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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SAT, RCS (Joint) |
2022-08-26 16:10 |
Hokkaido | (Primary: On-site, Secondary: Online) |
A Study of Frequency Assignment for Adaptive Coding and Modulation Scheme on Flexible Satellite Communication System Mitsugu Ohkawa, Hiromitsu Wakana, Amane Miura (NICT)  SAT2022-43 |
The resource control for frequency bandwidth and transmission power between beams is effective in Ka-band high capacity ... [more] | SAT2022-43 pp.76-81 |
| RCS, SAT (Joint) |
2021-08-27 17:35 |
Online | Online | A Study of Adaptive Coding and Modulation Scheme suitable for Flexible Satellite Communication System Mitsugu Okawa, Hiromitsu Wakana, Amane Miura (NICT) SAT2021-40 |
The resource control for frequency bandwidth and transmission power between beams is effective in Ka-band high capacity ... [more] | SAT2021-40 pp.67-72 |
| WBS, RCC, SAT, MICT (Joint) [detail] |
2021-05-20 13:25 |
Online | Online (Zoom) | The R&D of low-profile active electronically scanned array antenna for aircraft
-- The evaluation experiment using aircraft of 512 elements array antenna of transmission side -- Takuya Okura, Tomoshige Kan, Mitsygu Okawa, Makio Tsuchiya, Takashi Takahashi, Hiroyuki Tsuji, Morio Toyoshima (NICT) WBS2021-7 RCC2021-7 SAT2021-7 |
[more] | WBS2021-7 RCC2021-7 SAT2021-7 pp.32-37 |
| SANE, SAT (Joint) |
2021-02-18 14:50 |
Online | Online | The R&D of low-profile active electronically steered array antenna for aircraft
-- The design of 64 elements sub array antenna of receiver side -- Takuya Okura, Tomoshige Kan, Mitsugu Okawa, Teruaki Orikasa, Makio Tsuchiya, Takashi Takahashi, Hiroyuki Tsuji, Morio Toyoshima (NICT) SAT2020-32 |
[more] | SAT2020-32 pp.19-23 |
| SAT | 2020-12-11 10:50 |
Online | Online | The R&D of low-profile active electronically steered array antenna for aircraft
-- The design of 512 elements array antenna of transmission side -- Takuya Okura, Tomoshige Kan, Mitsugu Okawa, Teruaki Orikasa, Makio Tsuchiya, Takashi Takahashi, Hiroyuki Tsuji, Morio Toyoshima (NICT) SAT2020-27 |
[more] | SAT2020-27 pp.24-28 |
| SAT, RCS (Joint) |
2020-08-20 09:00 |
Online | Online | Improvement of Frequency Utilization Efficiency by ACM for Beam Resource Control on High Throughput Satellite Communications System Mitsugu Ohkawa, Hiromitsu Wakana, Amane Miura (NICT) SAT2020-10 |
The resource control for frequency bandwidth and transmission power between beams is effective in Ka-band high capacity ... [more] | SAT2020-10 pp.1-6 |
| SAT | 2019-10-10 18:00 |
Fukuoka | JR HAKATA CITY {10F RoomA+B} | [Special Talk]
R&D activity of flexible payload technologies for next generation High Throughput Satellite by the Engineering Test Satellite 9 Project Amane Miura, Mitsugu Okawa (NICT), Eiichi Sakai, Yoshio Inasawa (Mitsubishi Electric) SAT2019-55 |
The Engineering Test Satellite 9 aims to verify the large capacity technology by Ka-band/optical communications and the ... [more] | SAT2019-55 pp.47-50 |
| RCS, SAT (Joint) |
2019-08-22 10:25 |
Aichi | Nagoya University | Influence of Nonlinear Distortion of transponder for ACM on High Throughput Satellite Communications System Mitsugu Ohkawa, Hiromitsu Wakana, Amane Miura (NICT) SAT2019-20 |
We have studied about ACM (Adaptive Coding and Modulation) of DVB-S2(S2X) on high throughput satellite (HTS) communicati... [more] | SAT2019-20 pp.19-24 |
| SANE, SAT (Joint) |
2019-02-14 10:25 |
Kagoshima | Tanegashima Island | Performance Evaluation of Frequency Flexibility for High Throughput Satellite in Disaster Scenario Yuma Abe, Mitsugu Okawa, Amane Miura, Kazunori Okada, Maki Akioka, Morio Toyoshima (NICT) SAT2018-75 |
[more] | SAT2018-75 pp.105-108 |
| AP, SANE, SAT (Joint) |
2018-07-19 10:10 |
Hokkaido | Hokkaido Univ. | Effect of Nonlinear Distortion Compensation for 32APSK on High Throughput Satellite Communications System Mitsugu Ohkawa, Hiromitsu Wakana, Amane Miura (NICT) SAT2018-19 |
We have studied about nonlinear compensation for multi-level modulation scheme (32APSK: Amplitude and Phase Shift Keying... [more] | SAT2018-19 pp.49-54 |
| ASN, ICTSSL | 2018-05-14 14:20 |
Hiroshima | Hiroshima City Univ. | [Memorial Lecture]
Studies on Operation and Control Technologies for Frequency Flexible Payload in High Throughput Satellite
-- Performance Studies on Frequency Band Assignment Methods During Disasters and Future Works -- Yuma Abe, Kazunori Okada, Mitsugu Okawa, Amane Miura, Morio Toyoshima (NICT) ICTSSL2018-3 ASN2018-3 |
In this paper, we state frequency assignment methods on a satellite communications system with frequency flexibility and... [more] | ICTSSL2018-3 ASN2018-3 pp.11-16 |
| SANE, SAT (Joint) |
2017-02-23 09:20 |
Chiba | Katsuura Hotel Mikazuki | A study of Frequency Utilization Efficiency of OFDMA Adaptive Coding and Modulation on Ka-band Satellite Communications System Mitsugu Ohkawa, Hiromitsu Wakana, Amane Miura (NICT) SAT2016-61 |
We have studied about the OFDMA (Orthogonal frequency-division multiple access) ACM (Adaptive Coding and Modulation) to ... [more] | SAT2016-61 pp.1-6 |
| SANE | 2012-10-11 16:20 |
Overseas | The SONGDO CONVENSIA, Incheon Korea | Major Results of Medical ICT WINDS Experiments by Full Utilization of Open Source Software (OSS) Fujinobu Takahashi, Satoshi Kubota, Takuto Shimizu, Hirokazu Sato, Toru Kajiwara, Tetsuhisa Furumoto, Yusuke Kito (Yokohama National Univ.), Takashi Takahashi, Mitsugu Ohkawa, Norihiko Katayama, Toshio Asai (NICT) SANE2012-76 |
[more] | SANE2012-76 pp.111-116 |
| SAT | 2011-12-13 13:30 |
Aichi | Nagoya University | Development of Optically Controlled Beam-Forming Network Akira Akaishi, Takashi Takahashi, Yoshiyuki Fujino, Mitsugu Ohkawa, Toshio Asai, Ryutaro Suzuki (NICT), Hirofumi Matsuzawa (Mitsubishi Electric) SAT2011-59 |
NICT has been developing a test model of an optically controlled beam-forming network(OBFN) for a future multiple-beam a... [more] | SAT2011-59 pp.119-124 |
| WBS, SAT (Joint) |
2011-05-10 09:55 |
Okinawa | Okinawa Subtropical Environment Remote-Sensing Center | Development of wideband digital channelizer and adaptive regenerative transponder Hideto Okada, Minoru Kobayashi, Masayoshi Yoneda (NTSpace), Toshio Asai, Mitsugu Ohkawa, Takashi Takahashi, Ryutaro Suzuki (NICT) SAT2011-4 |
One of the solutions to operate Ka-band satellite under rainy condition is application of adaptive satellite communicati... [more] | SAT2011-4 pp.17-22 |
| SANE | 2011-04-22 10:10 |
Nagano | Usuda Deep Space Center, JAXA | Health check experiments of active phased array antenna on KIZUNA (WINDS) by two stations simultaneous measurement Masanobu Yajima, Takafumi Horiuchi, Masahiro Nakao (JAXA), Akira Akaishi, Mitsugu Ohkawa, Takashi Takahashi (NICT) SANE2011-7 |
(To be available after the conference date) [more] | SANE2011-7 pp.43-48 |
| SANE, SAT (Joint) |
2011-02-25 13:40 |
Hyogo | NICT Kobe Research Laboratories | 622/1244Mbit/sTDMA Satellite Communication Experiment System by WINDS Mitsugu Ohkawa, Akira Akaishi, Toshio Asai, Seiji Nagai, Norihiko Katayama, Kazuyoshi Kawasaki, Takashi Takahashi (NICT) SAT2010-88 |
The “Kizuna” (WINDS) was jointly developed by the NICT and the JAXA. Using an H-IIA Launch Vehicle, WINDS was successful... [more] | SAT2010-88 pp.73-78 |
| AP, SAT (Joint) |
2010-07-23 15:25 |
Hokkaido | Kitami Inst. Tech. | Study of compensation method for nonlinear amplifier distortion and frequency characteristics of satellite communication earth station by using Volterra filter Mitsugu Ohkawa, Akira Akaishi, Toshio Asai, Kazuyoshi Kawasaki, Takashi Takahashi (NICT) SAT2010-25 |
For the broad band transmission in satellite communication, it is required to reduce the signal distortion of transmissi... [more] | SAT2010-25 pp.85-90 |
| WBS, SAT (Joint) |
2010-06-10 13:50 |
Okinawa | Okinawa-ken-Seinen-Kaikan | Variable Data Rate TDMA System for WINDS Experiments Takashi Takahashi, Mitsugu Ohkawa, Kazuyoshi Kawasaki, Akira Akaishi, Toshio Asai (NICT), Toshio Higuchi (JAXA), Nobufumi Saruwatari (Toshiba Corp.) SAT2010-3 |
After the Wideband InterNetworking engineering test and Demonstration Satellite “KIZUNA” (WINDS) was launched, many basi... [more] | SAT2010-3 pp.11-15 |
| WBS, SAT (Joint) |
2010-06-11 14:50 |
Okinawa | Okinawa-ken-Seinen-Kaikan | Survivability Applications via Wideband Internetworking Engineering Test and Demonstration Satellite "KIZUNA" (WINDS) Ryutaro Suzuki, Takashi Takahashi (NICT), Yoshihisa Kondo (ATR), Osamu Takizawa, Naoko Yoshimura (NICT), Shinji Yamaguchi (ATR), Maki Akioka, Mitsugu Ohkawa, Toshio Asai, Akira Akaishi, Takehiro Terada (NICT) SAT2010-10 |
“Survivability application experiment” was begun as one of the applications that effectively used the broadband communic... [more] | SAT2010-10 pp.51-56 |
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