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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 501件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SAT 2019-10-10
17:10
Fukuoka JR HAKATA CITY {10F RoomA+B} [Special Talk] Research and development of satellite communication technologies at the National Institute of Information and Communications Technology and future prospects
Morio Toyoshima (NICT) SAT2019-54
Recently, Ka-band broadband communication services with capacities of over 100–1000 Gbps have been planned by several sa... [more] SAT2019-54
pp.43-46
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
SAT 2019-10-11
09:00
Fukuoka JR HAKATA CITY {10F RoomA+B} Rain Attenuation Characteristics due to Typhoon Passage in Ku-band Satellite Links
Shunichi Sasaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2019-56
Rain attenuation characteristics due to typhoon passage are discussed using the Ku band satellite signal observations co... [more] SAT2019-56
pp.51-54
SAT 2019-10-11
09:50
Fukuoka JR HAKATA CITY {10F RoomA+B} A Comparison between Long-term Rain Attenuation Statistics and ITU-R Prediction Methods in Ku-Band Satellite Links
Kosuke Yamasaki, Yasuyuki Maekawa (Osaka Electro-Comm. Univ.) SAT2019-57
A remarkable increasing tendency of yearly rain attenuation statistics of cumulative time percentages is obtained from l... [more] SAT2019-57
pp.61-64
SAT 2019-10-11
10:50
Fukuoka JR HAKATA CITY {10F RoomA+B} Suppression of Sidelobe Level over Specific Points in S-band Assuming International Satellite Operation
Hiroaki Matsui, Osamu Yoshida, Kota Goto, Tsuyoshi Kuzumaki, Masahiko Sunagawa (SoftBank) SAT2019-58
In order to operate a communication satellite, international frequency coordination with neighboring countries is requir... [more] SAT2019-58
pp.71-76
SAT 2019-10-11
14:20
Fukuoka JR HAKATA CITY {10F RoomA+B} A Technique for Licensed Spectrum Sharing between Space-Satellite and Terrestrial-Mobile Heterogeneous Multisystem
Rony Kumer Saha (KDDI Research) SAT2019-61
This paper presents a technique for a multisystem to share the spectrum of one system to another. The multisystem incorp... [more] SAT2019-61
pp.103-108
SAT 2019-10-11
17:10
Fukuoka JR HAKATA CITY {10F RoomA+B} [Special Talk] Overview of OneWeb satellite constellation project
Osamu Yoshida, Hiroaki Matsui (SoftBank) SAT2019-65
In recent years, several mega-constellation projects consisting of numerous LEO (low Earth orbit) satellites have been a... [more] SAT2019-65
p.127
RCS, SAT
(Joint)
2019-08-22
09:00
Aichi Nagoya University Data Transmission Characteristics of seasonal variation of shadowing by trees in Ka-band mobile satellite communication
Tomoshige Kan, Byongpyo Jeong, Hajime Susukita, Kazuyoshi Kawasaki, Takashi Takahashi, Morio Toyoshima (NICT) SAT2019-17
National Institute of Information and Communications Technology (NICT) has developed a small-vehicle stations equipped w... [more] SAT2019-17
pp.1-6
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
RCS, SAT
(Joint)
2019-08-22
14:05
Aichi Nagoya University [Invited Lecture] Optical Satellite Communication by Onboard High Speed or Small Equipment
Toshihiro Kubo-oka, Hiroo Kunimori, Kouichi Shiratama, Kenji Suzuki, Tetsuharu Fuse, Yoshihiko Saito, Yasushi Munemasa, Hideki Takenaka, Kolev Dimitar, Alberto Carrasco-Casado, Phuc Trinh, Morio Toyoshima (NICT) SAT2019-26 RCS2019-155
National Institute of Information and Communications Technology (NICT) in JAPAN has conducted research activities on opt... [more] SAT2019-26 RCS2019-155
pp.47-52
RCS, SAT
(Joint)
2019-08-23
09:30
Aichi Nagoya University Comparison of Speech Quality between Voice Communication System based on Communication Satellite Network and Satellite Mobile Phone
Byeongyo Jeong, Ryouichi Nishimura, Hajime Susukita, Takashi Takahashi (NICT) SAT2019-32
The mobile networks become almost useless under large-scale disasters due to physical damage of mobile base stations, el... [more] SAT2019-32
pp.79-83
RCS, SAT
(Joint)
2019-08-23
14:50
Aichi Nagoya University [Invited Lecture] A study of satellite 5G
Eiji Okamoto (NITech) SAT2019-44 RCS2019-173
In the fifth generation mobile communications system (5G), in addition to the expansion of use cases, it is also conside... [more] SAT2019-44 RCS2019-173
p.133(SAT), p.131(RCS)
MW, EST, OPE, MWP, EMT, IEE-EMT, THz [detail] 2019-07-18
10:50
Hokkaido Hakodate City Central Library Study on K-band Multi-Beam Forming Circuit by Additive Manufacturing Technology
Yu Ushijima, Hidenori Yukawa, Toru Takahashi, Naofumi Yoneda (Mitsubishi) EMT2019-8 MW2019-21 OPE2019-12 EST2019-10 MWP2019-8
Recently, satellite manufacturers have been actively trying to apply an antenna and its feeding circuit manufactured usi... [more] EMT2019-8 MW2019-21 OPE2019-12 EST2019-10 MWP2019-8
pp.11-16
AP, SANE, SAT
(Joint)
2019-07-17
16:00
Miyagi Tohoku Univ. Optical Ground Station Facilities for Experiment using 1kg class Optical Communication Transmitter (VSOTA) Onboard Micro Satellite RISESAT
Hiroo Kunimori, Hideki Takenaka, Toshihiro Kubooka, Tetsuharu Fuse, Morio Toyoshima (NICT), Toshinori Kuwahara, Shinya Fujita, Hannah Tomio (Tohoku Univ.) SANE2019-21 SAT2019-8
The 1-kg-class optical transmitter (VSOTA) developed by NICT was mounted on a small satellite (RISESAT) developed by Toh... [more] SANE2019-21 SAT2019-8
pp.13-17(SANE), pp.1-5(SAT)
AP, SANE, SAT
(Joint)
2019-07-17
16:25
Miyagi Tohoku Univ. Preliminary Results and Status of Very Small Optical Transmitter (VSOTA) on Microsatellite RISESAT
Hannah Tomio, Shinya Fujita, Toshinori Kuwahara (Tohoku Univ.), Hiroo Kunimori, Hideki Takenaka, Toshihiro Kubooka, Tetsuharu Fuse, Morio Toyoshima (NICT) SANE2019-22 SAT2019-9
The Rapid International Scientific Experiment Satellite (RISESAT), a 50-kg class Earth observation microsatellite develo... [more] SANE2019-22 SAT2019-9
pp.19-24(SANE), pp.7-12(SAT)
AP, SANE, SAT
(Joint)
2019-07-18
12:40
Miyagi Tohoku Univ. Measurement of image interference suppression ratio for BS and CS receiving antennas
Kazuyoshi Shogen (B-SAT), Keiichi Tajima (SJC), Hirishi Hanado (NICT), Tomohiro Shimazaki, Masaaki Kojima (NHK), Shoji Tanaka (B-SAT), Akinori Hashimoto, Kazunori Yokohata, Taro Hamanaka (NHK) AP2019-30 SAT2019-12
In order to clarify the conditions like the allowable interference level and the separation distance necessary for preve... [more] AP2019-30 SAT2019-12
pp.49-53(AP), pp.25-29(SAT)
SR 2019-05-31
10:00
Tokyo Tokyo Big Sight [Technology Exhibit] QZSS short message SS-CDMA communication system -- Evaluation of transmitting timing control error --
Hiroshi Oguma, Rei Kawai, Takumi Shimada (NIT, Toyama), Takeshi Asai (Next-Dimension), Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) SR2019-12
We have proposed Spread Spectrum Code Division Multiple Access (SS-CDMA) short message communication
using Quasi-Zenith... [more]
SR2019-12
pp.71-77
RCS, IN, NV
(Joint)
2019-05-16
15:10
Kanagawa Keio University [Invited Talk] Research trend of spatial optical communications with expanding applications
Yoshihisa Takayama (Tokai Univ.) IN2019-7 RCS2019-28
A variety of applications of free-space laser propagation such as measurements, communications, energy transmissions, et... [more] IN2019-7 RCS2019-28
pp.23-28(IN), pp.35-40(RCS)
RCS, IN, NV
(Joint)
2019-05-17
12:30
Kanagawa Keio University [Invited Lecture] Recent Research and Developments focusing on Fixed Wireless and Satellite Communication Systems
Takeshi Onizawa, Tsutomu Tatsuda, Naoki Kita, Fumihiro Yamashhita (NTT) IN2019-9 RCS2019-32
In this report, we describe recent research and developments focusing on fixed wireless and satellite communication syst... [more] IN2019-9 RCS2019-32
pp.31-36(IN), pp.53-58(RCS)
WBS, SAT
(Joint)
2019-05-15
15:15
Aichi MEIJO University (Tempaku campus) Experiment and performance analysis of polar code transmission in terrestrial free space optics
Shingo Fujita, Keita Ito, Eiji Okamoto (NIT), Hideki Takenaka, Hiroo Kunimori, Hiroyuki Endo, Mikio Fujiwara, Mitsuo Kitamura, Masahide Sasaki, Morio Toyoshima (NICT) SAT2019-1
In recent years, the demand on high speed communication is more rising. Satellite laser communication is one of the infr... [more] SAT2019-1
pp.1-6
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