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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SIP, IT, RCS | 2024-01-19 09:30 |
Miyagi | (Primary: On-site, Secondary: Online) |
Evaluation of Radio Interference by Flight Plan in Urban Parcel Delivery Using UAV Rui Hamane, Hideya So (SIT)  IT2023-56 SIP2023-89 RCS2023-231 |
The market for services using unmanned aerial vehicles (UAVs) is increasing yearly. A law revision in 2022 in Japan will... [more] | IT2023-56 SIP2023-89 RCS2023-231 pp.139-144 |
| AP, SANE, SAT (Joint) |
2022-07-27 09:50 |
Hokkaido | Asahikawa Taisetsu Crystal Hall (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Radio Propagation Characteristics for Train Operating Systems in Urban Area Izumi Kurita, Takayasu Kitano, Kazuki Nakamura (RTRI) AP2022-35 |
Wireless communication systems such a train radio system and CBTC have been upgraded and getting more broadband. It is m... [more] | AP2022-35 pp.6-11 |
| RCS | 2022-06-15 09:55 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Simulation Evaluation of Millimeter Wave Cell Free massive MIMO for Realistic Deployment Environment Shunsuke Kamiwatari, Issei Kanno, Takahiro Hayashi, Yoshiaki Amano (KDDI Research, Inc.) RCS2022-25 |
Cell-free massive MIMO (CF mMIMO) is a candidate elemental technology for Beyond 5G. In this paper, we report the result... [more] | RCS2022-25 pp.7-12 |
| RCS | 2021-04-23 13:00 |
Online | Online | [Invited Lecture]
Evaluation of propagation characteristics of millimeter wave band along the railway. Yoshihiro Matsumura, Tomoyuki Tange, Eishi Sasaki (JR-Central), Koki Iwamoto, Kazuki Nakamura (RTRI), Yukitoshi Sanada (Keio Univ.) RCS2021-14 |
Relatively low-speed communications such as voice communication and data communication of a few Mbps have been used for ... [more] | RCS2021-14 pp.66-71 |
| RCS, AP, UWT (Joint) |
2020-11-26 15:40 |
Online | Online | Measures result and simulation evaluation of 45GHz band millimeter wave propagation characteristics in the curve section of railway Yoshihiro Matsumura, Tomoyuki Tange, Takeshi Nishiyama (JR-Central.), Hiroyuki Igura, Tomoki Arakawa (NEC), Kouki Iwamoto, Kazuki Nakamura (RTRI), Yukitoshi Sanada (Keio Univ.) RCS2020-129 |
For mobile communication between ground and vehicles on railways, voice channel and several Mbps data transmission by wi... [more] | RCS2020-129 pp.104-109 |
| SR (2nd) |
2019-11-04 - 2019-11-05 |
Overseas | Rutgers University Inn & Conference Center, NJ, USA | [Poster Presentation]
Outdoor Localization of RF Emitter Using UAV-based Sensors Shoma Tanaka, Khanh Tran Gia, Kei Sakaguchi (Tokyo Tech) |
Today mobile terminals have become popular in the IoT society, and location information is used for rescue in the disast... [more] | |
| AP, RCS (Joint) |
2017-11-09 13:25 |
Fukuoka | Fukuoka University | [Invited Lecture]
Performance Evaluation of User Scheduling Method Based on Channel Capacity Maximization in Massive MIMO Masanao Sasaki, Kota Igarashi, Sho Okumura, Hiroaki Nakabayashi (Chiba Inst. Tech) AP2017-126 RCS2017-231 |
In recent years, studies on the 5th generation mobile communication system (5G) are under way, and massive MIMO technol... [more] | AP2017-126 RCS2017-231 pp.97-102(AP), pp.153-158(RCS) |
| LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] | 2016-01-28 16:50 |
Hyogo | Basic Analysis of Multipath Characteristics for Millimeterwave Wireless Communication in Dence User Environment Yuya Ohashi, Hidehisa Shiomi, Toshiyuki Inoue, Hiroshi Murata, Yasuyuki Okamura (Osaka Univ.) PN2015-57 EMT2015-108 OPE2015-170 LQE2015-157 EST2015-114 MWP2015-83 |
In this paper, we discuss Millimeterwave scattering to analyze Multipath Characteristics for Millimeterwave Wireless Com... [more] | PN2015-57 EMT2015-108 OPE2015-170 LQE2015-157 EST2015-114 MWP2015-83 pp.147-152 |
|
| SRW | 2014-12-17 14:40 |
Kanagawa | Keio University | Design of Indoor Multiuser MIMO-OFDM System at 60GHz
-- Study of Channel Modeling and User Selection -- Keisuke Hirota, Yuyuan Chang, Gia Khanh Tran, Kiyomichi Araki (Tokyo Tech.) SRW2014-38 |
Recently due to the increasing data traffic, the unlicensed 60 GHz band has become attracted. Because of its larger band... [more] | SRW2014-38 pp.17-22 |
| EMCJ, IEE-EMC | 2012-12-14 11:40 |
Gifu | Gifu Univ. | A Fundamental Study of Site VSWR at Anechoic Chamber
-- Relation between Site VSWR and Dimension Anechoic Chamber -- Hiroaki Takeyama, Ryosuke Suga, Osamu Hashimoto (Aoyama Gakuin Univ.) EMCJ2012-92 |
CISPR (Comite International Special des Perturbations Radioelectrique) prescribes a free-space site as a measurement sit... [more] | EMCJ2012-92 pp.43-47 |
| MW | 2011-10-21 15:45 |
Tokyo | The University of Electro-Communications | Analytic Study on the Electric Environment of ETC in a Tunnel and Its Target for Improvement Kiyofumi Saito, Ryosuke Suga (Aoyama Gakuin Univ), Yoshiyuki Wakabayashi (Nippon Expressway Research Institute Company Limited), Siomi Takamine, Mariko Ode (Kozo Keikaku Engineering lnc), Osamu Hashimoto (Aoyama Gakuin Univ) MW2011-112 |
In this paper, an influence on ETC system from a concrete wall was analyzed for the system placed in a tunnel. As a resu... [more] | MW2011-112 pp.149-154 |
| EMCJ, MW, EST | 2011-05-26 11:00 |
Tokyo | NICT | A study on the EM Environment at the ETC Gate in a tunnel using Dielectric layer Takahiro Shirasawa, Kiyofumi Saito (Aoyama Gakuin Univ), Yoshiyuki Wakabayashi (Nippon Expressway Research Institute Company Limited), Siomi Takamine, Mariko Ode (Kozo Keikaku Engineering lnc), Osamu Hashimoto (Aoyama Gakuin Univ) EMCJ2011-12 MW2011-9 EST2011-5 |
In this paper, we analyzed the distribution of received power when the dielectric layer was disposed on the surface of c... [more] | EMCJ2011-12 MW2011-9 EST2011-5 pp.19-22 |
| EMCJ, MW, EST | 2011-05-26 11:25 |
Tokyo | NICT | Analytic Study on Electric Field Distribution of Outside and Inside of the Room Using Ray-Trace Method. Hiroaki Takeyama, Kiichi Ishibashi (Aoyama Gakuin Univ.), Takaharu Kawase, Junnichi Tanoi (Tokyu Construction), Osamu Hashimoto (Aoyama Gakuin Univ.) EMCJ2011-13 MW2011-10 EST2011-6 |
In this paper, the electric field distribution of inside and outside of the room is simulated using ray-trace method a... [more] |
EMCJ2011-13 MW2011-10 EST2011-6 pp.23-26 |
| EMCJ | 2011-01-28 14:35 |
Kumamoto | Kumamoto National College of Technology | Application of Pyramidal Foam Absorber for Compact Anechoic Chamber above 1 GHz
-- Relation between Site VSWR and Time Domain Evaluation -- Masato Kawabata (Fukuoka Industrial Technology Center), Hiroshi Onomae (Kagoshima Prefectural Institute of Industrial Technology), Masakatsu Fujimoto (Yamaguchi Prefectural Industrial Technology Institute), Kenji Ishimatsu (Kumamoto Industrial Research Institute), Yasuhiro Ishida (Fukuoka Industrial Technology Center) EMCJ2010-113 |
EMI test sites above 1 GHz are modeled as a free space. CISPR has specified the site voltage standing wave ratio (site V... [more] | EMCJ2010-113 pp.79-84 |
| MW, EMCJ | 2010-10-21 14:30 |
Akita | Akita Univ. | Analytic Study on the Electric Wave Environment of ETC Lane Located near the Sound Insulation Wall by Putting in the Wave Absorber Kiichi Ishibashi (Aoyama Gakuin Univ.), Yoshiyuki Wakabayashi (Nippon Expressway Research Institute), Osamu Hashimoto (Aoyama Gakuin Univ.) EMCJ2010-55 MW2010-90 |
In this paper, we analytically examined electric wave environment around the ETC communication area which located near t... [more] | EMCJ2010-55 MW2010-90 pp.19-24 |
| EMT, OPE, MW, IEE-EMT [detail] | 2010-07-29 13:30 |
Hokkaido | Hokkaido Univ. | A Study on the Electric Wave Environment of an ETC System in the Rain Kiichi Ishibashi (Aoyama Gakuin Univ.), Yoshiyuki Wakabayashi (Nippon Expressway Research Institute), Osamu Hashimoto (Aoyama Gakuin Univ.) MW2010-51 OPE2010-36 |
In this paper, we examined analytically, using ray-trace method, the changing of electromagnetic environment around the ... [more] | MW2010-51 OPE2010-36 pp.99-103 |
| CAS, CS, SIP | 2009-03-02 16:20 |
Gifu | Nagaragawa Convention Center | Simulation Method for Indoor Location Estimation using UHF Band Passive RFID with Influence of Human Body Nobuyoshi Komuro, Tomoyuki Rokuda, Kazuki Machii (Tokyo Univ. of Tech.), Takehiro Shiraishi (Nihon System Warp Co., Ltd.), Hiromi Ueda, Hiroyuki Kasai, Toshinori Tsuboi (Tokyo Univ. of Tech.) CAS2008-117 SIP2008-180 CS2008-91 |
This paper invesitgates an indoor location estimation system based on UHF RFID (Radio Frequency IDentification), and eva... [more] | CAS2008-117 SIP2008-180 CS2008-91 pp.95-100 |
| 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 |
| AP | 2006-01-26 10:25 |
Fukuoka | Fukuoka Inst. of Tech. | Measurement of Radio Propagation Characteristics for Inter-Vehicle Communication in Shadowing Environment by Vehicle Junya Muramatsu, Noriyoshi Suzuki, Satoshi Makido (Toyota CRDL,Inc.) |
In the Inter-Vehicle communication environment, the shadowing effect caused by the vehicle between the transmitting and ... [more] | AP2005-132 pp.13-16 |
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