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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2024-03-15 13:00 |
Fukui | UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
A Study on K-factor estimation accuracy using momentum method for designing narrowband IoT communication system DR-IoT Naoki Ikeda, Motonari Imai, Takato Ikegame, Tetsushi Ikegami (Meiji Univ.), Susumu Ishihara (Shizuoka Univ.), Arata Kato, Syugo Kajita (スペースタイムエンジニアリング), Hiroshi Yamamoto (Ritsumeikan Univ.), Mineo Takai (Osaka Univ.)  AP2023-215 |
A versatile variable-range IoT communication system using the VHF-high band， Diversified-Range IoT (DR-IoT)is being cons... [more] | AP2023-215 pp.80-84 |
| OPE, OFT, OCS (Joint) [detail] |
2024-02-22 10:25 |
Okinawa | Nobumoto Ohama Memorial Hall (Primary: On-site, Secondary: Online) |
A Study on Figure of Merit of Low loss Hole-Assisted Single-Mode optical Fiber Kouhei Omoto, Nobutomo Hanzawa, Takashi Matsui, Kazuhide Nakajima (NTT) OFT2023-75 OPE2023-127 |
We have reported that the Hole-Assist (HA) structure with a small diameter core and a low refractive index difference co... [more] | OFT2023-75 OPE2023-127 pp.66-69(OFT), pp.107-110(OPE) |
| AP | 2024-02-16 10:00 |
Mie | Sinfonia Technology Hibiki Hall Ise (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Consideration of Equivalence between Omuni and Direction Antennain in mm-Waves Radio Environment Measurements Toshiki Hozen, Ryo Yamaguchi, Kazuma Tomimoto, Tomonori Ikeda (Softbank) AP2023-193 |
Omnidirectional antennas are frequently used in the propagation evaluation of radio environments, but their use in the m... [more] | AP2023-193 pp.34-38 |
| NC, MBE, NLP, MICT (Joint) [detail] |
2024-01-25 17:10 |
Tokushima | Naruto University of Education | Short-term prediction of a propagating flame in a Hele-Shaw cell using LSTM Taisuke Yamamoto, Kosuke Iizuka, Yusuke Nabae, Hiroshi Gotoda (TUS) NLP2023-119 MICT2023-74 MBE2023-65 |
(To be available after the conference date) [more] | NLP2023-119 MICT2023-74 MBE2023-65 pp.166-169 |
| OFT | 2023-10-12 10:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Estimating spatial resolution in BOCDR using Rayleigh scattering Keita Kikuchi, Ryo Inoue (SIT), Kouta Ozaki (YNU), Haruki Sasage (SIT), Yosuke Mizuno (YNU), Heeyoung Lee (SIT) OFT2023-21 |
To determine the spatial resolution of Brillouin optical correlation-domain reflectometry (BOCDR), the measurement of mo... [more] | OFT2023-21 pp.23-26 |
| MIKA (3rd) |
2023-10-11 14:30 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Field experiment on mobile radio propagation characteristics in the VHF-High band
-- Path loss and Fading characteristics -- Naoki Ikeda, Motonari Imai, Takato Ikegame, Tetsushi Ikegami (Meiji Univ.), Susumu Ishihara (Shizuoka Univ.), Hiroshi Yamamoto (Ritumeikan Univ.), Arata Kato, Syugo Kajita, Mineo Takai (STE) |
In the VHF-High band (207.5 MHz to 222 MHz), the DR-IoT (Diversified-Range/Disaster-Response IoT), a quasi-narrow-band w... [more] | |
| OFT, OCS, LSJ (Joint) [detail] |
2023-08-25 09:55 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Continuous time-domain measurement method of Rayleigh backscattered light Shiro Ryu (Meiji Univ.) OFT2023-13 |
We have proposed a method that enables continuous measurement of backscattered light from a specific point of an optical... [more] | OFT2023-13 pp.21-26 |
| QIT (2nd) |
2023-05-29 15:30 |
Kyoto | Katsura Campus, Kyoto University | Simultaneous estimation of the positions of two close incoherent optical point sources Masataka Kimizu, Fuyuhiko Tanaka, Akio Fujiwara (Osaka Univ.) |
Recently, the problem of estimating the positions of two optical point sources has been studied with applications to ast... [more] | |
| EMCJ, IEE-EMC, IEE-SPC | 2022-12-07 13:00 |
Aichi | Effect of Wall Vibration Amplitude on Vibrating Intrinsic Reverberation Chamber Characteristics Makoto Hara (KHI/NIT), Jianqing Wang (NIT) EMCJ2022-66 |
The reverberation chamber (RVC) method using a reverberation chamber that can generate random electromagnetic fields is ... [more] | EMCJ2022-66 pp.18-22 |
|
| ITE-BCT, OCS, IEE-CMN, OFT | 2022-11-11 10:10 |
Miyagi | Forest-Sendai (Primary: On-site, Secondary: Online) |
Observation of Rayleigh scattering by simplified optical correlation-domain reflectometry Tomoya Miyamae, Guangtao Zhu, Takaki Kiyozumi (YNU), Kohei Noda (Tokyo Tech/YNU), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech/YNU), Yosuke Mizuno (YNU) OFT2022-39 |
Recent rapid growth of optical fiber communication has led to a significant demand for health monitoring technology of o... [more] | OFT2022-39 pp.11-14 |
| OFT | 2022-10-13 09:30 |
Kanagawa | Kanagawa-Kenmin Center (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Dynamic strain measurement by OFDR employing high-speed wavelength-swept laser Ryota Ogu, Daiki Tanimura, Chao Zhang, Fumihiko Ito (Shimane Univ.), Yuichi Yoshimura, Hiroyuki Aoshika, Michio Imai (KAJIMA) OFT2022-23 |
We constructed an optical frequency domain reflectometry using a broadband, high-speed wavelength swept laser with a MEM... [more] | OFT2022-23 pp.20-24 |
| MICT, WBS | 2022-07-25 10:55 |
Okayama | Okayama Prefectural University | [Poster Presentation]
Consideration of Fading Characteristics on Field Propagation Measurements of 920MHz band and 220MHz band Naoki Ikeda, Motonari Imai, Takato Ikegame, Tetsushi Ikegami (Meiji Univ.) WBS2022-24 MICT2022-24 |
In recent years, damages caused by natural disasters have become a social problem. We are studying a Disaster Response I... [more] | WBS2022-24 MICT2022-24 pp.41-46 |
| OPE, OFT, OCS (Joint) [detail] |
2022-02-24 15:05 |
Online | Online | [Invited Talk]
Suppression of Rayleigh scattering loss in silica glass by hot-compression
-- The role of structural voids in silica glass -- Madoka Ono (Hokkaido Univ.) OCS2021-41 OPE2021-52 |
Optical losses in silica glass fibers remain a challenge in their applications. The main contributor to optical attenuat... [more] | OCS2021-41 OPE2021-52 pp.1-4(OCS), pp.17-20(OPE) |
| EA, US (Joint) |
2021-12-22 15:50 |
Kumamoto | Sojo University | [Poster Presentation]
Study on the intensity of Rayleigh and Brillouin scattering in liquids Shuto Inamoto, Keita Yano, Mami Matsukawa (Doshisha Univ.) US2021-56 |
The Landau-Placzek ( L-P ) ratio can be estimated from the intensity ratio of Brillouin and Rayleigh scatterings. This L... [more] | US2021-56 pp.47-50 |
| OFT | 2021-10-14 10:30 |
Online | Online | [Poster Presentation]
Attempt to optimize delay fiber length in BOCDR Mana Sakamoto, Haruki Sasage (SIT), Kohei Noda (Tokyo Tech/YNU), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU), Heeyoung Lee (SIT) OFT2021-26 |
Brillouin optical correlation-domain reflectometry (BOCDR) is known as a distributed strain and temperature sensing tech... [more] | OFT2021-26 pp.19-22 |
| OFT, OCS, LSJ (Joint) [detail] |
2021-08-26 14:45 |
Online | Online | A method for continuously measuring backscattered light at an arbitrary point on an optical fiber Shiro Ryu (Meiji Univ.), Takafumi Tsuboya (SECOM) OFT2021-14 |
We have proposed a continuous measurement method for Rayleigh backscattered light in the time domain at any point on the... [more] | OFT2021-14 pp.13-18 |
| RCS | 2021-06-25 14:00 |
Online | Online | A Theoretical Study on Suboptimal Joint Transmit-Receive Diversity In Correlated Rayleigh Fading Channels Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2021-73 |
Joint transmit-receive diversity (JTRD) jointly optimizes transmitter and receiver diversity weight vectors to maximize ... [more] | RCS2021-73 pp.255-260 |
| IT | 2020-12-03 14:20 |
Online | Online | Outage Probabilities of Three-Node Bidirectional Relay Systems with Finite Block-Length Transmission over Rayleigh Fading Channels Masaya Kambara, Tomotaka Kimura, Jun Cheng (Doshisha Univ.) IT2020-56 |
Outage probabilities of three-node bidirectional relaying systems over quasi-state Rayleigh channels with finite-blockle... [more] | IT2020-56 pp.171-176 |
| US | 2020-08-26 15:20 |
Online | Online | Accuracy evaluation of liver fibrosis estimation based on multi-Rayleigh model with two components considering the effect of lateral resolution Chuang Zhang, Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech.) US2020-25 |
We have been developing a quantitative estimation method of liver fibrosis using multi-Rayleigh model to express a proba... [more] | US2020-25 pp.27-32 |
| AP | 2020-02-21 11:25 |
Shizuoka | Shizuoka Univ. Hamamatsu Campus | Random Walk and Wave Propagation Yoshio Karasawa AP2019-190 |
While doing a random walk, we visit some basic probability distributions that appear in radio wave propagation models. R... [more] | AP2019-190 pp.53-57 |
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