Hyosung Hwang

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The purpose of this paper is to describe a cooperated low power operation, Night-Watch mechanism. The Night- Watch mechanism reduces useless channel scanning of the container security device (CSD) based on IEEE 802.15.4. In order to reduce energy consumption of the device, the Night- Watch mechanism uses the specific feature that a CSD moves as a group with(More)
This paper aims to propose a gradient of learnability as a criterion for setting priorities in pronunciation teaching. A total of 40 Korean subjects (mostly aged 12 year) were tested on their discrimination ability of English sounds before and after participating in a high variability phonetic training (HVPT) program for 4 weeks. This study shows highly(More)
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