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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 24  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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)
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]
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