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      • FTTH 시장 분석 및 수요 예측

        김관,유제훈,Kim, G.J.,Yu, J.H. 한국전자통신연구원 2007 전자통신동향분석 Vol.22 No.1

        본 고에서는 국내 및 세계 주요국의 FTTH 제품 개발 동향, 시장 적용 현황, FTTH 기술의 망 적용시 고려사항 등에 대해 기술하였다. 또한 향후 전개될 FTTH 시장의 매출규모를 과거 초고속 인터넷 서비스 시장의 성장 속도 분석 등을 통해 예측하였고, 아울러 FTTH 연구개발 사업수행을 통해 향후 기대되는 경제적 성과를 분석하였다.

      • KCI등재
      • KCI등재
      • KCI등재

        치료와 재활로서의 음악의 흐름

        김관 한국재활심리학회 1998 재활심리연구 Vol.5 No.1

        It has been believed that there existed sounds before the human being's coming into presence on this planet and that sounds are the elements of the universe wish take some forms of language. As the human history passed by, music has been used as a means of promoting men's health. Therefore music has come to be wherever men live. The music therapy did not appear suddenly in the twentieth century, but the basic ideas of applying music therapy to some areas of human life can be traced back to the old primitive society. Scientific approach of evaluating the music therapy is relatively new field and still much more is expected to be explored in many aspected in the future. Especially today the role of music therapy is required more than ever before because use huge structures and systems of the highly developed contemporary industrial society have caused human being's simplification and isolation, and thus led to serious reality of disregarding and/or sacrification and human nature; the trend is that increased number of people reports of their physical and emotional disturbance; and the increase of aging population due to the medial development calls for many welfare programs for the old people. The use music in connection with healing practices goes back to the shaman of primitive trives. The Greeks were among the first to advocate a controlled use of music to promote health and high moral standards. From the time of the Greeks to the dawn of the scientific age in medicine in the late 18th century, music was incorporated in the general theory and philosophy of medical treatment and was often prescribed as a cure for various physical and psychological ailments. During the late 18th and 19th centuries, however, the fields of music and medicine began to diverge. As music developed as a performing art and medicine become a specialized science, the use of music was no longer a part and medicine treatment philosophy. In the late 19th century, music and medicine again begin to converge as scientific principles began to be applied to the study the therapeutic effects. A renewed interest in the use of music in hospitals was precipitated by the advent of the phonograph around the turn of the century. During the War years, music therapy began be used with increasing frequency in the treatment of wounded veterans. As music therapy developed into organized profession during the latter half of the 20th century, the therapeutic use of music came to be applied to clients having a wide variety of disorders. In recent years, the western worlds has also taken an, and consciousness expansion. Although some organization relations related to the use of music in hospitals existed in the early 20th century, it was the increased use of music in Veterans Administration Hospitals during world war II that provided the major impetus for the formation of a national professional music therapy organization in the United States. In the 1940s, Various committees of professional associations helped establish communication among those who worker with the therapeutic uses of music. The National Association for Music Therapy(NAMT) was founded in 1950 for the purpose of developing the therapeutic use of music in hospital, educational, and community setting and advancing research, education, and training in the profession of music therapy. In 1971, a second national organization, the American Association for Music Therapy(AAMT), was established as New York University in New York City. These two music therapy organizations will be unified by 1988, Jan, and named American Music Therapy Association(AMTA). Professional organizations for music therapy have also developed in many other countries, including England, France, Canada, Norway, Neverland, Scandinavia, German, Scotland, Yugoslavia, Belgium, South America, Argentina, Poland, Sweden, Japan and Korea and few countries. In this study I tried to review and analyze as much diachronic materials about music therapy as possible. I found out that, in our country was founded Korea Music Therapy Association in 29th. Nov. 1996. Also, established the Department of music therapy in Sukmyueng Women University in Seoul, Korea. Considering the efficacy of music therapy and therapeutic activities in wastern countries along with the historical records presented here in, I hope that this study will make some contributions to materializing "training program of music therapies" and their certified wherever their services are more required on future in our country.

      • KCI우수등재
      • KCI등재

        퍼베이시브 로밍 서비스를 위한 보안 관리 프레임워크

        김관연(Gwanyeon Kim),황지온(Zion Hwang),김용(Yong Kim),엄윤식(Yoonsik Uhm),박세현(Sehyun Park) 한국정보보호학회 2007 정보보호학회논문지 Vol.17 No.4

        유비쿼터스 및 자동화된 컴퓨팅 환경은 개방적이고 동적이어야 하며, 끊김 없는(seamless) 소프트웨어와 시스템 구조의 연동을 통한 일반적인 무선 접근으로 사용자에게 다가가는 퍼베이시브 서비스를 제공해야한다. 하지만 다양한 네트워크에서 모든 이동 기기들 간에 미리 정의된 보안 인증을 포함한 로밍 서비스를 제동하기는 매우 복잡하고 어렵다. 더욱이 퍼베이시브 서비스 환경에서 끊김 없는 통신 서비스를 제공하기 위해, 다양한 무선 사업자간에 로밍 협정을 세팅하거나 스마트카드 기반의 효율적인 사용자 프로파일 모델링 연구나 다양한 종류의 사용자 인터페이스를 이용하여 자동화된 사용자 인증 시스템을 위한 보안 방안에 관한 연구는 많지 않다. 사용자에게 다가가는 네트워크 도메인 간의 퍼베이시브 보안 서비스를 포함한 상호 로밍이 가능한 로밍 코디네이터 기반의 보안 관리 프레임워크를 제안한다. USIM(Universal Subscriber Identity Module Card)을 이용한 상용 이동 통신은 하나의 서비스 도메인에서만 가능하지만 본 논문에서 제안한 로밍 코디네이터 (Roaming Coordinator)는 PWLAN(Public Wireless Local Area Network)이나 3G 이동통신 그리고 WMAN(Wireless Metropolitan Area Network) 등의 다른 네트워크 도메인에서의 보안 서비스를 보다 안전하고 쉽게 제공할 수 있다. The ubiquitous and autonomic computing environments is open and dynamic providing the universal wireless access through seamless integration of software and system architectures. The ubiquitous computing have to offer the user-centric pervasive services according to the wireless access. Therefore the roaming services with the predefined security associations among all of the mobile devices in various networks is especially complex and difficult. Furthermore, there has been little study of security coordination for realistic autonomic system capable of authenticating users with different kinds of user interfaces, efficient context modeling with user profiles on Smart Cards, and providing pervasive access service by setting roaming agreements with a variety of wireless network operators. This paper proposes a Roaming Coordinator-based security management framework that supports the capability of interoperator roaming with the pervasive security services among the push service based network domains. Compared to traditional mobile systems in which a Universal Subscriber Identity Module(USIM) is dedicated to oneservice domain only, our proposed system with Roaming Coordinator is more open, secure, and easy to update for securityservices throughout the different network domains such as public wireless local area networks (PWLANs), 3G cellular networks and wireless metropolitan area networks (WMANs).

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