke Shindo, Kazutoshi Yoshii, and Shigeru Shimamoto, ” Power Level Division Multiple Access in Wide Area Communication”, ASPIRE Workshop at Keio University, Mar. 2024.

Sicong Li, Kazutoshi Yoshii, Shigeru Shimamoto, and Tu Dac ho, ” Optimization of Optical UAV Relative to Ground Base Stations Affected by Wind”, ASPIRE Workshop at Keio University, Mar. 2024.

Hayate Ouchi, Kazutoshi Yoshii, and Shigeru Shimamoto, “Ionospheric propagation analysis system based on FT8 observations”, ASPIRE Workshop at Keio University, Mar. 2024.

Xinyue Du, Hao Jia, Zhenni Pan, Shigeru Shimamoto. “LOS Identification Using Envelopefor Automobile NTN”, IEICE General Conference, Mar. 2024.

Megumi SAITO, Zhenni PAN, Jiang LIU, and Shigeru SHIMAMOTO, “D2D Communication for Maintaining Mobile Service during Communication Disturbance Considering Operator Load”, A3 foresight Program AI-Based Future IoT Technologies and Services 2024 Workshop, Okinawa, Japan, Feb. 2024.

Kazutoshi Yoshii, Megumi Saito, ZhenniPan, Jiang Liu, Shigeru Shimamoto, “Study of the Power Level Stabilization on Ionospheric Reflection Communication”, A3 foresight Program AI-Based Future IoT Technologies and Services 2024 Workshop, Okinawa, Japan, Feb. 2024., *Best Presentation Award.

Hayato Shimano, Suzumi Sato, Megumi Saito, Shigeru Shimamoto, and Nao Kobayashi, “Estimation of Smartphone Addiction Using Regression Analysis of Biometric Data During Game Playing”, A3 foresight Program AI-Based Future IoT Technologies and Services 2024 Workshop, Okinawa, Japan, Feb. 2024.

Chenyang Liu, Jiang Liu ,and Shigeru Shimamoto, “Enhanced Mobile Healthcare System Utilizing Speech Audio”, A3 foresight Program AI-Based Future IoT Technologies and Services 2024 Workshop, Okinawa, Japan, Feb. 2024.

Hao Jia, Kazutoshi Yoshii, Zhenni Pan, Shigeru Shimamoto, “Evaluating OTFS-based UAS-Supported Multi-Hop Communication in LEO Satellite Networks,” A3 foresight Program AI-Based Future IoT Technologies and Services 2024 Workshop, Okinawa, Japan, Feb. 2024.

Yuchen Wu, Zhenni Pan, and Shigeru Shimamoto, “Doppler-only Wireless Positioning in V2X Scenario based on OTFS”, A3 foresight Program AI-Based Future IoT Technologies and Services 2024 Workshop, Okinawa, Japan, Feb. 2024.

Mika Kokuryo, Gen Konishi, Shotaro Abe, Megumi Saito, Shigeru Shimamoto, “Application of Passive RFID Communication Inside Smart Refrigerator”, A3 foresight Program AI-Based Future IoT Technologies and Services 2024 Workshop, Okinawa, Japan, Feb. 2024.

Suzumi Sato, Hayato Shimano, Megumi Saito, Shigeru Shimamoto, Nao Kobayashi, “Stress Evaluation with Biometric Information Using Smartphone by Radio Wave Reflection”, IEEE Consumer Communication and Networking Conference (CCNC) Work-in-Progress session 2024, Jan, 2024.

Miyu Matsuda, Jiang Liu, Taka-aki Nakada, Shigeru Shimamoto, “Estimation of Systolic and Diastolic Blood Pressure in a non-contact method using microwaves”, IEEE Consumer Communication and Networking Conference (CCNC) Work-in-Progress session 2024, Jan. 2024.

Hayate Ouchi, Kazutoshi Yoshii, and Shigeru Shimamoto, “Estimation of the Ionospheric Environment from a Communications Perspective”, Global Information and Telecommunication Workshop (GITW2023), Dec. 2023.

Sicong Li, Kazutoshi Yoshii, Shigeru Shimamoto, and Tu Dac ho, “Performance Evaluations on UAV optical communication under different weather conditions”, Global Information and Telecommunication Workshop (GITW2023), Dec. 2023.

Miyu Matsuda, Jiang Liu, Taka-aki Nakada, Shigeru Shimamoto, “Estimation of blood pressure in a non-contact method using 2.4GHz microwaves signals”, Global Information and Telecommunication Workshop (GITW2023), Dec. 2023.

Chenyang Liu, Jiang Liu ,and Shigeru Shimamoto, “Speech Audio Based Anomaly Detection towards Mobile Healthcare System”, Global information and Telecommunication Workshop 2023 (GITW 2023), Dec. 2023.

Parneet Kaur Dhindsa, Zhenni Pan, Shigeru Shimamoto “RF Signal and Fisheye Camera Fusion for Robust Vehicular Detection” Global information and Telecommunication Workshop 2023 (GITW 2023), Dec. 2023.

Akihito Suetsuna, Kazutoshi Yoshii, and Shigeru Shimamoto, “ Analysis of physical and communication characteristics for realization of space elevator communication system ”, Global information and Telecommunication Workshop (GITW), Dec.2023

Yiding Li, Zhenni Pan, Shigeru Shimamoto, “Joint Active and Passive Beamforming Optimization in Self-sustainable RIS-aided NOMA Networks”, The 2023 IEEE 98th Vehicular Technology Conference (VTC)-Fall, Oct. 2023.

Keisuke Shindo, Kazutoshi Yoshii and Sigeru Shimamoto, “Mobile satellite communications implementing PDMA in urban area”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2023 Workshop, Sep. 2023.

Shotaro Abe, Gentaro Konishi, Mika Kokuryo, Megumi Saito and Shigeru Shimamoto, “Study on Anti-Collision Communication Scheme for RFID Tag Employing NOMA”, A3 Foresight Program, International Joint Workshop on Intelligent IoT Key Technology 2023, Sep. 2023.

Yusho Nakawaki, Kazuma Uesugi, Kazutoshi Yoshii, Shigeru Shimamoto “Limitting IQ data range for robust to misalignment in OAM communication”, A3 Foresight Program, International Joint Workshop on Intelligent IoT Key Technology 2023, Sep. 2023.

Mao Wang, Kazutoshi Yoshii, Shigeru Shimamoto, ” Study on HAPS Wireless Communication System employing OTFS”, A3 Foresight Program, International Joint Workshop on Intelligent IoT Key Technology 2023, Sep. 2023.

Yuchen Wu, Zhenni Pan, Shigeru Shimamoto, “A Lightweight Integrated Narrowband Interference Detection and Suppression Scheme for OTFS”, The 2023 IEEE 97th Vehicular Technology Conference (VTC)-Spring, Jun. 2023.

Wataru Tachikawa, Akihito Suetsuna, Mao Wang, Kazutoshi Yoshii, Shigeru Shimamoto, “Applying PDMA for Ground-HAPS Uplink Network with Hybrid FSO/RF Communication”, IEEE Wireless Communications and Networking Conference, Mar. 2023.

Akihito Suetsuna, Kazutoshi Yoshii, Shigeru Shimamoto, “Evaluation of Communication System Employing Space Elevator Base-Station”, IEEE Wireless Communications and Networking Conference, Mar. 2023.

Yuxuan Jin, Jiang Liu and Shigeru Shimamoto, “Non-invasive blood glucose estimation employing mid-infrared signal with machine learning models”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2023 Workshop, Seoul, Korea, Feb 2023, *Best Presentation Award.

Megumi Saito, Liu Jiang, Zhenni Pan, and Shigeru Shimamoto, “Evaluation of D2D-based communication scheme for operator malfunction”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2023 Workshop, Seoul, Korea, Feb 2023, *Best Presentation Award.

Suzumi Sato, Megumi Saito and Sigeru Shimamoto, “A Study on Stress Evaluation during Smartphone Use by Non-contact Measurement”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2023 Workshop, Seoul, Korea, Feb 2023.

Huan Wang, Megumi SAITO and Shigeru Shimamoto, “Impact of On-street Parking on Traffic Operation Based on The Urban Road Network”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2023 Workshop, Seoul, Korea, Feb 2023.

Toshihito Tatsuoka, Zhenni Pan and Shigeru Shimamoto, “Studies on Communications and Power Transmissions over Optical Fibers in Vehicles”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2023 Workshop, Seoul, Korea, Feb 2023.

Wataru Tachikawa, KazutoshiYoshii and Shigeru Shimamoto, “Implementation of PDMA Scheme for Ground-HAPS Uplink Network with Hybrid FSO/RF Links”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2023 Workshop, Feb. 2023.

Junlong Wang, Zhenni Pan, Shigeru Shimamoto, “Performance Improments with Machine Learning on Orthoginal Time Frequency Space System and Application”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2023 Workshop, Feb. 2023.

Zhenni Pan and Shigeru Shimamoto, “Energy Sustainability in Shape-adaptive Cellular Networks Employing IRS”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2023 Workshop, Feb. 2023.

Yuao Ye, Jiang Liu, Wen Zhao, Peng Liu and Shigeru Shimamoto, ” Machine Learning based on Air-writing Recognition System,” 2023 International Conference on Intelligent Control and Computing (IC&C 2023), Paper ID: FE509 （accepted）,February 2023

Megumi Saito, Zhenni Pan and Jiang Liu, and Shigeru Shimamoto, “D2D Communication Based Salvage Transmission Scheme for Communication Disturbance in 5G Networks”, IEEE Consumer Communications and Networking Conference 2023 (CCNC2023), Jan. 2023.

Mika Kokuryo, Gentaro Konishi, Megumi Saito, and Shigeru Shimamoto, “Characteristics of Wireless Signal Propagation Inside Robotic Limbs employing Rotary Waveguide Joints”, IEEE CCNC January 2023.

Hinako Ochi, Jiang Liu and Shigeru Shimamoto, “Non-contact Blood Pressure Prediction Employing Microwave Reflection based on Machine Learning”, IEEE CCNC January 2023.

Chiyako Hisanaga, Suzumi Sato, Hayato Nakazawa, Megumi Saito, Shigeru Shimaoto, “The Estimation of Stress on Smartphone Users”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2022 Workshop, Dec. 2022.

Tatsuya Ueki, Kazutoshi Yoshii, Shigeru Shimamoto, “Anti Spoofing Techniques of Vehicle Positioning System using V2V communications”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2022 Workshop, Dec. 2022.

Chaoyi Yang，Junlong Wang, Zhenni Pan, Shigeru Shimamoto, “Researh on superimposing pilot in OTFS”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2022 Workshop, Dec. 2022.

Takuto Shimokawa, Zhenni Pan, Shigeru Shimamoto, “V2V communication scheme for vehicles and platoon on highways applying FAWAC, diversity and SIC”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2022 Workshop, Dec. 2022.

Mika Kokuryo，Gen Konishi, Megumi Saito, Shigeru Shimamoto, “Wireless communication inside robots using standard waveguide structures”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2022 Workshop, Dec. 2022.
Best Presentation Award

Kazutoshi Yoshii, Megumi Saito, Zhenni Pan, Jiang Liu, Shigeru Shimamoto, “Ionospheric Fading Reduction Schemes for Long Distance HF Communication”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2022 Workshop, Dec. 2022.

Yuji Ishiguro, Kazutoshi Yoshii, Shigeru Shimamoto, “Studies of Application of NOMA for ADS-B to Improve Spectral Efficiency for Future Air Traffic Scenarios”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2022 Workshop, Dec. 2022.

Ji Li, Liu Jiang, Shigeru Shimamoto, “Smart Glove based Real-time Recognition of Japanese Sign Language employing Machine Learning”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2022 Workshop, Dec. 2022.
Best Presentation Award

Yuji Ishiguro, Kazutoshi Yoshii, Shigeru Shimamoto, “Studies of Application of NOMA for ADS-B to Improve Spectral Efficiency for Future Air Traffic Scenarios”, Global information and Telecommunication Workshop 2022 (GITW 2022), Dec. 2022.

Mika Kokuryo, Gen Konishi, Megumi Saito, Shigeru Shimamoto, “Wireless communication inside robotic structures using internal waveguides”, Global information and Telecommunication Workshop 2022 (GITW 2022), Dec. 2022.

Wataru Tachikawa, Kazutoshi Yoshii, Shigeru Shimamoto, “Performance Analysis of PDMA System for Ground-HAPS Network with Hybrid FSO/RF Links”, Global information and Telecommunication Workshop 2022 (GITW 2022), Dec. 2022.

Megumi Saito, Zhenni Pan, Jiang Liu, and Shigeru Shimamoto, “Salvage Transmission Scheme Using D2D Communication for Communication Failure in Cellular Networks”, Global information and Telecommunication Workshop 2022 (GITW 2022), Dec. 2022.

Chaoyi Yang, Junlong Wang, Zhenni Pan, Shigeru Shimamoto, “Delay-Doppler Frequency Domain-Aided Superimposing Pilot OTFS Channel Estimation Based on Deep Learning”, Global information and Telecommunication Workshop 2022 (GITW 2022), Dec. 2022.

Takuto Shimokawa, Zhenni Pan, Shigeru Shimamoto, “V2V communication using FAWAC, diversity, and SIC on highways in the presence of platoon”, Global information and Telecommunication Workshop 2022 (GITW 2022), Dec. 2022.
Best Presentation Award

Yiding Li, Zhenni Pan, and Shigeru Shimamoto, “Joint Active and Passive Beamforming Optimization in Self sustainable RIS aided NOMA networks”, Global information and Telecommunication Workshop 2022 (GITW 2022), Dec. 2022.

Jiang Liu, Yang Chen, Shigeru Shimamoto, “Non-invasive Blood Glucose Measurement with Mid-infrared Signal by Machine Learning Schemes”, IEEE Global Communications Conference (GLOBECOM), workshop on Edge-AI and IoT for Connected Health, (online) Dec. 2022.

Chaoyi Yang, Junlong Wang, Zhenni Pan, and Shigeru Shimamoto, “ Delay-Doppler Frequency Domain-Aided Superimposing Pilot OTFS Channel Estimation Based on Deep Learning”, IEEE 96th Vehicular Technology Conference, September 2022.

ToshihitoTatsuoka, Zhenni Pan, Shigeru Shimamoto, “Study on Optical Fiber Communication in Vehicle”,The 2022 IEEE 96th Vehicular Technology Conference, September 2022.

Mao Wang, Wataru Tachikawa, Kazutoshi Yoshii, Shigeru Shimamoto, “NOMA based Terahertz Communication for High Altitude Platform System”, 96th VTC 2022 fall, September 2022.

Yuji Ishiguro, Kazutoshi Yoshii, Shigeru Shimamoto, “Performance Evaluation of Multiple Access Scheme Applying NOMA for ADS-B”, IEEE Access, 2022 IEEE/AIAA 41st Digital Avionics Systems Conference (DASC), 2022.
, Best of Session Future Aeronautical Communication Concepts Award

Y. Li, Z. Pan and S. Shimamoto, “MARL Based Cooperative Passive Beamforming Design for Multi-IRS Aided Networks,” 2022 IEEE 33rd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Kyoto, Japan, 2022, pp. 397-402.

Tianshun Fang, Hao Xue, Zhenni Pan, Shigeru Shimamoto“A Lightweight Network Slicing Scheme for 5G Coexistence Network in Multitenant and Services”, International Symposium on Networks, Computers and Communications(ISNCC), July 2022.

Gentaro Konishi, Megumi Saito, Shigeru Shimamoto, Shinji Horii, Seiichiro Murase, “ALOHA-SIC-based RFID System Assisted by the Internal Structure of Smart Refrigerators,” in the 16th IEEE International Conference on RFID 2022 (IEEE RFID 2022), Las Vegas, NV, May, 2022.

Junlong Wang, Chaoyi Yang, Zhenni Pan, Shigeru Shimamoto “Optimization on OTFS Modulation Channel Estimation Path Employing CNN-based Self-Adjustment Model,” 2022 IEEE International Conference on Communications Workshops (ICC Workshops), 2022, pp. 951-956.

Li Ji, Jiang Liu, Shigeru Shimamoto, “Recognition of Japanese Sign Language by Sensor-Based Data Glove Employing Machine Learning”, 2022 IEEE 4th Global Conference on Life Sciences and Technologies (LifeTech 2022), Osaka, Japan, Mar. 2022.

Chiyako Hisanaga, Suzumi Sato, Megumi Saito, and Shigeru Shimamoto(Waseda University); Nao Kobayashi(KDDI,Japan), “Examination of Validity of Smartphone Addiction by Biometric Sensing”, 2022 IEEE 4th Global Conference on Life Sciences and Technologies (LifeTech 2022), Osaka, Japan, Mar. 2022.

L. Yiran, G. Konishi, M. Saito and S. Shimamoto, “An Efficient Topology-based Optimization Method of Broadband Absorbing Material,” 2022 24th International Conference on Advanced Communication Technology (ICACT), 2022, pp. 267-271, doi: 10.23919/ICACT53585.2022.9728874

Kosei Ono, Kazutoshi Yoshii, Megumi Saito, Zhenni Pan, Jiang Liu, Shigeru Shimamoto, “Performance Analysis of Intelligent Reflecting Surface-Assisted Orbital Angular Momentum-Based Communication Systems,” 2022 24th International Conference on Advanced Communication Technology (ICACT), 2022, pp. 7-12,

Yosuke Higasa, Kazutoshi Yoshii, Megumi Saito, Jiang Liu, Shigeru Shimamoto, “Performance Analysis of DSSS-PDMA with SIC in GEO Satellite-Terrestrial Uplink Networks,” 2022 24th International Conference on Advanced Communication Technology (ICACT), 2022, pp. 1-6, doi: 10.23919/ICACT53585.2022.9728810.

Dhruba Raj Dhaka, Z. Pan and S. Shimamoto, “Resource Allocation for Weighted Max-min Fairness in NOMA with Imperfect SIC,” 2022 IEEE/SICE International Symposium on System Integration (SII), 2022, pp. 957-962

Chihyeh Chen, Megumi Saito, Shigeru Shimamoto, “Signal Propagation Through the Inside of Robot Leg for Non-wired Robot System,” 2022 IEEE 19th Annual Consumer Communications & Networking Conference (CCNC), 2022, pp. 517-518

Tatsuya Ueki, Kazutoshi Yoshii, Shigeru Shimamoto, Katsunari Mizuno, Kenta Matsufuji, “Evaluation of Impact of Intermediate GPS Spoofing to Mobile Terminals,” 2022 IEEE 19th Annual Consumer Communications & Networking Conference (CCNC), 2022, pp. 717-718,

Kazutoshi Yoshii, Megumi Saito, Zhenni Pan, Jiang Liu, Shigeru Shimamoto, “Phase Control Scheme to Reduce Ionospheric Fading for Long Distance HF Communication,” 2021 Wireless Days (WD), pp. 1-7, Paris, France, July 2021.

Yuta Tsuzuki, Shigeru Shimamoto, Zhenni Pan, “Evaluations of SIC by Power Difference in IM-NOMA,” 2021 Wireless Days (WD), 2021, pp. 1-5

Wataru Tachikawa, Kazutoshi Yoshii, Shigeru Shimamoto, “Performance Analysis of Uplink and Downlink NOMA System in Inter-Satellite Networks”, IEEE International Conference on Communications (ICC), June, 2021.

Hinako Ochi,Shigeru Shimamoto, Jiang Liu, Yukino Yamaoka, “Non-contact Blood Pressure Estimation withPulse WaveemployingMicrowave Reflection”, 2021 IEEE International Conference on Communications Workshops (ICC Workshops), 2021, pp. 1-6,

Changhao Liu, Jiang Liu, Shigeru Shimamoto, “Sign Language Estimation Scheme Employing Wi-Fi Signal”, 2021 IEEE Sensors Applications Symposium, Aug. 2021

Xianzhi Chu,Jiang Liu, Shigeru Shimamoto, “A Sensor-Based Hand Gesture Recognition System for Japanese Sign Language”, 2021 IEEE 3rd Global Conference on Life Sciences and Technologies (LifeTech 2021), Nara,Japan, Mar. 2021.

Z. Pan, “Ultra-Reliable and Low Latency Wireless Access in Sustainable Massive IoT Networks”, A3 Foresight Program, AI-Based Future IoT Technologies and Services 2021 Workshop, Feb. 2021.

Genta Ishii, Megumi Saito, Zhenni Pan, Jiang Liu, Shigeru Shimamoto, “Wireless Power Transmission Scheme Employing Phase Control for WSN, 2021 18th IEEE Annual Consumer Communications and Networking Conference(CCNC), Las Vegas USA[Online],Jan.2021.

Yuqi Luo, Jiang Liu and Shigeru Shimamoto, “Wearable Air-Writing Recognition System employing Dynamic Time Warping,” 2021 IEEE 18th Annual Consumer Communications & Networking Conference (CCNC), Las Vegas, NV, USA, 2021, pp. 1-6, doi: 10.1109/CCNC49032.2021.9369458.g”

Jiang Liu, “Machine Learning Based Health Monitoring System using Non-Contact Methods” A3 Foresight Program, AI-Based Future IoT Technologies and Services Workshop (Online), February 25th,2021(Invited presentation)

Jun HOSOYA , “A Study on Transition of Registered Patent of Digital
Camera Manufacturer Using Correspondence Analysis ”, 2020 9th IIAI
International Congress on Advanced Applied Informatics (IIAI-AAI)

Z. Guo, J. Liu and S. Shimamoto, “Radio and Power over Fiber System for 4K/8K Satellite Antenna,” 2020 IEEE International Conference on Communication, Networks and Satellite (Comnetsat), Batam, Indonesia, 2020, pp. 154-158.

Tengfei Hu, Zhenni Pan, Megumi Saitou, Jiang Liu, Shigeru Shimamoto,”A Triple-Band Antenna Loaded with Reflector Surface for WLAN and 5G Applications”, International Conference on Computer and Communication Systems, Shanghai, China,2020.

S. Gengtian, T. Koshimizu, M. Saito, P. Zhenni, L. Jiang and S. Shimamoto, “Power Control Based on Multi-Agent Deep Q Network for D2D Communication,” 2020 International Conference on Artificial Intelligence in Information and Communication (ICAIIC), pp. 257-261, doi: 10.1109/ICAIIC48513.2020.9065192, Fukuoka, Japan, Feb. 2020.

Y. Chen, J. Liu, Z. Pan, S. Shimamoto, “Non-invasive Blood Glucose Measurement Based on mid-Infrared Spectroscopy”, 2020 IEEE 17th Annual Consumer Communications & Networking Conference (CCNC) workshop, Las Vegas, USA, Jan. 2020

Md. A. Hossain, M. Saito, Z. Pan, J. Liu, S. Shimamoto, “Orthogonal Frequency Subcarrier-based Multiple Random Access in Ultra Reliability and Low Latency Communication”, 2020 IEEE 17th Annual Consumer Communications & Networking Conference (CCNC) workshop, Las Vegas, USA, Jan. 2020

M. Niwa, Z. Pan, S. Shimamoto, “IoT Sensor Network Powered by Sediment Microbial Fuel Cell”, 2020 IEEE 17th Annual Consumer Communications & Networking Conference (CCNC), Las Vegas, USA, Jan. 2020

L. Cao, Z. Tang, L. Sun, Z. Pan, S. Shimamoto, Y. Feng, “Secrecy Performance Analysis for AN-Aided Linear ZFBF in MU-MIMO Systems with Limited Feedback”, 2019 IEEE Global Communications Conference, Hawaii, USA, Dec. 2019

Yuki Uehara, Megumi Saito, Shigeru Shimamoto, “NOMA based Fixed Assignment based Window Access Scheme with Capture(FAWAC)”, WUHU 2019 Workshop in IT, Faculty of Information Science and Technology, National University of Malaysia, Selangor, Malaysia, November 30th, 2019.

Megumi Saito, “D2D communication in 5G networks”Northeast Asia Conference on IoT with Intelligence 2019, Beijing, China, Sep. 2019, (Invited talk)

Zhenni Pan, “Towards Sustainable and Robust Solutions for Future Green IoT Networks”,Northeast Asia Conference on IoT with Intelligence 2019, Beijing, China, Sep. 2019, (Invited talk)

Jiang Liu, “Optical Wireless Communication Technology in IoT Applications”,Northeast Asia Conference on IoT with Intelligence 2019, Beijing, China, Sep. 2019, (Invited talk)

Z. Pan, “Towards Sustainable and Robust “Green” Solutions for Future Generation Mobile Networks”, Asia Pacific Society for Computing and Information Technology 2019 Annual Meeting (APSCIT 2019 Annual Meeting), Sapporo, Hokkaido, Jul. 2019 (Invited talk)

Kazutoshi Yoshii, Megumi Saitou, Jiang Liu, Shigeru Shimamoto, “Prediction of Ionospheric Fading for Long Distance Emergency Communication”, 2019 IEEE International Conference on Communications Workshops (ICC Workshops), Shanghai, China, May 2019

K. Nagaya, J. Liu and S. Shimamoto, “Design of Ultrasonic Wireless Power Transfer System,” 2019 IEEE Globecom Workshops (GC Wkshps), Waikoloa, HI, USA, 2019, pp. 1-6, doi: 10.1109/GCWkshps45667.2019.9024399.

Yukino Yamaoka, Jiang Liu, Shigeru Shimamoto,”Detections of pulse and blood pressure employing 5G millimeter wave signal”,IEEE Consumer Communications and Networking Conference2019.

Rong Ye, Kang Kang, Zhenni Pan, Jiang Liu, Shigeru Shimamoto, “Wearable Devices Downlink and Uplink Transmission in Multi-hop HetNet based on Full-Duplex Cooperative Network”, In International Conference on Mobile and Wireless Technology, pp. 74-86. Springer, Hong Kong, 25-28 Jun 2018.

Huan Wang, Koshimizu Takashi, Zhenni Pan, Jiang Liu, Shigeru Shimamoto,“Signal Priority Management for Bus with V2I Network”,Japan Society for Simulation Technology,2018.

Tojoarisoa Rakotoaritina, Megumi Saito, Zhenni Pan, Jiang Liu and Shigeru Shimamoto,“Multilayered Metamaterial-Enhanced Magnetic In-duction Communication Scheme within thecontext of IoT”,Japan Society for Simulation Technology,2018.

Bayisa Taye Mulatu, Zhenni Pan, Jiang Liu, Shigeru Shimamoto,Contention-Based SCMA for Narrow-Band Internet of Things using Sequential LearningJapan Society for Simulation Technology,2018.

Yanan Gao, Yukino Yamaoka, Yoshimitsu Nagao , Jiang Liu, Shigeru Shimamoto,“Non-invasive Glucose Measurement based on Ultrasonic Transducer and Near IR Spectrometer “,iCatse International Conference on Mobile and Wireless Technology, 2018.

Takashi Koshimizu, Huan Wang, Zhenni Pan, Jiang Liu, Shigeru Shimamoto “Normalized Multi-Dimensional Parameter based Affinity Propagation Clustering for Cellular V2X” WCNC 2018.

R.Hagiwara, H.Inata, Y.Okouchi, J.Liu, S.Shimamoto, “3D Radio Signal Visualization Employing Drone”, 2018 15th IEEE Annual Consumer Communications and Networking Conference(CCNC), Las Vegas USA,Jan.2018.

Dong Yupu, Zhenni Pan, Kang Kang, Jiang Liu, Shigeru Shimamoto, Ragil Putro Wicaksono, Seiji Kunishige, Kwangrok Chang, “Fairness-Aware Hybrid Resource Allocation with Cross-Carrier Scheduling for LTE-U System”, In International Conference on Mobile and Wireless Technology, pp. 114-128, Springer, Singapore, 23-26 Jun. 2017.

Kang Kang, Zhenni Pan, Jiang Liu, Shigeru Shimamoto, “A Game Theory Based Power Control Algorithm for Future MTC NOMA Networks”, in Proc. IEEE Consumer Communications & Networking Conference (CCNC 2017), Las Vegas, USA 8-11 Jan. 2017.

H. Wang, J. Liu, Z. Pan, T. Koshimizu, S. Shimamoto, “Cooperative Traffic Light Controlling Based on Machine Learning and A Genetic Algorithm”, 2017 23rd Asia-Pacific Conference on Communications (APCC), Dec. 2017.

Megumi SAITO, Jenny Pan, Liu Jang and Shigeru Shimamoto, “Experimental study on Energy Saving Transmission Using D2D and LTE”, Joint Workshop between Korea, Japan and Malaysia (Hanyang Univ,Waseda Univ, UKM & UMS), Seoul, Korea, Dec.2017.

Y. Dong, Z. Pan, J. Liu, S.Shimamoto, S.Kunishige, K.Chang, “Novel UE RF Condition Estimation Algorithm by integrating Machine Learning”, iCatse International Conference on Mobile and Wireless Technology, Kuala Lumpur, Jun. 2017.

Y. Dong, Z. Pan, J. Liu, S. Shimamoto, S. Kunishige, K. Chang, “Fairness-aware Hybrid Resource Allocation with cross-carrier scheduling for LTE-U system”, iCatse International Conference on Mobile and Wireless Technology, Kuala Lumpur, Jun. 2017.

K.Kang, Z. Pan, J. Liu, S. Shimamoto, “A Game Theory Based Power Control Algorithm for Future MTC NOMA Networks”, 2017 14th IEEE Annual Consumer Communications and Networking Conference (CCNC), Lavages USA, Jan. 2017.

S.Sotheara, H.Inada, M.E.Enerwan, Z.Pan, J. Liu, S. Shimamoto, “Partnership and Data Forwarding Model for Data Acquisition in UAV-aided Sensor Networks”, 2017 14th IEEE Annual Consumer Communications and Networking Conference (CCNC), Lavages USA, Jan. 2017.

Sotheara Say, Hikari Inata, Mohamad Erick Ernawan, Zhenni Pan, Jiang Liu, and Shigeru Shimamoto, “Partnership and Data Forwarding Model for Data Acquisition in UAV-aided Sensor Networks,” in Proc. of IEEE CCNC, Las Vegas, USA, Jan. 2017.

Sotheara Say, Hikari Inata, and Shigeru Shimamoto, “A Hybrid Collision Coordination- based Multiple Access Scheme for Super Dense Aerial Sensor Networks,” in Proc. of IEEE Wireless Communication and Networking Conference, Doha, Qatar, Apr. 2016.

Hikari Inata, Taisuke Ando, Sotheara Say, Jiang Liu, and Shigeru Shimamoto, “Unmanned Aerial Vehicle based Missing People Detection System employing Phased Array Antenna,” in Proc. of IEEE WCNC Workshop on Extreme Communications, Doha, Qatar, Apr. 2016.

M.Saito, X.W. Li, Z. Pan, J. Liu, S. Shimamoto, “Cooperative Access among UEs in Cellular Network”, The 2015 International Conference on Collaboration Technologies and Systems (CTS 2015),The 16th Annual Meeting, Atlanta, USA, Jun. 2015.

S.Sotheara, N. Aomi, T. Ando, and S. Shimamoto, “Circularly Multidirectional Antenna Arrays with Spatial Reuse based MAC for Aerial Sensor Networks”, in Proc. of IEEE ICC Workshop on Advanced PHY and MAC Techniques for Super Dense Wireless Networks, London, UK, Jun. 2015.

Mohamad Erick Ernawan, Zhenni Pan　and Shigeru Shimamoto, “Non-Orthogonal Single User Multiplexing Scheme employing Multiple Power Levels”,IEEE Wireless Communications and Networking Conference (WCNC), March, New Orleans, USA, 2015.

Lilian del Consuelo Hernandez Ruiz Gaytan, Jiang Liu, and Shigeru Shimamoto, ”Priority Code Scheme for Flexible Scheduling on HTS”, in Proc. IEIE – IEEE Internal Conference on Electronics Information and Communication (ICEIC), Singapore, January, 2015.

S.Sotheara, N. Aomi, T. Ando, J. Liu, N. Shiratori and S. Shimamoto, “Effective Data Gathering Protocol in WSN- UAV employing Priority-based Contention Window Adjustment Scheme”, in Proc. of IEEE GLOBECOM Workshop on Wireless Networking and Control for Unmanned Autonomous Vehicles, pp. 1579-1584, Austin, Texas, USA, Dec. 2014.

Z. Pan, M. Saito, J. Liu, S. Shimamoto, “Neuron Control-Based Power Adjustment Scheme for Sleep Two-tier Cellular Networks”, in Proc. IEEE Wireless Communications and Networking Conference (WCNC 2014), Istanbul, Turkey, Apr. 2014.

S.Sotheara, K. Aso, N. Aomi, and S. Shimamoto, “Effective Data Gathering and Energy Efficient Communication Protocol in Wireless Sensor Networks employing UAV”, in Proc. of IEEE WCNC, pp. 2342-2347, Istanbul, Turkey, Apr. 2014.

Thomas Bourgeois and Shigeru Shimamoto, “Stochastic Analysis of Handshake-type Mechanisms in Uniformly Random Wireless Ad Hoc Networks”, Proc. 2013 IEEE Global Communications Conference (GLOBECOM 2013), pp. 158-163, Atlanta, USA, 9-13 Dec. 2013.

Thomas Bourgeois and Shigeru Shimamoto, “Stochastic analysis of Multi-slot ALOHA in poisson networks”Proc. IEEE 24th International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC 2013), pp.2082-2088, London, UK, 8-11 Sep. 2013.

Khemry Khourn, Jiang Liu, Wasinee Noonpakdee and Shigeru Shimamoto,“Performance Evaluation of Optical Wireless Identiﬁcation Scheme employing Thinﬁlm Corner Cube Retroreﬂector”Proc. IEEE 24th International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC 2013), pp. 3599-3604, London, UK, 8-11 Sep. 2013.

Zhenni Pan, and Shigeru Shimamoto, “Cell Sizing Based Energy Optimization in Joint Macro-Femto Deployments via Sleep Activation”,Proc. 2013 IEEE Wireless Communications and Networking Conference (WCNC 2013), pp. 4765-4770, Shanghai, China, 1-4 Apr. 2013.

Dac-Tu Ho, E.I. Grotli, Shigeru Shimamoto, T.A. Johansen,“Optimal relay path selection and cooperative communication protocol for a swarm of UAVs”Proc. IEEE Global Communications Conference Workshops (GLOBECOM Workshops 2012), pp. 1585-1590, California, USA, 3-7 Dec. 2012.

Jiang Liu, P.W.C. Chan, D.W.K. Ng, E.S. Lo, and Shigeru Shimamoto, “Hybrid visible light communications in Intelligent Transportation Systems with position based services”Proc. IEEE Global Communications Conference Workshops (GLOBECOM Workshops 2012), pp. 1254-1259, California, USA, 3-7 Dec. 2012.

Thomas Bourgeois and Shigeru Shimamoto, “Accurate Subgraph Probabilities in a Random Geometric Graph and Application to Cooperative Multihop Ad-hoc Networks”, Proc. IEEE Global Communications Conference (GLOBECOM 2012), pp. 506-511, California, USA, 3-7 Dec. 2012.

Nan Gao, and Shigeru Shimamoto, “FDTD Simulations for Ultrasonic Communication System Employing Metal Plates”, Proc. 31st JSST Annual Conference, JSST 2012 international conference on simulation technology, vol. 31, pp. RS1-5, Kobe, Japan, 27-28 Sep. 2012.

Jin Qi, and Shigeru Shimamoto, “A Cognitive Data Gathering Scheme for Gas Monitoring Employing Mobile Phone based Wireless Sensor Networks”,Proc. 31st JSST Annual Conference, JSST 2012 international conference on simulation technology, vol. 31, pp. RS1-5, 27-28 Sep. 2012.

Jiang Liu, Zhenni Pan, Wasinee Noonpakdee, and Shigeru Shimamoto, “Performance Analysis of Image Sensor Communication over Free Space Optical Channel”, Proc. IEEE International Conference on Imaging Systems and Techniques (IST), Manchester, UK, 16-17 July, 2012.

David Donald Mrema, and Shigeru Shimamoto,“Performance of Quadrifilar Helix Antenna on EAD Channel Model for UAV to LEO Satellite link.”Proc. 2012 International Conference on Collaboration Technologies and Systems (CTS), Denver Colorado USA, 21-25 May 2012.

Zhenni Pan, and Shigeru Shimamoto,“Cyclic Activated Power-efficient Scheme based upon Dynamic Cell Configuration”, Proc. IEEE Wireless Communications and Networking Conference (WCNC 2012), Paris, France, 1-4 Apr. 2012.

Sikieng Sok and Shigeru Shimamoto, “On Utilizing Intra-body Communication for Arm Movement Identification”, The 2012 International Conference on Advanced IT, engineering, and Management, February 06~08, 2012, Seoul, Korea.

Jiang Liu, Mianxiong Dong, Laurence T. Yang, Sikieng Sok, Shigeru Shimamoto, “A study on Visible Light Communication Service employing Transmission Diversity”, The 2012 International Conference on Advanced IT, engineering, and Management, February 06~08, 2012, Seoul, Korea.

Jiang Liu,Wasinee Noonpakdee,Hiroshi Takano,Shigeru Shimamoto,「Evaluation of Reflected Light Effect for Indoor Wireless Optical CDMA System」,IEEE Wireless Communications and Networking Conference(WCNC)2011,Cancun,Mexico,Mar.2011.

Bingxuan Zhao and Shigeru Shimamoto, “Energy-aware Cooperative Spectrum Sensing with Inter-Channel Interference Cancellation for Cognitive Radio Networks,” In the Proc. of ICCCN Workshop on Cognitive and Resource-aware Wireless Communications, Maui, Hawaii, USA, 2011, pp.1-6.

Bingxuan Zhao and Shigeru Shimamoto, “Time Division based Multi-Radio Multi-Channel MAC Protocol for Wireless Mesh Networks,” In the Proc. of The 11th International Conference on Telecommunications, Graz, Austria, 2011, pp. 293-300.

Jiang Liu, Wasinee Noonpakdee, Hiroshi Takano, Shigeru Shimamoto, “Foundational Analysis of Spatial Optical Wireless Communication utilizing Image Sensor”, in Proc. IEEE International Conference on Imaging Systems and Techniques (IST), Penang, Malaysia, May 2011.

Jiang Liu, Wasinee Noonpakdee, Hiroshi Takano, Shigeru Shimamoto, “A Novel RF Signal Beamforming Scheme over Optical Wireless Communications”, in Proc. IEEE Conference on International Conference on Space Optical Systems and Applications (ICSOS) 2011, Santa Monica, USA, May 2011.

Dac-Tu Ho and Shigeru Shimamoto “Novel Communication Protocol for WSN-UAV System Employing TDMA and PFS Schemes”, GLOBECOM Workshops (GC Wkshps), 2011 IEEE: Wireless Networking for Unmanned Aerial Vehicles: Architectures, Protocols and Applications, Houston, Dec. 2011, pp. 1320-1324.

Shigeru Shimamoto, “Future Applications of UAV in Major Disaster based on Experience of Great East Japan Earthquake, Tsunami and Fukushima Nuclear Accident”, KEYNOTE, IEEE GLOBECOM Workshop on Wireless Networking for Unmanned Aerial Vehicles: Architectures, Protocols and Applications, Houston TX, Dec. 2011.

Jun Wu and Shigeru Shimamoto,「Usage Control based Security Access Scheme for Wireless Sensor Networks」,Proc.IEEE International Conference on Communication(ICC 2010),pp.1-5,May 2010.

Jun Wu and Shigeru Shimamoto,「Integrated UCON-Based Access Control and Adaptive Intrusion Detection for Wireless Sensor Networks」,Proc.IEEE Global Telecommunications Conference(GLOBECOM 2010),pp.1-5,Dec.2010.

Verotiana H.Rabarijaona,Shigeru Shimamoto,「Coverage Area Extension Through a Cooperative MAC Protocol」,IEEE International Conference on Wireless Information Technology and Systems(ICWITS),Honolulu,Aug-Sept 2010.

Jiang Liu,Wasinee Noonpakdee,Hiroshi Takano,Shigeru Shimamoto,「A Cross Layer Design for Optical Relay System Employing RF Subcarrier Beamforming」,IEEE International Conference on Wireless Information Technology and Systems Conference(ICWIT) 2010,Honolulu,USA,Sep.2010.

Jingyu Park,Ho Dac Tu,Shigeru Shimamoto,「Wireless Sensor Network Employing UAV」,in Proc. IEICE SANE,Okinawa,Japan,Apr.2010.

W.Noonpakdee,J.Liu,and S.Shimamoto,「Position based access scheme for indoor optical wireless communication systems」,in Proc.IEEE Conf.on Consumer Communications and Networking,pp.958-962,Jan.2011.

W.Noonpakdee,J.Liu,K.D.Hyun,and S.Shimamoto,「Hybrid RFID employing optical wireless communication」,in Proc.IEEE Conf.on Wireless Information Technology and Systems,pp.1-4,Sept.2010.

D.T.Ho,J.Park,S.Shimamoto,「Performance Evaluation of the PFSC MAC Protocol for Wireless Sensor Network Employing UAV in Rician Fading Channel」,in Proc 2011 IEEE WCNC,CanCun,Mexico,Maar.2011.

D.T.Ho,J.Park,and S.Shimamoto,「Altitude Based MAC Protocol for Wireless Sensor Network Employing Multiple UAVs」,in Proc.IEEE GLOBECOM Workshop:Wireless Networking for Unmanned Aerial Vehicles:Architectures,Protocols and Applications,Miami,Dec.2010.

D.T.Ho,J.Park,and S.Shimamoto,「Novel Multiple Access Scheme for Wireless Sensor Network Employing Unmanned Aerial Vehicle」,in Proc.IEEE/AIAA 29th DASC,Salt Lake City,Utah,Oct.2010.

D.T.Ho,J.park,and S.Shimamoto,「Power Consumption and BER Tradeoff of Mac Protocol for Wireless Sensor Network Employing UAV」,in Proc.IEEE Intl.conf.on Advanced Technologies for Communications(ATC),Ho Chi Minh,Vietnam,Oct.2010.

D.T.Ho,J.Park,S.Shimamoto,and J.Kitarori,「Performance Evaluation of Communication System Proposed for Oceanic Air Traffic Control」,in Proc.IEEE WCNC,Sydney,Australia,Apr.2010.

Rabarijaona, V. H.,S. Shimamoto, 「Partnership-Based Cooperative MAC Protocol」, Proc. 7th IEEE Consumer Communications and Networking Conference (CCNC),Las Vegas, January 2010.

Jiang Liu, Hiroshi Takano, Shigeru Shimamoto, 「An Optical IM/DD Channel Based Relay Scheme for Indoor Healthcare Communication System」, IEEE Consumer Communications and Networking Conference (CCNC) 2009, Las Vegas, USA, Jan. 2009.

T. D. Ho and S. Shimamoto, 「Mobile Ad-Hoc Network Based Relaying Data Sysem for Oceanic Flight Routes in Aeronautical Communications」, Intl. J. of Comp. Net. and Commun. (IJCNC), ISSN: 0975- 2293, pp. 33-44, Apr. 2009.

T. D Ho, J. Park, S. Shimamoto, and J. Kitarori 「Oceanic Air Traffic Control Based on Space-Time Division Multiple Access」, in Proc. IEEE/AIAA 28th DASC, pp. 7.D.2-1 – 7.D.2-13, Orlando, FL, Oct. 2009.

T. D. Ho, and S. Shimamoto 「A Proposal of Wide-Band Air-to-Ground Communication at Airports Employing 5-GHz Band」, in Proc. IEEE WCNC, pp. 1777-1782, Budapest, Hungary, Apr. 2009.

T. D. Ho and S. Shimamoto, 「A proposal for high air-traffic oceanic flight routes employing ad-hoc networks」, in Proc. IEEE WCNC, pp. 1-6, Budapest, Hungary, Apr. 2009.

Jiang Liu, Hiroshi Takano, Shigeru Shimamoto, 「An Optical IM/DD Based Spatial Transmission Diversity Achievable Relay Scheme」, IEEE Wireless Communications & Networking Conference (WCNC) 2009, Budapest, Hungary, April .2009.

D. C. Hieu, S. Shimamoto, Continuous Contention-Assisted Transmission MAC Protocol for Wireless Ad-Hoc Network, Globecom 2009.

Nao Kobayashi, Abdullah M. Alshehab, Jordi Agud Ruiz, Shigeru Shimamoto 「Experimental Evaluation of Detection Methods for Finger Identification Schemes Based Upon Intra-body Communication Proc. Of IEEE ICC2008, GS1 p-6,Beijing China, Jun, 2008.

Iskandar Raffie, A Kurniawan, E. B. Sitanggang, S. Shimamoto 「Step Size Optimization for Fixed Step Closed Loop Power Control on WCDMA High Altitude Platforms (HAPs) Channel」 Proc. of IEEE Globecom 2008, WC16T1-6, New Orleans, USA, Nov. 2008.

Chunyi Song, Shaobo Qi, S.Shimamoto 「Improvement on Flexibility of Fixed Multiplexing Radio Networks by Employing Cognitive Relay」, Proc. of IEEE Global Communications Conference on (Globecom) Workshops 2008, pp.1-6, Dec. 2008.

Chunyi Song, H. Shiba, S.Shimamoto, 「Cognitive Frequency Sharing Among Primary Radio Networks for Multi-hop Communication」, IEEE proc. of The Third International Conference on Communications and Networking in China, (CHINACOM 2008), Page(s): 137-141. Aug. 2008.

Chunyi Song, H.Shiba, S.Shimamoto, 「A cognitive Relay Approach for Multi-hop Wireless Ad hoc Communication」, 2008 International Workshop on Cognitive Networks and Communications (COGCOM2008). IEEE Proc. of CHINACOM 2008. Page(s): 1230-1234. Aug. 2008.

Ho Dac Tu, Shimamoto Shigeru and Jun Kitaori, 「Aproposal of a Wide Band for Air Traffic Control Communications」, IEEE Wireless Communications and Networking Conference,2008. WCNC 2008. IEEE Volume, Issue, March 31 2008-April 3 2008 Page(s): 1950-1955 Digital Object Identifier 10. 1109/WCNC. 2008. 347.

Iskandar, Shigeru Shimamoto, 「Analysis of CDMA capacity for multiple stratospheric platform mobile communications under imperfect power control and fading」, in Proceedings IEEE Wireless Communications and Networking Conference (WCNC 2007), Hong Kong, China, March 2007.

R. Kimura, S. Shimamoto, 「An orthogonalfrequency division duplex (OFDD) system using an analog filter bank」, Proc. IEEE Wireless Communications and Networking Conference (WCNC 2007), March 2007.

Mohammad Rajiullah, Shigeru Shimamoto, 「 An Energy-Aware Periodical Data Gathering Protocol Using Deterministic Clustering in Wireless Sensor Networks (WSN)」, In the proceedings of IEEE Wireless Communications and Networking Conference (WCNC) 2007, page no: 3014-3018, Hong Kong, March 2007.

Jordi Agud Ruiz, Shigeru Shimamoto, 「Statistical Modeling of Intra-body Propagation Channel」, IEEE Wireless Communications and Networking Conference (WCNC) 2007, page no: 3014-3018, Hong Kong, March 2007.

Jordi Agud Ruiz,Shigeru Shimamoto, 「Novel Communication Services Based on Human Body and Environment Interaction: Applications inside Trains and Applications for Handicapped People 」, IEEE Wireless Communications and Networking Conference 2006 (WCNC 2006), Las Vegas, USA, April 2006.

Chunyi Song, S. Shimamoto, 「Improvement on Power Efficiency of MPSK by Employing Elliptical Signals」, IEEE Wireless Communications and Networking Conference 2006 (WCNC 2006), Las Vegas, USA. Proc IEEE WCNC 2006, Vol.4, page(s):1921-1926.

Jordi Agud Ruiz,Shigeru Shimamoto, 「Experimental Evaluation of Body Channel Resonse and Digital Modulation Schemes for Intra-body Communications」, IEEE International Conference on Communications 2006 (ICC 2006), Istanbul, Turkey, June 2006.

Iskandar,Shigeru Shimamoto, 「Prediction of propagation path loss for stratospheric platforms mobile communications in urban site LOS/NLOS environment」, in Proceedings IEEE International Conference on Communications (ICC 2006), Istanbul, Turkey, vol.12, June 2006, pp. 5643-5648.

R. Kimura, R. Funada, H. Harada and S.Shimamoto, 「Multiple-OR-decomposition assisted group detection for reduced-complexity-and-latency MIMO-OFDM receivers」, Proc. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2006) Sept. 2006.

R. Kimura, S. Shimamoto, 「A multi-carrier based approach to wireless duplex: orthogonal frequency division duplex (OFDD)」, Proc.IEEE International Symposium on Wireless Communication System (ISWCS 2006),Sept.2006.

Mohammad Rajiullah, Shigeru Shimamoto, 「Low Overhead Deterministic Cluster Heads Selection in Wireless Sensor Networks」, Asian Simulation Conference 2006 (JSST), Oct.2006, Tokyo, Japan, pp:450-454.

Iskandar,Shigeru Shimamoto, 「On the downlink performance of stratospheric platform mobile communications channel」, in Proceedings IEEE Global Telecommunications Conference (GLOBECOM 2006), San Francisco, USA, November 2006.

Iskandar and S. Shimamoto, 「The channel characterization and performance evaluation of mobile communication employing stratospheric platform」, IEEE/ACES Wireless Communications and Applied Computational Electromagnetics (WCACEM) 2005, pp.828-831, April 2005.

H. D. Tu, Y. Tsuda, S. Shimamoto, J. Kitaori and S. Kato, 「The next generation air to ground communication system for air traffic control」, IEEE/ACES Wireless Communications and Applied Computational Electromagnetics (WCACEM) 2005, pp.1010-1013, April 2005.

Y.Nasu and S. Shimamoto, 「A study of multi-hop mobile communication access models considering elapsed time from coverage area」, IEEE/ACES Wireless Communications and Applied Computational Electromagnetics (WCACEM) 2005, pp.1033-1036, April 2005.

C.Song and S. Shimamoto, 「Proposal and evaluation of 8－ary elliptical phase shift keying」, IEEE International Conference on Communications (ICC) 2005, vol.1, pp.598-602, May 2005.

J.A.Ruiz and S. Shimamoto, 「A study on the transmission characteristics of the human body towards broadband intra-body communications, 」 IEEE International Symposium on Consumer Electronics (ISCE) 2005, pp.99-104, June 2005.

Y. J. Wu and S. Shimamot, 「A study on the application of digital cameras to derive audio information from the TVs on trains 」, IEEE International Symposium on Consumer Electronics (ISCE) 2005, pp.161-166, June 2005.

Iskandar and S. Shimamoto, 「Urban site path loss prediction for mobile communications employing stratospheric platforms」, IEEE International Symposium on Signal Processing and Its Application (ISSPA) 2005, vol.1, pp.267-270, Aug. 2005.

R. Kimura, R. Funada, H. Harada and S. Shimamoto, 「A complexity-reduced time alignment control with a 2-step precedence path detection in uplink dynamic parameter controlled OF/TDMA」, International Symposium on Wireless Personal Multimedia Communications (WPMC) 2005, pp.1122-1126, Sept. 2005.

Iskandar and S. Shimamoto, 「Ray tracing for urban site propagation in stratospheric platform mobile communications」, IEEE Asia-Pacific Conference on Communications (APCC) 2005, pp. 212-216, Oct. 2005.

C. Song and S. Shimamoto, 「Evaluations of elliptical modulation scheme」, IEEE Wireless Communications and Networking Conference (WCNC) 2004, vol.2, pp.1176-1181, March 2004.

C. Song and S. Shimamoto, 「Improvement on bit-error-rate performance of DS-CDMA by employing 4-elliptical phase shift keying」, IEEE International Symposium on Consumer Electronics (ISCE) 2004, pp.266-271, Sept. 2004.

Iskandar and S. Shimamoto, 「The channel characterization for mobile communication employing stratospheric platform」, The 12th International Conference on Telecommunications System, July 2004.

S. Shimamoto, 「Proposals of new modulation schemes employing elliptical circle」, IEEE Wireless Communications and Networking Conference (WCNC) 2003, vol.1, pp.223-226, March 2003.

S. Shimamoto, 「Stratospheric communication and optical communication for mobile systems」, APT Telemedicine Workshop 2002, Oct. 2002.