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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 8 of 8  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
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
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
09:50
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
AP 2020-03-26
14:05
Fukui Fukui College
(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
(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. [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. [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
 Results 1 - 8 of 8  /   
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