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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 85  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
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
SRW, SeMI, CNR
(Joint)
2020-11-26
09:40
Online Online A Fundamental Evaluation of Dynamic-Duplex Cellular System on 5G NR Downlink in High SHF Band
Yuya Arakawa, Kazuki Nishikori, Keiichi Mizutani, Takeshi Matsumura, Hiroshi Harada (Kyoto Univ.) SRW2020-27
IBFD (In-Band Full-Duplex) has been studied on its application to the beyond 5G (5th Generation) since IBFD enables a si... [more] SRW2020-27
pp.13-18
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
SR, NS, SeMI, RCC, RCS
(Joint)
2020-07-08
13:00
Online Online Channel Modeling Algorithm for Rural Area Communication System in TV White Spaces
Ruiting Ouyang, Takeshi Matsumura, Keiichi Mizutani, Hiroshi Harada (Kyoto Univ.) RCS2020-62
To achieve further effective spectrum utilization in wireless communication, TVWS (TV White Spaces)-based communication ... [more] RCS2020-62
pp.25-30
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
SR 2020-06-05
10:30
Online Online PHY Performance Evaluation of IEEE 802.22-based Highly Mobile Wide Area Communication System with an SDR-based Prototype
Ruiting Ouyang, Takeshi Matsumura, Keiichi Mizutani, Hiroshi Harada (Kyoto Univ.) SR2020-3
IEEE 802.22 was standardized as one of the TVWS (TV White Spaces) communication systems and is expected to support a ful... [more] SR2020-3
pp.17-24
RCS 2020-04-23
10:00
Online Online Development of Millimeter Wave Local Network System with Service Area Extension based on RoF Technology
Takeshi Matsumura, Hikaru Kawasaki, Kazuo Ibuka, Fumihide Kojima (NICT) RCS2020-1
Currently, Local 5G (5th Generation Communication System), which provides private services within limited sites such as ... [more] RCS2020-1
pp.1-6
RCS 2020-04-23
10:35
Online Online Demonstration Experiment of Virtual Pre-Connection Scheme for Trains with Millimeter Wave Railway Linear Cell
Kazuo Ibuka, Hikaru Kawasaki, Azril Haniz, Takeshi Matsumura, Fumihide Kojima (NICT), Daiki Shibahara, Kenichiro Kamohara, Fumitoshi Abe, Reiji Ishima (JR-EAST), Shogo Ogawa, Daisuke Yamaguchi, Koki Iwamoto, Kazuki Nakamura (RTRI) RCS2020-2
In the fifth generation mobile communication system (5G), the use of small cells in the super high frequency (SHF) band ... [more] RCS2020-2
pp.7-11
HCS 2020-03-05
14:20
Online Online Meeting [Online] The Relationship between Gestures and Words by a Coach who Teaches Advanced Walking Skill
Masatoshi Yamada (Tokoha Univ.), Daisuke Sato (SATO SPEED), Sayaka Tohyama (Shizuoka Univ.), Takeshi Matsumura (Tokoha Univ.), Yugo Takeuchi (Shizuoka Univ.) HCS2019-98
The purpose of this study is to clarify the relationship between gestures and words by a coach who teaches advanced walk... [more] HCS2019-98
pp.77-82
RCS, SR, SRW
(Joint)
2020-03-04
10:55
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
Self-Interference Cancellation using Adaptive Filter for In-Band Full-Duplex Communication Systems
Wei-Shun Liao, Ou Zhao, Keren Li, Takeshi Matsumura, Fumihide Kojima, Hiroshi Harada (NICT) RCS2019-336
For beyond 5G wireless communication systems, in-band full-duplex (IBFD) is one of the important candidate technologies ... [more] RCS2019-336
pp.87-92
RCS, SR, SRW
(Joint)
2020-03-04
11:15
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
A Lazy Learning Based Cancellation Approach for Full-Duplex Wireless Communication Systems
Ou Zhao, Wei-Shun Liao, Keren Li, Takeshi Matsumura, Fumihide Kojima, Hiroshi Harada (NICT) RCS2019-337
To further improve spectral efficiency for current wireless communication systems, we propose a new lazy learning-based ... [more] RCS2019-337
pp.93-98
RCS, SR, SRW
(Joint)
2020-03-04
11:15
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
Joint Wideband Angular-Frequency Sparse Spectrum Sensing utilizing Compressive Sensing
Azril Haniz, Takeshi Matsumura, Fumihide Kojima (NICT) SR2019-116
The fifth generation (5G) mobile communications system is expected to provide wireless communications services for a wid... [more] SR2019-116
pp.17-24
RCS, SR, SRW
(Joint)
2020-03-04
12:05
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
Signal Detection of 5G New Radio for Spectrum Sharing-based 5G Systems
Riichi Yokoyama, Keiichi Mizutani, Takeshi Matsumura, Hiroshi Harada (Kyoto Univ.) SR2019-118
 [more] SR2019-118
pp.31-38
CS, CAS 2020-02-28
09:00
Kumamoto   Semi-Blind Channel Estimation in Orthogonal Precoded OFDM
Hikaru Kawasaki, Takeshi Matsumura, Fumihide Kojima (NICT) CAS2019-113 CS2019-113
Orthogonal precoded orthogonal frequency-division multiplexing (OFDM) is an OFDM scheme with an invertible precoding. As... [more] CAS2019-113 CS2019-113
pp.87-93
IT, SIP, RCS 2020-01-24
13:25
Hiroshima Hiroshima City Youth Center High-efficiency Sensing Methods of Primary Wireless Transmission System for Spectrum Sharing-based 5G System
Atomu Sakai, Keiichi Mizutani, Takeshi Matsumura, Hiroshi Harada (Kyoto Univ.) IT2019-72 SIP2019-85 RCS2019-302
 [more] IT2019-72 SIP2019-85 RCS2019-302
pp.209-214
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