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All Technical Committee Conferences (Searched in: All Years)
| 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) |
(To be available after the conference date) [more] | |
| SAT, KOSST | 2023-10-10 14:30 |
Overseas | Central Hotel Marianne（Korea, Busan） (Primary: On-site, Secondary: Online) |
Evaluation of Large-capacity Content Transmission Equipment to Bundle12 and 21GHz-band Satellite Transmission Channels and IP Network
-- Laboratory Experiment for Flexible Transmission of Immersive Content -- Ryota Akiyama, Yuki Koizumi, Masashi Kamei (NHK)  SAT2023-49 |
We have developed large-capacity content transmission equipment that bundles 21- and 12-GHz-band satellite channels and ... [more] | SAT2023-49 pp.6-11 |
| 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) |
| SANE, SAT (Joint) |
2023-03-02 10:10 |
Okinawa | (Primary: On-site, Secondary: Online) |
Development of Large-capacity Content Transmission Equipment to Bundle 12 and 21GHz-band Satellite Transmission Channels and IP Network Ryota Akiyama, Yuki Koizumi, Masashi Kamei (NHK) SAT2022-57 |
We have developed a large-capacity content transmission equipment to bundle 12 and 21-GHz-band satellite channels, and I... [more] | SAT2022-57 pp.12-16 |
| ICTSSL, CAS | 2023-01-27 17:00 |
Tokyo | TBD (Primary: On-site, Secondary: Online) |
21GHz-band wideband microstrip line bandpass filter using ring resonator and interdigital couplings Kota Ishimura, Koji Wada (UEC), Noriaki Kawaguchi (NAOJ) CAS2022-95 ICTSSL2022-59 |
In this study, the design of a 21GHz-band bandpass filter (BPF) using a ring resonator and an interdigital coupled line ... [more] | CAS2022-95 ICTSSL2022-59 pp.163-167 |
| SAT, RCS (Joint) |
2022-08-25 16:15 |
Hokkaido | (Primary: On-site, Secondary: Online) |
[Encouragement Talk]
Study on Error Correction in IP network to Compensate for Rain Attenuation in 21-GHz band Satellite Broadcasting Yuki Koizumi, Yoichi Suzuki, Tomoya Kusunoki, Kazunori Yokohata (NHK) SAT2022-36 |
We are developing a diverse reception system (DRS) which compensates for the rain attenuation in 21-GHz band by recoveri... [more] | SAT2022-36 pp.42-47 |
| SAT | 2021-10-08 09:20 |
Online | Online | A study on improving error-correction performance by combining signals received via satellite channel and IP network for 21-GHz-band satellite broadcasting Yuki Koizumi, Yoichi Suzuki, Masashi Kamei (NHK) SAT2021-48 |
We are developing a 21-GHz-band satellite-broadcasting system that has the capability of transmitting signals at bit rat... [more] | SAT2021-48 pp.28-31 |
| AP, SANE, SAT (Joint) |
2021-07-30 10:15 |
Online | Online | Development of FEC Encoder/Decoder for IP Network to Compensate for Rain Attenuation in Satellite Broadcasting Yuki Koizumi, Yoichi Suzuki, Tomoya Kusunoki, Kazunori Yokohata, Hisashi Sujikai (NHK) SAT2021-25 |
We are developing a diverse reception system which uses the route diversity between a broadcasting satellite and IP netw... [more] | SAT2021-25 pp.30-35 |
| 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 |
| 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 |
| AP | 2018-05-17 13:05 |
Kumamoto | Kumamoto Univ. | Antenna Height Dependency of Clutter Loss for An Isolated Building by Measurement in Multi-Frequency Bands using A Drone Motoharu Sasaki, Mitsuki Nakamura, Nobuaki Kuno, Yasushi Takatori (NTT) AP2018-18 |
In the three frequency bands of 2.2 GHz, 4.7 GHz, and 26.4 GHz, the clutter loss caused by an isolated building was meas... [more] | AP2018-18 pp.29-33 |
| 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 |
| 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 |
| AP, SANE (Joint) |
2015-08-27 11:55 |
Ibaraki | Ibaragi Univ. Mito Campus | [Invited Lecture]
WiFi Fingerprint based Coordinated Mm-wave Beamforming Gia Khanh Tran, Ryosuke Iwata (Tokyo Tech), Ehab-Mahmoud Mohamed (Osaka Univ.), Kei Sakaguchi (Tokyo Tech) AP2015-62 SANE2015-35 |
Wireless Gigabit (WiGig) access points (APs) using 60 GHz unlicensed frequency band are considered as key enablers for f... [more] | AP2015-62 SANE2015-35 pp.7-12 |
| 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 |
| 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 | 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 |
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