removing 6db power boost of pdcch dmrs

80d286b6 · Francesco Mani · 5a9329d1 · 80d286b6
Commit 80d286b6 authored 5 years ago by Francesco Mani
--- a/openair1/PHY/NR_TRANSPORT/nr_dci.c
+++ b/openair1/PHY/NR_TRANSPORT/nr_dci.c
@@ -295,8 +295,8 @@ uint8_t nr_generate_dci_top(nfapi_nr_dl_tti_pdcch_pdu *pdcch_pdu,
      for (int m=0; m<NR_NB_SC_PER_RB; m++) {
 	if ( m == (k_prime<<2)+1) { // DMRS if not already mapped
 	  if (pdcch_pdu_rel15->CceRegMappingType == NFAPI_NR_CCE_REG_MAPPING_NON_INTERLEAVED) {
-	    ((int16_t *)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1]       = (2*amp * mod_dmrs[l][dmrs_idx<<1]) >> 15;
-	    ((int16_t *)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = (2*amp * mod_dmrs[l][(dmrs_idx<<1) + 1]) >> 15;
+	    ((int16_t *)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1]       = (amp * mod_dmrs[l][dmrs_idx<<1]) >> 15;
+	    ((int16_t *)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = (amp * mod_dmrs[l][(dmrs_idx<<1) + 1]) >> 15;
 #ifdef DEBUG_PDCCH_DMRS
 	    printf("PDCCH DMRS: l %d position %d => (%d,%d)\n",l,k,((int16_t *)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1],
 		   ((int16_t *)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1)+1]);