A Design of a Location-based Data Reduction System for a Smart Dust Environment

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A Design of a Location-based Data Reduction System for a

Smart Dust Environment

Joonsuu Park*, KeeHyun Park*

*Dept. of Computer Engineering, Keimyung University 殚 檃檃 ⰺ㤆 㧧㦖 䋂₆㦮 ㎒㍲✺㧊 ㌆㞛 ❇㦮 䠮㰖㠦 䦿㈢⩺㰖⓪ 㓺Ⱎ䔎 ▪㓺䔎 䢮ἓ㦖 㧻䂮✺㦮 䅊䜾 䕛 ㎇⓻ὒ Ⰲ㏢㓺Ṗ ⰺ㤆 㩲䞲♮₆ ➢ⶎ㠦 ṗ ㎒㍲✺㦮 㥚䂮⯒ 㔳⼚䞮₆ ⰺ㤆 䧮✺┺. ⡦䞲 㽞╖⨟ 㦮 ㎒㍲✺㧊 ㈢⩺㰖⓪ 䔏㎇㦒⪲ 㧎䟊 㑮㰧, 㩚㏷♮⓪ ◆㧊䎆㦮 䋂₆Ṗ ㌗㌗䞮₆ 䧮✺ 㩫☚⪲ 䄺㰞 㑮 㧞┺. ⽎ ⏒ⶎ㠦㍲⓪ 㭧Ṛ ⰺṲ 㡃䞶㦚 㑮䟟䞮⓪ ❪⹪㧊㓺㦮 㥚䂮㢖 ㌒⼖䁷⨟㦚 㧊㣿䟊 ㎒㍲✺ 㦮 㥚䂮⯒ Ἒ㌆䞮ἶ Ἒ㌆♲ 㥚䂮⯒ ₆⹮㦒⪲ ☯㫛㦮 ㎒㍲㠦㍲ 㑮㰧♲ ◆㧊䎆⯒ 㿫㏢, 䐋䞿䞮⓪ 㥚 䂮 ₆⹮ ◆㧊䎆 㿫㏢ 㔲㓺䎲㦚 㩲㞞䞲┺. 1. 昢嵦 㓺Ⱎ䔎 ▪㓺䔎(Smart Dust) ₆㑶㧊⧖ Ⲓ㰖 䋂₆㦮 ⰺ㤆 㧧㦖 ㎒㍲✺㦚 Ịⶒ, ☚⪲, 㦮⽋, 㧎㼊 ❇ ⶒⰂ 㩗ὋṚ㠦 Ⲓ㰖㻮⩒ ㈢⩺ 㭒㥚㦮 㡾☚, 㔋☚, Ṗ㏣☚, 㞫⩻ ❇㦮 㩫⽊⯒ ⶊ㍶ ⍺䔎㤢䋂⪲ Ṧ㰖, ὖⰂ䞶 㑮 㧞⓪ ₆㑶㦚 Ⱖ䞲┺ [1]. 㯟, 㓺Ⱎ䔎 ▪㓺䔎⓪ ⍩㦖 㦮 ⹎㠦㍲ ㌂ⶒ 㧎䎆⎍(Internet of Things) ⻪㭒㠦 ㏣䞮Ⳇ, ⶊ㍶ ⍺䔎㤢䋂⯒ 䐋䟊 㭒⼖ 㩫⽊⯒ 䁷㩫䞮ἶ ὖⰂ 䞶 㑮 㧞⓪ ₆㑶㧊┺ [2-4]. 㓺Ⱎ䔎 ▪㓺䔎⓪ 㧻䂮 㭒⼖ 㦮 㩫⽊⯒ 㓓Ợ 㑮㰧䞶 㑮 㧞㰖Ⱒ ㌂⧢㧊 㩧⁒㧊 㠊 ⪋Ệ⋮ 䧮✶ 㰖㡃㠦 ㌊䙂♮⓪ 䔏㰫㦒⪲ 㧎䟊 ὖⰂ ⹥ 㑮ⰂṖ 㠊⩺㤎 㑮 㧞┺. ㈦Ⱒ 㞚┞⧒, 䟃Ὃ₆ ❇㦚 㧊 㣿䟊 ⍩㦖 㰖㡃㠦 ὧ⻪㥚䞮Ợ ㌊䙂♮₆ ➢ⶎ㠦 㧻䂮 䞮⋮ 䞮⋮⓪ 㾲㏢䞲㦮 䅊䜾䕛 ㎇⓻ὒ Ⰲ㏢㓺⯒ 䙂䞾 䞮⓪ ἓ㤆Ṗ ╖⿖⿚㧊┺. 㯟, 㓺Ⱎ䔎 ▪㓺䔎⓪ ┺㦢ὒ ṯ㦖 䔏㰫㦒⪲ 㣪㟓♶ 㑮 㧞┺. 1) ὧ⻪㥚䞲 㰖㡃㠦 ㌊䙂 2) Ⱔ㦖 㑮 3) ⌄㦖 䅊䜾䕛 䕢㤢 ⹥ Ⰲ㏢㓺 㭒⼖㦮 㩫⽊⯒ 㑮㰧䞮⓪ 㓺Ⱎ䔎 ▪㓺䔎 㔲㓺䎲㦖 Ⱔ㦖 ἓ㤆 ⶒⰂ㩗 㥚䂮㠦 ➆⧒ 㥶㌂䞲 ◆㧊䎆⯒ 㑮㰧 䞲┺⓪ 䔏㎇㦚 Ṭ⓪┺. 㡞⯒ ✺㠊, ⁒ỆⰂ㠦 㥚䂮䞲 㡾☚, 㔋☚ ❇㦮 䢮ἓ 㑮㰧 ㎒㍲✺㦖 ゚㔍䞲 㡾☚, 㔋 ☚⯒ 㑮㰧䞶 ộ㧊Ⳇ, ⁒ỆⰂ㠦 㥚䂮䞲 ☯㧧 Ṧ㰖 ㎒ ㍲✺☚ ゚㔍䞲 㔲Ṛ㠦 ゚㔍䞲 ☯㧧㦚 㑮㰧䞶 䢫⮶㧊 ⏨┺. ➆⧒㍲ ⁒ỆⰂ㠦 㥚䂮䞲 ㎒㍲✺ Ṛ㦮 ◆㧊䎆⯒ ╖䚲䞶 㑮 㧞⓪ ◆㧊䎆⯒ ㍶㩫䞮Ệ⋮ Ἒ㌆䞾㦒⪲㖾 ◆㧊䎆㦮 䋂₆⯒ 㭚㧒 㑮 㧞┺. 䞮㰖Ⱒ ╖⿖⿚㦮 ㎒ ㍲✺㦖 ゚㣿, ὖⰂ ⹥ 㑮Ⰲ㦮 ⶎ㩲 ❇㦮 㧊㥶⪲ GPS 㢖 ṯ㦖 㥚䂮⯒ 㔳⼚䞶 㑮 㧞⓪ 㧻䂮✺㦚 䙂䞾䞮₆ 㠊⪋₆ ➢ⶎ㠦 㥚䂮 ₆⹮ ◆㧊䎆 㿫㏢ ⹿⻫㦚 ㌂㣿䞮 ₆ 㠊⪋┺. 㤆Ⰲ⓪ ⽎ 㡆ῂ⯒ 䐋䟊 GPS ❇㦮 㥚䂮 ㎒㍲⯒ 䙂 䞾䞮㰖 㞠⓪ ㎒㍲✺㦮 㓺Ⱎ䔎 ▪㓺䔎 䢮ἓ㠦 ┺㏢ ⏨ 㦖 䅊䜾䕛 ㎒㍲⯒ Ṭ⓪ Ⰺ⩞㧊 ▪㓺䔎 ❪⹪㧊㓺⯒ ㏢ ′⳾(㌗╖㩗)⪲ 䙂䞾㔲䋺ἶ 㧊⯒ 䐋䟊 ㎒㍲✺㦮 㥚䂮 ⯒ 㔳⼚䞾㦒⪲㖾 㥚䂮 ₆⹮ ◆㧊䎆 㿫㏢ ⹿⻫㦚 㑮䟟 䞶 㑮 㧞⓪ 㔲㓺䎲㦚 㩲㞞䞲┺. ⽎ ⏒ⶎ㦖 2 㧻㠦㍲ Ⰺ⩞㧊 ❪⹪㧊㓺⯒ 㩲㞞䞮⓪ ⏒ⶎὒ Ⰺ⩞㧊 ❪⹪㧊㓺㠦 ὖ䞲 Ṳ㣪⯒ ㏢Ṳ䞲┺. 3 㧻㠦㍲⓪ Ⰺ⩞㧊 ❪⹪㧊㓺⯒ 㧊㣿䞮㡂 ▪㓺䔎 ❪⹪㧊 㓺㦮 㥚䂮⯒ Ἒ㌆䞶 㑮 㧞⓪ ⹿⻫㠦 ὖ䟊 ㏢Ṳ䞮ἶ 4 㧻㠦㍲ 3 㧻㠦㍲ ㏢Ṳ䞲 Ἒ㌆㦚 䐋䟊 㥚䂮Ṗ Ἒ㌆♲ ❪⹪㧊㓺㦮 ◆㧊䎆 㿫㏢ ⹿⻫㦚 ㏢Ṳ䞲┺. ⊳㦒⪲ 5 㧻㠦㍲ ἆ⪶ὒ 䟻䤚 㡆ῂ㠦 ὖ䟊 㧊㟒₆䞲┺. 2. 庺崎決 娚愚決枪(Relay Devices)庂 磲穮穞垚 柢枪癢 Ⰺ⩞㧊 ▪㓺䔎 ❪⹪㧊㓺㦮 Ṳ⎦㦖 ㌂ⶒ 㧎䎆⎍ 䢮 ἓ㦮 㓺Ⱎ䔎 ▪㓺䔎 䢮ἓ㦚 㥚䞲 ἶ㏣ 䕾䌍 㻮Ⰲ 㔲 㓺䎲㦚 ┺⬾⓪ 㤆Ⰲ㦮 㧊㩚 㡆ῂ✺[5-7]㠦㍲ 䕾䌍 ἶ ㏣ 㻮Ⰲ⯒ 㥚䞲 ◆㧊䎆 㿫㏢⯒ 㥚䞲 Ṳ⎦㦒⪲ ㏢Ṳ♮

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㠞┺. 㧊㩚 㔲㓺䎲✺㠦㍲ Ⰺ⩞㧊 ❪⹪㧊㓺⓪ ▪㓺䔎 ❪⹪ 㧊㓺✺㦮 ◆㧊䎆⯒ 㑮㰧䞮㡂 㻮Ⰲ 㧻䂮✺⪲ 㡆ἆ䞮⓪ 㡃䞶㦚 㑮䟟䞾ὒ ☯㔲㠦 㻮Ⰲ 㔲 ◆㧊䎆⯒ 䞿䂮Ệ⋮ ㎒㍲ 㫛⮮㠦 ➆⧒ 䞿䂶 㑮 㧞⓪ ◆㧊䎆⯒ 䞿䂮⓪ ❇ 㦮 㧒⿖ ⼖䢮 㡃䞶㦚 㑮䟟䟞┺. 㧊㩚 㡆ῂ✺㦖 㥚䂮⯒ ₆⹮㦒⪲ 㑮㰧 ◆㧊䎆Ṗ 㥶 ㌂䞶 㑮 㧞┺⓪ Ṳ⎦㧊⋮ 㧊⯒ ₆⹮㦒⪲ 䞿䂮⩺⓪ 㔲 ☚Ṗ 㞚┢ ゚㔍䞲 㔲Ṛ㠦 ☚㹿䞲 ◆㧊䎆⯒ 䞿䂮⓪ ┺ ㏢ ┾㑲䞲 䡫䌲㦮 ◆㧊䎆 ⼧䞿㧊㠞┺. 㞚⧮ ⁎Ⱂ 1 㦖 ⽎ 㔲㓺䎲㠦㍲ Ⰺ⩞㧊 ❪⹪㧊㓺㦮 Ṳ⎦㩗 㥚䂮㢖 㔲㓺䎲㦮 ῂ㎇ 㣪㏢✺㦚 Ṛ⨋䧞 ⽊㧎 ┺. ڃ⁎ⰒٻڌڄٻⰊ⩞㧊ٻ▪㓺䔎ٻ❪⹪㧊㓺㦮ٻ㥚䂮ٻ⹥ٻ㓺Ⱎ䔎ٻ▪㓺 䔎ٻ㔲㓺䎲㦮ٻṲ㣪ٻ 3. 庺庺崎決 娚愚決枪 渂壊汞 氊獞 凊斶 㤆Ⰲ⓪ ▪㓺䔎 ❪⹪㧊㓺⽊┺ ㌗╖㩗㦒⪲ 䅊䜾䕛 䕢 㤢 ⹥ Ⰲ㏢㓺Ṗ Ⱔ㦖 Ⰺ⩞㧊 ❪⹪㧊㓺Ṗ ▪㓺䔎 ❪⹪ 㧊㓺㢖 㰗㩧㩗㦒⪲ 㡆ἆ♲┺⓪ 㩦㠦 㹿㞞䞮㡂 㭒⼖㦮 Ⰺ⩞㧊 ❪⹪㧊㓺㦮 㥚䂮⪲⿖䎆 ▪㓺䔎 ❪⹪㧊㓺㦮 㥚 䂮⯒ Ἒ㌆䞲┺. ❪⹪㧊㓺㦮 㥚䂮⯒ 㞢㞚⌊₆ 㥚䟊 ⶊ㍶ ㎒㍲ ⍺䔎 㤢䋂 䢮ἓ㠦㍲ ㌂㣿䞶 㑮 㧞⓪ 㼁⻞㱎 ⹿⻫㦖 ṗ☚⯒ 䐋䟊 㥚䂮⯒ 䁷㩫䞮⓪ ₆⻫㧊┺. 㧊⩆ ỆⰂ 䁷㩫 ₆ ⻫㦖 TOA [8], TDOA [9], AOA [10] ₆⻫㧊 㧞㦒Ⳇ 㧊⯒ 䐋䟊 ỆⰂ⋮ ṗ☚⯒ 㠑㦚 㑮 㧞┺. 㧊 ㎎Ṗ㰖 ⹿⻫㦖 ⳾⚦ 㔶䢎㦮 ṗ, 㔶䢎㦮 ☚㹿 㔲Ṛ 䁷㩫 ❇㦚 ㌂㣿䞮 㰖Ⱒ 㧊⯒ 㥚䟊 ㎒㍲㠦 ῂ㎇㣪㏢✺㧊 ⿖㹿♮Ệ⋮ 㑮 㔶㦚 㥚䞲 ⼚☚㦮 㧻䂮✺㦚 ῂ㎇䟊㟒䞲┺⓪ ⶎ㩲⯒ Ṗ㰖ἶ 㧞┺ [11]. ỆⰂ 㩫⽊⯒ ₆⹮㦒⪲ 㥚䂮⯒ 㧎㔳䞮⓪ Ἒ㌆ ⹿⻫ 㦒⪲ ㌒⼖䁷⨟㧊 㧞┺. ㌒⼖䁷⨟㦖 㥚䂮⯒ 㞢ἶ 㧞⓪ 3 Ṳ㦮 ⶊ㍶ ㎒㍲ ⏎✲(Ⰺ⩞㧊 ❪⹪㧊㓺)㢖 㞢ἶ㧦 䞮 ⓪ 㥚䂮(▪㓺䔎 ❪⹪㧊㓺)㦮 ỆⰂ 㩫⽊⯒ 䏶╖⪲ 㥚䂮 ⯒ Ἒ㌆䞲┺. ㌒⼖䁷⨟㦖 ┺㏢ 㡺㹾Ṗ ⹲㌳䞶 㡂㰖Ṗ 㧞㰖Ⱒ, Ⰺ⩞㧊 ❪⹪㧊㓺㢖 ▪㓺䔎 ❪⹪㧊㓺 Ṛ㦮 ゚ 䆮 (beacon)Ⱒ㦒⪲ 㥚䂮⯒ Ἒ㌆䞶 㑮 㧞┺⓪ 㧻㩦㧊 㧞㦒Ⳇ Ṛ┾䞲 㑮㔳Ⱒ㦒⪲ 㥚䂮⯒ Ἒ㌆䞶 㑮 㧞┺⓪ 㧻㩦㦚 㰖┢┺. 㤆Ⰲ⓪ 㩫䢫䞮ἶ ㎂㎎䞲 㥚䂮⽊┺⓪ ❪⹪㧊㓺 Ṛ㦮 ỆⰂṖ ◆㧊䎆⯒ 䞿䂶 㩫☚⪲ Ṗ₢㤊Ṗ 䞮⓪ 㩫⽊⯒ 䞚㣪⪲ 䞮₆ ➢ⶎ㠦 ㌒⼖䁷⨟㠦 㦮䞲 㥚䂮 Ἒ㌆㦚 㑮 䟟䞲┺. 㞚⧮ ⁎Ⱂ 2 ⓪ 㥚䂮⯒ 㞢ἶ 㧞⓪ 3 Ṳ㦮 䙂㧎䔎㢖 㥚䂮⯒ 㞢㰖 ⴑ䞮⓪ 1 䙂㧎䔎㠦 ╖䞲 㡞⯒ ⽊㧎┺. Known A Known B Known C Unknown P (55 (55 (55 ڃ⁎Ⱂٻڍڄٻ㞢⩺㰚ٻ⏎✲ٻڎ Ṳڃڦۉۊےۉٻڜڇٻڝڇٻڞڄ㢖ٻ㥚䂮⯒ٻ㞢㞚ٻ ⌊ἶ㧦ٻ䞮⓪ٻ⏎✲ٻڌ Ṳڃڰۉۆۉۊےۉٻګڄ㦮ٻ㡞㔲ٻ ⁎Ⱂ 2 㠦㍲ 㥚䂮⯒ 㞢ἶ 㧞⓪ Known A, B, C ⓪ ⽎ 㔲㓺䎲㦮 Ⰺ⩞㧊 ▪㓺䔎 ❪⹪㧊㓺㠦 ⰺ䞧♶ 㑮 㧞㦒 Ⳇ 㥚䂮⯒ 㞢㰖 ⴑ䞮⓪ Unknown P ⓪ ▪㓺䔎 ❪⹪㧊 㓺㠦 ⰺ䞧♶ 㑮 㧞┺. d1, d2, d3 ⓪ ṗṗ P 㦮 㔶䢎 ㎎₆ 㢖 ⰺ䞧♮㠊 A, B, C 㠦㍲ 䁷㩫♶ 㑮 㧞┺. ἆῃ ㌗㑶 䞲 ⼖㑮✺㦚 㧊㣿䞮Ⳋ ㎎ 㤦㦮 ᾦ㩦㦚 㺔㦚 㑮 㧞㦒 Ⳇ ṗ ᾦ㩦✺㦮 㭧㕂 㥚䂮Ṗ P 㦮 㥚䂮Ṗ ♲┺. ┺㏢㦮 㡺㹾⯒ 䙂䞾䞮⓪ ㌒⼖䁷⨟㦖 㧒⹮㩗㦒⪲ ⽊ 㩫 㑮㔳㦚 㧊㣿䞮㡂 ⽊┺ 㩫䢫䞲 㥚䂮⯒ Ἒ㌆䞲┺. 䞮㰖Ⱒ 㞚㭒 㩫䢫䞲 Ἒ㌆㧊 䞚㣪䞮㰖 㞠㦒Ⳇ, 㡂⩂ Ⰺ⩞㧊 ❪⹪㧊㓺⯒ ⽊㥶䞲 ㌗䢿㦚 Ṗ㩫䞮⓪ ⽎ 㔲㓺 䎲㦖 ⽊㩫 㑮㔳㦚 㧊㣿䞮₆ ⽊┺⓪ 㧊⹎ 㫊㨂䞮⓪ Ⰺ ⩞㧊 ▪㓺䔎㦮 Ṳ㑮⯒ 㧊㣿䞮㡂 ᾦ㩦㦚 ⽊┺ 㩫䢫䧞 ⽊㩫䞲┺. 㞚⧮ ⁎Ⱂ 3 㠦㍲ 㞢 㑮 㧞❅ 㔶䢎⯒ Ṧ㰖䞲 Ⰺ⩞ 㧊 ❪⹪㧊㓺㦮 㑮Ṗ ⓮㠊⋶㑮⪳ 㔺㩲 㥚䂮Ṗ ⽊┺ 㩫 䢫䞲 㥚䂮⪲ ⽊㩫♾㦚 㞢 㑮 㧞┺.

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ڃ⁎Ⱂٻڎڄٻ㡂⩂ٻⰊ⩞㧊ٻ❪⹪㧊㓺㠦ٻ㔶䢎⯒ٻ㩚╂䞮⓪ٻ▪㓺䔎ٻ ❪⹪㧊㓺ٻ㡞㔲ٻ 4. 氊獞 匶愞 塶決瘶 犛暒 柢枪癢 Ⰺ⩞㧊 ❪⹪㧊㓺 㭒☚㦮 㥚䂮 ₆⹮ ◆㧊䎆 㿫㏢ ⹿ ⻫㧊 㩗㣿♲ 㔲㓺䎲㦖 㼁⻞㱎 ┾Ἒ㠦㍲ ṗ ▪㓺䔎 ❪ ⹪㧊㓺㦮 㥚䂮⯒ ㌗㑶䞲 ⹪㢖 ṯ㧊 Ἒ㌆䞲┺. 㥚䂮Ṗ ἆ㩫♲ ❪⹪㧊㓺✺㦖 ☯㫛㦮 ❪⹪㧊㓺Ṗ Ṗ㧻 Ⱔ㧊 㡆ἆ♶ 㑮 㧞⓪ Ⰺ⩞㧊 ❪⹪㧊㓺⪲ ◆㧊䎆⯒ ㏷㔶䞲 ┺. ⚦⻞㱎 ┾Ἒ㠦㍲⓪ ⁎⭏䢪⯒ 㰚䟟䞲┺. 㞚⧮ ⁎Ⱂ 4 ⓪ ⁎⭏䢪 㩚㦮 Ⰺ⩞㧊/▪㓺䔎 ❪⹪㧊 㓺✺ὒ ⁎⭏䢪 䤚㦮 Ⰺ⩞㧊/▪㓺䔎 ❪⹪㧊㓺✺㦚 ⽊ 㧎┺. ڃ⁎Ⱂٻڏڄٻ⁎⭏䢪ٻ㩚ڃ㫢ڄ㦮ٻ❪⹪㧊㓺✺ὒٻ⁎⭏䢪ٻ䤚ڃ㤆ڄ㦮ٻ ❪⹪㧊㓺✺ ⁎Ⱂ 4 㦮 ⿟㦖㌟ 䚲㔲⓪ Ⰺ⩞㧊 ❪⹪㧊㓺⯒ 㦮⹎ 䞮Ⳇ, 㭒䢿㌟, ⏎⧖㌟㦖 ㍲⪲ ┺⯎ 㫛⮮㦮 ▪㓺䔎 ❪ ⹪㧊㓺⯒ 㦮⹎䞲┺. ṗṗ㦖 Ṗ㧻 Ṗ₢㤊 Ⰺ⩞㧊 ❪⹪ 㧊㓺⪲ 㡆ἆ♲┺. 㧊 ➢, ἓ㤆㠦 ➆⧒ 㡆ἆ♮⓪ Ⰺ⩞ 㧊 ❪⹪㧊㓺⯒ ⼖ἓ䞶 㑮 㧞┺. 㡞⯒ ✺㠊, 㞚⧮ ⁎Ⱂ 5 㠦 䚲㔲♲ 㭒䢿㌟ ▪㓺䔎 ❪⹪㧊㓺⓪ ỆⰂ㌗ 䞮┾ 㦮 Ⰺ⩞㧊 ❪⹪㧊㓺㠦 㡆ἆ♮㠊㟒 䞮㰖Ⱒ, 䢒㧦 㡆ἆ ♶ ἓ㤆 ◆㧊䎆㦮 㿫㏢ 䣾ὒ⯒ ⑚Ⰲ₆ 䧮✺₆ ➢ⶎ㠦 㤆䁷㦮 Ⰺ⩞㧊 ❪⹪㧊㓺⪲ 㡆ἆ♲┺. 㧊 ゚㥾㦖 ㌗╖ 㩗㧒 㑮 㧞┺. ➆⧒㍲ ⽎ 㔲㓺䎲㦖 ṯ㦖 㫛⮮㦮 ▪ 㓺䔎 ❪⹪㧊㓺㦮 ゚㥾㧊 ⏨㦖 Ⰺ⩞㧊 ❪⹪㧊㓺⯒ 㤆 ㍶ ἶ⩺䞮☚⪳ ㍺Ἒ♲┺. ڃ⁎Ⱂٻڐڄٻ㿫㏢㥾㦚ٻἶ⩺䞲ٻ▪㓺䔎ٻ❪⹪㧊㓺㦮ٻ㡆ἆٻ ⁎Ⱂ 4 㦮 㤆䁷㦮 ⁎Ⱂὒ ṯ㧊 Ⰺ⩞㧊 ❪⹪㧊㓺㠦 㡆ἆ♲ ▪㓺䔎 ❪⹪㧊㓺✺㦖 ṗ 㥚䂮㠦㍲ 㩫⽊✺㦚 㑮㰧䞮㡂 Ⰺ⩞㧊 ❪⹪㧊㓺⪲ 㩚㏷䞲┺. 㧊⯒ 㑮㔶䞲 Ⰺ⩞㧊 ❪⹪㧊㓺⓪ ㎎⻞㱎 ┾Ἒ㧎 ◆㧊䎆 㿫㏢ ┾Ἒ ⯒ 㑮䟟䞲┺. ◆㧊䎆 㿫㏢ ┾Ἒ㠦㍲⓪ ṯ㦖 㫛⮮㦮 ▪㓺䔎 ❪⹪㧊㓺Ṗ ṯ㦖 Ⰺ⩞㧊 ❪⹪㧊㓺⪲ ㏷㔶䞲 ◆㧊䎆✺㦮 䘟‶㦚 Ἒ㌆䞮㡂 1 Ṳ㦮 䘟‶ ◆㧊䎆 Ṩ Ⱒ㦚 ㍲⻚⪲ 㩚㏷䞲┺. 㯟, ⁎Ⱂ 4 㦮 㤆䁷 ⁎Ⱂ㠦㍲ ṗ Ⰺ⩞㧊 ❪⹪㧊㓺 㧒⹮㩗㧎 㔲㓺䎲㧒 ἓ㤆 12 Ṳ㦮 ◆㧊䎆⯒ 㩚㏷䞮㰖Ⱒ, ṗṗ 㾲╖ 2 Ṳ㦮 ◆㧊䎆⯒ ㏷ 㔶䞮㡂 6 Ṳ㦮 ◆㧊䎆Ⱒ㦚 ㏷㔶䞮ἶ 䘟‶ 50% (❪⹪㧊 㓺 㫛⮮㦮 㑮Ṗ Ⱔ㞚 㰞㑮⪳ 㭚㠊❂) ◆㧊䎆⯒ 㿫㏢ 䞶 㑮 㧞┺. 5. 冶嵦 愕 窫篊 櫶割 㤆Ⰲ⓪ ⽎ ⏒ⶎ㠦㍲ 㓺Ⱎ䔎 ▪㓺䔎 䢮ἓ㠦㍲ 㥚䂮 㠦 ╖䟊 㞢 㑮 㠜⓪ ▪㓺䔎 ❪⹪㧊㓺㦮 㥚䂮⯒ Ἒ㌆ 䞮ἶ 㧊⯒ 㧊㣿䞮㡂 㩚㏷ ◆㧊䎆㦮 䋂₆⯒ 㭚㧒 㑮 㧞⓪ 㥚䂮 ₆⹮ ◆㧊䎆 㿫㏢ 㔲㓺䎲㦚 㩲㞞䟞┺. 㤆Ⰲ⓪ 㥚䂮⯒ 㺔₆ 㥚䟊 ㌒⼖䁷⨟㦚 ㌂㣿䞮㡂 㥚 䂮⯒ ἆ㩫䟞㦒Ⳇ ◆㧊䎆 䐋䞿㦚 㥚䟊 䘟‶Ṩ㦚 䀾䞮 ⓪ ⹿⻫㦚 ㌂㣿䟞┺. ⽎ 㔲㓺䎲㦖 ㌒⼖䁷⨟㦮 㡺㹾⯒ ⽊㩫䞮₆ 㥚䟊 Ⱔ㦖 㑮㦮 Ⰺ⩞㧊 ❪⹪㧊㓺Ṗ 䡧☯䞮 㰖Ⱒ 㩗㦖 㑮㦮 Ⰺ⩞㧊 ❪⹪㧊㓺Ṗ 㧞⓪ 䢮ἓ㠦 ╖䟊 㥶㡆䞮Ợ ╖㻮䞶 㑮 㧞⓪ 㔲㓺䎲㠦 ╖䞲 㡆ῂ, Ṳ⹲ 㧊 䞚㣪䞮┺. ⡦䞲, 㑮䂮 ◆㧊䎆㠦Ⱒ 㩗㣿 Ṗ⓻䞲 䘟 ‶Ṩ ⽊┺ 䒂䚲 ⹿㔳ὒ ṯ㦖 ゚㑮䂮㩗 ◆㧊䎆㠦 㩗㣿 Ṗ⓻䞲 ╖䚲 Ṩ 䀾✳ ⹿㔳㠦 ὖ䞲 㡆ῂ, Ṳ⹲㧊 䞚㣪 䞮┺. 㧊 ⏒ⶎ㦖 2020 ⎚☚ 㩫⿖(ᾦ㥷⿖)㦮 㨂㤦㦒⪲ 䞲ῃ 㡆ῂ㨂┾㦮 㰖㤦㦚 ⹱㞚 㑮䟟♲ ₆㽞㡆ῂ㌂㠛㧚 (No. NRF-2018R1D1A1B07043982). 焾処怾竒

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