Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
WIT, IPSJ-AAC |
2021-03-06 09:55 |
Online |
Online |
A Feasibility Study of Precise Positioning for Pedestrian Trajectories Using QZSS CLAS and Dual Antenna GPS Hideo Makino (Niigata Univ.), Yohei Nakazawa (Takachiho Univ.), Yoshinobu Maeda, Masashi Takahashi (Niigata Univ.), Makoto Kobayashi, Daisuke Wakatsuki (Tsukuba Univ. Tech.), Jun Izutsu, Satoru Sugita, Hiromichi Fukui (Chubu Univ.) WIT2020-35 |
We conducted high-precision positioning experiments using QZSS (Quasi-Zenith Satellite System) and a dual antenna GPS re... [more] |
WIT2020-35 pp.32-36 |
SRW |
2021-01-18 13:15 |
Online |
Online |
[Short Paper]
Introducing our initiatives for social implementation of Relay-by-Smartphone
-- Kochi City's countermeasure against Tsunami and Cooperation with QZSS -- Yoshiyuki Senoo, Masuto Nishiura, Natsuko Ohuchi, Takashi Hamada (KKE) SRW2020-46 |
Ten years are about to pass since the Great East Japan Earthquake. In order to solve the problem of communication blacko... [more] |
SRW2020-46 p.21 |
SAT, SANE (Joint) |
2020-02-19 14:25 |
Okinawa |
|
Investigation for the Visivility of the 7th QZSS Satellite Mitsunori Kitamura, Nanako Oyagi, Hiroshi Watanabe, Takeyasu Sakai (ENRI) SANE2019-103 |
Quasi-Zenith Satellite System (QZSS) plans that the orbit of seventh satellite (QZS-7) will be quasi geostationary orbit... [more] |
SANE2019-103 pp.33-35 |
SRW, SeMI, CNR (Joint) |
2019-11-05 11:35 |
Tokyo |
Kozo Keisaku Engineering Inc. |
Disaster Safety Confirmation Collection System Using QZSS "Michibiki" and Smartphones Natsuko Ohuchi, Masuto Nishiura, Shin-Ichi Aikawa, Akira Yumura, Takashi Hamada (KKE) SeMI2019-67 |
To decide rescuers’ initial movement after a large-scale disaster, it is important to collect safety confirmation even i... [more] |
SeMI2019-67 pp.27-32 |
SR |
2019-05-31 10:00 |
Tokyo |
Tokyo Big Sight |
[Technology Exhibit]
QZSS short message SS-CDMA communication system
-- Evaluation of transmitting timing control error -- Hiroshi Oguma, Rei Kawai, Takumi Shimada (NIT, Toyama), Takeshi Asai (Next-Dimension), Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) SR2019-12 |
We have proposed Spread Spectrum Code Division Multiple Access (SS-CDMA) short message communication
using Quasi-Zenith... [more] |
SR2019-12 pp.71-77 |
SANE |
2019-01-25 14:25 |
Nagasaki |
Nagasaki Prefectural Art Museum |
Brief Experimental Studies on Satellite Positioning with Quasi-Zenith Satellite "Michibiki"
-- L5 Single Positioning and cm level positioning service MADOCA -- Hiromune Namie (NDA), Nobuaki Kubo (TUMSAT), Osamu Okamoto (Ibaraki NIT), Hiroki Irie (Kumamoto NIT), Masashi Yoshida (Salesio-SP), Saito Eiko (NMRI), Akio Yasuda (TUMSAT) SANE2018-107 |
The authors are going to report Brief Experimental Studies on Satellite Positioning with Quasi-Zenith Satellite "Michibi... [more] |
SANE2018-107 pp.99-103 |
SAT, SANE (Joint) |
2018-02-22 13:25 |
Yamaguchi |
The Yamaguchi Chamber of Commerce and Industry |
[Special Talk]
Cm class high precision navigation augmentation service by QZSS(Quasi Zenith Satellite System) and future utilization Hiroshi Koyama, Moriyasu Miyazaki (Mitsubishi Electric) SAT2017-61 |
QZSS(Quasi Zenith Satellite System) is under development and various satellite navigation services will start from FY201... [more] |
SAT2017-61 pp.31-34 |
SR |
2017-05-26 10:00 |
Tokyo |
Tokyo big sight |
[Technology Exhibit]
Experimental Evaluation for QZSS Short Message SS-CDMA Communication
-- Construction of Transmission Timing Control System with FPGA -- Rei Kawai, Hiroshi Oguma (NIT, Toyama College), Kei Ohya, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) SR2017-15 |
We have proposed Spread Spectrum Code Division Multiple Access (SS-CDMA) short message communication using Quasi-Zenith ... [more] |
SR2017-15 pp.89-95 |
RCS, SR, SRW (Joint) |
2017-03-03 16:00 |
Tokyo |
Tokyo Institute of Technology |
Experimental Evaluation of Transmission Timing Control for QZSS Short Message Synchronized SS-CDMA Communication Kei Ohya, Suguru Kameda (Tohoku Univ.), Hiroshi Oguma (NIT, Toyama College), Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2016-109 |
We have proposed synchronized spread-spectrum code-division multiple-access (SS-CDMA) communication for location and sho... [more] |
SR2016-109 pp.89-94 |
CQ (2nd) |
2016-10-06 14:20 |
Nagano |
Naganoken Nokyo Building |
[Poster Presentation]
Experimental evaluation of transmission timing control accuracy by positioning data error for QZSS short message SS-CDMA communication Kei Ohya, Suguru Kameda (Tohoku Univ.), Hiroshi Oguma (NIT, Toyama College), Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) |
We have proposed synchronized spread spectrum multiple access (synchronized SS-CDMA) short message communication using Q... [more] |
|
SAT, RCS (Joint) |
2016-08-19 14:30 |
Miyagi |
Tohoku Gakuin University |
Solution of Hidden Terminal Problem in WLAN by Location-Based Virtual Sector Method: Evaluation of Sector Re-division Scheme in Shadowing Environment Kohei Akimoto, Suguru Kameda, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2016-146 |
Hidden terminal problem degrades the uplink system throughput of wireless local area network (WLAN) seriously. To solve ... [more] |
RCS2016-146 pp.95-100 |
SR, SRW (Joint) |
2016-05-17 14:00 |
Overseas |
Hotel Lasaretti, Oulu, Finland |
[Poster Presentation]
Evaluation of Location-Based Virtual Sector Method for Hidden Terminal Problem in WLAN Kohei Akimoto, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2016-19 SRW2016-16 |
We have proposed the location-based virtual sector (VS) method that can solve the hidden terminal problem without overhe... [more] |
SR2016-19 SRW2016-16 pp.69-70(SR), pp.57-58(SRW) |
SANE |
2016-01-22 14:55 |
Nagasaki |
Nagasaki Prefectural Art Museum |
Estimation Technique of GNSS Signal Detection Characteristics Employing an all-direction camera Keisuke Nishi, Shigeo Otsu, Seiji Yoshida, Takashi Hirose (former NTT) SANE2015-103 |
For the purpose of achieving optimization of GNSS antennas location where GNSS satellite signals can’t be received prope... [more] |
SANE2015-103 pp.123-128 |
SR |
2016-01-22 13:20 |
Nagasaki |
Fukue-bunka-kaikan |
QZSS Short Message SS-CDMA Communication: Consideration of Fairness in Random Access Control Scheme with Reservation Channel Kei Ohya, Tomohide Takahashi, Suguru Kameda (Tohoku Univ.), Hiroshi Oguma (NIT, Toyama College), Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2015-85 |
The Quasi-Zenith Satellite System (QZSS) is expected to provide a high accurate positioning service and allows two-way c... [more] |
SR2015-85 pp.87-94 |
AP, RCS, WPT, SAT (Joint) |
2015-11-05 13:35 |
Okinawa |
Okinawa Prefectural Museum & Art Museum |
C/Ku-Band Reflector Antenna for QZSS Tracking Control Stations Tomohiro Takahashi, Hiroto Ado (Mitsubishi Electric), Syuji Kawano (Mitsubishi Electric Engineering), Koji Yoshida, Hidenori Yukawa, Tetsu Owada, Tomohiro Mizuno, Hiroyuki Sato (Mitsubishi Electric) AP2015-133 SAT2015-55 |
The Quasi-Zenith Satellite System (QZSS) is a Japanese satellite positioning system for the realization of more precise ... [more] |
AP2015-133 SAT2015-55 pp.135-140(AP), pp.41-46(SAT) |
RCS |
2015-04-17 08:30 |
Oita |
Yufuin, Yufugoukan |
Evaluation of Positioning Accuracy on QZSS Terminal for GPS Complementary and Reinforcement Hiroshi Oguma, Keita Norishima, Konatsu Suehiro (NIT,Toyama), Yuji Miyake, Suguru Kameda, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2015-9 |
Quasi-Zenith Satellite System (QZSS) is a satellite navigation system consisting of several QZSS satellites in highly i... [more] |
RCS2015-9 pp.41-46 |
SR |
2015-01-29 13:50 |
Hokkaido |
KKR Hakodate |
Experimental Evaluation of Synchronization Accuracy for QZSS SS-CDMA Short Message Communication Kohei Akimoto, Yuji Miyake, Suguru Kameda, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2014-96 |
For realizing a safety confirmation system for disaster utilizing Quasi-Zenith Satellite (QZS), we have proposed spread ... [more] |
SR2014-96 pp.13-18 |
RCS |
2014-06-17 09:40 |
Okinawa |
Okinawa-ken Seinenkaikan (Naha) |
Transmission Performance of QZSS Short Message Communication SS-CDMA in Rayleigh Fadaing Environment Kohei Akimoto, Yuji Miyake, Suguru Kameda, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2014-37 |
Quasi-Zenith Satellite System (QZSS) is expected to provide a high accurate positioning service and allows two-way commu... [more] |
RCS2014-37 pp.31-36 |
SAT, WBS (Joint) |
2014-05-15 15:10 |
Aichi |
Nagoya Institute of Technology |
QZSS Short Message SS-CDMA Communication: Performance Evaluation of Efficient Random Access Control Scheme with Reservation Channel Suguru Kameda, Tomohide Takahashi, Yuji Miyake, Akinori Taira (Tohoku Univ.), Fumihiro Yamagata (KNCT), Hiroshi Oguma (TNCT), Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SAT2014-3 |
Quasi-Zenith Satellite System (QZSS) is expected to provide a high accurate positioning service and allows two-way commu... [more] |
SAT2014-3 pp.11-16 |
RCS, SR, SRW (Joint) |
2014-03-03 16:40 |
Tokyo |
Waseda Univ. |
QZSS Short Message SS-CDMA Communication : Access Control with Reserve Channel Tomohide Takahashi, Yuji Miyake, Suguru Kameda, Akinori Taira (Tohoku Univ), Fumihiro Yamagata (Kushiro National College of Technology), Hiroshi Oguma (Toyama National College of Technology), Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ) RCS2013-332 |
Quasi-Zenith Satellite System (QZSS) is expected to provide a high accurate positioning service and allows two-way commu... [more] |
RCS2013-332 pp.157-162 |