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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
| ICM, LOIS (Joint) |
2009-01-22 15:55 |
Yamaguchi | Kaikyo Messe Shimonoseki | A study on developing Trajectory-Maps using P-type Fourier Discriptor Shunichiro Butsuen (Waseda Univ.), Hideki Yoshii (SoftBank Telecom), Naohisa Komatsu (Waseda Univ.) OIS2008-66 |
In this paper we propose a new method of analyzing pedestrian traffic data with location accuracy free and route free. P... [more] | OIS2008-66 pp.7-12 |
| AP | 2009-01-21 16:40 |
Fukuoka | Fukuoka University | Time-Spatial Propagation Model in LOS condition for Broadband Mobile Communication Systems Teruya Fujii, Yoshichika Ohta, Hideki Omote (Softbank Telecom) AP2008-158 |
[more] | AP2008-158 pp.49-54 |
| 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 |
| AP | 2009-01-22 16:15 |
Fukuoka | Fukuoka University | [Special Talk]
Time-Spatial Propagation Model for Next Generation Mobile Communications Teruya Fujii, Yoshichika Ohta, Hideki Omote (Softbank Telecom) AP2008-173 |
[more] | AP2008-173 pp.133-138 |
| 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 |
| OCS | 2008-07-17 16:05 |
Yamanashi | Feasibility study of 160-Gbit/s, Polarization-Division Multiplexed RZ-DQPSK Transmission System under Polarization Fluctuation over Installed Cables Mikio Yagi, Shuichi Satomi, Shiro Ryu (Softbank Telecom) OCS2008-30 |
In this paper, we report the feasibility study results of 160-Gbit/s, polarization-division multiplexed (PDM) RZ-DQPSK t... [more] | OCS2008-30 pp.53-58 |
|
| AP | 2008-03-13 15:15 |
Aichi | Nanzan Univ. | Fading Characteristics for Static Terminal under Outdoor Surrounding Movement Environments in Mobile Radio Communications (I)
-- NLOS Environments -- Yoshichika Ohta, Hideki Omote, Teruya Fujii (Softbank Telecom) AP2007-182 |
Mobile terminals used in a stationary condition receives a level variation different from that in a moving condition. Th... [more] | AP2007-182 pp.55-60 |
| AP | 2008-03-13 15:40 |
Aichi | Nanzan Univ. | Fading Characteristics for Static Terminal under Outdoor Surrounding Movement Environments in Mobile Radio Communications (II)
-- LOS Environments -- Yoshichika Ohta, Hideki Omote, Teruya Fujii (Softbank Telecom) AP2007-183 |
Mobile terminals used in a stationary condition receives a level variation different from that in a moving condition. Th... [more] | AP2007-183 pp.61-66 |
| AP | 2008-03-13 16:05 |
Aichi | Nanzan Univ. | Proposal of Channel Model for Static Terminal under Indoor Surrounding Movement Environment in Wideband Mobile Radio Teruya Fujii, Yoshichika Ohta (Softbank Telecom) AP2007-184 |
In Cellular systems, the terminal in a fixed condition receives a level variation different from that in a moving condit... [more] | AP2007-184 pp.67-72 |
| RCS, AN, MoNA, SR, WBS (Joint) |
2008-03-07 13:40 |
Kanagawa | YRP | A Key Issue for MBWA Systems (1)
-- Field Trial of OFDMA system -- Hiroshi Oguma (ITIm), Noboru Iizuka, Yasuyoshi Asano, Yoshiharu Yamazaki (Softbank Telecom), Suguru Kameda, Hiroyuki Nakase, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) WBS2007-105 |
For mobile broadband wireless access (MBWA) field trials in urban area of Sendai city, we adopt Fast Low-latency Access ... [more] | WBS2007-105 pp.5-10 |
| RCS, AN, MoNA, SR, WBS (Joint) |
2008-03-07 14:00 |
Kanagawa | YRP | A Key Issue for MBWA Systems (2)
-- Reasons of Throughput Performance Impaired by Inter-sector Interference -- Noboru Iizuka, Yasuyoshi Asano, Yoshiharu Yamazaki (Softbank Telecom), Hiroshi Oguma (Industrial Institute of Technology, Miyagi Prefectural Governmen), Suguru Kameda, Hiroyuki Nakase, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) WBS2007-106 |
Mobile broadband wireless access (MBWA) systems are attractive candidates for next generation mobile data communication ... [more] | WBS2007-106 pp.11-16 |
| SR | 2008-01-24 13:30 |
Nagano | Tateyama Prince hotel (Ohmachi city, Nagano prefecture) | Roaming Technique between Wireless LAN and Mobile Broadband Wireless Access Suguru Kameda, Fumihiro Yamagata, Hiroshi Oguma, Hiroyuki Nakase, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.), Yasuyoshi Asano, Noboru Izuka, Yoshiharu Yamazaki (Softbank Telecom) SR2007-65 |
[more] | SR2007-65 pp.1-8 |
| IA | 2007-07-19 13:40 |
Kyoto | room1 (J501) on 5th floor in J bldg, Kyoto Women's University | [Invited Talk]
Operation and Management Technologies for MPLS Network Satoru Matsushima (SBTM) IA2007-14 |
Since MPLS will add various attractive features to existing IP network, many of new service and feature of network resou... [more] | IA2007-14 pp.25-30 |
| AP | 2007-06-21 09:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | The Propagation Characteristics for 2GHz Band in Sendai Area Hiroshi Oguma (Tohoku Univ./ITIｍ), Keichi Fukuda, Fumihiro Yamagata, Satoru Fukuyo (Tohoku Univ.), Yasuyoshi Asano, Yoshiharu Yamazaki (SBTM), Suguru Kameda, Hiroyuki Nakase, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) AP2007-32 |
We use the FLASH-OFDM system based on Orthogonal-Frequency-Division-Multiple-Access (OFDMA). We have executed the field ... [more] | AP2007-32 pp.7-12 |
| OCS, PN, CS (Joint) |
2007-06-15 11:10 |
Hokkaido | Chitose Inst. of Science and Technology | All-optical 2R-Regenerative interconnection node for DPSK polarization-division multiplexed systems Mikio Yagi, Shuichi Satomi, Shiro Ryu (Softbank Telecom) OCS2007-18 |
In this paper, we propose an all-optical 2R-regenerative interconnection node that connects wide area network (WAN) and ... [more] | OCS2007-18 pp.47-52 |
| OFT | 2007-05-24 17:15 |
Kagoshima | Optical Fiber Nonlinearity Coefficient Measurement with Coherent Heterodyne Detection Shiro Ryu (SBTM) OFT2007-8 |
Various methods have been proposed for the measurement of optical fiber nonlinearity coefficient using the self-phase mo... [more] | OFT2007-8 pp.35-38 |
|
| AP | 2007-03-09 10:40 |
Overseas | Taiwan (Yuan Ze Univ.) | Fading characteristics for fixed terminal in indoor environment Yoshichika Ohta, Teruya Fujii (Softbank Telecom) AP2006-160 |
[more] | AP2006-160 pp.73-76 |
| AP | 2007-03-09 11:00 |
Overseas | Taiwan (Yuan Ze Univ.) | Channel modeling for mobile terminal used in indoor static conditions Teruya Fujii, Hideki Omote, Yoshichika Ohta (Softbank Telecom) AP2006-161 |
[more] | AP2006-161 pp.77-80 |
| IA | 2007-01-19 15:35 |
Hiroshima | International Conference Center Hiroshima | Applications of the Multihoming Technology using Overlay Networks in Regional Areas Yutaka Kikuchi (KUT), Masahiro Sako, Ken'ya Kishimoto (STNet), Yuusuke Shibata, Hirotaka Kurita (Ehime CATV), Naruki Oda, Kei Ueno, Makoto Ohira (NTT W-4), Hiroaki Matsumoto, Kousei Yamamoto (KSCO), Yukihito Kataoka, Kazuma Nishiuchi (Citynet), Hirofumi Masuoka (SWAN), Satoru Matsushima (Softbank Telecom), Norikazu Hamasaki (FJSK) IA2006-43 |
We propose applications of multihoming method on overlay network especially in regional areas. We have employed an overl... [more] | IA2006-43 pp.73-78 |
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