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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
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| 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 |
| 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 |
| SR | 2011-04-21 14:20 |
Shimane | Matsue Terrsa | Investigation of Hybrid Single-Carrier and Multi-Carrier System:Evaluation of Throughput with Influence of Frequency Offset Yuji Miyake, Ikuro Kashiwamura, Kazumasa Kobayashi, Shunsuke Tomita, Kazuhiro Komatsu, Shoichi Tanifuji (Tohoku Univ.), Hiroshi Oguma (Miyagi Prefecture), Noboru Izuka (Softbank Telecom), Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2011-3 |
We have investigated hybrid single-carrier (SC) and multi-carrier (MC) system. MC transmission is effective for high dat... [more] | SR2011-3 pp.13-18 |
| PN | 2011-02-28 16:00 |
Kagoshima | KKR Kagoshima Keitenkaku | [Invited Talk]
Perspective on future networks Shiro Ryu (SoftBank Telecom Corp.) PN2010-67 |
We had studied intensively on wavelength path network. Our results include demonstrations on wavelength-on-demand and w... [more] | PN2010-67 pp.59-64 |
| SITE | 2010-12-09 15:20 |
Kyoto | Campus plaza Kyoto | Study on Use and Protection of Mobile Phone-based Lifelog Hideki Yoshii, Masato Takahashi (SBTM), Hayato Shirai, Kazuhiro Tsurumaru, Naohisa Komatsu (Waseda) SITE2010-46 |
[more] | SITE2010-46 pp.21-26 |
| AN, USN, SR, RCS (Joint) |
2010-10-27 13:10 |
Osaka | Osaka University | Quantization Error Influence of Frequency Domain Equalizer based on MMSE Shunsuke Tomita, Yuji Miyake, Kazuhiro Komatsu (Tohoku Univ), Hiroshi Oguma (Miyagi Prefecture), Noboru Izuka (Softbank Telecom), Shoichi Tanifuji, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ) SR2010-41 |
In next generation mobile communication systems, Single-Carrier (SC) transmission using frequency domain equalizer (FDE)... [more] | SR2010-41 pp.7-12 |
| AP, SAT (Joint) |
2010-07-21 10:50 |
Hokkaido | Kitami Inst. Tech. | Spatial Correlation Measurements for Base Station Cooperated MIMO in Outdoor Environment Yosuke Sugita, Yoshichika Ohta, Hideki Omote, Teruya Fujii (Softbank Telecom) AP2010-40 |
For the next generation mobile broadband systems such as IMT-Advanced, the CoMP (Coordinated Multi-Point joint transmiss... [more] | AP2010-40 pp.13-18 |
| AP | 2010-01-21 13:45 |
Yamaguchi | Yamaguchi University | Numerical Analysis of Equivalent Model for Radio Wave Shadowing by Two Lossy Dielectric Cylinders Tatsuya Ikegami, Yusuke Sakoda, Mitsuhiro Yokota (Univ. of Miyazaki), Yoshichika Ohta, Teruya Fujii (Softbak Telecom) AP2009-163 |
Now recently, the number of customers who use cellular phones indoors is rapidly increasing. In this case, mobile termi... [more] | AP2009-163 pp.45-50 |
| RCS, SAT (Joint) |
2009-12-18 14:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Field Trial of Mobile Broadband Wireless Access in Sendai Area:
-- Feasibility Study of Uplink and Downlink Transmission with QAM -- Hiroshi Oguma (Tohoku Univ./ITIm), Noboru Izuka (Tohoku Univ.), Yasuyoshi Asano, Yoshiharu Yamazaki (Softbank Telecom), Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2009-193 |
We have carried out mobile broadband wireless access (MBWA) system field trials in an urban area of Sendai city. In the ... [more] | RCS2009-193 pp.155-160 |
| RCS | 2009-08-03 09:25 |
Miyagi | Tohoku Univ. | Investigation on Single-Carrier and Multi-Carrier Hybrid System
-- Characteristic Evaluation in the Near-Far Problem -- Ikuro Kashiwamura, Shunsuke Tomita, Kazuhiro Komatsu, Tran Hao Ngoc (Tohoku Univ.), Hiroshi Oguma (Ind Tech Inst, Miyagi Prefectural Government), Noboru Izuka (Softbank Telecom), Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2009-79 |
[more] | RCS2009-79 pp.7-12 |
| AP, SAT (Joint) |
2009-07-08 17:05 |
Hokkaido | Otaru city, Hokkaido | Empirical Fading Channel Model for Static Mobile Terminals in Outdoor NLOS Environments Yoshichika Ohta, Teruya Fujii (Softbank Telecom) AP2009-57 |
Mobile terminals used in the stationary condition receive a level variation different from that found in the moving cond... [more] | AP2009-57 pp.77-81 |
| AP, SAT (Joint) |
2009-07-08 17:30 |
Hokkaido | Otaru city, Hokkaido | Analysis of Fading Characteristics for Mobile Terminals in Static Indoor Conditions Teruya Fujii, Yoshichika Ohta (Softbank Telecom) AP2009-58 |
In Cellular systems, the terminal in a fixed condition receives the level variation different from that in a moving cond... [more] | AP2009-58 pp.83-88 |
| SR | 2009-05-29 09:15 |
Niigata | Niigata Univ | Investigation on Single-Carrier and Multi-Carrier Hybrid System Ikuro Kashiwamura, Shunsuke Tomita, Kazuhiro Komatsu, Tran Hao Ngoc (Tohoku Univ.), Hiroshi Oguma (ITIm), Noboru Izuka (Softbank Telecom), Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2009-8 |
[more] | SR2009-8 pp.51-55 |
| LOIS, IPSJ-CN | 2009-05-22 11:10 |
Tokyo | Waseda Univ. Faculty of Science and Engineering,OkuboCamp. 55N Bldg | A Study on analyzing GPS-based Location Data Using Segment Velocity Technique Hideki Yoshii (Softbank Telecom Corp.), Hayato Shirai, Shunichiro Butsuen, Naohisa Komatsu (Waseda Univ.) LOIS2009-7 |
[more] | LOIS2009-7 pp.109-112 |
| AP | 2009-03-09 10:30 |
Overseas | University of Macau | Fading Characteristics of Fixed Terminal in Outdoor NLOS Environment Yoshichika Ohta, Teruya Fujii (Softbank Telecom) AP2008-212 |
Mobile terminals used in a stationary condition receives a level variation different from that in a moving condition. T... [more] | AP2008-212 pp.7-12 |
| AP | 2009-03-10 09:00 |
Overseas | University of Macau | Numerical Analysis of Radio Wave Shadowing by Human Body Yusuke Sakoda, Mitsuhiro Yokota (Univ. of Miyazaki), Yoshichika Ohta, Teruya Fujii (Softbank Telecom.) AP2008-222 |
Now recently, the number of customers who use cellular phones indoors is rapidly increasing. In this case, mobile termin... [more] | AP2008-222 pp.55-58 |
| AP | 2009-01-21 17:05 |
Fukuoka | Fukuoka University | An empirical study of radio wave shadowing by human body Yoshichika Ohta, Teruya Fujii (Softbank telecom) AP2008-159 |
(To be available after the conference date) [more] | AP2008-159 pp.55-60 |
| SR, RCS, USN, AN (Joint) |
2008-10-22 17:10 |
Okinawa | Okinawa industry support center | MBWA Performance in Urban Area
-- Performance of Single Cell with Various Antenna Height Conditions -- Ikuro Kashiwamura (Tohoku Univ.), Hiroshi Oguma (Tohoku Univ./ITIm), Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.), Noboru Izuka, Yasuyoshi Asano, Yoshiharu Yamazaki (Softbank Telecom) SR2008-44 |
[more] | SR2008-44 pp.43-48 |
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