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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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) |
| 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 |
| 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] | ||
| 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] | |
| 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 |
| 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 |
| SANE, SAT (Joint) |
2015-02-19 13:50 |
Okinawa | Okinawaken Shichoson Jichikaikan | A study of coding rate optimization of Set Partitioning 16QAM Coded Modulation Yoichi Suzuki, Masaaki Kojima, Masashi Kamei, Naoyoshi Nakamura, Shoji Tanaka (NHK) SAT2014-65 |
[more] | SAT2014-65 pp.85-90 |
| SAT | 2014-10-23 13:20 |
Overseas | Hae-un-dae Grand Hotel, Busan, Korea | Transmission System for UHDTV Satellite Broadcasting Yoichi Suzuki, Masaaki Kojima, Akinori Hashimoto, Naoyoshi Nakamura, Shoji Tanaka, Tomohiro Saito (NHK), Naoji Okumura (ARIB) SAT2014-39 |
[more] | SAT2014-39 pp.23-28 |
| 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) |
| AP, SAT (Joint) |
2014-07-25 10:55 |
Gifu | Gero Citizen Hall | A Study of Rain Attenuation on Short-term Rainfall in Some Points with Different Yearly Rainfall Rates
-- A Basic Study for Compensation of Rain Attenuation by Locally Variable EIRP System for 21GHz-band Broadcasting Satellites -- Masashi Kamei, Susumu Nakazawa, Shoji Tanaka (NHK) AP2014-62 SAT2014-15 |
Satellite broadcasting in the band 21.4 - 22.0 GHz is expected to provide advanced broadcasting services such as UHDTV a... [more] | AP2014-62 SAT2014-15 pp.79-83(AP), pp.17-21(SAT) |
| 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 |
| RCS, SAT (Joint) |
2013-08-29 13:50 |
Nagano | Shinshu Univ. | A study of LDPC Code Rate optimization for Coded Modulation with Set Partitioning 8PSK Yoichi Suzuki, Akinori Hashimoto, Yoshifumi Matsusaki, Shoji Tanaka, Takeshi Kimura, Kenichi Tsuchida (NHK) SAT2013-22 |
[more] | SAT2013-22 pp.7-12 |
| SANE, SAT (Joint) |
2013-02-21 16:35 |
Okinawa | Youth Center of Okinawa prefecture | A study on Multi-Level Coded Modulation using LDPC Code and Set Partitioning for 8PSK Yoichi Suzuki, Akinori Hashimoto, Yoshifumi Matsusaki, Shoji Tanaka, Takeshi Kimura (NHK) SAT2012-55 |
Aiming at the realization of “Super Hi-Vision” (SHV) satellite broadcasting, NHK is studying a scheme to make the transm... [more] | SAT2012-55 pp.47-52 |
| 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, 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, 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] | |
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