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 |
SCE |
2021-08-06 13:30 |
Online |
Online |
High light absorption efficiency design by FDTD simulation in superconducting nanostrip photon detector Mai Nishikawa, Kouhei Sawai, Hiroyuki Shibata (Kitami IT) SCE2021-2 |
An optical simulation using the finite differential time domain (FDTD) method was performed to improve the detection eff... [more] |
SCE2021-2 pp.5-9 |
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 |
SCE |
2014-10-15 14:05 |
Miyagi |
Tohoku University, RIEC |
Fabrication of MgB2 nanowire superconducting single-photon detector using Br2-N2 dry etching Hiroyuki Shibata (NTT) SCE2014-36 |
For the development of superconducting devices using MgB_2, it is necessary to develop the new nano fabrication process ... [more] |
SCE2014-36 pp.11-15 |
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 |
QIT (2nd) |
2013-11-19 17:10 |
Tokyo |
Waseda Univ. |
Quantum key distribution over 306 km using superconducting single-photon detector with ultralow dark count rate Hiroyuki Shibata, Kaoru Shimizu, Toshimori Honjo (NTT) |
[more] |
|
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 |
SCE |
2013-10-03 09:55 |
Miyagi |
Tohoku University, RIEC |
Fabrication of superconducting single-photon detector with ultralow dark count rate and quantum key distribution over 300 km Hiroyuki Shibata, Kaoru Shimizu, Toshimori Honjo, Hiroki Takesue, Yasuhiro Tokura (NTT) SCE2013-30 |
We report the fabrication of a superconducting nanowire single-photon detector (SSPD) with an ultralow dark count rate (... [more] |
SCE2013-30 pp.61-66 |
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 |
|