• Journal of the Korea Institute of Information and Communication Engineering
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• v.17 no.3
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• pp.656-664
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• 2013

U-healthcare system supports healthcare service of prevention, diagnosis, medical treatment and currently various medical service systems. Therefore, utilization of medical information thru hospitals, medical agencies is unevitable in this society. However, the standard draft of HL7 which is a standard of medical information does not support specification of medical information being used currently. Thus, in this paper, we study standard HL7 message system to analyze and adjust the medical information and it will help to utilize efficient medical information and the method is verified to be sufficiently effective.

• Journal of Information Management
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• v.27 no.2
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• pp.33-64
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• 1996

The systematic classification of database technologies is being much debated issue currently in the telecommunication and database industry. Such a rapid requirement toward standard classification model will enable many experts to characterize database technologies. The purpose of this study is to obtain a general overview and suggest a draft for the development of standard model associated with classification. This presented model is concentrating on information and database system. This presentation is catalogued by 5 subjects such as : general overview, information distribution, information retrieval systems, database systems, peripheral aspects related to database.

• Proceeding of Spring/Autumn Annual Conference of KHA
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• 2008.04a
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• pp.166-170
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• 2008

The elder population is growing rapidly in Korea nowadays. Therefore, a demand for adaptable installation standard of residential space for the elderly is increasing with growth of the elder population. This study analyzed actual state by interviewing manager, surveying actual measurement and using draft of Elderly nursing facility which is for senile patients. As a result of the survey for size and facilities, facilities for elderly safety, accommodation per a person and room size per a person are below to standard. Therefore, establishing adaptable design standard is needed which is to make safe and fresh living environment for the elderly.

• Journal of the Korean Applied Science and Technology
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• v.33 no.4
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• pp.824-835
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• 2016

Although the number of registered cars in South Korea is above 21million and one family has about 1.07 cars, there is no national standard for automobile reference fuel in South Korea. Reference fuel is the fuel used for certificating vehicle performance, emissions and fuel economy. Now, domestic market fuels are used as reference fuel. However, the quality of domestic market fuel is constantly changing by seasonal and fuel manufacturers. It may effect vehicle performance, emissions and fuel efficiency test result. On this study, market fuel quality was monitored and reference fuel standard(draft) was set by reflecting market fuel monitoring result. Reference fuel standard(draft) was applied to GDI and MPI engine. As a result, the difference of fuel economy between fuels meeting the reference fuel standards(draft) was reduced to 1.1% while the difference of fuel economy between market fuels was 3.8%.

• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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• 2007.11a
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• pp.1167-1172
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• 2007

This study investigates human floor impact sounds; not only the children's jumping and running represented by heavy-weight impact source such as bang machine and impact ball but also the high-heel walking and the light weight object dropping represented by tapping machine in the standard measurements. However, due to reliability problems as a standard impactor, bang machine has not been included in the new draft of ISO 10140 Part 3: Measurement of impact sound insulation. Therefore, the procedure to convert the floor impact sound level of the bang machine into that of the impact ball has been demanded because the bang machine has been only the standard heavy-weight standard impact source and much of its data has been collected, This study indicates that the use of impact ball is reliable and that the bang machine data can be successfully converted into the impact ball data in case of box-frame type reinforced concrete structures.

• 한국연소학회:학술대회논문집
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• 2014.11a
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• pp.111-112
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• 2014

Exhaust gas boiler system with respect to national and international safety standards, comparative study best suited to the realities of local exhaust and exhaust system manufacturing, certification standards and gas boiler installation, management, and mip draft inspection standards will proceed through this study.

• Proceedings of the Korea Multimedia Society Conference
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• 2001.06a
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• pp.518-521
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• 2001

최근 정보통신기술의 발전과 인터넷의 폭발적인 사용자 증가로 인해 전자상거래가 활성화되고 있다. 또한 다양한 전자지불 시스템의 등장으로 이와 관련된 시장이 급성장하고 있다. 하지만 이러한 급성장에 비해 전자지불 시스템에 대한 표준화 작업이 더디게 진행되고 있다. 이에 본 논문에서는 표준화에 필요한 요구조건 창설개체 역할 및 기능을 설명하고 전자지불 시스템의 한 부분인 네트워크형 전자화폐 표준(안)을 제시한다.

• Journal of Communications and Networks
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• v.6 no.3
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• pp.226-234
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• 2004

This work presents a deterministic channel that rules according to inverse a power propagation law. The proposed channel model allows us to derive the lower bound and upper bound of packet's capture probability in Rayleigh fading and shadowing cellular mobile system. According to these capture probabilities, we analyze the system performance in the case of finite stations and finite communicated coverage of a base station. We also adopted a dynamic backoff window size to discuss the robustness of IEEE 802.11 draft standard. Some suggestions and conclusions from numerical results are given to establish the more strong CSMA/CA protocol.

• Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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• v.25 no.3
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• pp.239-247
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• 2007

The 3D spatial information projects have been processed and utilized in varied fields. However, the research of the 3D digital map for a role of national base map is not enough. The draft maps, which are raw data for generating 2D digital map, shows problems in generating 3D digital map. The objective of this research is to develop 3D digital map editing system for modifying and editing of 3D digital map from 2D vector and raster information such as a draft map, 2D digital map, DEM, aerial photo and so forth. This 3D digital map editing system was designed to include data structure of geometric and attribute object under provision of ISO/TC211 and OGC standard. This system was developed to implement the function of 3D stereo editing based on stereo viewing, 3D view editing based on projective, and 3D spatial operation. Using this system, 3D digital maps were able to be successfully produced from not only existing draft maps but also modified or edited draft maps and then application results were compared and analyzed.

• The Journal of Korean Institute of Communications and Information Sciences
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• v.22 no.10
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• pp.2150-2164
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• 1997

Two distinct features required in transport service and protocol to meet new multimedia applications requirements are multicast transmission capability and enhanced QoS facility. In this paper, we presents major functions and facilities of enhanced communications transport service definition supporting these requirements. At first, major fundamental issues, that should be handled to design multi-peer communcation service and protocol, are resoved and applied to design service definition. Secondly, we proposed several new functions for enhanced transport service such as heterogeneous TC establishment, invitation capability, TC-ownership transfer, restriction of transmit concurrency. The detils of proposed enhanced transport service are TC creation, TC invitation, TC join, multicase data transfer, pause of data transfer, resulme of data transfer, report of specific status, TC leave, TC termination, TC-ownership transfer, Token transfer services. The proposed transport service was submitted and accepted as a draft text for committee draft of international standard by the international standradization body such as JTC1/SC6 and ITU-T SG 7.