• 한국경영과학회지
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• 제27권3호
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• pp.59-74
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• 2002

This study investigates two basic operations of mobility management of PCNs (Personal Communication Networks), i.e., the location update and the paging of the mobile terminal. From the realistic consideration that a user either moves through several cells consecutively or stays in a cell with long time, we model the mobility pattern by introducing two types of CRT (Cell Residence Time). Mobility patterns of the mobile terminal are classified Into various ways by using the ratios of two types of CRT. Cost analysis is performed for distance-based and movement-based location update schemes combined with blanket polling paging and selective paging scheme. It is demonstrated that in a certain condition of mobility pattern and call arrival pattern, 2-state CRT model produces different optimal threshold and so, is more effective than IID ( Independently-Identically-Distributed) CRT model. An analytical model for the new CRT model is compact and easily extendable to the other location update schemes.

• 한국인쇄학회지
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• 제23권2호
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• pp.59-75
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• 2005

In gravure printing, the amount of ink from cells has a great effect on the qualities of final printed products. And printability of final products is determined by every kinds variables. Ink transfer process is not verified scientifically because gravure cell is of small size and print speed is rapid. Therefore in order to study of ink transfer mechanism, this study is using the Computational Fluid Dynamics Evaluation. Polyflow 3-10 simulation software is used for considering of non-Newtonian flow. Among the various factors, this study have dealt with gravure cell types used computer simulation in order to define distinctive features in ink flow and transfer. The results of simulation, it defined the distribution of pressure, speed, stream function, viscosity, shear rate during the gravure printing. It is fined out the difficulties and characteristics according to the shape of cell types. Through this study, the condition of gravure printing is depending on the print condition and characteristic of cells.

• 복식문화연구
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• 제15권1호
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• pp.13-24
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• 2007

This study measured the communication effect on the setting types and the exposure times to perform the effective PPL strategies. By the setting types(on-set and creative) and exposure times(short and long), 308 female older than 20 were divided into 4 experimental groups. Each groups were exposed to the edited movies and required to answer the questionaire. The data were analysed by SPSS 12.0 using Chi-Square, One-Way ANOVA and Duncan test. The results are as follows. First, in cognitive dimension, the on-set type and long exposure group showed the higher recognition and recall. Second, in emotional dimension, the signigicant difference was found in one brand(Kappa) of two which were used in the experiment. In this case, the on-set type and long exposure group showed the positive attitude toward the brand. Third, in behavioral dimension, there were no difference among the groups. The implications based on this results are as follows. First, when implementing of PPL the fashion brands in movies, the on-set type and long exposure would be the most effective method. Second, implementing IMC(Integrated Marketing Communication) linked to the PPL strategy can be more effective. In contrast to the other product categories, it is hard to recognize the brand of fashion goods if the logo or the brand name is not exposed directly. Therefore Combining other communication strategies such as press release simultaneously will birng the more effective result of PPL in the movie.

• 한국융합학회논문지
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• 제10권2호
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• pp.255-260
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• 2019

최근 금연 캠페인에서 사실적 이미지가 적극적으로 활용되고 있다. 캠페인을 위한 매체로 활용되고 있는 포스터의 이미지 표현에 있어서도 마찬가지이다. 본 연구에서는 세계보건기구(WHO)에서 제작 배포한 금연 캠페인 포스터에서 서로 다른 시각적 표현 유형이 헬스커뮤니케이션에 미치는 영향을 살펴보았다. '일러스트 이미지'와 '사실적 이미지'가 계획된 행동 이론의 각 속성인 '금연행동 인식', '주관적 규범', '지각된 통제감'에 미치는 영향을 분석하였다. 이미지 표현 유형에 따라 '금연행동 인식'과 '주관적 규범'에 미치는 영향 차이가 있었으며, '지각된 통제감'에서는 두 이미지 표현 유형 사이에 의미 있는 차이가 발견되지 않았다. 본 연구를 통해 이미지 표현 유형 사이에 헬스커뮤니케이션 효과의 차이가 있음을 확인하였으며, 향후 헬스커뮤니케이션에서 효율적인 시각적 표현 방식을 모색하기 위해 디자인 분야와 예컨대 사회 심리학 등 다른 분야 간의 융합적 연구가 요구된다.

• 한국응용과학기술학회지
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• 제36권3호
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• pp.700-708
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• 2019

본 연구는 대학생의 성격강점과 의사소통유형이 대인관계만족도에 미치는 영향을 분석하여 대학생의 건강하고 원만한 학교생활을 위한 상담 프로그램 개발 및 교육과정을 위한 기초자료를 제시하고자 시행하였다. 연구 대상자는 서울과 충청권 거주 대학생으로 2018년 5월 7일부터 5월 28일까지로 총 204부의 자료를 t-test, ANOVA, Pearson's Correlation Coefficient, Multiple regression으로 최종 분석하였다. 연구결과는 지성적 성격강점과 감성적 성격강점, 의사소통유형 및 이성친구 유무를 예측변수로 대인관계만족도를 설명하는 선형회귀모형은 통계적으로 유의하였고(F=26.57, p<.001), 회귀모형의 설명력은 대인관계만족도 총 변화량의 45%를 설명하고 있다. 따라서 본 연구는 대학생의 대인관계만족도를 증가시키기 위해서 의사소통 교육프로그램 개발의 기초자료로 활용할 수 있을 것이다. 또한 성격강점에 관한 자기인식을 높이는 상담프로그램 개발의 기초자료로 유용할 것이다.

• 정보처리학회논문지:컴퓨터 및 통신 시스템
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• 제11권4호
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• pp.127-132
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• 2022

토르 (Tor, The Onion Router)와 같이 다수의 가상 컴퓨터 및 네트워크를 경유함으로써 이용자의 인터넷 접속에 대한 추적을 어렵게 하는 익명 암호통신 네트워크는 데이터 송수신 과정에서의 사용자 및 데이터 프라이버시 보호를 그 운영목적으로 하고 있다. 하지만 이러한 익명 암호통신 네트워크를 통한 불법 콘텐츠 공유 및 무기거래 등 부적절한 용도로의 악용 및 오용에 있어, 기존의 탐지 기법을 적용하거나 적절한 대응책을 마련하기에는 어려움이 따른다. 본 논문에서는 익명 암호통신에서도 특정 사이트에 대한 접근 정보를 높은 정확도로 유추할 수 있는 웹사이트 핑거프린팅 (website fingerprinting) 기법을 확장하여, 특정 사이트 뿐 아니라 알려지지 않은 사이트에 대해서도 서비스 유형을 특정하고 분류하는 방법을 강구함으로써 악의적 목적에 활용될 수 있는 은닉 사이트 또는 잠재적 불법 사이트에 대한 식별 방안을 제시한다.

• 기본간호학회지
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• 제13권3호
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• pp.474-484
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• 2006

Purpose: This research was done in order to provide basic data for future research on communication and development of programs. Research methods and key areas of previous nursing research on communication in Korea were analyzed. Method: Journals with themes or titles 'nurse-patient communication', 'nursing and communication' and 'interaction between nurse-patient' were searched through internet search engines. Results: The most prevalent research design was survey and nurses were the main participants. Questionnaire was the most frequently used method to obtain the necessary data for the research. The most frequent nursing research topic regarding communication in Korea was the form of the communications such as 'types of communication', and 'organizational communication'. Conclusion: For future nursing research regarding communications in Korea, the participants and themes should be broadened. There is also a need to develop objective methods to measure and assess the results of communication so as to enable actual application of the results of the studies.

• Current Optics and Photonics
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• 제3권5호
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• pp.365-373
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• 2019

This paper investigates the performance of a hybrid single input multiple output radio frequency/free-space optics (SIMO-RF/FSO) communication system. Each SIMO-RF link is modeled as an independent and identically distributed (i.i.d.) Rayleigh distribution, while the FSO link follows a generalized $M{\acute{a}}laga$ (M) distribution. Considering the fixed gain amplify-and-forward (AF) relay and misalignment errors, novel expressions for the outage probability (OP), average bit error rate (ABER) and average capacity are derived. Numerical results show that atmospheric turbulence and misalignment errors can seriously impair the system performance, and the hybrid RF/FSO communication system using SIMO-RF links can greatly improve system performance. We also analyze system performance under different types of modulation schemes. Numerical results are verified by Monte Carlo simulations.

• 보건행정학회지
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• 제31권4호
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• pp.518-530
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• 2021

Background: This study examined the effect of having a usual source of care on the degree of patient-centered communication among persons with disability. The role of the usual source of care has been emphasized to improve patient experience, especially for patients with complex health conditions. Methods: This study used the 2017-2018 Korean Health Panel data, and the final study observations were 22,475 (20,806 people without disability and 1,669 people with disability). We applied generalized estimating equation model to show the effect of having a usual source of care on patient-centered communication, and subgroup analysis considering the types and severity of disabilities. Results: Persons who have disabilities, compared with ones without it, significantly had more usual sources of care (32.4% vs. 24.6%). By type of disability, persons with mental (51.4%), internal organ (43.8%), visual (37%), and physical disabilities (31.6%) had more usual sources of care than hearing/speech (26.6%), and developmental disabilities (18.6%). The average score of patient-centered communication was higher among who had a usual sources of care (3.2 vs. 2.7), and the regression analysis showed that having a usual sources of care was positively associated with higher patient-centered communication score (𝛽=0.476, p<0.05). However, the positive effects of usual sources of care was not observed among persons with severe hearing/speech, developmental, and mental disabilities. Conclusion: This study showed that role of patient-centered communication was limited in persons with severe hearing/speech disabilities, developmental, and mental disabilities. The education programs and supports are needed to improve communication skills between medical staff and persons with specific types of disabilities.

• 디지털융복합연구
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• 제20권1호
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• pp.335-341
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• 2022

본 연구는 중소병원 간호사의 의사소통 유형과 감정노동 및 직무스트레스 간의 관계를 확인하고 직무스트레스에 영향을 미치는 요인을 확인하기 위해 시도된 서술적 조사연구이다. 연구 대상은 G광역시에 소재한 6개 중소병원 간호사 192명을 임의 표출하였다. 연구도구는 의사소통 유형, 감정노동, 직무스트레스 측정을 위한 구조화된 설문지를 사용하여 2019년 8월20일부터 9월10일까지 자료수집하였다. 연구결과, 대상자의 의사소통 유형은 평균 3.55±0.31점, 감정노동은 3.21±0.59점, 직무스트레스는 3.44±0.52점이었다. 직무스트레스는 의사소통 유형 중 친화적 의사소통과 통계적으로 유의한 음의 상관관계를, 감정노동과는 통계적으로 유의한 양의 상관관계를 보였다. 직무스트레스에 영향을 주는 요인은 성별, 총 임상경력, 감정노동이었고 28.0%의 설명력을 보였다. 향후 간호사의 직무스트레스를 줄이기 위해서는 감정노동에 대한 효율적인 관리전략이 필요할 것으로 사료된다