• Journal of Convergence for Information Technology
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• v.10 no.7
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• pp.7-13
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• 2020

IoT which is the core IT of the 4^th industrial revolution, is providing various services from users in the conversion with other industries. The IoT convergence technology is leading the communication paradigm of communication environment in accordance with the increase of convenience for users. However, it is urgently needed to establish the security measures for the rapidly-developing IoT convergence technology. As IoT is closely related to digital ethics and personal information protection, other industries should establish the measures for coping with threatening elements in accordance with the introduction of IoT. In case when security incidents occur, there could be diverse problems such as information leakage, damage to image, monetary loss, and casualty. Thus, this paper suggests a certificate management technique for safe control over access in IoT-based Cloud convergence environment. This thesis designed the device/user registration, message communication protocol, and device renewal/management technique. On top of performing the analysis on safety in accordance with attack technique and vulnerability, in the results of conducting the evaluation of efficiency compared to the existing PKI-based certificate management technique, it showed about 32% decreased value.

• Journal of Convergence for Information Technology
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• v.8 no.6
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• pp.237-242
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• 2018

There are various 'wireless communication technologies' around us. Wireless mobile communication has evolved through various stages, and its utilization is also diverse. However, due to the development of wireless communication technology, the demand for frequency resources is much higher than the supply, so frequency shortage is serious. Recently, 'visible light communication' has been attracting attention as an emerging communication technology that can solve the frequency shortage. 'Visible light communication' is a communication method based on serial data transmission / reception, and there is a difficulty in transmitting / receiving parallel data because the transmitter and the receiver are arbitrarily present. In this paper, we have studied parallel data processing of visible light communication. We could solve the problem by analyzing parallel data using image processing. Through this study, communication performance can be verified through I / O data comparison by implementing parallel data analysis method. It is expected that diversity in parallel data analysis will be presented through the results.

• Journal of information and communication convergence engineering
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• v.9 no.2
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• pp.197-200
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• 2011

In this paper, we propose a multi-view stereoscopic image synthesis algorithm for 3DTV system using depth information with an RGB texture from a depth camera. The proposed algorithm synthesizes multi-view images which a virtual convergence camera model could generate. Experimental results showed that the performance of the proposed algorithm is better than those of conventional methods.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.8 no.5
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• pp.243-249
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• 2008

The time of broadcasting-communication convergence is opened by advance of digital information processing technology and communication and broadcasting technologies and becomes the growing model of new industrial fields. In this paper, we analyze the element technology that is opening to the successful broadcasting-communication convergence period, and deal with the manpower incubation algorithm in the university that is aimed to the graduation of creative and ability professional engineer in that field by basis of this. The manpower incubation algorithm deal with the basic education curriculum which is support for the element technology and the educational direction and flowchart in the university for the next generation.

• Journal of the Korea Convergence Society
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• v.8 no.6
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• pp.299-309
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• 2017

The study was aimed at finding an effective use of para-languages, which are important to communicate the meaning of the korean choral music. Para-language is a nonverbal communication that contributes to the delivery of a more expressive language. In choral music, vocalization and diction are important para-languages. Until now, the conductors emphasized vocalization rathe than diction while focusing musical expression in chorus. However, vocalization and diction are not distinct. This study suggested effective choral vocalization and diction technique through the convergence of experience as conductor and knowledge of communication theory.

• Journal of the Korea Convergence Society
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• v.11 no.11
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• pp.55-61
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• 2020

The communication issues expected for SMEs are that 1) IT systems are not easy to connect, 2) data collection and integration by heterogeneous systems are difficult, and 3) various fieldbuses and protocols make interfaces difficult. Usually, SMEs often have automation built before the introduction of smart factories. It is necessary to provide communication technology such as Sensing to meet the heterogeneous system level with the old aged sensors in the automation equipment and communication network of SMEs. We will consider how to improve the network interface before applying the latest network technology at the time of preparation using PI.

• Convergence Security Journal
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• v.8 no.2
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• pp.15-25
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• 2008

In today's broadcasting and communication systems, many applications are converged information in a complicated manner by interworking with various networks such as satellite networks. Specifically, as broadcasting and communication systems have become more advanced in terms of technology and capacity, the increase in information assets has created new types of threats and vulnerabilities that we're not previously apparent. This paper has proposed the following methodologies for analyzing the risks and estimating the economical that could arise in broadcasting and communication convergence systems. First, the assets are prioritized by grading them according to confidentiality(copyrights), integrity, and availability. Based on such an analysis, this paper presents a model that can be used for verifying the risk variables caused by changing threats and vulnerabilities. Second, this paper presents a method for quantitatively estimating the economical caused by countermeasure costs for each time period.

• Journal of the Korean Society of Industry Convergence
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• v.25 no.5
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• pp.747-756
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• 2022

The purpose of this study was to identify the influence of hospital nurses' communication competence on resilience. Participants were 178 nurses who were from 5 general hospitals located in Seoul, Gyeonggi-do province in Korea. The data were collected from September 5 to 19, 2021 and analyzed using t-test, ANOVA, Pearson correlation coefficient and multiple regression with SPSS/WIN 22.0 program. The average score of communication competence was 3.57 and resilience was 3.43 points. The total correlations was .68 between communication competence and resilience. Communication competence explained 50% of the total variance of resilience(ρ<.001). Communicative effectiveness(β=.24, ρ<.001), immediacy(β=.19, ρ=.01), assertiveness(β=.15, ρ=.03) and social adaptability(β=.16 ρ=.02) were the significant factors influencing on resilience of hospital nurses. The findings suggest that we need to make efforts to increase the specific factors of communication competence affecting on resilience of nurses.

• Proceedings of the Korea Institute of Convergence Signal Processing
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• 2005.11a
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• pp.314-316
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• 2005

본 논문에서는 UWB 통신을 위한 직교 변형 Hermite 파형형성함수와 정현파를 이용한 변조 Hermite펄스함수의 시간과 주파수 영역에서의 특성을 검토하였다. 그리고 이를 이용한 직교 펄스 다원접속 시스템의 송신기와 수신기를 구성하고 그 성능을 분석하였다.

• Proceedings of the Korea Institute of Convergence Signal Processing
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• 2003.06a
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• pp.201-204
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• 2003

본 논문은 GPS 기술을 이용하여 지상 이동체의 위치 정보를 취득하고, 취득된 위치 정보를 이용하여 지상 이동체에 공공 정보와 상업 정보를 멀티미디어 데이터로 편집하여 실시간으로 제공하는 시스템을 제안하고 설계하였다. 설계한 시스템의 효용성과 신뢰성을 검증하기 위하여 PC와 Visual BASIC, 포토샵을 이용하여 시뮬레이션하였고, CYSTEL INC의 위성 수신기 모듈과 산업보드를 이용하여 제작하였다.