• 제목/요약/키워드: Communication Facility

검색결과 571건 처리시간 0.029초

부패상품 임시물류센터에 대한 위치 문제 개선 (Improvement for Facility Location Problem of Perishable Commodities)

  • 이상운
    • 한국인터넷방송통신학회논문지
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    • 제18권3호
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    • pp.209-214
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    • 2018
  • 본 논문은 부패상품의 수송시간 제약조건 $L^*$이내로 총 수송비용을 최소화시키는 물류센터 위치를 결정하는 문제의 단순한 알고리즘을 제안하였다. 이 문제에 대해 Lee[4]는 후보 물류센터 위치를 선정하고, 각 물류센터의 총 수송비용을 구한 후, 상위 2개 물류센터에 대해 최적의 위치로 이동시키는 복잡한 방법을 제안하였다. 반면에 본 논문에서는 서브트리 개념을 도입하여 $L^*$ 이내가 되는 후보 물류센터의 위치를 간단히 결정하고, 근방 개념을 도입하여 요구량이 집중화된 지역 상위 2개 지역에 대해 총 수송비용이 최소화되는 지점을 단순히 최적의 위치로 결정하였다.

A Heuristic Algorithm for Optimal Facility Placement in Mobile Edge Networks

  • Jiao, Jiping;Chen, Lingyu;Hong, Xuemin;Shi, Jianghong
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • 제11권7호
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    • pp.3329-3350
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    • 2017
  • Installing caching and computing facilities in mobile edge networks is a promising solution to cope with the challenging capacity and delay requirements imposed on future mobile communication systems. The problem of optimal facility placement in mobile edge networks has not been fully studied in the literature. This is a non-trivial problem because the mobile edge network has a unidirectional topology, making existing solutions inapplicable. This paper considers the problem of optimal placement of a fixed number of facilities in a mobile edge network with an arbitrary tree topology and an arbitrary demand distribution. A low-complexity sequential algorithm is proposed and proved to be convergent and optimal in some cases. The complexity of the algorithm is shown to be $O(H^2{\gamma})$, where H is the height of the tree and ${\gamma}$ is the number of facilities. Simulation results confirm that the proposed algorithm is effective in producing near-optimal solutions.

주요 정보통신기반시설의 평가컨설팅 방법론에 대한 연구 (A Study on the Evaluation Consulting Methodology of Important Information Communication Base Facility)

  • 이영로;조재완
    • 디지털융복합연구
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    • 제5권1호
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    • pp.55-68
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    • 2007
  • It soaks but 2001 July information communication base step law enforcement and the Enforcement Ordinance are published to follow, in order to support the establishment of evaluation and protective measure in order the vulnerability analysis against the facility of the agency which manages an important information communication base hour opinion to designate information protection specialty enterprise. As information protection specialty enterprise being revealed evacuation laboratory back 12 enterprises from information communication department become designation as the consulting enterprise and they do an enterprise activity actively. It follows in diffusion of the IT and information reconciliation level the other side where our country belongs in the world-wide first group, the research against the disfunction plan of preparation comparison the fact that law it is come negligently all actuality. The network as it will give management coat fatal effect even at obstacle occurrence hour of instant for of case and IT facility of the cyber transactions which leads, in the future there to be to corporate management, there is a possibility the stable civil official of information Facilities for communications very seeing in the portion which is important. Present condition and important propulsion contents of information communication base step law enforcement after, against a vulnerability analysis of information protection relation field and evaluation consulting methodological application situation to sleep it researches from the dissertation which it sees consequently and it does.

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스마트 폰을 이용한 시설물 유지관리 시스템 구현 (Implementation of Facility Maintenance Management System using Smart Phones)

  • 주영도
    • 한국인터넷방송통신학회논문지
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    • 제13권1호
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    • pp.191-197
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    • 2013
  • 최근 스마트폰의 폭발적인 수요 확대와 모바일 관련 기술이 발전함에 따라 오프라인 현장에서 언제 어디서나 온라인 정보를 활용하여 실시간적으로 의사소통 및 업무처리를 할 수 있는 시스템의 요구가 증대되고 있다. 본 논문은 공동주택 및 각종 시설물 하자 관리와 유지보수 관리 업무에 적용될 수 있는 안드로이드 기반의 모바일 어플리케이션을 개발하여 스마트폰을 이용한 실시간 시설물 유지관리 시스템을 구현하는 방안을 제시한다. 제안하는 시스템은 시설물 유지관리를 위하 제반 데이터의 분류 및 표준화를 통해 웹 기반 시스템과 모바일 시스템간의 상호유기적인 통합관리 시스템 개발을 목표로 한다.

전시시설 건립을 위한 CM 적용방법에 관한 연구 (A Study of CM(Construction Management) application method for exhibition facilities.)

  • 문종승;임채진
    • 한국실내디자인학회:학술대회논문집
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    • 한국실내디자인학회 2001년도 춘계학술발표대회 논문집
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    • pp.39-44
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    • 2001
  • An instance of domestic exhibition facility building case, the shortage of managing personal in construction resulted serious issue on expenses, times, quality, and safty with no satisfaction on its process and result. According to subject's speciality the CM's application methods are varied and because of its speciality, overall process of building an exhibition facility operating by its owner. This study intends to exam a application possibility of CM on exhibition facility construction to make smooth communication among varied area that following to exhibition facility construction.

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3D 레이저 스캐너를 이용한 매립장의 체적 계측을 위한 모니터링시스템 (Monitoring System to Measure the Waste Volume of Landfill Facility using 3D Laser Scanner)

  • 조성윤;이영대;류승기
    • 한국인터넷방송통신학회논문지
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    • 제13권3호
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    • pp.135-140
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    • 2013
  • 본 연구에서는 매립장의 체적관리를 위한 체적 모니터링 시스템 구현에 대한 연구에 대해 논의한다. 레이저 로봇 기술에 기반한 삼차원 스캐너를 제작하여 삼차원 물체의 표면에 대한 포인트 클라우드(point cloud)를 이용한 매립장의 쓰레기 체적 감시 시스템을 제안하였다. 이를 통해 연속적으로 매립장의 쓰레기 체적 변화를 감시할 수 있게 되었으며 매립장 수명의 가용한 쓰레기 매립 수명을 예측할 수 있게 되었다. 그리고 완성된 매립장 체적 감시 시스템은 안성시 매립장에 구현되었다.

모바일 어플리케이션을 이용한 시설물 유지관리 시스템 (Facility Maintenance Management System Using a Mobile Application)

  • 주영도
    • 한국전자통신학회논문지
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    • 제7권5호
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    • pp.1145-1151
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    • 2012
  • 최근 스마트폰 보급이 확대되고 기술이 발전함에 따라 오프라인 현장에서 언제 어디서나 온라인 정보를 활용하여 실시간 의사소통과 업무처리를 할 수 있는 시스템 요구가 증가하고 있다. 본 논문은 공동주택 및 각종 시설물 하자관리와 유지관리 업무에 적용될 수 있는 안드로이드 기반의 모바일 어플리케이션을 이용한 실시간 시설물 유지관리 시스템 모델을 제시하였다. 제안하는 시스템은 시설물 유지관리를 위한 제반 과정의 시스템화를 기초로 하여 모바일 오피스 구현이 가능한 웹/모바일 통합관리 시스템 개발을 목표로 하였다. 또한 모바일 시스템 개발 시 요구되는 기술적 보안체계도 분석하여 시스템에 구현하였다.

디지털시대의 첨단 전기 전자 정보 통신설비 장애요인과 대책 고찰 (Advanced electricity electron information communication facility obstacle factor and countermeasure investigation in digital age)

  • 강태근
    • 한국조명전기설비학회:학술대회논문집
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    • 한국조명전기설비학회 2004년도 춘계학술대회 논문집
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    • pp.110-115
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    • 2004
  • Examine merits and demerits and obstacle factor that exist to all direction of digital infratechnology that is supplied on industry whole according to development special quality of computer by development of computer and Information Technology and electricity electron information communication facility that basic impulse insulation level does not exist examined scorched earth or an interference problem factor and countermeasure of semiconductor degauss of factor and electricity electron information transmission system that is numbed or causes system down.

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도시철도 구내정보통신 기반설비 표준화 및 기능 향상방안 (Metro Telecommunication Basis Facilities Standardization and Functional Improvement Research)

  • 김문태;윤인영
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2005년도 추계학술대회 논문집
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    • pp.964-968
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    • 2005
  • The standardization of information communication is doing a Internal each other connection and each other characteristic stability operation security in objective. From the low-speed network of the subway operation beginning currently it changes with the superhigh speed digital information transmission communication service environment which is a quality service, the hazard which plans the quality improvement of the efficient communication service use which hits to here and passenger service the standardization of the technical standard which stands and the improvement which hits to an engineering standard and facility must come to accomplish. The facility which existing is been old or the enclosure communication equipments which are insufficient. it improves, establishment itexpands efficiently, like this facilities it is stabilized and it is economic and rationally use maintenance it manages with the plan for the inside and outside of the country information communication relation technical standard and engineering standard service feature improvement and future expandability and economical efficiency, the possibility of having a pliability in order to be, rational technical standard and standard it takes a triangular position, efficient characteristic security of information communication service there is a place objective which promises the rational development of course city railroad communication system with character. Function improvement of enclosure communication base equipment, against an improvement and standardization plan it described trom the prosecution which it sees.

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소규모 복합문화공간 계획에 관한 연구 (A Study on Planning of a Small-sized Complex Cultural Facility)

  • 윤성현;최정민;권오정
    • 한국주거학회:학술대회논문집
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    • 한국주거학회 2008년도 춘계학술발표대회 논문집
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    • pp.162-165
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    • 2008
  • This study aimed to provide data for planning of a small-sized complex-cultural facility for not only artists but also the common. The main interest of the study was to make them understand spirit related to the culture to each other. The data was collected from 100 artists in various art fields and 100 the common by a questionnaire and a visiting survey. The result of this study indicated that people had a little of chance to share their cultural opinions with others because there were not enough appropriate places even though they wanted it. Besides, they would like to use the place for their communication which consists of a range of their needs such as watching a play, listening to music, spending tea-time, etc.

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