Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OPE, OFT, OCS (Joint) [detail] |
2024-02-22 09:10 |
Okinawa |
Nobumoto Ohama Memorial Hall (Primary: On-site, Secondary: Online) |
Mechanical characteristics of a jacket assembly employed for pigtail PMFs attached to a CPO ELS Daiki Takeda, Rintaro Kamano, Tsunetoshi Saito, Hideyuki Nasu (Furukawa Electric) OFT2023-69 OPE2023-120 |
CPO has a packaging structure that an external light source (ELS) is placed at a front panel, where the ambient temperat... [more] |
OFT2023-69 OPE2023-120 pp.35-38(OFT), pp.70-73(OPE) |
SIP, IT, RCS |
2018-01-22 15:20 |
Kagawa |
Sunport Hall Takamatsu |
Performance evaluation on beam shapes and number of selected beams in a massive MIMO system Jumpei Yamamoto, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Yoshihisa Kishiyama, Daiki Takeda (NTT DOCOMO) IT2017-76 SIP2017-84 RCS2017-290 |
In massive MIMO systems, there have already been several studies on 2-step beamforming that forms a precoder in a subspa... [more] |
IT2017-76 SIP2017-84 RCS2017-290 pp.125-130 |
RCS |
2017-06-21 15:20 |
Okinawa |
Ishigaki Shoukou Kaikan |
Performance Evaluation on Beam Selection Rules and Beam Shapes of a Massive MIMO System in Time-varying Environments Jumpei Yamamoto, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Daiki Takeda, Yoshihisa Kishiyama (NTTDocomo) RCS2017-55 |
In massive MIMO systems, there have already been a number of papers on 2-step beamforming that forms a precoder in a bea... [more] |
RCS2017-55 pp.31-36 |
NS, RCS (Joint) |
2016-12-22 16:00 |
Ishikawa |
|
A Study on Beam Selection Rules and Beam Shapes for Hybrid Beamforming Jumpei Yamamoto, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Daiki Takeda, Yoshihisa Kishiyama (NTT docomo) RCS2016-234 |
The massive MIMO technology which generates sharp beams in higher frequency bands is known as a promising method to acco... [more] |
RCS2016-234 pp.147-152 |
NS, IN (Joint) |
2016-03-04 09:50 |
Miyazaki |
Phoenix Seagaia Resort |
An Efficient Content Searching Method Using Contents Popularity and Degree of Nodes in Unstructured Peer-to-Peer Networks with Cache Routers Daiki Takeda (NIT), Shinji Sugawara (CIT), Norishige Fukushima, Yutaka Ishibashi (NIT) NS2015-206 |
We have proposed content searching methods, in which shared content items and their transmission records (TR) are cached... [more] |
NS2015-206 pp.219-224 |
RCS, SAT (Joint) |
2015-08-18 10:20 |
Fukuoka |
Fukuoka Univ. |
System-Level Evaluation on Beam Search Algorithms Reducing Interference between Multiple Beams for Massive MIMO Transmission Daiki Takeda, Yuki Inoue, Satoshi Suyama, Yoshihisa Kishiyama, Yukihiko Okumura (NTT DOCOMO) RCS2015-146 |
[more] |
RCS2015-146 pp.85-90 |
NS, IN (Joint) |
2015-03-03 13:20 |
Okinawa |
Okinawa Convention Center |
An Efficient Content Searching Method for Various Contents Sharing Using Transmission Records and Cache Routers in Unstructured Peer-to-Peer Networks Daiki Takeda (NIT), Shinji Sugawara (CIT), Norishige Fukushima, Yutaka Ishibashi (NIT) NS2014-238 |
We propose a method to guide queries using query transmission records in each relay peer and router under the condition ... [more] |
NS2014-238 pp.355-360 |
SIS |
2014-03-07 10:50 |
Osaka |
Gran Front Osaka, Knowledge Capital C-9F, 901 |
Block Matching Algorithm Weighting Eye Area for Face Recognition Across Age Progression Taro Okakura, Daiki Takeda, Kaoru Arakawa (Meiji Univ.) SIS2013-67 |
[more] |
SIS2013-67 pp.57-61 |
RCS, AP (Joint) |
2013-11-21 14:40 |
Shimane |
Matsue Terrsa |
[Invited Lecture]
Field Experimental Evaluations of Smart Vertical MIMO in LTE-Advanced Downlink Yuki Inoue, Daiki Takeda, Keisuke Saito, Teruo Kawamura, Hidehiro Andoh (NTT DOCOMO, INC.) AP2013-113 RCS2013-191 |
This paper presents field experimental results on a base station (BS) antenna configuration associated with the fading c... [more] |
AP2013-113 RCS2013-191 pp.79-84(AP), pp.103-108(RCS) |
OFT |
2013-01-24 13:25 |
Tokushima |
|
Development of Ultra-high density optical fiber cable Daiki Takeda, Mizuki Isaji, Koji Tomikawa, Ken Osato, Masayoshi Yamanaka, Naoki Okada (Fujikura) OFT2012-53 |
In order to construct optical fiber networks economically and efficiently, we have successfully developed new ultra-high... [more] |
OFT2012-53 pp.5-8 |
CPM |
2011-10-26 16:25 |
Fukui |
Fukui Univ. |
Fabrication of silicon solar cells with low impurity Si with transition metal contaminants Daiki Takeda, Satoru Tuduki, Katsuaki Momiyama, Kensaku Kanomata, Takahiko Suzuki, Fumihiko Hirose (Yamagata Univ.) CPM2011-116 |
(To be available after the conference date) [more] |
CPM2011-116 pp.37-39 |
OFT |
2011-10-20 14:55 |
Nagano |
|
Development of 8-fiber low-friction indoor optical cable for mid span access Naoto Itou, Masashi Ohno, Kouji Tomikawa, Daiki Takeda, Satoru Shiobara, Naoki Okada (Fujikura) OFT2011-35 |
As indoor optical cable, we developed 8-fiber low-friction indoor optical cable that can be laying to existing pipe, mul... [more] |
OFT2011-35 pp.21-24 |
RCS, IN (Joint) |
2011-05-26 09:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
A Fundamental Study on Routing for Multi-Hop Wireless Networks Using Adaptive Array Daiki Takeda, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.) RCS2011-19 |
The interference between nearby links in a wireless multihop network degrades the area spectral efficiency.
Thus there... [more] |
RCS2011-19 pp.1-6 |
OFT |
2010-10-25 15:55 |
Saitama |
Nippon Institute of Technology |
Development of New Cicada-Resistant Aerial Optical Drop Cable Naoto Itou, Masashi Ohno, Tadayoshi Sayama, Daiki Takeda, Satoru Shiobara, Naoki Okada (Fujikura) OFT2010-36 |
The optical drop cable have been reported that optical fiber breakage due to cicada oviposition around western Japan. Th... [more] |
OFT2010-36 pp.39-44 |
CPM |
2010-09-10 15:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg |
Fabrication of Si solar cells with low-purity Si including transition metals Satoru Tsuduki, Daiki Takeda, Yuki Sano, Takahiko Suzuki, Fumihiko Hirose (Yamagata Univ.) CPM2010-87 |
Production methods of poly Si solar cells were investigated with low purity Si containing transition metals of Cu, Ni, ... [more] |
CPM2010-87 pp.37-40 |
OFT, OCS, IEE-CMN, ITE-BCT (Joint) [detail] |
2009-11-27 11:30 |
Fukushima |
|
Development of Distributed Pressure Optical Sensor Cable Tadayoshi Sayama, Satoru Shiobara, Daiki Takeda, Katsuyoshi Endo, Naoki Okada (Fujikura) OFT2009-59 |
nside the well of liquid natural gas fields, the temperature and the pressure of depth direction have been measured to i... [more] |
OFT2009-59 pp.31-34 |
OFT |
2007-10-19 09:20 |
Toyama |
|
Low friction and Abrasion resistant Optical Drop Cables/Super Low friction Optical Indoor Cbbles Satoru Shiobara, Naoki Okada, Tsuyoshi Shimomichi, Daiki Takeda, Akira Murata, Mizuki Isaji (Fujikura) OFT2007-32 |
The number of aerial optical cables has increased rapidly because of the growth of the FTTH market. Therefore, a lot of ... [more] |
OFT2007-32 pp.1-6 |