Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP, SANE, SAT (Joint) |
2024-07-26 09:30 |
Hokkaido |
Frontier Research in Applied Sciences Building, Hokkaido University (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
The measurement of tri-dimensional radiation pattern of consumer DBS receiving antenna Soichi Tsuji, Susumu Nakazawa, Shoji Tanaka, Kazuyoshi Shogen (B-SAT), Ryota Itou, Itaru Suzuki (MASPRO) SAT2024-26 |
To evaluate the impact of interference from communication systems using non-geostationary satellites (non-GSOs) on 12 GH... [more] |
SAT2024-26 pp.64-71 |
SAT, KOSST |
2023-10-10 17:25 |
Overseas |
Central Hotel Marianne(Korea, Busan) (Overseas, Online) (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) (Overseas, Online) (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 |
(Fukuoka, Online) (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 (Hokkaido, Online) (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 (Tottori, Online) (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 (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 (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 (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. (Miyagi) |
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 14:30 |
Hokkaido |
Hokkaido Univ. (Hokkaido) |
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 |
SAT, SANE (Joint) |
2018-02-23 13:20 |
Yamaguchi |
The Yamaguchi Chamber of Commerce and Industry (Yamaguchi) |
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 |
CS, IE, IPSJ-AVM, ITE-BCT [detail] |
2017-11-30 14:35 |
Aichi |
Nagoya University (Aichi) |
Efforts toward Transmission Experiments Utilized 21-GHz Band Transponder of Broadcasting Satellite Masafumi Nagasaka, Susumu Nakazawa, Hisashi Sujikai, Shoji Tanaka (NHK) |
[more] |
|
SAT |
2017-10-27 15:30 |
Okinawa |
Okinawa Cellular Telephone Company (Okinawa) |
Estimation Technique for Non-linear Characteristics for Satellite Transponder Masaaki Kojima, Yoichi Suzuki, Yuki Koizumi, Hisashi Sujikai, Shoji Tanaka (NHK) SAT2017-55 |
We previously proposed a digital pre-distortion technique that has transmitter-built-in satellite transponder characteri... [more] |
SAT2017-55 pp.131-136 |
RCS, SAT (Joint) |
2017-08-18 15:45 |
Niigata |
Niigata Univ. (Niigata) |
[Encouragement Talk]
Performance improvement of Set-Partitioning 64APSK coded modulation optimizing signal constellation points Yuki Koizumi, Yoichi Suzuki, Masaaki Kojima, Hisashi Sujikai, Shoji Tanaka (NHK) SAT2017-36 |
We are engaged in researching set-partitioning multi-level coded modulation for the purpose of increasing the capacity o... [more] |
SAT2017-36 pp.81-85 |
AP |
2017-04-21 09:30 |
Osaka |
Osaka university (Osaka) |
A Study on 12/21-GHz Dual-circularly Polarized Feed Antenna for Satellite Broadcasting Reception Masafumi Nagasaka, Susumu Nakazawa, Atsushi Iwasaki, Shoji Tanaka (NHK) AP2017-12 |
NHK started test satellite broadcasting of UHDTV by using BS-17 transponder in August 2016, and practical broadcasting w... [more] |
AP2017-12 pp.59-64 |
SANE, SAT (Joint) |
2017-02-24 09:20 |
Chiba |
Katsuura Hotel Mikazuki (Chiba) |
A study on the design of 64APSK constellation Yuki Koizumi, Yoichi Suzuki, Masaaki Kojima, Kyoichi Saito, Shoji Tanaka (NHK) SAT2016-72 |
[more] |
SAT2016-72 pp.63-67 |
OFT, OCS, IEE-CMN, ITE-BCT [detail] |
2016-11-10 17:25 |
Nagasaki |
Nagasaki Shoko Kaigi Sho (Nagasaki) |
Characteristics of Distribution Equipments for UHDTV Satellite Broadcasting Reception Masafumi Nagasaka, Yuki Koizumi, Masaaki Kojima, Shoji Tanaka (NHK), Kazuya Ueda (ARIB) |
[more] |
|
SAT |
2016-10-13 15:15 |
Overseas |
Incheon Univ. Songdo R104, Auditorium & Performing Place (Overseas) |
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 12:15 |
Miyagi |
Tohoku Gakuin University (Miyagi) |
[Encouragement Talk]
Initiatives for Super Hi-vision Satellite Test Broadcasting Yoichi Suzuki, Masaaki Kojima, Yuki Koizumi, Kyoichi Saito, Shoji Tanaka, Ichie Masuhara (NHK) SAT2016-35 |
[more] |
SAT2016-35 pp.13-17 |
|