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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SAT, KOSST | 2023-10-10 17:25 |
Overseas | Central Hotel Marianne（Korea, Busan） (Primary: On-site, Secondary: Online) |
Investigation on Mitigation of Interference from the Signal in the 9GHz Band to BS and CS Receiving Antennas. Itaru Suzuki (MASPRO), Keiichi Tajima (SKY Perfect JSAT), Shoji Tanaka (B-SAT)  SAT2023-52 |
For the BS (BSS) and CS (FSS DTH) receiving antennas, the LNB built into the feed part converts the 12GHz band frequency... [more] | SAT2023-52 pp.22-27 |
| RCS, SAT (Joint) |
2021-08-26 18:05 |
Online | Online | Measurement of Off-Axis Radiation Power from NGSO Communication Satellite Operating in the Space Kazuyoshi Shogen, Susumu Nakazawa, Shoji Tanaka (B-SAT) SAT2021-33 |
This paper describes the measurement of the off-axis radiation power from a non-geostationary satellite orbit (NGSO) com... [more] | SAT2021-33 pp.27-32 |
| AP, SANE, SAT (Joint) |
2021-07-30 09:25 |
Online | Online | The measurement of radiation pattern of consumer DBS receiving antenna in the 9 GHz band Yasushi Mizuki (NHK), Shoji Tanaka, Kazuyoshi Shogen (B-SAT), Satoshi Iwasaki, Junya Matsushita, kazunori Yokohata (NHK) SAT2021-23 |
In order to clarify the conditions like the allowable interference level and the separation distance necessary for preve... [more] | SAT2021-23 pp.18-23 |
| 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) |
| AP, SANE, SAT (Joint) |
2018-07-18 13:55 |
Hokkaido | Hokkaido Univ. | Characteristics of Frequency Sharing Criteria in the Broadcasting Satellite Link Kazuyoshi Shogen (B-SAT), Thong Pham Viet (BR, ITU-R) AP2018-49 SAT2018-13 |
Two types of frequency sharing criteria for BSS (Broadcasting Satellite Services) are enacted in Section 1 of Annex 1 to... [more] | AP2018-49 SAT2018-13 pp.43-48(AP), pp.13-18(SAT) |
| AP, SAT, SANE (Joint) |
2016-07-22 09:55 |
Hokkaido | Otaru port marina | Relation between Interference and the Increase of Outage Time Caused by Rain Attenuation in the Beoadcasting Satellite link Kazuyoshi Shogen (B-SAT), Susumu Nakazawa, Shoji Tanaka (NHK) AP2016-56 SAT2016-22 |
We have proposed to evaluate the impact of interference on the performance of BSS (Broadcasting Satellite Services) in t... [more] | AP2016-56 SAT2016-22 pp.109-113(AP), pp.63-67(SAT) |
| 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 |
| AP, SAT (Joint) |
2014-07-24 13:00 |
Gifu | Gero Citizen Hall | [Special Talk]
Satellite Communication: Stories not frequentry told Yasuhiko Ito (KDDI Labs.) AP2014-53 SAT2014-12 |
In the Radio Regulation Board (RRB) of the ITU, where the author is serving as an elected member, the number of the agen... [more] | AP2014-53 SAT2014-12 pp.31-35(AP), pp.1-5(SAT) |
| AP, SAT (Joint) |
2014-07-25 10:30 |
Gifu | Gero Citizen Hall | Evaluation of Impact of Interference on Broadcasting Satellite Services in Terms of Increase of Outage Time Caused by Rain Attenuation Kazuyoshi Shogen (B-SAT), Masashi Kamei, Shoji Tanaka (NHK) AP2014-61 SAT2014-14 |
The indexes of the degradation of C/N, ΔT/T and I/N, which can be converted from one to another, are used to evaluate th... [more] | AP2014-61 SAT2014-14 pp.73-77(AP), pp.11-15(SAT) |
| SAT, SANE (Joint) |
2014-02-20 15:20 |
Yamaguchi | Hotel Kamefuku (Yamaguchi) | A Study on Phase Detection of 21-GHz Band Broadcasting Satellite with Array-fed Reflector Antenna Masafumi Nagasaka, Masashi Kamei, Susumu Nakazawa, Shoji Tanaka, Tetsuomi Ikeda (NHK) SAT2013-55 |
A 21-GHz band satellite broadcasting system is being studied as a means to achieve a large transmission capacity for del... [more] | SAT2013-55 pp.29-34 |
| SAT | 2007-04-20 13:25 |
Mie | Mie University | Shapable Boosted Beam for Onboard Phased Array Antenna in 21GHz Band Shoji Tanaka, Susumu Nakazawa, Naoto Kogo, Kazuyoshi Shogen (NHK) SAT2007-2 |
Satellite broadcasting in the 21-GHz band is expected to broadcast wide-band programs such as Super Hi-Vision, which is ... [more] | SAT2007-2 pp.7-12 |
| AP | 2007-01-26 14:50 |
Fukui | Fukui Univ. | Effect of Mutual Coupling on Radiation Pattern of Onboard Array-Fed Reflector Antenna in 21GHz Band Naoto Kogo, Susumu Nakazawa, Shoji Tanaka, Kazuyoshi Shogen (NHK) AP2006-133 |
We study on the broadcasting satellite systems composed of onboard array-fed reflector to compensate for rain attenuatio... [more] | AP2006-133 pp.137-142 |
| SANE, SAT (Joint) |
2006-12-22 17:15 |
Kagoshima | NICT(Kashima) | [Special Talk]
Historical R6D on Satellite communications Shingo Ohmori (NICT) SANE2006-118 SAT2006-57 |
The first and epoch making satellites in the world are reviewed. The 2007 is the 50th memorial year that the world’s fir... [more] | SANE2006-118 SAT2006-57 pp.43-48(SANE), pp.39-44(SAT) |
| AP | 2005-01-21 11:35 |
Saga | Saga University | A Study on Onboard Array-fed Reflector Antenna in 21-GHz band Shoji Tanaka, Susumu Nakazawa, Masashi Kamei, Kazuyoshi Shogen (NHK) |
21GHz-band satellite broadcasting is expected for one of advanced satellite broadcasting system capable of ultrahigh-def... [more] | AP2004-216 pp.37-42 |
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