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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| IN, NS (Joint) |
2019-03-05 13:30 |
Okinawa | Okinawa Convention Center | A Study on Performance Evaluation of MIMO Channel with Multilevel Spreading Codes Tatsuya Motoki, Miyuki Hirose, Takehiko Kobayashi (Tokyo Denki Univ.)  IN2018-135 |
To suppress the noise enhancement, a new spread spectrum communication system with Gold code had studied in our previous... [more] | IN2018-135 pp.307-312 |
| WBS, ITS, RCC | 2018-12-06 16:35 |
Okinawa | Miyako Island Hirara Port Terminal Bldg. | [Invited Talk]
Why Ultra Wideband High-Speed WPAN Failed Takehiko Kobayashi (Tokyo Denki Univ.) WBS2018-57 ITS2018-40 RCC2018-88 |
[more] | WBS2018-57 ITS2018-40 RCC2018-88 pp.165-168 |
| WBS, ITS, RCC | 2018-12-06 17:20 |
Okinawa | Miyako Island Hirara Port Terminal Bldg. | [Invited Talk]
Recent Trends on UWB Regulation and Standardization Huan-Bang Li (NICT), Takehiko Kobayashi (Tokyo Denki University) WBS2018-58 ITS2018-41 RCC2018-89 |
Because of its high throughput potentiality on short-range communications as well as inherent superiority of high precis... [more] | WBS2018-58 ITS2018-41 RCC2018-89 pp.169-174 |
| AP, SANE, SAT (Joint) |
2018-07-20 16:30 |
Hokkaido | Hokkaido Univ. | Measurements of UWB Band-9 Radio Propagation within Various Closed/Semi-Closed Spaces Ayumu Minegishi, Miyuki Hirose, Takehiko Kobayashi (TDU) AP2018-66 SAT2018-27 |
The Japanese Government started studying deregulation of outdoor use of ultra wideband (UWB) devices, which has been con... [more] | AP2018-66 SAT2018-27 pp.143-148(AP), pp.95-100(SAT) |
| WBS, IT, ISEC | 2018-03-09 13:55 |
Tokyo | Katsusika Campas, Tokyo University of Science | Influence of Channel Estimation Error on Noise Enhancement Suppression by Using Novel Multilevel Spreading Codes Tatsuya Motoki, Takehiko Kobayashi (Tokyo Denki Univ.) IT2017-146 ISEC2017-134 WBS2017-127 |
Zero-forcing frequency-domain equalization (ZF-FDE) has been used to combat frequency selective fading caused by multipa... [more] | IT2017-146 ISEC2017-134 WBS2017-127 pp.259-264 |
| AP (2nd) |
2017-10-24 14:55 |
Ibaraki | AIST Tsukuba Central, Auditorium | Automatic Determination of Antenna Phase Center Using the Bisection Method and its Application to Gain Measurements Yuzo Tamaki, Takehiko Kobayashi (Tokyo Denki Univ.), Atsushi Tomiki (JAXA) |
The three-antenna method is widely applied to determine the antenna gain. The distance between the antenna open ends is ... [more] | |
| SANE | 2016-06-24 10:45 |
Ibaraki | Tsukuba Space Center, JAXA | Gain Measurement of Onboard Antennas for PROCYON with a 3-Antenna Method Yuzo Tamaki, Takehiko Kobayashi (TDU), Atsushi Tomiki (JAXA) SANE2016-11 |
Precise determination of antenna phase centers is crucial to reduce the gain uncertainty in the three-antenna method, pa... [more] | SANE2016-11 pp.7-11 |
| SANE | 2015-05-29 13:20 |
Kanagawa | JAXA Sagamihara Campus | Measurements of Microwave Shielding Effectiveness of Structural Materials Used for Space Infrared Telescope for Cosmology and Astrophysics (No.2) Yuya Mori (Tokyo Denki Univ.), Atsushi Tomiki (JAXA), Takehiko Kobayashi (Tokyo Denki Univ.), Yasuhiro Murata, Hideo Matsuhara, Takao Nakagawa (JAXA), Ken Tahara (Kead) SANE2015-10 |
Space Infrared Telescope for Cosmology and Astrophysics (SPICA) is an infrared (IR) astronomical satellite planned to be... [more] | SANE2015-10 pp.23-28 |
| RCC | 2014-11-20 15:50 |
Tokyo | JAIST Tokyo satellite | Highly Reliable UWB-OFDM Wireless Transmission within an Ultra-Small Spacecraft Tsubasa Matsushita (Tokyo Denki Univ./JAXA), Atsushi Tomiki (JAXA), Takehiko Kobayashi (Tokyo Denki Univ.) RCC2014-64 |
This report described measurements and characterization of ultra-wideband (UWB) radio propagation within a small scienti... [more] | RCC2014-64 pp.55-60 |
| SANE | 2014-10-23 10:00 |
Overseas | Ramada Plaza Melaka, Malacca, Malaysia | Numerical and Experimental Evaluation of Localization Methods in a UWB MIMO Radar Shohei Seki, Idnin Pasya, Takehiko Kobayashi (Tokyo Denki Univ.) SANE2014-79 |
For realizing high accuracy localization in multiple-input multiple-output (MIMO) radars, it is necessary to optimize an... [more] | SANE2014-79 pp.83-88 |
| MW, OPE, EMT, MWP, EST, IEE-EMT [detail] | 2014-07-18 14:15 |
Hokkaido | Muroran Inst. of Tech. | Classification of acrylonitrile-butadiene-styrene and polypropylene by a microwave cavity perturbation method Yuya Mori, Takehiko Kobayashi (Tokyo Denki Univ), Ken Tahara (Kead) MW2014-83 OPE2014-52 EST2014-44 MWP2014-41 |
When recycling used plastics, it is often necessary to classify species of plastics from mixed scraps. Particularly, it ... [more] | MW2014-83 OPE2014-52 EST2014-44 MWP2014-41 pp.209-214 |
| AP | 2014-05-30 10:45 |
Okinawa | Okinawa Industory Support Center | A Reconfigurable Antenna Using Discharge Tubes Takaki Yamamoto, Takehiko Kobayashi (Tokyo Denki Univ.) AP2014-31 |
Plasma in a discharge tube, such as a fluorescent lamp, conduct electric current below a plasma frequency determined by ... [more] | AP2014-31 pp.67-70 |
| SANE | 2014-05-23 16:00 |
Kanagawa | JAXA Sagamihara Campus | Measurements of Microwave Shielding Effectiveness of Structural Materials Used for Space Infrared Telescope for Cosmology and Astrophysics (SPICA) Yuya Mori (Tokyo Denki Univ), Atsushi Tomiki (JAXA), Takehiko Kobayashi (Tokyo Denki Univ), Yasuhiro Murata, Hideo Matsuhara, Takao Nakagawa (JAXA), Ken Tahara (Kead) SANE2014-19 |
Space Infrared Telescope for Cosmology and Astrophysics (SPICA) is an infrared IR astronomical satellite to be launched ... [more] | SANE2014-19 pp.51-56 |
| SANE | 2013-12-02 13:00 |
Overseas | VAST/VNSC(2nd Dec.) & Melia Hotel (3rd Dec), Hanoi, Vietnam | Experimental Evaluation of a Radar Altimeter for an Unmanned Aerial Vehicle Cruising in the Mars' Atmosphere Sho Yonemura (Tokyo Denki Univ.), Atsushi Tomiki, Tomoaki Toda (JAXA), Takehiko Kobayashi (Tokyo Denki Univ.) SANE2013-77 |
The JAXA has planned a light airplane ejected from a Mars orbiter for observing the residual magnetic fields near the su... [more] | SANE2013-77 pp.35-40 |
| EMCJ | 2013-11-22 16:40 |
Tokyo | Tokyo Denki Univ. | [Special Talk]
Intentional EMI (IEMI) and its Countermeasures Takehiko Kobayashi (Tokyo Denki Uni.) EMCJ2013-99 |
Our society is becoming much more dependent on electrical and electrronic systems for its functions. In particular, dep... [more] | EMCJ2013-99 p.47 |
| WBS | 2013-10-31 14:30 |
Kagoshima | Dependence of On-Body Propagation Channels on Bandwidths Considering Surrounding Environments Miyuki Hirose, Takehiko Kobayashi (Tokyo Denki Univ.) WBS2013-24 |
The authors have focused on wideband, including Ultra-wideband (UWB, 3.1 to 10.6 GHz), radio propagation in various envi... [more] | WBS2013-24 pp.19-24 |
|
| WBS, MICT (Joint) |
2013-07-09 13:00 |
Kochi | [Poster Presentation]
Stochastic Modeling of Ultra Wideband Propagation Channels within a Small Spacecraft for Replacing Onboard Data Busses with Wireless Connections Miyuki Hirose (Tokyo Denki Univ.), Atsushi Tomiki, Tomoaki Toda (JAXA), Takehiko Kobayashi (Tokyo Denki Univ./JAXA) WBS2013-14 |
Ultra wideband (UWB) propagation was measured and characterized within spacecrafts, with a view to partly replacing onbo... [more] | WBS2013-14 pp.5-10 |
|
| SANE | 2013-04-25 14:55 |
Nagano | Usuda Deep Space Center, JAXA | Feasibility study of a radar altimeter for an airplane cruising in the mars' atmosphere Sho Yonemura (Tokyo Denki Univ.), Atsushi Tomiki, Tomoaki Toda (JAXA), Takehiko Kobayashi (Tokyo Denki Univ.) SANE2013-5 |
This report presents a preliminary study of the radar altimeter for an airplane cruising in the Mars’ atmosphere. Furthe... [more] | SANE2013-5 pp.23-28 |
| EMCJ, IEE-EMC | 2012-12-14 11:00 |
Gifu | Gifu Univ. | Electric Field Strength Estimation Near Half-wavelength Dipole Antennas Based on Wave Impedance Masaru Nakayama, Takehiko Kobayashi (Tokyo Denki Univ.) EMCJ2012-90 |
[more] | EMCJ2012-90 pp.31-36 |
| ITS, WBS (Joint) |
2012-11-26 14:45 |
Kumamoto | Kumamoto Univ. | [Poster Presentation]
Statistical Models of On-Body Ultra-Wideband Propagation Channels Considering Room Volume Miyuki Hirose, Takehiko Kobayashi (Tokyo Denki Univ.) WBS2012-38 |
This paper presents the result of a statistical modeling of on-body ultra wideband (UWB) radio channels for wireless bod... [more] | WBS2012-38 pp.9-14 |
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