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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SAT, SANE (Joint) |
2018-02-23 13:20 |
Yamaguchi | The Yamaguchi Chamber of Commerce and Industry | Comparison of Transmission Performance for 32APSK over TWTA and LTWTA Masaaki Kojima, Yoichi Suzuki, Yuki Koizumi, Hisashi Sujikai, Shoji Tanaka (NHK)  SAT2017-68 |
4K/8K test broadcasting for satellite have been started since August 2016. 4K/8K broadcasting services for satellite wil... [more] | SAT2017-68 pp.65-68 |
| 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) SAT2017-34 |
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 |
| 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 |
| IN, ICTSSL, NWS (Joint) |
2016-10-21 14:20 |
Osaka | Osaka Uinv. | An adjustment method of priority channel rates for emergency calls to follow their fluctuations using moving average in the Satellite/Terrestrial Integrated Mobile Communications System Diwakar Adhikari, kazunori Okada, Amane Miura (NICT) ICTSSL2016-30 |
The Satellite/Terrestrial Integrated Mobile Communications System [1], in which handy phone terminals can access to the ... [more] | ICTSSL2016-30 pp.59-64 |
| SAT | 2016-10-13 15:15 |
Overseas | Incheon Univ. Songdo R104, Auditorium & Performing Place | A study on 64APSK Coded Modulation Yuki Koizumi, Yoichi Suzuki, Masaaki Kojima, Kyoichi Saito, Shoji Tanaka (NHK) SAT2016-55 |
We’re engaged in improving the performance of 64APSK coded modulation with the purpose of further increasing transmissio... [more] | SAT2016-55 pp.51-56 |
| 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) SAT2016-36 |
We have studied the multi-satellite/multi-beam MIMO techniques on same frequency channel to improve frequency efficiency... [more] | SAT2016-36 pp.19-24 |
| SAT, RCS (Joint) |
2016-08-18 13:40 |
Miyagi | Tohoku Gakuin University | [Invited Lecture]
A study on application of Reed-Solomon-Spinal concatenation code for free-space optics Naoya Saiki, Eiji Okamoto (NITech), Hideki Takenaka, Hiroo Kunimori, Kolev Dimitar, Hiroyuki Endo, Yusuke Kobayashi, Morio Tyoshima, Mikio Hujiwara, Masahide Sasaki (NICT), Takao Aoki (Waseda Univ.), Koichi Gyoda (SIT) SAT2016-40 RCS2016-133 |
Recently, satellite laser communication is attracting attention as an important infrastructure to achieve increasing dem... [more] | SAT2016-40 RCS2016-133 pp.43-48(SAT), pp.25-30(RCS) |
| SAT, SANE (Joint) |
2016-02-17 13:10 |
Hiroshima | Hiroshima Institute of Technology | Wideband Transmission Performance over Proto-type Transponder for 21GHz-band Broadcasting Satellite under Thermal Vacuum Masaaki Kojima, Masashi Kamei, Masafumi Nagasaka, Susumu Nakazawa, Yoichi Suzuki, Yuki Koizumi, Kyoichi Saito, Shoji Tanaka, Tomohiro Saito (NHK) SAT2015-74 |
We are studying a satellite broadcasting system using 21GHz-band (21.4-22.0GHz) to provide higher realistic sensation se... [more] | SAT2015-74 pp.61-64 |
| SR | 2016-01-22 13:20 |
Nagasaki | Fukue-bunka-kaikan | QZSS Short Message SS-CDMA Communication: Consideration of Fairness in Random Access Control Scheme with Reservation Channel Kei Ohya, Tomohide Takahashi, Suguru Kameda (Tohoku Univ.), Hiroshi Oguma (NIT, Toyama College), Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2015-85 |
The Quasi-Zenith Satellite System (QZSS) is expected to provide a high accurate positioning service and allows two-way c... [more] | SR2015-85 pp.87-94 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-04 14:05 |
Okinawa | Okinawa Prefectural Museum & Art Museum | Development of Highly Efficient Group Modem Module and Turbo Codec Module for Highly Efficient Satellite communications Katsuhiko Yamanaka, Fumihiro Yamashita, Kiyoshi Kobayashi (NTT) SAT2015-48 |
NTT Access Network Service Systems Laboratories have been working on the research and development of the highly efficien... [more] | SAT2015-48 pp.7-12 |
| SAT | 2015-10-07 10:00 |
Osaka | Osaka University Nakanoshima Center | A study of the structure of the digital channelizer for application to the broadband satellite communications Minoru Akita, Futaba Ejima, Akinori Fujimura, Yu Okaue, Terumi Sunaga, Eiichi Sakai, Ryuji Ishii (Mitsubishi Electric Corp.) SAT2015-27 |
Satellite communication systems using a digital channelizer have the following advantages: 1) high utilization efficienc... [more] | SAT2015-27 pp.13-18 |
| SAT | 2015-10-08 15:10 |
Osaka | Osaka University Nakanoshima Center | Measurement network design for application of vision metrology to large reflector of mobile communication satellite Maki Akioka, Amane Miura, Teruaki Orikasa, Masaki Satoh, Morio Toyoshima, Hiroyuki Tsuji, Yoshiyuki Fujino (NICT) SAT2015-43 |
For personal mobile communication satellite, reflector with very large aperture will be required for personal terminal w... [more] | SAT2015-43 pp.157-160 |
| RCS, SAT (Joint) |
2015-08-17 11:20 |
Fukuoka | Fukuoka Univ. | Transmission capacity in the multi-satellite/multi-beam MIMO system considering time asynchronous channels Daisuke Goto, Fumihiro Yamashita, Kiyoshi Kobayashi (NTT) SAT2015-11 |
We proposed the multi-satellite/multi-beam system with single frequency reuse applied Multi Input Multi Output (MIMO) te... [more] | SAT2015-11 pp.1-6 |
| RCS, SAT (Joint) |
2015-08-17 14:05 |
Fukuoka | Fukuoka Univ. | [Invited Lecture]
MMT, New Media Transport Scheme for Harmonization of Broadcast and Broadband Networks Kazuhiro Otsuki (NHK) SAT2015-15 RCS2015-137 |
Preparations for 8K Super Hi-Vision satellite broadcasting (8K broadcasting) , which would be launched in 2018, are in p... [more] | SAT2015-15 RCS2015-137 pp.23-28(SAT), pp.31-36(RCS) |
| RCS, SAT (Joint) |
2015-08-18 13:15 |
Fukuoka | Fukuoka Univ. | [Encouragement Talk]
Improving Frequency Efficiency of High Throughput Satellite Systems with Digital Channelizer Shigenori Tani, Katsuyuki Motoyoshi, Hiroyasu Sano, Atsushi Okamura, Minoru Akita, Akinori Fujimura (Mitsubishi Electric) SAT2015-22 |
The HTS (High Throughput Satellite) provides greater system capacity for using the same frequency with multiple beams. H... [more] | SAT2015-22 pp.65-70 |
| SANE | 2015-05-29 11:00 |
Kanagawa | JAXA Sagamihara Campus | A study on reliability and low power consumption of the digital channelizer Minoru Akita, Futaba Ejima, Akinori Fujimura, Yu Okaue, Terumi Sunaga, Kazuhito Nakamura (Mitsubishi Electric Corp.) SANE2015-7 |
In this paper, we clarify the matter which is required for reliability of the digital channelizer for satellite communic... [more] | SANE2015-7 pp.7-12 |
| WBS, SAT (Joint) |
2015-05-28 13:00 |
Tokyo | Tokyo City Univ. (Setagaya Campus) | A Performance Study on Bandwidth in Digital Channelizer for Multi-beam Satellite
-- Non-uniform Offered Load in Each Beam Area during Large Scale Disasters -- Kunio Endoh (NEC), Kazunori Okada, Amane Miura (NICT) SAT2015-1 |
Communications system with which the communication satellite into which large diameter multi-beam antenna is loaded and ... [more] | SAT2015-1 pp.1-5 |
| SANE, SAT (Joint) |
2015-02-19 09:00 |
Okinawa | Okinawaken Shichoson Jichikaikan | Development of channelizer for satellite communications Minoru Akita, Futaba Ejima, Akinori Fujimura, Yu Okaue, Kazuhito Nakamura, Masahiro Nakagawa (Mitsubishi Electric Corp.) SAT2014-60 |
In this paper, we clarify the matter which is required during the development of the digital channelizer for satellite c... [more] | SAT2014-60 pp.55-60 |
| RCS, NS (Joint) |
2014-12-18 10:25 |
Mie | Iseshi-Kanko-Bunka-Kaikan (Mie) | Network Selection Scheme Using Positioning Information for Heterogeneous Wireless System: Throughput Evaluation Considering the Number of Active Users Junpei Kuboniwa, Yuji Miyake, Suguru Kameda, Akinori Taira (Tohoku Univ.), Hiroshi Oguma (NIT, Toyama College), Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2014-229 |
Heterogeneous wireless systems such as a combination of mobile broadband wireless access (MBWA) and wireless local area ... [more] | RCS2014-229 pp.55-60 |
| SR | 2014-10-31 13:00 |
Overseas | I2R, Singapore | [Poster Presentation]
Network Selection Scheme Using Positioning Information for Heterogeneous Wireless System: Throughput Evaluation Considering Selection Resource Utilization Junpei Kuboniwa, Yuji Miyake, Suguru Kameda, Akinori Taira (Tohoku Univ.), Hiroshi Oguma (NIT, Toyama College), Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2014-84 |
For the next generation mobile communication, heterogeneous wireless system has been discussed to attain high throughput... [more] | SR2014-84 pp.151-156 |
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