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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 21 - 40 of 220 [Previous]  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS 2021-06-23
10:00
Online Online Experimental Evaluation of Frequency Domain-STBC for UL-NOMA System
Atsushi Kurosawa, Masafumi Moriyama, Kenichi Takizawa, Takeshi Matsumura, Fumihide Kojima (NICT) RCS2021-32
In recent years, the necessity of massive connections has been increased for IoT devices. We have developed a communicat... [more] RCS2021-32
pp.19-24
SRW 2021-06-21
09:00
Online Online Analysis of 920MHz band received power fluctuation in a factory environment
Hirokazu Sawada, Hikaru Kawasaki, Azril Haniz, Kazuo Ibuka, Fumihide Kojima, Takeshi Matsumura (NICT), Kotaro Ikeda, Kensuke Matsui, Takuto Kurose (YAZAKI), Yasuyuki Yanagi (YAZAKI ES), Tadahide Kunitachi (YAZAKI) SRW2021-1
 [more] SRW2021-1
pp.1-6
RCS, IN, NV
(Joint)
2021-05-28
10:40
Online Online Propagation Measurement and Communication Experiments using WLAN Devices for Constructing an Information Collection System in the Factory Environment
Kotaro Ikeda, Takuto Kurose, Kensuke Matsui (YAZAKI), Yasuyuki Yanagi (YAZAKI ES), Tadahide Kunitachi (YAZAKI), Hirokazu Sawada, Kazuo Ibuka, Takeshi Matsumura, Fumihide Kojima (NICT) RCS2021-24
In this paper, we conducted radio wave propagation measurement and communication experiments using WLAN devices in an op... [more] RCS2021-24
pp.47-52
SR 2021-05-21
14:00
Online Online [Technology Exhibit] 5G experimental trial based on smart spectrum
Kenta Umebayashi, Hiroki Iwata (TUAT), Hirofumi Nakajo (UEC), Hikaru Kawasaki (NICT), Yusaku Babazono, Yoshinori Yahiro (TUAT), Takeo Fujii, Koichi Adachi, Taiki Matsushima (UEC), Yusuke Shibata (ECATV), Kazuo Ibuka, Takeshi Matsumura, Fumihide Kojima (NICT) SR2021-18
 [more] SR2021-18
pp.120-127
RCS, SR, SRW
(Joint)
2021-03-03
12:05
Online Online A Study on Lazy Learning-Based Self-Interference Cancellation Approach for In-Band Full-Duplex Wireless Communication Systems
Ou Zhao, Wei-Shun Liao, Keren Li, Takeshi Matsumura, Fumihide Kojima, Hiroshi Harada (NICT) RCS2020-214
To further improve spectral efficiency for current wireless communication systems, we propose a new lazy learning-based ... [more] RCS2020-214
pp.67-72
RCS, SR, SRW
(Joint)
2021-03-03
16:20
Online Online [Invited Lecture] NICT's R&D Activities on the Future Terrestrial Wireless Communication Systems toward B5G/6G -- Integrated Communication Systems That Harmonize Requirements with Environments --
Fumihide Kojima, Takeshi Matsumura (NICT) RCS2020-220 SR2020-67 SRW2020-58
NICT is promoting radio and development activities on enhanced radio access technologies, expanded radio systems deploym... [more] RCS2020-220 SR2020-67 SRW2020-58
pp.82-87(RCS), pp.23-28(SR), pp.23-28(SRW)
RCS, SR, SRW
(Joint)
2021-03-05
10:30
Online Online Propagation Measurement using 920 MHz band Wireless Device to Construct the Information Collection System in a Factory Environment
Hirokazu Sawada, Kazuo Ibuka, Takeshi Matsumura, Fumihide Kojima (NICT), Kotaro Ikeda, Kensuke Matsui, Takuto Kurose (YAZAKI), Yasuyuki Yanagi (YAZAKI ES), Tadahide Kunitachi (YAZAKI) SRW2020-75
 [more] SRW2020-75
pp.77-81
RCC 2021-01-22
14:20
Online Online Communication Software Development for Ships Emergency Sensing and Alarm System (SENSAS)
Huan-Bang Li, Kenichi Takizawa, Lin Shan (NICT), Shinji Tsuzuki (Ehime University), Kazuhiko Nagao (Yuge College), Fumihide Kojima (NICT) RCC2020-36
Automatic Identification System (AIS) is used for assisting safe sailing of vessels and passenger ships, e.g., as an aid... [more] RCC2020-36
pp.9-14
NS, RCS
(Joint)
2020-12-18
10:25
Online Online Prototype of Analog Self-interference Cancellation Circuit for Multi-band Full-duplex Base Station
Takeshi Matsumura, Fumihide Kojima (NICT) RCS2020-144
5G (5th Generation mobile communication system) has been commercialized, and it is expected that QoE (Quality of Experi-... [more] RCS2020-144
pp.54-59
ITS, WBS, RCC 2020-12-14
11:10
Online Online UWB-Related IEEE802.15 Standards and Application Perspective
Huan-Bang Li, Kenichi Takizawa, Fumihide Kojima (NICT) WBS2020-12 ITS2020-8 RCC2020-15
We present overviews on IR-UWB related standards developed within Working Group 15. Emphasis is laid on the enhancement ... [more] WBS2020-12 ITS2020-8 RCC2020-15
pp.25-30
AP
(2nd)
2020-12-10
13:20
Okinawa Nobumoto Ohama Memorial Hall
(Primary: On-site, Secondary: Online)
300 GHz Antennas Pattern Measurement over the entire circumference -- To Extend the Applicable Frequency Range of Recommendation ITU-R F.699 for 6G --
Keizo Inagaki, Hirokazu Sawada, Katsumi Fujii, Hiroyo Ogawa, Atsushi Kanno, Fumihide Kojima, Shingo Saito, Norihiko Sekine, Akifumi Kasamatsu, Iwao Hosako (NICT)
 [more]
SR 2020-11-20
10:50
Online Online Advanced Radio Emulation System toward B5G Network Based on Cyber Physical Fusion -- Large-scale Virtual Radio Evaluation Testbed with Cyber and Physical Radio Nodes --
Takeshi Matsumura, Hirokazu Sawada, Fumihide Kojima, Toshiyuki Miyachi, Hiroaki Harai, Iwao Hosako (NICT), Jun-ichi Takada (Tokyo Tech), Hiroshi Harada (Kyoto Univ) SR2020-41
In the Society5.0 era, spectrum shortage and spectrum efficiency degradation will become more serious. To solve these pr... [more] SR2020-41
pp.120-127
CS 2020-11-05
15:10
Online Online + Central Community Center, Nonoichi Community Center
(Primary: Online, Secondary: On-site)
[Invited Talk] Semi-Blind Channel Estimation using Pilot Subcarriers and Subspace Approach in Orthogonal Precoded OFDM
Hikaru Kawasaki, Takeshi Matsumura, Fumihide Kojima (NICT) CS2020-50
Orthogonal precoded (OP)-orthogonal frequency-division multiplexing (OFDM) is an OFDM scheme with an invertible precodin... [more] CS2020-50
pp.18-23
CS 2020-11-06
13:55
Online Online + Central Community Center, Nonoichi Community Center
(Primary: Online, Secondary: On-site)
[Invited Lecture] Technology for Improving Connectivity with Local Networks Assuming Local 5G and Its Demonstration
Takeshi Matsumura, Kazuo Ibuka, Hikaru Kawasaki, Fumihide Kojima (NICT) CS2020-61
Local 5G is expected as a system that enables a unique and advanced local network according to respective local demands.... [more] CS2020-61
pp.69-74
IN, ICTSSL, NWS 2020-10-22
16:20
Online Online [Invited Talk] Lifelog Collection Experiments and Results With Device-to-Device Communications
Huan-Bang Li, Lin Shan, Kenichi Takizawa, Fumihide Kojima (NICT), Yasushi Fuwa (Shinshu University) ICTSSL2020-21
We developed a lifelog collection system for elderly monitoring in depopulated areas which was reported in our previous ... [more] ICTSSL2020-21
pp.45-50
MIKA
(3rd)
2020-10-08
16:00
Niigata
(Primary: On-site, Secondary: Online)
[Invited Talk] On the use of RF signals in seawater
Kenichi Takizawa, Ryotaro Suga, Takashi Matsuda (NICT), Hiroshi Yoshida (JAMSTEC), Fumihide Kojima (NICT)
 [more]
CS, IN, NS, NV
(Joint)
2020-09-10
10:25
Online Online [Invited Lecture] Real-world wireless channel measurement for developing realistic simulation environment of intelligent mobility system
Changwoo Pyo, Toshiyuki Miyachi, Yoshiyuki Miyazawa, Fumihide Kojima (NICT) CS2020-39
Under the tightening usage of radio frequencies and the interference with other systems due to the spread of a wide vari... [more] CS2020-39
pp.24-29
SR, NS, SeMI, RCC, RCS
(Joint)
2020-07-08
15:50
Online Online Lifelog Collection System Based on Device-to-Device Communications
Huan-Bang Li, Lin Shan, Kenichi Takizawa, Fumihide Kojima (NICT), Yasushi Fuwa (Shinshu University) RCC2020-3
 [more] RCC2020-3
pp.7-12
SR, NS, SeMI, RCC, RCS
(Joint)
2020-07-10
13:55
Online Online Field Trial of Millimeter Wave Local Network System based on RoF Technology in Railway Environment
Hikaru Kawasaki, Kazuo Ibuka, Azril Haniz, Takeshi Matsumura, Fumihide Kojima (NICT), Daiki Shibahara, Kenichiro Kamohara, Fumitoshi Abe, Reiji Ishima, Shimpei Toyoda, Youichi Watanabe, Takashi Sugawara (JR-EAST), Shogo Ogawa, Daisuke Yamaguchi, Koki Iwamoto, Kazuki Nakamura (RTRI) RCS2020-75
For mobile vehicles like trains and automobiles, it is important for local operators to efficiently deploy linear cells ... [more] RCS2020-75
pp.99-104
SAT, WBS, RCC
(Joint)
2020-05-15
11:05
Fukuoka Fukuoka Institute of Technology
(Cancelled but technical report was issued)
Local Information Sharing System Using Device-to-Device Communications
Lin Shan, Huan-Bang Li, Ryu Miura, Fumihide Kojima (NICT) WBS2020-1 RCC2020-1 SAT2020-2
This study aims to develop, construct, and validate a system of device-to-device (D2D) communications for information co... [more] WBS2020-1 RCC2020-1 SAT2020-2
pp.1-6(WBS), pp.1-6(RCC), pp.7-12(SAT)
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