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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 144  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SAT, RCS
(Joint)
2022-08-25
10:15
Hokkaido
(Primary: On-site, Secondary: Online)
Frequency Utilization Efficiency Improvement of Spectrum Suppressed Transmission Applied by LDPC Encoding
Teppei Kanke, Takatoshi Sugiyama (Kogakuin Univ.)
 [more]
SAT, RCS
(Joint)
2022-08-25
10:40
Hokkaido
(Primary: On-site, Secondary: Online)
GPS Calculated Distance Error Improvement by Number of Reflections and Incident Angle Estimations Based on Received Signal Power and Pseudo Range in Shinjuku Area
Koichi Saito, Takatoshi Sugiyama (Kogakuin Univ.)
 [more]
SAT 2021-10-08
14:20
Online Online Frequency Utilization Efficiency of Spectrum Suppressed Transmission for ESV
Kenji Yanagida, Takatoshi Sugiyama (Kogakuin Univ.) SAT2021-51
In order to solve the problem of depletion of the frequency bandwidth, which is a finite resource necessary for the use ... [more] SAT2021-51
pp.42-46
RCS, SAT
(Joint)
2021-08-27
16:20
Online Online GPS Calculated Distance Error Improvement by Received Signal Power and Pseudo Range Estimations in Many Skyscrapers Environments
Koichi Saito, Takatoshi Sugiyama (Kogakuin Univ) SAT2021-37
GPS positioning is calculated from the pseudo range calculated by the observed propagation time between GPS satellites a... [more] SAT2021-37
pp.49-54
RCS, SAT
(Joint)
2021-08-27
16:45
Online Online Adjacent Channel Interference Performances of Spectrum Suppressed Transmission Applied by Clipping
Teppei Kanke, Takatoshi Sugiyama (Kogakuin Univ.) SAT2021-38
 [more] SAT2021-38
pp.55-60
RCS, SAT
(Joint)
2021-08-27
17:10
Online Online Calculated Distance Error Performances According to Receiver Allocations in Relay Type GPS Employing Drones
Kouhei Yoshida, Takatoshi Sugiyama (Kogakuin Univ.) SAT2021-39
In recent years, GPS has been used widely. However, it is difficult to receive GPS signals from GPS satellites in an urb... [more] SAT2021-39
pp.61-66
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
 Results 1 - 20 of 144  /  [Next]  
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