In this video, I explain how operators moved from 4G to 5G, why Non-Standalone (NSA) was the first step, and how Standalone (SA) unlocks full 5G power. You’ll also learn about Dual Connectivity, EN-DC, NR-DC, and how phones use two networks at once for faster, more reliable data.
▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬
0:00 Introduction & Ripple Analogy
0:27 Non-Standalone 5G
0:58 EN-DC
1:48 Dual Connectivity
2:00 Stansalone 5G
2:20 Data transfer from two Base Stations (NR-DC)
2:44 PDCP layer split data to multiple RLC
3:03 Summary
3:17 Master Node & Secondary Node
3:25 Real sites of Dual Connectivity
Learn more at: www.WirelessExplained.com/dual-connectivity
References:
[1] Textbook “5G New Radio in Bullets” by Chris Johnson
Keywords: Dual Connectivity, 5G NSA, 5G SA, EN-DC, NR-DC, 4G to 5G transition, PDCP layer, Master node, Secondary node, 5G architecture, 5G deployment scenarios, 5G technology basics