Table 2 Subband size (S) vs. system bandwidth for subband level feedback
From: Adaptive CSI and feedback estimation in LTE and beyond: a Gaussian process regression approach
System bandwidth | Subband size |
|---|---|
\(N_{\textit {PRB}}^{DL}\) | (S) |
6–7 | NA |
8–10 | 4 |
11–26 | 4 |
27–63 | 6 |
64–110 | 8 |