情報通信研究機構   研究員（非常勤）

2003年1月 - 2007年12月

東京工業大学   大学院理工学研究科   准教授

2000年4月 - 2006年3月

東京工業大学   理工学国際交流センター   助教授

1994年5月 - 2000年3月

千葉大学   工学部   助手

1992年4月 - 1994年4月

Point Cloud-Based Diffraction Path Extraction for Dynamic Human Body Shadowing Channel at 300 GHz

Kang, C., Du, X., Takada, J.-I.

IEEE Open Journal of Antennas and Propagation   6 ( 2 )   2025年

Small Distance Increment Method for Measuring Complex Permittivity With mmWave Radar

Song, H., Kim, H.J., Wan, M., Wei, B., Kikkawa, T., Takada, J.-I.

IEEE Transactions on Instrumentation and Measurement   74   2025年

THz Channels for Short-Range Mobile Networks: Multipath Channel Behavior and Human Body Shadowing Effects

Kim, M., Takada, J.-I., Mao, M., Kang, C.C., Du, X., Ghosh, A.

IEEE Communications Magazine   2025年

Measurement-based Characterization of ISAC Channels with Distributed Beamforming at Dual mmWave Bands and with Human Body Scattering and Blockage

Yang Miao, Minseok Kim, Naoya Suzuki, Chechia Kang, Junichi Takada

GLOBECOM 2024 - 2024 IEEE Global Communications Conference   1900 - 1905   2024年12月

Dual-Band MmWave Measurements of Human Body Scattering and Blockage Effects Using Distributed Beamforming for ISAC Applications

Yang Miao, Minseok Kim, Chechia Kang, Naoya Suzuki, Sofie Pollin, Junichi Takada

2024 18th European Conference on Antennas and Propagation (EuCAP)   2024年3月

Site-Specific Radio Channel Representation for 5G and 6G

Thomas Zemen, Jorge Gomez-Ponce, Aniruddha Chandra, Michael Walter, Enes Aksoy, Ruisi He, David Matolak, Minseok Kim, Jun-ichi Takada, Sana Salous, Reinaldo Valenzuela, Andreas F. Molisch

IEEE Communications Magazine   1 - 8   2024年

Point Cloud-Based Prediction Models of Dynamic Human Body Shadowing at 58 GHz

Chechia Kang, Xin Du, Jun-Ichi Takada

IEEE Open Journal of Antennas and Propagation   1 - 1   2024年

Multi-Layer Building Material Modeling and Parameter Estimation Method by Wide-Band Free Space Measurement

Saito, K., Kang, C., Takada, J.-I.

IEEE Access   12   2024年

Parameter Mapping Technique of Site-Specific Channel in Dynamic Scenario for Performance Evaluation of Wireless Channel Emulator

Keerativoranan, N., Saito, K., Takada, J.-I.

IEEE Wireless Communications Letters   13 ( 7 )   2024年

Grid-Based Channel Modeling Technique for Scenario-Specific Wireless Channel Emulator Based on Path Parameters Interpolation

Keerativoranan, N., Saito, K., Takada, J.-I.

IEEE Open Journal of the Communications Society   5   2024年

RCTrans-Net: A spatiotemporal model for fast-time human detection behind walls using ultrawideband radar

Avian, C., Leu, J.-S., Song, H., Takada, J.-I., Putro, N.A.S., Mahali, M.I., Prakosa, S.

Computers and Electrical Engineering   120   2024年

A Distributed Sensor-Based Recursive Framework for DoA Estimation and Geolocation

Jiang, L., Keerativoranan, N., Matsumoto, T., Takada, J.-I.

IEEE Access   12   2024年

Cross-Correlation of Confocal Images for Excised Breast Tissues of Total Mastectomy

Song, H., Sasada, S., Kadoya, T., Arihiro, K., Okada, M., Xiao, X., Ishikawa, T., O{'}loughlin, D., Takada, J.-I., Kikkawa, T.

IEEE Transactions on Biomedical Engineering   71 ( 5 )   2024年

Equivalence of knife-edge diffraction model and uniform geometrical theory of diffraction applying Fresnel approximation for an absorbing screen 査読

Du, X., Takada, J.-I.

Electronics Letters   59 ( 22 )   2023年11月

UTD-Type Solution of Physical Optics Approximation for Reconfigurable Intelligent Surface Modeled by a Continuous Planar Surface 査読

Du, X., Kang, C., Takada, J.-I.

IEEE Open Journal of Antennas and Propagation   4   1103 - 1115   2023年11月

Measurement of the Dynamic Radio Channel at Sub-THz Band Affected by Human Body Shadowing 査読

CheChia Kang, Xin Du, Jun-ichi Takada

Proceedings of the XXXVth URSI General Assembly and Scientific Symposium – GASS 2023   2023年8月

Comparison of Physical Optics and Ray Tracing in Non-Planar Serration Object at Millimeter-Wave Band 査読

Ek-amorn Shinwasusin, Nopphon Keerativoranan, Panawit Hanpinitsak, Xin Du, Jun-ichi Takada

Proceedings of the XXXVth URSI General Assembly and Scientific Symposium – GASS 2023   2023年8月

Design of Simulation Parameters in Angular spectrum Domain for Two-dimensional Mirror Kirchhoff Approximation and Split Step Parabolic Equation 招待 査読

Xin Du, Jun-Ichi Takada

Proceedings of the XXXVth URSI General Assembly and Scientific Symposium – GASS 2023   2023年8月

Comparison between the Fields Modeled by a Circular Cylinder and a Screen in the Transition Region 査読

Xin Du, CheChia Kang, Jun-ichi Takada

2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI)   2023年7月

Scenario-specific radio propagation simulation from LiDAR point cloud data for smart office scenario

Kentaro Saito, Nopphon Keerativoranan, Jun-ichi Takada

IEICE Communications Express   12 ( 7 )   379 - 384   2023年7月

A Uniform Additional Term Using Fock-Type Integral to Unify Edge Diffraction, Creeping Diffraction, and Re ection in Lit and Shadowed Regions 査読

Du, X., Takada, J.-I.

Progress in Electromagnetics Research B   101 ( 6 )   101 - 117   2023年7月

Design of Parameters of Fast Fourier Transform for Three-Dimensional Split Step Parabolic Equations and Mirror Kirchhoff Approximation 査読

Du, X., Takada, J.-I.

IEEE Access   11   44964 - 44976   2023年5月

Structure of the Field behind a Dielectric Circular Cylinder in the Lit Side of the Transition Region 査読

Du, X., Takada, J.-I.

Progress in Electromagnetics Research M   116 ( 9 )   103 - 118   2023年4月

Synchronized Dynamic Channel Sounder and Posture Capture for Millimeter Wave Radio Channel Suffered from Human Body Shadowing 査読

CheChia Kang, Xin Du, Jun-Ichi Takada

2023 17th European Conference on Antennas and Propagation (EuCAP)   2023年3月

Prediction Method for Propagation Path Loss Obstructed by Dielectric Material in the 920-MHz Band

Yamamoto, N., Sasaki, T., Yamamoto, A., Hishikawa, T., Takada, J.-I.

IEEE Access   11   2023年

Maximum-Likelihood-Based Location, Orientation, Transmitted Power, and Antenna Beamwidth Estimator Utilizing the Angle-of-Arrival and Received Power for Spectrum Sharing at Millimeter Wave Bands

Hanpinitsak, P., Murakami, K., Takada, J.-I., Saito, K.

IEEE Access   11   2023年

Low Computational Cost Mirror Kirchhoff Approximation for Predicting Shadowing Effect 査読

Du, X., Takada, J.-I.

IEEE Access   10   23829 - 23841   2022年2月

Indoor Model Reconstruction using 3D Point Cloud Data for Ray Tracing Simulation

Wataru Okamura, Kento Sugiyama, Gilbert Siy Ching, Yukiko Kishiki, Kentaro Saito, Jun-ichi Takada

2022 IEEE 33RD ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS (IEEE PIMRC)   2022年

Use Chains to Block DNS Attacks: A Trusty Blockchain-based Domain Name System

Hsieh, W.-B., Leu, J.-S., Takada, J.-I.

Journal of Communications and Networks   24 ( 3 )   2022年

920MHz Path Loss Prediction Formula Based on FDTD Method for IoT Wireless System close to Ceiling with Concrete Beam

Yamamoto, N., Sasaki, T., Yamamoto, A., Hishikawa, T., Saito, K., Takada, J.-I., Maeyama, T.

IEICE Transactions on Communications   E105B ( 12 )   2022年

Investigating the Effect of Realistic Leaky Coaxial Cable Setting on Its Radiation Pattern in Communications-based Train Control

Tossaporn Srisooksai, Satoshi Nishida, Jun-Ichi Takada

2021 34th General Assembly and Scientific Symposium of the International Union of Radio Science, URSI GASS 2021   2021年8月

Mirror kirchhoff approximation for predicting shadowing effect by a PEC convex cylinder

Xin Du, Jun-Ichi Takada

2021 International Applied Computational Electromagnetics Society Symposium, ACES 2021   2021年8月

Experimental evaluation of over-the-rooftop propagation loss prediction model for the spectrum sharing at 26 GHz Band

Jun-Ichi Takada, Kosuke Murakami, Panawit Hanpinitsak, Kentaro Saito

2021 International Applied Computational Electromagnetics Society Symposium, ACES 2021   2021年8月

Mirror kirchhoff approximation for predicting shadowing effect by a PEC convex cylinder

Xin Du, Jun-Ichi Takada

2021 International Applied Computational Electromagnetics Society Symposium, ACES 2021   2021年8月

Circular Mesh-Based Physical Optics for Scattered Field Prediction

Nopphon Keerativoranan, Panawit Hanpinitsak, Kentaro Saito, Jun-ichi Takada

IEEE Antennas and Wireless Propagation Letters   20 ( 3 )   1 - 1   2021年3月

Environment mapping technique using millimeter-wave radio systems

Yuto Miyake, Minseok Kim, Takeshi Tasaki, Satoshi Yamakawa, Jun-Ichi Takada

2020 International Symposium on Antennas and Propagation, ISAP 2020   833 - 834   2021年1月

Angle-of-arrival-based outdoor localization for spectrum sharing at 25 GHz band

Panawit Hanpinitsak, Kosuke Murakami, Kentaro Saito, Jun-Ichi Takada

2020 International Symposium on Antennas and Propagation, ISAP 2020   745 - 746   2021年1月

Development of Room Geometry Estimation Technique Utilizing Millimeter-Wave Radio Systems

Yuto Miyake, Minseok Kim, Jun-ichi Takada

IEICE Communications Express   2021年

A novel mirror kirchhoff approximation method for predicting the shadowing effect by a metal cuboid

Du, X., Saito, K., Takada, J.-I., Hanpinitsak, P.

Progress In Electromagnetics Research M   104   2021年

Predicting Default Risk on Peer-to-Peer Lending Imbalanced Datasets

Chen, Y.-R., Leu, J.-S., Huang, S.-A., Wang, J.-T., Takada, J.-I.

IEEE Access   9   2021年

Rain Attenuation Prediction Based on Theoretical Method with Realistic Drop Shape for Millimeter-Wave Radio in Tropical Region

Yong Hong Tan, Kentaro Saito, Jun-ichi Takada, Md Rafiqul Islam, Abdul Rahman Tharek

IEICE Communications Express   advpub   2021年

Modeling Multi-Frequency Characteristics for Classroom and Hall Scenarios at 2-4, 9-11 and 27-29 GHz Bands

Guojin Zhang, Jesper Odum Nielsen, Xuesong Cai, Kentaro Saito, Panawit Hanpinitsak, Jun-Ichi Takada, Gert Frolund Pedersen, Wei Fan

IEEE Access   9   14549 - 14563   2021年

Development of a Material for Gauging Sustainable Transitions Towards Adoption and Implementation of Television White Space Communications Systems

Calinao, H.A., Materum, L., Takada, J., Trinidad, E., Homma, K., Ota, K., Mazlan, S.A., Rambat, S.

International Journal of Emerging Technology and Advanced Engineering   11 ( 12 )   2021年

Applying a Hybrid Sequential Model to Chinese Sentence Correction

Jun Wei Chen, Xanno K. Sigalingging, Jenq-Shiou Leu, Jun-ichi Takada

Symmetry   12 ( 12 )   2020年11月

Measurement-Based Analysis and Modeling of Multimode Channel Behaviors in Spherical Vector Wave Domain

Yang Miao, Katsuyuki Haneda, Jun-Ichi Naganawa, Minseok Kim, Jun-Ichi Takada

IEEE Transactions on Wireless Communications   19 ( 8 )   5345 - 5358   2020年8月

Millimeter-Wave Radio Channel Characterization Using Multi-Dimensional Sub-Grid CLEAN Algorithm

Minseok KIM, Tatsuki IWATA, Shigenobu SASAKI, Jun-ichi TAKADA

IEICE Transactions on Communications   E103.B ( 7 )   767 - 779   2020年7月

Cluster Intensity and Spread Characteristics in Classroom Scenario at 10 and 28 GHz Bands

Panawit Hanpinitsak, Kentaro Saito, Wei Fan, Johannes Hejselbaek, Jun-Ichi Takada, Gert Frolund Pedersen

14th European Conference on Antennas and Propagation, EuCAP 2020   2020年3月

A Kirchhoff Approximation based Spectrum Availability Prediction Method at Millimeter Wave

Kosuke Murakami, Jun-Ichi Takada, Kentaro Saito, Panawit Hanpinitsak

14th European Conference on Antennas and Propagation, EuCAP 2020   2020年3月

Analysis of Non-Intrusive Hand Trajectory Tracking by Utilizing Micro-Doppler Signature Obtained From Wi-Fi Channel State Information

Nopphon Keerativoranan, Panawit Hanpinitsak, Kentaro Saito, Jun-Ichi Takada

IEEE Access   8   176430 - 176444   2020年

Construction of an indoor radio environment map using gradient boosting decision tree

Rufaida, S.I., Leu, J.-S., Su, K.-W., Haniz, A., Takada, J.-I.

Wireless Networks   26 ( 8 )   2020年

Measurement-Based Feasibility Exploration on Detecting and Localizing Multiple Humans Using MIMO Radio Channel Properties

Miao, Y., Tanghe, E., Takada, J.-I., Pedersen, T., Laly, P., Gaillot, D.P., Lienard, M., Martens, L., Joseph, W.

IEEE Access   8   2020年

Joint delay and azimuth estimation of coherent waves for millimeter-wave band channel sounding

Saito, K., Mirfan, a, A.S., Takada, J.I., Nakamura, M., Yamada, W., Takatori, Y.

ASEAN Engineering Journal   10 ( 1 )   2020年

IEEE Access Special Section Editorial: 5G and beyond Mobile Wireless Communications Enabling Intelligent Mobility

Guan, K., Rupp, M., Kurner, T., Briso, C., Matolak, D.W., Takada, J.-I., Wang, W.

IEEE Access   8   2020年

Simplification method of 3D point cloud data for ray trace simulation in indoor environment

Wataru Okamura, Rikisenia Lukita, Gilbert Ching, Yuki Matsuyama, Yukiko Kishiki, Zhihang Chen, Kentaro Saito, Jun-ichi Takada

IEICE Communications Express   9 ( 6 )   2020年

Site-Specific Propagation Loss Prediction in 4.9 GHz Band Outdoor-to-Indoor Scenario

Kentaro Saito, Qiwei Fan, Nopphon Keerativoranan, Jun-ichi Takada

Electronics   8 ( 12 )   2019年11月

Vertical and Horizontal Building Entry Loss Measurement in 4.9 GHz Band by Unmanned Aerial Vehicle 査読

Kentaro Saito, Qiwei Fan, Nopphon Keerativoranan, Jun-ichi Takada

IEEE Wireless Communications Letters   8 ( 2 )   444 - 447   2019年4月

The Influence of Teachers’ Professional Development Activities on the Factors Promoting ICT Integration in Primary Schools in Mongolia

Shengru Li, Shinobu Yamaguchi, Javzan Sukhbaatar, Jun-ichi Takada

Education Sciences   9 ( 2 )   2019年4月

Millimeter-Wave Channel Characterization in Large Hall Scenario at the 10 and 28 GHz Bands

Guojin Zhang, Panawit Hanpinitsak, Xuesong Cai, Wei Fan, Kentaro Saito, Jun-Ichi Takada, Gert Frolund Pedersen

13th European Conference on Antennas and Propagation, EuCAP 2019   2019年3月

4.9 GHz Band Outdoor to Indoor Propagation Loss Analysis in High Building Environment Using Unmanned Aerial Vehicle

Kentaro Saito, Qiwei Fan, Nopphon Keerativoranan, Jun-Ichi Takada

13th European Conference on Antennas and Propagation, EuCAP 2019   2019年3月

Fusing measured and simulated data for radio map construction in localization applications

Azril Haniz, Gia Khanh Tran, Kei Sakaguchi, Jun ichi Takada, Toshihiro Yamaguchi, Tsutomu Mitsui, Shintaro Arata

2019 URSI Asia-Pacific Radio Science Conference, AP-RASC 2019   2019年3月

Construction and interpolation of a multi-frequency radio map

Azril Haniz, Gia Khanh Tran, Kei Sakaguchi, Jun Ichi Takada, Toshihiro Yamaguchi, Tsutomu Mitsui, Shintaro Arata

1st International Conference on Robotics, Electrical and Signal Processing Techniques, ICREST 2019   2019-January   632 - 637   2019年2月

Small-fading and Wideband Propagation Characteristics in Fruit Orchard at 2.4 GHz for Wireless Network in Smart Farming Application 査読

Tossaporn Srisooksai, Kamol Kaemarungsi, Jun-ichi Takada, Kentaro Saito

2019年1月

Color-based Registration of Point Cloud Data by Video Camera for Electromagnetic Simulation

Zhihang Chen, Kentaro Saito, Wataru Okamura, Yukiko Kishiki, Jun-ichi Takada

IEICE Communications Express   advpub   2019年

Path loss measurement and prediction in outdoor fruit orchard for wireless sensor network at 2.4GHz band

Srisooksai, T., Kaemarungsi, K., Takada, J., Saito, K.

Progress In Electromagnetics Research C   90   2019年

Multi-Band Propagation and Radio Channel Characterization in Street Canyon Scenarios for 5G and beyond

Dupleich, D., M{\"u}eller, R., L, mann, M., Shinwasusin, E.-A., Saito, K., Takada, J.-I., Luo, J., Thom{\"a}, R., Del Galdo, G.

IEEE Access   7   2019年

Electromyography-based gesture recognition for quadriplegic users using hidden Markov model with improved particle swarm optimization

Sigalingging, X.K., Budiarsa, A.P.B., Leu, J.-S., Takada, J.-I.

International Journal of Distributed Sensor Networks   15 ( 7 )   2019年

Human-movement identification using the radio signal strength in WBAN

Archasantisuk, S., Aoyagi, T., Uusitupa, T., Kim, M., Takada, J.-I.

Wearable Technologies and Wireless Body Sensor Networks for Healthcare   2019年

Comparing Channel Emulation Algorithms by Using Plane Waves and Spherical Vector Waves in Multiprobe Anechoic Chamber Setups

Miao, Y., Fan, W., Takada, J., He, R., Yin, X., Yang, M., Rodriguez-Pineiro, J., Glazunov, A.A., Wang, W., Gong, Y.

IEEE Transactions on Antennas and Propagation   67 ( 6 )   2019年

Frequency Characteristics of Geometry-Based Clusters in Indoor Hall Environment at SHF Bands

Hanpinitsak, P., Saito, K., Fan, W., Hejselbaek, J., Takada, J.-I., Pedersen, G.F.

IEEE Access   7   2019年

Dual-band dual-rectangular-loop circular polarization antenna for global navigation satellite system

Sumi, M., Takada, J.-I.

IEICE Transactions on Communications   E102B ( 12 )   2019年

Two-step path loss prediction by artificial neural network for wireless service area planning 査読

Kentaro Saito, Yongri Jin, CheChia Kang, Jun-ichi Takada, Jenq-Shiou Leu

IEICE Communications Express   2019年

4.9 GHz Band Outdoor-to-Indoor Radio Propagation Measurement by an Unmanned Aerial Vehicle

Kentaro Saito, Qiwei Fan, Nopphon Keerativoranan, Jun-Ichi Takada

2018 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition, iWEM 2018   2018年11月

Experimental Characterization of Millimeter-wave Indoor Propagation Channels at 28 GHz 査読

Guojin Zhang, Kentaro Saito, Wei Fan, Xuesong Cai, Panawit Hanpinitsak, Jun-ichi Takada, Gert Fr?lund Pedersen

IEEE Access (Accepted)   6   2018年11月

Mitigation of CSI Temporal Phase Rotation with B2B Calibration Method for Fine-Grained Motion Detection Analysis on Commodity Wi-Fi Devices 査読

Nopphon Keerativoranan, Azril Haniz, Kentaro Saito, Jun-ichi Takada

Sensors   18 ( 11 )   2018年11月

Comparison of Plane Wave and Spherical Vector Wave Channel Modeling for Characterizing Non-Specular Rough-Surface Wave Scattering 査読

Yang Miao, Jun-ichi Takada, Kentaro Saito, Katsuyuki Haneda, Andres Alayon Glazunov, Yi Gong

IEEE Antennas and Wireless Propagation Letters   17 ( 10 )   1847 - 1851   2018年10月

Frequency Characteristics of Diffuse Scattering in SHF band in Indoor Environments 査読

Kentaro Saito, Panawit Hanpinitsak, Wei Fan, Jun-ichi Takada, Gert F. Pedersen

2018年10月

Temporal correlation model-based transmission power control in wireless body area network 査読

Sukhumarn Archasantisuk, Takahiro Aoyagi, Minseok Kim, Jun-ichi Takada

IET Wireless Sensor Systems   8 ( 2 )   191 - 199   2018年4月

The influence of interactive learning materials on self-regulated learning and learning satisfaction of primary school teachers in Mongolia

Shengru Li, Shinobu Yamaguchi, Jun Ichi Takada

Sustainability (Switzerland)   10 ( 4 )   2018年4月

Frequency Dependency Analysis of SHF band Directional Propagation Channel in Indoor Environment 査読

Kentaro Saito, Panawit Hanpinitsak, Jun-ichi Takada, Wei Fan, Gert F. Pedersen

2018年4月

Multi-dimensional Radio Channel Measurement, Analysis and Modeling for High Frequency Bands 招待 査読

Minseok Kim, Jun-ichi Takada, Kentaro Saito

IEICE Transactions on Communications   E101-B ( 2 )   293 - 308   2018年2月

A Guide of Fingerprint Based Radio Emitter Localization Using Multiple Sensors.

Tao Yu 0011, Azril Haniz, Kentaro Sano, Ryosuke Iwata, Ryouta Kosaka, Yusuke Kuki, Gia Khanh Tran, Jun-ichi Takada, Kei Sakaguchi

IEICE Transactions on Communications   101-B ( 10 )   2104 - 2119   2018年

Radio propagation measurement and characterization in outdoor tall food grass agriculture field for wireless sensor network at 2.4 GHz band

Srisooksai, T., Kaemarungsi, K., Takada, J., Saito, K.

Progress In Electromagnetics Research C   88   2018年

Development of broadband parametric permittivity model of dielectric absorbing material for time-domain electromagnetic wave simulation

Thourn, K., Aoyagi, T., Takada, J.-I.

IEEJ Transactions on Fundamentals and Materials   138 ( 6 )   2018年

Characterization of broadband mobile communication channel in 200MHz band based on saleh-valenzuela model

Ohara, H., Sawada, H., Oodo, M., Kojima, F., Harada, H., Saito, K., Takada, J.-I.

IEICE Transactions on Communications   E101B ( 11 )   2018年

Modeling the Power Angular Profile of Dense Multipath Components Using Multiple Clusters

Hanssens, B., Saito, K., Tanghe, E., Martens, L., Joseph, W., Takada, J.-I.

IEEE Access   6   2018年

A Guide of Fingerprint Based Radio Emitter Localization using Multiple Sensors.

Tao Yu 0011, Azril Haniz, Kentaro Sano, Ryosuke Iwata, Ryouta Kosaka, Yusuke Kuki, Gia Khanh Tran, Jun-ichi Takada, Kei Sakaguchi

CoRR   abs/1804.02124   2018年

Portable wide-band channel sounder based software defined radio for studying the radio propagation in an outdoor environment 査読

Tossaporn Srisooksai, Jun-Ichi Takada, Kentaro Saito

2017 International Symposium on Antennas and Propagation, ISAP 2017   2017- ( No. )   1 - 2   2017年12月

Multipath Clustering and Cluster Tracking for Geometry-Based Stochastic Channel Modeling 査読

Panawit Hanpinitsak, Kentaro Saito, Jun-ichi Takada, Minseok Kim, Lawrence Materum

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION   65 ( 11 )   6015 - 6028   2017年11月

Dense Multipath Component Characteristics in 11-GHz-Band Indoor Environments 査読

Kentaro Saito, Jun-Ichi Takada, Minseok Kim

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION   65 ( 9 )   4780 - 4789   2017年9月

Double Directional Millimeter Wave Propagation Channel Measurement and Polarimetric Cluster Properties in Outdoor Urban Pico-cell Environment 査読

Karma Wangchuk, Kento Umeki, Tatsuki Iwata, Panawit Hanpinitsak, Minseok Kim, Kentaro Saito, Jun-ichi Takada

IEICE TRANSACTIONS ON COMMUNICATIONS   E100B ( 7 )   1133 - 1144   2017年7月

Hybrid fingerprint-based localization of unknown radios: Measurements in an open field

Azril Haniz, Gia Khanh Tran, Kei Sakaguchi, Jun Ichi Takada, Daisuke Hayashi, Toshihiro Yamaguchi, Shintaro Arata

Asia-Pacific Microwave Conference Proceedings, APMC   865 - 868   2017年6月

Coexistence of DTV and TV white space systems

Yee-Loo Foo, Jun-ichi Takada

INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS   30 ( 9 )   2017年6月

A Novel Phase-difference Fingerprinting Technique for Localization of Unknown Emitters 査読

Azril HANIZ, Gia Khanh TRAN, Kentaro SAITO, Kei SAKAGUCHI, Jun-ichi TAKADA, Daisuke HAYASHI, Toshihiro YAMAGUCHI, Shintaro ARATA

IEEE Transactions on Vehicular Technology   Vol. ( No. )   2017年4月

Antenna Deembedding in WBAN Channel Modeling Using Spherical Wave Functions 査読

Jun-ichi Naganawa, Jun-ichi Takada, Takahiro Aoyagi, Minseok Kim

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION   65 ( 3 )   1289 - 1300   2017年3月

11 GHz Band MIMO Channel Characteristics in a Street Micro-Cell Environment 査読

Kentaro Saito, Jun-ichi Takada, Minseok Kim

2017 11TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP)   Vol. ( No. )   703 - 706   2017年

Investigating the drivers of mobile learning acceptance among young adults in the World Heritage town of Luang Prabang, Laos

Poong, Y.S., Yamaguchi, S., Takada, J.-I.

Information Development   33 ( 1 )   2017年

Impact of tourism growth on the changing landscape of a world Heritage Site: Case of Luang Prabang, Lao PDR

Leong, C., Takada, J.-I., Hanaoka, S., Yamaguchi, S.

Sustainability (Switzerland)   9 ( 11 )   2017年

Microwave Breast Phantom Measurement System with Compact Side Slotted Directional Antenna

Islam, M.T., Mahmud, M.Z., Misran, N., Takada, J.-I., Cho, M.

IEEE Access   5   2017年

Development of directional channel sounder using Usrpand GNU radio

Min, T., Saito, K., Takada, J.-I.

ASEAN Engineering Journal   7 ( 1 )   2017年

Aggregate Interference of Equidistant Cognitive Radios

Foo, Y.-L., Takada, J.-I.

Wireless Personal Communications   92 ( 3 )   2017年

Analysing mobile learning acceptance in the world heritage town of luang prabang, lao PDR

Poong, Y.S., Yamaguchi, S.Y., Takada, J.-I.

Education in the Asia-Pacific Region   40   2017年

Spatial Fading Emulator - Early OTA Device in Japan 査読

Jun-ichi Takada, Koichi Ogawa, Kei Sakaguchi

2017 11TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP)   3673 - 3675   2017年

Indoor Channel Characteristics in Atrium Entrance Hall Environment at Millimeter-wave Band 査読

Minseok Kim, Tatsuki Iwata, Kento Umeki, Jun-ichi Takada, Shigenobu Sasaki

2017 11TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP)   707 - 710   2017年

Propagation Loss Model in Short Range LoS Environment for TV White Space Systems using Low Antenna Height Base Station,論文：テレビホワイトスペースシステムのための低アンテナ高基地局による短距離見通し環境の伝搬損失モデル

Kan, T., Sawada, H., Mizutani, K., Ishizu, K., Murakami, H., Harada, H., Takada, J.-I.

Kyokai Joho Imeji Zasshi Journal of the Institute of Image Information and Television Engineers   71 ( 7 )   2017年

[依頼講演］ミリ波を用いる5Gセルラネットワークを実現するために 査読

タン ザカン, 阪口 啓, 荒木純道, 安藤 真, 廣川二郎, 府川和彦, 張 裕淵, 高田潤一, 齋藤健太郎, 松澤 昭, 岡田健一, 宮原正也

信学技法   Vol.   2016年10月

The Delay, Angular and Polarization Characteristics of Geometry-based Clusters in an Indoor Environment at 11 GHz Band 査読

Panawit Hanpinitsak, Kentaro Saito, Jun-ichi Takada, Minseok Kim, Lawrence Materum

2016年10月

3-Port MIMO DRAs for 2.4 GHz WLAN Communications 査読

Katsunori Ishimiya, Chi-Yuk Chiu, Zhinong Ying, Jun-ichi Takada

IEICE TRANSACTIONS ON COMMUNICATIONS   E99B ( 9 )   2047 - 2054   2016年9月

Analysis of the Changing Landscape of a World Heritage Site: Case of Luang Prabang, Lao PDR

Jun-ichi Takada

Sustainability   8 ( 8 )   2016年8月

Characterization of Radio Propagation Channel at 11 GHz 査読

Jun-ichi Takada, Minseok Kim, Kentaro Saito

European Wireless 2016; 22th European Wireless Conference   pp. 1 - 6   2016年6月

[Poster Presentation] Dynamic Tracking of Unknown Emitters in Urban Environments using Particle Filters 査読

Azril HANIZ, Gia Khanh TRAN, Kentaro SAITO, Kei SAKAGUCHI, Jun-ichi TAKADA, Daisuke HAYASHI, Toshihiro YAMAGUCHI, Shintaro ARATA

IEICE Technical Report   Vol. 2016-5-SR   2016年5月

動的無線BANチャネル特性解析のためのMIMOチャネル応答と人体姿勢の同時測定装置の開発 査読

Gaochao Chen, 高田潤一, Kentaro Saito, Minseok Kim, Takahiro Aoyagi

日本生体医工会誌 生体医工学   Vol. 54 ( Suppl. 1 )   p. 122   2016年4月

[Invited Lecture] Fingerprint-based Localization of Unknown Radio Emitters in Non Line-of-Sight Environments 査読

Azril HANIZ, Gia Khanh TRAN, Kentaro SAITO, Kei SAKAGUCHI, Jun-ichi TAKADA, Daisuke HAYASHI, Toshihiro YAMAGUCHI, Shintaro ARATA

IEICE Technical Report   Vol. 2016-3-SR-RCS-CCS-SRW   2016年3月

Human Motion Classification Using Radio Signal Strength in WBAN 査読

Sukhumarn Archasantisuk, Takahiro Aoyagi, Tero Uusitupa, Minseok Kim, Jun-ichi Takada

IEICE TRANSACTIONS ON COMMUNICATIONS   E99B ( 3 )   592 - 601   2016年3月

B-1-31 11GHz帯屋内環境におけるDense Multipath Component角度/偏波特性(B-1.アンテナ・伝播A(電波伝搬,非通信利用),一般セッション) 査読

齋藤 健太郎, 高田潤一, KIMMINSEOK

電子情報通信学会総合大会講演論文集   Vol. 2016 ( No. 1 )   2016年2月

"MIMO Channel Measurement in 11GHz-band for the Next Generation Mobile Wireless Network" 査読

Kentaro Saito, Jun-ichi Takada, Minseok Kim

2016年2月

Simulation Based Mm-Wave Channel Model For Outdoor Open Area Access Scenarios 査読

Minseok Kim, Tatsuki Iwata, Kent Umeki, Karma Wangchuk, Jun-ichi Takada, Shigenobu Sasaki

2016 URSI ASIA-PACIFIC RADIO SCIENCE CONFERENCE (URSI AP-RASC)   1292 - 1295   2016年

Radiowave propagation channel (1); Fundamentals of radiowave propagation

Takada, J.-I.

Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers   70 ( 1 )   2016年

Dual-band printed inverted-F antenna with a nested structure

Hirano, T., Takada, J.

Progress in Electromagnetics Research Letters   61   2016年

Mm-Wave Outdoor-to-Indoor Channel Measurement In An Open Square Smallcell Scenario 査読

Minseok Kim, Tatsuki Iwata, Kento Umeki, Karma Wangchuk, Jun-Ichi Takada, Shigenobu Sasaki

2016 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP)   614 - 615   2016年

Characteristics Evaluation of Dense Multipath Component in 11 GHz-band Indoor Environment 査読

Kentaro Saito, Jun-ichi Takada, Minseok Kim

2016 10TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP)   2016年

Development of Mobile Learning Application to Promote World Heritage Site Preservation Awareness Case of Luang Prabang, Lao PDR 査読

Yew Siang Poong, Shinobu Yamaguchi, Jun-ichi Takada

PROCEEDINGS OF THE SIXTH IEEE GLOBAL HUMANITARIAN TECHNOLOGY CONFERENCE GHTC 2016   78 - 83   2016年

Antenna De-embedding in WBAN Channel Modeling using Spherical Wave Functions: Transmit Antenna Model Validation 査読

Jun-ichi Naganawa, Jun-ichi Takada, Takahiro Aoyagi, Minseok Kim

2016 10TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP)   2016年

Geometrical Modeling of Shadowing Between On-body Nodes and Off-body Antennas During Various Human Movements in WBAN 査読

Takahiro Aoyagi, Jun-ichi Takada, Minseok Kim

2016 10TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP)   2016年

Dense Multipath Component Parameter Estimation in 11GHz-band Indoor Environment 査読

Kentaro Saito, Jun-ichi Takada, Minseok Kim

2016 IEEE 27TH ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR, AND MOBILE RADIO COMMUNICATIONS (PIMRC)   1167 - 1172   2016年

Clustering Method Based on Scatterer Locations for Indoor Dynamic MIMO Channel 査読

Panawit Hanpinitsak, Kentaro Saito, Junichi Takada, Minseok Kim, Lawrence Materum

2016 10TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP)   2016年

Transmission Power Control in WBAN Using the Context-Specific Temporal Correlation Model 査読

Sukhumarn Archasantisuk, Takahiro Aoyagi, Minseok Kim, Jun-ichi Takada

2016 IEEE 27TH ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR, AND MOBILE RADIO COMMUNICATIONS (PIMRC)   1907 - 1912   2016年

Polarimetric Millimeter Wave Propagation Channel Measurement and Cluster Properties in Outdoor Urban Pico-cell Environment 査読

Karma Wangchuk, Kento Umeki, Tatsuki Iwata, Minseok Kim, Kentaro Saito, Jun-ichi Takada

2016 IEEE 27TH ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR, AND MOBILE RADIO COMMUNICATIONS (PIMRC)   1178 - 1183   2016年

Propagation Channel Interpolation for Fingerprint-Based Localization of Illegal Radios 査読

Azril Haniz, Gia Khanh Tran, Ryosuke Iwata, Kei Sakaguchi, Jun-ichi Takada, Daisuke Hayashi, Toshihiro Yamaguchi, Shintaro Arata

IEICE TRANSACTIONS ON COMMUNICATIONS   E98B ( 12 )   2508 - 2519   2015年12月

[依頼講演］5Gに対する東京工業大学の取組み 〜 ミリ波ヘテロジニアスネットワークを実現するために 〜 査読

阪口 啓, タン ザカン, 荒木純道, 安藤 真, 廣川二郎, 府川和彦, 張 裕淵, 高田潤一, 齋藤健太郎, 松澤 昭, 岡田健一, 宮原正也

信学技法   Vol.   2015年10月

Antenna De-embedding of Radio Propagation Channel with Truncated Modes in the Spherical Vector Wave Domain 査読

Miao Yang, Katsuyuki Haneda, Minseok Kim, Jun-ichi Takada

IEEE Transactions on Antennas and Propagation   63 ( 9 )   4100 - 4110   2015年9月

Polarimetric Mm-wave channel measurement and characterization in a small office 査読

Minseok Kim, Kento Umeki, Karma Wangchuk, Jun-ichi Takada, Shigenobu Sasaki

2015 IEEE 26th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)   764 - 768   2015年8月

BS-1-3 11GHz帯屋内MIMOチャネルDense Multipath伝搬パラメータ推定(BS-1.高周波帯での無線システムを切り拓くアンテナ・伝搬技術,シンポジウムセッション) 査読

齋藤 健太郎, 高田潤一, KIMMINSEOK

電子情報通信学会ソサイエティ大会講演論文集   Vol. 2015 ( No. 1 )   2015年7月

Antenna De-embedding in FDTD-based Radio Propagation Prediction by using Spherical Wave Function 査読

Jun-ichi Naganawa, Katsuyuki Haneda, Minseok Kim, Takahiro Aoyagi, Jun-ichi Takada

IEEE Transactions on Antennas and Propagation   63 ( 6 )   2545 - 2557   2015年6月

Development of 4 × 4 MIMO-OFDM system and test measurement

Kei Mizutani, Kei Sakaguchi, Jun-Ichi Takada, Kiyomichi Araki

European Signal Processing Conference   06-10-   701 - 704   2015年4月

Cooperative Relaying Channel and Outage Performance in Narrowband Wireless Body Area Network 査読

Karma Wangchuk, Minseok KIM, Jun-ichi Takada

IEICE TRANSACTIONS ON COMMUNICATIONS   E98B ( 4 )   554 - 564   2015年4月

Simulation-based Scenario-Specific Channel Modeling for WBAN Cooperative Transmission Scheme 査読

Jun-ichi Naganawa, Karma Wangchuk, Minseok Kim, Takahiro Aoyagi, Jun-ichi Takada

IEEE Journals of Biomedical and Health Informatics   19 ( 2 )   559 - 570   2015年3月

EM-based recursive estimation of spatiotemporal correlation statistics for non-stationary MIMO channel

Naruse, Y., Takada, J.-I.

IEICE Transactions on Communications   E98B ( 2 )   2015年

Localization of illegal radios utilizing cross-correlation of channel impulse response with interpolation in urban scenarios.

Azril Haniz, Gia Khanh Tran, Kei Sakaguchi, Jun-ichi Takada, Daisuke Hayashi, Toshihiro Yamaguchi, Shintaro Arata

34th IEEE Military Communications Conference(MILCOM)   2015-December   210 - 215   2015年

Accuracy of Approximated WBAN Channel by Fundamental Modes of Spherical Wave Functions 査読

Jun-ichi Naganawa, Jun-ichi Takada, Takahiro Aoyagi, Minseok Kim

2015 9TH INTERNATIONAL SYMPOSIUM ON MEDICAL INFORMATION AND COMMUNICATION TECHNOLOGY (ISMICT)   25 - 29   2015年

Development of a Tri-Polarized Dynamic Channel Sounder for Wireless Body Area Network 査読

Gaochao Chen, Jun-ichi Naganawa, Jun-ichi Takada, Minseok Kim

2015 9TH INTERNATIONAL SYMPOSIUM ON MEDICAL INFORMATION AND COMMUNICATION TECHNOLOGY (ISMICT)   30 - 34   2015年

Study of Propagation Mechanisms and Identification of Scattering Objects in Indoor Multipath Channels At 11 GHz 査読

Khagendra Belbase, Minseok Kim, Jun-ichi Takada

2015 9th European Conference on Antennas and Propagation (EuCAP)   2015年

Large Scale Characteristics of Urban Cellular Wideband Channels at 11 GHz 査読

Minseok Kim, Jun-ichi Takada, Yuyuan Chang, Jiyun Shen, Yasuhiro Oda

2015 9th European Conference on Antennas and Propagation (EuCAP)   2015年

Versatile Radio Channel Sounder for Double Directional and Multi-link MIMO Channel Measurements at 11 GHz 査読

Yohei Konishi, Minseok Kim, Yuyuan Chang, Jun-ichi Takada

IEICE Transactions on Electronics   E97-C ( 10 )   994 - 1004   2014年10月

A Spatial Fading Emulator for Evaluation of MINIO Antennas in a Cluster Environment 査読

Tsutomu Sakata, Atsushi Yamamoto, Koichi Ogawa, Hiroshi Iwai, Jun-ichi Takada, Kei Sakaguchi

IEICE TRANSACTIONS ON COMMUNICATIONS   E97B ( 10 )   2127 - 2135   2014年10月

Versatile Radio Channel Sounder for Double Directional and Multi-link MIMO Channel Measurements at 11 GHz 査読

Yohei Konishi, Yuyuan Chang, Minseok Kim, Jun-ichi Takada

IEICE TRANSACTIONS ON ELECTRONICS   E97C ( 10 )   994 - 1004   2014年10月

UWB antenna and propagation for wireless endoscopy

Kamya Yekeh Yazdandoost, Kenichi Takizawa, Ryu Miura

IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC   2014-   2155 - 2159   2014年6月

Large Scale Parameters and Double-Directional Characterization of Indoor Wideband Radio Multipath Channels at 11 GHz 査読

Minseok Kim, Yohei Konishi, Yuyuan Chang, Jun-ichi Takada

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION   62 ( 1 )   430 - 441   2014年1月

Cooperative Relaying and Outage Performance in Narrowband Wireless Body Area Network 査読

Karma Wangchu, Minseok Kim, Jun-ichi Takada

2014 XXXITH URSI GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM (URSI GASS)   2014年

Propagation loss model in short range LoS environment for TV white space systems using low antenna height base station

Kan, T., Sawada, H., Mizutani, K., Ishizu, K., Murakami, H., Harada, H., Takada, J.-I.

Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers   68 ( 11 )   2014年

Construction of screening area in open area test site

Miyashita, M., Takada, J.-I.

IEEJ Transactions on Electronics, Information and Systems   134 ( 8 )   2014年

Pattern reconstruction for deviated aut in spherical measurement by using sphericalwaves

Miao, Y., Takada, J.-I.

IEICE Transactions on Communications   E97-B ( 1 )   2014年

Measurement and evaluation of radar cross section for furniture in an indoor propagation channel

Maw, M.M., Supanakoon, P., Promwong, S., Takada, J.

Advances in Radio Science   12   2014年

FDTD-based Antenna De-embedding in WBAN on-body Channel Modeling 査読

Jun-ichi Naganawa, Minseok Kim, Takahiro Aoyagi, Jun-ichi Takada

2014 XXXITH URSI GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM (URSI GASS)   2014年

Stochastic Modelling of LOS Double-Directional Channel in Spherical Wave Domain - Concept, Formulation and Validation 査読

Yang Miao, Katsuyuki Haneda, Minseok Kim, Jun-ichi Takada

2014 XXXITH URSI GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM (URSI GASS)   2014年

Spatio-temporal Channel Characteristics in Urban Cellular Environments at 11 GHz for Future High Bit-rate Communications 査読

Minseok Kim, Yuyuan Chang, Jun-ichi Takada, Jiyun Shen, Yasuhiro Oda

2014 XXXITH URSI GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM (URSI GASS)   2014年

Application of Geostatistical Techniques for Spatial Interpolation of Location Fingerprints 査読

Azril Haniz, Minseok Kim, Jun-ichi Takada, Kei Sakaguchi, Shintaro Arata

2014 XXXITH URSI GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM (URSI GASS)   2014年

Clustering of Multipath Components Utilizing Geometrical Parameters for Indoor Double-Directional Propagation Channel 査読

Panawit Hanpinitsak, Minseok Kim, Jun-ichi Takada

2014 ASIA-PACIFIC MICROWAVE CONFERENCE (APMC)   1055 - 1057   2014年

Spectral Correlation Based Blind Automatic Modulation Classification using Symbol Rate Estimation

Azril Haniz, Minseok Kim, ABDUR MD. RAHMAN, Jun-ichi Takada

IEICE Transactions on Communications   E96-B ( 5 )   1158 - 1167   2013年5月

Robustness in Supervised Learning Based Blind Automatic Modulation Classification 査読

ABDUR MD. RAHMAN, Azril Haniz, Minseok Kim, Jun-ichi Takada

IEICE Transactions on Communications   E96-B ( 4 )   1030 - 1038   2013年4月

Parametric Method of Frequency-Dependent I/Q Imbalance Compensation for Wideband Quadrature Modulator 査読

Minseok Kim, Yuta Maruichi, Jun-ichi Takada

IEEE Transactions on Microwave Theory and Techniques   61 ( 1 )   270 - 280   2013年1月

Implementation of reflection on curved surfaces and physical optics in ray tracing for tunnel propagation

Kishiki, Y., Takada, J.-I., Ching, G.S., Takao, H., Sugihara, Y., Matsunaga, S., Uesaka, F.

IEICE Transactions on Electronics   E96-C ( 1 )   2013年

Measurement-based analysis of spatial degrees of freedom in multipath propagation channels

Haneda, K., Khatun, A., Dashti, M., Laitinen, T.A., Kolmonen, V.-M., Takada, J.-I., Vainikainen, P.

IEEE Transactions on Antennas and Propagation   61 ( 2 )   2013年

Cooperator Selection in 2.4GHz On-body Wireless Body Area Network 査読

Karma Wangchuk, Minseok Kim, Jun-ichi Takada

2013 7TH INTERNATIONAL SYMPOSIUM ON MEDICAL INFORMATION AND COMMUNICATION TECHNOLOGY (ISMICT)   42 - 46   2013年

Voxel Model Construction by Kinect for Propagation Channel Simulation 査読

Akinori Fujie, Jun-ichi Naganawa, Minseok Kim, Takahiro Aoyagi, Jun-ichi Takada

2013 7TH INTERNATIONAL SYMPOSIUM ON MEDICAL INFORMATION AND COMMUNICATION TECHNOLOGY (ISMICT)   164 - 168   2013年

Characterization and Modeling of Indoor Wideband MIMO Channels At 11 GHz 査読

Minseok Kim, Yohei Konishi, Yuyuan Chang, Jun-ichi Takada

2013 7TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP)   2792 - 2793   2013年

Antenna pattern reconstruction by spherical vector waves for spherical antenna measurement

Yang Miao, Jun-Ichi Takada

2013 International Symposium on Electromagnetic Theory, EMTS 2013 - Proceedings   1035 - 1038   2013年

Multiband loop handset antenna with less ground clearance

Ishimiya, K., Chiu, C.-Y., Takada, J.-I.

IEEE Antennas and Wireless Propagation Letters   12   2013年

Novel Scalable MIMO Channel Sounding Technique and Measurement Accuracy Evaluation with Transceiver Impairments 査読

Minseok Kim, Jun-ichi Takada, Yohei Konishi

IEEE Transactions on Instrumentation and Measurement   61 ( 11 )   3185 - 3197   2012年12月

Characterization of Wireless On-Body Channel Under Specific Action Scenarios at Sub-GHz Bands 査読

Minseok Kim, Jun-ichi Takada

IEEE Transactions on Antennas and Propagation   60 ( 11 )   5364 - 5372   2012年11月

Automatic IQ Imbalance Compensation Technique for Quadrature Modulator by Single-Tone Testing 査読

Minseok Kim, Yohei Konishi, Jun-ichi Takada, Boxin Gao

IEICE TRANSACTIONS ON COMMUNICATIONS   E95B ( 5 )   1864 - 1868   2012年5月

Performance Enhancement of Multi-cyclic Detector for Cognitive Radios with OFDM Primary System

Minseok Kim, Kimtho Po, Jun-ichi Takada

IEICE Transactions on Communications   E95-B ( 3 )   950 - 960   2012年3月

Performance evaluation of ultra wideband printed antenna by system characterization 査読

Adi Mahmud Jaya Marindra, Sathaporn Promwong, Jun-Ichi Takada

2012 9th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, ECTI-CON 2012   2012年

The utilization of body skeleton model for modeling the dynamic BAN channels 査読

Iswandi, Takahiro Aoyagi, Minseok Kim, Junichi Takada

Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012   540 - 543   2012年

Analysis of mobile radio wave dispersion through vegetation 査読

Mir Ghoraishi, Jun-Ichi Takada, Tetsuro Imai

Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012   3366 - 3370   2012年

Link correlation property in WBAN at 2.4 GHz by multi-link channel measurement 査読

Minseok Kim, Karma Wangchuk, Jun-Ichi Takada

Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012   548 - 552   2012年

Comprehensive Characterization of a Novel UWB Elliptical Planar Monopole Antenna 査読

Adi Mahmud Jaya Marindra, Sathaporn Promwong, Jun-ichi Takada

TENCON 2012 - 2012 IEEE REGION 10 CONFERENCE: SUSTAINABLE DEVELOPMENT THROUGH HUMANITARIAN TECHNOLOGY   2012年

60 GHz Radio Wave Propagation Prediction in a Hospital Environment Using an Accurate Room Structural Model 査読

Jan Jarvelainen, Katsuyuki Haneda, Mikko Kyro, Veli-Matti Kolmonen, Jun-ichi Takada, Hiroaki Hagiwara

2012 LOUGHBOROUGH ANTENNAS & PROPAGATION CONFERENCE (LAPC)   2012年

Analysis of angular spread characteristics of mobile radio wave dispersion through foliage

Hung Vu Le, Jun-Ichi Takada, Mir Ghoraishi, Chaymaly Phakasoum, Koshiro Kitao, Tetsuro Imai

IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)   315 - 318   2012年

On point source and observation modeling for path loss calculation using FDTD method

Jun-Ichi Naganawa, Minseok Kim, Jun-Ichi Takada

IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)   983 - 986   2012年

A study on transmission characteristics of large-scale multihop wireless LAN using L2 routing

Miyashita, M., Kurono, M., Takada, J.-I.

Electronics and Communications in Japan   95 ( 8 )   2012年

Guest editorial for the special issue on multiple-input multiple-output (MIMO)

Wallace, J.W., Andersen, J.B., Lau, B.K., Daneshrad, B., Takada, J.-I.

IEEE Transactions on Antennas and Propagation   60 ( 2 PART 1 )   2012年

Analysis of effect of user misbehaviours on the reservation-based MAC protocols inwireless communication networks

Wattanamongkhol, N., Srichavengsup, W., Vanichchanunt, P., Annur, R., Takada, J.-I., Wuttisittikulkij, L.

IEICE Transactions on Communications   E95-B ( 9 )   2012年

Channel modelling and performance evaluation of UWB-based wireless body area networks 査読

Kenichi Takizawa, Takahiro Aoyagi, Kiyoshi Hamaguchi, Ryuji Kohno

International Journal of Ultra Wideband Communications and Systems   2 ( 3 )   125 - 132   2012年

Calibration Techniques for Fully Parallel 24 X 24 MIMO Sounder 査読

Yuyuan Chang, Yohei Konishi, Minseok Kim, Jun-ichi Takada

International Symposium on Antennas and Propagation (ISAP 2012)   331 - 334   2012年

Multi-link Indoor MIMO Measurements at 11 GHz using Scalable Wideband Channel Sounder 査読

Yohei Konishi, Yuyuan Chang, Minseok Kim, Yuta Maruichi, Pham Van, Jun-ichi Takada

International Symposium on Antennas and Propagation (ISAP 2012)   335 - 338   2012年

Propagation characteristics for 2.45 GHz dynamic wearable WBAN using multiport VNA 査読

Takahiro Aoyagi, Jun-Ichi Takada, Kenichi Takizawa, Kamya Y. Yazdandoost, Huan-Bang Li, Marco Hernandez, Kiyoshi Hamaguchi, Ryu Miura, Takehiko Kobayashi, Ryuji Kohno

2012 6th International Symposium on Medical Information and Communication Technology, ISMICT 2012   2012年

Numerical Simulations for Wearable BAN Propagation Channel during Various Human Movements 査読

Takahiro Aoyagi, Minseok Kim, Jun-ichi Takada, Kiyoshi Hamaguchi, Ryuji Kohno

IEICE TRANSACTIONS ON COMMUNICATIONS   E94B ( 9 )   2496 - 2500   2011年9月

Frequency characteristics of angular spread for radio wave propagation through foliage

Chaymaly Phakasoum, Mir Ghoraishi, Jun-Ichi Takada, Koshiro Kitao, Tetsuro Imai

Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011   3289 - 3292   2011年

Body motion and channel response of dynamic body area channel

Takahiro Aoyagi, Iswandi, Minseok Kim, Jun-Ichi Takada, Kiyoshi Hamaguchi, Ryuji Kohno

Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011   3138 - 3142   2011年

Automatic modulation classification in wireless disaster area emergency network (W-DAEN) 査読

Md. Abdur Rahman, Azril Haniz, Minseok Kim, Jun-Ichi Takada

Proceedings of the 2011 6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications, CROWNCOM 2011   226 - 230   2011年

Optimum threshold for indoor UWB ToA-based ranging

Dashti, M., Ghoraishi, M., Haneda, K., Takada, J.-I., Takizawa, K.

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences   E94-A ( 10 )   2011年

Special issue on "Towards the connected body: advances in body communications"

De Doncker, P., Takada, J.-I., Reichman, A., Neirynck, D.

Eurasip Journal on Wireless Communications and Networking   2011 ( 1 )   2011年

A study on transmission characteristics of large scale multi-hop wireless lan using l2 routing

Miyashita, M., Kurono, M., Takada, J.-I.

IEEJ Transactions on Electronics, Information and Systems   131 ( 10 )   2011年

Performance evaluation of wireless communications for capsule endoscopy 査読

Kenichi Takizawa, Takahiro Aoyagi, Kiyoshi Hamaguchi

IEICE Transactions on Communications   E94-B ( 9 )   2488 - 2491   2011年

Numerical simulations for dynamic WBAN propagation channel during various human movements 査読

Takahiro Aoyagi, Minseok Kim, Jun-Ichi Takada, Kiyoshi Hamaguchi, Ryuji Kohno

2011 5th International Symposium on Medical Information and Communication Technology, ISMICT 2011   65 - 69   2011年

Three-ray path loss based on peak power loss for ultra wideband impulse radio systems 査読

Pichaya Supanakoon, Saksit Chaiyapong, Sathaporn Promwong, Jun-Ichi Takada

2011 International Symposium on Intelligent Signal Processing and Communications Systems: "The Decade of Intelligent and Green Signal Processing and Communications", ISPACS 2011   2011年

Development of 4x4 full-MIMO channel sounder operating at 11 GHz with 400 MHz bandwidth utilizing software radio architecture 査読

Jun-Ichi Takada, Yohei Konishi, Boxin Gao, Minseok Kim, Mir Ghoraishi, Satoshi Suyama, Hiroshi Suzuki

2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011   2011年

Waveform Distortion and Transmission Gain on Ultra Wideband Impulse Radio 査読

Sathaporn Promwong, Pichaya Supanakoon, Jun-ichi Takada

IEICE TRANSACTIONS ON COMMUNICATIONS   E93B ( 10 )   2644 - 2650   2010年10月

Characterization and Modeling of Dynamic On-Body Propagation at 4.5 GHz 査読

Bin Zhen, Minseok Kim, Jun-ichi Takada, Ryuji Kohno

IEEE Antennas and Wireless Propagation Letters   8   1263 - 1267   2010年1月

Antenna radiation pattern influence on UWB ranging accuracy

Marzieh Dashti, Tommi Laitinen, Mir Ghoraishi, Katsuyuki Haneda, Juha Toivanen, Jun-Ichi Takada, Pertti Vainikainen

EuCAP 2010 - The 4th European Conference on Antennas and Propagation   2010年

Finite-state Markov model for on-body channels with human movements 査読

Bin Zhen, Minseok Kim, Jun-ichi Takada, Ryuji Kohno

2010 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS   2010年

IEEE transactions on antennas and propagation and microwave theory and techniques announce a joint special issue on multiple-input multiple-output (MIMO) technology

Andersen, J.B., Lau, B.K., Wallace, J.W., Daneshrad, B., Takada, J.-I.

IEEE Antennas and Propagation Magazine   52 ( 1 )   2010年

Low-complexity video encoding method for wireless image transmission in capsule endoscope 査読

Kenichi Takizawa, Kiyoshi Hamaguchi

2010 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC'10   3479 - 3482   2010年

Spectrum sensing on emergency radio spectrum management system 査読

Azril Haniz, Md. Abdur Rahman, Minseok Kim, Jun-Ichi Takada

ISCIT 2010 - 2010 10th International Symposium on Communications and Information Technologies   985 - 990   2010年

Finite-state Markov model for on-body channels with human movements 査読

Bin Zhen, Minseok Kim, Jun-Ichi Takada, Ryuji Kohno

IEEE International Conference on Communications   2010年

Azimuth and Delay Dispersion of Mobile Radio Wave Propagation through Vegetation 査読

Mir Ghoraishi, Jun-ichi Takada, Chaymaly Phakasoum, Tetsuro Imai, Koshiro Kitao

PROCEEDINGS OF THE FOURTH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION   2010年

Influence of Phase Noise on the Frequency Division Multiplexing Channel Sounding 査読

Mir Ghoraishi, Minseok Kim, Jun-ichi Takada

2010 ASIA-PACIFIC MICROWAVE CONFERENCE   1938 - 1941   2010年

Statistical Model of 4.5 GHz Narrowband On-Body Propagation Channel with Specific Actions 査読

Minseok Kim, Jun-ichi Takada

IEEE Antennas and Wireless Propagation Letters   8   1250 - 1254   2009年12月

Iterative Channel Estimation in MIMO Antenna Selection Systems for Correlated Gauss-Markov Channel 査読

Yousuke Naruse, Jun-ichi Takada

IEICE TRANSACTIONS ON COMMUNICATIONS   E92B ( 3 )   922 - 932   2009年3月

Wideband Polarimetric Directional Propagation Channel Analysis Inside an Arched Tunnel 査読

Gilbert Siy Ching, Mir Ghoraishi, Markus Landmann, Navarat Lertsirisopon, Jun-ichi Takada, Tetsuro Imai, Itoji Sameda, Hironori Sakamoto

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION   57 ( 3 )   760 - 767   2009年3月

Development of a WBAN Channel Model for Capsule Endoscopy 査読

Takahiro Aoyagi, Kenichi Takizawa, Takehiko Kobayashi, Jun-ichi Takada, Ryuji Kohno

2009 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM AND USNC/URSI NATIONAL RADIO SCIENCE MEETING, VOLS 1-6   2651 - +   2009年

Performance evaluation of threshold-based UWB ranging methods - Leading edge vs. search back

Katsuyuki Haneda, Ken-Ichi Takizawa, Jun-Ichi Takada, Marzieh Dashti, Pertti Vainikainen

European Conference on Antennas and Propagation, EuCAP 2009, Proceedings   3673 - 3677   2009年

Signal subspace interpolation from discrete measurement samples In constructing a database for location fingerprint technique

Cherntanomwong, P., Takada, J.-I., Tsuji, H.

IEICE Transactions on Communications   E92-B ( 9 )   2009年

Mutual information of mimo system in a corridor environment based on double directional channel measurement

Keowsawat, P., Phongcharoenpanich, C., Kosulvit, S., Takada, J., Krairiksh, M.

Journal of Electromagnetic Waves and Applications   23 ( 8-9 )   2009年

Editorial: Advances in propagation modeling for wireless systems

Oestges, C., Jensen, M., Kyritsi, P., Shafi, M., Takada, J.-I.

Eurasip Journal on Wireless Communications and Networking   2009   2009年

Foreword: Special section on dynamic spectrum access

Takada, J.-I.

IEICE Transactions on Communications   E92-B ( 12 )   3571 - 3571   2009年

A body surface coordinator for implanted biosensor networks 査読

Bin Zhen, Kenichi Takizawa, Takahiro Aoyagi, Ryuji Kohno

IEEE International Conference on Communications   2009年

Characterization and modeling of dynamic on-body propagation.

Bin Zhen, Minseok Kim 0001, Jun-ichi Takada, Ryuji Kohno

3rd International Conference on Pervasive Computing Technologies for Healthcare(PervasiveHealth)   1 - 6   2009年

Experimental Investigation and Modeling of Shadow Fading by Human Movement on Body Surface Propagation Channel 査読

Minseok Kim, Jun-ichi Takada

2009 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM AND USNC/URSI NATIONAL RADIO SCIENCE MEETING, VOLS 1-6   2655 - 2658   2009年

A Delay Domain Pathloss Model for Ultra Wideband Ranging 査読

Katsuyuki Haneda, Jun-ichi Takada, Ken-ichi Takizawa, Pertti Vainikainen

2009 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM AND USNC/URSI NATIONAL RADIO SCIENCE MEETING, VOLS 1-6   2687 - +   2009年

Polarimetric Kronecker Separability of Site-Specific Double-Directional Channel in an Urban Macrocellular Environment 査読

Kriangsak Sivasondhivat, Jun-Ichi Takada, Ichirou Ida, Yasuyuki Oishi

EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING   2009   2009年

MIMO Channel Capacity Measurement in the Presence of Spatial Clusters Using a Fading Emulator 査読

Tsutomu Sakata, Atsushi Yamamoto, Koichi Ogawa, Jun-ichi Takada

2009 IEEE 20TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS   97 - 101   2009年

Cluster Polarization Behavior of a MIMO System: Measurement, Modeling and Statistical Validation of the Correlation of its Channel Parameters 査読

Yohei Konishi, Lawrence Materum, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi

2009 IEEE 20TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS   1786 - 1790   2009年

Polarimetric Beamforming Comparison of the Multipath Clusterization of ML Estimates and the Measurement Data of a MIMO Macrocell Channel 査読

Lawrence Materum, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi

2009 IEEE 20TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS   2843 - 2846   2009年

Efficient Multi-channel Wideband Spectrum Sensing Technique Using Filter Bank 査読

Minseok Kim, Jun-ichi Takada

2009 IEEE 20TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS   1014 - 1018   2009年

Path Loss and Power Delay Profile Channel Models for Wireless Body Area Networks 査読

Kenichi Takizawa, Takahiro Aoyagi, Huan-Bang Li, Jun-ichi Takada, Takehiko Kobayashi, Ryuji Kohno

2009 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM AND USNC/URSI NATIONAL RADIO SCIENCE MEETING, VOLS 1-6   2659 - +   2009年

Performance Evaluation of Wireless Communications through Capsule Endoscope 査読

Kenichi Takizawa, Takahiro Aoyagi, Kiyoshi Hamaguchi, Ryuji Kohno

2009 ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOLS 1-20   6897 - 6900   2009年

Channel Modeling and Performance Evaluation of UWB-based Wireless Body Area Networks 査読

Kenichi Takizawa, Takahiro Aoyagi, Ryuji Kohno

2009 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-8   4218 - 4222   2009年

A body surface coordinator for implanted biosensor networks 査読

Bin Zhen, Kenichi Takizawa, Takahiro Aoyagi, Ryuji Kohno

2009 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-8   475 - 479   2009年

Polar Directional Characteristics of the Urban Mobile Propagation Channel at 2.2 GHz 査読

Mir Ghoraishi, Gilbert Ching, Navarat Lertsirisopon, Jun-ichi Takada, Akinori Nishihara, Tetsuro Imai, Koshiro Kitao

2009 3RD EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION, VOLS 1-6   845 - +   2009年

R&D and Standardization of Body Area Network (BAN) for Medical Healthcare 査読

Ryuji Kohno, Kiyoshi Hamaguchi, Huan-Bang Li, Kenichi Takizawa

2008 IEEE INTERNATIONAL CONFERENCE ON ULTRA-WIDEBAND, VOL 3, PROCEEDINGS   3   5 - 8   2008年

Mobile communication services (730-770MHz)

Takada, J.-I.

Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers   62 ( 5 )   2008年

SNR Gain Analysis of Ultra Wideband Template Receiver for Wireless Personal Area Networks 査読

Sengaloun Keoalounxay, Sathaporn Promwong, Wiphanee Boonsing, Nikorn Sukutamatanti, Jun-ichi Takada

2008 14TH ASIA-PACIFIC CONFERENCE ON COMMUNICATIONS, (APCC), VOLS 1 AND 2   781 - +   2008年

The Waveform Distortion Due to Antennas on Transmission Loss of Ultra Wideband Impulse Radio 査読

Sathaporn Promwong, Jun-ichi Takada

2008 14TH ASIA-PACIFIC CONFERENCE ON COMMUNICATIONS, (APCC), VOLS 1 AND 2   776 - +   2008年

Conservative protection criteria for TV broadcasting services from IEEE 802.22 WRAN 査読

Kimtho Po, Jun-ichi Takada

2008 3RD INTERNATIONAL CONFERENCE ON COGNITIVE RADIO ORIENTED WIRELESS NETWORKS AND COMMUNICATIONS   385 - 388   2008年

Trends and Standardization of Body Area Network (BAN) for Medical Healthcare 査読

Huan-Bang Li, Kenichi Takizawa, Ryuji Kohno

EUWIT: 2008 EUROPEAN WIRELESS TECHNOLOGY CONFERENCE   1 - 4   2008年

Channel Models for Wireless Body Area Networks 査読

Kenichi Takizawa, Takahiro Aoyagi, Jun-ichi Takada, Norihiko Katayama, Kamya Yekeh Yazdandoost, Takehiko Kobayashi, Ryuji Kohno

2008 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Vols 1-8   1549 - 1552   2008年

Channel Model on Various Frequency Bands for Wearable Body Area Network 査読

Norihiko Katayama, Kenichi Takizawa, Takahiro Aoyagi, Jun-ichi Takada, Huan-Bang Li, Ryuji Kohno

ISABEL: 2008 FIRST INTERNATIONAL SYMPOSIUM ON APPLIED SCIENCES IN BIOMEDICAL AND COMMMUNICATION TECHNOLOGIES   41 - 45   2008年

Analysis and modeling of dsrc service over-reach inside an arched transportation tunnel

Gilbert Siy Ching, Mir Ghoraishi, Navarat Lertsirisopon, Jun-ichi Takada, Itoji Sameda, Ryuji Soma, Hironori Sakamoto, Tetsuro Imai

14th World Congress on Intelligent Transport Systems, ITS 2007   7   5668 - 5679   2007年

Spatial fading simulator using cavity-excited circular array(CECA) loaded with phase shifters 査読

Chulgyun Park, Jun-ichi Takada, Kei Sakaguchi, Takashi Ohira

2007 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM, VOLS 1-12   4870 - +   2007年

Progress of multi-band antenna technology for mobile phone

Katsunori Ishimiya, Jun-Ichi Takada, Zhinong Ying

IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)   1245 - 1248   2007年

Indoor channel measurement of 26 GHz band UWB communication system 査読

Yuko Rikuta, Suguru Fujita, Fumio Ohkubo, Hiroko Hosoya, Kiyoshi Hamaguchi, Jun-Ichi Takada, Takehiko Kobayashi

ICUWB2006: 2006 IEEE International Conference on Ultra-Wideband - Proceedings   219 - 224   2007年

Wireless patient monitoring using IEEE802.15.4a WPAN 査読

Kenichi Takizawa, Huan-Bang Li, Kiyoshi Hamaguchi, Ryuji Kohno

2007 IEEE International Conference on Ultra-Wideband, ICUWB   235 - 240   2007年

Experimental investigation of frequency dependence in spatio-temporal propagation behaviour 査読

K. Haneda, J. Takada, T. Kobayashi

IET Seminar Digest   2007 ( 11961 )   2007年

Evaluation of Distortion Due to the Antennas in Ultra Wideband Impulse Radio 査読

Sathaporn Promwong, Jun-ichi Takada

2007 ASIA PACIFIC MICROWAVE CONFERENCE, VOLS 1-5   2488 - 2491   2007年

Regression models of ultra wideband ground reflection path loss based on peak power loss 査読

Pichaya Supanakoon, Apiradee Pokang, Sathaporn Promwong, Suthichai Noppanakeepong, Jun-Ichi Takada

2007 ASIA-PACIFIC CONFERENCE ON COMMUNICATIONS   15 - +   2007年

On the performance of a receive antenna selection method for MIMO-OFDM system 査読

Quoc Tuan Tran, Shinsuke Hara, Kriangsak Sivasondhivat, Jun-ichi Takada, Atsushi Honda, Yuuta Nakaya, Kaoru Yokoo, Ichirou Ida, Yasuyuki Oishi

2007 IEEE 66TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5   690 - +   2007年

Experimental evaluation of MIMO antena selection system using RF-MEMS switches on a mobile terminal 査読

Atsushi Honda, Ichirou Ida, Yasuyuki Oishi, Quoc Tuan Tran, Shinsuke Hara, Jun-ichi Takada

2007 IEEE 18TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, VOLS 1-9   2255 - +   2007年

Tunnel Propagation Channel Characterization for DSRC Applications 査読

Gilbert Siy Ching, Mir Ghoraishi, Navarat Lertsirisopon, Jun-ichi Takada, Itoji Sameda, Ryuji Soma, Hironori Sakamoto, Tetsuro Imai

2007 ASIA PACIFIC MICROWAVE CONFERENCE, VOLS 1-5   1826 - +   2007年

Applicability of UWB double directional propagation modeling for evaluating UWB transmission performance 査読

Katsuyuki Haneda, Jun-ichi Takada, Takehiko Kobayashi

2007 IEEE 65TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-6   377 - 381   2007年

Real-time performance evaluation of a receive antenna selection for MIMO-OFDM system 査読

Quoc Tuan Tran, Shinsuke Hara, Jun-ichi Takada, Atsushi Honda, Yuuta Nakaya, Kaoru Yokoo, Ichirou Ida, Yasuyuki Oishi

2007 IEEE 18TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, VOLS 1-9   2339 - +   2007年

Ground Reflection Path Loss Based on Average Power Loss for Ultra Wideband Communications 査読

Pichaya Supanakoon, Sarunya Kaewsirisin, Sathaporn Promwong, Suthichai Noppanakeepong, Jun-ichi Takada

2007 ASIA PACIFIC MICROWAVE CONFERENCE, VOLS 1-5   1211 - +   2007年

Overview of Research, Development, Standardization, and Regulation Activities in NICT UWB Project 査読

Ken-ichi TAKIZAWA, Huan-Bang LI, Iwao NISHIYAMA, Jun-ichi TAKADA

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences   E89-A ( 11 )   2996 - 3005   2006年11月

Investigation of ultra-wideband propagation channel based on a cluster scheme 査読

Mroaki Tsuchiya, Katsuyuki Haneda, Jun-ichi Takada

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES   E89A ( 11 )   3095 - 3102   2006年11月

Performance analysis of various mimo schemes by using measured MIMO propagation data in residential home environment

K. Sakaguchi, G. K. Tran, N. D. Dao, K. Araki, J. Takada

European Space Agency, (Special Publication) ESA SP   626 SP   2006年10月

GSM + UMTS pentad -band folded dipole antenna for mobile phone

Katsunori Ishimiya, Zhinong Ying, Jun-Ichi Takada

European Space Agency, (Special Publication) ESA SP   626   2006年10月

Street dependent propagation at mobile station based on an urban residential macrocellular measurement

K. Sivasondhivat, J. Takada, I. Ida, Y. Oishi

European Space Agency, (Special Publication) ESA SP   626   2006年

A study of scattering characteristics using polygon meshed PO

Navarat Lertsirisopon, Mir Ghoraishi, Gilbert Siy Ching, Jun-Ichi Takada

Progress in Electromagnetics Research Symposium   131 - 135   2006年

Performance evaluation of a very small magnetic core loop antenna for an LF receiver 査読

Kazuaki Abe, Jun-Ichi Takada

Asia-Pacific Microwave Conference Proceedings, APMC   2   935 - 938   2006年

Measurement of Time-Varying MIMO Channel for Performance Analysis of Closed-Loop Transmission 査読

Kei Mizutani, Kei Sakaguchi, Jun-ichi Takada, Kiyomichi Araki

2006 IEEE 63RD VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-6   2854 - 2858   2006年

Simple Waveforms Satisfying MIC Spectral Mask for UWB Communications 査読

Kritsana Wansiang, Pichaya Supanakoon, Sathaporn Promwong, Jun-ichi Takada

2006 INTERNATIONAL SYMPOSIUM ON COMMUNICATIONS AND INFORMATION TECHNOLOGIES,VOLS 1-3   655 - +   2006年

Precise leading edge detection using a forward error correction coding 査読

Kenichi Takizawa, Huan-Bang Li, Ryuji Kohno

2006 3RD INTERNATIONAL SYMPOSIUM ON WIRELESS COMMUNICATION SYSTEMS, VOLS 1-2   734 - +   2006年

Measurement-based Performance Evaluation of a 26GHz Band UWB Communication System 査読

Kenichi Takizawa, Suguru Fujita, Yuko Rikuta, Kiyoshi Hamaguchi, Ryuji Kohno

2006 IEEE 64TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-6   973 - 977   2006年

Distortion analysis of ultra wideband pulse waveforms with meander line antenna 査読

Auttaphol Kiphairoj, Pichaya Supanakoon, Sathaporn Promwong, Jun-ichi Takada

2006 INTERNATIONAL SYMPOSIUM ON COMMUNICATIONS AND INFORMATION TECHNOLOGIES,VOLS 1-3   107 - +   2006年

Statistical model of RMS delay spread in UWB ground reflection channel based on peak power loss 査読

Suchada Tanchotikul, Pichaya Supanakoon, Sathaporn Promwong, Jun-ichi Takada

2006 INTERNATIONAL SYMPOSIUM ON COMMUNICATIONS AND INFORMATION TECHNOLOGIES,VOLS 1-3   669 - +   2006年

Performance Evaluation of an Antenna Selection MIMO System with RF Switches in Mobile Terminals 査読

Atsushi Honda, Yuuta Nakaya, Kaoru Yokoo, Ichirou Ida, Shinsuke Hara, Jun-ichi Takada, Yasuyuki Oishi

2006 IEEE 64TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-6   246 - +   2006年

Capacity analysis by planar ESPAR antenna in MIMO transmission 査読

Hiroya Tanaka, Jun-ichi Takada, Atsushi Honda, Ichirou Ida, Yasuyuki Oishi

TENCON 2006 - 2006 IEEE REGION 10 CONFERENCE, VOLS 1-4   1810 - +   2006年

IMPLEMENTATION AND EVALUATION OF 4 x 4 MIMO FADING SIMULATOR CONSIDERING ANTENNA CHARACTERISTICS 査読

Dao Nguyen Dung, Kei Sakaguchi, Satoshi Suyama, Riichiro Nagareda, Jun-ichi Takada, Hiroshi Suzuki, Kiyomichi Araki, Sintaro Arata, Kazuhiko Kaiga, Sakae Manabe, Toshihiro Yamaguchi, Katsuji Miwa

2006 FIRST INTERNATIONAL CONFERENCE ON COMMUNICATIONS AND ELECTRONICS   472 - +   2006年

Path loss expressions of ultra wideband ground reflection channel 査読

Sathit Aroonpraparat, Pichaya Supanakoon, Sathaporn Promwong, Jun-ichi Takada

2006 INTERNATIONAL SYMPOSIUM ON COMMUNICATIONS AND INFORMATION TECHNOLOGIES,VOLS 1-3   202 - +   2006年

Channel capacity of a handset MIMO antenna influenced by the effects of 3D angular spectrum, polarization, and operator

Koichi Ogawa, Hiroshi Iwai, Atsushi Yamamoto, Jun-Ichi Takada

IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)   153 - 156   2006年

Wideband directional radio propagation channel analysis inside an arched tunnel 査読

Gilbert Siy Ching, Mir Ghoraishi, Navarat Lertsirisopon, Jun-Ichi Takada, Itoji Sameda, Tetsuro Imai, Hironori Sakamoto

IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC   2006年

Adaptive control method of RF-combining diversity antenna with reactance control circuits

Hiroya Tanak, Jun-Ichi Takada, I. D.A. Ichirou, Yasuyuki Oishi

IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)   1   64 - 67   2005年

Ultra wideband double-directional channel measurements in an office environment 査読

J Takada, F Ohkubo, K Haneda, T Kobayashi

2005 IEEE International Conference on Ultra-Wideband (ICU)   7 - 10   2005年

BER measurements on a handset adaptive antenna array in the presence of Co-channel interference generated using a spatial fading emulator

Atsushi Yamamoto, Tsutomu Sakata, Hiroshi Iwai, Koichi Ogawa, Jun-Ichi Takada, Kei Sakaguch, Kiyomichi Araki

IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)   4   26 - 29   2005年

Microcell urban propagation channel analysis using measurement data 査読

Mir Ghoraishi, Jun-Ichi Takada, Tetsuro Imai

IEEE Vehicular Technology Conference   3   1728 - 1731   2005年

A handset adaptive array antenna for the reduction of multipath Co-channel interference in a realistic talking situation 査読

Koichi Ogawa, Atsushi Yamamoto, Jun-Ichi Takada

IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)   1   327 - 330   2005年

RMS delay spread estimation of ground reflection channel for UWB communications 査読

Suchada Tanchotikul, Pichaya Supannakoon, Sathaporn Promwong, Jun-Ichi Takada

ISCIT 2005 - International Symposium on Communications and Information Technologies 2005, Proceedings   I   1080 - 1083   2005年

Characterization of in-home UWB channel with different antenna directivity 査読

M Chamchoy, S Promwong, P Tangtisanon, J Takada

TENCON 2004 - 2004 IEEE REGION 10 CONFERENCE, VOLS A-D, PROCEEDINGS   C129 - C132   2004年

An adaptive impedance matching system and its application to mobile antennas

Ichirou Ida, Jun-Ichi Takada, Takeshi Toda, Yasuyuki Oishi

IEEE Region 10 Annual International Conference, Proceedings/TENCON   C   C543 - C546   2004年

An adaptive impedance matching system and considerations for a better performance

Ichirou Ida, Jun-Ichi Takada, Takeshi Toda, Yasuyuki Oishi

2004 Joint Conference of the 10th Asia-Pacific Conference on Communications and the 5th International Symposium on Multi-Dimensional Mobile Communications Proceedings, APCC/MDMC'04   2   563 - 567   2004年

Six-port direct conversion receiver: Novel calibration for multi-port nonlinear circuits

Honda, A., Sakaguchi, K., Takada, J.-I., Araki, K.

IEICE Transactions on Electronics   E87-C ( 9 )   2004年

Novel spatial fading simulator using cavity-excited circular array (CECA) 査読

Chulgyun Park, Jun Ichi Takada, Kei Sakaguchi, Takashi Ohira

Proceedings of 2004 International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2004   679 - 684   2004年

ACU and RSM based radio spectrum management for realization of flexible software defined radio world 査読

K Sakaguchi, CF Lam, TD Doan, M Togooch, J Takada, K Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   E86B ( 12 )   3417 - 3424   2003年12月

A study of nonlinearity calibration for six-port direct conversion receivers 査読

A Honda, K Sakaguchi, J Takada, K Araki

2003 IEEE TOPICAL CONFERENCE ON WIRELESS COMMUNICATION TECHNOLOGY   40 - 41   2003年

Incorporation of RF-adaptive array antenna into MIMO receivers 査読

Yuuta Nakaya, Takeshi Toda, Shinsuke Hara, Jun-Ichi Takada, Yasuyuki Oishi

2003 IEEE Topical Conference on Wireless Communication Technology   297 - 298   2003年

ICA Based Blind Source Separation Applied to Radio Surveillance

Carlos, E., Takada, J.-I.

IEICE Transactions on Communications   E86-B ( 12 )   2003年

A new technique of reduction of MEI coefficient computation time for scattering problems

Chowdhury, N.M.A., Takada, J.-I., Hirose, M.

IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences   E86-A ( 4 )   2003年

Performance of MUSIC and ESPRIT for joint estimation of DOA and angular spread in slow fading environment 査読

JS Jeong, K Sakaguchi, J Takada, K Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   E85B ( 5 )   972 - 977   2002年5月

Platform for visualization and analysis of multi-dimensional propagation parameters

Ting See Ho, Kei Sakaguchi, Jun-Ichi Takada, Kiyomichi Araki

IEEE Vehicular Technology Conference   56 ( 1 )   294 - 298   2002年

Magnetic noise compensation using FIR model parameter estimation method

Inaba, T., Shima, A., Konishi, M., Yanagisawa, H., Takada, J.-I., Araki, K.

Electronics and Communications in Japan Part III Fundamental Electronic Science English Translation of Denshi Tsushin Gakkai Ronbunshi   85 ( 3 )   2002年

A study on direction-of-arrival estimation methods using cosθ amplitude response antenna

Inaba, T., Takada, J.-I., Araki, K., Sakamoto, T., Yanagisawa, H.

Electronics and Communications in Japan Part I Communications English Translation of Denshi Tsushin Gakkai Ronbunshi   85 ( 10 )   2002年

Magnetic dipole signal detection and localization using subspace method

Inaba, T., Shima, A., Konishi, M., Yanagisawa, H., Takada, J.-I., Araki, K.

Electronics and Communications in Japan Part III Fundamental Electronic Science English Translation of Denshi Tsushin Gakkai Ronbunshi   85 ( 5 )   2002年

A random-phase-assisted ray-tracing code for wireless channel modeling

Houtao Zhu, Jun-Ichi Takada, Kiyomichi Araki, Takehiko Kobayashi

Applied Computational Electromagnetics Society Newsletter   16 ( 1 )   69 - 78   2001年3月

Development of high resolution MIMO channel sounder for the advanced modeling of wireless channels 査読

J Takada, K Sakaguchi, K Araki

APMC 2001: ASIA-PACIFIC MICROWAVE CONFERENCE, VOLS 1-3, PROCEEDINGS   563 - 568   2001年

The verification of a deterministic spatio-temporal channel modeling approach by applying a deconvolution technique in the measurement 査読