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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2019-08-23 09:55 |
Hokkaido | Hokkai-Gakuen Univ. | Experimental Evaluation and Design of the 920MHz Band Antennas with Directivity, Polarization, and Space Diversity for Indoor IoT Devices Naotake Yamamoto (Panasonic), Kobayashi Hiroaki, Yasunori Komukai, Masayuki Obata, Takashi Izumi (PSNRD), Toshiyuki Maeyama (Takushoku Univ.)  AP2019-64 |
A IoT (Internet of Things) system using the 920 MHz band in indoor environment has become widespread. The IoT devices a... [more] |
AP2019-64 pp.91-96 |
| AP | 2019-02-21 14:30 |
Osaka | Sumitomo Electric Industries (Osaka Works) | [Invited Lecture]
Modeling Method for Ray Trace Simulation using 3D Point Cloud Data and Evaluation of Radiowave Propagation in Indoor Environment Wataru Okamura, Yuki Matsuyama, Yukiko Kishiki (KKE), Zhihang Chen, Kentaro Saito, Jun-ichi Takada (TokyoTech) AP2018-173 |
With the spread of IoT (Internet of Things) services in recent years, users of various industries are building and opera... [more] | AP2018-173 pp.19-24 |
| AP | 2018-05-18 13:00 |
Kumamoto | Kumamoto Univ. | A study on estimation of field strength passing through perpendicularly located windows
-- Double Aperture Field method for perpendicularly located apertures -- Yusuke Amano, Tokio Taga (Kwansei Gakuin Univ.) AP2018-29 |
Double Aperture Field (DAF) method has been proposed as a method for estimating electric field strength of radio waves p... [more] | AP2018-29 pp.89-93 |
| AP | 2018-05-18 13:25 |
Kumamoto | Kumamoto Univ. | An estimation of secondary radiation pattern for predicting outdoor to indoor radio propagation characteristics Keita Okahashi, Tokio Taga (Kwansei Gakuin Univ.) AP2018-30 |
A numerical method combined ray-tracing technique with geometrical optic approximation is proposed and used for estimati... [more] | AP2018-30 pp.95-98 |
| AP | 2018-04-20 13:30 |
Tokyo | Hachijomachi-Shokokai | Evaluation of Improvement of SISO Propagation Loss and MIMO Channel Capacity by Active Propagation Control Ryo Araki, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ.) AP2018-10 |
The authors have proposed "Active Propagation Control "(APC) as a method to improve receiving transmission performance o... [more] | AP2018-10 pp.47-52 |
| SRW | 2017-12-18 14:05 |
Tokyo | Waseda Univ. | [Invited Talk]
Radio Propagation Research for the Next Generation Wireless Communication System Kentaro Saito, Jun-ichi Takada (TiTech), Minseok Kim (Niigata University) SRW2017-64 |
Nowadays, the wireless communication system has been the essential community infrastructure for our life. Recently, th... [more] |
SRW2017-64 pp.25-30 |
| PRMU | 2017-10-12 10:30 |
Kumamoto | Indoor Area Estimation Using Convolutional Neural Network with Spectrogram of Environmental Ultrasound Tatsuro Tsuchiya, Takeshi Umezawa, Noritaka Osawa (Chiba Univ.) PRMU2017-69 |
Active methods for indoor position estimation have been proposed which are based on signal strength or propagation time ... [more] | PRMU2017-69 pp.37-42 |
|
| AP | 2017-08-25 09:30 |
Hokkaido | National Institute of Technology, Hakodate College | Propagation analysis of 920MHz band by Ray Tracing method composed of Reinforced concrete walls Genma Hattori, Yasuhiro Tsunemitsu, Toshiyuki Maeyama (Takushoku Univ.), Toshiyasu Tanaka (MWF) AP2017-79 |
In order for IoT devices to penetrate widely, appropriate area design is necessary. ITU-R P. 1238 propose general propag... [more] | AP2017-79 pp.59-64 |
| SRW | 2017-08-21 13:25 |
Kyoto | Kyoto University | Outdoor-to-Indoor Radio Propagation Loss Measurement by using an Unmanned Aerial Vehicle in 4.9 GHz band Kentaro Saito, Qiwei Fan, Nopphon Keerativoranan, Jun-ichi Takada (Tokyo Inst. of Tech.) SRW2017-13 |
Recently in the cellular network, the various kinds of service cells are utilized in the urban area to accommodate the u... [more] | SRW2017-13 pp.25-30 |
| AP | 2017-03-17 10:55 |
Iwate | Iwate Univ. | A Study on Indoor Radio Propagation Employing Multiband Simultaneous Transmission Yuki Terashima, Aya Hashimoto, Akinobu Kodama, Masayuki Suto, Yasuharu Amezawa, Shinichi Sato (Mobile Techno Corp.) AP2016-193 |
The spectrum shortage of the industrial, scientific and medical radio bands is concerned, since the utilization of Inter... [more] | AP2016-193 pp.87-92 |
| RCS, AP (Joint) |
2016-11-25 10:25 |
Kyoto | Kyoto International Community House | OFDM Performance of 5G Ultra High Capacity Massive MIMO Transmission based on Indoor Experiment Measurement at 44GHz band Kenji Nakagawa, Shigeru Uchida, Hiroki Iura, Hideki Morishige, Akihiro Okazaki (Mitsubishi Electric), Satoshi Suyama, Kei Satoh, Tatsunori Obara, Yukihiko Okumura (NTT docomo), Atsushi Okamura (Mitsubishi Electric) RCS2016-202 |
Recently, mobile communication technologies for the fifth generation (5G) in heigher frequency bands have been extensive... [more] | RCS2016-202 pp.63-68 |
| AP | 2016-08-23 11:20 |
Nagasaki | Nagasaki Univ. | A study on Radio Wave Propagation indoor using 920MHz Band Gennma Hattori, Takuya Wadaka, Yasuhiro Tsunemitsu, Toshiyuki Maeyama (Takushoku Univ.), Toshiyasu Tanaka (MWF) AP2016-83 |
The spread of IoT device requires appropriate wireless area design．Especially in IoT device it is often used indoors is ... [more] | AP2016-83 pp.85-90 |
| AP | 2016-05-19 14:25 |
Hyogo | kobe Univ. | Performance Evaluation of Propagation Control Devices for Active Propagation Control Ryo Araki, Kenichiro Kamohara, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ.) AP2016-19 |
The authors have proposed "Active Propagation Control "(APC) " as a method to improve receiving transmission performance... [more] | AP2016-19 pp.17-22 |
| AP | 2016-03-10 13:45 |
Yamanashi | Isawa Onsen (Kanpo no Yado) | Estimation of Propagation Loss between Indoors for 3D cells Ryo Eguchi, Daiki Furuishi, Takuya Kuribayashi, Shinichi Ichitsubo (Kyutech), Hideki Omote, Teruya Fujii (SoftBank) AP2015-209 |
In the construction of 3D cells for mobile communication systems, the interference between indoor base stations becomes ... [more] | AP2015-209 pp.31-36 |
| 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) |
2015-11-04 14:05 |
Okinawa | Okinawa Prefectural Museum & Art Museum | [Invited Lecture]
Outdoor-to-Indoor Path Loss Characteristics for 8GHzto 37GHzBand Minoru Inomata, Wataru Yamada, Motoharu Sasaki, Takeshi Onizawa (NTT) AP2015-115 RCS2015-200 |
The path loss characteristics for high frequency above the 6GHz are analyzed on the basis of measurement results obtaine... [more] | AP2015-115 RCS2015-200 pp.29-34(AP), pp.61-66(RCS) |
| IN, MoNA (Joint) |
2014-11-19 09:50 |
Yamaguchi | Simonosekishi-Kinro-Fukushi-Kaikan | A Method Considering Frequency Selective Fading for WLAN-based Indoor Localization Hiroshi Maeda, Teruaki Kitasuka (Kumamoto Univ.) MoNA2014-53 |
In this report, we consider methods of applying frequency-selective fading to WLAN based indoor localization system. Fre... [more] | MoNA2014-53 pp.25-29 |
| 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 | 2014-03-11 14:35 |
Fukushima | Koriyama City Rodo Fukushi Kaikan | Path loss Between Indoors of Different LOS Buildings for construction of 3D cells Iori Nagadome, Yohei Miyata, Shinichi Ichitsubo (KIT), Hideki Omote (SoftBank Telecom Corp), Teruya Fujii (SoftBank Mobile Corp) AP2013-199 |
In the construction of three-dimensional cells for mobile communication systems, interference between indoor base statio... [more] | AP2013-199 pp.81-86 |
| AP | 2014-03-11 15:00 |
Fukushima | Koriyama City Rodo Fukushi Kaikan | Cluster-Based Indoor Radio Channel Characterization at 11GHz Van Hue Pham, Minseok Kim, Jun-ichi Takada (Titech) AP2013-200 |
Elucidation of the space-time radio wave propagation characteristics is always an important fundamental task to develop... [more] |
AP2013-200 pp.87-92 |
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