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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, RCS (Joint) |
2023-11-15 13:00 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
Study of Single Point-Fed Wi-Fi 2GHz/5GHz Band Shared Antenna Using MACKEY A-Shaped Structure Hayato Ide, Shigeru Makino (KIT)  AP2023-133 |
MACKEY (Meta-surface inspired Antenna Chip developed by KIT EOE Laboratory) has been proposed as a functional compact an... [more] | AP2023-133 pp.22-26 |
| AP | 2023-05-11 13:00 |
Okinawa | Okinawa Gender Equality Center (Primary: On-site, Secondary: Online) |
Study and evaluation of MACKEY broadbanding model using inverted-F antennas as feeding elements Hayato Ide, Kiichi Wakayama, Shigeru Makino (KIT) AP2023-11 |
MACKEY (Meta-surface inspired Antenna Chip developed by KIT EOE Laboratory) has been proposed as a functional compact an... [more] | AP2023-11 pp.19-23 |
| AP, MW (Joint) |
2022-09-16 11:35 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Study of Unbalanced MACKEY using Inverted F Antenna as feed element Kota Hakamata, Keito Yokoe, Kichi Wakayama, Hayato Ide, Shigeru Makino (KIT) AP2022-87 |
A functional small antenna “MACKEY” basic type operates not only in free space but also on metal. MACKEY broadband type ... [more] | AP2022-87 pp.90-95 |
| RCS | 2022-04-21 14:55 |
Osaka | Osaka University, and online (Primary: On-site, Secondary: Online) |
The method of using reflectors for expansion of communication area of the Millimeter-wave train radio Taiki Shirai, Tomoyuki Tange, Yoshihiro Matsumura (JR Central), Hiroyuki Igura, Tomoki Arakawa (NEC) RCS2022-5 |
The Tokaido Shinkansen will use the millimeter-wave system, which enables large-capacity communication, as the next trai... [more] | RCS2022-5 pp.18-23 |
| AP | 2022-03-11 09:30 |
Online | Online | Examination of Estimation Algorithm for Transmitter Localization Based on Indoor DOA Estimation at 2.4 G/5 GHz Band Mayumi Yoshino, Doppo Sugimura (Dengyo) AP2021-193 |
With the spread of IoT (Internet of Things) technology, intelligent propagation path control technology that suppresses ... [more] | AP2021-193 pp.62-66 |
| RCS, IN, NV (Joint) |
2021-05-28 10:40 |
Online | Online | Propagation Measurement and Communication Experiments using WLAN Devices for Constructing an Information Collection System in the Factory Environment Kotaro Ikeda, Takuto Kurose, Kensuke Matsui (YAZAKI), Yasuyuki Yanagi (YAZAKI ES), Tadahide Kunitachi (YAZAKI), Hirokazu Sawada, Kazuo Ibuka, Takeshi Matsumura, Fumihide Kojima (NICT) RCS2021-24 |
In this paper, we conducted radio wave propagation measurement and communication experiments using WLAN devices in an op... [more] | RCS2021-24 pp.47-52 |
| 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 |
| RCS, AP, UWT (Joint) |
2020-11-27 16:05 |
Online | Online | Human Blockage Loss Characteristics of 5 GHz in A Crowded Stadium Motoharu Sasaki, Toshiro Nakahira, Keisuke Wakao, Takatsune Moriyama (NTT) AP2020-94 |
This paper reports on human body blockage loss characteristics based on measurement results under unoccupied and crowded... [more] | AP2020-94 pp.112-117 |
| AP | 2020-02-20 13:55 |
Shizuoka | Shizuoka Univ. Hamamatsu Campus | [Invited Lecture]
Examination for Wireless Area Construction in Aircraft Mayumi Yoshino, Doppo Sugimura, Akira Maruyama, Kenji Okubo (Dengyo) AP2019-182 |
We are considering the construction of wireless area for cabin attendants in Airbus A380–800, the world’s largest and th... [more] | AP2019-182 pp.7-11 |
| NS, NWS (Joint) |
2020-01-24 13:25 |
Okinawa | A WLAN Channel Assignment Method Based on DFS Occurrence Pattern Analysis in 5GHz Radar Band Takayoshi Nakayama, Hiroshi Fujita, Hiroaki Arai (Fujitsu Laboratories Ltd.) NS2019-169 |
In a wireless LAN (WLAN) system using the 5GHz band, a dynamic frequency selection (DFS) by radar interference causes a ... [more] | NS2019-169 pp.49-54 |
|
| MW, ICD | 2019-03-14 11:20 |
Okinawa | High power microwave impedance real-time measurement system Asako Suzuki (Adamant Namiki), Kaiji Nakahara, Motoaki Miyazaki, Naoki Ejima, Naoki Sakai, Satoshi Tsukamoto, Takashi Ohira (Toyohashi Univ. Tech.) MW2018-159 ICD2018-103 |
We propose a compact RF high power real-time reflection coefficient measurement system. This system consists of four par... [more] | MW2018-159 ICD2018-103 pp.19-22 |
|
| 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 |
| WPT (2nd) |
2017-03-25 | Aichi | Meijo Univ. | Design and Experiments of Low-Cost 6.78MHz Rectifier Circuits Gao Xianhe, Lu Jun, Huang Jiaxu, Sun Borui, Zhang Xinlei (Hefei Univ.) |
The design of this article is composed of a single diode rectifier half wave rectifier circuit; the input signal is 50 o... [more] | |
| WPT (2nd) |
2017-03-25 | Aichi | Meijo Univ. | Design and Experiments of Low-Cost 2.45GHz Rectifier Circuits Gao Xianhe, Lu Jun, Huang Jiaxu, Sun Borui, Zhang Xinlei (Hefei Univ.) |
The design of this article is composed of a single diode rectifier half wave rectifier circuiT; the input signal is 50 o... [more] | |
| RCS | 2016-06-23 14:50 |
Okinawa | Univ. of the Ryukyus | Experimental Evaluation for 26GHz Band under a Crowded Indoor Environment Masashi Iwabuchi, Toshiyuki Shintaku, Mizuki Suga, Takeshi Onizawa, Tetsu Sakata, Masashi Nakatsugawa (NTT) RCS2016-70 |
This report describes the experimental performance of higher-frequency bands which is expected to apply to future wirele... [more] | RCS2016-70 pp.141-146 |
| AP | 2016-03-10 14:10 |
Yamanashi | Isawa Onsen (Kanpo no Yado) | Prediction formula of propagation loss in a dense human body shadowing environment in 5GHz wireless communications Keisuke Hokai, Hisato Iwai (Doshisha Univ.), Hiroyuki Shinbo (ATR), Tomoki Sada, Shingo Watanabe (KDDI R&D Labs.) AP2015-210 |
This paper presents an estimation formula of propagation loss in 5GHz band with dense human body shadowing in an urban a... [more] | AP2015-210 pp.37-42 |
| SR, SRW (Joint) |
2015-10-27 09:30 |
Tokyo | KKE | [Technology Exhibit]
Measurement Studies of Communication Quality between UAV and Ground Station using 802.11 Wireless Channels Ayano Ohnishi, Yoshimi Fujii, Fumiko Ohori (KKE), Jiro Katto, Rintaro Harada, Sakiko Takenaka (Waseda Univ.) SR2015-58 SRW2015-39 |
To improve wireless communication quality between an UAV (unmanned aerial vehicle) and a ground station, especially for ... [more] | SR2015-58 SRW2015-39 pp.43-48 |
| AP | 2015-07-31 10:55 |
Hokkaido | Wakkanai Sougou Bunka Center | Evaluation of Wireless Area by Ray Tracing Method at 3.5GHz Band
-- On Beam Tilting Effect -- Mayumi Yoshino, Yoshio Ebine, Asuka Nishizaka (Dengyo) AP2015-53 |
In 4th generation mobile communication systems, wireless area by a base station antenna takes the form of small wireless... [more] | AP2015-53 pp.77-82 |
| AP | 2015-05-21 13:00 |
Nara | Naraken Shakai Fukushi Sougou Center (Kashihara City) | Evaluation of Wireless Area by Ray Tracing Method at 3.5GHz Band
-- Effect of Antenna Pattern by Base Station Antenna Height -- Mayumi Yoshino, Yoshio Ebine, Asuka Nishizaka (Dengyo) AP2015-19 |
In 4th generation mobile communication systems, wireless area by a base station antenna takes the form of small wireless... [more] | AP2015-19 pp.1-6 |
| RCS | 2014-10-17 10:10 |
Kanagawa | Keio Univ. | A Field Experiment on Dual Connectivity for Small Cell Deployments using 3.5 GHz Band (2) Toshiyasu Wakayama (KDDI), Noriyuki Hashimoto (KDDI Labs.), Hiroki Takeda, Xiaoqiu Wang, Akira Matsunaga, Teruhiko Honda, Ryuji Ota (KDDI), Kazuhide Toda, Yasuhiro Suegara (KDDI Labs.) RCS2014-180 |
It is assumed that higher frequency bands, such as 3.5 GHz band, compared to widely used frequency bands for cellular ne... [more] | RCS2014-180 pp.135-140 |
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