Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
IPSJ-AVM, CS, IE, ITE-BCT [detail] |
2021-11-25 13:50 |
Online |
Online |
An Implementation of Visible Object Filter Gateway for Effective Streaming of Free-Viewpoint AR Content Yuki Kawamura, Nobuhiro Hiruma, Koichiro Imamura (NHK) |
[more] |
|
IPSJ-AVM, CS, IE, ITE-BCT [detail] |
2021-11-25 14:15 |
Online |
Online |
The examination of the home gateway for advanced terrestrial broadcasting Masayoshi Onishi, Nobuhiro Hiruma, Ryo Kabutomori, Hiroyasu Nagata, Yuki Kawamura, Kazuhiro Otsuki, Koichiro Imamura (NHK) |
[more] |
|
SIS, IPSJ-AVM |
2021-06-24 13:00 |
Online |
Online |
Object-based 3D Content Streaming and Adaptive Viewing using Multiple Presentation Methods Yuki Kawamura, Yasutaka Maeda, Kensuke Hisatomi, Koichiro Imamura (NHK) SIS2021-6 |
[more] |
SIS2021-6 pp.31-36 |
ITE-BCT, SIS |
2019-10-25 09:50 |
Fukui |
Fukui International Activities Plaza |
Development of Line Redundant and Monitoring Equipment for Next-Generation Terrestrial Digital Broadcasting STL using IP-line Hiroyasu Nagata, Yuki Kawamura, Yuki Yamakami, Tomoya Kusunoki, Koichiro Imamura (NHK) |
[more] |
|
RCS, SR, SRW (Joint) |
2018-03-01 10:40 |
Kanagawa |
YRP |
[Invited Talk]
42 GHz-band Wireless Link Technologies for Television Program Contribution Koichiro Imamura (NHK) SRW2017-83 |
The 4K and 8K UHDTV (ultra high definition television) regular broadcasting will start on December 1st, 2018. Portable w... [more] |
SRW2017-83 pp.71-74 |
RCS, SR, SRW (Joint) |
2017-03-03 09:00 |
Tokyo |
Tokyo Institute of Technology |
[Panel Discussion]
Single Frequency Retransmission Technology in Digital Terrestrial Television Broadcasting
-- Practical Application of Coupling Loop Interference Canceller for On-channel Repeater in SFN -- Koichiro Imamura (NHK) SR2016-102 |
In order to construct the Japanese DTTB (digital terrestrial television broadcasting) network on the limited frequency r... [more] |
SR2016-102 p.53 |
LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] |
2016-01-29 15:05 |
Hyogo |
|
Development of Antenna Radiation Monitor Using Electro-Optic Sensor Yoji Kawai, Shinichi Hirata, Tomohiko Sugimoto (NHK), Yoshikazu Toba (SEIKOH GIKEN), Koichiro Imamura (NHK) |
[more] |
|
ITE-BCT, IEE-CMN, OCS, OFT (Joint) [detail] |
2006-11-17 09:25 |
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 |
|
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. |
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. |
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. |
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. |
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 11:15 |
Kyoto |
Kei-Han-Na NICT |
undecided Koichiro Imamura, Kazuhiko Shibuya (NHK STRL) |
DTTB (Digital Terrestrial Television Broadcasting) which adopts OFDM method enables SFN (Single Frequency Network) where... [more] |
MoMuC2005-35 pp.27-32 |
MoNA |
2005-09-08 11:40 |
Kyoto |
Kei-Han-Na NICT |
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 |
EMCJ |
2005-03-10 09:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
- Tomoaki Takeuchi, Koichiro Imamura, Hiroyuki Hamazumi, Kazuhiko Shibuya (NHK Labs) |
Broadcast--wave relay has an advantage in deployment cost and
efficient use of frequency. But we must consider the coun... [more] |
EMCJ2004-147 pp.1-6 |
EMCJ |
2005-03-10 09:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
- Koichiro Imamura, Tomoaki Takeuchi, Yoshikazu Narikiyo, Kazuhiko Shibuya (NHK Labs) |
CLI (Coupling Loop Interference) from a transmitting antenna to a receiving antenna is severe problem in a SFN (Single F... [more] |
EMCJ2004-148 pp.7-12 |