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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SAT, RCS (Joint) |
2022-08-25 16:15 |
Hokkaido | (Hokkaido, Online) (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 |
| 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 |
| AP, SANE, SAT (Joint) |
2021-07-30 10:15 |
Online | 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 |
| AP, SANE, SAT (Joint) |
2020-07-16 09:45 |
Online | Online (Online) | Development of Large-capacity Bulk Transmission Interface to Bundle 12GHz-band Satellite Transmission Channels and IP Network Yuki Koizumi, Yoichi Suzuki, Kazunori Yokohata, Hisashi Sujikai (NHK) SAT2020-7 |
We have developed a large-capacity bulk transmission interface to bundle two satellite transmission channels and IP netw... [more] | SAT2020-7 pp.21-26 |
| SAT, SANE (Joint) |
2020-02-19 13:25 |
Okinawa | (Okinawa) | Rain Attenuation Compensation Technique using IP Transmission for 21-GHz Satellite Broadcasting
-- A study for Diverse Reception System using LDPC Code for Satellite Broadcasting -- Yoichi Suzuki, Yuki Koizumi, Tomoya Kusunoki, Kazunori Yokohata, Hisashi Sujikai (NHK) SAT2019-71 |
[more] | SAT2019-71 pp.25-28 |
| RCS, SAT (Joint) |
2019-08-22 09:50 |
Aichi | Nagoya University (Aichi) | 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. (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) |
| SANE, SAT (Joint) |
2019-02-14 10:50 |
Kagoshima | Tanegashima Island (Kagoshima) | 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 (Kagoshima) | 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, RCS, WPT, SAT (Joint) |
2015-11-06 13:10 |
Okinawa | Okinawa Prefectural Museum & Art Museum (Okinawa) | 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 |
| EMCJ | 2007-03-09 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo) | Discussion Tomoaki Takeuchi, Kazunori Yokohata, Hiroyuki Hamazumi, Kazuhiko Shibuya (NHK) EMCJ2006-121 |
As a counter measure of co-channel interference at digital broadcast--wave relay station, we have considered an applica... [more] |
EMCJ2006-121 pp.33-38 |
| EMCJ | 2007-03-09 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo) | Experiment Kazunori Yokohata, Tomoaki Takeuchi, Youhei Katayama, Hiroyuki Hamazumi, Kazuhiko Shibuya, Yuto Ueda, Yoshitaka Ando (NHK) EMCJ2006-122 |
Broadcast-wave relays have the advantages of low deployment cost and efficient use of frequency to expand DTTB (Digital ... [more] | EMCJ2006-122 pp.39-44 |
| ITE-BCT, IEE-CMN, OCS, OFT (Joint) [detail] |
2006-11-17 09:25 |
Tokyo | (Tokyo) | Field Experiments of Broadcast-Wave Relay on SFN with Co-Channel Interference Tomoaki Takeuchi, Yoshikazu Narikiyo, Kazunori Yokohata, Koichiro Imamura, Hiroyuki Hamazumi, Kazuhiko Shibuya, Toshiaki Nario, Fumiaki Minematsu (NHK) OCS2006-64 OFT2006-49 |
[more] | OCS2006-64 OFT2006-49 pp.15-20(OCS), pp.45-50(OFT) |
| ITE-BCT, IEE-CMN, OCS, OFT (Joint) [detail] |
2006-11-17 09:50 |
Tokyo | (Tokyo) | Long term field trial of Broadcast-wave Relay on SFN with Co-channnel Interference using an interference canceller Kazunori Yokohata, Yoshikazu Narikiyo, Tomoaki Takeuchi, Koichiro Imamura, Hiroyuki Hamazumi, Kazuhiko Shibuya, Toshiaki Nario, Fumiaki Minematsu (NHK) OCS2006-65 OFT2006-50 |
Broadcast-wave relay has the advantages of low deployment cost and efficient use of frequency to expand DTTB(Digital Ter... [more] | OCS2006-65 OFT2006-50 pp.21-26(OCS), pp.51-56(OFT) |
| EMCJ | 2006-03-09 09:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo) | SFN Cascade Relay Field Experiments for DTTB at Kesennuma and Shizugawa Experimental Relay Stations Kazunori Yokohata, Yoshikazu Narikiyo, Tomoaki Takeuchi, Koichiro Imamura, Hiroyuki Hamazumi, Kazuhiko Shibuya (NHK Science & Technical Research Laboratories), Toshiaki Nario, Toshiki Kurashima (NHK Engineering Administration Department), Toshitake Ishii (HK Sendai Station) |
There is a severe problem of CLI(Coupling Loop Interference) caused by interference from a transmitting antenna to a rec... [more] | EMCJ2005-137 pp.1-4 |
| EMCJ | 2006-03-09 09:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo) | Field Experiments on Co-Channel Interference Cancellation at Kesennuma Experimental Relay Station Yoshikazu Narikiyo, Kazunori Yokohata, Tomoaki Takeuchi, Koichiro Imamura, Hiroyuki Hamazumi, Kazuhiko Shibuya (NHK Science & Technical Research Laboratories), Toshiaki Nario, Toshiki Kurashima (NHK Engineering Administration Department), Toshitake Ishii (NHK Sendai Station) |
Broadcasting wave received in a relay station may suffer interference caused by other digital and analog broadcasting wa... [more] | EMCJ2005-138 pp.5-8 |
| EMCJ | 2006-03-09 09:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo) | Field Experiments on Co-Channel Interference Cancellation using Decision-Directed Adaptive Array for ISDB-T Tomoaki Takeuchi, Yoshikazu Narikiyo, Kazunori Yokohata, Koichiro Imamura, Hiroyuki Hamazumi, Kazuhiko Shibuya (NHK Science & Technical Research Laboratories), Toshiaki Nario, Toshiki Kurashima (NHK Engineering Administration Department), Toshitake Ishii (NHK Sendai Station) |
As a counter measure of co-channel interference at digital broadcast--wave relay station, we have considered an applica... [more] |
EMCJ2005-139 pp.9-14 |
| EMCJ | 2006-03-09 11:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo) | Verification of Performance of Coupling Loop Interference Canceller at Nagara SFN Relay Station of DTTB Koichiro Imamura, Tomoaki Takeuchi, Kazunori Yokohata, Yoshikazu Narikiyo, Hiroyuki Hamazumi, Kazuhiko Shibuya (NHK STRL), Makoto Ishii, Yoshitaka Ando (NHK Engineering Administration Department), Naotaka Eguchi (NHK Gifu Station) |
To deliver the DTTB (Digital Terrestrial Television Broadcasting) signal throughout Japan in lower coast, broadcast-wave... [more] | EMCJ2005-142 pp.27-30 |
| MoNA | 2005-09-08 11:40 |
Kyoto | Kei-Han-Na NICT (Kyoto) | undecided Yoshikazu Narikiyo, Kazunori Yokohata, Koichiro Imamura, Shibuya (NHK STRL) |
We are developing the re-transmission systems of ISDB-T for the area, for example in buildings, tunnels and basements, t... [more] | MoMuC2005-36 pp.33-38 |
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