Skip to main content

Table 1 Comparison of the computational payload for codebook design approach

From: Low complexity precoding codebook design based on DFRST for limited feedback precoded OSTBC systems

MIMO Feedback DFT DFRST CCRR
4×4 2 bits 768 192 75%
  4 bits 983,040 61,440 93.75%
  6 bits 1.057×109 1.652×107 98.44%
6×6 2 bits 12,288 3072 75%
  4 bits 2.517×109 1.573×107 93.75%
  6 bits 4.329×1012 6.765×1010 98.44%
8×8 2 bits 196,608 49,152 75%
  4 bits 6.443×1010 4.027×109 93.75%
  6 bits 1.773×1016 2.771×1014 98.44%