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사회적 경제조직의 지역공동체 역량 형성에 관한 연구 - 생활환경개선사업을 수행하는 주민주도형 사회적 경제조직을 중심으로
여혜진,박성남,김민지 한국도시설계학회 2015 도시설계 : 한국도시설계학회지 Vol.16 No.4
The study aims to explore the present conditions of social enterprises which are conducting residential environment improvement and to study how they build community capacity. The findings are as follows. First, there are 34 such organizations in Korea. This is only 0.6% of total social enterprises and 48% of them are located on Seoul and Koyung-gi Province. Second, their main business areas vary covering raging from housing construction, housing remodelling, housing welfare projects, building energy improvement, community building, urban gardening, community cafe business, etc. The requirements of government subsidy, however, make the organizations targets for the poor than the overall community members. Third, even though they are newly established, they already show positive impacts on community recognition, public participation, and community network. In this consideration, the social enterprises which are conducting residential environmental improvement projects contribute to build the regeneration capacity of the community. 이 연구는 지역의 생활환경 문제를 개선하기 위해 주민 중심으로 조직된 사회적 경제조직이주민 주도형 사업 활성화에 기여할 수 있을 것을 전제로 사회적 경제조직의 현황 및 운영 실태를파악하고, 지역공동체 역량 형성 여건과 그 특징을 살펴보는 것이 목적이다. 분석 결과를 정리하면 첫째, 우리나라에서 생활환경개선사업을 본격적으로 수행하는 사회적 경제조직은 34개로 전체사회적 경제조직의 0.6%에 그치며, 이 중 48%가 수도권에 집중되어 있다. 둘째, 사회적 경제조직이 수행하는 생활환경개선사업은 주택건설, 주택개보수, (취약계층)집수리, 주거현물급여사업, 에너지효율개선사업, 저소득층 주거환경개선사업, 마을만들기, 텃밭/공원가꾸기, 마을카페 등 시설운영 등으로 다양하지만, 지역사회의 필요보다는 정부예산이 지원되는 취약계층 주거복지사업에 집중되어 있는 편이다. 셋째, 대부분 3~4년된 신생기업이지만 개인, 조직, 네트워크 역량 차원에서 지역사회의 인식과 참여형태의 변화, 이를 통한 조직 및 네트워크 구축이라는 차원에서는지역공동체 역량 형성의 긍정적인 성과를 보여주고 있다.
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여혜진,김광중 대한국토·도시계획학회 2008 國土計劃 Vol.43 No.1
This dissertation compares the historical development of the university-community partnership in Korea and the US. Selected universities in the US and forty-six universities in Seoul, Korea were reviewed in the context of social history, governmental policies and urban change. Boston University, Kunguk University, Dongguk University, and Hongik University were used as case studies for in-depth investigation to identify locational contexts and expansion patterns, university planning activities, university-community interactions, and legal-institutional settings. The research method employs the content analysis of university planning materials, governmental statistics' documents, media coverage, key person interviews. The findings are as follows. First, urban universities in Korea and the US have different locational contexts: though they were not much different in their original placements in undeveloped suburban fringe areas, US urban campuses were fully integrated into urban blocks in later urbanization process while those in Korea still maintain the territorial independence on their mostly hillside locations. Second, this difference explains the reason of the inward tendency of campus expansion in Korean cities vis-a-vis the outward tendency of campus expansion in US cities. However, this tendency has now been changing since the mid 1990s; the inward expansion by the infill-development before the mid 1990s has progressed into a more active underground development and a more outward expansion employing boundary development and off -campus development. These changing circumstances come from the shortage of buildable areas within the existing campus boundaries, yet the universities are in need of enormous educational facility expansion. The university-owned off-campus property development for financial purposes also comes along with this tendency. Third, the outward expansion tendency commonly has greater physical impact on morphological changes of surrounding blocks and streets, functional changes such as street beautification, traffic-parking issues, housing type, commercial-culture-entertainment land use, and economic changes such as community-building, university town. Like their American counterparts, Korean urban universities provide a rich array of community services in the area of continuing education, cultural events, healthcare and social work programs. They can provide a good foundation towards the building of a more collaborative partnership in campus-community planning. Fourth, the institutional framework of campus planning activity has been changed from the individual building permit process to planning process where campus master plan submittal, public notification and planning commission approval are required. The findings demonstrate that the concept of community development through university-community partnership has promising possibilities in Korea. The study suggests that local governing body, community and university should build up a communicative, collaborative, bottom-up, and transparent planning process. In this framework, the university can develop its role as community builder, planning initiator, developer by turning the university-community partnership into an important social asset for better community-building.
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WiBro 휴대 인터넷 시스템을 위한 자원 할당 알고리듬 비교 분석
여혜진,양주영,김정호,Yeou Hye-jin,Yang Joo-young,Kim Jeong-ho 한국통신학회 2005 韓國通信學會論文誌 Vol.30 No.6a
본 논문에서는 OFDMA, TDD 전송방식을 채택한 WiBro 시스템 표준의 resource 할당 알고리듬을 시뮬레이션을 통해 구현하였고, bandwidth efficiency를 보다 더 높이기 위한 알고리듬을 제안하였다. 제안하는 알고리듬은, 변조지수를 최대로 하여 채널 이득이 큰 subchannel부터 작은 subchannel 순서로 비트를 할당한다. 이 때 subchannel의 수를 증가시킴으로 인해 전송되어야 할 power가 증가하는데, 이 power가 available power를 넘는 순간에 할당되는 subchannel의 변조지수를 조정하여 available power를 넘지 않게 하는 방법이다. 기존의 greedy algorithm이나 WiBro 시스템과 비교하였을 때, 제안하는 알고리듬을 적용할 경우 power가 제한되어 있는 것으로 인해 사용되는 subchannel의 수가 현저히 작아져서 bandwidth efficiency 측면에서는 좋은 성능을 나타내게 한다. 하지만 channel attenuation이 큰 환경에서는 최대 throughput이 떨어지는 문제점이 발생하는데, 타 시스템에서 지원하는 만큼의 throughput을 보장하는 문제 역시 중요하기 때문에, 이를 극복하기 위해 이 경우에는 available power를 추가 할당하여 사용되는 subchannel수를 증가시켰다. 이 경우, 기존 시스템과 비슷한 throughput을 보장하면서 bandwidth 이득은 더 높게 얻을 수 있음을 확인하였다. In this paper, we implement resource allocation algorithm based on the WiBro system which including OFDMA, TDD, and we propose the algorithm in order to increase bandwidth efficiency. In this algorithm, data is allocated from the subchannel which has large channel gain to the subchannel which has small channel gain with maximum modulation order. The moment total power is more than available power, the modulation order of the latest subchannel is adjusted. The problem of decreasing of throughput in large channel attenuation environment is solved by allocating additional power. Still, this algorithm has large bandwidth efficiency.
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