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) |
[more] |
|
RCS, SR, SRW (Joint) |
2024-03-13 17:05 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
CRDSA/IRSA Based Adaptive Transmission Control Considering Available Channels Difference among Terminals in Satellite IoT Systems Kansuke Kumazawa, Hiraku Okada (Nagoya Univ.), Koyo Tategami, Daisuke Goto, Munehiro Matsui, Kiyohiko Itokawa, Fumihiro Yamashita (NTT), Masaaki Katayama (Nagoya Univ.) RCS2023-268 |
[more] |
RCS2023-268 pp.83-88 |
SAT, SANE (Joint) |
2024-02-08 14:40 |
Kagoshima |
AmaHome PLAZA (Amami City Shimin Koryu Center) (Primary: On-site, Secondary: Online) |
MEC content exchange control to reduce traffic on feeder link in non-terrestrial networks. Munehiro Matsui, Kano Hisayoshi, Junichi Abe (NTT), Yuki Hokazono, Atsushi Minokuchi, Kenji Fukasawa (NTT docomo), Fumihiro Yamashita (NTT) SAT2023-64 |
This paper presents a study of reducing traffic flowing on a feeder link in NTN using multi-access edge computing (MEC).... [more] |
SAT2023-64 pp.27-32 |
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 |
RCS |
2023-10-20 11:50 |
Kagawa |
Kagawa University (Saiwai-cho Campus), and online (Primary: On-site, Secondary: Online) |
Development of Extreme Coverage Communication System Extended by Non-Terrestrial Network (NTN)
-- Evaluation of 2-GHz Band Interference between HAPS and Ground Systems in Several Frequency Modes -- Yuto Muroki, Yuki Hokazono, Hinata Kohara, Atsunori Shimamura, Kenji Fukasawa (NTT DOCOMO), Hisayoshi Kano, Munehiro Matsui, Junichi Abe, Fumihiro Yamashita (NTT) RCS2023-144 |
We are focusing on the provision of communication areas from the sky by satellites and High-Altitude Platform Stations (... [more] |
RCS2023-144 pp.79-84 |
SAT, KOSST |
2023-10-11 11:15 |
Overseas |
Central Hotel Marianne(Korea, Busan) (Primary: On-site, Secondary: Online) |
An Advanced Proposal for the On-orbit Practical Experiment of LEO Satellite MIMO for 920MHz band IoT Sensing Platform Kiyohiko Itokawa, Daisuke Goto, Yasuyoshi Kojima, Kouhei Suzaki, Kazumitsu Sakamoto, Yousuke Fujino, Fumihiro Yamashita (NTT), Chihaya Kato, Mitsuhiro Nakadai, Masanobu Yajima (JAXA) SAT2023-55 |
[more] |
SAT2023-55 pp.39-44 |
RCS, SAT (Joint) |
2023-08-31 09:00 |
Nagano |
Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
CRDSA/IRSA Based Transmission Control Considering Available Channels Difference and Fairness among Terminals in Satellite IoT Systems Kansuke Kumazawa, Hiraku Okada (Nagoya Univ.), Munehiro Matsui, Koyo Tategami, Daisuke Goto, Kiyohiko Itokawa, Fumihiro Yamashita (NTT), Masaaki Katayama (Nagoya Univ.) SAT2023-33 |
(To be available after the conference date) [more] |
SAT2023-33 pp.1-6 |
RCS, SAT (Joint) |
2023-08-31 09:25 |
Nagano |
Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
Capacity Evaluation for IoT Terminals in LEO Satellite IoT Platform Using Receiver Beamforming with Doppler Rate Compensation Kazumitsu Sakamoto, Masaki Takahashi, Kouhei Suzaki, Yosuke Fujino, Kenji Suzuki, Yasuyoshi Kojima, Kiyohiko Itokawa, Fumihiro Yamashita (NTT) SAT2023-34 |
[more] |
SAT2023-34 pp.7-12 |
CCS, IN (Joint) |
2023-08-03 15:25 |
Hokkaido |
Banya-no-yu |
[Invited Talk]
Road to R&D towards non-terrestrial network evolving remote island/disaster-relief/maritime satellite communications Fumihiro Yamashita (NTT) IN2023-22 |
[more] |
IN2023-22 pp.29-34 |
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 |
AP, SANE, SAT (Joint) |
2023-07-14 13:40 |
Hokkaido |
The Citizen Activity Center (Primary: On-site, Secondary: Online) |
Subarray Configuration Decision Method Based on Transmission Weights for Variable Subarray Beamforming in LEO-MIMO Koyo Tategami, Daisuke Goto, Kiyohiko Itokawa, Fumihiro Yamashita (NTT) AP2023-59 SANE2023-31 SAT2023-30 |
[more] |
AP2023-59 SANE2023-31 SAT2023-30 pp.156-161(AP), pp.54-59(SANE), pp.112-117(SAT) |
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 |
MICT, WBS, RCC, SAT (Joint) [detail] |
2023-05-26 09:50 |
Tokyo |
TOKYO BIG SIGHT (Primary: On-site, Secondary: Online) |
LEO-MIMO Antenna Configuration of Satellite/Gateway for High Channel Capacity Daisuke Goto, Koyo Tategami, Kiyohiko Itokawa, Fumihiro Yamashita (NTT) SAT2023-6 MICT2023-6 |
In this paper, we propose low earth orbit satellite (LEO) communications using Muti-input / Multi-output (MIMO), called ... [more] |
SAT2023-6 MICT2023-6 pp.26-31 |
CS, CQ (Joint) |
2023-05-19 14:55 |
Kagawa |
Rexxam Hall (Kagawa Kenmin Hall) (Primary: On-site, Secondary: Online) |
[Special Invited Talk]
Recent research and development of wireless techniques for realizing 6G/IOWN concept Takeshi Onizawa, Naoki Kita, Toshifumi Miyagi, Fumihiro Yamashita (NTT) CS2023-14 |
In this report, we describe recent research and development of wireless techniques for realizing 6G/IOWN concepts. We co... [more] |
CS2023-14 pp.34-40 |
SANE, SAT (Joint) |
2023-03-02 15:50 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Study on Receiver Beamforming with Doppler Rate Compensation for IoT Platform via LEO Satellite Kazumitsu Sakamoto, Kouhei Suzaki, Yohei Katayama, Yosuke Fujino, Kenji Suzuki, Yasuyoshi Kojima, Kiyohiko Itokawa, Fumihiro Yamashita (NTT) SAT2022-64 |
[more] |
SAT2022-64 pp.51-56 |
SAT, KOSST |
2022-10-06 13:15 |
Fukuoka |
(Primary: On-site, Secondary: Online) |
[Special Talk]
R&D on wireless technologies in NTT Lab. for space integrated computing network Fumihiro Yamashita, Junichi Abe, Kiyohiko Itokawa (NTT) SAT2022-44 |
[more] |
SAT2022-44 pp.1-5 |
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, KOSST |
2022-10-07 15:05 |
Fukuoka |
(Primary: On-site, Secondary: Online) |
Development of extreme coverage communication system extended by non-terrestrial network
-- End-to-end route management based on QoS of user equipment -- Munehiro Matsui, Hisayoshi Kano, Junichi Abe (NTT), Yuki Hokazono, Atsushi Minokuchi, Yoshihisa Kishiyama (NTT DOCOMO), Fumihiro Yamashita (NTT) SAT2022-54 |
This report presents a routing management scheme, which manages the end-to-end route on the basis of the QoS of UE, to m... [more] |
SAT2022-54 pp.50-54 |
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 |