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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 |
| 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 |
| 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, 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) |
| 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 |
| 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) |
| 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) |
2015-11-04 14:30 |
Okinawa | Okinawa Prefectural Museum & Art Museum | Transmission experiments for UHDTV using 12 GHz band satellite broadcasting Masaaki Kojima, Yoichi Suzuki, Masashi Kamei, Yuki Koizumi, Kyoichi Saito, Shoji Tanaka (NHK), Hayato Nishida (B-SAT) SAT2015-49 |
A technical standard for a satellite transmission system (ARIB STD-B44 ver. 2.0) has been drawn up for 4K/8K UHDTV servi... [more] | SAT2015-49 pp.13-16 |
| 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 |
| 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) |
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