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ENRI papers

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Standardization related activities
 ◆ 2022 
 ◆ 2021 
 ◆ 2020 
 ◆ 2019 

Standardization related activities

◆ 2022

ICAO Surveillance Panel (SP) Aeronautical Surveillance Working Group (ASWG) Technical Subgroup Meeting 14
31 January -11 February 2022
Surveillance Material in Doc 9830 A SMGCS Manual
  by Hiromi Miyazaki

This working paper provides a status report on updating contents related to surveillance in Doc 9830 Advanced Surface Movement Guidance and Control Systems (A-SMGCS) Manual. The material in this report was prepared in response to Action Item ASWG/14-16.


◆ 2021

ICAO Navigation Systems Panel (NSP) Joint Working Groups – Eighth Meeting
8 - 19 November 2021
Guidance on determination of the tropospheric refractivity, its uncertainty and scale height
  by Takayuki Yoshihara and Susumu Saito

This working paper discusses on determinations of the tropospheric refractivity, its uncertainty and scale height for a GBAS ground subsystem and proposes their guidance materials.


ICAO Navigation Systems Panel (NSP) Joint Working Groups – Eighth Meeting
8 - 19 November 2021
GBAS Status Update in Japan
  by Susumu Saito, Takayuki Yoshihara, and Sonosuke Fukushima

This paper presents an update to GBAS development in Japan. Japan is implementing a project in collaboration with Thailand to prove the feasibility of GBAS in low magnetic latitude region. Electronic Navigation Research Institute (ENRI) has carried out research and development activities related to GBAS which includes DFMC GBAS concept development, GAST-D performance enhancement for the low latitude region and advanced operations by GBAS.


ICAO Navigation Systems Panel (NSP) Joint Working Groups – Eighth Meeting
8 - 19 November 2021
Updated GAST X Proposal
  by Tim Murphy, Matt Harris (Boeing), Gary McGraw, Joel Wichgers (Collins Aerospace),
    Linda Lavik, Morten Topland, Mutaz Tuffaha (Indra Navia), Susumu Saito (ENRI)

This information paper describes an alternative architecture candidate proposal for consideration for the future Dual Frequency Multi-Constellation (DFMC) Ground Based Augmentation System (GBAS) which is referred to as GAST-X to differentiate it from SESAR GAST-F.


ICAO Navigation Systems Panel (NSP) Joint Working Groups – Eighth Meeting
8 - 19 November 2021
Progress on Space Weather Job Card
  by Susumu Saito and Space Weather ad hoc Group

This working paper reports on the progress of the Job Card NSP.007.002 on the Space Weather (SWX). Good progresses have been made for the actions defined in the Job Card. Coordination with METP was significantly enhanced and feedbacks on the ICAO SWX advisories were provided to METP. A new section on the SWX in the draft amendment of the GNSS Manual (Doc9849) was developed.


ICAO Surveillance Panel (SP) Fourteenth Meeting of the Aeronautical Surveillance Working Group (SP-ASWG/14)
1 - 5 November 2021
Surveillance Material in Doc 9830 A SMGCS Manual
  by Hiromi Miyazaki

This working paper provides a status report on updating contents related to surveillance in Doc 9830 Advanced Surface Movement Guidance and Control Systems (A-SMGCS) Manual. The material in this report was prepared in response to Action Item ASWG/13-23.


ICAO Surveillance Panel (SP) Fourteenth Meeting of the Aeronautical Surveillance Working Group (SP-ASWG/14)
1 - 5 November 2021
Analysis of the 1030-1090 MHz Signal Environment in Japan
  by Takuya Otsuyama, Junichi Honda, and Hiromi Miyazaki

This working paper provides a preliminary analysis of the number of Mode S messages for the 1030/1090 MHz signal environment in Japan. The material in this report was prepared in response to Action Item ASWG/13-27.


ICAO Surveillance Panel (SP) Twelfth meeting of the Airborne Surveillance Working Group (AIRB WG/12)
27 - 29 October 2021
Updated Proposal for PANS-OPS Provisions for IM Procedure
  by Eri Itoh, Takuya Otsuyama and IM ad hoc Group

This paper provides the proposals resulting from the action item AIRB/11-06: to review and update the working documents included in SP-AIRB-WG11-WP08. The ad hoc group proposed to limit the update to the PANS-OPS provisions because the draft amendment could be a good material to discuss with FLTOPSP. The other elements of the AIRB-WG11-WP08 were not discussed.


ICAO Surveillance Panel (SP) Twelfth meeting of the Airborne Surveillance Working Group (AIRB WG/12)
27 - 29 October 2021
Interval Management Presentation Package
  by Eri Itoh, Takuya Otsuyama and IM ad hoc Group

This paper provides the report of the IM ad hoc Group which met in June and September 2021. The main outcome of the meetings is a set of slides which are attached to the paper for AIRB-WG Review. The way forward is described in the paper including a high level timeline of Interval Management Standardization by ICAO.


ICAO Sixteenth Meeting of the Regional Monitoring Agencies Coordination Group Meeting (RMACG/16)
28 June 2021
ADS-B Geometric Height Reference Determination Using HMU Data
  by JASMA and ENRI

This paper presents the preliminary results of the determination of ADS-B geometric height reference with a method using geometric height difference between ADS-B’s and HMU’s.


ICAO Surveillance Panel (SP) Aeronautical Surveillance Working Group (ASWG)
Technical Subgroup Meeting 13
14 – 25 June 2021
Surveillance Material in Doc 9830 A SMGCS Manual
  by Hiromi Miyazaki

This working paper provides a status report on updating contents related to surveillance in Doc 9830 Advanced Surface Movement Guidance and Control Systems (A-SMGCS) Manual.


ICAO Surveillance Panel (SP) Aeronautical Surveillance Working Group (ASWG)
Technical Subgroup Meeting 13
14 – 25 June 2021
Analysis of the 1030-1090 MHz Signal Environment in Japan
  by Takuya Otsuyama, Junichi Honda, and Hiromi Miyazaki

This working paper provides a preliminary analysis of the number of Mode S messages for the 1030/1090 MHz signal environment in Japan.


ICAO Third Panel Meeting of the Separation and Airspace Safety Panel (SASP/3)
4 - 15 May 2021
Consideration of Ground Speed Distribution
  by Ryota Mori

One of the key parameters in collision risk model (CRM) is the distribution of ground speed. The ground speed data is collected in Japanese airspace, and its effect to the CRM is investigated.


ICAO Regional Monitoring Agencies Coordination Group (RMACG)
Monitoring Systems Standards Subgroup (MSSS) 4
29 April 2021
Distribution estimation of geometric height difference between HMU and ADS-B
  by Naoki Kanada, Keisuke Matsunaga, Hiromi Miyazaki, and Yasuhiro Marutsuka (JCAB)

In Japan, the difference between HAE and HAG is up to 150 ft. It causes non-negligible errors in height-keeping performance monitoring. This paper reports the probability density distributions associated with ADS-B Geometric Height Datums from the frequency distributions of the track average difference between the geometric height obtained by the ADS-B receiver and the geometric height measured by the Sendai HMU.


ICAO Navigation Systems Panel (NSP) Joint Working Groups – Seventh Meeting
26 April - 6 May 2021
QZSS standardization follow-up
  by Nobutaka Kishi (CAO), Toru Ishita (JRANSA), Takeyasu Sakai

This working paper is a follow-up paper of the discussion on NSP/6-WP45 (Rev.1) regarding the request to standardize QZSS as one of the future core constellations. It contains why Japan would like to add L1C signal to SARPs and also some ideas on how to interpret global (world-wide) systems for core constellations from QZSS standpoint.


ICAO Navigation Systems Panel (NSP) Joint Working Groups – Seventh Meeting
26 April - 6 May 2021
Coordination with METP on Space Weather
  by Susumu Saito

This working paper reports on the status of coordination with METP on Space Weather and discusses the NSP’s way forward.


ICAO Navigation Systems Panel (NSP) Joint Working Groups – Seventh Meeting
26 April - 6 May 2021
Guidance on the tropospheric scale height
  by Susumu Saito, Takayuki Yoshihara, Gary McGraw (Collins Aerospace), Matt Harris (Boeing)

This working paper discusses on the variations of expression of the tropospheric scale height and proposes a guidance material for the tropospheric scale height.


ICAO Surveillance Panel (SP)
Thirteenth Meeting of the Aeronautical Surveillance Working Group (SP-ASWG/13)
12 - 16 April 2021
Surveillance Material in Doc 9830 A SMGCS Manual
  by Hiromi Miyazaki

This paper provides a status report on updating contents related to surveillance in Doc 9830 Advanced Surface Movement Guidance and Control Systems (A-SMGCS) Manual.


ICAO Surveillance Panel (SP)
Thirteenth Meeting of the Aeronautical Surveillance Working Group (SP-ASWG/13)
12 - 16 April 2021
Analysis of the 1030-1090 MHz Signal Environment in Japan
  by Takuya Otsuyama, Junichi Honda, and Hiromi Miyazaki

This working paper provides the results of a preliminary analysis of the number of Mode S messages for the 1030/1090 MHz signal environment in Japan.


ICAO Air Traffic Management Requirements and Performance Panel (ATMRPP) Fourth Meeting
19 - 30 March 2021
Towards a Free Route Airspace Concept for Fukuoka FIR and Incheon FIR
  by Mark Brown

This working paper introduces a plan proposed to ENRI and KAU to refine and expand the concept, including investigating the application of FF-ICE/R1 services to help realize inter-FIR air traffic flow management in the North Asia Region.


ICAO Surveillance Panel (SP) Aeronautical Surveillance Working Group (ASWG) Technical Subgroup Meeting 12
19 - 30 March 2021
Analysis of the 1030/1090 Signal Environment in Japan
  by Takuya Otsuyama, Junichi Honda, and Hiromi Miyazaki

This working paper provides the results of a preliminary analysis of the number of Mode S messages for the 1030/1090 MHz signal environment in Japan.


ICAO Instrument Flight Procedure Panel (IFPP)
Meeting of The Working Group 5 (Collision Risk Model)
15 March 2021
OAS SOFTWARE DEVELOPMENT
  by Ryota Mori

The test version of a new OAS software has been released. The working group members are asked to test this software and provide feedback. Any comments and recommendations are also welcome.


ICAO Communications Panel (CP) DATA Communication Infrastructure Working Group (DCIWG) Terrestrial Data Link (PT-T)
12 March 2021
Current status of development of ENRI LDACS prototype and test results for forward link channels
  by Kazuyuki Morioka, Shunichi Futatsumori, Naruto Yonemoto, Jun Kitaori, Yasuto Sumiya, and Akiko Kohmura

This information paper presents current status of development of ENRI LDACS prototype. We show some test results for forward link channels. The results demonstrate that our prototype has been implemented well according to LDACS specification. ENRI would like to contribute to LDACS standardization in PT-T using our prototype from the technical point of view.


ICAO Surveillance Panel (SP) Aeronautical Surveillance Working Group (ASWG) Technical Subgroup Meeting 12
1 - 5 February 2021
Update of Surveillance Material in Doc 9830 A-SMGCS Manual
  by Hiromi Miyazaki

This working paper proposes a new work program for updating surveillance material in Doc 9830.


◆ 2020

ICAO Navigation Systems Panel Sixth Meeting (NSP/6)
2 - 13 November 2020
Update to the NSP Job Card NSP.007.02
  by Susumu Saito

This paper reviews the status of work related to the NSP Job Card NSP.007.02 and proposes amendment to the job card. A summary of discussion of the 1st meeting of NSP Space Weather ad hoc group held on 1 October 2020 is also reported.


The Meeting of the Informal Pacific ATC Co-ordinating Group
20 October 2020
Evaluation of PACOTS
  by Hiroko Hirabayashi, Mark Brown

This presentation compared PACOTS Track 3 (RJAA→KLAX) and Track F (KLAX→RJAA) between reference and test conditions.


EUROCAE WG-107
30 September 2020
DME Multipath error on SID/STAR
  by Atsushi Kezuka

ENRI reported DME multipath error on SID/STAR.


ICAO Surveillance Panel (SP)
Twelfth meeting of the Aeronautical Surveillance Working Group (SP-ASWG/12)
21 - 25 September 2020
Analysis of the 1030-1090 Signal Environment in Japan
  by Takuya Otsuyama, Junichi Honda, and Hiromi Miyazaki

It is necessary to monitor the usage of the 1030/1090 RF network to regulate its use properly. But monitoring of the 1030/1090 MHz frequency band is complex. Therefore, TSG had developed the RF Measurement Guidance Material to support RF measurements. This working paper provides measurement result examples of 1030/1090 MHz signal environment in Japan conducted by airborne measurements.


ICAO Surveillance Panel (SP)
Twelfth meeting of the Aeronautical Surveillance Working Group (SP-ASWG/12)
21 - 25 September 2020
Doc 9924 Change Proposal for a New Common Clock Architecture
  by Junichi Honda, Hiromi Miyazaki, Yasuyuki Kakubari, Tadashi Koga, and Takuya Otsuyama

This paper presents a draft of change proposal of Doc 9924 regarding a new common clock architecture.


ICAO Fifth Meeting of the Surveillance Implementation Coordination Group (SURICG/5)
22 - 24 September 2020
Example of ADS-B Position Verification Performance
  by Electronic Navigation Research Institute

ADS-B has a security concern of spoofing, which is transmissions of signals containing false aircraft information by an attacker. An effective countermeasure against spoofing is a position verification method using Time Difference of Arrival. Japan has conducted a performance evaluation of the position verification method in a spoofing experiment. This paper provides an example of performance evaluated in the spoofing experiment as information to contribute the SURICG activity.

    https://www.icao.int/APAC/Meetings/2020%20SURICG5/Forms/AllItems.aspx


ICAO Surveillance Panel (SP)
Tenth meeting of the Airborne Surveillance Working Group (AIRB WG/10)
16 - 18 September 2020
Ground-based Interval Management (GIM) related international collaborative research targeting arrivals at Singapore Changi International Airport
  by Eri Itoh, Michael Schultz, Srinivas Athota, Vu Duong

This information paper introduces the state-of-the-art of the international research activities related to ground-based interval management, targeting aircraft arrival traffic at Singapore Changi Airport. This paper is consecutive to SP-AIRB8-IP05 and SP-SIRB9-IP02.


ICAO Communications Panel (CP)
Twenty-Sixth Meeting of the Working Group I (Internetworking)
14 - 17 September 2020
A/G connectivity tests for SWIM through Wide-area AeroMACS system
  by Naruto Yonemoto, Kazuyuki Morioka, Junichi Naganawa, Norihiko Miyazaki,
  Akiko Kohmura, Syusaku Egami, Akinori Murata, and Xiaodang Lu

We are conducting the study and the development of the AeroMACS system and SWIM networks in Japan. We present an airborne demonstration of the SWIM connectivity through AeroMACS. We also developed a communication range extender to widen the coverage not only airport surface but also in the air near the airport. We validate the connectivity of SWIM is established.


ICAO Surveillance Panel (SP)
Aeronautical Surveillance Working Group (ASWG) Technical Subgroup Meeting 11
22 - 26 June 2020
Analysis of the 1030-1090 Signal Environment in Japan
  by Takuya Otsuyama, Junichi Honda, and Hiromi Miyazaki

It is necessary to monitor the usage of the 1030/1090 RF network to regulate its use properly. But monitoring of the 1030/1090 MHz frequency band is complex. Therefore, TSG had developed the RF Measurement Guidance Material to support RF measurements. This working paper provides measurement result examples of 1030/1090 MHz signal environment in Japan conducted by airborne measurements.


ICAO Surveillance Panel (SP)
Aeronautical Surveillance Working Group (ASWG) Technical Subgroup Meeting 11
22 - 26 June 2020
Doc 9924 Change Proposal for a New Common Clock Architecture
  by Junichi Honda and ENRI Surveillance Group

Electronic Navigation Research Institute (ENRI) has been investigating a Multilateration (MLAT) system employing a Radio-over-Fiber (RoF) technology for airport surface surveillance. RoF enables transmission of RF signals from a remote receiver station to a central site. This architecture using RoF would have several advantages over existing airport surface MLAT systems. This paper presents a draft of change proposal of Doc 9924 regarding a new common clock architecture.


EUROCAE WG-100
26 May 2020
Optical Sensor Presentation Georeferencing
  by Mark Brown, Satoru Inoue

ENRI discussed some functions required for the optical senser presentation.


ICAO The Third Meeting of Mode S Downlinked Aircraft Parameters Working Group (MODE S DAPs WG/3)
12 - 14 May 2020
Utilization of Mode-S DAPs data for weather forecast
  by Hiromi Miyazaki, Atsushi Senoguchi

This paper presents, in Attachment 1, experimental results for utilization of Mode-S DAPs data for weather forecast conducted in Japan. Experimental results indicated that Mode-S DAPs data have a potential to improve weather forecasts.


EUROCAE WG-100
28 April 2020
ED-240A/Abis/B, Review by ENRI and Suggested Enhancements/Changes
  by Mark Brown, Satoru Inoue

In this meeting ENRI submitted a summary of review for ED-240A.


ICAO Navigation Systems Panel (NSP)
GNSS SARPS Working Group, Spectrum Working Group and Validation Working Group Meetings (GSSVWG)
20 - 24 April 2020
Doppler shift of QZS-7 satellite
  by Toru Ishita (JRANSA), Mitsunori Kitamura

At EUOCAE EG 62 (50th), discussion was made about Doppler Shift of QZS-7 satellite for MSAS inside the Service Area of Japan taking initial acquisition of L1 GPS signal into consideration. Then it was also pointed out that there seems to be inconsistency between the texts of existing SARPs and MOPS in this regard. This paper summarizes extending analysis on this issue of MSAS and associated change proposal of SARPs Annex 10.


ICAO Surveillance Panel (SP)
Eleventh meeting of the Aeronautical Surveillance Working Group (SP-ASWG/11)
2 April 2020
Analysis of the 1030-1090 Signal Environment in Japan
  by Takuya Otsuyama, Junichi Honda and Hiromi Miyazaki

It is necessary to monitor the usage of the 1030/1090 RF network to regulate its use properly. But monitoring of the 1030/1090 MHz frequency band is complex. Therefore, TSG had developed the RF Measurement Guidance Material to support RF measurements. This working paper provides measurement result examples of 1030/1090 MHz signal environment in Japan conducted by airborne measurements.


ICAO Surveillance Panel (SP)
Eleventh meeting of the Aeronautical Surveillance Working Group (SP-ASWG/11)
2 April 2020
Doc 9924 CP for a New Common Clock Architecture
  by Junichi Honda and ENRI Surveillance Group

Electronic Navigation Research Institute (ENRI) has been investigating a Multilateration (MLAT) system employing a Radio-over-Fiber (RoF) technology for airport surface surveillance. RoF enables transmission of RF signals from a remote receiver station to a central site. This architecture using RoF would have several advantages over existing airport surface MLAT systems. This paper presents a draft of change proposal of Doc 9924 regarding a new common clock architecture.


ICAO Surveillance Panel (SP)
Eighth meeting of the Airborne Surveillance Working Group (SP-AIRB/9)
1 April 2020
Status of IM related research activities in Japan
  by Eri Itoh

This information paper provides the current research results on the GIM study in Japan, targeting aircraft arrival traffic at Tokyo International Airport. This paper is the update version of SP-AIRB/8-IP05.


EUROCAE WG-107
11 March 2020
DME SIS Error on RNAV Route
  by Atsushi Kezuka, Atsushi Kambayashi

This presentation provides analysis results of DME Signal-in-space errors on a RNAV STAR route at a high traffic density airport in Japan.


EUROCAE WG-107
11 March 2020
Difference of Integrity risk between OR and AND Logic in system using dual monitor
  by Atsushi Kezuka, Toyohachi Yokota (JRANSA)

This presentation provides an analysis result of Integrity Risk difference between OR and AND logic in a system composed of DME transponder and dual monitor.


ICAO Surveillance Panel (SP) Aeronautical Surveillance Working Group (ASWG)
Technical Subgroup Meeting 10 (TSG/10)
Florida, 3 - 7 February 2020
Update of Surveillance Material In Doc 9830 A-SMGCS Manual
  by Hiromi Miyazaki, Ori Shloosh(IATAS)

This working paper provides a status report on updating contents related to surveillance in Doc 9830 Advanced Surface Movement Guidance and Control Systems (A-SMGCS) Manual. This report has been prepared in response to Action Item ASWG/7-20. The material in this report was prepared in response to Action Item ASWG/10-15.


ICAO Surveillance Panel (SP) Aeronautical Surveillance Working Group (ASWG)
Technical Subgroup Meeting 10 (TSG/10)
Florida, 3 - 7 February 2020
Example of Position Error for WAM and ADS-B
  by Junichi Naganawa, Hiromi Miyazaki, Takuya Otsuyama

This paper provides position error of WAM and ADS-B evaluated in a flight experiment using a prototype WAM/ADS-B system and an experimental aircraft.


ICAO Surveillance Panel (SP) Aeronautical Surveillance Working Group (ASWG)
Technical Subgroup Meeting 10 (TSG/10)
Florida, 3 - 7 February 2020
Draft Doc 9924 CP for a New Common Clock Architecture
  by Junichi Honda and ENRI Surveillance Group

Electronic Navigation Research Institute (ENRI) has been investigating a Multilateration (MLAT) system employing a Radio-over-Fiber (RoF) technology for airport surface surveillance. RoF enables transmission of RF signals from a remote receiver station to a central site. This architecture using RoF would have several advantages over existing airport surface MLAT systems. This paper presents a draft of change proposal of Doc 9924 regarding a new common clock architecture. The material in this report was prepared in response to Action Item ASWG/10-23.


ICAO Surveillance Panel (SP) Aeronautical Surveillance Working Group (ASWG)
Technical Subgroup Meeting 10 (TSG/10)
Florida, 3 - 7 February 2020
Analysis of the 1030-1090 Signal Environment in Japan
  by Takuya Otsuyama, Junichi Honda, Hiromi Miyazaki

It is necessary to monitor the usage of the 1030/1090 RF network to properly regulate its use. But monitoring of the 1030/1090 MHz frequency band is complex. Therefore, TSG had developed the RF Measurement Guidance Material to support RF measurements. This working paper provides measurement result examples of 1030/1090 MHz signal environment in Japan conducted by airborne measurements. The material in this report was prepared in response to Action Item ASWG/10-27.


◆ 2019

Performance Benchmarking Work Group
Brussels, 4 December 2019
Additional-Time in Terminal Airspace (KPI08)
  by Megumi Oka

The joint work on operational air navigation service performance of the Civil Aviation Authority Singapore (CAAS), Federal Aviation Administration (FAA), AEROTHAI, JCAB and EUROCONTROL is being conducted. The joint work provides a demonstrated implementation for the key performance indicators. In order to capture tactical arrival control measures (sequencing, flow integration, speed control, spacing, stretching, etc.), an Arrival Sequencing and Metering Area (ASMA) is defined; the “additional” time is used as the indicator for the level of inefficiency in the area. In this study, the computation method of the additional time based on the entry angle bins in the ASMA is studied and compared with other method.


ICAO Separation and Airspace Safety Panel (SASP) 33rd Working Group Meeting
Montreal, 12 - 22 November 2019
Calculation of collision risk for reduced time-based separation minima
  by Ryota Mori

This paper considers the possibility to introduce 10 minutes time-based separation without Mach number technique. Several collision risk models are applied and compared to estimate the risk of collision.


Drone Enable/3 ICAO’s UAS Industry Symposium
Montreal, 12 November 2019
Altitude Reference System for Small Unmanned Aircraft Systems to Resolve Discrepancy of Altitude with Manned Aircraft – Fight Test and Recommendation –
  by Daichi Toratani

It is essential for separation management between manned aircraft and drones that both manned aircraft and drone use a common altitude reference system. This presentation shows results of flight tests comparing measured altitudes between a manned aircraft and drone. The altitude discrepancy between manned aircraft drone is clearly showed, and the altitude correction method for drones is proposed.


ICAO Air Traffic Management Requirements and Performance Panel (ATMRPP)
Thirty Eighth Working Group Meeting
Montreal, 4 - 8 November 2019
Flight Data Publication Service Use Cases and Requirements
  by Mark Brown, Kim Brevik(EUROCONTROL), Diana Liang(FAA)

This working paper is in response to action item WG37/03 “Develop use cases for the FF-ICE/R1 Publication Service and draft initial set of requirements”. The characteristics of the Flight Data Publication Service that distinguish it from the other services are elaborated, and potential improvements to the FF-ICE/R1 draft provisions an guidance material are identified. A number of initial use cases are also identified, but further analysis is required before more concrete requirements can be proposed. Action by the ATMRPP-WG/38 is in paragraph 3.


ICAO avigation Systems Panel (NSP) Joint Working Groups – Fifth Meeting
Montreal, 15 - 24 October 2019
Anomalous propagation of VOR/ILS LOC signals by the sporadic E layer
  by Susumu Saito, Keisuke Hosokawa(The University of Electro-Communications), Jun Sakai(The University of Electro-Communications), Ichiro Tomizawa(The University of Electro-Communications)

This paper presents the results of statistical analysis of the anomalous propagation of VHF aeronautical navigation signals by the sporadic-E layer.


ICAO Navigation Systems Panel (NSP) Joint Working Groups – Fifth Meeting
Montreal, 15 - 24 October 2019
Considerations on space weather information service for GNSS
  by Susumu Saito

This information provides initial considerations on space weather information service for GNSS and potential inclusion for ICAO Doc9849 (GNSS manual).


ICAO Navigation Systems Panel (NSP) Joint Working Groups – Fifth Meeting
Montreal, 15 - 24 October 2019
Update on GBAS research and development in Japan
  by Susumu Saito, Takayuki Yoshihara, Maho Nakamura

This information paper reports on the research and development activities related to GBAS in Japan.


EUROCAE WG-107
Brussels, 1 - 3 October 2019
Worst Case Analysis of DME Tropospheric Propagation Delay
  by Atsushi Kezuka, Atsushi Kambayashi, Takayuki Yoshihara, Naoki Fujii

This presentation provides the amount of DME error due to tropospheric propagation delay by using the ray-tracing method. The analyses were conducted at 37 cities in Europe, Asia, North and South America.


EUROCAE WG-107
Brussels, 1 - 3 October 2019
DME SIS Accuracy in Japan
  by Atsushi Kezuka

This presentation provides DME multipath error data of DME ground facilities in Japan in the discussion of how to deal with multipath for the integrity assurance.


ICAO Instrument Flight Procedure Panel (IFPP) – Meeting of the Working Group 5 (Collision Risk Model)
Montreal, 9 - 20 September 2019
CRM and OAS program
  by Ryota Mori

This paper discusses several minor concerns regarding the current CRM program, and proposes a replacement of OAS software in the future.


ICAO Surveillance Panel (SP) Tenth meeting of the Aeronautical Surveillance Working Group (SP-ASWG/10)
Montreal, 9 - 13 September 2019
Update of Surveillance Material in Doc 9830 A-SMGCS Manual
  by Ori Shloosh(IATAS), Hiromi Miyazaki

This working paper provides a status report on updating contents related to surveillance in Doc 9830 Advanced Surface Movement Guidance and Control Systems (A-SMGCS) Manual. This report has been prepared in response to Action Item ASWG/7-20.


ICAO Surveillance Panel – Tenth meeting of the Aeronautical Surveillance Working Group (SP-ASWG/10)
Montreal, 9 - 13 September 2019
1030 MHz Signal Environment Based on RF Measurements GM
  by Takuya Otsuyama, Hiromi Miyazaki

It is necessary to monitor the usage of the 1030/1090 RF network to properly regulate its use. But monitoring of the 1030/1090 MHz frequency band is complex. Therefore, TSG had developed the RF Measurement Guidance Material to support RF measurements. This working paper provides measurement result examples of 1030 MHz signal environment conducted by airborne measurements.


ICAO Surveillance Panel – Eighth meeting of the Airborne Surveillance Working Group (SP-AIRB/8)
Montreal, 4 - 6 September 2019
Designing Ground-based Interval Management (GIM) for aircraft arrival traffic at Tokyo International Airport
  by Eri Itoh, Takuya Otsuyama

This information paper provides the current research results on the GIM study in Japan, targeting aircraft arrival traffic at Tokyo International Airport.


ICAO Twenty-third Meeting of the Communications/ Navigation and Surveillance Sub-group (CNS SG/23) of APANPIRG
Bangkok, 2 - 6 September 2019
Anomalous propagation of VOR/ILS by sporadic E layer
  by Susumu Saito

This paper presents the results of statistical analysis of the anomalous propagation of VHF aeronautical navigation signals by the sporadic-E layer.


ICAO Twenty-third Meeting of the Communications/ Navigation and Surveillance Sub-group (CNS SG/23) of APANPIRG
Bangkok, 2 - 6 September 2019
Update on the GBAS ionosphere threat model improvement in Japan
  by Susumu Saito, Maho Nakamura, Takayuki Yoshihara

This paper updates information on the results of ionospheric delay gradient analysis in Japan. The focus of the analysis is to characterize the ionospheric delay gradient in the transition region from low to mid latitude region.


EUROCAE WG-114 (AI)
Saint-Denis, 27 - 28 August 2019
EUROCAE WG-114 Kick-Off Meeting Presentation
  by Satoru Inoue, Naruto Yonemoto

powerpoint


MLAT Technical cooperation meeting with Vietnam
Vietnam, 19 July 2019
Update Status of SMGCS Standards
  by Hiromi Miyazaki

powerpoint


ICAO Surveillance Panel (SP) Aeronautical Surveillance Working Group (ASWG) – Technical Sub Group Meeting 09
Paris, 24 - 28 June 2019
Update of Surveillance Material in Doc 9830 A-SMGCS Manual
  by Ori Shloosh(IATAS), Hiromi Miyazaki

This working paper provides a status report on updating contents related to surveillance in Doc 9830 Advanced Surface Movement Guidance and Control Systems (A-SMGCS) Manual. This report has been prepared in response to Action Item ASWG/7-20.


ICAO Surveillance Panel (SP) Aeronautical Surveillance Working Group (ASWG)
– Technical Sub Group Meeting 09
Paris, 24 - 28 June 2019
Status Update on 1030 MHz Signal Environment Evaluation Based on RF Measurements Guidance Material
  by Takuya Ostuyama, Hiromi Miyazaki

It is necessary to monitor the usage of the 1030/1090 RF network to properly regulate its use. But monitoring of the 1030/1090 MHz frequency band is complex. Therefore, TSG had developed the RF Measurement Guidance Material to support RF measurements. This working paper provides measurement result examples of 1030 MHz signal environment conducted by airborne measurements.


ICAO Performance Beachmarking Working Group
Bangkok, 4 - 7 June 2019
Additional-time in terminal airspace (KP108)
  by Megumi Oka

The joint work on operational air navigation service performance of the Civil Aviation Authority Singapore (CAAS), Federal Aviation Administration (FAA), AEROTHAI, JCAB and EUROCONTROL is being conducted. The joint work provides a demonstrated implementation for the key performance indicators. In order to capture tactical arrival control measures (sequencing, flow integration, speed control, spacing, stretching, etc.), an Arrival Sequencing and Metering Area (ASMA) is defined; the “additional” time is used as the indicator for the level of inefficiency in the area. This presentation material shows the computation results of the additional time in the year 2018.


ICAO WG Navigation Systems Panel (NSP) Joint Working Groups – Fourth Meeting
Montréal, 2 - 16 April 2019
Update on MC/MF GBAS development in Japan
  by Susumu Saito, Takauki Yoshihara

This paper shares information on the status of development and evaluation of MC/MF GBAS in Japan.


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