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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 61  /  [Next]  
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
 Results 1 - 20 of 61  /  [Next]  
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