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IEEE/ICACT20230137 Slide.05        [Big Slide]       [YouTube]	Oral Presentation
	ns-3 is a representative tool for 5G NR mobile communication network simulation. In the 5G LENA project, ns-3 provides some of the 5G NR functions up to the latest 3GPP standard Rel-15, enabling simulation based on more recent standards. However, even in the 5G LENA project, the RRC layer reuses the RRC provided by the existing LTE, so RRC for the latest 5G NR cannot be used. In this paper, we implemented 5g nr initial access process and evaluate performance using the Ns-3 simulation, it was found that the 5G NR-based RRC we implemented is able to achieve an RRC connected state more quickly than LTE.

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