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중국 건설산업의 BIM 데이터 활용 및 시각화에 대한 사례 연구
이주남,김인한,최중식,JINJIN 한국CDE학회 2019 한국CDE학회 논문집 Vol.24 No.4
VR and AR are being actively utilized as interest in visualization systems in the construction sector is growing. The roles of VR and AR in Chinese architecture vary widely. Information collected by drones is utilized in BIM design and is provided as a visualization system (VR, AR). The Yangpu River project will seek to use existing facilities in urban planning to regenerate new cities, and also create a complex cultural space to build bridges and create smart cities. This paper analyzes the examples of BIM and visualization system applied in the early stages of the Yangfu River project, and studies the present BIM situation and technical level of China.
빠른 핸드오프를 지원하는 PKI 기반의 무선랜 인증기법 설계
이주남,이구연 강원대학교 정보통신연구소 2003 정보통신논문지 Vol.7 No.-
Wireless LAN has the advantage of extension, flexibility, and easy of installation and maintenance. However it is vulnerable to security attacks. Public Key Infrastructure(PKI) is a good solution offering security function. to wireless LAN PKI offers high security, but it able generates high overheads such as CRL search and certificate verification. For the fast handoff, the overheads should be minimized. In this paper, we design a fast handoff authentication mechanism using PKI in wireless LAN and analyze the performance of the mechanism.