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배중원(Joong-Won Bae),김현경(Hyoung-Kyoung Kim),김인규(In-Kyu Kim),김태식(Tae-Sik Kim) 한국항공우주연구원 2008 항공우주기술 Vol.7 No.1
VDL 모드 2 시스템은 초단파대역 디지털 데이터링크 기술의 일종으로 ISO 개방형시스템 구조에 기반한 항공종합통신망의 공대지 서브네트워크 기술로 개발되었다. VDL 모드 2 기술은 조종사 관제사간 데이터링크통신(CPDLC), 자동종속감시(ADS) 등 다양한 항공교통서비스에 활용 가능하며, 민간항공사의 항공운용통신용으로 20년 이상 사용되어 온 ACARS 시스템을 대체할 것으로 예상된다. 본 논문에서는 이진기반 항공교통서비스 애플리케이션 구현을 위하여 AOA 프로토콜과 관련 국제규격을 적용한 VDL 모드 2 시스템 설계 및 제작 결과를 기술한다. This paper presents the result of VDL Mode 2 system design and implementation with AOA (ACARS Over AVLC) protocol based on international VDL Mode 2 specifications for the bit-oriented ATS applications. The designed VDL Mode 2 system is composed of airborne and ground subsystem. Airborne subsystem consists of VDR, CMU and Ground system consists of Ground Station and DSP. For the test of whole system, simplified CPDLC, ADS and AFN applications are implemented in test equipments.
VDL Mode 2 시스템 검증을 위한 운용시험장비 설계
배중원,김태식,이해창,Bae, Joong-won,Kim, Tae-sik,Lee, Hae-chang 항공우주시스템공학회 2008 항공우주시스템공학회지 Vol.2 No.3
VDL Mode 2 is one of air-to-ground VHF digital data link technologies. The VDL Mode 2 system is designed to be an air-to-ground subnetwork of the Aeronautical Telecommunication Network (ATN) using the AM(R)S band and it is organized according to the Open System Interconnection (OSI) model (defined by ISO). It can be used in ATS Applications especially for ATC communication such as CPDLC and ADS as well. And It is expected VDL Mode 2 replaces ACARS(Aircraft Communications Addressing and Reporting System) which has broadly been used for over 20 years. This paper presents the result of design of operational test equipments for the validation of VDL Mode 2 system under development in KARI.
배중원(Joong-Won Bae),송재훈(Jae-Hoon Song),전향식(Hang-Sig Jeon),남기욱(Gi-Wook Nam),이한성(Han-Seong Lee) 한국항공우주연구원 2006 항공우주기술 Vol.5 No.2
위성항법시스템(GNSS)을 민간항공 분야에 활용하기 위해서는 국제민간항공기구가 정한 비행단계별 정확성(Accuracy), 무결성(integrity), 연속성(continuity), 가용성(availability) 요구조건을 만족시켜야 한다. 본 논문에서는 GBAS, GRAS 등 지상기반 위성항법보강시스템 개발에 활용될 수 있는 GNSS 원격 무결성 감시시스템을 제안하고 개발결과에 대해 기술 한다. GPS 수신기와 안테나로 구성된 위성신호 수신장치는 RS-232 to TCP/IP 프로토콜 변환장치를 통해 데이터 처리 및 분석을 수행하는 신호처리장치의 Host PC에 연결되도록 설계되었다. 이는 GPS 수신기의 설치 위치 제한을 극복하고 수신기와 안테나 간의 물리적 거리를 줄일 수 있어 CPS 수선 신호의 열화를 방지할 수 있는 방법이다. CPS 데이터를 수신하여 처리하는 신호처리장치는 실시간 운용 및 후처리 운용이 가능하며 GBAS CAT-I 급의 무결성 알고리즘과 차분보정 정보 생성을 지원하는 개발 환경을 제공한다. GNSS is a satellite-based radio navigation aid. For using it in civil air navigation area, any GNSS service should meet the requirements of accuracy, integrity, continuity and availability in each flight phase established by ICAO. In this study, a remote integrity monitoring system(RIM3) for GNSS are proposed and explained to utilize it in the design of GNSS augmentation system such as GBAS and GRAS. The RIM5 consists of signal-in-space receiving subsystem and signal processing subsystem Each as receiver is connected to Host PC by the serial to ethernet converting device which is able to convert serial port connection to LAN port connection in order to exchange information via the internet. We can overcome the siting limitation of as receiver and antenna, and reduce signal loses in the cable between as antenna and receiver. This system is providing the development environment for GBAS CAT-I system.
AOA망 환경에서 ATS 애플리케이션 구현을 위한 VDL Mode 2 데이터링크 프로토콜 설계
배중원,김현경,김인규,김태식,김동민,Bae, Joong-won,Kim, Hyoun-kyoung,Kim, In-kyu,Kim, Tae-sik,Kim, Dong-min 항공우주시스템공학회 2007 항공우주시스템공학회지 Vol.1 No.4
As one of YHF digital data link technologies, VDL Mode 2 is designed to be an air-to-ground subnetwork of the Aeronautical Telecommunication Network (ATN) based on the Open System Interconnection (OSI) architecture. VDL Mode 2 can be used in ATS Applications especially for CPDLC and ADS. And it is also expected to replace ACARS (Aircraft Communications Addressing and Reporting System) which has broadly been used in AOC for over 20 years. This paper presents the design result of VDL Mode 2 system under AOA (ACARS Over AVLC) environment for the implementation of bit-oriented ATS applications. The system is composed of airborne and ground subsystem. Airborne subsystem consists of VDR, CMU and an aircraft test equipment with CPDLC/ADS client applications for operational test and ground system consists of Ground Station which includes ground VDR and ground communication controller, simple DSP (Datalink Service Processor) and a ground test equipment with CPDLC/ADS server applications.
배중원,윤영선,최철희,정명숙,김동민,전향식,Bae, Joong-Won,Yun, Young-Sun,Choi, Chul-Hee,Jeong, Myeong-Sook,Kim, Dong-Min,Jun, Hyang-Sig 한국항공운항학회 2014 한국항공운항학회지 Vol.22 No.4
Ground-Based Augmentation System (GBAS) is providing precision approach and landing service with aircraft around airport. FAA granted System Design Approval (SDA) of SLS-4000 to Honeywell as the first GBAS category I system on September 2009. Since then, according to their own kind of approval process including System Design Approval, Facility Approval and Operational Approval, USA, Germany, Spain and Australia have approved GBAS category I system which are installed in some airports in order to provide commercial GBAS service. Recently, KARI has also installed GBAS category I system into Gimpo international airport to establish operational technology of GBAS domestically and to validate effectiveness of GBAS system in Korea. This paper introduces overseas trends and activities regarding approval process of GBAS system and presents approval process and criteria appropriate for future commercial operation of GBAS in Korea.