| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| ED, THz [detail] |
2019-12-23
15:40 |
Miyagi |
|
[Invited Talk]
[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) |
[more] |
|
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) |
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) |
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) |
[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) |
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) |
[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) |
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) |
[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) |
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) |
[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) |
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) |
[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) |
[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.) |
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) |
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) |
[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) |
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) |
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) |
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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