• Journal of Satellite, Information and Communications
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• v.6 no.2
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• pp.112-116
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• 2011

Effect analysis tool for space infrastructure has a role to give essential information which is needed to perform research systematically as effect analysis for satellites on earth orbit due to solar burst and statistical analysis for deriving key factor which is occurred anomalies to satellite. And retrieval function which is able to search domestic and foreign research data such as paper, report, journal and book related to satellite anomaly is also included. So this tool will be provided research environment for effect analysis from space environment to space infrastructure of earth orbit satellite. In this paper, it is shown design result for effect analysis for space infrastructure including DB design.

• Journal of Advanced Navigation Technology
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• v.22 no.6
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• pp.591-601
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• 2018

This paper discusses methods to effectively operates and evaluates an infrastructure system for lane-level positioning based on satellite navigation. The lane-level positioning infrastructure provides correction information on range measurements with integrity information on the correction to a user with a single frequency (cheap) satellite navigation receiver in order to perform lane-level positioning and integrity monitoring on the position estimate. The architecture and configuration of the lane-level positioning system are described from the systematic level in order to provide a comprehensive insight of the system. The operation/evaluation system for the integrated infrastructure is then presented. The evaluation results of the real implemented system are provided. Based on the results, we discuss requirements to increase the system stability from the operation perspective.

• The Optical Journal
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• s.175
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• pp.41-49
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• 2019

• Journal of Scientific & Technological Knowledge Infrastructure
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• s.4
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• pp.144-147
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• 2001

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2015.10a
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• pp.119-120
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• 2015

강대국들의 위성항법시스템 구축을 의식한 중국도 2000년 초 우주 인프라 구축을 위한 국가정책 단행하였다. 따라서 중국의 COMPASS 위성항법시스템이 등장하게 되었으며 최종 개발 완료 시기가 2020년으로 예고 된 가운데 항법서비스를 이미 시작하였다. 본 논문에서는 중국의 위성항법시스템에 대한 체계적 연구 일환으로 COMPASS 시스템 개발 및 추진 계획을 분석하고 향후 우리의 나아갈 방향을 제시하고자 한다.

• Journal of Scientific & Technological Knowledge Infrastructure
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• s.12
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• pp.46-51
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• 2003

슈퍼컴퓨팅인프라구축사업의 필요성은 슈퍼컴퓨터가 엄밀한 정확도를 요구하는 초미세 반도체 설계, 신물질 설계 및 항공우주 산업분야로부터 거대한 기상정보 예측 등 다양한 첨단과학 분야의 연구개발에 필수 장비라는 사실에서 비롯된다. 세계 각국은 슈퍼컴퓨터를 과학기술 발전과 국가 경쟁력 확보의 전략요소로 인식하여, 슈퍼컴퓨팅, 네트워킹, 첨단 응용 및 가시화장비 등을 상호 연계한 국가(또는 지역별) 슈퍼컴퓨팅 인프라 구축을 강화하고 있다. 미국은 1990년 초부터 HPCC (고성능 컴퓨팅 및 통신) 프로그램에 매년 10억불 규모의 예산을 지속적으로 투자하여 왔다.

• Journal of Advanced Navigation Technology
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• v.22 no.6
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• pp.577-584
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• 2018

GNSS based transport infrastructure cluster is to broadcast satellite navigation correction information and integrity information capable of precise positioning for land transport users. This makes it possible to do lane-level positioning reliably. However, in order to provide the lane-level positioning and correction information service nationwide, new station sites selection and to build GNSS stations have a heavy cost and a burden for a considerable period of time. In this paper, we propose the cluster design criteria and national-wide network-based precise positioning for land transportation (NETPPI-LT) cluster design for a cluster-based precise positioning. Furthermore, it is analyzed the precise positioning pre-performance of this cluster design based on the spatial error and verified its suitability as the precise positioning pre-performance of the cluster design.

• The Korean Journal of Air & Space Law and Policy
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• v.20 no.2
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• pp.293-306
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• 2005

In order to bridge the digital divide issues in the Asia Pacific region, Japan initiated the Asia Broadband Program, during implementing E-Japan and U-Japan Plans with collaboration among Asia Pacific Counties. This paper describes first joint experiments that were undertaken in Japan, Singapore and China. Then this paper also describes Japanese efforts to build space infrastructure for development of ICT Society in the Asia Pacific region for further international cooperation to bridge the digital divide Article 1, para. 1, of the Outer Space Treaty of 1967, calls for exploration and use of outer space to be carried out for the benefit and in the interests of all countries irrespective of their degree of economic or scientific development. The augmentation of common benefit from space communication could contribute to bridge the digital divide issues in developing countries in Asia Pacific region. Accordingly, space- infrastructure building would be very important to implement common benefit among countries concerned through international cooperation and collaboration

• Journal of Scientific & Technological Knowledge Infrastructure
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• s.8
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• pp.26-35
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• 2002

초기 컴퓨터는 주로 원자핵물리와 관련된 계산에 사용되었으나 곧바로 컴퓨터의 도움을 받아 물리 문제를 해결하고자 하는 방법은 물리 전 분야에서 광범위하게 적용되었다. 물질의 가장 작은 요소를 찾고자하는 소립자물리학에서부터, 물질의 성질을 규명하는 응집물질물리, 나아가서 거대 우주의 구조를 밝히고자 하는 우주론에 이르기까지 컴퓨터의 사용이 확장되고 있다.

• Satellite Communications and Space Industry
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• v.9 no.2 s.22
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• pp.121-125
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• 2001

21세기 디지털경제의 핵심인프라로서 정보통신분야가 자리매김되고 있다. 우리나라 정보통신 인재양성과 나아가 국가 기술경쟁력의 우위확보에 매진하고 있는 한국정보통신대학원대학교를 방문하여 대학의 현황 및 중장기 발전계획 등에 대하여 취재한 바를 소개한다.