Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SAT, MICT, WBS, RCC (Joint) [detail] |
2024-05-16 16:10 |
Miyazaki |
KITEN Convention hall (Miyazaki) (Primary: On-site, Secondary: Online) |
A Study on Frequency Scaling of Rain Attenuation by Simultaneous Measurement of Ka-band and Ku-band Satellite Beacon Signals Yasuyuki Maekawa (Osaka Electro-Commun. Univ.), koichi Harada, Junichi Abe, Fumihiro Yamashita (NTT) |
(To be available after the conference date) [more] |
|
AP |
2024-04-11 13:50 |
Hyogo |
KOBE PORT OASIS (Primary: On-site, Secondary: Online) |
Statistics of the maximum rainfall for N years in Japan Yoshio Karasawa AP2024-3 |
We investigate the statistical properties of extreme rainfall data (annual maximum values) in Japan. This report is a se... [more] |
AP2024-3 pp.13-18 |
SAT, SANE (Joint) |
2024-02-09 10:45 |
Kagoshima |
AmaHome PLAZA (Amami City Shimin Koryu Center) (Primary: On-site, Secondary: Online) |
A study on the rain attenuation statistics using the different Ku-band satellite signals measured at multiple locations Yasuyuki Maekawa (Osaka Electro-Commun. Univ.), Koichi Harada, Junichi Abe, Fumihiro Yamashita (NTT) SAT2023-71 |
The signal levels of Ku-band BS broadcast radio wave and JCSAT-5A beacon radio wave have been simultaneously measured at... [more] |
SAT2023-71 pp.63-68 |
AP |
2023-10-19 10:00 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Study on Prediction Accuracy against Resolution of Input Data in Rain Attenuation Prediction Model using Deep Learning Yuji Komatsuya, Tetsuro Imai (TDU), Miyuki Hirose (Kyutech) AP2023-87 |
Recently, the practical application of NTN (Non-Terrestrial-Network) using HAPS (High Altitude Platform Station) as the ... [more] |
AP2023-87 pp.1-6 |
AP, SANE, SAT (Joint) |
2023-07-13 11:40 |
Hokkaido |
The Citizen Activity Center (Primary: On-site, Secondary: Online) |
Development of Extreme Coverage Communication System Extended by Non-Terrestrial Network (NTN)
-- Evaluation of 2GHz-Band Interference Avoidance and Rain Attenuation Compensation Technology Actualizing HAPS Communication System -- Yuto Muroki, Yuki Hokazono, Hinata Kohara, Kenji Fukasawa (NTT DOCOMO), Hisayoshi Kano, Munehiro Matsui, Junichi Abe, Fumihiro Yamashita (NTT) SAT2023-19 |
We are focusing on the provision of communication areas from the sky by satellites and High-Altitude Platform Stations (... [more] |
SAT2023-19 pp.53-58 |
AP, SANE, SAT (Joint) |
2023-07-13 12:00 |
Hokkaido |
The Citizen Activity Center (Primary: On-site, Secondary: Online) |
Development of extreme coverage communication system extended by Non-Terrestrial Network (NTN)
-- Evaluation of routing method in transparent relay -- Hisayoshi Kano, Munehiro Matsui, Jun-ichi Abe, Fumihiro Yamashita (NTT), Yuki Hokazono, Hinata Kohara, Kenji Fukasawa (NTT DOCOMO) SAT2023-20 |
NTT has been proposing an IOWN space integrated computing network concept. We focus on coverage extension using non-terr... [more] |
SAT2023-20 pp.59-64 |
MICT, WBS, RCC, SAT (Joint) [detail] |
2023-05-26 09:25 |
Tokyo |
TOKYO BIG SIGHT (Primary: On-site, Secondary: Online) |
A study on the rain attenuation duration characteristics using the different Ku-band satellite signals measured at multiple locations Yasuyuki Maekawa (Osaka Electro-Commun. Univ.), Koichi Harada, Junichi Abe, Fumihiro Yamashita (NTT Corporation) SAT2023-5 MICT2023-5 |
The signal levels of Ku-band BS broadcast radio waves and JCSAT-5A beacon radio waves have been simultaneously measured ... [more] |
SAT2023-5 MICT2023-5 pp.20-25 |
RCS |
2023-04-13 13:45 |
Shimane |
Matsue New Urban Hotel, and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Development of millimeter-wave wireless communication systems for the Tokaido Shinkansen Yoshihiro Matsumura, Takeshi Nishiyama, Tomoyuki Tange, Eishi Sasaki (JR-Tokai), Hiroyuki Igura, Tomoki Arakawa (NEC), Yukitoshi Sanada (Keio-U) RCS2023-6 |
The Tokaido Shinkansen uses digital LCX train radio for communication between control center and train crews. We have be... [more] |
RCS2023-6 pp.26-31 |
SANE, SAT (Joint) |
2023-03-03 09:50 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Estimation of Rain rate by Machine Learning Using Radio Wave Attenuation of 12GHz Band Satellite Broadcasting Yutaka Nakagawa, Takeshi Higashino, Minoru Okqada (NAIST) SAT2022-72 |
In this paper, we estimate rain rate near the ground surface from the observation of power attenuation due to rain rate ... [more] |
SAT2022-72 pp.93-96 |
AP |
2023-02-17 11:25 |
Miyagi |
Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
Study on Switching Decision Accuracy of HAPS Site Diversity Based on Predicted Rain Attenuation by Deep Learning Yuji Komatsuya, Tetsuro Imai (TDU), Miyuki Hirose (Kyutech) AP2022-224 |
Recently, It is actively to be studied for practical application of HAPS which is the next-generation platforms. It is n... [more] |
AP2022-224 pp.151-156 |
SR, UWT (Joint) |
2023-01-27 11:30 |
Tokyo |
Takanawa Campus, Tokai Univ. (Primary: On-site, Secondary: Online) |
[Invited Talk]
Development of wireless communication devices and antennas for the Tokaido Shinkansen Yoshihiro Matsumura, Tomoyuki Tange, Takeshi Nishiyama, Eishi Sasaki (JR-Central), Kengo Nishimoto, Hiroyuki Akutsu (Mitsubishi Electric), Hiroyuki Igura, Tomoki Arakawa (NEC), Yukitoshi Sanada (Keio) SR2022-77 |
This paper outlines the development process of a new type of electrostatic antenna and millimeter-wave train radio for t... [more] |
SR2022-77 pp.28-34 |
AP |
2022-10-20 14:00 |
Gifu |
GIFU CITY CULTURE CENTER (Primary: On-site, Secondary: Online) |
A Study on Rain Attenuation Prediction Method by Deep Learning 2
-- Error Characteristics -- Yuji Komatsuya, Tetsuro Imai (TDU), Miyuki Hirose (Kyutech) AP2022-141 |
Recently, the frequency used in wireless systems has got higher significantly, such as B5G (6G), HAPS, etc., and the imp... [more] |
AP2022-141 pp.211-215 |
SIS, ITE-BCT |
2022-10-14 10:45 |
Aomori |
Hachinohe Institute of Technology (Primary: On-site, Secondary: Online) |
High efficient satellite communication with ACM complying with precipitation amount Amane Miyamoto, Yosuke Sugiura, Nozomiko Yasui, Tetsuya Shimamura (Saitama Univ.) SIS2022-18 |
In satellite communications, the increase in rainfall attenuation followed by the use of high frequencies has become an ... [more] |
SIS2022-18 pp.39-43 |
SAT, KOSST |
2022-10-06 16:05 |
Fukuoka |
(Primary: On-site, Secondary: Online) |
Recent increase in rain attenuation statistics of Ku-band satellite communications links and its relation to the climate change Shoya Funo, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2022-47 |
Rain attenuation statistics of the Ku-band BS radio wave (11.84 GHz) measured over 30 years at Osaka Electro-Communicati... [more] |
SAT2022-47 pp.16-19 |
SAT, KOSST |
2022-10-06 16:55 |
Fukuoka |
(Primary: On-site, Secondary: Online) |
A study on Site Diversity Effect between Different Satellites using Rain Attenuation Characteristics of Ku-band Satellite Communication Links Yasuyuki Maekawa (Osaka Electro-Commun. Univ.), Koichi Harada, Junichi Abe, Fumihiro Yamashita (NTT) SAT2022-48 |
The signal levels of Ku-band BS broadcast radio waves and JCSAT-5A beacon radio waves have been simultaneously measured ... [more] |
SAT2022-48 pp.20-24 |
SAT, RCS (Joint) |
2022-08-25 16:15 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
[Encouragement Talk]
Study on Error Correction in IP network to Compensate for Rain Attenuation in 21-GHz band Satellite Broadcasting Yuki Koizumi, Yoichi Suzuki, Tomoya Kusunoki, Kazunori Yokohata (NHK) SAT2022-36 |
We are developing a diverse reception system (DRS) which compensates for the rain attenuation in 21-GHz band by recoveri... [more] |
SAT2022-36 pp.42-47 |
SAT, RCS (Joint) |
2022-08-25 16:40 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
[Encouragement Talk]
Development of extreme coverage communication system extended by Non-Terrestrial Network(NTN)
-- UE availability evaluation during rainfall -- Hisayoshi Kano, Munehiro Matsui, Jun-ichi Abe (NTT), Yuki Hokazono, Hinata Kohara, Yoshihisa Kishiyama (NTTdocomo), Fumihiro Yamashita (NTT) SAT2022-37 |
NTT has been proposing an IOWN space integrated computing network concept. We focus on coverage extension using non-terr... [more] |
SAT2022-37 pp.48-53 |
AP, SANE, SAT (Joint) |
2022-07-27 09:25 |
Hokkaido |
Asahikawa Taisetsu Crystal Hall (Primary: On-site, Secondary: Online) |
[Invited Lecture]
A Study of Rain Attenuation Prediction Method by Deep Learning Yuji Komatsuya, Tetsuro Imai (TDU), Miyuki Hirose (Kyutech) AP2022-34 |
Recently, the frequency used in wireless systems has got higher significantly, such as B5G, HAPS, etc., and the importan... [more] |
AP2022-34 pp.1-5 |
RCS, NS (Joint) |
2021-12-16 13:00 |
Nara |
Nara-ken Bunka Kaikan and Online (Primary: On-site, Secondary: Online) |
Performance Evaluation of SC-FDE Considering Radiation Pattern in Millimeter-wave and Terahertz Broadband Communications Yuto Oyamada, Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Keita Kuriyama, Yu Ono, Hayato Fukuzono, Masafumi Yoshioka (NTT), Fumiaki Maehara (Waseda Univ.) RCS2021-178 |
With the growing demand for wireless mobile services and the development of fifth- and sixth-generation mobile communica... [more] |
RCS2021-178 pp.19-23 |
AP |
2021-10-07 09:00 |
Online |
Online |
[Tutorial Lecture]
A Study on the Measurement and Estimation Methods of Rain Attenuation Characteristics in Satellite Communications Links Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) AP2021-68 |
Rain attenuation characteristics of Ka and Ku band satellite communication links are presented using the domestic CS (19... [more] |
AP2021-68 pp.1-6 |