Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SANE, SAT (Joint) |
2025-03-06 09:40 |
Okinawa |
Nago Civic Hall 【Tour in March 7th】 (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Channel capacity Evaluation of Geostationary Satellite MIMO Using Multiple Beam Parabolic Antenna Daisuke Goto, Koyo Tategami, Kiyohiko Itokawa, Tomohiro Tokuyasu, Fumihiro Yamashita (NTT) |
(To be available after the conference date) [more] |
|
SAT, KOSST |
2024-12-06 10:20 |
Hokkaido |
nest HOTEL sapporoekimae (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
DFT Transmission Beamforming for Low Computational Complexity and High Channel Capacity in Massive GW Satellite MIMO Koyo Tategami, Daisuke Goto, Kiyohiko Itokawa, Tomohiro Tokuyasu, Fumihiro Yamashita (NTT) SAT2024-54 |
[more] |
SAT2024-54 pp.43-48 |
AP, SANE, SAT (Joint) |
2024-07-26 13:10 |
Hokkaido |
Frontier Research in Applied Sciences Building, Hokkaido University (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Effect of Satellite Movement and Evaluation of Transmission Control Scheme on SA/CRDSA in Satellite IoT Systems Takaaki Owaki, Hiraku Okada (Nagoya Univ.), Koyo Tategami, Daisuke Goto, Munehiro Matsui, Kiyohiko Itokawa, Fumihiro Yamashita (NTT) SAT2024-29 |
[more] |
SAT2024-29 pp.77-82 |
AP, SANE, SAT (Joint) |
2024-07-26 13:30 |
Hokkaido |
Frontier Research in Applied Sciences Building, Hokkaido University (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
A Demodulation Scheme Using Receive Signal Combining of OFDM Signals in Massive GW Satellite MIMO Koyo Tategami, Daisuke Goto, Kiyohiko Itokawa, Fumihiro Yamashita (NTT) SAT2024-30 |
[more] |
SAT2024-30 pp.83-88 |
RCS, SR, SRW (Joint) |
2024-03-13 17:05 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Tokyo, 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 |
In a satellite IoT system using a 920-MHz band LPWA, each terminal's available channel differs, and the number of packet... [more] |
RCS2023-268 pp.83-88 |
RCS, SAT (Joint) |
2023-08-31 09:00 |
Nagano |
Naganoken Nokyo Building, and online (Nagano, 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 |
AP, SANE, SAT (Joint) |
2023-07-14 13:40 |
Hokkaido |
The Citizen Activity Center (Hokkaido, Online) (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 09:50 |
Tokyo |
TOKYO BIG SIGHT (Tokyo, Online) (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 |
AP |
2020-03-26 14:05 |
Fukui |
Fukui College (Fukui) (Cancelled but technical report was issued) |
Acceleration of Zero Component Elimination Compressed Sensing for Simultaneous Estimation of DOA and TOA Kiyotaka Shimoshige, Koyo Tategami, Mitoshi Fujimoto (Univ. Fukui) AP2019-199 |
[more] |
AP2019-199 pp.13-16 |
AP |
2020-03-27 09:40 |
Fukui |
Fukui College (Fukui) (Cancelled but technical report was issued) |
Propagation Characteristics Analysis of 20GHz Band in Multiple LOS Urban Street Cell Environment Koyo Tategami, Mitoshi Fujimoto (Univ. Fukui), Koshiro Kitao, Satoshi Suyama (NTT DOCOMO) AP2019-204 |
For 5th generation mobile communication system (5G), utilization of band of 6 to 100 GHz is investigated to increase the... [more] |
AP2019-204 pp.41-46 |
AP |
2019-10-17 12:30 |
Osaka |
Osaka Univ. (Osaka) |
[Poster Presentation]
Estimation of Arrival Signal Number Based on Received Power Using Machine Learning Takahiro Nosho, Koyo Tategami, Tatsuhito Hasegawa, Mitoshi Fujimoto (Univ. Fukui) AP2019-85 |
MUSIC, AIC, MDL, etc. are examined as conventional methods for estimating the direction of arrival and the number of sig... [more] |
AP2019-85 pp.29-32 |
AP |
2019-10-17 12:30 |
Osaka |
Osaka Univ. (Osaka) |
[Poster Presentation]
2D-DOA Estimation by Compressed Sensing Algorithm Using Sub-Arrays in an Actual Urban Street Cell Environment Koyo Tategami, Mitoshi Fujimoto (Univ. Fukui), Koshiro Kitao, Tetsuro Imai (NTT docomo) AP2019-86 |
[more] |
AP2019-86 pp.33-37 |
|