New Radio (NR),5G NR Frame Structure,Orthogonal Frequency Division Multiplexing (OFDM),OFDM numerology,Variable sub-carrier bandwidth,Variable Guard interval,Sub-carrier spacing (SCS),Sub-carrier bandwidth,OFDM symbol duration,Cyclic prefix,Extended cyclic prefix,Discrete Fourier Transform (DFT),Inverse DFT (IDFT),Frame,Sub-frame,Slot,3rd generation partnership project (3GPP),Backward compatibility,Resource element,Resource blocks,Resource grid,Ultra Reliable Low Latency Communication (URLLC),