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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMCJ | 2023-06-09 09:40 |
Hokkaido | Otaru Chamber of Commerce & Industry (Primary: On-site, Secondary: Online) |
Characteristics of Human Body Shadowing Considering Elevation Angle in 5G Frequency Band for Epidemiological Research on RF Exposure and Children's Health Sakura Tsuruga, Kaito Sugimura, Takashi Hikage, Manabu Omiya, Keiko Yamazaki, Chihiro Miyashita, Naomi Tamura, Atsuko Ikeda, Reiko Kishi (Hokkaido Univ.)  EMCJ2023-13 |
With the spread of smartphones and other wireless devices, and declining age of starting use these devices, the opportun... [more] | EMCJ2023-13 pp.5-8 |
| EMCJ | 2023-01-27 13:10 |
Okayama | WASHU BLUE RESORT (Primary: On-site, Secondary: Online) |
Estimation of Human Blockage Characteristics for Indoor Propagation in a Local-5G Frequency Band Using Large Scale FDTD Analysis Kazuki Yoshida, Takashi Hikage, Manabu Omiya (Hokkaido Univ.) EMCJ2022-82 |
Local 5G, the fifth-generation mobile communication system (5G) that companies and local governments can construct flexi... [more] | EMCJ2022-82 pp.56-59 |
| PEM (Workshop) |
2021-11-29 - 2021-11-30 |
Hokkaido | Hokkaido Univ. (Hybrid by remote) (Primary: On-site, Secondary: Online) |
Numerical Estimation of Indoor Propagation Characteristics Considering Shadowing due to Human Bodies in Local-5G Frequency Band Kazuki Yoshida, Takashi Hikage, Manabu Yamamoto, Manabu Omiya (Hokkaido Univ.) |
This study focuses on human body shadowing on the propagation characteristics of local-5G frequency bands in indoor envi... [more] | |
| MIKA (3rd) |
2021-10-28 10:30 |
Okinawa | (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Numerical Estimation of Indoor Propagation Characteristics Considering Shadowing due to Human Bodies in Local-5G Frequency Band Kazuki Yoshida, Takashi Hikage, Manabu Yamamoto, Manabu Omiya (Hokkaido Univ.) |
This study focuses on human body shadowing on the propagation characteristics of local-5G frequency bands in indoor envi... [more] | |
| AP, SANE, SAT (Joint) |
2021-07-30 14:30 |
Online | Online | [Invited Lecture]
Visibility Analysis in a Human Body Shadowing Environment and Distributed Antenna Installations for Millimeter and Terahelz Wave Mobile Communications Naoki Kita, Yushi Shirato, Daisei Uchida (NTT), Koji Yamamoto (Kyoto Univ.) AP2021-45 |
Development ofmmWave or higher frequency bands where rich frequency bandwidth resources are available is widely discusse... [more] | AP2021-45 pp.120-125 |
| MW, AP (Joint) |
2020-09-24 13:50 |
Online | Online | [Poster Presentation]
Investigation of Fading Correlation Characteristics Considering Human Body Shadowing Takato Akiyama, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2020-53 |
It has become popular to use communication terminals such as mobile phones or PC in an indoor environment where human bo... [more] | AP2020-53 pp.94-95 |
| SRW | 2019-08-19 10:50 |
Aichi | Tanzan University | An Evaluation of Human Body Shadowing Effect on UWB Signals Ken-ichi Koga, Yoshiki Oishi, Satoshi Mori, Kazuki Naiki, Hiroaki Iwashita (Tokai Rika) SRW2019-16 |
In recent years, impulse radio ultra-wideband (IR-UWB) communication of an impulse radio (Impulse Radio) system has attr... [more] | SRW2019-16 pp.19-23 |
| AP, SANE, SAT (Joint) |
2018-07-19 15:25 |
Hokkaido | Hokkaido Univ. | Characterization of Human Body Shadowing Loss at 2.5 GHz and 5.8 GHz in an Indoor Environment Santiago Perez-Pena (UPM), Yuki Ito, Kai Yoshida, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ.) AP2018-57 |
The Human Body Shadowing (HBS) loss is evaluated, through the frequencies, 2.5 GHz and 5.8 GHz, comparing HBS' width (Ws... [more] | AP2018-57 pp.91-94 |
| AP | 2018-05-18 13:50 |
Kumamoto | Kumamoto Univ. | A study on correlated path shadowing model based on experimental data Yusuke Kimura, Nobuaki Yanase, Yusuke Tamazawa, Tokio Taga (Kwansei Gakuin Univ.) AP2018-31 |
In the research of polarization MIMO antennas, various studies have been carried out in the assumption that there is no ... [more] | AP2018-31 pp.99-104 |
| AP | 2017-08-24 11:00 |
Hokkaido | National Institute of Technology, Hakodate College | Dependence on Antenna Height of Human Body Shadowing Loss in an Indoor Environment Yuki Ito, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ.) AP2017-71 |
We have considered an indoor environment where line-of-sight between transmitting and received antennas is shadowed by h... [more] | AP2017-71 pp.19-22 |
| 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 |
| MW | 2014-12-18 17:05 |
Tokyo | Aoyama Gakuin Univ. Aoyama Campus | One State Transition Model of Indoor Millimeter Wave Propagation Channel Considering Human Body Shadowing and Mobile Terminal Pham Kinh Hung, Jun-ichi Takada (Tokyo Inst. of Tech.) MW2014-164 |
Recently, with the explosive spread of mobile communication, the demand for wireless access systems that have speed of g... [more] | MW2014-164 pp.87-90 |
| AP, SAT (Joint) |
2014-07-25 15:35 |
Gifu | Gero Citizen Hall | Cluster Power Variation Estimation Method in Crowded Indoor Propagation Environment Kentaro Saito, Tetsuro Imai, Koshiro Kitao, Yukihiko Okumura (NTT DOCOMO) AP2014-70 SAT2014-23 |
In recent years, MIMO channel models for the crowded areas such as indoor offices, shops, and outdoor hot spot environme... [more] | AP2014-70 SAT2014-23 pp.125-130(AP), pp.63-68(SAT) |
| AP (2nd) |
2014-05-15 - 2014-05-16 |
Ishikawa | The Kanazawa Theatre | Evaluation of Shadowing by a Human Body at High Frequency Bands using UTD
-- Radio Wave Propagation Technology for Future Radio Access and Mobile Optical Network -- Ngochao Tran, Tetsuro Imai, Yukihiko Okumura (NTTDocomo) |
The small cells, which allow to transmit data with high bit rate and use very high frequency bands (over 6 GHz) have bee... [more] | |
| AP | 2014-03-11 15:25 |
Fukushima | Koriyama City Rodo Fukushi Kaikan | Fading Characteristics in the SHF Band Indoor Quasi-static Environment Kentaro Saito, Tetsuro Imai, Ngochao Tran, Yukihiko Okumura (NTT DOCOMO) AP2013-201 |
The user traffic volume in the cellular network has been growing rapidly due to the spreads of smart phones and various ... [more] | AP2013-201 pp.93-98 |
| RCS, SR, SRW (Joint) |
2014-03-04 09:15 |
Tokyo | Waseda Univ. | Experimental investigation of shadowing characteristics due to human body in 60GHz band WLAN Ting Wang, Tomofumi Ono, Masahiro Umehira, Shigeki Takeda, Teruyuki Miyajima, Kenichi Kagoshima (Ibaraki Univ) SRW2013-45 |
Received signal power is drastically faded due to severe shadowing by human in 60GHz WLAN(Wireless LAN) and throughput p... [more] | SRW2013-45 pp.7-11 |
| AP | 2014-01-24 11:20 |
Kagoshima | Hozan Hall (Kagoshima Prefectural Culture Center) | Experimental Study on Channel Properties in the 2GHz Band in Crowded Urban Small-Cell Environment Kentaro Saito, Tetsuro Imai, Ngochao Tran, Yukihiko Okumura (NTT DOCOMO) AP2013-163 |
Owing to the wide spread of Long Term Evolution (LTE), the capacity of cellular system has increased. However the user t... [more] | AP2013-163 pp.169-174 |
| AP | 2013-01-25 15:15 |
Miyazaki | Hotel Merieges (Miyazaki City) | Numerical Examination on Propagation Loss Properties for Propagation Distance and Passerby Density in Case People exist between Transmitter and Receiver Naoki Uchinuno, Chiharu Tomonaga, Mitsuhiro Yokota, Kazuhisa Shiiya (Univ. of Miyazaki), Yoshichika Ohta, Teruya Fujii (Softbank Telecomm) AP2012-154 |
In cellular mobile communications, the number of customers who use cellular phones indoors is rapidly increasing. Many... [more] |
AP2012-154 pp.173-176 |
| AP, RCS (Joint) |
2011-11-16 13:00 |
Aichi | Nagoya Congress Center | Examination Based on Numerical Technique of Propagation Loss Properties in Case Human Bodies Exist Between Transmitter and Receiver Chiharu Tomonaga, Mitsuhiro Yokota (Univ. of Miyazaki), Yoshichika Ohta, Teruya Fujii (Softbank Telecom) AP2011-95 |
In cellular mobile communications, the number of customers who use cellular phones indoors is rapidly increasing. Man... [more] |
AP2011-95 pp.37-40 |
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