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All Technical Committee Conferences (Searched in: Recent 10 Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MIKA (3rd) |
2024-10-29 14:35 |
Okayama | Okayama Convention Center | [Poster Presentation]
R&D Status of Next Generation STL/TTL
-- Toward the Realization of Efficient Microwave Links -- Tetsuya Umenai, Tomohiro Shimazaki, Naohiko Iai, Takayuki Nakagawa, Kazuhiro Otsuki (NHK) |
The authors conducted research and developed a studio-to-transmitter-link/transmitter-to-transmitter-link (STL/TTL), a b... [more] | |
| SIS, ITE-BCT | 2024-10-03 13:30 |
Hokkaido | Hokusei Gakuen Univ. (Primary: On-site, Secondary: Online) |
A Study on Preamble Signal for Enhancement of Synchronization Performance of TDD-based FPU Fumito Ito, Fumiya Yamagishi, Takuya Kurakake, Takayuki Nakagawa, Tsuyoshi Nakatogawa (NHK) |
[more] | |
| SIS, ITE-BCT | 2024-10-04 13:20 |
Hokkaido | Hokusei Gakuen Univ. (Primary: On-site, Secondary: Online) |
Microwave Band FPU Patch Antennas for Drones Fumiya Yamagishi, Fumito Ito, Takuya Kurakake, Takayuki Nakagawa, Tsuyoshi Nakatogawa (NHK) |
[more] | |
| SIS, ITE-BCT | 2023-10-12 13:55 |
Yamaguchi | HISTORIA UBE (Primary: On-site, Secondary: Online) |
A study on multiplex transmission of program signals using STL/TTL for Advanced Integrated Services Digital Broadcasting - Terrestrial Tomohiro Shimazaki, Tetsuya Umenai, Hiroyasu Nagata, Takayuki Nakagawa (NHK) |
We have been studying an advanced studio-to-transmitter link / transmitter-to-transmitter link (STL/TTL) for Advanced In... [more] | |
| SIS, ITE-BCT | 2023-10-12 14:20 |
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) |
We have been conducting research and development on a wireless transmission scheme using 42-GHz band in millimeter waves... [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) |
Authors have been conducting research and development on a wireless transmission scheme using 42-GHz band in millimeter ... [more] | |
| SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-14 14:00 |
Osaka | Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
FPGA implementation of ML-compensation for SVD-MIMO weight matrices Kiminobu Makino, Takayuki Nakagawa (NHK)  RCS2023-99 |
This paper proposes a computation reduction method of machine learning-based compensation of transmission (Tx) weight ma... [more] | RCS2023-99 pp.103-108 |
| RCS, AP, UWT (Joint) |
2022-11-16 14:05 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
Transmission experiment of microwave program relay line for Advanced Integrated Services Digital Broadcasting - Terrestrial Tomohiro Shimazaki, Yoshifumi Matsusaki, Takayuki Nakagawa (NHK) RCS2022-168 |
We have been studying microwave program relay lines (an advanced studio-to-transmitter link / transmitter-to-transmitter... [more] | RCS2022-168 pp.79-84 |
| 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 |
| OFT, OCS, IEE-CMN, ITE-BCT [detail] | 2021-11-18 14:40 |
Online | Online | Study of Transmission System of Advanced STL/TTL for Advanced Digital Terrestrial Television Broadcasting Tomohiro Shimazaki, Yoshifumi Matsusaki, Takayuki Nakagawa (NHK) |
(Advance abstract in Japanese is available) [more] | |
| 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 |
| US | 2020-02-28 13:10 |
Tokyo | Defect detection for shotcrete in ceiling of underground cavity by noncontact acoustic inspection method
-- Alternative method of hammering inspection by acoustic irradiation induced vibration from a long distance -- Tsuneyoshi Sugimoto, Kazuko Sugimoto (Toin Univ.), Noriyuki Utagawa, Chitose Kuroda (SatoKogyo), Hiroshi Morioka, Shigeru Tsuruta (TEPCO), Takayuki Nakagawa, Ataru Honda (TEPSCO), Naoto Sugisaki, Takao Yamazaki (tousetu) US2019-100 |
Shotcrete is widely used for supporting underground cavities because of its excellent workability. However, in a high pl... [more] | US2019-100 pp.7-12 |
|
| 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 |
| 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] | |
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