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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2016-02-19 15:10 |
Fukushima | Iwaki (Spa Resort Hawaiians) | 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 | 2016-01-14 14:45 |
Tokyo | Takushoku University, Hachiouji Campus | [Invited Lecture]
Statistical Model Utilizing Ray-Tracing for Indoor Radio Propagation Prediction Takahiro Hashimoto, Yasuhiro Nishioka, Yoshio Inasawa, Hiroaki Miyashita (Mitsubishi Electric Corp.) AP2015-174 |
In order to improve accuracy of the statistical models in indoor propagation characteristics, we propose an estimation m... [more] | AP2015-174 pp.37-42 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-05 10:55 |
Okinawa | Okinawa Prefectural Museum & Art Museum | Performance Evaluation of Full-Dimension MIMO Systems with Consideration for User Density Using a Ray-tracing Technique Shun Nishizaki, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.) RCS2015-211 |
In the fifth generation mobile communication systems, applications of a massive Multiple-Input Multiple-Output (MIMO) sy... [more] | RCS2015-211 pp.127-132 |
| EST | 2015-09-03 11:20 |
Okinawa | Oohama-Nobumoto-Kinenkan, Ishigaki Island, Okinawa, Japan | Coverage Simulation of GBAS VDB above Runway Surface in Ishigaki Airport Atsushi Kezuka, Susumu Saito, Takayuki Yoshihara (ENRI) EST2015-56 |
GBAS is a new aircraft landing system which provides own aircraft position by using GNSS. In this system, VDB (VHF Data ... [more] | EST2015-56 pp.17-21 |
| AP | 2015-07-31 11:20 |
Hokkaido | Wakkanai Sougou Bunka Center | 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 |
| EMT, MW, OPE, MWP, EST, IEE-EMT [detail] | 2015-07-16 15:20 |
Hokkaido | Kushiro City Lifelong Learning Center | Study on Direction of Arrival Estimation in FDTD Analysis of Radio Propagation Using MUSIC Algorithm Suguru Imai, Kenji Taguchi, Tatsuya Kashiwa (Kitami Inst. of Tech.) EMT2015-29 MW2015-67 OPE2015-41 EST2015-33 MWP2015-32 |
Traditionally, the ray-tracing method has been used to analyze radio propagation problems. Recently, the FDTD method can... [more] | EMT2015-29 MW2015-67 OPE2015-41 EST2015-33 MWP2015-32 pp.117-120 |
| EMT, MW, OPE, MWP, EST, IEE-EMT [detail] | 2015-07-16 16:50 |
Hokkaido | Kushiro City Lifelong Learning Center | Classification Rule of NLoS Region in Indoor Propagation Estimation Combining Ray-Tracing with Statistical Models Takahiro Hashimoto, Yasuhiro Nishioka, Yoshio Inasawa, Hiroaki Miyashita (Mitsubishi Electric Corp.) EMT2015-31 MW2015-69 OPE2015-43 EST2015-35 MWP2015-34 |
In order to improve estimation accuracy of statistical models, a method in which subdivide NLoS region using number of r... [more] | EMT2015-31 MW2015-69 OPE2015-43 EST2015-35 MWP2015-34 pp.131-136 |
| RCS | 2015-06-25 15:30 |
Hokkaido | Hokkaido Univ. | An Accuracy Evaluation of Path Loss Models over Non Line-of-Sight Intersections in V2V Communications Ippei Sugae, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ.) RCS2015-76 |
In this paper, accuracy of path loss models in an intersection environment of vehicle to vehicle communications (V2V) is... [more] | RCS2015-76 pp.179-184 |
| AP | 2015-05-21 13:25 |
Nara | Naraken Shakai Fukushi Sougou Center (Kashihara City) | An accuracy improvement of a path loss model for over-the-corner Vehicle to Vehicle communications (V2V) Ippei Sugae, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ.) AP2015-20 |
In this paper, an accuracy improvement of a conventional path loss model in an intersection of vehicle to vehicle commun... [more] | AP2015-20 pp.7-12 |
| AP | 2015-04-23 16:00 |
Okinawa | Ishigaki City | Effect on Propagation Loss by Variations of Transmitter and Effect on Propagation Loss by Variations of Transmitter and Receiver Positions in Road Width Direction in Inter-Vehicle Communication Environments Kazuo Ozawa, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ.) AP2015-18 |
Studies of propagation models in inter-vehicle communication environments have been reported. The models give the propag... [more] | AP2015-18 pp.89-94 |
| AP | 2015-03-20 12:45 |
Fukui | Fukui University, Bunkyou Campus | A Calculation Formula of Propagation Path Loss for Vehicle to Vehicle Communications (V2V) in a Crank Road Yuki Hosokawa, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ) AP2014-220 |
In this paper, we propose a simple calculation formula of propagation loss in a crank road assuming V2V communication sy... [more] | AP2014-220 pp.49-54 |
| AP | 2015-03-20 13:45 |
Fukui | Fukui University, Bunkyou Campus | 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 |
| SAT, RCS (Joint) |
2014-08-19 10:30 |
Kochi | Kochi City Cultura-Plaza CUL-PORT | SINR Performance Comparison of Full-Dimension MIMO Systems in Indoor Environments Using a Ray-tracing Technique Hayato Fukuda, Toshihiko Nishimura, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2014-139 |
In order to realize high capacity communication, massive multiple-input multiple-output (MIMO) systems which have a very... [more] | RCS2014-139 pp.1-6 |
| AP, SAT (Joint) |
2014-07-25 14:35 |
Gifu | Gero Citizen Hall | Study on Analysis Method of Outdoor-to-Indoor Radio Propagation
-- Hybrid Method of Ray-Tracing and Physical Optics -- Tetsuro Imai, Yukihiko Okumura (NTT DOCOMO) AP2014-68 SAT2014-21 |
Toward investigation and design of the fifth generation mobile communication systems, it is one of the important issues ... [more] | AP2014-68 SAT2014-21 pp.115-120(AP), pp.53-58(SAT) |
| AP | 2014-06-12 12:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Evaluation of Ranging Error Fluctuation Caused by Baiu-front Movement using Ray-tracing Atsushi Kezuka, Takayuki Yoshihara, Susumu Saito, Naoki Fujii (ENRI) AP2014-40 |
GNSS is widely used in aircraft navigation. On the other hand, APNT (Alternate Position, Navigation and Timing) is requi... [more] | AP2014-40 pp.1-5 |
| AP | 2014-02-07 14:05 |
Aichi | Kojima Industries Corporation, Kojima Research Center | [Invited Lecture]
Measurement of Propagation Characteristics in Office Environment at 60GHz Band for Interference Cancelling Receivers Naganori Shirakata, Koichiro Tanaka, Masashi Kobayashi, Tomoya Urushihara, Hiroshi Iwai, Koji Takinami (Panasonic) AP2013-184 |
In this work, broadband propagation channel characteristics are measured at the 60 GHz band in an application-oriented o... [more] | AP2013-184 pp.103-108 |
| RCS, SIP | 2014-01-24 16:05 |
Fukuoka | Kyushu Univ. | Temporal and frequency characteristics of shadowing by human body in 60GHz WLAN Tomofumi Ono, Masahiro Umehira, Shigeki Takeda, Teruyuki Miyajima, Kenichi Kagoshima (Ibaraki Univ.) SIP2013-127 RCS2013-297 |
Moving human body causes significant shadowing resulting in a large propagation loss in 60GHz band ultra-high-speed mult... [more] | SIP2013-127 RCS2013-297 pp.247-252 |
| AP, PEM (Joint) |
2013-10-03 11:25 |
Ishikawa | Kanazawa Univ. Satellite-Plaza | Comparison of interference temperature between propagation measurement and ray-tracing in heterogeneous networks Keisuke Kusumi, Kentaro Nishimori (Niigata Univ.), Tetsuro Imai, Koshiro Kitao (NTT DOCOMO) AP2013-88 |
In heterogeneous networks on LTE-Advanced, picocell and femtocell are incorporated inside macrocell which is a typical ... [more] |
AP2013-88 pp.7-12 |
| ITS | 2013-07-26 15:55 |
Osaka | Kansai University | GNSS Error Correction with Multipath Detection using 3D Maps Shunsuke Miura, Shunsuke Kamijo (Univ. of Tokyo) ITS2013-12 |
From the point of view of safety applications, accurate and reliable positioning of road users is the most important par... [more] | ITS2013-12 pp.37-42 |
| SRW | 2013-06-17 13:00 |
Kanagawa | Fujitsu | Dynamic Shadowing characteristics of by Human Body based on Ray-tracing Simulations in Millimeter-wave WLAN Tomofumi Ono, Masahiro Umehira, Shigeki Takeda, Teruyuki Miyajima, Kenichi Kagoshima (Ibaraki Univ.) SRW2013-15 |
In the ultra-high-speed millimeter wave band WLAN supporting several Gbps class transmission speed, as large diffraction... [more] | SRW2013-15 pp.19-24 |
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