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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 24  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SR, SRW
(Joint)
2021-03-05
09:50
Online Online Deep Learning-based Channel Estimation to Mitigate Channel Aging in Massive MIMO with Pilot Contamination
Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.) RCS2020-254
In a massive multiple-input multiple-output (MIMO) system based on time division duplex (TDD), the channel state informa... [more] RCS2020-254
pp.234-239
MBE, MICT 2021-01-28
17:30
Online Online Study on the distribution of objective bacteria in the dialysate preparation process
Miku Igarashi, Kazuyuki Kimura, Tomokazu Indo, Hisae Shimizu, Toshitugu Sugawara (HUS), Yasushi Makka (Sapporo Hokushin Hospital) MICT2020-31 MBE2020-36
Purification of dialysate is an important requirement in dialysis treatment. In particular, since the powder dissolving ... [more] MICT2020-31 MBE2020-36
pp.47-49
SIP, IT, RCS 2021-01-22
13:20
Online Online A Study on Self-Interference Canceller Based In-Band Full-Duplex using Software Defined Radio in Pilot Contamination Environments
Kensuke Tomita, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) IT2020-93 SIP2020-71 RCS2020-184
IBFD (In-Band Full-Duplex), which is a new communication technology attracting attention for future wireless communicati... [more] IT2020-93 SIP2020-71 RCS2020-184
pp.164-169
RCS, AP, UWT
(Joint)
2020-11-25
09:50
Online Online Deep Learning Aided Channel Estimation for Massive MIMO with Pilot Contamination
Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.) RCS2020-110
In a time division duplex (TDD) based massive multiple-input multiple-output (MIMO) system, a base station (BS) needs ac... [more] RCS2020-110
pp.1-6
IT, EMM 2020-05-29
11:45
Online Online On MDL Estimation for Location Parameters of Contaminated Gaussian Distributions
Kohei Miyamoto, Jun'ichi Takeuchi (Kyushu Univ.) IT2020-10 EMM2020-10
The MDL estimator is defined by the minimizer of total code length of a two part code.
The smaller the redundancy of t... [more]
IT2020-10 EMM2020-10
pp.55-60
MBE, MICT 2020-01-25
11:20
Kumamoto KKR Hotel Kumamoto Study on the effect of metal corrosion in the dialysate line on the dynamics of heterotrophic bacteria in dialysate in hemodialysis therapy
Yousuke Kobayashi, Kazuyuki Kimura, Hisae O. Shimizu, Tomokazu Inndou, Toshitsugu Sugawara (Hokkaido University of Science), Minoru Nakamura, Masaya Okayama, Haruaki Shibata, Seiya Hagiwara, Tomoyasu Nawa (Mannda Memorial Hospital) MICT2019-44 MBE2019-73
The bacteria free or the clean against dialysate bacterial contamination is required for the biological quality of hemod... [more] MICT2019-44 MBE2019-73
pp.23-27
RISING
(2nd)
2019-11-26
14:10
Tokyo Fukutake Learning Theater, Hongo Campus, Univ. Tokyo [Invited Lecture] Channel Estimation via Convolutional Neural Network for Massive MIMO with Pilot Contamination
Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.)
In massive multiple-input multiple-output (MIMO) based on time division duplex (TDD), a base station (BS) needs accurate... [more]
RCS 2019-10-25
14:35
Kanagawa Yokosuka Research Park [Invited Lecture] M-QAM Adaptation by Semi-Blind Multi Modulus Algorithm and MMSE-SMI for Multicell Massive MIMO Systems
Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) RCS2019-199
This paper expands our previously proposed semi-blind uplink interference suppression scheme on multicell multiuser mass... [more] RCS2019-199
pp.115-120
RCS 2019-06-21
10:50
Okinawa Miyakojima Hirara Port Terminal Building Channel Estimation via Neural Network for Massive MIMO with Pilot Contamination
Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.) RCS2019-89
In massive multiple-input multiple-output (MIMO) based on time division duplex (TDD), a base station (BS) needs accurate... [more] RCS2019-89
pp.303-308
RCS 2019-06-21
11:00
Okinawa Miyakojima Hirara Port Terminal Building Low-Complexity MMSE Channel Estimation in Massive MU-MIMO System
Yunfeng Deng, Tomoaki Ohtsuki (Keio Univ.) RCS2019-90
In massive multi-user MIMO (MU-MIMO) systems,
the base station (BS) requires accurate channel state information
(CSI).... [more]
RCS2019-90
pp.309-314
EMCJ 2019-04-12
09:30
Okinawa Okinawa Industry Support Center A Novel Analysis Method for Oil Quality by Using Scattered Microwaves
Toru Takahashi, Takashi Komakine, Kana Sato, Eiko Sugawara (NIT, Akita College), Takahiro Kurosawa (AIT), Yukinori Kameda, Takahiro Yoshida (KYB) EMCJ2019-9
An accurate and simple evaluation method on material properties is indispensable for sustainment and development of indu... [more] EMCJ2019-9
pp.45-50
RCS 2018-10-19
15:55
Tokyo Kikai-Shinko-Kaikan Bldg. [Encouragement Talk] Interference Suppression Schemes for Pilot Decontamination on Multicell Massive MIMO Systems
Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) RCS2018-177
This paper presents interference suppression performance of our proposed semi-blind uplink interference suppression sche... [more] RCS2018-177
pp.143-148
RCS, SR, SRW
(Joint)
2018-03-01
09:00
Kanagawa YRP Improving Semi-Blind Interference Suppression Performance on Multicell Massive MIMO Uplink by Beamspace Method
Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) RCS2017-346
This paper improves our previously proposed semi-blind uplink interference suppression scheme for multicell multiuser ma... [more] RCS2017-346
pp.167-172
RCS 2017-10-20
13:25
Miyagi Tohoku Institute of Technology [Invited Lecture] Semi-Blind Adaptive Interference Cancellation with Decision Feedback Channel Estimation on Multicell Massive MIMO Uplink
Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) RCS2017-194
This paper proposes a semi-blind uplink interference suppression scheme for multicell multiuser massive MIMO systems. In... [more] RCS2017-194
pp.143-148
MBE, BioX 2017-07-29
09:50
Tokushima Tokushima University Bacterial contamination in dialysis fluid and bactericidal effects of near UV-light emitting diodes
Kazuaki Mawatari, Hitomi Watanabe, Risa Nishisaka, Mutsumi Nakahashi, Akari Tsunedomi, Mizuki Kojima, Natsuki Nogami, Misuzu Makino, Rumiko Masuda, Takaaki Shimohata, Takashi Uebanso, Takahiro Emoto, Masatake Akutagawa, Yohsuke Kinouchi, Akira Takahashi (Tokushima Univ.) BioX2017-11 MBE2017-20
In recent years, the number of maintenance dialysis patient is increasing in Japan. In maintenance hemodialysis (HD), th... [more] BioX2017-11 MBE2017-20
pp.13-16
ASN, MoNA, MICT
(Joint)
2017-01-19
14:50
Oita   Method of simple screening Measurement for Radiation Wireless Monitoring by Applying Non-linear Estimation
Yoshitsugu Nakagawa, Chisato Murakami (TIRI), Kazuyuki Mori, Haruhiko Sato (ING) ASN2016-74
Five years have passed since the Fukushima nuclear power plant accident, and the decontamination project in disaster are... [more] ASN2016-74
pp.31-36
HIP, ITE-HI, ITE-CE [detail] 2016-12-20
14:00
Miyagi Reserach Institute of Electrical Communication, Tohoku University Discomfort of dot pattern -- Where does the discomfort of Polka dots of Yayoi Kusama come from? --
Kayo Miura, Marina Yamazaki, Yuri Teshima (Qdai) HIP2016-62
Yayoi Kusama is one of the influential contemporary artist in Japan. She is known as an artist of “polka dots”. However,... [more] HIP2016-62
pp.7-10
SDM 2016-10-26
14:00
Miyagi Niche, Tohoku Univ. [Invited Talk] Controlling Metallic Contamination in Advanced ULSI Processing
Koichiro Saga (Sony) SDM2016-69
Metal impurities dissolved in silicon can cause “recombination centers”, which degrade retention characteristics of DRAM... [more] SDM2016-69
pp.1-8
RCS, SAT
(Joint)
2015-08-18
15:30
Fukuoka Fukuoka Univ. Uplink Interference Suppression by MMSE-CMA Adaptive Array on Multicell Massive MIMO Systems
Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Satoshi Kurosaki, Takuto Arai, Tatsuhiko Iwakuni, Masataka Iizuka (NTT) RCS2015-154
This paper proposes uplink interference suppression scheme for multicell massive MIMO systems. Single frequency reuse is... [more] RCS2015-154
pp.129-134
IBISML 2014-11-18
15:00
Aichi Nagoya Univ. [Poster Presentation] Robust Estimation under Heavy Contamination using Unnormalized Models
Takafumi Kanamori (Nagoya Univ.), Hironori Fujisawa (ISM) IBISML2014-68
In data analysis, contamination caused by outliers is inevitable, and robust statistical methods are strongly demanded. ... [more] IBISML2014-68
pp.251-258
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