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All Technical Committee Conferences  (Searched in: Recent 10 Years)

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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 12 of 12  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SIP, IT 2025-01-29
10:20
Yamaguchi Kaikyou-messe (Yamaguchi, Online)
(Primary: On-site, Secondary: Online)
A study on improving noise immunity in localization method using BLE
Takanori Iwamatsu, Tomohisa Kosugi, Kazuhiro Suzuki (Life Labo) IT2024-34 SIP2024-73 RCS2024-217
When residents of nursing homes or similar facilities leave their premises, there is a demand for accurate localization ... [more] IT2024-34 SIP2024-73 RCS2024-217
pp.49-54
RCS, SR, SRW
(Joint)
2024-03-13
15:40
Tokyo The University of Tokyo (Hongo Campus), and online (Tokyo, Online)
(Primary: On-site, Secondary: Online)
A study on Indoor Self-Localization Method with a Drone using BLE
Takanori Iwamatsu, Tomohisa Kosugi, Kazuhiro Suzuki (Life Labo), Kaito Hirota, Kei Tanaka, Hitoshi Shimasaki, Saeko Oshiba (KIT) RCS2023-265
When using a drone indoors, it is difficult to estimate its own position because GNSS radio waves cannot reach it. In ma... [more] RCS2023-265
pp.65-70
CAS, CS 2023-03-01
17:05
Fukuoka Kitakyushu International Conference Center (Fukuoka, Online)
(Primary: On-site, Secondary: Online)
A study on Tow-dimensional Localization for Uniform Circular Array using BLE
Takanori Iwamatsu (Life Labo.), Shoki Naitou (KIT), Kazuhiro Suzuki (Life Labo.), Saeko Oshiba (KIT) CAS2022-110 CS2022-87
Localization using wireless such as BLE is often performed by assuming the terminal location as a known plane. This is t... [more] CAS2022-110 CS2022-87
pp.83-88
IN, NS, CS, NV
(Joint)
2021-09-09
14:55
Online Online (Online) Proposal of signal separation using LSTM on wavelength division multiplexed optical wireless communication
Masaki Inomata, Takanori Iwamatsu, Saeko Oshiba (KIT) CS2021-43
We propose a new method for sequential interference cancellation in wavelength-division multiplexed optical wireless com... [more] CS2021-43
pp.13-16
CS, CQ
(Joint)
2021-05-14
09:50
Online On-line (Online) Proposal of Channel Matrix Estimation by Using Neural Networks on Wavelength Division Multiplexing Optical Wireless Communication
Masaki Inomata, Saki Shibata, Takanori Iwamatsu, Saeko Oshiba (KIT) CS2021-8
This paper describes a wavelength division multiplexing (WDM) - optical wireless communication (OWC) system
using orth... [more]
CS2021-8
pp.25-30
CS 2020-11-06
10:50
Online Online + Central Community Center, Nonoichi Community Center (Online, Ishikawa)
(Primary: Online, Secondary: On-site)
A study for personnel proximity prevention measures using BLE -- measures against COVID-19 --
Takanori Iwamatsu (KIT), Kazuhiro Suzuki (LIFE LABORATORY), Saeko Oshiba (KIT) CS2020-58
As countermeasures against the COVID-19, it was shown that the distance accuracy of personnel proximity can be secured b... [more] CS2020-58
pp.60-63
RCS 2019-06-21
09:30
Okinawa Miyakojima Hirara Port Terminal Building (Okinawa) A study on high efficiency phase shift keying on 3-dimensional Euclidean space
Sho Kakuwa, Masahiro Fujii (Utsunomiya Univ.), Takanori Iwamatsu (FTN) RCS2019-82
It is necessary to assign many symbols on In-phase and Quadrature-phase(IQ)-diagram for high speed transmission,but it c... [more] RCS2019-82
pp.261-266
CS, OCS
(Joint)
2018-01-29
13:25
Ehime Ehime University (Ehime) WDM-OFDM visible light communication using MIMO technology
Jun Yabuuchi, Nariisa Omura, Saeko Oshiba (KIT), Takanori Iwamatsu (Fujitsu Telecom Networks) CS2017-79
We demonstrate wavelength division multiplexing (WDM) multicolor light emitting diode (LED) visible light communication ... [more] CS2017-79
pp.5-8
MICT, WBS 2016-07-20
12:30
Tokyo Tokyo Institute of Technology (Tokyo) [Poster Presentation] A study on blind channel estimation by EM algorithm for OFDM systems with multi-QAM
Hirokazu Abe, Masahiro Fujii (Utsunomiya Univ.), Takanori Iwamatsu (Fujitsu Telecom Networks), Hiroyuki Hatano, Atsushi Ito, Yu Watanabe (Utsunomiya Univ.) WBS2016-17 MICT2016-18
We have investigated a blind channel estimation method based on the EM algorithm so far.
Since the conventional method ... [more]
WBS2016-17 MICT2016-18
pp.33-38
MICT, WBS 2016-07-20
12:30
Tokyo Tokyo Institute of Technology (Tokyo) [Poster Presentation] A study on frequency offset estimation by iterative Moose algorithm for OFDM systems
Masaya Ito, Masahiro Fujii (Utsunomiya Univ.), Takanori Iwamatsu (Fujitsu Telecom Networks), Hiroyuki Hatano, Atsushi Ito, Yu Watanabe (Utsunomiya Univ.) WBS2016-18 MICT2016-19
A frequency offset caused by a difference between the carrier frequencies at the transmitter and the receiver results in... [more] WBS2016-18 MICT2016-19
pp.39-44
RCC, ITS, WBS 2015-12-17
13:30
Okinawa Okinawa Industry Support Center (Okinawa) [Poster Presentation] A Study on Blind Channel Estimation by EM Algorithm for OFDM Systems
Hirokazu Abe, Masahiro Fujii (Utsunomiya Univ.), Takanori Iwamatsu (Fujitsu Telecom Networks), Hiroyuki Hatano, Atsushi Ito, Yu Watanabe (Utsunomiya Univ.) WBS2015-53 ITS2015-25 RCC2015-55
It is necessary to estimate the channel state information coherently to equalize the received signal in wireless communi... [more] WBS2015-53 ITS2015-25 RCC2015-55
pp.79-84
CS 2015-11-13
10:50
Hokkaido Hotel Taisetsu (Sounkyo Spa, Hokkaido) (Hokkaido) A consideration on performance evaluation of linear/rectangular array LOS-MIMO systems
Toshihisa Yamada, Daisuke Umehara, Kouichiro Wakasugi (KIT), Takanori Iwamatsu (FUJITSU WIRELESS SYSTEMS) CS2015-55
LOS-MIMO (Line Of Sight - Multiple-Input Multiple-Output) systems can increase a channel capacity without increasing the... [more] CS2015-55
pp.59-64
 Results 1 - 12 of 12  /   
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