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Short Bus contention 방식의 Priority Output Queuing Model의 분석
정용주,Jeong, Yong-Ju 한국정보처리학회 1999 정보처리논문지 Vol.6 No.2
I broadband ISDN every packet will show different result if it would be processed according to its usage by the server. That is, normal data won't show big differences if they would be processed at normal speed. But it will improve the quality of service to process some kinds of data - for example real time video or voice type data or some data for a bid to by something through the internet - more fast than the normal type data. solution for this problem was suggested - priority packets. But the analyses of them are under way. Son in this paper a switching system for an output queuing model in a single server was assumed and some packets were given priorities and analysed. And correlation, simulating real life situation, was given too. These packets were analysed through three cases, first packets having no correlation, second packets having only correlation and finally packets having priority three cases, first packets having no correlation, second packets having only correlation and finally packets having priority and correlation. The result showed that correlation doesn't affect the mean delay time and the high priority packets have improved mean delay time regardless of the arrival rate. Those packets were assumed to be fixed-sized like ATM fixed-sized cell and the contention strategy was assumed to be short bus contention method for the output queue, and the mean delay length and the maximum 버퍼 length not to lose any packets were analysed.
휴대통신 서비스를 위한 Cross-counting 복조방식의 제안
정용주,김도욱,김대호,김호영,최각진,이성수,Jeong, Yong-Ju,Kim, Do-Wook,Kim, Dae-Ho,Kim, Ho-Young,Choi, Gak-Jin,Lee, Sung-Soo 한국전자통신연구원 1991 전자통신 Vol.13 No.3
본 논문에서는 디지틀 무선통신에 보편적으로 사용되는 FSK계열의 변복조 방식에 있어 기존의 다른 방식에 비해 보다 향상된 잡음배제 능력을 갖는 hysteresis 특성의 crosscounting 복조방식을 제안하며, 제안한 복조방식의 오율을 가우시안 잡음이 부가된 환경하에서 해석한다. 또한 그 결과와 실험식에 의한 시뮬레이션 결과간의 상호비교를 행하고,H/W 의 구현 및 실험을 통하여 타당성을 입증한다.
엘리트선수의 운동 유형별 심장 이완기능과 심혈관 요인 비교
정용주(Jeong Yong-Ju),오재근(Oh Jea-Keun),김영주(Kim Young-Joo) 한국체육과학회 2010 한국체육과학회지 Vol.19 No.2
The aim of this study is to compare cardiac diastolic function and cardiovascular factor in male elite athletes according to training types. Thirty-two male university students(Runner, n=8; Bodybuilder, n=8; Cyclist, n=8; Control, n=8) were assigned to 1 of 4 groups. All groups measured cardiac diastolic function by echocardiography and VO₂max, RPP were measured by graded exercise test One-way ANOVA was used to compare variables among 4 groups. Then, Bonferroni was used as post hoc analysis. A significant level was considered as p<.05. The results are as follows; 1. E/A ratio was higher in Run group compared to Body and Cyc, Con groups(p<.05, p<.01, p<.05). DT was higher in Run and Cyc, Con groups compared to Body group(p<.01, p<.001, p<.05). E'/A' ratio was higher in Run group compared to Body and Con group(p<.001, p<.001 and Cyc group was higher than Body group(p<.05). E/E' ratio was higher in Run group compared to Body and Con group(p<.01, p<.05) and Cyc group was higher than Body and Con group(p<.01, p<.01). 2. Sub-RPP was lower in Run group compared to Body, Cyc, Con group(p<.001, p<.01, p<.001, Cyc group was lower than Con group(p<.05). Cyc group was lower than Con group(p<.05). VO₂max was higher in Run group compared to Body and Con group(p<.001, p<.001) and Cyc group was higher than Body and Con group(p<.001, p<.001). In conclusion, Run and Cyc groups were improved in cardiac diastolic function and cardiovascular factors.
일본관광객의 라이프스타일,개인가치에 따른 메뉴선택속성 연구 -부산지역 관광객을 중심으로-
정용주 ( Yong Ju Jeong ),황지윤 ( Ji Yoon Hwang ),최상수 ( Sang Su Choi ) 관광경영학회 2012 관광경영연구 Vol.51 No.-
From the personal value influenced by the fundamental motives which has been becoming customer purchasing behavior and life style explaining the setting-up of standard of market segmentation and customer behaviors, we are able to establish effective marketing strategies. This study aims to present marketing materials for Japanese tourists by understanding and analyzing their selective attributes based on their life style and personal value. For the purpose, a questionnaire survey shows Japanese tourists` opinions about whether they are influenced by selecting the menu based on their life style and personal value. 370 Japanese tourists visiting Busan city in Korea from Aug. 1. 2011 to Sep. 1. 2011 were givens questionnaires in order to get the data for the study. The results of the study were as follows: First, it showed that their life style ha 10 main factors including brand-oriented intention and they selected the menu with their different preferences based on them. Second, it pointed out that there were 5 types of selective attributes and their psychological motive was very important factor when choosing the menu. Third, it showed that personal value influenced greatly on their choosing menu.
외식업체 종사원의 직무스트레스가 이직의도에 미치는 영향 -DISC 행동유형을 기준으로-
정용주 ( Yong Ju Jeong ),최상수 ( Sang Su Choi ) 관광경영학회 2011 관광경영연구 Vol.46 No.-
Job stress has become an important issue in today`s world. One must recognize that not all stress is negative. A certain amount of stress is needed for an employee to remain motivated in their position. Especially, Job stress is related to propensity to leave and is also an explanatory factor in the decision to terminate employment, which is a vital problem to companies. Therefore, the purpose of this study is to analyze the relationship between foodservice industry employee`s job stress and their type and to provide useful information and considerable suggestion about human resources management through DISC behaviour test and questionnaire about job stress factors. Also, this study is to investigate the impacts of foodservice industry employee`s job stress on turnover intention and to verify the DISC behavior type between the job stress and the turnover intention. As a result, job stress was discovered to be statistically significant concerning the DISC behavioral type and turnover intention, and the DISC behavioral type was found to play a mediating role in turnover intention which was a dependent variable. In conclusion, job stress was revealed to affect turnover intention and, also, the DISC behavioral type was mediated to turnover intention.