Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP, SANE, SAT (Joint) |
2023-07-13 14:00 |
Hokkaido |
The Citizen Activity Center (Primary: On-site, Secondary: Online) |
Measurement Method of Tropospheric Propagation Delay utilizing Distance Measuring Equipment Atsushi Kezuka, Takayuki Yoshihara, Naoki Fujii (ENRI) AP2023-47 SANE2023-28 SAT2023-23 |
Utilization of positionings by DME as a GNSS backup is being studied in case of GNSS outage. Various researches has been... [more] |
AP2023-47 SANE2023-28 SAT2023-23 pp.88-91(AP), pp.39-42(SANE), pp.77-80(SAT) |
SANE |
2023-01-20 13:50 |
Tokyo |
(Primary: On-site, Secondary: Online) |
Analysis Results of LIDAR Observation for Aircraft Wake Vortices on Approach at Haneda Airport Naoki Fujii, Takayuki Yoshihara, Atsushi Senoguchi (ENRI) SANE2022-96 |
In response to increasing of worldwide aviation demand, it is required to expand the airport capacity of congested airpo... [more] |
SANE2022-96 pp.40-45 |
SANE |
2022-08-18 14:05 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Observation of Tropospheric Propagation Delay using Distance Measuring Equipment Atsushi Kezuka, Takayuki Yoshihara, Munehiko Takashima, Shinji Saitoh, Hiroyuki Oda, Naoki Fujii (ENRI) SANE2022-35 |
Vulnerability of GNSS has been mentioned as an important issue even though aircraft navigation relies on GNSS. So, perfo... [more] |
SANE2022-35 pp.13-17 |
EST |
2020-01-31 09:30 |
Oita |
Beppu International Convention Center |
Worst Case Analysis of DME Tropospheric Propagation Delay Atsushi Kezuka, Kambayashi Atsushi, Takayuki Yoshihara, Naoki Fujii (ENRI) EST2019-90 |
RNP route implementations to busy airports are being planed to support aircraft navigation in EU, Japan and other countr... [more] |
EST2019-90 pp.59-62 |
SANE |
2020-01-31 13:35 |
Nagasaki |
Nagasaki Prefectural Art Museum |
Analysis of LIDAR Observation Data for Aircraft Wake Vortices on Approach Naoki Fujii, Takayuki Yoshihara, Aysushi Senoguchi (MPAT) SANE2019-95 |
In response to increasing of worldwide aviation demand, it is required to expand the airport capacity of congested airpo... [more] |
SANE2019-95 pp.61-66 |
SANE |
2018-11-09 09:10 |
Overseas |
China (Xuchang) |
Initial Analysis of Impact of DME Ranging Error Caused by Propagation Issue on Integrity Assurance Atsushi Kezuka, Takayuki Yoshihara, Naoki Fujii (ENRI) SANE2018-82 |
GNSS which is used for aircraft navigation is vulnerable because GNSS signals from the satellite are weak. Construction ... [more] |
SANE2018-82 pp.133-136 |
IBISML |
2018-11-05 15:10 |
Hokkaido |
Hokkaido Citizens Activites Center (Kaderu 2.7) |
[Poster Presentation]
Comparison of Bayes estimation and variational Bayes estimation in mixed normal distribution model Tomofumi Nakayama, Naoki Fujii (UT), Kenji Nagata (AIST/JST PRESTO), Masato Okada (UT) IBISML2018-82 |
In Gaussian Mixture Model (GMM), Bayesian estimation is one of the estimation methods, but analyti- cal calculation is d... [more] |
IBISML2018-82 pp.287-292 |
SANE |
2015-11-23 16:05 |
Overseas |
AIT, Bangkok, Thailand |
Atmospheric Propagation Delay Correction Based on Ground-based Observations for DME Ranging Atsushi Kezuka, Takayuki Yoshihara, Susumu Saito, Naoki Fujii (ENRI) SANE2015-57 |
[more] |
SANE2015-57 pp.45-48 |
SANE |
2014-10-22 14:00 |
Overseas |
Ramada Plaza Melaka, Malacca, Malaysia |
[Tutorial Lecture]
Outline and Future Research Vision of ENRI
-- Special Tutorial Session on Air Traffic Management Systems -- Naoki Fujii (ENRI) SANE2014-71 |
This paper introduces an outline of the Electronic Navigation Research Institute (ENRI) and the renewed future long-term... [more] |
SANE2014-71 pp.39-44 |
AP |
2014-06-12 12:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Evaluation of Ranging Error Fluctuation Caused by Baiu-front Movement using Ray-tracing Atsushi Kezuka, Takayuki Yoshihara, Susumu Saito, Naoki Fujii (ENRI) AP2014-40 |
GNSS is widely used in aircraft navigation. On the other hand, APNT (Alternate Position, Navigation and Timing) is requi... [more] |
AP2014-40 pp.1-5 |
SANE |
2013-07-26 14:30 |
Tokyo |
Electric Navigation Research Institute |
A study on evaluation method of atmospheric propagation delay in DME/DME positioning as backup for GNSS based aircraft operation Atsushi Kezuka, Takayuki Yoshihara, Susumu Saito, Naoki Fujii (ENRI) SANE2013-40 |
Aircraft navigation which relies on GNSS will be available in the near future. Therefore, safety and minimization of th... [more] |
SANE2013-40 pp.17-21 |
SAT, SANE (Joint) |
2010-02-26 09:20 |
Tokyo |
NICT-Honbu |
A study of spatial gradient in ionospheric delay for safety system design of GBAS (Ground-based Augmentation System) Takayuki Yoshihara, Susumu Saito, Naoki Fujii (ENRI) SANE2009-168 |
GBAS is a system based on a differential GPS technique for aircraft precision approach and landing near and at airport u... [more] |
SANE2009-168 pp.53-56 |
SANE |
2010-01-29 14:00 |
Nagasaki |
Nagasaki Prefectural Art Museum |
Study on Obstacle Clearance Criteria for GBAS Precision Approaches Seigo Fujita, Masahiro Kudo, Sonosuke Fukushima, Naoki Fujii (ENRI) SANE2009-153 |
[more] |
SANE2009-153 pp.85-89 |
SANE |
2009-08-28 14:00 |
Kanagawa |
JAXA Sagamihara campus |
Ranging Accuracy Assessment of Galileo Signals Seigo Fujita, Naoki Fujii, Minoru Ito (ENRI) SANE2009-57 |
In Europe, an original satellite navigation system named Galileo is being developed aiming at the complete operation by ... [more] |
SANE2009-57 pp.27-32 |
SAT, SANE (Joint) |
2009-02-27 13:25 |
Kyoto |
NICT Knowledge Creating Communication Research Center |
SBAS Ranging Signals Effects on SBAS for GNSS Naoki Fujii, Susumu Saito, Takayuki Yoshihara, Shinji Saitoh, Sonosuke Fukushima, Masahiro Kudo (Electronic Navigation Res Inst.) SANE2008-121 |
A GBAS (Ground-Based Augmentation System) using SBAS (Satellite-Based Augmentation System) ranging sources has an advant... [more] |
SANE2008-121 pp.53-58 |
SANE |
2008-12-19 14:55 |
Saitama |
Nippon Institute of Technology |
Aviation GNSS Systems and Onboard Receivers Takeyasu Sakai, Sonosuke Fukushima, Masahiro Kudo, Naoki Fujii (Electronic Navigation Research Inst.) SANE2008-91 |
For Japanese airspace, the GNSS, global navigation satellite system, is being introduced as a means of RNAV navigation a... [more] |
SANE2008-91 pp.25-30 |
SANE |
2008-07-25 14:45 |
Tokyo |
Electric Navigation Research Institute |
Reducing Cancellation of Flights by Introduction of GNSS Approach Takeyasu Sakai, Noboru Takeichi, Sonosuke Fukushima, Masahiro Kudo, Naoki Fujii, Tetsushi Yamamoto, Hirokazu Nameki, Yoshihiro Miyatsu, Yutaka Fukuda (ENRI) SANE2008-42 |
[more] |
SANE2008-42 pp.7-12 |
SANE |
2008-01-24 15:55 |
Nagasaki |
Nagasaki Prefectural Art Museum |
Results of Applying Range Difference Estimation as Signal Quality Monitoring Method to Deformation Pseudo GPS Signal Shinji Saitoh, Takayuki Yoshihara, Sonosuke Fukushima, Naoki Fujii (ENRI) SANE2007-111 |
In the GNSS based navigation system such as GBAS (ground based augmentation system) that is developped in Electronic Nav... [more] |
SANE2007-111 pp.55-58 |
SANE |
2006-07-28 14:50 |
Tokyo |
ENRI |
A study on estimation of propagation path difference between direct and sea reflected GPS signals using code correlation curve measurement Takayuki Yoshihara, Shinji Saitoh, Naoki Fujii, Takeyasu Sakai, Sonosuke Fukushima (ENRI) SANE2006-88 |
Since a multi-path signal affects code correlation curve, its monitoring will make it possible to estimate and extract a... [more] |
SANE2006-88 pp.25-30 |
SANE |
2006-01-27 13:25 |
Hyogo |
Kansai Advanced Research Center |
GPS Signal Quality Monitoring by Correlation Curve Shinji Saitoh, Takayuki Yoshihara, Sonosuke Fukushima, Naoki Fujii (ENRI) |
In the GPS landing system, the GPS signal quality monitor that issues an alarm to the user is necessary.
We developed ... [more] |
SANE2005-92 pp.25-30 |