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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, SAT, SANE (Joint) |
2016-07-21 11:45 |
Hokkaido | Otaru port marina (Hokkaido) | A Propagation Characteristics Analysis Method Using Point Cloud Data Ngochao Tran, Nobutaka Omaki, Tetsuro Imai, Koshiro Kitao, Yukihiko Okumura (NTT DOCOMO)  AP2016-46 |
[more] | AP2016-46 pp.55-60 |
| AP | 2016-03-10 14:35 |
Yamanashi | Isawa Onsen (Kanpo no Yado) (Yamanashi) | Propagation Characteristics by Covering Objects in Street Environment Hayato Imagawa, Toshikazu Hori, Mitoshi Fujimoto (Univ.Fukui), Nobutaka Omaki, Tetsuro Imai (NTT Docomo) AP2015-211 |
In the next generation mobile communication system, the street cell formed by using an antenna of a base station locate... [more] | AP2015-211 pp.43-46 |
| AP | 2016-02-19 14:20 |
Fukushima | Iwaki (Spa Resort Hawaiians) (Fukushima) | Frequency characteristics of change in received level by human body shadowing in indoor environment Koshiro Kitao, Ngochao Tran, Tetsuro Imai, Nobutaka Omaki, Yukihiko Okumura (NTT DOCOMO) AP2015-201 |
[more] | AP2015-201 pp.59-63 |
| AP | 2016-02-19 15:10 |
Fukushima | Iwaki (Spa Resort Hawaiians) (Fukushima) | Proposal on Novel Ray-Launching Method with Quasi-Uniform Spatial Resolution, and its Effect on Calculation Amount Reduction Tetsuro Imai, Nobutaka Omaki, Yukihiko Okumura (DOCOMO) AP2015-203 |
Currently, ray-tracing method came to be commonly used to radio propagation analysis. Ray-launching method is one of tec... [more] | AP2015-203 pp.71-76 |
| AP, SANE (Joint) |
2015-08-28 12:45 |
Ibaraki | Ibaragi Univ. Mito Campus (Ibaraki) | Evaluation and consideration on indoor penetration loss and pathloss in indoor characteristics in micro frequency band Hayate Kimoto, Kentaro Nishimori (Niigata Univ.), Nobutaka Omaki, Koshiro Kitao, Tetsuro Imai (DOCOMO) AP2015-72 |
In heterogeneous networks on LTE-Advanced, picocell and femtocell are incorporated inside macrocell which is a typical c... [more] | AP2015-72 pp.67-70 |
| AP | 2015-07-31 11:20 |
Hokkaido | Wakkanai Sougou Bunka Center (Hokkaido) | Accuracy Improvement of Ray-Tracing Method with Rounded-Shape (RS) Model for Non Line-Of-Site (NLOS) Route in Street Cell Environment
-- Consideration of Building Shape and Surface Roughness -- Nobutaka Omaki, Koshiro Kitao, Tetsuro Imai, Yukihiko Okumura (DOCOMO) AP2015-54 |
In 5G mobile communication system, it is one of the most important issues to clarify the propagation characteristics in ... [more] | AP2015-54 pp.83-88 |
| AP | 2015-03-20 13:45 |
Fukui | Fukui University, Bunkyou Campus (Fukui) | Accuracy Evaluation of Ray-Tracing Method with Rounded-Shape (RS) Model for Non Line-Of-Site (NLOS) Route in Street Cell Environment Nobutaka Omaki, Koshiro Kitao, Tetsuro Imai, Yukihiko Okumura (NTT DOCOMO) AP2014-222 |
In 5G mobile communication system, it is one of the most important issues to clarify the propagation characteristics in ... [more] | AP2014-222 pp.61-66 |
| AP | 2015-02-20 14:05 |
Hyogo | Chusho-kigyou center at Amagasaki-City (Hyogo) | [Invited Lecture]
Impact of Building Shape in the Intersection on Ray Tracing Accuracy for Non Line-Of-Site (NLOS) Scenario in Street Cell Environment (Part2)
-- Consideration of Muti-path Effect -- Nobutaka Omaki, Koshiro Kitao, Tetsuro Imai, Yukihiko Okumura (NTT DOCOMO INC.) AP2014-206 |
[more] | AP2014-206 pp.107-112 |
| AP | 2015-01-23 09:20 |
Ehime | Ehime University (Ehime) | Impact of Building Shape in the Intersection on Ray Tracing Accuracy for Non Line-Of-Site (NLOS) Scenario in Street Cell Environment Nobutaka Omaki, Koshiro Kitao, Tetsuro Imai, Yukihiko Okumura (NTT DOCOMO) AP2014-173 |
In 5G mobile communication system, it is one of the most important issues to clarify the propagation characteristics in ... [more] | AP2014-173 pp.67-72 |
| AP | 2015-01-23 09:45 |
Ehime | Ehime University (Ehime) | Path loss prediction model for microcell environment in high - SHF and EHF band Koshiro Kitao, Tetsuro Imai, Ngochao Tran, Nobutaka Omaki, Yukihiko Okumura (NTT DOCOMO), Motoharu Sasaki, Wataru Yamada (NTT) AP2014-174 |
[more] | AP2014-174 pp.73-78 |
| AP, RCS (Joint) |
2014-11-14 11:00 |
Yamagata | Yamagata University, Yonezawa Campus (Yamagata) | [Invited Lecture]
Study on Propagation Characteristics for Design of Fifth-Generation Mobile Communication Systems
-- Frequency Dependency of Path Loss in 800 MHz to 37 GHz Band in Small-Cell Environment -- Tetsuro Imai, Koshiro Kitao, Ngochao Tran, Nobutaka Omaki, Yukihiko Okumura (NTT DOCOMO), Motoharu Sasaki, Wataru Yamada (NTT) AP2014-149 RCS2014-218 |
In 5G mobile communication system, it is one of the most important issues to clarify the propagation characteristics at ... [more] | AP2014-149 RCS2014-218 pp.115-120(AP), pp.119-124(RCS) |
| AP | 2008-01-24 13:10 |
Okinawa | Tyeruru.(Naha) (Okinawa) | Accuracy of PO with Modified Surface-normal Vectors in Radar Cross Section
-- E wave incidence -- Nobutaka Omaki, Luis Rodriguez, Makoto Ando (Titech) AP2007-139 |
[more] | AP2007-139 pp.99-104 |
| AP | 2007-03-09 15:40 |
Overseas | Taiwan (Yuan Ze Univ.) (Overseas) | Application of the Locality Principle in the Method of Moments for Induced Currents or Fields in Electrically Large Scattering Problems Tetsu Shijo, Masayuki Oishi, Yoichi Katakai, Nobutaka Omaki, Koji Yukimasa, Luis Rodriguez, Makoto Ando (Tokyo Inst. of Tech.) AP2006-169 |
The computational cost reduction in the Method of Moments (MoM) is proposed in terms of the locality principle which is ... [more] | AP2006-169 pp.109-112 |
| AP | 2007-03-09 16:00 |
Overseas | Taiwan (Yuan Ze Univ.) (Overseas) | Novel Interpretation of the Radiation Pattern of the Parabolic Reflector Antenna by the Modified Edge Representation Line Integrals and Equivalence with the Physical Optics Luis Rodriguez, Yoichi Katakai, Masayuki Oishi, Nobutaka Omaki, Koji Yukimasa, Tetsu Shijo, Makoto Ando (Tokyo Inst. of Tech.) AP2006-170 |
[more] | AP2006-170 pp.113-116 |
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