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94ÆäÀÌÁö ³»¿ë : requirements for 5G cyber-physical control applications in vertical domains ?¼ë? ??리ë??????. TS22.104?? ê³µì?? ???°ê³¼ ????ì§? ?°ì?? ë¶??¼ì?????? ?¬ì?´ë? 물리 ???? ë¶??¼ë?? ë¶??????? ???¤ì??´ì?¤ë?? ?? ????ê³? ?´ì?? ?????? ??ë¹??? ??구ì?¬í???? ??리í??????. ?????????? ?¬ì?´ë? 물리 ???´ë?? ê°?ë°©í?? ???? ?? ?? open-loop control , ?????? ???? ???? closedloop control , ??ì°? ???? sequence control 그리ê³? ?¼ê? ???? batch control ???? ?¨í?´ì?? ê°?ì§?ê³? ????. ?°ì??ë¶??¼ì?? ???????? ???©ë???? ?µì???? ?¬ì?´ë? ë¬? ë¦? ???? ??ë¹??¤ë?? ì§?????ê¸? ???? ê·¹ë???? ?????±ì?? ??구ë??ë©?, ???? ?°ë?? ì¢??? ê°? ì§??°ì??ê°??? ê·¹ë??ë¡? ?? ê²? ì§??????´ì?? ??ë©?, ?? ê³¼ì?????? ?¹ì???? ?µì?? ?¨í?? ?? ?°ë¥¸??. ê°??? ???????? ?µì?? ?¨í?´ì?? 주기???? ê²? ???? ?µì?? periodic deterministic communication ?´ë©°, ?? ë°??? ë¹?주기?? ê²°ì???? ?µì?? a-periodic deterministic communication ê³? ë¹?ê²°ì???? ?µì?? non-deterministic communication ?? ????. ?? 2 ?? ?? ì¤? 주기???? ê²°ì???? ?µì?? ??ë¹??? ?±ë?? ??구ì?¬í???? ??리í?? ?? ì¤? ?¼ë?ë¥? ?¸ì?©í?? ê²??´ë??. ?? ?? TS22.104???? 미ë?? ê³µì?? ?°ì???????? ???? ???? ???¤ì??´ì?¤ì?? ???? ë¶????? ë¶?ë¡??? ?¬í?¨í??ê³? ???? ?? ?? ???? ??ë¥? ?´í?´í???? ?? ë§??? ?????? 주ê? ????. 4. ?¬ì?? ì§????? ???? ì½??? ?¤í?¸ì???? ??ì¤? ???? 3GPP?? ê³µì?¥ë? ?????? ?¤ì???? ?°ì???? ??ë¡??? ?? ?? 모ë?¸ê³¼ ??ë¹??? ì§????? ???? ì½??? ?¤í?¸ì???? ê¸? ?¥ì?? ?¥ì????ì¼? ????. ?¤í?¸ì???? ?µì?¤í?¬ì?? Network exposure , ??ì§? ì»´í?¨í?? edge computing 그리ê³? ?¤í?¸ì???? ?¬ë?¼ì?´ì?? network slicing ?±ì?? ?´ì?? ?? ?¹í????. 기존 ?´ë???µì?? ???¤í???? ?¨ë??????? APIë¥? ?µí?? ê°?ë°????¤ì?? ?¤ì???? ?±ì?? ê°?ë°???ê³? ??ê³µí?? ?? ??ê²? ??ë©´ì?? ?¤ë??¸í?°ì?? ???????? ë³???ë¥? ê°??¸ì????. ?´ì?? 5G?? ?°ì?????? ???©ì?? ???? ?¨ë??????? APIë¿? ?? ???? ?¤í?¸ì???? ??ì²´ì?????? APIë¥? ?µí?? ?´ë???µì?? ?? ?¸ì???¬ë?? ???©í?? ?? ????ë¡? 기ë?¥ì?? ??ê³µí??ê³? ???? ë©?, 5G ???¤í?????? ?´ë?? NEF Network Exposure Function ë¡? ??ì¤?????????. NEF?? ?´ë²¤?? ?µì?¤í?? ??, PFD ê´?ë¦?, 백그?¼ì?´ë?? ?°ì?´í?? ???¡ì?? ???? ???? ê´?ë¦?, ?? ?¸ë¦¬ê±°ë? ?±ì?? 기ë?¥ì?? TS29.122[12]?? ???? Factory automation Process automation HMIs and Production IT Logistics and warehousing Monitoring and maintenance Motion control ? Control ?? to control ? ? Mobile control panels with safety ? Mobile robots ? ? ? Massive wireless sensor networks ? ? ? Remote access and maintenance ? Augmented reality ? Closed-loop process control ? Process Monitoring ? Plant asset management ? ?? 1 Mapping of the considered use cases to application areas T T A J o u r n a l v o l 1 8 592

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95ÆäÀÌÁö ³»¿ë : 5G ?¤í?¸ì???? 구조???? ?????? ì§??? ?¼ì?°í??ê³? ?¸ë?? ?? ?¤í?°ì?´ë? local routing and traffic steering , ?? ?¸ì???? ?´ì?? ë³µì??ê°? UP ?¬ì?©ì?? ??????, User Plane ì¤? ?????? UPë¥? ?????? ?? ???? 기ë??, SSC modeë¥? ?µí?? ?????? ?¤ì???? ?´ë???? ì§???, AF Application Function ë¥? ?µí?? ?¸ë???? ?¼ì?°í?? ???? 기ë?¥ê³¼ ??ê¸? ?¸ê??? ?¤í?¸ì???? ?µì?¤í?¬ì?? 기ë?¥ì?? ???? 구í??????. ?´ì?? ê°??? 구조ë¥? ?µí?? 3GPPê°? 5G?? ?¨ê? ?????? ??ë¹??? 기ë? ?¤í?¸ì???? 구조?? ???°ì?±ê³¼ ???¥ì?±ì?? ì¶? ë¶??? ???©í?? ?? ???¼ë©°, ?µì?¤í?¬ì??, ?¬ë?¼ì?´ì?? ?? 기í?? ?¬ì?? ì§??? 기ë?¥ê³¼?? ???? ????ì§?ë¥? ë°????? ?? ????. ?¤í?¸ì???? ?¬ë?¼ì?´ì?¤ë?? ?¬ì?? 목ì??/ê³?ê°? 목ì???? ?¬ì?? ??ê¸? ???? ?????? ?¤í?¸ì???? ?????? 모ì?? 구ì?±ë?? ë¡? ì§?ì»? ?¤í?¸ì???¬ë???, ?¤í?¸ì???? ????ê³? 기ë?¥ì?? ?¬ë?¼ì?? ?? ê°??? ??립ì???¼ë? ?´ì??????ë¡? ?¨ë???¨ì?¼ë? 구ì?±ë?? ?¤í?¸ì???¬ë?? ??미í????. ?´ë?? ê³µì?¥ì?? ê²½ì?°ì?? ???©í?? ë³? ë©?, ?´ë???µì?? ?¬ì?????? ê³µì?¥ê³¼?? ê³??½ì?? ?°ë?? ê°? ê³? ?¥ì???? ????ë¡? ???? 기ë?¥ê³¼ ?±ë?¥ì?? ??ê³µí??ê¸? ???? ?¤í?¸ì???? ?¬ë?¼ì?´ì?¤ë?? 구ì?±í???? ??ë¹??¤ë?? ??ê³µí??ê²? ???? ???¼ë©°, AF Application Function ë¥? ?µí?? ?? ???? ?¼ì?°í?? ???? 기ë?¥ë?? NEF?? ???¤ì??´ì?¤ë? ë³? ?? ???¼ë©°, ?´ë?? TS29.522[13]?? ???????? ????. ?? ?? 2?????? ?¸ê??? ê²?ì²??? ?????? ê³µì?¥ì?? 구ì??? ?? ?°ì???? 5G NR 기ì??ë¿? ?????? NB-IoT, LTE-M, LTE ?±ì?? 기ì???? ?¨ê? ???©ë???´ì?? ????. ?´ë?? ?´ì???? ?? LTE ?¤í?¸ì???¬ì?????? ?¤í?¸ì???? ?µì?¤í?¬ì?? 기ë?¥ì?? ?????????¼ë©°, SCEF Service Capability Exposure Function ?¼ë?? ?´ë??¼ë? TS23.682[14]???? ???????? Non-IP ?°ì?´í?°ì?? ????, ?¨ë? ?´ë²¤?? 모ë???°ë?, ?¤í?? ???? QoS ê´?ë¦?, ?? ??ì²??? ?°ë¥¸ ?°ê²° ê´?ë¦? ?±ì?? ê¸? ?¥ì?? ??????????. ??ì§? ì»´í?¨í???? ê³µì?¥ì?????? ??ì§??? ??구ì?¬í??ê³? ?? ?´í?°ì?? ê³µì?? ?? ë³´ì?? ??ì§? ??구ì?¬í?? ?±ì?? ë§?족ì???? ?? ???? ê³µì?? 구ì?±ì?? ?µì?? 기ì?? ?????´ë??. 3GPP???? ?? ê³µì?? ?? ?¬ì?´í?? local site ?? UPFë¥? ??ê³? ê³µì?? ?? ???¤í?? local service network ?? ?°ê²°???¤ë?? 구조ë¥? ì·¨í??ê³? ????. ?´ë?? 3GPP???? ?????? ?°ì?´í?°ì?? 컨í?? 롤ì?? ë¶?리ë?? ?¤í?¸ì???? 구조?´ê¸°?? ê°??¥í?? 구조?´ë??. ?¹ì?? ???¼ë?¸í?? characteristic parameter ???¥ì???? influence quantity ?µì?? ??ë¹??? ê°??©ì?±ëª©??ì¹? ?µì?? ??ë¹??? ??뢰ë???¤ë??? ?¤ë? ?¬ì?´ì?? ??ê·? ??ê°? ?¨ë???? ì§??°ì??ê°?ìµ???ì¹? ë©???ì§? ?¬ê¸° [byte] ???? ê°?격목??ì¹? ??ì¡´ì??ê°? 기í?? 99,999% to 99,99999% 10?? interval value transfer 50 500μs 500μs ??ì§??? ???? 99,9999% to 99,999999% 10?? interval value transfer 20 2ms 2ms ??ì§??? ???? 99,9999% to 99,999999% 10?? interval value transfer 1k ?? 10ms 10ms ??ì§??? ???´ì???? ???´ê? ?µì?? 99,9999% 10?? transfer interval value 40 to 250 ms note 6,7 1ms to 50 interval value transfer ?´ë???? ë¡?ë´? 99,9999% to 99,999999% 1?? interval value transfer 40 to 250 4ms to 8ms interval value transfer ?´ë???? ???? ?¨ë??-??ê²? ???? 조립 ë¡?ë´?, ë°?ë§? 머ì?? 99,9999% to 99,999999% ?? 1?? interval value transfer 20 ?? 10ms 0 ??ë¡??¸ì?? ??????-???? 루í?? ???? ?? 2 주기???? ê²°ì???? ?µì?? ??ë¹??? ?±ë?? ??구ì?¬í?? 2 0 1 9 S E P T E M B E R + O C T O B E R93

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