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박옥선,김석기,박기윤,신우람,신재승,Park, O.S.,Kim, S.K.,Park, G.Y.,Shin, W.R.,Shin, J.S. 한국전자통신연구원 2019 전자통신동향분석 Vol.34 No.6
The fifth generation (5G) wireless technology is expected to be the trigger for the fourth industrial revolution. In particular, 5G ultra reliable low latency communication (URLLC) is expected to lead the wireless automation in vertical domains. In this paper, we analyze use cases, key metrics, and physical layer technologies for 5G URLLC standardized in $3^{rd}$ Generation Partnership Project Radio Access Network (3GPP RAN). Additionally, we discuss enabling RAN technologies towards beyond 5G to support high reliability and low latency.