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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EE | 2018-01-30 11:35 |
Oita | Satellite Campus Oita | Optimum Design for Energy Management in Green Base Station Group Yoichiro Hakuto, Kazuhiro Kamiya, Kazuhiko Takeno (NTT DOCOMO)  EE2017-69 |
We propose operational planning methods of battery control for energy management on Green Base Stations (G-BTSs) in a wi... [more] | EE2017-69 pp.157-158 |
| EE | 2017-01-27 11:35 |
Nagasaki | Nagasaki University | A study on balancing power demand with batteries for green base stations Yuji Hosokawa, Hironobu Minowa, Kazuhiro Komiya, Kazuhiko Takeno (NTT DOCOMO) EE2016-81 |
We are studying on balancing power demand with batteries for green base stations. This paper presents a result in the de... [more] | EE2016-81 pp.175-176 |
| EE | 2016-02-26 15:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Optimal Equipmet Design and Power Generation Characteristics for Disaster Resilient Green Base Stations Kazuhiro Komiya, Masaki Nakamura, Yurie Mura, Hironobu Minowa, Kazuhiko Takeno (NTT DOCOMO) EE2015-33 |
NTT DOCOMO has been studying “green base stations’’ as a means of strengthening environmental measures and disaster resi... [more] | EE2015-33 pp.19-23 |
| EE, IEE-HCA | 2015-05-28 11:30 |
Tokyo | The Kikai Shinko Kaikan building | Operation Verification of DC power-supply system with Fuel Cell for Green BTS Takashi Furutani, Kazuhiro Komiya, Kazuhiko Takeno (NTT DOCOMO) EE2015-5 |
[more] | EE2015-5 pp.25-29 |
| ACT (2nd) |
2011-12-22 15:05 |
Okinawa | Accuracy Improvement of Base Station Antenna Gain Measurement Using Short Reference Antenna Ryo Yamaguchi, Kazuhiro Komiya (NTT DOCOMO) |
[more] | ||
| ACT (2nd) |
2011-09-02 15:55 |
Shimane | The Shimane Institute for Industrial Technology | Gain Measurement Method Considering Standing Wave by Using Synthetic Aperture Antenna Kazuhiro Komiya, Ryo Yamaguchi (NTT DOCOMO) |
[more] | |
| AP, SAT (Joint) |
2010-07-21 15:50 |
Hokkaido | Kitami Inst. Tech. | Relationship between Beamwidth of Source Antenna and Gain Deviation on Gain Measurement Method Using Numerical Compact Range Concept Kazuhiro Komiya, Ryo Yamaguchi, Keizo Cho (NTT DOCOMO) AP2010-48 |
[more] | AP2010-48 pp.59-62 |
| ACT (2nd) |
2010-07-09 14:20 |
Tokyo | NICT Kohji-machi Office | Influence of Probe Antenna Pattern on Far-Field Measurement by Synthetic Aperture Antenna Ryo Yamaguchi, Kazuhiro Komiya, Keizo Cho (NTT DOCOMO) |
[more] | |
| AP | 2009-10-08 14:35 |
Shizuoka | Shizuoka University | Design of Base Station Antenna Using Hybrid Tilting Makoto Sumi, Kazuhiro Komiya, Ryo Yamaguchi, Keizo Cho (NTT DOCOMO) AP2009-114 |
In mobile communications, narrow horizontal beam width comparing to the sector angle is required for base station antenn... [more] | AP2009-114 pp.67-72 |
| AP | 2009-05-21 10:55 |
Kumamoto | Kumamoto Univ. | A Gain Measurement Method for Long Antenna by Using Synthetic Aperture Antenna Kazuhiro Komiya, Ryo Yamaguchi, Keizo Cho (NTT DOCOMO) AP2009-14 |
It is difficult to obtain far-field radiation patterns of electrically large scale antenna when the distance between Tx ... [more] | AP2009-14 pp.19-23 |
| ACT (2nd) |
2008-12-01 16:20 |
Kyoto | Doshisha Univ. (Imadegawa campus) | Far-Field Measurement Method in the Short Range Anechoic Chamber Ryo Yamaguchi, Yasuko Kimura, Kazuhiro Komiya, Keizo Cho (NTT DOCOMO) |
[more] | |
| AP | 2008-10-17 13:25 |
Miyagi | Tohoku Gakuin University | Plane Wave Characteristics of Far-field Measurement Method by Using Synthetic Aperture Antenna Ryo Yamaguchi, Yasuko Kimura, Kazuhiro Komiya, Keizo Cho (NTT DOCOMO) AP2008-103 |
[more] | AP2008-103 pp.49-54 |
| AP | 2007-01-26 09:25 |
Fukui | Fukui Univ. | Evaluation of Mobile Terminal Antenna Characteristics in Multipath Environments Using Ray-trace Method Kazuhiro Komiya, Yoshio Ebine (DoCoMo Technology), Tetsuro Imai (NTT DoCoMo) AP2006-123 |
We evaluate the characteristics of a mobile antenna in multipath environments using ray-trace method. The simulation res... [more] | AP2006-123 pp.77-82 |
| AP | 2006-10-19 10:45 |
Kyoto | Kyoto Univ. (Katsura Campus) | Evaluation of Base Station Antenna Characteristics in Multipath Environments Using Ray-trace Method Kazuhiro Komiya, Yoshio Ebine (DoCoMo Technology), Tetsuro Imai (NTT DoCoMo) AP2006-79 |
We evaluate the characteristics of a base station antenna in multipath environments using ray-trace method. The simulati... [more] | AP2006-79 pp.17-22 |
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