Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SAT, KOSST |
2023-10-11 09:00 |
Overseas |
Central Hotel Marianne(Korea, Busan) (Primary: On-site, Secondary: Online) |
A Study on the Reference Receiving Earth Station Antenna Pattern for the Broadcasting Satellite Service Susumu Nakazawa, Shoji Tanaka, Kazuyoshi Shogen (B-SAT) SAT2023-53 |
[more] |
SAT2023-53 pp.28-32 |
AP, SANE, SAT (Joint) |
2022-07-27 13:30 |
Hokkaido |
Asahikawa Taisetsu Crystal Hall (Primary: On-site, Secondary: Online) |
A Consideration on the Radiation Pattern of NGSO Satellite Onboard Phased Array Antenna Susumu Nakazawa, Motoki Matsubara, Syuji Kimura, Shihoko Nakamichi, Shoji Tanaka, Kazuyoshi Shogen (B-SAT), Junichi Takiyama (SED) AP2022-39 SANE2022-24 SAT2022-20 |
[more] |
AP2022-39 SANE2022-24 SAT2022-20 pp.28-33(AP), pp.12-17(SANE), pp.18-23(SAT) |
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 |
SAT, RCS (Joint) |
2020-08-20 09:50 |
Online |
Online |
Measurement of C/I at picture disruption in BS, CS receivers caused by pulse modulated wave interference Kazuyoshi Shogen (B-SAT), Keiichi Tajima (SJC), Junya Matsushita, Masaaki Kojima (NHK), Shoji Tanaka (B-SAT), Yoshikazu Yamada, Taro Hamanaka, Akinori Hashimoto (NHK) SAT2020-12 |
In order to clarify the conditions like the allowable interference level and the separation distance necessary for preve... [more] |
SAT2020-12 pp.13-18 |
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) |
AP |
2015-02-20 10:50 |
Hyogo |
Chusho-kigyou center at Amagasaki-City |
[Invited Lecture]
A Study on Quad-band Shaped Reflector Antenna for Broadcasting Satellite Susumu Nakazawa, Masafumi Nagasaka, Masashi Kamei, Shoji Tanaka (NHK), Hitoshi Nakagawa, Kazuyoshi Shogen (B-SAT) AP2014-201 |
[more] |
AP2014-201 pp.81-84 |
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) |
MW (Workshop) |
2012-08-08 - 2012-08-10 |
Overseas |
Chulalongkorn University, Bangkok, Thailand |
Radiation Pattern of Array-fed Imaging Reflector Antenna in 21GHz-band Masafumi Nagasaka, Susumu Nakazawa, Shoji Tanaka (NHK), Kazuyoshi Shogen (B-SAT) |
In order to overcome the large rain attenuation, a reconfigurable antenna with an array-fed reflector is effective for t... [more] |
|
AP, SAT (Joint) |
2012-07-26 15:30 |
Hokkaido |
Hokkaido Univ. |
[Special Talk]
Trend of International Standardization for Broadcasting Satellite Services in the 21GHz band Kazuyoshi Shogen (B-SAT), Masashi Kamei, Shoji Tanaka (NHK) SAT2012-13 |
Future broadcasting satellite services (BSS) in the 21GHz band which is expected to convey enhanced reality and spatial ... [more] |
SAT2012-13 pp.31-35 |
AP |
2012-01-18 16:10 |
Fukuoka |
Kyushu Inst. of Tech. |
[Special Talk]
Development of Broadcasting Antenna Technologies and Future Study Items toward Super Hi-Vision Era (Oral Presentation) Kazuyoshi Shogen (B-SAT) |
History of antennas for terrestrial broadcasting, satellite broadcasting, contribution transmission and program producti... [more] |
|
AP |
2012-01-10 10:35 |
Okinawa |
Tenbusu Naha |
Radiation Pattern of Array-fed Imaging Reflector Antenna for 21GHz-band Satellite Broadcasting System Masafumi Nagasaka, Susumu Nakazawa, Shoji Tanaka (NHK), Kazuyoshi Shogen (B-SAT) AP2011-128 |
In order to overcome the large rain attenuation in the 21GHz band, a reconfigurable antenna with an array-fed reflector ... [more] |
AP2011-128 pp.5-6 |
AP, MW (Joint) |
2011-03-04 15:15 |
Ibaraki |
Ibaraki Univ. |
Transmission Experiment of 120-GHz-Band Wireless Link using 10Gbit/s Forward Error Correction System Fumiyasu Suginoshita, Satoshi Okabe, Tetsuomi Ikeda, Kazuyoshi Shogen (NHK Labs.), Hiroyuki Takahashi (NTT Labs.), Akihiko Hirata, Naoya Kukutsu (NHK Labs.) AP2010-194 |
We are developing 10-Gbps forward error correction system of 120-GHz-band wireless transmission for multiplexed HD-SDI s... [more] |
AP2010-194 pp.123-128 |
AP |
2010-10-15 14:55 |
Iwate |
Iwate Univ. |
Simulation of Service Availbility for Satellite Broadcasting using 21-GHz band Susumu Nakazawa, Masafumi Nagasaka, Shoji Tanaka, Kazuyoshi Shogen (NHK) AP2010-87 |
Satellite broadcasting in the 21-GHz band is expected to transmit large-capacity signals. We have been studying rain fad... [more] |
AP2010-87 pp.79-84 |
AP, SAT (Joint) |
2010-07-22 15:50 |
Hokkaido |
Kitami Inst. Tech. |
[Special Talk]
Current and Future of Satellite Broadcasting Kazuyoshi Shogen, Shoji Tanaka, Tomohiro Saito, Akinori Hashimoto (NHK) AP2010-60 SAT2010-21 |
Current status of satellite broadcasting in Japan, the research results which have been reflected to the transmission sy... [more] |
AP2010-60 SAT2010-21 pp.129-132(AP), pp.61-64(SAT) |
AP |
2010-05-14 11:25 |
Overseas |
Southeast Univ. |
Onboard Antennas and Simulation of Service Availability for 21-GHz Band Broadcasting Satellite Susumu Nakazawa, Masafumi Nagasaka, Shoji Tanaka, Kazuyoshi Shogen (NHK) AP2010-29 |
Satellite broadcasting in the 21-GHz band is expected to transmit large-capacity signal by exploiting its wide bandwidth... [more] |
AP2010-29 pp.87-92 |
SAT, WBS (Joint) |
2009-06-03 13:50 |
Saitama |
KDDI R&D Laboratories |
Super Hi-Vision Transmission Experiment via "KIZUNA(WINDS)" Satellite Hisashi Sujikai, Yoichi Suzuki, Masaaki Kojima, Akinori Hashimoto, Shoji Tanaka, Kazuyoshi Shogen (NHK) SAT2009-3 |
NHK is studying “Super Hi-Vision/ultra high definition TV” as next generation broadcasting, aiming at the ultimate broad... [more] |
SAT2009-3 pp.13-18 |
SAT, SANE (Joint) |
2009-02-27 09:55 |
Kyoto |
NICT Knowledge Creating Communication Research Center |
Non-linear Compensation Technique Based on Signal Point Error Estimation on Satellite Transmission System Masaaki Kojima, Yoichi Suzuki, Akinori Hashimoto, Hisashi Sujikai, Shoji Tanaka, Takeshi Kimura, Kazuyoshi Shogen (NHK) SAT2008-66 |
16APSK and 32APSK, which have high transmission efficiency, are being studied aiming at transmitting more HDTV programs ... [more] |
SAT2008-66 pp.37-42 |