Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OFT |
2015-01-22 14:25 |
Miyazaki |
|
Fiber Macrobending Radius Estimation Method by Two-Wavelength Unidirectional OTDR Measurement Shiro Ryu (SoftBank Telecom) OFT2014-45 |
Macrobending of optical fibers might affect the transmission system performance if the induced loss becomes large. So, ... [more] |
OFT2014-45 pp.7-10 |
AP |
2014-04-18 13:25 |
Kyoto |
Ritsumeikan University (Suzaku Campus) |
Fading Characteristics of Radio-Wave at High-Rise Floor in Mobile Communications (2) Hideki Omote, Yosuke Sugita, Ryo Yamaguchi, Teruya Fujii (SBTM) AP2014-15 |
In order to overcome the increasing traffic problems of mobile terminal for use in high-rise floors of buildings, the th... [more] |
AP2014-15 pp.77-82 |
AP |
2014-03-11 14:35 |
Fukushima |
Koriyama City Rodo Fukushi Kaikan |
Path loss Between Indoors of Different LOS Buildings for construction of 3D cells Iori Nagadome, Yohei Miyata, Shinichi Ichitsubo (KIT), Hideki Omote (SoftBank Telecom Corp), Teruya Fujii (SoftBank Mobile Corp) AP2013-199 |
In the construction of three-dimensional cells for mobile communication systems, interference between indoor base statio... [more] |
AP2013-199 pp.81-86 |
AP |
2014-02-07 13:15 |
Aichi |
Kojima Industries Corporation, Kojima Research Center |
[Invited Lecture]
Fading Characteristics of Radio-Wave at High-Rise Floor in Mobile Communications Hideki Omote, Yosuke Sugita, Ryo Yamaguchi, Teruya Fujii (SBTM) AP2013-182 |
In order to overcome the increasing traffic problems of mobile terminal for use in high-rise floors of buildings, the th... [more] |
AP2013-182 pp.91-96 |
SR |
2013-05-24 13:45 |
Hiroshima |
ASTER PLAZA (Hiroshima City) |
System Handover for Heterogeneous Wireless Network Considering Number of Mobile Terminal Kazumasa Kobayashi, Minzhi Huang, Yuji Miyake (Tohoku Univ.), Fumihiro Yamagata (Kushiro National College of Technology), Hiroshi Oguma (Toyama National College of Technology), Noboru Izuka (SoftBank Telecom), Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2013-13 |
In recent years, for offloading of mobile communication systems, heterogeneous wireless network has been discussed.
In ... [more] |
SR2013-13 pp.65-70 |
PN |
2013-03-11 15:20 |
Okinawa |
Okinawa-ken Seinen-Kaikan |
[Invited Talk]
Recent trend of wavelength unbundling in optical access network Shiro Ryu (SoftBank Telecom) PN2012-85 |
Research and development of TDM/WDM-PON (TWDM-PON) system, which enables us to construct multiple TDM-PONs on the same P... [more] |
PN2012-85 pp.43-48 |
AP |
2013-01-25 15:15 |
Miyazaki |
Hotel Merieges (Miyazaki City) |
Numerical Examination on Propagation Loss Properties for Propagation Distance and Passerby Density in Case People exist between Transmitter and Receiver Naoki Uchinuno, Chiharu Tomonaga, Mitsuhiro Yokota, Kazuhisa Shiiya (Univ. of Miyazaki), Yoshichika Ohta, Teruya Fujii (Softbank Telecomm) AP2012-154 |
In cellular mobile communications, the number of customers
who use cellular phones indoors is rapidly increasing. Many... [more] |
AP2012-154 pp.173-176 |
ICM, LOIS |
2013-01-18 11:40 |
Saga |
|
A Study on the Estimation of Person Mobility Patterns Using Sensor Data of a Mobile Terminal Satoyuki Uehara (Waseda Univ.), Masatsugu Ichino (UEC), Hideki Yoshii (SBTM), Kazuhiro Tsurumaru, Jiro Katto, Naohisa Komatsu (Waseda Univ.) ICM2012-55 LOIS2012-65 |
In this paper, we show characteristics of geomagnetic data and acceleration data captured by a three-axis geomagnetic se... [more] |
ICM2012-55 LOIS2012-65 pp.103-108 |
OFT, OCS, ITE-BCT, IEE-CMN (Joint) [detail] |
2012-11-22 14:15 |
Kumamoto |
|
Wavelength unbundling of PON with TDM/WDM-PON system Shiro Ryu (SoftBank Telecom) OCS2012-84 |
Research and development is in progress regarding TDM/WDM-PON (TWDM-PON) system that enables us to construct multiple TD... [more] |
OCS2012-84 pp.73-78 |
EMM |
2012-10-04 16:00 |
Chiba |
Makuhari Messe |
[Special Talk]
Study on the forefront of Smartphone Services and their Privacy Protection Masato Takahashi (Softbank) EMM2012-62 |
In this paper, we provide an overview of the trends of Smartphone services from the view points of new technologies and ... [more] |
EMM2012-62 pp.39-42 |
BioX (2nd) |
2012-08-28 11:00 |
Tokyo |
Waseda Univ. Nishiwaseda Campus |
A Study on the Personal Authentication Using Sensor Data of Mobile Terminal Hiroki Kasahara (Waseda Univ.), Masatsugu Ichino (UEC), Hideki Yoshii (SBTM), Kazuhiro Tsurumaru, Jiro Katto, Naohisa Komatsu (Waseda Univ.) |
In this Paper, we propose a method of personal authentication, using sensor data of a mobile terminal. First, we check t... [more] |
|
SR |
2012-01-26 14:05 |
Kagoshima |
Kagoshima |
Channel Selection for SC Transmission Considering Sinking Point of Channel Function Kazumasa Kobayashi, Shunsuke Tomita, Yuji Miyake, Kazuhiro Komatsu (Tohoku Univ.), Hiroshi Oguma (Toyama National College of Technology), Noboru Izuka (SoftBank Telecom Cop./Tohoku Univ.), Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2011-80 |
In next generation mobile communication systems, single carrier (SC) system with low peak to average power ratio (PAPR) ... [more] |
SR2011-80 pp.17-22 |
SR |
2012-01-26 14:30 |
Kagoshima |
Kagoshima |
Hybrid Single-Carrier and Multi-Carrier System: Evaluation of Throughput with Inter-Cell Interference Yuji Miyake, Kazumasa Kobayashi, Kazuhiro Komatsu (Tohoku Univ.), Hiroshi Oguma (Toyama National College of Technology), Noboru Izuka (SoftBank Telecom Corp./Tohoku Univ.), Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2011-81 |
We have investigated hybrid single-carrier (SC) and multi-carrier (MC) system.
MC transmission is effective for high d... [more] |
SR2011-81 pp.23-28 |
LOIS, ICM |
2012-01-20 11:00 |
Kumamoto |
Sojo Univ. |
A Study on the Effectiveness of Cepstrum Analysis using Acceleration Sensor in Walking States Classification Tomonori Ito, Satoyuki Uehara, Hiroki Kasahara (Waseda Univ), Masatsugu Ichino (UEC), Hideki Yoshii (SOFTBANK TELECOM), Kazuhiro Tsurumaru, Jiro Katto, Naohisa Komatsu (Waseda Univ) ICM2011-38 LOIS2011-63 |
We will apply cepstrum analysis, which is often used as a voice recognition method, to classify walking states (gait) us... [more] |
ICM2011-38 LOIS2011-63 pp.39-44 |
OCS, OFT, ITE-BCT, IEE-CMN (Joint) [detail] |
2011-11-18 14:30 |
Shimane |
Shimane Univ. |
OTDR measurement method for differentiating cause of loss in vicinity of fiber splice point Shiro Ryu (SoftBank Telecom) OCS2011-103 |
We have been studying a novel OTDR measurement method using a macrobending indicator to measure the cause of the loss in... [more] |
OCS2011-103 pp.59-64 |
AP, RCS (Joint) |
2011-11-16 11:10 |
Aichi |
Nagoya Congress Center |
Multipath Emulator over the Air Transmitting Several Signals with Different Doppler Frequencies from Each Probe Antenna Yoshichika Ohta, Teruya Fujii (Softbank Telecom) AP2011-93 |
In order to accurately assess the transmission technologies of mobile terminals with multiple antennas for MIMO technolo... [more] |
AP2011-93 pp.25-30 |
AP, RCS (Joint) |
2011-11-16 13:00 |
Aichi |
Nagoya Congress Center |
Examination Based on Numerical Technique of Propagation Loss Properties in Case Human Bodies Exist Between Transmitter and Receiver Chiharu Tomonaga, Mitsuhiro Yokota (Univ. of Miyazaki), Yoshichika Ohta, Teruya Fujii (Softbank Telecom) AP2011-95 |
In cellular mobile communications, the number of customers
who use cellular phones indoors is rapidly increasing.
Man... [more] |
AP2011-95 pp.37-40 |
SITE, IPSJ-EIP |
2011-05-19 11:20 |
Tokyo |
Tokyo Univ. of Science |
A report of the six general principles of privacy against lifelog-based service and their practical status Tomonori Ito (Waseda Univ.), Hideki Yoshii (Softbank Telecom), Kazuhiro Tsurumaru, Naohisa Komatsu (Waseda Univ.) SITE2011-4 |
With the development of advanced network equipment and mobile devices, services that use the lifelog (individual’s life ... [more] |
SITE2011-4 pp.17-22 |
SITE, IPSJ-EIP |
2011-05-19 11:45 |
Tokyo |
Tokyo Univ. of Science |
A report of the experimental results for lifelog sensitivity using smart phones Hideki Yoshii, Masato Takahashi, Kohei Yamasaki (Softbank Telecom), Kazuhiro Tsurumaru, Naohisa Komatsu (Waseda Univ.) SITE2011-5 |
[more] |
SITE2011-5 pp.23-28 |
IPSJ-CN, LOIS |
2011-05-19 13:00 |
Tokyo |
NTT Musashino R&D Center |
A Study on the Walking States Classification Method using Cycles of Acceleration Data Hiroki Kasahara, Tomonori Ito (Waseda Univ.), Hideki Yoshii (SBTM), Kazuhiro Tsurumaru, Naohisa Komatsu (Waseda Univ.) LOIS2011-3 |
In this paper, we propose a method that classifies walking condition into three states, walking on the flat ground, goin... [more] |
LOIS2011-3 pp.21-26 |