Research Article
Energy-Efficient Hybrid Precoding Scheme Based on Antenna Selection Technology in Massive Multiple-Input Multiple-Output Systems
Input: Channel matrix H, analog beamforming codebook , the number of RF chains | Initialization: | 1: for do | 2: while do | 3: User feed back the index of codebook vector ri to BS. BS finds corresponding vector from codebook and setting as the ith column of FRF, that is | 4: | 5: end while | 6: | 7: end for |
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