What is 5G frame structure?

PHY layer sits at the bottom of the 5G NR protocol stack, interfacing to MAC sublayer higher up via transport channels . It provides its services to MAC and is configured by RRC . PHY supports downlink ( gNB -to- UE ), uplink ( UE -to- gNB ) and sidelink ( UE -to- UE ) communications.

5G NR Numerology – Subcarrier Spcaing (SCS)

A frame has duration of 10 ms which consists of 10 subframes having 1ms duration each similar to LTE technology . Each subfame can have 2μ slots. Each slot typically consists of 14 OFDM symbols.