CPC H04B 7/0417 (2013.01) [H04B 7/0478 (2013.01); H04B 7/0486 (2013.01); H04B 7/065 (2013.01); H04B 7/0626 (2013.01); H04B 7/0639 (2013.01); H04B 7/0658 (2013.01)] | 20 Claims |
1. A method of operation of a second node connected to a first node in a wireless communication network, comprising:
reporting Channel State Information, CSI, feedback to the first node on a physical channel by:
identifying a subset of codebook entries from an advanced CSI codebook of coefficients by subsampling an index corresponding to a subband codebook W2;
selecting a codebook entry from the subset of codebook entries; and
reporting an index of the selected codebook entry from the subset of codebook entries.
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