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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 21  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SAT, MICT, WBS, RCC
(Joint) [detail]
2024-05-16
15:50
Miyazaki KITEN Convention hall (Miyazaki)
(Primary: On-site, Secondary: Online)
Design of Dual-band Horn Antenna for Parabolic Reflector Antenna Utilized for 12- and 21-GHz-band Satellite Broadcasting Reception
Masafumi Nagasaka, Masashi Kamei (NHK)
 [more]
AP, SANE, SAT
(Joint)
2023-07-12
15:50
Hokkaido The Citizen Activity Center
(Primary: On-site, Secondary: Online)
A Study on On-board Array-fed Shaped Reflector Antenna for 21-GHz band Broadcasting Satellite towards Use of Dual Circular Polarization
Masashi Kamei, Masafumi Nagasaka (NHK) AP2023-34 SANE2023-24 SAT2023-15
We are studying 21-GHz band satellite broadcasting systems to build next-generation broadcasting media. To counter a pro... [more] AP2023-34 SANE2023-24 SAT2023-15
pp.24-27(AP), pp.19-22(SANE), pp.33-36(SAT)
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
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
CS, IE, IPSJ-AVM, ITE-BCT [detail] 2017-11-30
14:35
Aichi Nagoya University Efforts toward Transmission Experiments Utilized 21-GHz Band Transponder of Broadcasting Satellite
Masafumi Nagasaka, Susumu Nakazawa, Hisashi Sujikai, Shoji Tanaka (NHK)
 [more]
AP 2017-04-21
09:30
Osaka Osaka university 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
OFT, OCS, IEE-CMN, ITE-BCT [detail] 2016-11-10
17:25
Nagasaki Nagasaki Shoko Kaigi Sho Characteristics of Distribution Equipments for UHDTV Satellite Broadcasting Reception
Masafumi Nagasaka, Yuki Koizumi, Masaaki Kojima, Shoji Tanaka (NHK), Kazuya Ueda (ARIB)
 [more]
SAT, SANE
(Joint)
2016-02-17
13:10
Hiroshima Hiroshima Institute of Technology Wideband Transmission Performance over Proto-type Transponder for 21GHz-band Broadcasting Satellite under Thermal Vacuum
Masaaki Kojima, Masashi Kamei, Masafumi Nagasaka, Susumu Nakazawa, Yoichi Suzuki, Yuki Koizumi, Kyoichi Saito, Shoji Tanaka, Tomohiro Saito (NHK) SAT2015-74
We are studying a satellite broadcasting system using 21GHz-band (21.4-22.0GHz) to provide higher realistic sensation se... [more] SAT2015-74
pp.61-64
OCS, OFT, IEE-CMN, ITE-BCT
(Joint) [detail]
2015-11-13
10:20
Ehime Matsuyama Civic Center Characteristics of E/O and O/E Converters for UHDTV Satellite Broadcasting Reception
Masafumi Nagasaka, Shoji Tanaka (NHK)
(Advance abstract in Japanese is available) [more]
RCS, SAT
(Joint)
2015-08-17
12:10
Fukuoka Fukuoka Univ. 8K Super Hi-Vision Satellite Broadcasting Experiment in NHK STRL OPEN HOUSE 2015
Yoichi Suzuki, Masaaki Kojima, Masashi Kamei, Masafumi Nagasaka, Susumu Nakazawa, Shoji Tanaka (NHK) SAT2015-13
 [more] SAT2015-13
pp.11-15
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
SAT, SANE
(Joint)
2014-02-20
15:20
Yamaguchi Hotel Kamefuku (Yamaguchi) A Study on Phase Detection of 21-GHz Band Broadcasting Satellite with Array-fed Reflector Antenna
Masafumi Nagasaka, Masashi Kamei, Susumu Nakazawa, Shoji Tanaka, Tetsuomi Ikeda (NHK) SAT2013-55
A 21-GHz band satellite broadcasting system is being studied as a means to achieve a large transmission capacity for del... [more] SAT2013-55
pp.29-34
AP, ITE-BCT 2013-02-07
10:00
Tokyo AIST Tokyo Waterfront Equalized Excitation Coefficient Distribution of Array-fed Shaped Reflector Antenna for 21-GHz Broadcasting Satellite
Susumu Nakazawa, Masafumi Nagasaka, Shoji Tanaka (NHK)
 [more]
AP, ITE-BCT 2013-02-07
10:25
Tokyo AIST Tokyo Waterfront 120GHz-band wireless transmission system for uncompressed super hi-vision signals
Fumiyasu Suginoshita, Jun Tsumochi, Masafumi Nagasaka, Shoji Tanaka (NHK), Satoshi Okabe (NHK-ES)
 [more]
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, ITE-BCT 2012-02-10
13:25
Hiroshima NHK Hiroshima A Study on 12/21GHz Dual-Band Feed for Satellite Broadcasting Receiving Antenna
Masafumi Nagasaka, Susumu Nakazawa, Shoji Tanaka (NHK)
The 21GHz-band satellite broadcasting system is studied for transmission channels to deliver ultra high definition TV, 3... [more]
AP, ITE-BCT 2012-02-10
13:50
Hiroshima NHK Hiroshima Transmission Test Using a Deployable Mesh Reflector Antenna for Satellite News Gathering
Susumu Nakazawa, Masafumi Nagasaka, Shoji Tanaka, Yuji Ishidou, Hiroyuki Kondou (NHK)
 [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 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
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