Average Rate Performance of Two-Way Amplify-and-Forward Relaying in Asymmetric Fading Channels

박재철,송익호,이성로,김윤희 한국통신학회 2011 Journal of communications and networks Vol.13 No.3

A two-way relaying (TWR) system is analyzed, where two source terminals with unequal numbers of antennas exchange data via an amplify-and-forward relay terminal with a single antenna. In the system considered herein, the link quality between the sources and relay can generally be asymmetric due to the nonidentical antenna configuration, power allocation, and relay location. In such a general setup, accurate bounds on the average sum rate (ASR) are derived when beamforming or orthogonal space time block coding is employed at the sources. We show that the proposed bounds are almost indistinguishable from the exact ASR under various system configurations. It is also observed that the ASR performance of the TWR system with unequal numbers of source antennas is more sensitive to the relay location than to the power allocation.

지역발전 성공사례 (2) : 지,수,화,풍을 이용한 Natural Power 북제주 특화 전략

박재철 대한지방행정공제회 2004 地方行政 Vol.53 No.610

바드라가즈 링 기법이 만성 뇌졸중 환자의 몸통 조절과 다리 근육의 근활성도에 미치는 효과

박재철,이동규 대한물리치료과학회 2023 대한물리치료과학회지 Vol.30 No.1

Background: The purpose of this study was to identify the effects of underwater and ground proprio- ceptive neuromuscular facilitation lower extremity pattern exercise on trunk control and lower extremity muscle activity of chronic stroke patients. Design: Pretest-posttest design: single blind. Methods: The subjects were 28 patients (experimental group, n=14 or control group, n=14) diagnosed with chronic stroke. The experimental group performed underwater proprioceptive neuromuscular facilitation lower extremity pattern exercise. The control group performed ground proprioceptive neuromuscular facilitation lower extremity pattern exercise. Training was conducted once a day for 30 minutes, five days per week for six. Trunk control was measured using the Trunk Impairment Scale. Lower extremity muscle activity was measured using surface electromyography. Results: As a result of comparison within groups, the experimental and control group showed significant difference for trunk control after the experiment (p<0.05). In comparison between two groups, the ex- perimental group showed more significant difference in trunk control than the control group (p<0.05). In comparison within groups, the experimental group showed significant difference for lower extremity muscle activity after the experiment (p<0.05). In comparison between two groups, the experimental group showed more significant difference in lower extremity muscle activity than the control group (p<0.05). Conclusion: Based on these results, underwater pro- prioceptive neuromuscular facilitation lower extremity pattern exercise effectively improved the trunk control and lower extremity muscle activity of chronic stroke patients.

韓國農村地域觀光資源 開發方向設定을 위한 農村型 레크레이션(rural recreation) 開發需要에 關한 硏究

朴在鐵 又石大學校 1989 論文集 Vol.11 No.-

The purpose of this thesis is to assume the demand of the Korean rural recreation for the purpose of the applicating in Korean touristic resources development planning in rural regions. Our planners have established the touristic resources development planning in rural regions without the analysis of the rural recreation demand, although our planning has performed in rural regions in many cases. The fact that the income and time is the most influencing factor in leisure activities is identified by the many preliminary researches. But leisure time in a day is not mostly changed annually. So the income is the very important factor in Korean leisure on account of the increasing rate of income being high. And on account of cultural connection by the mass production of cultural products, through the analysis of the developed countries, the Korean rural recreation demand of the period of percapita 4,000-5,000 $ income was assumed. The result of this thesis is analysed on aspect of participant rate, increasing rate, popularity rank. First of all, the participant rate of rural recreation is ranked by the order of driving, walking for pleasure, sightseeing, bicyling, fishing, pichicing, boating. In the increasing rate, the activity of outdoor sports, camping and bicycling is increased highly. And the popularity of the activity is ranked by the order of walking for pleasure, driving, swimming, outdoor games, bicycling, sighseeing, boating, water skiing, hiking, skiing. The fact that the number users is increased 9-10% annually is identified. This thesis will be used in establishing the development planning of the rural touristic resources of Korean rural regions.

농촌정주생활권내의 마을 비보숲의 실태에 관한 연구 - 전북 진안군 지역을 중심으로 -

박재철 한국조경학회 1998 韓國造景學會誌 Vol.26 No.3

The purpose of this study was to identify remained real state of groves of enclosed village in human settlement circle. That was practiced in case of Chinan-Gun region which traditional elements had well been conservated. 48 village groves were found by site survey, reference and interview in Chinan-Gun region. 27 groves of 48 village groves were clarified as complementing village grove by classification of grove character. It was identified through survey that many were partially destructed by development and human use. The results of this study showed general, socio-behavioral characteristics, characteristics of forest state and vegetation structure of complementing village groves. Length, area, form, type, motive, location, relationship of those were analyzed to identify general characteristics. Facilities, human behavior and ownership of those were analyzed to identify socio-behavoral characteristics. Dominent species, appearing rate, height, width, density and biodiversity of upper trees were analyzed to identify forest state and vegetation structure. Interrelation of each factor were analiged and comparative review with previous studies was achieved.

Boosting RNA-catalyzed DNA-Streptavidin Hydrogel Formation with Base-pair Mismatch for Enzyme-free Picomolar MicroRNA Detection

박재철,나혜빈,남윤성 한국고분자학회 2022 한국고분자학회 학술대회 연구논문 초록집 Vol.47 No.1

농촌지역 관광자원 개발방향에 관한 연구: 청송, 공주, 강진지역을 사례로

박재철 한국조경학회 1988 韓國造景學會誌 Vol.16 No.2

The relative difference between Korean rural region and urban region has increased by the rapid urbanization and industrialization since 1960. Therefore it will be important to raise the income of the people living in rural region. So the Korean government established the collective side job area and rural industrial area for the increasing of the non-agricultural income. For this, the touristic resources development is also the another important means of the rural region development. So the purpose of this thesis exists in the presentation of the direction of the touristic resources development in rural region. For this purpose, three representative regions among the Korean rural regions were selected and the case study was accomplished. In this way the rough direction of the touristic resources development in rural region has presented The direction of the development and the conclusion were as follows : 1)Planners must establish the planning with the vision and demand of future than percent condition. 2)Because the urbanization is continued incessantly, the rural region is developed to be the space of resort. 3)The touristic resources development in rural region is contributed to the regional development through the raising interaction of the touristic resources. 4)The rural region is developed to be the space of the Korean rural tradition 5)The grassland os constructed in the mountenous land and the landscape of the Korean national land is changed to be the picturesque landscape. 6)The construction of the traditional artistic products is accomplished to increase the income of the people in rural region.

잠 못 이루는 여름밤의 단상

박재철 한국비정규노동센터 2018 비정규 노동 Vol.132 No.-

정보화 사회와 불교 정보시스템

박재철 사단법인한국교수불자연합회 2017 한국교수불자연합학회지 Vol.23 No.1

In the information oriented society developed today, personal lives and social and cultural paradigms have been changed dramatically, and accordingly it rapidly evolves the ecological system of religious culture including Buddhism. In the information society, For preservation, protection, research, accumulation of Buddhist cultural resources including Buddhism culture related intellectual property rights. I propose construction of a desirable "Buddhist Information System", integrated management of Buddhist Culture Resources, by recognizing need. Also Considering the process of building the "Buddhist Information System", through this system, research on The Buddhism and academic access to Buddhist cultural resources. The role of Buddhist-based intellectuals is very important, I propose a construction the "Buddhist Information Association" Based on ‘he Korean Association of Buddhist’ Professors'. Also propose the establishment of "Buddhist Culture Promotion Team". 오늘 날 전개되는 정보화 사회에서 개인 생활과 사회 문화 패러다임은 급격하게 변화되고, 이에 따라 불교를 비롯한 종교 문화 생태계도 빠르게 진화되고 있다. 정보화 사회에서 불교 문화 관련 지적 소유권을 비롯한 불교문화 자원의 보존, 보호, 연구, 축적, 활용 등을 통합적으로 관리할 불교정보시스템(Buddhist Information System)구축 필요성을 인식하고 바람직한 불교정보시스템 모델을 제안 한다. 아울러불교정보시스템 구축과정과 이 시스템을 통해 불교를 포교하고 외연을 확대하기 위한 포교 전략 수립과 불교문화 자원에 관한 학문적 접근을 통한 연구에 불교 기반 지식인들의 역할을 고찰하고 한국교수불자연합 중심의 불교정보학회(Buddhist Information association)와 관련 종단의 협업을 기반으로 불교문화진흥단( Buddhist Culture Promotion Team)설립을 제안 한다.

Risk Factors for Type 2 Diabetes Among Korean Adults in 2014

박재철,이제영 계명대학교 자연과학연구소 2017 Quantitative Bio-Science Vol.36 No.1

The purpose of this study was to identify risk factors for type 2 diabetes (T2D) in Korean adults. The data were divided into two types of variables ((i) socioeconomic and demographic factors and (ii) behavioral risk factors) using data obtained through the Korea National Health and Nutrition Examination Survey (2014). Multiple logistic regression analyses were performed to identify risk factors for T2D; the analysis was performed in three steps: socioeconomic and demographic factors (model 1), behavior risk factors (model 2), and socioeconomic, demographic factors and behavior risk factors (model 3). Model 3 revealed that being older (odds ratio, OR 6.58 (95% confidence interval, CI=3.77~11.50) 40~59 years old, OR 14.31 (95% CI=7.96~25.73) ≥60 years old, respectively), lower income (OR 1.50 (95% CI=1.13~ 2.00)), smoking in the past (OR 2.02 (95% CI=1.59~2.57)), abdominal obesity (OR 1.97 (95% CI=1.48~2.64)), having a family history of T2D (OR 2.80 (95% CI=2.12~3.70)), or having a co-morbid condition (OR 4.82 (95% CI=3.08~ 7.55)) increased the risk of T2D. The interaction of waist circumference and co-morbidity significantly increased the risk of T2D. The OR for the interaction of WC and co-morbidity for T2D compared to normal subjects and those without comorbidities were 9.99 ((95% CI=6.63~15.05) normal person and having comorbidity), 2.56 ((95% CI=1.95~3.35) abdominal obesity and no comorbidity), 9.58 ((95% CI=6.42~14.28) abdominal obesity and having comorbidity).