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박홍성(Park Hong Seong),정명순(Jung Myoung Soon) 강원대학교 산업기술연구소 2001 産業技術硏究 Vol.21 No.1
This paper analyzes the performance of the several types of ACL(Asynchronous ConnectionLess) packets used in Bluetooth according to a BER(Bit Error Rate) and a packet length and proposes an optimal packet type and an optimal size of the packet being able to be used under the given BER. This paper proposes how to obtain the optimal packet type and the optimal size of the packet maximizing the performance measure under the given BER. In addition, this paper shows that the optimal type and size of the packet maximizing the throughput are different from those maximizing the mean transmission time. This occurs because the Bluetooth uses not only one type of packet bet also various types of packets.
BT(Bluetooth) IP에서의 핸드오프 지원 방안
박홍성(Park Hong Seong),정명순(Jung Myoung Soon) 강원대학교 산업기술연구소 2001 産業技術硏究 Vol.21 No.1
In this paper, we propose handoff scheme for BT(Bluetooth) IP and define signaling for the handoff scheme. In local area, BT IP use the concept of Cellular IP and the operation property of Bluetooth system. In case of accessing external internet, use the concept of Mobile IP. IP-based Mobility of Blutooth Terminal provides efficient and rapid mobility in local area and flexibility on the internet.
아로마 흡입법이 간호대학생의 시험불안, 스트레스 및 혈중 코티졸에 미치는 효과
고예정(Ko, Ye-Jung),정명순(Jung, Myoung-Soon),박경숙(Park, Kyung-Sook) 기본간호학회 2013 기본간호학회지 Vol.20 No.4
Purpose: This study was done to examine the effects of Aroma inhalation therapy on test anxiety, stress and serum cortisol in nursing students. Methods: The study design was a pre posttest randomized design with a pre-survey, a 5-day experimental treatment (2012.11.17-21) and a post survey. Participants were 65 students - 31 in the aromatic inhalation group and 34 in the control group. The pre-survey included general demographic characteristics and test anxiety, stress and serum cortisol levels for all students. The experimental group received the aromatic inhalation using aroma oil (mixed Maychang, lavender, rosewood essence - ratio of 3:5:2). Results: The experimental group treated with aromatic inhalation scored significantly lower for test anxiety (t=-2.330 p=.023), physical stress (t=-2.910 p=.005) and psychological stress (t=-3.285 p=.002) compared to the control group. However, there were no differences in serum cortisol levels (t=0.228 p=.820). Conclusion: Results indicate that Aromatic inhalation, using maychang, lavender and rosewood essential oils, contributes significantly to reducing anxiety and stress among nursing students, and can therefore be an effective intervention for anxiety and stress.
박홍성,정명순 江原大學校 産業技術硏究所 2001 産業技術硏究 Vol.21 No.A
This paper analyzes the performance of the several types of ACL(Asynchronous ConnectionLess) packets used in Bluetooth according to a BER(Bit Error Rate) and a packet length and proposes an optimal packet type and an optimal size of the packet being able to be used under the given BER. This paper proposes how to obtain the optimal packet type and the optimal size of the packet maximizing the performance measure under the given BER. In addition, this paper shows that the optimal type and size of the packet maximizing the throughput are different from those maximizing the mean transmission time. This occurs because the Bluetooth uses not only one type of packet bet also various types of packets.
BT(Bluetooth) IP에서의 핸드오프 지원 방안
박홍성,정명순 江原大學校 産業技術硏究所 2001 産業技術硏究 Vol.21 No.A
In this paper, we propose handoff scheme for BT(Bluetooth) IP and define signaling for the handoff scheme. In local area, BT IP use the concept of Cellular IP and the operation property of Bluetooth system. In case of accessing external internet, use the concept of Mobile IP. IP-based Mobility of Blutooth Terminal provides efficient and rapid mobility in local area and flexibility on the internet.