Option 3 Introduction The initial deployments of 5G services are based on 5G NSA, also called option-3. The variants of option-3 are option-3, option-3a and option-3x. Option-3/3a/3x is transparent to MME and P-GW and translates to an E-RAB modification procedure at MME. Option-3: Traffic is split across 4G and 5G at eNodeB. Option-3a: Traffic is […]