• 제목/요약/키워드: time and resource management

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이종 무선망에서 다중 멀티미디어 서비스 지원을 위한 자원 운용 및 할당 알고리즘 (A Resource Management and Allocation Scheme for Multiple Multimedia Service in Heterogeneous Networks)

  • 이종찬;이문호
    • 한국컴퓨터정보학회논문지
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    • 제17권1호
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    • pp.141-149
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    • 2012
  • 본 연구에서는 이종 무선융합망에서 실시간 서비스 품질의 지속성을 보장하면서도 자원의 이용도를 극대화하기 위한 자원운영 방안인 PRA(Priority Resource Allocation)를 제안한다. PRA에서는 예약된 자원을 사용하여 실시간 서비스 데이터를 우선적으로 전송하되 그 전송률이 감소하면 비실시간 서비스가 여분의 대역폭을 일시적으로 이용한다. 실시간 세션의 가변 전송률에 근거한 통계적 다중화 기법을 통하여 PRA 방식이 실시간 서비스의 품질을 만족시키면서도 동시에 접속 가능한 가입자 수를 최대화할 수 있음을 시뮬레이션에 의해 확인한다.

농가 가족원의 생활시간 분석 (An Analysis of Rural Families' Time-Use)

  • 이기영;조희금;김외숙;이연숙;이승미;홍두승;조흥식;김유경;김주희
    • 가정과삶의질연구
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    • 제24권5호
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    • pp.205-222
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    • 2006
  • The purpose of this study was to analyze time-use of rural families. The data for 9l4 persons or 400 farm households in eight provinces were collected using time diary. The results were as follows. 1) The time-use of the farming season were different from that of the off-filming season in rural area. 2) In the case of farm wort the working hours of husband were significantly longer than those of wife during the farming and of-filming season. In contrast the working hours of wife for housekeeping were significantly longer than those of husband during both seasons. 3) The time spent of work by rural adults is much longer than average work hours of adults in general during the farming season. And the rural adults spend less time in leisure compared to the adults in general during the farming season.

지식정보화사회 조성을 위한 주부의 인적자원개발 교육프로그램에 관한 연구* : 가정과 사회의 정보격차 해소와 사회적 통합을 위하여 (An Education Program for Housewives' Human Resource Development Toward the Knowledge Informatization Society. For the Social Integration and a Solution of Digital Divide Between Family and Society)

  • 이기영;이승미;송혜림
    • 가정과삶의질연구
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    • 제21권1호
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    • pp.129-143
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    • 2003
  • The purpose of this study is to provide the contents and effective methods of educational program for human resource development focused on the full-time housewives. For this purpose the case interviewed with 24 professionals and management leaders of women education field are performed and 445 questionares from full time housewives who participate in at least one education program are analyzed. The findings of this study are followed. 1. The most preferred programs are sports/health program(28.8%), leisure program(26.5%), household income management program(15.9%), culture/arts program(15.2%) in percentage order. And the first preferred motivation of participation in the programs is the self development(38.4%). 2. The positive effect of program is founded more with participants in family oriented program and society oriented program than in individual oriented program. And the satisfaction degree of participants in family oriented program is higher than in individual/society oriented program. 3. The degree of demands for Program management and program characteristics is higher than the demands for program installations and program supplying methods. 4. In the area of effectiveness methods the demands for program systematization according to program level are most referred.

ARMA 모델을 이용한 모바일 셀룰러망의 예측자원 할당기법 (Predictive Resource Allocation Scheme based on ARMA model in Mobile Cellular Networks)

  • 이진이
    • 한국항행학회논문지
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    • 제11권3호
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    • pp.252-258
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    • 2007
  • 무선모바일 통신망에서는 사용자의 이동성보장 기술과 사용자가 요구하는 서비스품질(QoS)을 만족시키기 위한 효율적인 무선자원관리기술이 많이 연구되어 왔다. 본 연구에서는 시계열 예측기법(Time series prediction) 인 ARMA(Auto Regressive Moving Average) 모델을 이용하여 사용자가 요구하는 자원의 양을 예측하여 동적으로 자원을 할당함으로써 사용자의 이동성에 따른 QoS를 보장할 수 있는 자원할당방법을 제안한다. 제안한 방법은 ARMA 예측모델을 사용하여 이전에 핸드오프연결이 사용한 채널 수를 기초로 앞으로 필요로 하는 채널 수를 예측하여 예약함으로써 원하는 핸드오프 손실률에서 서비스가 이루어지도록 한다. 시뮬레이션을 통하여 기존의 RCS(Reserved channel scheme) 방법과 비교하여 핸드오프 연결의 손실률과 자원의 이용률에서 우수함을 보인다.

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생활과학에서의 여가연구에 대한 분석적 고찰 (Leisure Study in Human Ecology : An Analytic Review)

  • 김유경;기은광;이기영
    • 가족자원경영과 정책
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    • 제6권1호
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    • pp.17-33
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    • 2002
  • The purpose of this study is to analyze leisure studies in human ecology of Korea and to discuss them. For this analysis, the articles which were published on the Journal of Korean Home Economics Association, the Journal of Korean Home Management Association, and the Journal of Korean Family Resource Management Association were investigated by theme, research subject, and research method. Leisure studies in human ecology began with the survey of time-use or activity patterns and they were focused on the housewives. Since the latter half of the 1990' s varied groups -especially the old- are subject to sample, and the shared leisure is studied, varied themes are studied. The research method were deflected to the survey using questionnaire all throughout the period. For the future study, we suggest that the general theories developed and the appropriate research method applied.

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경수로계통설계 표준 Logic Network의 개발 (Development of standard logic network for PWR NSSS System design)

  • 박준원;이병령;이판권;이해준;송태길;김동희;최현호
    • 한국경영과학회:학술대회논문집
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    • 한국경영과학회 1993년도 추계학술대회발표논문집; 서강대학교, 서울; 25 Sep. 1993
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    • pp.212-226
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    • 1993
  • The self-reliance of NSSS System Design is required not only the design capability to perform the system design but also the management capability to control the resource and time for the Project effectively. The purpose of this study is to develop the simplified standard Logic Network that is scheduled on the time and resource using the PERT/CPM method. That is mainly focused on Ulchin 3&4 Project. We prepare the management tool of NSSS System Design project. And we can utilize it as a reference tool for the similar project which are complex and long term in a next project.

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생활설계에 관한 연구동향 분석: 성과와 과제 (생활설계적 관점을 중심으로) (Research Trends on Family life Planning Studies)

  • 최보아
    • 가족자원경영과 정책
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    • 제14권2호
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    • pp.79-90
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    • 2010
  • The purpose of this study is to review the research trends of family life planning in the Journal of Korean Rome Economics Association, the Journal of Korean Rome Management Association and the Journal of Korean Family Resource Management Association. For this purpose, 132 studies were analyzed according to the theory of family life planning, the state of family life planning, the diagnosis of present, the establishment of future and the practice of family life planning. At this time, we feel that it is meaningful to review the research of family life planning and to take a look at its possible future prospects. This study also provides the information necessary to implement and integrate its positive results into Family Life Education.

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공공기관 연구시설장비 효율성 향상을 위한 온라인 일정계획 시스템 개발 (Developing an On-line Scheduling System for Increasing Effectiveness of Public Research Facility)

  • 이채윤;김기홍;신승준
    • 대한안전경영과학회지
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    • 제19권1호
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    • pp.181-189
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    • 2017
  • The systematic management of technology infrastructure increasingly becomes critical as it represents the driving power for creating competitive advantage of nations and enterprises. In this sense, public facility and equipment, which is one major asset of technology infrastructure, should be managed effectively, systematically and efficiently to increase its overall equipment effectiveness. However, the manual and off-line communication was the unique way to communicate between the suppliers who provide facilities in the public sector and the customers who utilize the facilities in the industrial sector. This communication way caused invisibility of available usage time and increase of idle time, thereby decreasing the equipment effectiveness. This paper presents an web-based scheduling system that enables real-time collaboration and information sharing for increasing the equipment effectiveness. The designed system performs scheduling, facility management, order management and customer relationship management in an on-line platform, and carries out the processing and storing of relevant information in an integrated database. The paper includes a development approach to identify business process models and standardized system models by using object-modeling technique. The deliverable of the present work will contribute to increasing the equipment effectiveness by enhancing visibility, transparency and predictability by means of the integration with a legacy Enterprise Resource Planning.

Human Resource Management in Nepal: A Delphi Study

  • Gurung, Arun;Choi, Myungweon
    • Asian Journal of Business Environment
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    • 제9권1호
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    • pp.5-12
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    • 2019
  • Purpose - This study aims to explore and describe human resource management (HRM) in Nepalese organizations. Specifically, this study addresses three research questions: (a) what are the key human resource (HR) practices in Nepalese organizations?; (b) what are the major tasks and roles of HR departments in Nepalese organizations?; and (c) how is the status of the HR function expected to change within Nepalese organizations? Research design, data, and methodology - For this purpose, we implemented the Delphi method and developed an informed consensus among selected experts concerning the research questions. Results - The findings illustrate that organizations in Nepal adopt a wide range of HR practices commonly used in Western and developed countries. Simultaneously, some HR practices specific to the Nepalese context are also discovered. The experts' consensus on the future of HRM confirms that the evolution of the HR function to a strategic partner of management is evident in Nepalese organizations. Conclusions - Domestic as well as foreign organizations in Nepal try to create HRM systems that place them on a par with global companies. At the same time, they incorporate cultural features specific to Nepal to compete effectively in local markets. While there are few empirical studies describing HR practices in Nepal, this study contributes to broadening our understanding of the current and future status of HRM in Nepal.

USER MOBILITY AND CHANNEL HOLDING TIME MODELING IN MICROCELLULAR SYSTEMS

  • Kim, Sehun;Lee, Ki-Dong
    • 한국경영과학회:학술대회논문집
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    • 한국경영과학회 1998년도 추계학술대회 논문집
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    • pp.186-189
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    • 1998
  • In this paper, we provide a mathematical formulation to describe the random mobility of users in cellular radio systems. With this, we can also study tile cell sojourn time (CST) distribution as well as the channel holding time (CHT) distribution. The study on user mobility enables to improve the resource management in cellular radio systems. We provide a versatile analysis tool that improves the limit of simplified analyses.

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