removed division by num_antenna_ports in PDSCH precoding matrix generation....

removed division by num_antenna_ports in PDSCH precoding matrix generation. These matrices are defined for CSI reporting in this way but here we are using them for transmission and this results in an unwanted 10*log10(num_antenna_ports) reduction in transmit power

openair2/LAYER2/NR_MAC_gNB/config.c

@@ -136,7 +136,7 @@ int precoding_weigths_generation(nfapi_nr_pm_list_t *mat,
               double complex res_code;
               for (int i_rows = 0; i_rows < N1 * N2; i_rows++) {
                 nfapi_nr_pm_weights_t *weights = &mat->pmi_pdu[pmiq].weights[j_col][i_rows];
-                res_code = sqrt(1 / (double)(L * num_antenna_ports)) * v_lm[llc][mmc][i_rows];
+                res_code = sqrt(1 / (double)L) * v_lm[llc][mmc][i_rows];
                 c16_t precoder_weight = convert_precoder_weight(res_code);
                 weights->precoder_weight_Re = precoder_weight.r;
                 weights->precoder_weight_Im = precoder_weight.i;
@@ -153,7 +153,7 @@ int precoding_weigths_generation(nfapi_nr_pm_list_t *mat,
               }
               for (int i_rows = N1 * N2; i_rows < 2 * N1 * N2; i_rows++) {
                 nfapi_nr_pm_weights_t *weights = &mat->pmi_pdu[pmiq].weights[j_col][i_rows];
-                res_code = sqrt(1 / (double)(L * num_antenna_ports)) * (phase_sign)*theta_n[nn] * v_lm[llc][mmc][i_rows - N1 * N2];
+                res_code = sqrt(1 / (double)L) * (phase_sign)*theta_n[nn] * v_lm[llc][mmc][i_rows - N1 * N2];
                 c16_t precoder_weight = convert_precoder_weight(res_code);
                 weights->precoder_weight_Re = precoder_weight.r;
                 weights->precoder_weight_Im = precoder_weight.i;