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All Technical Committee Conferences (All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SAT (Joint) |
2019-08-23 09:55 |
Aichi | Nagoya University |  SAT2019-33 |
[more] | SAT2019-33 pp.85-91 |
| RCS, SAT (Joint) |
2019-08-23 11:00 |
Aichi | Nagoya University | [Encouragement Talk]
PAPR Reduction Effect by Sub-Spectrum Rotation when Multiple Division in Direct Spectrum Division Transmission Sumika Omata, Takatoshi Sugiyama (Kogakuin Univ.), Izumi Urata, Fumihiro Yamashita (NTT) SAT2019-35 |
[more] | SAT2019-35 pp.99-104 |
| SANE, SAT (Joint) |
2019-02-13 10:00 |
Kagoshima | Tanegashima Island | A Study on PAPR Reduction by Sub-Spectrum Rotation in Direct Spectrum Division Transmission Sumika Omata, Motoi Shirai, Takatoshi Sugiyama (Kogakuin Univ.), Izumi Urata, Fumihiro Yamashita (NTT) SAT2018-57 |
[more] | SAT2018-57 pp.1-6 |
| SANE, SAT (Joint) |
2019-02-13 10:25 |
Kagoshima | Tanegashima Island | Calculated Distance Error Improvement Based on Average GPS Signal Power in Many Skyscrapers Environments Toshinari Hayakawa, Norifumi Murai, Takatoshi Sugiyama (Kogakuin Univ.) SAT2018-58 |
[more] | SAT2018-58 pp.7-12 |
| SAT, RCS (Joint) |
2018-08-10 09:00 |
Iwate | Iwate University | Bit Error Rate Improvement by Using MLD in Spectrum Suppressed Transmission Motoi Shirai, Sumika Omata, Takatoshi Sugiyama (Kogakuin Univ.) SAT2018-39 |
Spectrum suppressed transmission that increases the frequency utilization efficiency (throughput / required bandwidth) b... [more] | SAT2018-39 pp.55-60 |
| SAT, RCS (Joint) |
2018-08-10 09:25 |
Iwate | Iwate University | Line of Sight Rate in Relay Type GPS Using Mobile Terminals Norifumi Murai, Toshinari Hayakawa, Takatoshi Sugiyama (Kogakuin Univ.) SAT2018-40 |
In recent years, GPS has been widely used as a position calculation system using satellites. However, in urban areas, so... [more] | SAT2018-40 pp.61-66 |
| SAT, RCS (Joint) |
2018-08-10 09:50 |
Iwate | Iwate University | Calculated Distance Error Improvement Based on GPS Received Signal Power in Many Skyscrapers Environments Hayakawa Toshinari, Norihumi Murai, Takatoshi Sugiyama (Kogakuin Univ.) SAT2018-41 |
In recent years, positioning using GPS (Global Positioning System) has been widely used and introduced in various system... [more] | SAT2018-41 pp.67-72 |
| 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 |
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