Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2015-01-23 13:20 |
Ehime |
Ehime University |
Propagation Loss Model for Sharing TVWS Bands in Indoor Environment Wataru Yamada, Motoharu Sasaki, Takatoshi Sugiyama, Masato Mizoguchi (NTT), Oliver Holland, Hamid Aghvami (KCL) AP2014-180 |
[more] |
AP2014-180 pp.109-114 |
SAT |
2014-10-24 14:00 |
Overseas |
Hae-un-dae Grand Hotel, Busan, Korea |
Experimental Evaluation of Direct Spectrum Division Transmission over Ku band satellite Jun-ichi Abe, Kouhei Suzaki, Katsuya Nakahira, Takatoshi Sugiyama (NTT) SAT2014-46 |
[more] |
SAT2014-46 pp.145-150 |
SAT |
2014-10-24 14:40 |
Overseas |
Hae-un-dae Grand Hotel, Busan, Korea |
Experimental Evaluation of Sub-spectrum Suppressed Transmission over Ku Band Satellite Jun Mashino, Jun-ichi Abe, Daisuke Goto, Kouhei Suzaki, Takatoshi Sugiyama (NTT) SAT2014-47 |
Direct Spectrum Division Transmission (DSDT) and sub-spectrum suppressed transmission are introduced to achieve highly e... [more] |
SAT2014-47 pp.157-162 |
AP, MW (Joint) |
2014-09-19 16:00 |
Tokyo |
Tokyo Institute of Technology, Ookayama Campus |
[Invited Lecture]
Proposal of Beamwidth Adjustment Algorithm in Consideration of EBG for Dual-Band Antenna Employing Woodpile Metamaterial Reflector Hideya So, Atsuya Ando, Takatoshi Sugiyama (NTT) AP2014-106 MW2014-97 |
We have proposed a multiband sector antenna with multiple reflectors mploying the metamaterial for a base station antenn... [more] |
AP2014-106 MW2014-97 pp.71-76(AP), pp.65-70(MW) |
SAT, RCS (Joint) |
2014-08-19 13:25 |
Kochi |
Kochi City Cultura-Plaza CUL-PORT |
Proposal of Frequency Compensation Method for Direct Spectrum Division Transmission
-- Applicable to Multiple Access -- Jun-ichi Abe, Katsuya Nakahira, Takatoshi Sugiyama (NTT) SAT2014-28 |
This paper introduces a frequency compensation method for multiple access in direct spectrum division transmission (DSDT... [more] |
SAT2014-28 pp.15-19 |
AP, SAT (Joint) |
2014-07-24 09:45 |
Gifu |
Gero Citizen Hall |
Path Loss Variation Characteristics at Sub-millimeter Wave Band in Street microcell environment Motoharu Sasaki, Wataru Yamada, Takatoshi Sugiyama (NTT), Tetsuro Imai (NTT DOCOMO) AP2014-48 |
In this paper, path loss variation characteristics in sub-millimeter wave band are analyzed based on measurement results... [more] |
AP2014-48 pp.1-6 |
AP, SAT (Joint) |
2014-07-25 14:10 |
Gifu |
Gero Citizen Hall |
Study of propagation channel Fading prediction algorithm Wataru Yamada, Motoharu Sasaki, Takatoshi Sugiyama (NTT), Oliver Holland, Hamid Aghvami (KCL) AP2014-67 SAT2014-20 |
Propagation channel fading prediction algorithms which are AR Models composed by 1st and 2nd order differential model wi... [more] |
AP2014-67 SAT2014-20 pp.109-114(AP), pp.47-52(SAT) |
RCS |
2014-06-18 10:05 |
Okinawa |
Okinawa-ken Seinenkaikan (Naha) |
Iterative Estimation Of Undesired Signal Power For Superposed Multicarrier Transmission With Channel Estimation Error Yohei Shibata, Naotoshi Yoda, Tomoaki Ohtsuki (Keio Univ.), Jun Mashino, Takatoshi Sugiyama (NTT) RCS2014-64 |
Superposed multicarrier transmission scheme is known to improve frequency utilization efficiency when several wireless s... [more] |
RCS2014-64 pp.185-190 |
SAT, WBS (Joint) |
2014-05-16 09:00 |
Aichi |
Nagoya Institute of Technology |
Proposal of a Dynamic Spectrum Controlled Satellite Channel Allocation Algorithm Katsuya Nakahira, Jun-ichi Abe, Jun Mashino, Takatoshi Sugiyama (NTT) SAT2014-7 |
[more] |
SAT2014-7 pp.33-38 |
RCS |
2014-04-18 13:00 |
Aichi |
Nagoya Institute of Technology |
System Throughput Improvement by Timeout Optimization for CSMA/CA based Wireless Network Coding Prototype Kazuki Maruta, Jun Mashino, Nobuaki Otsuki, Takatoshi Sugiyama (NTT) RCS2014-13 |
This paper reveals the system throughput improvement on CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)... [more] |
RCS2014-13 pp.67-72 |
RCS, SR, SRW (Joint) |
2014-03-03 15:50 |
Tokyo |
Waseda Univ. |
Blind Interference Suppression Scheme by Eigenvector Beamspace CMA Adaptive Array with Subcarrier Transmission Power Control Kazuki Maruta, Jun Mashino, Yuki Nakato, Takatoshi Sugiyama (NTT) RCS2013-343 |
In order to extend the operational Signal to Interference power Ratio (SIR) range of the blind adaptive arrays, we previ... [more] |
RCS2013-343 pp.223-228 |
RCS, SR, SRW (Joint) |
2014-03-05 11:15 |
Tokyo |
Waseda Univ. |
Interference Suppression Using EM Algorithm in OFDM Transmissions Naotoshi Yoda, Tomoaki Ohtsuki (Keio Univ.), Jun Mashino, Takatoshi Sugiyama (NTT) RCS2013-379 |
A superposed transmission is one of the effective wireless communication schemes to improve the radio frequency utilizat... [more] |
RCS2013-379 pp.443-447 |
SAT, SANE (Joint) |
2014-02-20 14:30 |
Yamaguchi |
Hotel Kamefuku (Yamaguchi) |
Modeling of effects on other satellites during transmission from a ship in maritime satellite communications Takahiro Aoyagi (Tokyo Inst. of Tech.), Kouhei Suzaki, Takatoshi Sugiyama (NTT) SAT2013-53 |
[more] |
SAT2013-53 pp.17-21 |
SAT, SANE (Joint) |
2014-02-20 14:55 |
Yamaguchi |
Hotel Kamefuku (Yamaguchi) |
Study on satellite tracking antenna control system using 2 axes drive mechanism for small-vessels Masazumi Ueba (Muroran Inst. of Tech.), Kouhei Suzaki, Takatoshi Sugiyama (NTT) SAT2013-54 |
Generally small vessels subject to waves move more easily compared to large vessels , of which space for a satellite tra... [more] |
SAT2013-54 pp.23-28 |
SAT, SANE (Joint) |
2014-02-21 09:25 |
Yamaguchi |
Hotel Kamefuku (Yamaguchi) |
A Proposal of Bandwidth Allocation Method using TCP Window Size to Improve Frequency Utilization for SATCOM Systems Hisayoshi Kano, Katsuya Nakahira, Takatoshi Sugiyama (NTT) SAT2013-59 |
To improve frequency bandwidth utilization of SATCOM systems, this paper proposes a novel bandwidth allocation method us... [more] |
SAT2013-59 pp.53-58 |
AP |
2014-02-07 11:25 |
Aichi |
Kojima Industries Corporation, Kojima Research Center |
Propagation Characteristic Estimations of 2.4 GHz Inter-Car Wireless Links in High-Speed Train Cars in Railway Tunnel Takashi Hikage, Masami Shirafune, Toshio Nojima (Hokkaido univ.), Motoharu Sasaki, Wataru Yamada, Takatoshi Sugiyama (NTT) AP2013-180 |
[more] |
AP2013-180 pp.81-84 |
AP |
2014-02-07 13:40 |
Aichi |
Kojima Industries Corporation, Kojima Research Center |
[Invited Lecture]
Arrival Wave Characteristics of Horizontal and Vertical Plane Paths with Low Antenna Height in Residential Area Motoharu Sasaki, Wataru Yamada, Takatoshi Sugiyama (NTT) AP2013-183 |
[more] |
AP2013-183 pp.97-102 |
CS, OCS (Joint) |
2014-01-22 09:35 |
Tokyo |
Hajijo-jima Ohgagou Kouminkan |
Bandwidth Decomposition Transmission Control Method for Wireless Carrier Sense Multiple Access Systems Daisuke Murayama, Fusao Nuno, Takatoshi Sugiyama (NTT) CS2013-84 |
(Advance abstract in Japanese is available) [more] |
CS2013-84 pp.1-6 |
AP |
2014-01-24 11:45 |
Kagoshima |
Hozan Hall (Kagoshima Prefectural Culture Center) |
VHF Band Path Loss Model for Low Antenna Height in Residential Areas Motoharu Sasaki, Wataru Yamada, Takatoshi Sugiyama (NTT) AP2013-164 |
[more] |
AP2013-164 pp.175-180 |
SRW |
2013-12-16 13:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg |
A coexistence scheme for wireless LAN and multiple wireless PANs Fumihiro Inoue, Takayuki Nishio, Masahiro Morikura, Koji Yamamoto (Kyoto Univ.), Fusao Nuno, Takatoshi Sugiyama (NTT) SRW2013-40 |
To operate IEEE 802.11g based wireless LANs (WLANs) and IEEE 802.15.4 based wireless personal area networks (WPANs) in t... [more] |
SRW2013-40 pp.13-18 |