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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, SAT (Joint) |
2008-07-23 14:50 |
Hokkaido | Hokkaido University | Proposal and Basic Studey of an Electromagnetically Fed Planar-Type Yagi-Uda Sector Antenna Kyoichi Iigusa, Hiroshi Harada, Shuzo Kato (NICT)  AP2008-46 |
We propose planar-type antenna that is made of stacked Yagi-Uda antennas in different directions. Each dipole is loaded ... [more] | AP2008-46 pp.57-62 |
| AP | 2007-10-18 14:25 |
Aomori | Hirosaki Univ. | Proposal and Basic Study of Yagi-Uda Sector Antenna Using Electrically Invisible Dipole Kyoichi Iigusa, Hiroshi Harada, Shuzo Kato (NICT) AP2007-89 |
[more] | AP2007-89 pp.15-20 |
| AP | 2007-09-06 13:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Proposal of Bend Slots Planar Antenna Beam-Steerable in Whole Azimuth Direction and Its Basic Study Kyoichi Iigusa, Hiroshi Harada, Shuzo Kato (NICT) AP2007-82 |
[more] | AP2007-82 pp.49-54 |
| AP | 2007-05-18 14:15 |
Kochi | Kochi Univ. of Tech. | Proposal of Radio Wave Shutter Using Electrically Invisible Dipoles and Basic Study on Its Transparent and Shield Performance Kyoichi Iigusa (NICT/Tokyo Inst.of Techn.), Hiroshi Harada, Shuzo Kato (NICT), Jiro Hirokawa, Makoto Ando (TIT) AP2007-27 |
We propose a radio-wave shutter, which can switch electronically transparent state and shield state, using the mechanism... [more] | AP2007-27 pp.81-86 |
| RCS, MoNA, WBS, SR, MW (Joint) |
2007-03-07 13:20 |
Kanagawa | YRP | Research and development on radio equipment for cognitive wireless cloud
-- Hardware platform:Multiband antenna part -- Shinsuke Murano, Toshiyuki Horikoshi, Masahiko Kobayashi (Hitachi Cable), Hiroshi Harada, Kyoichi Iigusa (NICT) SR2006-75 |
We developed the multiband antenna for cognitive wireless. The element for Digital television, for 2GHz cellular phone, ... [more] | SR2006-75 pp.59-66 |
| RCS, MoNA, WBS, SR, MW (Joint) |
2007-03-09 16:50 |
Kanagawa | YRP | Research and Standardization activty for IEEE802.15.3c mmW WPAN
-- (6) Antenna -- Ichihiko Toyoda (NTT), Makoto Ando (TIT), Kyoichi Iigusa, Hirokazu Sawada (NICT), Kenichi Maruhashi, Naoyuki Orihashi (NEC), Tomohiro Seki (NTT), Seiji Nishi (OKI), Shoichi Kitazawa, Amane Miura (ATR), Yoshitsugu Fujita, Hiroshi Uchimura (KYOCERA), Tsukasa Yoneyama (MMEX), Jiro Hirokawa, Yasutake Hirachi (TIT) RCS2006-283 |
The IEEE 802.15.3 Task Group 3c (TG3c) is developing a millimeter-wave-based alternative physical layer (PHY) for the ex... [more] | RCS2006-283 pp.195-198 |
| AP | 2007-01-25 13:25 |
Fukui | Fukui Univ. | Proposal of Row Profile Slot Array Antennas Beam-Steerable In the Horizontal Plane and Basic Study Kyoichi Iigusa, Hiroshi Harada, Shuzo Kato (NICT) AP2006-115 |
We propose a planar antenna that can steer a horizontally polarized beam in the horizontal plane when its planar plane i... [more] | AP2006-115 pp.31-36 |
| AP | 2006-12-14 10:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Proposal of Reactively Loaded Inverted F Antenna for Cognitive Wireless Communication and Basic Study on its Tuning Impedance Matching Frequency Kyoichi Iigusa, Hiroshi Harada (NICT) AP2006-100 |
To apply for a cognitive wireless communication, we propose a frequency-band-tunable compact antenna. We employ inverted... [more] | AP2006-100 pp.23-28 |
| AP | 2006-10-20 15:15 |
Kyoto | Kyoto Univ. (Katsura Campus) | Proposal of Reactively Loaded Slot Array Antenna and Basic Study on its Beam Steering Ability Kyoichi Iigusa, Hiroshi Harada (NICT) AP2006-94 |
We propose a variable directivity antenna composed with a feed slot and reactively loaded slots on its both side. The sl... [more] | AP2006-94 pp.101-106 |
| AP | 2006-08-24 11:10 |
Niigata | Toki Messe(Niigata) | Rake Shape Antenna for Angle Diversity by Reactance Control
-- Proposal and Study of Low Profile Vertically Polarized Veriable Antenna -- Kyoichi Iigusa, Katsuyoshi Sato, Hiroshi Harada (NICT) AP2006-61 |
We propose a vertically-polarized low profile antenna which can be used for angle diversity by reactance control. For ea... [more] | AP2006-61 pp.23-28 |
| SR | 2006-07-27 14:00 |
Kanagawa | YRP | [Technology Exhibit]
Research and Development on Cognitive Wireless Communication System Hiroshi Harada, Kentaro Ishizu, Mikio Hasegawa, Kyoichi Iigusa, Ryuhei Funada, Hiroyuki Tsuji, Masahiro Kuroda (NICT) SR2006-31 |
[more] | SR2006-31 pp.119-126 |
| RCS, AP, WBS, SR, MW, MoNA (Joint) |
2006-03-01 10:00 |
Kanagawa | YRP | A Smart Electronically Steerable Parasitic Array Radiator Antenna Kyoichi Iigusa, Katsuyoshi Sato, Masayuki Fujise (NICT) |
We propose an Electronically Steerable Parasitic Array Radiator antenna with an array radius of 0.05 wave length. It is ... [more] | AP2005-175 pp.19-24 |
| AP | 2005-09-08 11:45 |
Aichi | TOYOTA CENTRAL R&D LABS., INC. | Calculation and Experiment of Radio Wave Permeable Characteristic of Meander-Lines Arranged Film Kyoichi Iigusa, Katsuyoshi Sato, Masayuki Fujise (NICT) |
It is verified that a meander-line arranged film permeates radio wave frequency-selectively whereas a meander-line is sh... [more] | AP2005-70 pp.31-36 |
| AP, SAT (Joint) |
2005-07-20 11:20 |
Hokkaido | Hotel Taisetsu | Formulation of Communication Using Single Feed Antennas Loaded with Variable Reactors and Extraction of Propagation Parameter Kyoichi Iigusa, Katsuyoshi Sato, Fumihide Kojima, Masayuki Fujise (NICT) |
A communication by using a singe fed antenna whose directivity can be varied by the loaded variable reactors is proposed... [more] | AP2005-38 pp.9-14 |
| AP, SAT (Joint) |
2005-05-19 13:50 |
Tottori | Tottori Univ. of Environmental Studies | Experimental Verification of Electrical Invisible Dipole Loaded with a Reactor and Applications of Electrical Invisible Transformation Using a Distributed Constant Line Kyouichi Iigusa, Takuma Sawaya, Qing Han, Takashi Ohira, Makoto Taromaru (ATR WEL) |
It is verified that a dipole becomes electrically invisible when it is loaded with a certain positive reactor, by measur... [more] | AP2005-16 pp.41-46 |
| RCS, AP, WBS, MW, MoNA | 2005-03-02 13:50 |
Kanagawa | Yokosuka Research Park | Broadening the Bandwidth of the Planar ESPAR Antenna Using Parasitic Elements with Multiple Varactor Diodes Makoto Yamamoto, Kyouichi Iigusa, Takuma Sawaya, Makoto Taromaru, Takashi Ohira (ATR) |
The service of terrestrial digital broadcasting started, and it expanded the possibility of indoor reception. We have ap... [more] | WBS2004-67 AP2004-248 RCS2004-335 MoMuC2004-118 MW2004-245 pp.67-70 |
| RCS, AP, WBS, MW, MoNA | 2005-03-04 16:10 |
Kanagawa | Yokosuka Research Park | An Application of Reactance Diversity Technique to The Mobile Terminal Antenna of DSRC Consecutive Radio-zones Configuration Takuma Sawaya, Makoto Taromaru, Kyouichi Iigusa, Takashi Ohira (ATR), Yoshiharu Okamoto (NICT) |
In this paper we describe an experimental study of the DSRC consecutive radio zone with the reactance diversity receptio... [more] | WBS2004-161 AP2004-342 RCS2004-429 MoMuC2004-212 MW2004-339 pp.233-238 |
| AP | 2005-01-21 09:00 |
Saga | Saga University | RF- and DC-line Share Ring Frequency Controllable Antenna Kyouichi Iigusa, Makoto Yamamoto, Takuma Sawaya, Kouji Kato, Makoto Taromaru, Takashi Ohira (ATR-WEL) |
RF- and DC- line Share Ring Frequency Controllable Antenna (ShRiquen antenna) is proposed, where anti-series variable di... [more] | AP2004-210 pp.1-6 |
| RCS, AP | 2004-10-29 09:30 |
Niigata | Niigata University | Effectively use of two freedoms as for reactance diversity of 3-element ESPAR antenna Kyouichi Iigusa, Takuma Sawaya, Makoto Yamamoto, Makoto Taromaru, Takashi Ohira (ATR) |
In the case of 3-element ESPAR antenna, impedance matching is kept while reactance (reactance) diversity controlling by ... [more] | AP2004-153 RCS2004-174 pp.1-6 |
| RCS, AP | 2004-10-29 09:55 |
Niigata | Niigata University | Reactance Value Optimization of Two- and Three-Element ESPAR Antennas in Consideration of Diversity Performance and Impedance Matching Koji Kato, Kyouichi Iigusa, Makoto Taromaru, Takashi Ohira (ATR) |
[more] | AP2004-154 RCS2004-175 pp.7-12 |
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