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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MoNA, IN (Joint) |
2009-11-12 09:40 |
Fukuoka | Fukuoka Institute of Technology | Case Studies of Failures and Errors in Mobile Multimedia Services Yusuke Sekiwa, Takehiko Kobayashi (Tokyo Denki Univ.)  MoMuC2009-40 |
Notable technological progress and market expansion has been achieved in mobile multimedia services, such as mobile inte... [more] | MoMuC2009-40 pp.7-12 |
| SANE | 2009-11-03 14:50 |
Overseas | Fudan University (Shanghai) | Stochastic Modeling of Phase Noise for Deep Space Communication Systems Naohiko Iwakiri (Tokyo Denki Univ.), Atsushi Tomiki, Tomoaki Toda (JAXA), Takehiko Kobayashi (Tokyo Denki Univ.) SANE2009-110 |
(To be available after the conference date) [more] | SANE2009-110 pp.153-158 |
| WBS | 2009-10-16 13:00 |
Osaka | [Poster Presentation]
Dependence of Ultra-Wideband Peak Power Measurements on Makes of Microwave Spectrum Analyzers Akio Yokokawa (Tokyo Denki Univ.), Atsushi Tomiki (JAXA), Takehiko Kobayashi (Tokyo Denki Univ.) WBS2009-29 |
Spectrum analyzers (SAs) are usually used to measure average and peak power spectra of ultra wideband (UWB) signals. Whe... [more] | WBS2009-29 pp.25-30 |
|
| WBS | 2009-10-16 13:00 |
Osaka | [Poster Presentation]
Development of an Ultra-Wideband Short-Range Radar at Ka-Band Suppressing Carrier Leakage Hironori Enkouji, Takehiko Nishide, Natsuki Hashimoto, Takehiko Kobayashi (Tokyo Denki Univ.) WBS2009-30 |
Modulated impulse radars have been most commonly used for Ka-band ultra-wideband (UWB) short-range vehicular application... [more] | WBS2009-30 pp.31-36 |
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| SANE | 2009-08-28 11:45 |
Kanagawa | JAXA Sagamihara campus | Experimental Evaluation of Ultra Wideband Radio Propagation in Spacecrafts for Applying Wireless Technologies to Interface Buses Akihisa Matsubara, Tatsuya Ichikawa (Tokyo Denki Univ./JAXA), Atsushi Tomiki, Tomoaki Toda (JAXA), Takehiko Kobayashi (Tokyo Denki Univ./JAXA) SANE2009-54 |
Ultra wideband (UWB) propagation was measured and characterized within spacecrafts, with a view to partly replacing onbo... [more] | SANE2009-54 pp.9-14 |
| SANE | 2009-08-28 13:10 |
Kanagawa | JAXA Sagamihara campus | Low Phase Noise Ka-Band Coherent Transmission Function Added to X-Band Deep Space Digital Transponder Daichi Hirahara, Atsushi Tomiki, Tomoaki Toda (JAXA), Tatsuya Ichikawa, Takehiko Kobayashi (Tokyo Denki Univ.) SANE2009-55 |
A Ka-band coherent transmission function has been prototyped to be added to an existing X-band deep space digital transp... [more] | SANE2009-55 pp.15-20 |
| WBS | 2009-07-24 14:00 |
Shizuoka | Shizuoka Univ. | Background and Approaches to "Review and Research of Ultra Wideband Wireless Technologies for Communication Usage in the Microwave Band" Takehiko Kobayashi (TDU) WBS2009-18 |
This report describes the background and approaches to “Review and Research of Ultra Wideband Wireless Technologies for ... [more] | WBS2009-18 pp.67-68 |
| WBS, IT, ISEC | 2009-03-09 16:45 |
Hokkaido | Hakodate Mirai Univ. | a prototype of ultra wideband spatio-temporal channel sounder and its performance evaluation Hiroto Iiduka, Masaki Takahashi, Naohiko Iwakiri, Takehiko Kobayashi (Tokyo Denki Univ.) IT2008-76 ISEC2008-134 WBS2008-89 |
Ultra wideband (UWB) spatio-temporal propagation measurements have been carried out mostly using virtual array antennas ... [more] | IT2008-76 ISEC2008-134 WBS2008-89 pp.205-210 |
| USN, MoNA (Joint) |
2009-01-22 10:40 |
Aichi | Nagoya Institute of Technology (Auditorium) | A Motion Simulator Capable of Rendering Terminal Mobility Based on Measurements or Estimation for Combining with Mobile Communication Network Simulators Hideki Yoshizawa, Takehiko Kobayashi (Tokyo Denki Univ.) MoMuC2008-72 |
It is important to clarify teletraffic characteristics for planning, designing, and operating mobile communication netwo... [more] | MoMuC2008-72 pp.13-18 |
| WBS, ITS (Joint) |
2008-12-11 15:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
Review of Radio Propagation of Ultra Wideband Signals and Their Electromagnetic Compatibility with Incumbent Narrowband Systems
-- In Commemoration of the 2008 IEICE Achivement Award -- Takehiko Kobayashi (Tokyo Denki Univ.), Jun-ichi Takada (Tokyo Inst. of Tech) WBS2008-49 |
Being indebted to numerous individuals and institutions, the authors were granted the IEICE Achievement Award in May 200... [more] | WBS2008-49 pp.19-24 |
| WBS, ITS (Joint) |
2008-12-12 10:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Simulation of Interference Effects of UWB Systems on a Narrowband QPSK Digital Transmission System in Fading Environments Yosuke Iuchi (Tokyo Denki Univ.), Atsushi Tomiki (Japan Aerospace Exploration Agency), Takehiko Kobayashi (Tokyo Denki Univ.) WBS2008-52 |
This paper presents the simulated interference effects from multiband orthogonal frequency division multiplexing (MB-OFD... [more] | WBS2008-52 pp.37-42 |
| SANE | 2008-11-24 14:20 |
Overseas | Ba-Da-Guan Hotel, Qingdao | Inter-Satellite Ranging System for Multiple Spacecrafts in Formation Flight and Its Experimental Evaluation Hiroshi Baba (Tokyo Denki Univ.), Tomoaki Toda, Atsushi Tomiki (Japan Aerospace Exploration Agency), Hideho Tomita (HIM Technology), Takehiko Kobayashi (Tokyo Denki Univ.) SANE2008-65 |
Scale COupling in the Plasma universE (SCOPE) is a formation flight mission ongoing in Japan Aerospace Exploration Agenc... [more] | SANE2008-65 pp.13-18 |
| SANE | 2008-10-31 13:25 |
Kanagawa | ISAS:Sagamihara campus (JAXA) | Measurements and Characterization of Ultra Wideband Propagation channels in a Satellite structure Tatsuya Ichikawa (TDU), Atsushi Tomiki, Tomoaki Toda, Hirobumi Saito (JAXA), Takehiko Kobayashi (TDU) SANE2008-54 |
Ultra wideband (UWB) signal propagation was measured and characterized in comparison with narrowband inside a typical so... [more] | SANE2008-54 pp.7-13 |
| SANE | 2008-10-31 16:40 |
Kanagawa | ISAS:Sagamihara campus (JAXA) | Inter-Satellite Ranging System for Multiple Spacecrafts in Formation Flight and and It's Experimental Evaluation Hiroshi Baba (Tokyo Denki Univ), Tomoaki Toda, Atsushi Tomiki (JAXA), Hideho Tomita (HIM Technology), Takehiko Kobayashi (Tokyo Denki Univ) SANE2008-60 |
Scale COupling in the Plasma universE (SCOPE) is a formation flight mission ongoing in Japan Aerospace Exploration Agenc... [more] | SANE2008-60 pp.41-46 |
| AP, SAT (Joint) |
2007-07-20 15:40 |
Hokkaido | Daiichi-Takimotokan(Noboribetsu) | Comparison of methods for estimation of AOA/AOD azimuthal and elevation of a UWB MIMO channel Masaki Takahashi, Naohiko Iwakiri, Takehiko Kobayashi (Tokyo Denki Univ) AP2007-70 |
This report made a comparison of three methods for bidirectional parameter estimation of ultra wideband multiple-input m... [more] | AP2007-70 pp.157-162 |
| AP, SAT (Joint) |
2007-07-20 16:00 |
Hokkaido | Daiichi-Takimotokan(Noboribetsu) | Ultra-Wideband Channel Estimation Using a Signal Model Based on Measurements Naohiko Iwakiri, Takehiko Kobayashi (Tokyo Denki Univ.) AP2007-71 |
This paper presents an ultra wideband (UWB) channel sounding scheme with a technique for estimating time of arrival (TOA... [more] | AP2007-71 pp.163-168 |
| DE | 2007-07-03 12:10 |
Miyagi | Akiu hot springs (Sendai) | A Proposal of Making RIA by using SuperSQL Takehiko Kobayashi, Motomichi Toyama (Keio Univ.) DE2007-72 |
This paper proposes the way to make Rich Internet Application by using SuperSQL. Now a days, there are many web applica... [more] |
DE2007-72 pp.303-308 |
| IT, ISEC, WBS | 2007-03-15 10:20 |
Gunma | Gunma Univ. (Kiryu Campus) | Experimental Validation of Simulated Interference Effects from UWB Systems to a QPSK Digital Transmission System Atsushi Tomiki, Takehiko Kobayashi (TDU) |
The paper experimentally validates the simulated interference effects from multiband orthogonal frequency division multi... [more] | IT2006-61 ISEC2006-116 WBS2006-58 pp.7-12 |
| MoNA | 2007-01-25 14:55 |
Hiroshima | A Mobile Communication Network Simulator Capable of Considering Terminal Mobilities Yoshihiko Uchida, Takehiko Kobayashi (TDU) MoMuC2006-67 |
[more] | MoMuC2006-67 pp.35-40 |
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| WBS | 2006-12-14 15:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | ICUWB 2006 Conferenece Report Makoto Itami (Tokyo Univ. of Science), Shigenobu Sasaki (Niigata Univ.), Tetsushi Ikegami (meiji Univ.), Takehiko Kobayashi (Tokyo Denki Univ.) |
[more] | WBS2006-43 pp.47-50 |
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