Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
ED, THz [detail] |
2019-12-23 15:40 |
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 |
RCS, SAT (Joint) |
2019-08-22 13:30 |
Aichi |
Nagoya University |
[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) |
[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 |
[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 |
[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 |
CQ |
2016-05-24 10:50 |
Fukuoka |
Kyushu University |
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 |
RCS, CCS, SR, SRW (Joint) |
2016-03-04 14:30 |
Tokyo |
Tokyo Institute of Technology |
[Invited Lecture]
Broadband Spectrum Sensing Platform based on Received Waveform Cross-correlation using Distributed Sensors Doohwan Lee, Takayuki Yamada, Hiroyuki Shiba, Yo Yamaguchi, Takana Kaho, Tadao Nakagawa, Kazuhiro Uehara (NTT) SR2015-117 |
Rapid increase in mobile traffic due to the spread of smartphones will cause the frequency shortage. Frequency range fro... [more] |
SR2015-117 p.171 |
SRW |
2015-10-28 14:15 |
Tokyo |
Kikai-Sinko-Kaikan Bldg. (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 |
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 |
SR |
2015-05-29 13:25 |
Hyogo |
Akashi-Sangyou-Koryu-Center |
Performance Evaluation of Waveform Cross-Correlation Based Cooperative Sensing under Multipath Fading Environments Takayuki Yamada, Doohwan Lee, Yo Yamaguchi, Tadao Nakagawa (NTT) SR2015-12 |
[more] |
SR2015-12 pp.73-78 |
SR |
2014-10-31 13:00 |
Overseas |
I2R, Singapore |
[Technology Exhibit]
Broadband Spectrum Sensing Platform Based on Received Waveform Cross-correlation using Distributed Sensors Takayuki Yamada, Doohwan Lee, Hiroyuki Shiba, Yo Yamaguchi, Takana Kaho, Tadao Nakagawa, Kazuhiro Uehara (NTT) SR2014-88 |
Rapid increase in mobile traffic due to the spread of smartphones will cause the frequency shortage. Frequency range fro... [more] |
SR2014-88 pp.169-170 |
NS, IN (Joint) |
2014-03-06 09:30 |
Miyazaki |
Miyazaki Seagia |
A study on a broadband spectrum sensing system Hiroyuki Shiba, Yo Yamaguchi, Takayuki Yamada, Takana Kaho, Tadao Nakagawa (NTT) IN2013-152 |
[more] |
IN2013-152 pp.53-58 |
RCS, SR, SRW (Joint) |
2014-03-03 13:30 |
Tokyo |
Waseda Univ. |
[Invited Lecture]
Performance Evaluation of a Broadband Spectrum Sensing Platform Hiroyuki Shiba, Yo Yamaguchi, Takayuki Yamada, Takana Kaho, Hideki Toshinaga, Tadao Nakagawa, Kazuhiro Uehara (NTT) SR2013-97 |
[more] |
SR2013-97 pp.9-14 |
SR |
2014-01-24 16:10 |
Miyagi |
Tohoku Univ. |
A Study on Digital Predistortion Technique for Dual-band Amplification with Different Output Power Takayuki Yamada, Takana Kaho, Yo Yamaguchi, Hiroyuki Shiba, Tadao Nakagawa (NTT), Ikuma Ando, Gia Khanh Tran, Kiyomichi Araki (Tokyo Inst. of Tech.) SR2013-94 |
To realize User-Centric Wireless Networks which integrates various wireless systems on a unified hardware platform towar... [more] |
SR2013-94 pp.103-108 |
MW |
2013-12-19 12:15 |
Saitama |
Saitama Univ. |
Experimental Validation of Digital Pre-distortion Technique for Multi-Band Multi-signal Amplification by Single Feedback System Employing Multi-band Mixer Ikuma Ando, Gia Khanh Tran, Kiyomichi Araki (Tokyo Tech), Takayuki Yamada, Takana Kaho, Yo Yamaguchi (NTT) MW2013-157 |
To realize User-Centric Wireless Networks which integrates various wireless systems on a unified hardware platform towar... [more] |
MW2013-157 pp.35-40 |
SR |
2013-10-24 13:00 |
Osaka |
Osaka Univ. |
[Technology Exhibit]
Proposal of a Broadband Spectrum Sensing Platform Hiroyuki Shiba, Yo Yamaguchi, Takayuki Yamada, Takana Kaho, Hideki Toshinaga, Tadao Nakagawa, Kazuhiro Uehara (NTT) SR2013-61 |
[more] |
SR2013-61 pp.43-48 |
MW, AP (Joint) |
2013-09-13 09:55 |
Tokyo |
NHK Science Tech. Research Lab. |
A Study on Parameter Optimization for Orthogonal Polynomial Based Digital Predistortion of Concurrently Amplified Dual-band Single-carrier Signals Ikuma Ando, Gia Khanh Tran, Kiyomichi Araki (Tokyo Inst. of Tech.), Takayuki Yamada, Takana Kaho, Yo Yamaguchi (NTT) MW2013-91 |
To realize “User-Centric Wireless Networks” which integrates various wireless systems on a unified hardware platform tow... [more] |
MW2013-91 pp.17-22 |
EMM |
2013-01-29 13:30 |
Miyagi |
Tohoku Univ. |
Evaluation of privacy visor to prevent face recognition from camera image Takayuki Yamada (NII), Seiichi Gohshi (Kogakuin University), Isao Echizen (NII) EMM2012-92 |
A method is proposed for preventing privacy invasion through unintentional capture of facial images. Prevention methods ... [more] |
EMM2012-92 pp.7-12 |
AP, MW (Joint) |
2012-09-28 16:15 |
Saitama |
KDDI R&D LABS |
Evaluation of a predistorter for OFDM signals on simultaneously transmitting multi-band signals Ikuma Ando, Gia Khanh Tran, Kiyomichi Araki (Tokyo Tech.), Takayuki Yamada, Takana Kaho, Yo Yamaguchi (NTT) MW2012-79 |
To realize “Flexible Wireless System” which integrates various wireless systems on a unified hardware platform,
we exam... [more] |
MW2012-79 pp.77-82 |
MW (Workshop) |
2012-08-08 - 2012-08-10 |
Overseas |
Chulalongkorn University, Bangkok, Thailand |
Design of Multi-band Predistorter and Modeling for Multi-band Power Amplifier Ikuma Ando, Gia Khanh Tran, Kiyomichi Araki (Tokyo Tech Univ.), Takayuki Yamada, Yo Yamaguchi, Takana Kaho (NTT) |
To realize ``Flexible Wireless System'' which integrates various wireless systems on a unified hardware platform, we exa... [more] |
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