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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SIS, ITE-BCT | 2023-10-12 14:15 |
Yamaguchi | HISTORIA UBE (Primary: On-site, Secondary: Online) |
Prototype of 2x4 MIMO SC-FDE Modem for Large-capacity Transmission using Millimeter-wave Band Yoshifumi Matsusaki, Fumiya Yamagishi, Takayuki Nakagawa, Naohiko Iai, Tsuyoshi Nakatogawa (NHK) |
(To be available after the conference date) [more] | |
| MIKA (3rd) |
2023-10-10 15:35 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Wireless Transmission Experiment of 360-degree Video Using Millimeter Waves
-- For Realistic and Immersive Content Production -- Nobuaki Tanaka, Yoshifumi Matsusaki, Fumiya Yamagishi, Fumito Ito, Takayuki Nakagawa, Naohiko Iai, Tsuyoshi Nakatogawa (NHK) |
(To be available after the conference date) [more] | |
| 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 |
| MIKA (3rd) |
2021-10-29 10:30 |
Okinawa | (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A Study of MIMO SC-FDE for Large-capacity Transmission using Millimeter-wave Band Yoshifumi Matsusaki, Fumiya Yamagishi, Tomohiro Shimazaki, Takayuki Nakagawa, Naohiko Iai (NHK) |
The authors are conducting research and development on large-capacity transmission technology using millimeter-wave band... [more] | |
| SIS, ITE-BCT | 2021-10-07 13:25 |
Online | Online | A Study on Remote Production using Next Generation Mobile Relay FPU Takahiro Sato, Kiminobu Makino, Fumito Ito, Takayuki Nakagawa, Naohiko Iai (NHK) |
[more] | |
| 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 |
| MIKA (2nd) |
2019-10-04 10:15 |
Hokkaido | Hokkaido Univ. | [Poster Presentation]
Development of Millimeter-wave SHV Wireless Camera Fumiya Yamagishi, Yoshifumi Matsusaki, Akiko Yamasato, Takayuki Nakagawa, Satoshi Okabe, Naohiko Iai (NHK) |
This study focuses on the research and development of a millimeter-wave super hi-vision (SHV) wireless camera that can t... [more] | |
| MIKA (2nd) |
2019-10-04 10:15 |
Hokkaido | Hokkaido Univ. | [Poster Presentation]
Evaluation of Next Generation Mobile Relay FPU in Case of Increasing Number of SVD-MIMO Modulation Bits Fumiki Uzawa, Fumito Ito, Takayuki Nakagawa, Naohiko Iai (NHK) |
The authors have been conducting research and development in order to realize the wireless transmission of 4K/8K ultra-h... [more] | |
| SIS, ITE-BCT | 2018-10-26 09:55 |
Kyoto | Kyoto University Clock Tower Centennial Hall | Field Trial of 4x4 TDD-SVD-MIMO System Fumito Ito, Fumiki Uzawa, Kazuhiko Mitsuyama, Naohiko Iai (NHK) |
[more] | |
| 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) |
| 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 |
|
| SR | 2005-11-24 16:10 |
Okinawa | Okinawa Wemen's Center | [Panel Discussion]
Broadcasting and Cognitive Radio Hiroyuki Hamazumi, Naohiko Iai, Yasuhiro Ito (NHK) |
The cognitive radio technology has a high potentiality to provide new services with co-existing conventional radio syste... [more] | SR2005-52 pp.35-42 |
| EMCJ | 2005-03-10 10:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | - Akiko Yamasato, Naohiko Iai, Hiroyuki Hamazumi, Kazuhiko Shibuya, Yasuhiro Ito (NHK Labs) |
In the lower VHF band in Japanese TV broadcasting (ch. 1-3), radio waves from nearby countries reflect to ionospheric la... [more] | EMCJ2004-149 pp.13-18 |
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