Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP, SANE, SAT (Joint) |
2024-07-26 09:30 |
Hokkaido |
Frontier Chemistry Center, Hokkaido University (Primary: On-site, Secondary: Online) |
3D antenna radiation pattern measurement of commercial BS antennas Soichi Tsuji, Susumu Nakazawa, Shoji Tanaka, Kazuyoshi Shogen (B-SAT), Ryota Itou, Itaru Suzuki (MASPRO) |
[more] |
|
SAT, KOSST |
2022-10-06 15:05 |
Fukuoka |
(Primary: On-site, Secondary: Online) |
Satellite Transmission Experiment for Improvement of Link Margin of APSK Modulation Signal toward UHDTV Satellite Broadcasting for 12-GHz Band Ryota Akiyama, Yuki Koizumi, Shinsuke Yokozawa, Masaaki Kojima, Masafumi Nagasaka, Masashi Kamei (NHK), Susumu Nakazawa, Shuji Kimura, Motoki Matsubara, Hayato Nishida, Shoji Tanaka (B-SAT) SAT2022-46 |
As for the satellite transmission scheme used for 4K/8K ultra-high definition television (UHDTV), ISDB-S3 which supports... [more] |
SAT2022-46 pp.12-15 |
AP, WPT (Joint) |
2022-01-20 15:10 |
Tottori |
Kenmin-Fureai-Kaikan (Primary: On-site, Secondary: Online) |
[Tutorial Lecture]
Research of On board Array-fed Reflector Antenna for 21GHz-band Broadcasting Satellite Shoji Tanaka, Susumu Nakazawa (B-SAT), Masafumi Nagasaka (NHK) AP2021-146 |
[more] |
AP2021-146 pp.64-69 |
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 |
RCS, SAT (Joint) |
2019-08-22 09:50 |
Aichi |
Nagoya University |
8K120Hz Transmission Experiment with 21GHz-band through Broadcast Satellite BSAT-4a Yuki Koizumi, Yoichi Suzuki, Shinya Abe, Kazunori Yokohata, Hisashi Sujikai (NHK), Susumu Nakazawa, Osamu Yamazaki (B-SAT) SAT2019-19 |
NHK conducted a wide-band transmission experiment with the 21GHz-band through broadcasting satellite BSAT-4a at NHK STRL... [more] |
SAT2019-19 pp.13-17 |
SANE, SAT (Joint) |
2019-02-14 10:50 |
Kagoshima |
Tanegashima Island |
21-GHz Wide-band satellite transmission experiment with BSAT-4a broadcasting satellite Yoichi Suzuki, Yuki Koizumi, Shinya Abe, Kazunori Yokohata (NHK), Susumu Nakazawa, Osamu Yamazaki (B-SAT), Hisashi Sujikai (NHK) SAT2018-76 |
To achieve the wide-band transmission for full-specification 8K Super Hi-Vision and Diverse Vision, a wide-band transmis... [more] |
SAT2018-76 pp.109-114 |
SANE, SAT (Joint) |
2019-02-14 11:15 |
Kagoshima |
Tanegashima Island |
Evaluation of Satellite Transmission Characteristics of ISDB-S3 for 4K/8K Broadcasting Shinsuke Yokozawa, Masaaki Kojima, Masashi Kamei, Kazunori Yokohata (NHK), Hayato Nishida (B-SAT), Hisashi Sujikai (NHK) SAT2018-77 |
4K/8K broadcasting with the BSAT-4a satellite began in Dec. 2018. This broadcasting adopts the ISDB-S3 technical standar... [more] |
SAT2018-77 pp.115-118 |
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, SANE, SAT (Joint) |
2018-07-18 14:30 |
Hokkaido |
Hokkaido Univ. |
Prompt Report on Wide-band Transmission Experiment with 21-GHz band Broadcasting Satellite in NHK STRL OPEN HOUSE 2018 Yoichi Suzuki, Hisashi Sujikai, Yuki Koizumi, Masafumi Nagasaka, Masaaki Kojima, Atsushi Iwasaki, Shoji Tanaka (NHK), Susumu nakazawa, Osamu Yamazaki (B-SAT) SAT2018-14 |
[more] |
SAT2018-14 pp.19-23 |
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) |
IE, CS, IPSJ-AVM, ITE-BCT [detail] |
2015-12-03 10:20 |
Hyogo |
|
Transmission experiments for 32APSK over satellite transponder Yuki Koizumi, Masaaki Kojima, Yoichi Suzuki, Kyoichi Saito, Shoji Tanaka (NHK), Hayato Nishida (B-SAT) |
[more] |
|
AP, RCS, WPT, SAT (Joint) |
2015-11-06 13:10 |
Okinawa |
Okinawa Prefectural Museum & Art Museum |
Receiver System for monitoring Broadcasting Satellite Service in Japan Yutaka Kawaguchi (B-SAT), Kazuhisa Hatakeyama (NHK), Kazunori Yokohata, Motoki Matsubara (B-SAT) SAT2015-60 |
In implementation of Broadcasting Satellite Service (BSS), it is important to monitor continuously that the radio waves ... [more] |
SAT2015-60 pp.69-74 |
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 |
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, SAT (Joint) |
2009-07-10 11:45 |
Hokkaido |
Otaru city, Hokkaido |
A study of transmission capacity on 21GHz broadcasting satellite transponder Hajime Matsumura (B-SAT) SAT2009-17 |
This paper presents methodology to evaluate the transmission capacity of the 21GHz broadcasting satellite transponder. ... [more] |
SAT2009-17 pp.57-62 |
|