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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2024-02-16 15:00 |
Mie | Sinfonia Technology Hibiki Hall Ise (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Propagation loss prediction method by machine learning and ray-tracing for indoor environments Takayuki Nakanishi, Kenya Shimizu (MELCO), Kenzaburo Hitomi (MEE), Yasuhiro Nishioka, Yoshio Inasawa (MELCO)  AP2023-197 |
Radio propagation estimation is important for improving the stability and reliability of wireless communications. Howeve... [more] | AP2023-197 pp.50-55 |
| SRW, SeMI (Joint) |
2023-11-22 09:30 |
Tokyo | Koganei Campus, Tokyo University of Agriculture and Technology (Primary: On-site, Secondary: Online) |
[Short Paper]
A Study on Port Arrangement of Analog Beamforming Network Using 3-dimensional Luneburg Lens Maki Arai, Mikio Hasegawa (Tokyo Univ. of Science) SRW2023-34 |
In this report, we propose a method to design an input/output-port arrangement using a directivity correlation matrix fo... [more] | SRW2023-34 p.31 |
| AP, RCS (Joint) |
2023-11-17 09:30 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
A Study on Null Depth Control using Multiple Null Constrained transmission directivity control for Microwave Wireless Power Transmission Katsutoshi Kawai, Tomoyuki Nakasha, Yuuya Tanaka (Kyocera) AP2023-147 |
In adaptive array transmission, beamforming performance can be improved by controlling the null depth. In microwave wire... [more] | AP2023-147 pp.86-91 |
| AP | 2023-03-17 09:55 |
Toyama | Toyama Prefectural Civic Hall (Primary: On-site, Secondary: Online) |
Examination of directivity control method and operation frequency for wireless power transmission in indoor manned environment Tomoyuki Nakasha, Katsutoshi Kawai, Yuuya Tanaka (Kyocera), Mitoshi Fujimoto (Univ. of Fukui) AP2022-242 |
In recent years, beam wireless power transmission(WPT) systems supply energy for targets located on separate places have... [more] | AP2022-242 pp.49-54 |
| SRW, SeMI, CNR (Joint) |
2022-11-25 15:05 |
Tochigi | Epinard Nasu (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A Study on Base Station Selection Method Employing Antenna Height and User Position in Millimeter-wave Communications Gen Hosoi, Mitsumasa Nitta, Shuhei Saito, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.) SRW2022-34 SeMI2022-69 CNR2022-27 |
This report investigates the effectiveness of a low-complexity blockage mitigation method employing information about th... [more] | SRW2022-34 SeMI2022-69 CNR2022-27 pp.58-59(SRW), pp.74-75(SeMI), pp.43-44(CNR) |
| IA, CQ, MIKA (Joint) |
2022-09-16 10:00 |
Hokkaido | Hokkaido Citizens Actives Center (Primary: On-site, Secondary: Online) |
High efficiency of epidemic communications for drones swarm flight Tatsuya Kurosawa (NIT), Tomotaka Kimura (Doshisha Univ.), Hiroyuki Shimizu, Takefumi Hiraguri (NIT) CQ2022-38 |
In this study, we are developing the pollination system using small drones. This proposed system is use epidemic communi... [more] | CQ2022-38 pp.80-84 |
| AP | 2022-08-19 10:30 |
Tochigi | Tochigi Prefecture Industrial Center (Primary: On-site, Secondary: Online) |
Adjustment of Patch Antenna Directivity by Designing Edge GND Layout Ryo Komura, Yoshiki Yamada (Murata) AP2022-64 |
In recent years, The 5G application of smartphones has become active, and the number of terminals equipped with millimet... [more] | AP2022-64 pp.1-5 |
| AP | 2022-05-19 10:20 |
Hyogo | Kobe Port Oasis (Primary: On-site, Secondary: Online) |
A Study on Performance Improvement of a Wave Source Location Estimation Technique Based on Received Power Distribution Model Takato Akiyama, Seiryu Okamoto, Yuki Kawai, Ryo Goto (Doshisha Univ.), Satoru Shimizu (ATR/Doshisha Univ.), Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2022-12 |
A wave source location estimation technique based on the received power model has been proposed. In the technique, a mod... [more] | AP2022-12 pp.7-11 |
| MW | 2021-12-17 13:35 |
Kanagawa | Kawasaki City Industrial Promotion Hall (Primary: On-site, Secondary: Online) |
A Basic Study on RFID Tag Antennas Placed on a Metallic Temporary Equipment for Construction Yuta Sugiyama, Naoki Miyata (TMCIT) MW2021-102 |
In order to use UHF RFID tags for inventory management of temporary construction equipment, it is difficult to transmit ... [more] | MW2021-102 pp.103-108 |
| AP, SANE, SAT (Joint) |
2021-07-28 10:50 |
Online | Online | Wave-number domain of synthetic aperture radar with antenna pattern and distance attenuation Masanori Gocho (NICT) SANE2021-15 |
Synthetic Aperture Radar (SAR) can reconstruct two-dimensional spatial information by signal processing a series of rece... [more] | SANE2021-15 pp.1-6 |
| SRW, SeMI, CNR (Joint) |
2020-11-26 09:40 |
Online | Online | A Fundamental Evaluation of Dynamic-Duplex Cellular System on 5G NR Downlink in High SHF Band Yuya Arakawa, Kazuki Nishikori, Keiichi Mizutani, Takeshi Matsumura, Hiroshi Harada (Kyoto Univ.) SRW2020-27 |
IBFD (In-Band Full-Duplex) has been studied on its application to the beyond 5G (5th Generation) since IBFD enables a si... [more] | SRW2020-27 pp.13-18 |
| MW, EST, OPE, MWP, EMT, IEE-EMT, THz [detail] | 2019-07-18 13:40 |
Hokkaido | Hakodate City Central Library | Evaluation of Directivity for Light Sensitivity in SOI Photodiode with Metallic Grating-Type SP Antenna Shusuke Hara, Anitharaj Nagarajan, Hiroaki Satoh, Hiroshi Inokawa (Shizuoka Univ.) EMT2019-25 MW2019-38 OPE2019-29 EST2019-27 MWP2019-25 |
Recently, ASPs (angle sensitive pixels) have been discussed, which detect not only light intensity but also light arrivi... [more] | EMT2019-25 MW2019-38 OPE2019-29 EST2019-27 MWP2019-25 pp.113-116 |
| AP, SANE, SAT (Joint) |
2019-07-18 15:20 |
Miyagi | Tohoku Univ. | [Invited Lecture]
Propagation Characteristics in a L-shaped Corridor by Antenna Directivity at 28 GHz Band Mayumi Yoshino, Doppo Sugimura, Hiroki Hagiwara, Tomoaki Kudo, Toshiyuki Kobayashi (Dengyo) AP2019-36 |
For the next generation mobile communication system, it is important to understand propagation characteristics at high f... [more] | AP2019-36 pp.79-82 |
| AP | 2019-05-16 13:05 |
Hyogo | Kanpo-no-yado Arima (Arima Onsen, Hyogo) | Received Power Fluctuation by Antenna Directivity at 4.5 GHz and 28 GHz Bands Mayumi Yoshino, Doppo Sugimura, Ryunosuke Murofushi, Hiroki Hagiwara, Tomoaki Kudo, Toshiyuki Kobayashi (Dengyo) AP2019-1 |
For the next generation mobile communication system in recent years, high frequency bands such as 4.5 GHz and 28 GHz are... [more] | AP2019-1 pp.1-6 |
| WPT, AP (Joint) |
2019-01-18 16:50 |
Aichi | Toyota Automobile Museum | Effects on the On-glass Dipole Antenna Characteristics due to the Body of Vehicle Tetsuya Ogawa, Toru Uno, Takuji Arima, Yujiro Kushiyama (TUAT), Osamu Kagaya (AGC) AP2018-169 |
In recent years, antennas installed in automobiles are often attached directly to glass from the aesthetic point of view... [more] | AP2018-169 pp.103-107 |
| WBS, ITS, RCC | 2018-12-06 10:00 |
Okinawa | Miyako Island Hirara Port Terminal Bldg. | [Poster Presentation]
A Preliminary Study on the Use of Ultra-Wideband Systems for In-Vehicle Radio Communications Kotaro Ikeda (NICT/YAZAKI Corp.), Kenichi Takizawa, Huan-Bang Li (NICT), Tsuneto Kimura, Tadahide Kunitachi (YAZAKI Corp.), Fumihide Kojima (NICT) WBS2018-36 ITS2018-19 RCC2018-67 |
We have conducted measurement campaign on radio propagation in vehicles over frequency range of ultra wideband (UWB) sig... [more] | WBS2018-36 ITS2018-19 RCC2018-67 pp.53-54 |
| EMT, IEE-EMT | 2018-11-17 10:50 |
Tottori | Kaike Grand Hotel Tensui(Yonago, Tottori) | Directivity Characteristics of a Wire Antenna Combined Meanderline and Dipole Norimasa Nakashima, Soutaro Ishii, Takumi Sogabe (FIT) EMT2018-63 |
The authors focus on the array effect by increasing the number of turns for a rectangular loop antenna. The multi-turn... [more] |
EMT2018-63 pp.173-176 |
| AP | 2018-03-09 10:20 |
Gunma | Hotel Ichii (Kusatsu, Gunma) | A Study on Directivity of Array Antenna with Random Excitation Error Narihiro Nakamoto, Toru Fukasawa, Naofumi Yoneda (Mitsubishi Electric) AP2017-197 |
Directivity of an array antenna with random excitation errors is degraded from that without errors. In conventional mann... [more] | AP2017-197 pp.27-32 |
| AP, RCS (Joint) |
2017-11-08 15:20 |
Fukuoka | Fukuoka University | [Invited Lecture]
Optimum Directivity of MIMO Base Station Considering Blocking Objects in Street Cell Model Tsukasa Matsuta, Toshikazu Hori, Mitoshi Fujimoto (Univ.Fukui), Koshiro Kitao, Tetsuro Imai (NTT Docomo) AP2017-118 RCS2017-215 |
In next generation mobile communication system, street cells are formed by using an antenna of a base station located at... [more] | AP2017-118 RCS2017-215 pp.55-58(AP), pp.59-62(RCS) |
| AP | 2017-03-16 13:00 |
Iwate | Iwate Univ. | A Decoupling Method for 2 Elements MIMO Antennas using a Short Stub Takuya Miyasaka (Chiba Univ.), Hiroshi Sato (Panasonic Co.), Keita Kuriyama, Masaharu Takahashi (Chiba Univ.) AP2016-182 |
Recently, there is MIMO technology which is one of wireless technologies. This technology communicates in parallel by us... [more] | AP2016-182 pp.27-30 |
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