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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SAT, WBS (Joint) |
2018-05-24 15:30 |
Kagoshima | Kagoshima University | A Study on PAPR Reduction by using clipping in Direct Spectrum Division Transmission Sumika Omata, Motoi Shirai, Takatoshi Sugiyama (Kogakuin Univ.)  SAT2018-4 |
[more] | SAT2018-4 pp.15-20 |
| SAT, SANE (Joint) |
2018-02-22 12:55 |
Yamaguchi | The Yamaguchi Chamber of Commerce and Industry | Position Calculation Accuracy Improvement of Relay Type GPS Using Elevation Mask Norifumi Murai, Takatoshi Sugiyama (Kogakuin Univ.) SAT2017-60 |
[more] | SAT2017-60 pp.25-30 |
| RCS | 2017-06-21 13:00 |
Okinawa | Ishigaki Shoukou Kaikan | PAPR Characteristics Variation of Spectrum Suppressed Transmission Due to Different Suppression Filters' Frequency Responses Motoi Shirai, Takatoshi Sugiyama (Kogakuin Univ.) RCS2017-50 |
[more] | RCS2017-50 pp.1-6 |
| SANE, SAT (Joint) |
2017-02-23 15:05 |
Chiba | Katsuura Hotel Mikazuki | PAPR Characteristics of Spectrum Suppressed Transmission for Single Carrier Modulation Motoi Shirai, Takatoshi Sugiyama (Kogakuin Univ), Katsuya Nakahira (NTT) SAT2016-67 |
Spectrum suppression transmission to increase frequency utilization efficiency by suppressing required bandwidth has bee... [more] | SAT2016-67 pp.35-40 |
| SR | 2015-05-28 15:15 |
Hyogo | Akashi-Sangyou-Koryu-Center | Rario Environment Statistical Recognition Based on State Transition Model with Considering of Intersystem Interference in Spectrum Sharing Scenarios Hirofumi Sasaki, Takayuki Yamada, Jun Mashino, Takatoshi Sugiyama (NTT) SR2015-6 |
In heterogeneous wireless networks with spectrum sharing, radio wave collisions often occur randomly by not only intra-s... [more] | SR2015-6 pp.31-38 |
| WBS, SAT (Joint) |
2015-05-29 13:00 |
Tokyo | Tokyo City Univ. (Setagaya Campus) | Field Trials on Dynamic Spectrum Control SATCOM System
-- Direct Spectrum Division Transmission -- Jun-ichi Abe, Kouhei Suzaki, Ryo Miyatake, Jun Mashino, Katsuya Nakahira, Takatoshi Sugiyama (NTT) SAT2015-8 |
[more] | SAT2015-8 pp.43-48 |
| WBS, SAT (Joint) |
2015-05-29 13:25 |
Tokyo | Tokyo City Univ. (Setagaya Campus) | Field Trials on Spectrum Control SATCOM System
-- Spectrum Suppressed Transmission -- Jun Mashino, Jun-ichi Abe, Katsuya Nakahira, Takatoshi Sugiyama (NTT) SAT2015-9 |
We have proposed the spectrum control satellite communication system based on an existence communication satellite that ... [more] | SAT2015-9 pp.49-54 |
| WBS, SAT (Joint) |
2015-05-29 13:50 |
Tokyo | Tokyo City Univ. (Setagaya Campus) | Field Trials on Spectrum Control SATCOM System
-- Channel Assignment Technology -- Katsuya Nakahira, Hisayoshi Kano, Jun-ichi Abe, Jun Mashino, Takatoshi Sugiyama (NTT), Masanori Yofune, Kazuto Yano, Julian Webber (ATR) SAT2015-10 |
[more] | SAT2015-10 pp.55-60 |
| RCS, SR, SRW (Joint) |
2015-03-04 13:35 |
Tokyo | Tokyo Institute of Technology | Performance evaluation of SSB-DFTs-OFDM using multi-level BPSK through non-linear amplifier Shigeki Nihei, Hirokazu Fusayasu, Masahiro Umehira (Ibaraki Univ.), Jun Mashino, Jun-ichi Abe, Takatoshi Sugiyama (NTT) RCS2014-327 |
SSB (Single Side Band) transmission of digital modulation signals can reduce the bandwidth of DSB (Double Side Band) dig... [more] | RCS2014-327 pp.153-158 |
| RCS, SR, SRW (Joint) |
2015-03-05 09:55 |
Tokyo | Tokyo Institute of Technology | Novel Coexistence Scheme between WLAN and RoF-based WLAN Kaito Funabiki, Takayuki Nishio, Masahiro Morikura, Koji Yamamoto (Kyoto Univ.), Daisuke Murayama, Takatoshi Sugiyama (NTT) SRW2014-50 |
To facilitate management of a wireless local area network (WLAN) system, the WLAN system with radio-over-fiber (RoF) is ... [more] | SRW2014-50 pp.19-24 |
| RCS, SR, SRW (Joint) |
2015-03-05 10:20 |
Tokyo | Tokyo Institute of Technology | Proposal of coexistence scheme for wireless LAN and multiple wireless PANs Fumihiro Inoue, Takayuki Nishio, Masahiro Morikura, Koji Yamamoto (Kyoto Univ.), Daisuke Murayama, Takatoshi Sugiyama (NTT) SRW2014-51 |
To operate IEEE 802.11g based wireless LANs (WLANs) and IEEE 802.15.4 based wireless personal area networks (WPANs) in t... [more] | SRW2014-51 pp.25-30 |
| AP | 2015-02-20 14:55 |
Hyogo | Chusho-kigyou center at Amagasaki-City | [Invited Lecture]
Path Loss Characteristics of Microwave to Millimeter Wave Bands in Street Microcell Device-to-Device Environment Motoharu Sasaki, Minoru Inomata, Wataru Yamada, Takatoshi Sugiyama, Masato Mizoguchi (NTT), Koshiro Kitao, Tetsuro Imai (NTT Docomo) AP2014-208 |
[more] | AP2014-208 pp.119-123 |
| SANE, SAT (Joint) |
2015-02-18 14:45 |
Okinawa | Okinawaken Shichoson Jichikaikan | Resource Transfer SATCOM Channel Assignment Method using Spectrum Division and Suppression Transmission Katsuya Nakahira, Jun-ichi Abe, Jun Mashino, Takatoshi Sugiyama (NTT) SAT2014-56 |
[more] | SAT2014-56 pp.31-36 |
| SANE, SAT (Joint) |
2015-02-18 15:10 |
Okinawa | Okinawaken Shichoson Jichikaikan | Study on compensation method of disturbance torque applied to highly accurate satellite trcking antenna system for small-vessels Masazumi Ueba (MIT), Kouhei Suzaki, Takatoshi Sugiyama (NTT) SAT2014-57 |
Generally small vessels subject to waves move more easily compared to large vessels , of which space for a satellite tra... [more] | SAT2014-57 pp.37-41 |
| SANE, SAT (Joint) |
2015-02-19 13:25 |
Okinawa | Okinawaken Shichoson Jichikaikan | Proposed satellite MIMO techniques for reducing interference in multi-satellite/multi-beam system with single frequency reuse Daisuke Goto, Fumihiro Yamashita, Takatoshi Sugiyama, Kiyoshi Kobayashi (NTT) SAT2014-64 |
This paper proposes a multi-satellite/multi-beam system with single frequency for large capacity as the satellite system... [more] | SAT2014-64 pp.79-83 |
| AP | 2015-01-23 12:30 |
Ehime | Ehime University | Propagation Loss Characteristics for Millimeter-wave Band in NLOS Street Microcell Environment Minoru Inomata, Wataru Yamada, Motoharu Sasaki, Takatoshi Sugiyama, Masato Mizoguchi (NTT), Koshiro Kitao, Tetsuro Imai (NTT DOCOMO) AP2014-178 |
In this paper, propagation loss characteristics for millimeter wave band in NLOS street microcell environment are analyz... [more] | AP2014-178 pp.97-102 |
| AP | 2015-01-23 12:55 |
Ehime | Ehime University | Millimeter-wave Band Path Loss Characteristics Considering Shielding Loss on LoS Road in Street Microcell Environment Motoharu Sasaki, Minoru Inomata, Wataru Yamada, Takatoshi Sugiyama, Masato Mizoguchi (NTT), Koshiro Kitao, Tetsuro Imai (NTT Docomo) AP2014-179 |
In this paper, path loss characteristics in multi frequency bands including micro wave, low millimeter wave, and millime... [more] | AP2014-179 pp.103-108 |
| 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 |
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