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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 69  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SANE 2024-01-18
10:40
Miyagi
(Primary: On-site, Secondary: Online)
Design Specifications of the message format on QZSS Disaster Crisis Report -- Refinement of Methods for Designating Evacuation Instructions Target Areas --
Keiko Shimazu (AIIT), Michi Hamashita, Taku Yamamoto, Soma Nishimura, Toyomo Shimabata, Sora Masaki (TMU), Yuno Sudo (YNU) SANE2023-90
This paper introduces the message format for text information broadcast on the Quasi-Zenith Satellite System (QZSS) L1S ... [more] SANE2023-90
pp.1-9
RCS, SAT
(Joint)
2023-08-31
14:15
Nagano Naganoken Nokyo Building, and online
(Primary: On-site, Secondary: Online)
[Invited Talk] Reception of radiowave broadcast from quasi-zenith satellite Michibiki
Satoshi Takahashi (Hiroshima City Univ.) SAT2023-39 RCS2023-110
The quasi-zenith satellite system (QZSS), nicknamed Michibiki, broadcasts not only positioning signals but also informat... [more] SAT2023-39 RCS2023-110
pp.26-30(SAT), pp.38-42(RCS)
SANE 2023-05-23
15:00
Kanagawa Information Technology R & D Center, MITSUBISHI Electric Corp.
(Primary: On-site, Secondary: Online)
Generation and Evaluation of Quasi-Zenith Satellite MICHIBIKI’s Pseudo-positioning Signals
Shuto Kurokawa, Hidetoshi Kamitani, Takeshi Kumaki (Ritsumeikan Univ.), Masaaki Kobayashi (AOC) SANE2023-11
In recent years, the Global Navigation Satellite System (GNSS) has become widespread throughout the world, providing inf... [more] SANE2023-11
pp.61-65
SR 2023-05-12
09:35
Hokkaido Center of lifelong learning Kiran (Higashi Muroran)
(Primary: On-site, Secondary: Online)
Extraction of priority DCR messages from convolutional-coded L1S signals broadcast from quasi-zenith satellite Michibiki
Satoshi Takahashi (Hiroshima City Univ.) SR2023-15
The quasi-zenith satellite, Michibiki, not only broadcasts the positioning signals, but also conveys the disaster and cr... [more] SR2023-15
pp.71-74
RCS 2023-04-14
11:15
Shimane Matsue New Urban Hotel, and online
(Primary: On-site, Secondary: Online)
Reception of high precision satellite navigation signals sent from Michibiki and Galileo
Satoshi Takahashi (Hiroshima City Univ.) RCS2023-13
The quasi-zenith satellite system, Michibiki, broadcasts not only navigation signals but also messages to improve its ac... [more] RCS2023-13
pp.62-66
RCC, ISEC, IT, WBS 2023-03-14
13:25
Yamaguchi
(Primary: On-site, Secondary: Online)
Generation of GPS and QZSS Spoofing Signals
Yuta Kawasaki, ishii koji (Kagawa Univ.) IT2022-82 ISEC2022-61 WBS2022-79 RCC2022-79
Spoofing, in which actual satellite signals are spoofed to send signals with falsified position and time information, ha... [more] IT2022-82 ISEC2022-61 WBS2022-79 RCC2022-79
pp.91-96
SANE, SAT
(Joint)
2023-03-02
16:40
Okinawa
(Primary: On-site, Secondary: Online)
Investigation of QZSS Operational Reports: Characteristics of Failure and Maintenance
Takeyasu Sakai, Michi Masaki (ENRI) SANE2022-103
The QZSS (Quasi-Zenith Satellite System) has been operating for 4 years since November 2018. The authors investigated NA... [more] SANE2022-103
pp.25-30
SR 2022-11-08
10:55
Fukuoka Fukuoka University
(Primary: On-site, Secondary: Online)
QZSS Short Message SS-CDMA Communication System -- Evaluation of Satellite Signal Reception Error due to SVF --
Hiroto Kita, Hiroshi Oguma (NIT,Toyama), Suguru Kameda (Hiroshima Univ.), Noriharu Suematsu (Tohoku Univ.) SR2022-60
We have proposed Spread Spectrum Code Division Multiple Access (SS-CDMA) short message communication using Quasi-Zenith ... [more] SR2022-60
pp.84-90
SR 2022-11-08
11:20
Fukuoka Fukuoka University
(Primary: On-site, Secondary: Online)
Detecting quasi-zenith satellite L1S signals with its null message
Satoshi Takahashi (Hiroshima City Univ.) SR2022-61
The quasi-zenith satellite, Michibiki, not only broadcasts the L1C/A positioning signal, but also the L1S signal, which ... [more] SR2022-61
pp.91-93
AP, SANE, SAT
(Joint)
2022-07-27
10:50
Hokkaido Asahikawa Taisetsu Crystal Hall
(Primary: On-site, Secondary: Online)
[Special Talk] Introduction of PPP using MADOCA and Consideration for its Use
Hideki Yamada, Satoshi Kogure (JAXA) SAT2022-17
Japan Aerospace Exploration Agency (JAXA) has improved the position accuracy and the convergence performance of the Prec... [more] SAT2022-17
pp.1-6
AP, SANE, SAT
(Joint)
2022-07-27
13:05
Hokkaido Asahikawa Taisetsu Crystal Hall
(Primary: On-site, Secondary: Online)
How to use emergency broadcast systems' slave stations as QZSS(Quasi-Zenith Satellite System) signal receiver for disaster mitigation
Keiko Shimazu (AIIT), Michi Hamashita (TMU), Hiroyuki Yuasa (YNU) SANE2022-26
This paper shows a system’s design of a QZSS signal receiving system for disaster mitigation. QZSS is a localized Naviga... [more] SANE2022-26
pp.20-25
SANE 2022-05-24
14:10
Kanagawa Information Technology R & D Center, MITSUBISHI Electric Corp.
(Primary: On-site, Secondary: Online)
A Study on Generation of Quasi-Zenith Satellite MICHIBIKI's Pseudo Positioning Signals
Syuuto Kurokawa, Zhu Yan, Takeshi Kumaki, Kong Xiangbo (Ritumeikan Univ), Masaaki Kobayashi (AOC) SANE2022-8
In recent years, the Global Navigation Satellite System (GNSS) has become widespread throughout the world, providing inf... [more] SANE2022-8
pp.38-43
WIT, IPSJ-AAC 2022-03-09
13:50
Online Online A Feasibility Study of Precise Positioning for Pedestrian Trajectories Using QZSS CLAS
Hideo Makino, Yoshinobu Maeda, Masashi Takahashi, Toru Adachi (Niigata Univ.), Makoto Kobayashi, Daisuke Wakatsuki (Tsukuba Univ. Tech.), Jun Izutsu, Satoru Sugita, Hiromichi Fukui (Chubu Univ.) WIT2021-55
We conducted high-precision positioning experiments using the Quasi-Zenith Satellite System (QZSS) and centimeter-level ... [more] WIT2021-55
pp.71-76
CAS, CS 2022-03-04
15:30
Online Online A Study on Estimation of Ionospheric Electron Number and Instrument Bias Based on GNSS Data
Takuma Iwasaki, Ichi Takumi (NIT), Motoaki Mouri (AU) CAS2021-98 CS2021-100
(To be available after the conference date) [more] CAS2021-98 CS2021-100
pp.130-135
CQ, CBE
(Joint)
2022-01-27
13:50
Ishikawa Kanazawa(Ishikawa Pref.)
(Primary: On-site, Secondary: Online)
Fijian Early Warning System by using Japanese QZSS -- Systems Design and Field Test in Republic of Fiji --
Eri Hiraoka, Mari Aoba, Yui Igarashi, Makoto Ohshima, Keiko Shimazu (AIIT) CQ2021-80
(To be available after the conference date) [more] CQ2021-80
pp.24-29
SR 2022-01-24
15:30
Online Online Priority message statistics of disaster and crisis management report sent from quasi-zenith satellite Michibiki
Satoshi Takahashi (Hiroshima City Univ.) SR2021-63
The signals broadcast by the quasi-zenith satellite Michibiki include not only signals for positioning and augmentation,... [more] SR2021-63
pp.18-24
ICTSSL, CAS 2022-01-21
11:05
Online Online Fijian Early Warning System using by QZSS
Yui Igarashi, Mari Aoba, Eri Hiraoka, Makoto Ohshima, Keiko Shimazu (AIIT) CAS2021-64 ICTSSL2021-41
(To be available after the conference date) [more] CAS2021-64 ICTSSL2021-41
pp.56-59
MIKA
(3rd)
2021-10-29
10:30
Okinawa
(Primary: On-site, Secondary: Online)
[Poster Presentation] Fijian Early Warning System on QZSS
Yui Igarashi, Mari Aoba, Eri Hiraoka, Makoto Ohshima, Keiko Shimazu (AIIT)
Japanese QZSS (Quasi-Zenith Satellite System) is a satellite navigation system same as GPS and Galileo. The main purpose... [more]
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
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