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Commit 45d09bb5 authored by Sakthivel Velumani's avatar Sakthivel Velumani
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PDCCH DMRS now has same amplitude as DCI

parent 0a19a8e3
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Showing with 4 additions and 4 deletions
openair1/PHY/NR_TRANSPORT/nr_dci.c
View file @ 45d09bb5
...@@ -276,8 +276,8 @@ uint8_t nr_generate_dci_top(NR_gNB_PDCCH pdcch_vars, ...@@ -276,8 +276,8 @@ uint8_t nr_generate_dci_top(NR_gNB_PDCCH pdcch_vars,
k = cset_start_sc + 1; k = cset_start_sc + 1;
while (dmrs_idx<3*pdcch_params.n_rb) { while (dmrs_idx<3*pdcch_params.n_rb) {
((int16_t *)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1] = ((amp>>1) * mod_dmrs[l][dmrs_idx<<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>>1) * mod_dmrs[l][(dmrs_idx<<1) + 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 #ifdef DEBUG_PDCCH_DMRS
printf("symbol %d position %d => (%d,%d)\n",l,k,((int16_t *)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1], printf("symbol %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]); ((int16_t *)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1)+1]);
...@@ -314,8 +314,8 @@ uint8_t nr_generate_dci_top(NR_gNB_PDCCH pdcch_vars, ...@@ -314,8 +314,8 @@ uint8_t nr_generate_dci_top(NR_gNB_PDCCH pdcch_vars,
for (int m=0; m<NR_NB_SC_PER_RB; m++) { for (int m=0; m<NR_NB_SC_PER_RB; m++) {
if ( m == (k_prime<<2)+1) { // DMRS if not already mapped if ( m == (k_prime<<2)+1) { // DMRS if not already mapped
if (pdcch_params.precoder_granularity == NFAPI_NR_CSET_SAME_AS_REG_BUNDLE) { if (pdcch_params.precoder_granularity == NFAPI_NR_CSET_SAME_AS_REG_BUNDLE) {
((int16_t *)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1] = ((amp>>1) * mod_dmrs[l][dmrs_idx<<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>>1) * mod_dmrs[l][(dmrs_idx<<1) + 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 #ifdef DEBUG_PDCCH_DMRS
printf("l %d position %d => (%d,%d)\n",l,k,((int16_t *)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1], printf("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]); ((int16_t *)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1)+1]);
......
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