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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP (2nd) |
2018-05-30 09:30 |
Overseas | The University of Da nang, University of Science and Technology | Dual-band reflector backed dipole antenna loading choke equipped meander-loop parasitic elements Mamoru Yamaguchi, Keizo Cho (Chiba Inst. of Tech.), Tatsuhiko Yoshihara, Taisuke Ihara (NTT DOCOMO) |
We have reported a base station antenna configuration that can expand the operating bandwidth of a reflector backed dipo... [more] | |
| AP | 2018-04-19 14:25 |
Tokyo | Hachijomachi-Shokokai | Expanding lower side operating frequency of microstrip antenna using double layaer parasitic elements Keizo Cho, Takashi Maki, Takuma Asano (Chiba Inst. of Tech.), Tatsuhiko Yoshihara, Taisuke Ihara (NTT DOCOMO)  AP2018-2 |
[more] | AP2018-2 pp.7-12 |
| AP (2nd) |
2017-06-28 - 2017-06-30 |
Hokkaido | Hokkaido University | [Poster Presentation]
Effectiveness of Applying Folded Meander Loop Parasitic Elements to Enlarge Operating Frequency Band of Dual Polarized Reflector Backed Dipole Antenna. Mamoru Yamaguchi, Keizo Cho (CIT), Tatsuhiko Yoshihara, Taisuke Ihara (NTT DOCOMO) |
This paper proposes a reflector backed dipole antenna equipping folded meander loop parasitic elements which can enlarge... [more] | |
| AP (2nd) |
2016-02-29 15:25 |
Overseas | Telecommunications University, Nha Trang, Vietnam | Prototype evaluation of Reflector Backed Dipole antenna with Folded Loop-shaped Parasitic Elements Takayoshi Sasaki, Keizo Cho (Chiba Inst. of Tech.), Tatsuhiko Yoshihara, Taisuke Ihara (NTT DOCOMO) |
It has been reported that loading the Loop-shaped Parasitic Element can expand the operating frequency band of the Refle... [more] | |
| AP, RCS, WPT, SAT (Joint) |
2015-11-05 15:00 |
Okinawa | Okinawa Prefectural Museum & Art Museum | Effect by Folded Loop Elements for Reflector Backed Dipole Antenna Using Loop Parasitic Elements Takayoshi Sasaki, Keizo Cho (Chiba Inst. of Tech.), Taisuke Ihara, Tatsuhiko Yoshihara (NTT DOCOMO) AP2015-140 |
It has been reported that loading the Loop-shaped Parasitic Element can expand the operating frequency band of the Refle... [more] | AP2015-140 pp.173-178 |
| AP | 2015-01-23 13:55 |
Ehime | Ehime University | Bandwidth Enlargement of Reflector Backed Dipole Antenna Using Loop Parasitic Elements Takayoshi Sasaki, Keizo Cho (Chiba Inst. of Tech.), Taisuke Ihara, Tatsuhiko Yoshihara (NTT DOCOMO) AP2014-181 |
[more] | AP2014-181 pp.115-120 |
| AP | 2014-06-12 15:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | System Capacity Improvement by Application of Small Cell Antenna Vertical Tilt Sho Yoshida, Tatsuhiko Yoshihara, Hiroyuki Kawai, Taisuke Ihara, Takahiro Takiguchi, Kengo Yagyu (NTT DOCOMO) AP2014-47 |
Recently, introduction of small cells with lower transmission power in hotspots within macro cells is being studied as a... [more] | AP2014-47 pp.41-46 |
| RCS, AP (Joint) |
2013-11-22 13:00 |
Shimane | Matsue Terrsa | [Tutorial Lecture]
Current Status of the Development of Base Station Antenna for Mobile Communication System Taisuke Ihara, Hiroyuki Kawai, Tatsuhiko Yoshihara, Sho Yoshida (NTT DOCOMO) AP2013-122 RCS2013-200 |
This paper explains the details of the Japan’s first base station antenna that is compatible with five frequency bands a... [more] | AP2013-122 RCS2013-200 pp.127-132(AP), pp.153-158(RCS) |
| WBS, IT, ISEC | 2009-03-10 11:40 |
Hokkaido | Hakodate Mirai Univ. | Proposal of MIMO-SDM System considering Correlation of Channels Tatsuhiko Yoshihara, Masayuki Yoshida, Fumiaki Maehara, Fumio Takahata (Waseda Univ.), Takashi Onodera (Sharp Corp.) IT2008-120 ISEC2008-178 WBS2008-133 |
A MIMO-OFDM-SDM system, which provides good transmission quality irrespective of various condition of propagation channe... [more] | IT2008-120 ISEC2008-178 WBS2008-133 pp.501-506 |
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