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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| NS, SR, RCS, SeMI, RCC (Joint) |
2022-07-13 14:55 |
Ishikawa | The Kanazawa Theatre + Online (Primary: On-site, Secondary: Online) |
Compensation method for transmission weight matrix of SVD-MIMO using machine learning Kiminobu Makino, Takayuki Nakagawa, Naohiko Iai (NHK)  RCS2022-73 |
This paper proposes a compensation method for the actual transmission weight matrix of singular value decomposition (SVD... [more] | RCS2022-73 pp.26-31 |
| RCS, SR, NS, SeMI, RCC (Joint) |
2021-07-15 09:00 |
Online | Online | Estimation method for channel quality of TDD SVD-MIMO Kiminobu Makino, Takahiro Sato, Fumito Ito, Takayuki Nakagawa, Naohiko Iai (NHK) RCS2021-85 |
This paper proposes an estimation method for channel quality of TDD (Time Division Duplex) SVD (Singular Value Decomposi... [more] | RCS2021-85 pp.39-44 |
| AP | 2021-02-18 13:50 |
Online | Online | [Invited Lecture]
Development of a Wireless Link System for 4K/8K Broadcast Program Production Naohiko Iai (NHK) AP2020-118 |
For broadcast program production such as sports coverage or emergency reporting, video and audio program contributions f... [more] | AP2020-118 pp.11-16 |
| CQ, CBE (Joint) |
2020-01-17 14:50 |
Tokyo | NHK Science & Technology Research Laboratories | [Invited Talk]
Development of a Mobile Wireless Link System for 4K/8K UHDTV Program Contribution Naohiko Iai (NHK) CQ2019-133 |
The authors are conducting research on a next generation mobile Field Pick-up Unit (FPU) system that enables wirelessly ... [more] | CQ2019-133 pp.147-152 |
| RCS | 2019-10-25 11:25 |
Kanagawa | Yokosuka Research Park | [Invited Lecture]
Development of Wireless Transmission Systems for 4K/8K UHDTV Program Contribution Takayuki Nakagawa (NHK) RCS2019-196 |
4K/8K UHDTV (ultra-high definition television) broadcasting services via satellite started in December 2018. With the go... [more] | RCS2019-196 pp.101-106 |
| RCS | 2018-04-23 09:30 |
Yamaguchi | Hotel New Tanaka, Yuda Onsen | Study of Spectrum Sensing to Avoid Interference for Mobile Transmission FPU System Hiroaki Sudo, Kazuhiro Kosaka, Hideki Kanemoto, Noriyuki Gejoh, Takeshi Yasunaga, Mitsuru Uesugi (Panasonic) RCS2018-1 |
Time Division Duplex (TDD)-based bidirectional digital field pick-up unit (FPU) system is now being studied. This new di... [more] | RCS2018-1 pp.1-6 |
| 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 |
| AP, RCS (Joint) |
2017-11-09 10:25 |
Fukuoka | Fukuoka University | [Invited Lecture]
Development of adaptively transmission-controlled 4x4 TDD-SVD-MIMO system for mobile transmission of Super Hi-Vision video material Kazuhiko Mitsuyama, Fumiki Uzawa, Fumito Ito, Naohiko Iai (NHK) AP2017-119 RCS2017-227 |
We are conducting research on the next-generation 1.2-GHz/2.3-GHz-band mobile field pick-up unit(FPU) system that can wi... [more] | AP2017-119 RCS2017-227 pp.59-64(AP), pp.129-134(RCS) |
| PN | 2017-08-28 13:10 |
Hokkaido | Toya Kanko Hotel | [Invited Talk]
Development and Evaluation of Program Production System Running on an IP Network Satoshi Koyama (NHK) PN2017-18 |
(To be available after the conference date) [more] | PN2017-18 pp.23-30 |
| SAT, RCS (Joint) |
2016-08-18 17:00 |
Miyagi | Tohoku Gakuin University | [Invited Talk]
Wireless Transmission Technologies for 8K Super Hi-Vision Program Contribution Hiroyuki Hamazumi (NHK) SAT2016-45 RCS2016-138 |
Research and development of Super Hi-Vision has been promoted towards the next generation broadcasting to deliver the se... [more] | SAT2016-45 RCS2016-138 pp.69-73(SAT), pp.51-55(RCS) |
| CQ | 2015-09-02 14:50 |
Kyoto | Kyoto Institute of Technology | Evaluation of Influence on Throughput and Transmission Delay by HARQ Retransmission for Bidirectional Digital FPU System Fumiki Uzawa, Tomofumi Koyama, Takashi Kumagai, Kazuhiko Mitsuyama (NHK), Katsunori Aoki (NHK-ES), Naohiko Iai (NHK) CQ2015-69 |
File-based video system has become widespread in the television-program production field. The authors are developing a b... [more] | CQ2015-69 pp.173-178 |
| CQ, CS (Joint) |
2015-04-22 10:45 |
Fukuoka | Fukuoka Institute of Technology | Design and Evaluation of HARQ Scheme for Bidirectional Digital FPU System Fumiki Uzawa, Tomofumi Koyama, Takashi Kumagai, Kazuhiko Mitsuyama, Naohiko Iai, Katsunori Aoki (NHK) CQ2015-9 |
File-based video system has become widespread in the television broadcasting field. The authors are developing a bidirec... [more] | CQ2015-9 pp.45-49 |
| CQ, IMQ, MVE, IE (Joint) [detail] |
2015-03-03 17:00 |
Tokyo | Seikei Univ. | [Special Invited Talk]
Research and Development on wireless contribution link technologies for 8K Super Hi-Vision Naohiko Iai (NHK) CQ2014-121 |
Research and development of Super Hi-vision has been promoted towards the next generation broadcasting to deliver the se... [more] | CQ2014-121 pp.55-58 |
| CQ | 2014-07-11 14:45 |
Osaka | A Study on TCP Congestion Avoidance Algorithm with Bi-directional Digital FPU System Tomofumi Koyama, Fumiki Uzawa, Kazuhiko Mitsuyama, Naohiko Iai, Katsunori Aoki (NHK) CQ2014-37 |
Television broadcasters use Field Pick-up Unit (FPU) to transfer video by a wireless link. Recently file-based productio... [more] | CQ2014-37 pp.123-128 |
|
| SIS | 2013-12-12 11:20 |
Tottori | Torigin Bunka Kaikan (Tottori) | Design of Highly Accurate 8x8 MIMO-OFDM System Using ASIP Hiroki Iwaizumi, Masahiro Sugitani, Baiko Sai, Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ.) SIS2013-33 |
In this paper, we propose a hardware design of highly accurate 8$times$8 multiple-input multiple-output - orthogonal fre... [more] | SIS2013-33 pp.35-40 |
| CS | 2012-07-13 11:35 |
Kagoshima | China-cho-Kominkan (Okinoerabu Island) | A study toward retransmission control scheme on FPU system Teppei Yoshida, Hiroki Suzuki, Toshiyuki Ogawa, Takefumi Hiraguri (NIT), Kentaro Nishimori (Niigata Univ.), Fumiki Uzawa, Kazuhiko Mitsuyama, Tetsuomi Ikeda (NHK) CS2012-45 |
This paper proposes the retransmission control scheme to improve delay time and throughput on wireless systems. The obje... [more] | CS2012-45 pp.125-129 |
| RCS | 2012-06-22 12:10 |
Hokkaido | Hakodate City Central Library | Proposal of Faster Method for MU-MIMO Precoding Using Fine-Graded Parallel Processing Kosuke Shimazaki (Hokkaido Univ.), Shingo Yoshizawa (KIT), Yasuyuki Hatakawa, Tomoko Matsumoto, Satoshi Konishi (KDDI), Yoshikazu Miyanaga (Hokkaido Univ.) RCS2012-65 |
This paper proposes a fast processing method for Tomlinson-Harashima Precoding (THP) circuit used for multi-user MIMO (M... [more] | RCS2012-65 pp.129-134 |
| SIS | 2012-06-14 11:20 |
Hokkaido | Tokachi Plaza (Obihiro City) | High-Speed and Low-Power Design of a Singular Value Decomposition Processor for SVD-MIMO-OFDM Systems Hiroki Iwaizumi (HU), Shingo Yoshizawa (KIT), Yoshikazu Miyanaga (HU) SIS2012-3 |
In this paper, we propose a processor for singular value decomposition (SVD) and compression/reconstruction of feedback ... [more] | SIS2012-3 pp.13-18 |
| CQ, MoNA, ITE-CE, ITE-BCT [detail] | 2011-09-08 13:05 |
Kumamoto | Pref. Univ. Kumamoto | A study on duplex method for bi-directional FPU Fumiki Uzawa, Kazuhiko Mitsuyama, Tetsuomi Ikeda (NHK) |
We have started a basic study on a bi-directional transmission system to develop the new microwave band Field Pick-up Un... [more] | |
| NS, RCS (Joint) |
2010-12-17 15:50 |
Okayama | Okayama Univ. | Mobile Propagation Experiment Using Microwave FPU System in Urban Area Fumiki Uzawa, Kazuhiko Mitsuyama, Tetsuomi Ikeda (NHK) RCS2010-197 |
We have been studying on microwave FPU (Field Pick-up Unit) for large capacity and high reliability. It is difficult to... [more] |
RCS2010-197 pp.227-232 |
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