Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, AP (Joint) |
2024-11-13 14:55 |
Ishikawa |
(Ishikawa, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Analog-Digital Hybrid Beamforming Technology for Ultra-High-Capacity Wireless Transmission in the Sub-THz Band Hirofumi Sasaki, Ken Hiraga, Honoka Ito, Doohwan Lee, Riichi Kudo (NTT), Ken Mishina, Daisuke Hisano, Akihiro Maruta (Osaka Univ.) AP2024-142 RCS2024-155 |
The demand for wireless communications in mobile communications is increasing exponentially year by year, and the use of... [more] |
AP2024-142 RCS2024-155 pp.38-43(AP), pp.14-19(RCS) |
RCS |
2022-10-27 13:00 |
Ehime |
Ehime University, and online (Ehime, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
OAM Multiplexing and Its Extension to Multishape Radio Toward Future Wireless Communication Systems Doohwan Lee, Hirofumi Sasaki, Yasunori Yagi, Hiroyuki Shiba (NTT) RCS2022-133 |
[more] |
RCS2022-133 p.26 |
IMQ |
2020-12-18 09:15 |
Online |
Online (Online) |
Analysis of Scene-Adaptive Tone Mapping Methods Using Deep Learning Hirofumi Sasaki, Keita Hirai (Chiba Univ.) IMQ2020-7 |
Although high dynamic range (HDR) images can reproduce a wide range of colors and brightness, tone mapping is necessary ... [more] |
IMQ2020-7 pp.1-4 |
ED, THz [detail] |
2019-12-23 15:40 |
Miyagi |
(Miyagi) |
[Invited Talk]
Orbital Angular Momentum Multiplexing Technology
-- High Capacity Wireless Communication and Device Perspectives -- Doohwan Lee, Hirofumi Sasaki, Yasunori Yagi, Tomoki Semoto, Takayuki Yamada, Jun Mashino, Takashi Shimizu (NTT) ED2019-81 |
Recently, wireless communication using Orbital Angular Momentum (OAM) has drawn much attention as an emerging candidate ... [more] |
ED2019-81 p.21 |
EID, ITE-IDY, ITE-HI, ITE-3DMT, IEE-OQD, SID-JC [detail] |
2019-10-24 13:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Tokyo) |
Construction of HDR Image Database with Subjective Evaluation Scores for Deep Learning Hirofumi Sasaki, Keita Hirai, Takahiko Horiuchi (Chiba Univ.) EID2019-1 |
For displaying a high dynamic range (HDR) image on a standard monitor, it is necessary to apply a tone mapping method to... [more] |
EID2019-1 pp.5-8 |
RCS, SAT (Joint) |
2019-08-22 13:30 |
Aichi |
Nagoya University (Aichi) |
[Invited Lecture]
Orbital Angular Momentum Multiplexing Technology
-- High Capacity Point-to-Point Wireless Communication Perspective -- Doohwan Lee, Hirofumi Sasaki, Yasunori Yagi, Takayuki Yamada, Takashi Shimizu (NTT) SAT2019-25 RCS2019-154 |
Recently, wireless communication using Orbital Angular Momentum (OAM) has drawn much attention as an emerging candidate ... [more] |
SAT2019-25 RCS2019-154 p.45 |
SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-11 10:40 |
Osaka |
I-Site Nanba(Osaka) (Osaka) |
[Poster Presentation]
An Experiment of 200 Gbps, 21 Streams Wireless Transmission Using OAM-MIMO Multiplexing with Polarization in 28 GHz Band Yasunori Yagi, Hirofumi Sasaki, Takayuki Yamada, Doohwan Lee, Takashi Shimizu (NTT) RCC2019-30 NS2019-66 RCS2019-123 SR2019-42 SeMI2019-39 |
The orbital angular momentum (OAM) multiplexing has been drawing much attention in wireless transmission systems. The OA... [more] |
RCC2019-30 NS2019-66 RCS2019-123 SR2019-42 SeMI2019-39 pp.99-100(RCC), pp.125-126(NS), pp.121-122(RCS), pp.131-132(SR), pp.113-114(SeMI) |
SR |
2019-05-31 10:30 |
Tokyo |
Tokyo Big Sight (Tokyo) |
[Invited Talk]
Toward terabit-class wireless transmission: OAM wireless multiplexing technology Doohwan Lee, Hirofumi Sasaki, Yasunori Yagi, Takayuki Yamada, Takashi Shimizu (NTT) SR2019-11 |
[more] |
SR2019-11 p.69 |
RCS, SR, SRW (Joint) |
2019-03-08 11:20 |
Kanagawa |
YRP (Kanagawa) |
[Invited Lecture]
Experimental Investigation of OAM-MIMO multiplexing technique for ultra high capacity wireless transmission Hirofumi Sasaki, Yasunori Yagi, Yakana Kaho, Takayuki Yamada, Doohwan Lee, Takashi Shimizu (NTT) SR2018-140 |
Recently, communication systems using beams that carry orbital angular momentum (OAM) have gathered much attention for u... [more] |
SR2018-140 pp.111-116 |
ED, MW |
2018-01-26 13:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Tokyo) |
An experimental study on beam focusing effect using dielectric lens for OAM multiplexing Hiroyuki Fukumoto, Doohwan Lee, Hirofumi Sasaki, Takana Kaho, Hiroyuki Shiba (NTT) ED2017-103 MW2017-172 |
[more] |
ED2017-103 MW2017-172 pp.53-57 |
AP, RCS (Joint) |
2017-11-08 10:25 |
Fukuoka |
Fukuoka University (Fukuoka) |
Joint SDA-MAP Estimation of Channel and Interference Power in Superposed OFDM Transmission Yuto Kakizaki, Tomoaki Ohtsuki (Keio Univ.), Pooi-Yuen Kam (National Univ. of Singapore), Kouehi Suzaki, Hirofumi Sasaki, Hideya Sou (NTT) RCS2017-207 |
[more] |
RCS2017-207 pp.17-22 |
RCS, SAT (Joint) |
2017-08-18 10:30 |
Niigata |
Niigata Univ. (Niigata) |
[Invited Lecture]
Orbital Angular Momentum (OAM) Multiplexing as an Emerging Wireless Transmission Technology Doohwan Lee, Hirofumi Sasaki, Hiroyuki Fukumoto, Hiroyuki Shiba (NTT) SAT2017-32 RCS2017-162 |
Recently, wireless communication using Orbital Angular Momentum (OAM) has drawn much attention as an
emerging candidate... [more] |
SAT2017-32 RCS2017-162 p.61(SAT), p.103(RCS) |
RCS, SR, SRW (Joint) |
2017-03-02 10:50 |
Tokyo |
Tokyo Institute of Technology (Tokyo) |
Q-Learning Based Detection of Superposed Band in Multi-carrier Based Transmission Systems Ali B Al Shaikh, Fereidoun H. Panahi, Tomoaki Ohtsuki (Keio Univ.), Kouhei Suzaki, Hirofumi Sasaki, Hideya So (NTT), Tadao Nakagawa (Tottori University) RCS2016-314 |
[more] |
RCS2016-314 pp.149-154 |
SR |
2016-10-27 15:00 |
Osaka |
Osaka Univ. Nakanoshima Center (Osaka) |
[Technology Exhibit]
An Experimental Study of the Orbital Angular Momentum (OAM) Multiplexing Doohwan Lee, Hirofumi Sasaki, Hiroyuki Fukumoto, Ken Hiraga, Tadao Nakagawa, Hiroyuki Shiba (NTT) SR2016-56 |
Recently, wireless communication using Orbital Angular Momentum (OAM) has drawn much attention as an
emerging candidate... [more] |
SR2016-56 pp.7-8 |
SR |
2016-10-28 14:15 |
Osaka |
Osaka Univ. Nakanoshima Center (Osaka) |
Beam Propagation Control Method for OAM Multiplexing using Gaussian Beam Hirofumi Sasaki, Doohwan Lee, Hiroyuki Fukumoto, Tadao Nakagawa, Hiroyuki Shiba (NTT) SR2016-73 |
[more] |
SR2016-73 pp.105-110 |
CQ |
2016-05-24 10:50 |
Fukuoka |
Kyushu University (Fukuoka) |
Model Based Radio Environment Recognition and Prediction Techniques for Quality Management Wireless Communication System in Spectrum Sharing Scenarios Hirofumi Sasaki, Takayuki Yamada, Doohwan Lee, Tadao Nakagawa (NTT) CQ2016-14 |
[more] |
CQ2016-14 pp.9-14 |
SR, SRW (Joint) |
2016-05-17 14:00 |
Overseas |
Hotel Lasaretti, Oulu, Finland (Overseas) |
[Poster Presentation]
Toward Realization of a New Wireless Transmission Technology: Orbital Angular Momentum (OAM) Multiplexing Doohwan Lee, Hirofumi Sasaki, Hiroyuki Fukumoto, Tadao Nakagawa (NTT) SR2016-16 SRW2016-13 |
Recently, wireless communication using Orbital Angular Momentum (OAM) has drawn much attention as an emerging candidate ... [more] |
SR2016-16 SRW2016-13 pp.57-58(SR), pp.45-46(SRW) |
SRW |
2015-10-28 14:15 |
Tokyo |
Kikai-Sinko-Kaikan Bldg. (Tokyo) (Tokyo) |
A Statistical Radio Environment Recognition Technique Based on State Transition Model in Heterogeneous Wireless Network Hirofumi Sasaki, Takayuki Yamada, Doohwan Lee, Tadao Nakagawa (NTT) SRW2015-52 |
[more] |
SRW2015-52 pp.7-12 |
SR |
2015-05-28 15:15 |
Hyogo |
Akashi-Sangyou-Koryu-Center (Hyogo) |
Rario Environment Statistical Recognition Based on State Transition Model with Considering of Intersystem Interference in Spectrum Sharing Scenarios Hirofumi Sasaki, Takayuki Yamada, Jun Mashino, Takatoshi Sugiyama (NTT) SR2015-6 |
In heterogeneous wireless networks with spectrum sharing, radio wave collisions often occur randomly by not only intra-s... [more] |
SR2015-6 pp.31-38 |