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All Technical Committee Conferences  (All Years)

Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 47  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SAT
(Joint)
2019-08-22
13:05
Aichi Nagoya University [Invited Lecture] Channel Capacity Analysis of LEO MIMO System Considering the Satellite Attitude
Chihaya Kato, Mitsuhiro Nakadai (JAXA), Daisuke Goto, Hiroki Shibayama, Fumihiro Yamashita (NTT)
 [more]
RCS, SAT
(Joint)
2019-08-23
11:00
Aichi Nagoya University [Encouragement Talk] PAPR Reduction Effect by Sub-Spectrum Rotation when Multiple Division in Direct Spectrum Division Transmission
Sumika Omata, Takatoshi Sugiyama (Kogakuin Univ.), Izumi Urata, Fumihiro Yamashita (NTT)
 [more]
WBS, SAT
(Joint)
2019-05-15
16:05
Aichi MEIJO University (Tempaku campus) Detection of Two Superimposed LEO-MIMO's Control Signals by Deep Learning
Ryo Okema (Nagoya Univ.), Daisuke Goto (NTT), Takaya Yamazato (Nagoya Univ.), Fumihiro Yamashita, Hiroki Shibayama (NTT)
 [more] SAT2019-3
pp.13-17
SANE, SAT
(Joint)
2019-02-13
10:00
Kagoshima Tanegashima Island A Study on PAPR Reduction by Sub-Spectrum Rotation in Direct Spectrum Division Transmission
Sumika Omata, Motoi Shirai, Takatoshi Sugiyama (Kogakuin Univ.), Izumi Urata, Fumihiro Yamashita (NTT)
 [more] SAT2018-57
pp.1-6
SANE, SAT
(Joint)
2019-02-13
13:30
Kagoshima Tanegashima Island Analysis of the MIMO channel for LEO Satellites
Chihaya Kato, Mitsuhiro Nakadai (JAXA), Daisuke Goto, Daiki Shibayama, Fumihiro Yamashita (NTT)
In the Low Earth Orbital (LEO) Satellites, transmission data rate of the satellite communication is rapidly increasing t... [more] SAT2018-60
pp.17-22
SAT 2018-10-12
15:10
Overseas KARI [Special Talk] Development of remote island/disaster-relief satellite communication systems
Fumihiro Yamashita, Hiroki Shibayama (NTT)
 [more] SAT2018-50
pp.23-28
SAT, RCS
(Joint)
2018-08-09
09:05
Iwate Iwate University [Encouragement Talk] Highly available base station configuration technique for satellite communication systems
Yoshinori Suzuki, Kouhei Suzaki, Munehiro Matsui, Akira Matsushita, Koichi Harada, Fumihiro Yamashita (NTT)
Base stations for island satellite communication systems and disaster recovery satellite communication systems generally... [more] SAT2018-28
pp.1-6
SAT, RCS
(Joint)
2018-08-10
16:20
Iwate Iwate University Experimental Verification of dynamic carrier allocation using SC-FDMA in Autonomous Bandwidth Allocation FDMA
Daisuke Goto, Fumihiro Yamashita (NTT)
Autonomous Bandwidth Allocation FDMA (ABA-FDMA) is proposed for dynamically sharing unused bandwidth of satellite transp... [more] SAT2018-45
pp.91-96
SAT, WBS
(Joint)
2018-05-25
09:05
Kagoshima Kagoshima University A study of transmitter configuration for redundant base station systems
Yoshinori Suzuk, Kouhei Suzaki, Munehiro Matsui, Akira Matsushita, Koichi Harada, Fumihiro Yamashita (NTT)
Base stations for Island satellite communication systems and Disaster recovery satellite communication systems are gener... [more] SAT2018-6
pp.25-30
SAT, SANE
(Joint)
2018-02-23
12:30
Yamaguchi The Yamaguchi Chamber of Commerce and Industry Highly available high power transmitter for satellite base station
Yoshinori Suzuki, Kouhei Suzaki, Munehiro Matsui, Akira Matsushita, Koichi Harada, Fumihiro Yamashita (NTT)
Base stations for between remote island satellite communication systems and disaster recovery satellite communication sy... [more] SAT2017-66
pp.53-58
SAT 2017-10-27
12:50
Okinawa Okinawa Cellular Telephone Company Frequency segment selection algorithm in autonomous bandwidth allocation FDMA for high frequency efficient satellite systems
Daisuke Goto, Junichi Abe, Fumihiro Yamashita (NTT)
Frequency segment selection algorithm in autonomous bandwidth allocation FDMA for high frequency efficient satellite sys... [more] SAT2017-52
pp.95-100
SAT 2017-10-27
14:15
Okinawa Okinawa Cellular Telephone Company Direct Spectrum Division Transmission adapter for Cognitive multiple system overlay on satellite transponders
Fumihiro Yamashita, Junichi Abe, Daisuke Goto, Koichi Harada (NTT)
 [more] SAT2017-54
pp.115-120
RCS, SAT
(Joint)
2017-08-18
14:55
Niigata Niigata Univ. [Encouragement Talk] Capacity evaluation under channel estimation using unique word in multi-satellite/multi-beam MIMO systems
Daisuke Goto, Fumihiro Yamashita (NTT)
We have been studying the new multi-satellite/multi-beam system in single frequency reuse using MIMO (Multi-Input/Multi-... [more] SAT2017-34
pp.69-74
WBS, SAT
(Joint)
2017-05-25
13:00
Tochigi Utsunomiya Univ. Yoto Campus A study of power combine type base-station transmitter to improve performance degradation at unit SSPA failure
Yoshinori Suzuki, Kouhei Suzaki, Katsuhiko Yamanaka, Fumihiro Yamashita, Naoki Kita (NTT)
Base stations for between remote island satellite communication systems and disaster recovery satellite communication sy... [more] SAT2017-1
pp.1-6
SAT 2016-10-14
11:30
Overseas Incheon Univ. Songdo R104, Auditorium & Performing Place Base station antenna systems configuration using distributed array antenna constructing technique
Yoshinori Suzuki, Kouhei Suzaki, Daisuke Goto, Katsuhiko Yamanaka, Fumihiro Yamashita, Naoki Kita (NTT)
We have been studying a novel base station that uses Distributed Array Antenna (DAA) Technologies to improve EIRP and G/... [more] SAT2016-58
pp.85-90
SAT 2016-10-14
13:10
Overseas Incheon Univ. Songdo R104, Auditorium & Performing Place Experimental verifications on the performance of Direct Spectrum Division Transmission adapter for satellite communications/broadcasting
Fumihiro Yamashita, Goto Daisuke, Junichi Abe, Naoki Kita (NTT)
 [more] SAT2016-59
pp.91-96
SAT, RCS
(Joint)
2016-08-18
09:30
Miyagi Tohoku Gakuin University Improvement of channel estimation performance in the time asynchronous environments of Multi-Beam Multi-Satellite MIMO Systems
Daisuke Goto, Fumihiro Yamashita, Naoki Kita (NTT)
We have studied the multi-satellite/multi-beam MIMO techniques on same frequency channel to improve frequency efficiency... [more] SAT2016-36
pp.19-24
AP, SAT, SANE
(Joint)
2016-07-21
10:20
Hokkaido Otaru port marina A proposal on the alleviation of undesired side-robe radiation by ISI in the distributed array antenna system
Kouhei Suzaki, Hideya So, Daisuke Goto, Fumihiro Yamashita, Katsuya Nakahira (NTT)
 [more] SAT2016-13
pp.13-18
AP, SAT, SANE
(Joint)
2016-07-21
13:25
Hokkaido Otaru port marina Development of Highly Efficient Group Modem that improves the utilization efficiency of satellite transponder
Katsuhiko Yamanaka, Fumihiro Yamashita, Kazuhiko Oota, Naoki Kita (NTT)
 [more] SAT2016-16
pp.29-34
AP, SAT, SANE
(Joint)
2016-07-22
14:00
Hokkaido Otaru port marina A Proposal on Novel Direct Spectrum Division Transmission Adapter by using Asymmetric Filter
Jun-ichi Abe, Daisuke Goto, Fumihiro Yamashita, Naoki Kita (NTT)
This paper introduces asymmetric spectrum division and combination filter bank for direct spectrum division transmission... [more] SAT2016-27
pp.87-92
 Results 1 - 20 of 47  /  [Next]  
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