live_energy
2020-08-28, 07:51 PM
3GPP R12 introduce the higher order modulation scheme 256QAM ( Quadrature Amplitude Modulation) in DL , with 8bits per symbol .
The DL efficiency gain is up to 33% in theory ( vs. 64QAM in the same high radio condition).
The DL efficiency gain is up to 33% in theory ( vs. 64QAM in the same high radio condition).