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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 110  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EMCJ 2023-01-27
13:10
Okayama WASHU BLUE RESORT Large-scale FDTD analysis to estimate indoor environmental propagation characteristics for local 5G optimal area design
Kazuki Yoshida, Takashi Hikage, Manabu Yamamoto (Hokkaido Univ.), Nobuaki Kuno, Minoru Inomata, Wataru Yamada (NTT)
 [more]
RCS, NS
(Joint)
2022-12-15
15:00
Aichi Nagoya Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
[Invited Lecture] Multi-Radio Proactive Control Technologies (Cradio)
Kenichi Kawamura, Motoharu Sasaki, Toshirou Nakahira, Naoki Shibuya, Daisuke Murayama, Takatsune Moriyama (NTT)
(To be available after the conference date) [more]
SRW, SeMI, CNR
(Joint)
2022-11-25
11:05
Tochigi Epinard Nasu
(Primary: On-site, Secondary: Online)
n/a
Natsuki Ikuo, Sorachi Kato, Hiroaki Shinmiya, Takuya Fujihashi (Osaka Univ.), Tomoki Murakami (NTT), Takashi Watanabe, Shunsuke Saruwatari (Osaka Univ.) SeMI2022-58
(To be available after the conference date) [more] SeMI2022-58
pp.31-36
RISING
(3rd)
2022-10-31
10:30
Kyoto Kyoto Terrsa (Day 1), and Online (Day 2, 3) [Poster Presentation] Blockage Prediction Using Transmit/Receive Beam-pairs in mmWave Networks
Itsuki Yonemura, Takamochi Kanda, Ryosuke Hanahara, Koji Yamamoto (Kyoto Univ.), Takuto Arai, Shuki Wai, Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita (NTT)
This study experimentally demonstrates a novel blockage prediction based on exhaustive beam-pair scan in millimeter wav... [more]
CQ, ICM, NS, NV
(Joint)
2021-11-25
10:30
Fukuoka JR Hakata Stn. Hakata EkiHigashi Rental Room
(Primary: On-site, Secondary: Online)
Prototype Evaluation of Overlay Quality Control Technology Independent of Wireless Network
Yuki Sakaue, Tatsuya Fukui, Ryohei Tsugami, Tomohiro Taniguchi (NTT) CQ2021-65
Recently, various applications and services have appeared, and the network which accommodates them is required to deal w... [more] CQ2021-65
pp.13-16
AP, RCS
(Joint)
2021-11-10
16:20
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
Study on signal processing method of virtual massive array with measured pattern
Sota Takahashi, Kentaro Nishimori (Niigata Univ.), Tomoki Murakami (NTT) AP2021-107
 [more] AP2021-107
pp.39-43
AP, RCS
(Joint)
2021-11-11
11:20
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
A Study of the Relationship between Antenna Height and K-factor with Drone Relay Stations
Shun Dohi, Kentaro Nishimori (Niigata Univ.), Wataru Yamada, Nobuaki Kuno (NTT) AP2021-113
Currently, the use of microwave and millimeter-wave bands is being considered for outdoor applications to cope with the ... [more] AP2021-113
pp.71-74
MIKA
(3rd)
2021-10-28
10:30
Okinawa
(Primary: On-site, Secondary: Online)
[Poster Presentation] Distance Characteristics of K-factor with Antenna Height Variation for a Drone Relay Station
Shun Dohi, Kentaro Nishimori (Niigata Univ.), Wataru Yamada, Nobuaki Kuno (NTT)
Currently, the use of microwave and millimeter wave bands is being considered for outdoor applications to cope with the ... [more]
MIKA
(3rd)
2021-10-29
10:30
Okinawa
(Primary: On-site, Secondary: Online)
[Poster Presentation] Evaluation on virtual massive array with measured patterns in multi-level modulation scheme
Sota Takahashi, Kentaro Nishimori (Niigata Univ.), Tomoki Murakami (NTT)
 [more]
ICM 2021-07-16
11:25
Online Online [Encouragement Talk] Study of Common Operation Extraction Method from UI Logs to Support RPA Introduction
Yuki Urabe, Sayaka Yagi, Kimio Tsuchikawa, Fumihiro Yokose, Haruo Oishi (NTT) ICM2021-18
In recent years, many companies are introducing RPA tools to improve their business operations by automating their tasks... [more] ICM2021-18
pp.46-51
SR 2021-05-20
15:20
Online Online [Invited Lecture] A prototype of business support tool for wireless system utilizing software defined radio technology
Yu Ono, Tatsuya Nakatani, Toshifumi Miyagi (NTT) SR2021-8
NTT has many types of wireless systems, so that improvement of work efficiency is an important issue.
NTT access networ... [more]
SR2021-8
pp.49-56
ICM, IPSJ-CSEC, IPSJ-IOT 2021-05-14
13:20
Online Online A Study of Reinforcement Learning for Solving Multi-Vehicle Routing Problems
Kazuaki Akashi, Shunsuke Kanai, Kenichi Tayama, Zhao Wang, Yuusuke Nakano, Ken Nishimatsu (NTT) ICM2021-5
In recent years, deep reinforcement learning method have been studied for solving vehicle routing problems. For multi-ve... [more] ICM2021-5
pp.23-28
OPE, OCS, OFT
(Joint) [detail]
2021-02-19
11:15
Online Online Optimization of Optical Access Network Design for Beyond 5G
Shingo Ohno, Chihiro Kito, Kunihiro Toge, Shigekatsu Tetsutani, Shoichi Furujo (NTT) OFT2020-66 OPE2020-87
This paper describes optical access network design for beyond 5G and its optimum design parameters. While conventional o... [more] OFT2020-66 OPE2020-87
pp.50-53(OFT), pp.55-58(OPE)
SANE 2021-01-28
14:40
Online Online Evaluation of Short-Range Indoor Positioning Method Using V matrix and Non-Uniform Antenna Array
Yuto Takahashi, Naoki Honma, Kentaro Murata (Iwate Univ), Tomoki Murakami, Tomoaki Ogawa (NTT) SANE2020-41
In this report, we propose an indoor localization method using a captured V matrix, which is used in the devices complyi... [more] SANE2020-41
pp.20-25
EST 2021-01-22
13:40
Online Online A Study on Simulation Accuracy for Numerical estimation of Indoor Multipath Propagation Characteristics Using a Large-Scale FDTD Analysis
Akika Yoshie, Ai Sato, Takashi Hikage, Yamamoto Omiya, Manabu Omiya (Hokkaido Univ.), Nobuaki Kuno, Minoru Inomata, Wataru Yamada (NTT) EST2020-73
 [more] EST2020-73
pp.103-107
NS, ICM, CQ, NV
(Joint)
2020-11-26
11:20
Online Online A Study of Business Task Classification Method for UI Logs Using Business Operational Manuals
Yuki Urabe, Shiro Ogasawara, Kimio Tsuchikawa, Sayaka Yagi, Haruo Oishi (NTT) ICM2020-22
Understanding the actual business operations is highly important to realize effective performance improvement. One of th... [more] ICM2020-22
pp.23-28
MW, EST, EMCJ, PEM, IEE-EMC [detail] 2020-10-22
12:15
Online Online An Investigation on Transmission Characteristics Improvement Method by Double-sided Impedance Matching Using Metal Patch Array on Reinforced Concrete Wall
Takanobu Nakajyo, Atsuhiro Nishikata (Tokyo Tech), Kota Ito, Yushi Shirato, Naoki Kita (NTT Access Network Service Systems Laboratories) EMCJ2020-31 MW2020-45 EST2020-33
 [more] EMCJ2020-31 MW2020-45 EST2020-33
pp.36-41
MW, AP
(Joint)
2020-09-24
13:50
Online Online [Poster Presentation] Evaluation of Channel Capacity Considering Propagation Characteristics of UAV's Height
Shun Dohi, Kentaro Nishimori (Niigata Univ.), Wataru Yamada, Nobuaki Kuno (NTT) AP2020-51
The authors have proposed a MIMO transmission system using a unmanned aerial vehicle (drone) as a relay station to impro... [more] AP2020-51
pp.86-91
SAT, RCS
(Joint)
2020-08-21
10:30
Online Online [Encouragement Talk] Doppler frequency estimation of Superimposed Control Signal of multiple satellites by Deep Learning in LEO-MIMO
Ryo Okema (Nagoya Univ.), Daisuke Goto (NTT), Takaya Yamazato (Nagoya Univ.), Fumihiro Yamashita, Kiyohiko Itokawa (NTT) SAT2020-19
This paper focuses on satellite MIMO (Multi-Input Multi-Output) technology to increase the capacity of Low Earth Orbit (... [more] SAT2020-19
pp.47-52
OCS, OFT, OPE
(Joint) [detail]
2020-02-28
14:35
Okinawa Okinawa Jichikaikan Optical Access Network Design for Uncertainly Distributed Demands
Shingo Ohno, Chihiro Kito, Kunihiro Toge, Shigekatsu Tetsutani, Jun-ichi Kawataka (NTT) OFT2019-71 OPE2019-114
(Advance abstract in Japanese is available) [more] OFT2019-71 OPE2019-114
pp.59-62(OFT), pp.79-82(OPE)
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