Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS |
2022-10-27 13:00 |
Ehime |
Ehime University, and 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 |
AP, MW (Joint) |
2018-09-20 14:30 |
Tokyo |
Tokyo Tech |
A Study of Quasi-Millimeter Wave Transceiver Frontend Module Takana Kaho, Yo Yamaguchi, Hiroyuki Shiba (NTT), Yasunori Suzuki, Hiroshi Okazaki (NTT DOCOM) MW2018-59 |
[more] |
MW2018-59 pp.1-6 |
ED, MW |
2018-01-26 13:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
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, MW (Joint) |
2017-09-21 14:25 |
Saitama |
Saitama University |
A Study of Quasi-Millimeter Wave Integrated Front-End Module Including Antenna and Filter Yasunori Suzuki, Kei Satoh, Hiroshi Okazaki, Shoichi Narahashi (NTT DOCOMO), Takana Kaho, Yo Yamaguchi, Maki Arai, Hiroyuki Shiba (NTT) MW2017-69 |
[more] |
MW2017-69 pp.5-9 |
AP, MW (Joint) |
2017-09-21 14:50 |
Saitama |
Saitama University |
A Study of Quasi-Millimeter Wave Frontend ICs and Modules Takana Kaho, Yo Yamaguchi, Maki Arai, Hiroyuki Shiba (NTT), Yasunori Suzuki, Kei Sato, Hiroshi Okazaki, Shoichi Narahashi (NTT DOCOMO) MW2017-70 |
Application of Massive MIMO and beamforming technology using array antennas in the quasi-millimeter wave band is being ... [more] |
MW2017-70 pp.11-15 |
RCS, SAT (Joint) |
2017-08-18 10:30 |
Niigata |
Niigata Univ. |
[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) |
SR |
2016-10-27 15:00 |
Osaka |
Osaka Univ. Nakanoshima Center |
[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 |
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 |
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 |
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 |
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 |
MoNA, AN, USN (Joint) |
2013-01-25 15:00 |
Miyagi |
ICHINOBO (Sendai-city) |
A Study of Accommodation Design for Sensor Divices in User-centric Wireless Networks Daisei Uchida, Mamoru Kobayashi, Yushi Shirato, Hideki Toshinaga, Hiroyuki Shiba, Shuichi Yoshino (NTT) USN2012-75 |
In recent years, wireless networks are rapidly diffused in home networks with widespread use of smartphones and tablets.... [more] |
USN2012-75 pp.85-90 |
SR |
2012-05-24 13:00 |
Kanagawa |
Keio univ. at Hiyoshi |
[Technology Exhibit]
Flexible Wireless System Prototype using 1-bit Compressed Sensing with Partial Random Circulant Measurement Matrices for User-centric Wireless Networks Takayuki Yamada, Doohwan Lee, Takana Kaho, Hiroyuki Shiba, Yo Yamaguchi, Kazunori Akabane, Kazuhiro Uehara (NTT) SR2012-10 |
This paper show the implementation of flexible wireless system (FWS) using compressed sensing (CS) for User-centric Wire... [more] |
SR2012-10 pp.59-64 |
RCS, AN, SR, USN (Joint) |
2011-10-26 16:30 |
Tokyo |
Sophia Univ. |
1 bit compressed sensing using partial random circulant measurement matrix for Flexible Wireless System Doohwan Lee (NTT), Tatsuya Sasaki (Univ. of Tokyo), Takayuki Yamada, Kazunori Akabane, Hiroyuki Shiba, Takana Kaho, Yo Yamaguchi, Kazuhiro Uehara (NTT) RCS2011-155 SR2011-58 AN2011-33 USN2011-35 |
Compressed sensing has been drawn explosive attention during last several years. It has been proven that a signal which ... [more] |
RCS2011-155 SR2011-58 AN2011-33 USN2011-35 pp.95-100(RCS), pp.97-102(SR), pp.77-82(AN), pp.77-82(USN) |
SR |
2011-07-28 15:05 |
Kanagawa |
YRP |
[Technology Exhibit]
Compressed Sensing Technology for Flexible Wireless System Doohwan Lee, Takayuki Yamada, Takana Kaho, Hiroyuki Shiba, Yo Yamaguchi, Kazunori Akabane, Kazuhiro Uehara (NTT) SR2011-29 |
Flexible wireless system (FWS) is a unified wireless platform which simultaneously deals with various types of wireless ... [more] |
SR2011-29 pp.75-80 |
SR |
2011-07-29 13:00 |
Kanagawa |
YRP |
[Invited Talk]
Research and Development of Flexible Wireless System
-- Future wireless platform which can simultaneously deal with various types of wireless systems -- Kazunori Akabane, Doohwan Lee, Takayuki Yamada, Takana Kaho, Hiroyuki Shiba, Yo Yamaguchi, Kazuhiro Uehara (NTT) SR2011-40 |
[more] |
SR2011-40 p.149 |
RCS, MoNA, SR (Joint) |
2011-03-02 13:20 |
Kanagawa |
YRP |
An Intuitive Introduction to Compressed Sensing Doohwan Lee, Takayuki Yamada, Hiroyuki Shiba, Yo Yamaguchi, Kazuhiro Uehara (NTT Corp.) SR2010-89 |
Compressed sensing has been drawn explosive attention during last several years. It has been proven that a signal which ... [more] |
SR2010-89 pp.9-16 |
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