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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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) |
| 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 |
| 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) |
| AP | 2020-02-21 13:25 |
Shizuoka | Shizuoka Univ. Hamamatsu Campus | [Invited Lecture]
Doppler Spectrum Characteristics of 4.7 and 28 GHz in High-Speed Moving Environment exceeding 280 km/h Nobuaki Kuno, Wataru Yamada, Yusuke Asai, Yasushi Takatori (NTT), Minoru Inomata, Satoshi Suyama (NTT DOCOMO), Ichiro Nakagawa, Masanori Ichinose (NTT Communications) AP2019-192 |
In Japan, 5G System Integrated Verification Trial have been conducted by the Ministry of Internal Affairs and Communicat... [more] | AP2019-192 pp.63-68 |
| LOIS, ICM | 2020-01-09 14:25 |
Nagasaki | ARKAS SASEBO | Study on Method of Identifying Affected Equipment to Support Recovery Operation in a Large-scale Disaster Kimihiko Fukami, Masataka Sato, Shohei Nishikawa, Kenji Murase, Kenichi Tayama (NTT) ICM2019-33 LOIS2019-48 |
Communication career has to quickly and accurately recover from communication failures that frequently occur in multiple... [more] | ICM2019-33 LOIS2019-48 pp.19-24 |
| RCS, SAT (Joint) |
2019-08-23 11:00 |
Aichi | Nagoya University | [Encouragement Talk]
PAPR Reduction Effect by Sub-Spectrum Rotation when Multiple Division in Direct Spectrum Division Transmission Sumika Omata, Takatoshi Sugiyama (Kogakuin Univ.), Izumi Urata, Fumihiro Yamashita (NTT) SAT2019-35 |
[more] | SAT2019-35 pp.99-104 |
| EMCJ | 2019-07-18 16:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Establishing transmission and scattering simulation model of building wall at 2.4GHz band with experimental evaluation of transmission characteristics Takanobu Nakajyo, Atsuhiro Nishikata (Tokyo Tech), Kota Ito, Yushi Shirato, Naoki Kita (NTT) EMCJ2019-29 |
[more] | EMCJ2019-29 pp.65-69 |
| ICM, IPSJ-CSEC, IPSJ-IOT | 2019-05-24 09:00 |
Osaka | Proposal and Evaluation of the Method for End-User Configuration of the User Interface Augmentation Hidetaka Koya, Makoto Komiyama, Hajime Nakajima, Akira Kataoka, Takeshi Masuda (NTT) ICM2019-4 |
The User Interface Augmentation Technology is the method for attaching additional user interfaces implemented various fu... [more] | ICM2019-4 pp.59-64 |
|
| SANE, SAT (Joint) |
2019-02-13 10:00 |
Kagoshima | Tanegashima Island | A Study on PAPR Reduction by Sub-Spectrum Rotation in Direct Spectrum Division Transmission Sumika Omata, Motoi Shirai, Takatoshi Sugiyama (Kogakuin Univ.), Izumi Urata, Fumihiro Yamashita (NTT) SAT2018-57 |
[more] | SAT2018-57 pp.1-6 |
| SANE, SAT (Joint) |
2019-02-13 13:30 |
Kagoshima | Tanegashima Island | Analysis of the MIMO channel for LEO Satellites Chihaya Kato, Mitsuhiro Nakadai (JAXA), Daisuke Goto, Daiki Shibayama, Fumihiro Yamashita (NTT) SAT2018-60 |
In the Low Earth Orbital (LEO) Satellites, transmission data rate of the satellite communication is rapidly increasing t... [more] | SAT2018-60 pp.17-22 |
| RCS, SIP, IT | 2019-01-31 11:05 |
Osaka | Osaka University | FIR-type Transmit Beamforming for Wide-band Single Carrier MIMO Transmission Keita Kuriyama, Hayato Fukuzono, Masafumi Yoshioka, Tsutomu Tatsuta (NTT) IT2018-40 SIP2018-70 RCS2018-247 |
Wide-band single carrier MIMO transmission performance suffers from inter-symbol interference and inter-stream interfere... [more] | IT2018-40 SIP2018-70 RCS2018-247 pp.31-36 |
| RCS, AP (Joint) |
2018-11-22 14:30 |
Okinawa | Okinawa Industry Support Center | [Invited Lecture]
An Experimental Study on Delay Characteristics in VHF Band Toshio Ito, Hayato Fukuzono, Masafumi Yoshioka, Tsutomu Tatsuta, Naoki Kita (NTT) AP2018-137 RCS2018-212 |
In the wireless communications using a VHF band, while the long distance transmission with low attenuation is expectable... [more] | AP2018-137 RCS2018-212 pp.197-202(AP), pp.193-198(RCS) |
| OPE, LQE, OCS | 2018-10-19 09:30 |
Saga | A Design of Low MDL Scrambling-type PLC 6 Mode Multi/ Demultiplexer Motoki Shirata, Misa Kudo, Takeshi Fujisawa (Hokkaidou Univ.), Taiji Sakamoto, Takashi Matsui, Kyozo Tsujikawa, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaidou Univ.) OCS2018-40 OPE2018-76 LQE2018-65 |
The design of four-, six-, and eight-mode scrambling-type mode multi/demultiplexers (mode scramblers) together with the ... [more] | OCS2018-40 OPE2018-76 LQE2018-65 pp.65-70 |
|
| IN, NS, CS, NV (Joint) |
2018-09-07 15:15 |
Miyagi | Research Institute of Electrical Communication, Tohoku Univ. | Implementation and basic evaluation of in-service software updating on prototype optical access equipment Takumi Harada, Manabu Yoshino, Takashi Yamada, Jun-ichi Kani, Jun Terada (NTT) CS2018-54 |
[more] | CS2018-54 pp.75-80 |
| SIP, IT, RCS | 2018-01-23 16:00 |
Kagawa | Sunport Hall Takamatsu | Database Reference Type Wireless Resource Allocation Method According to Station Distribution Under High Density Wireless Access Environment Keisuke Wakao, Hirantha Abeysekera, Kenichi Kawamura, Yasushi Takatori (NTT) IT2017-101 SIP2017-109 RCS2017-315 |
As base station density grows aim to enlarging wireless system capacity, frequency utilization degradation caused by int... [more] | IT2017-101 SIP2017-109 RCS2017-315 pp.267-272 |
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