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OpenXG-RAN
Commit 2d6990e6 authored by Raymond Knopp's avatar Raymond Knopp
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PTRS modulation is ok

parent bf2e231c
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Showing with 4 additions and 3 deletions
openair1/PHY/NR_TRANSPORT/nr_dlsch.c
View file @ 2d6990e6
......@@ -351,6 +351,7 @@ uint8_t nr_generate_pdsch(processingData_L1tx_t *msgTx,
ptrs_symbol = is_ptrs_symbol(l,dlPtrsSymPos);
if(ptrs_symbol) {
/* PTRS QPSK Modulation for each OFDM symbol in a slot */
printf("Doing ptrs modulation for symbol %d, n_ptrs %d\n",l,n_ptrs);
nr_modulation(pdsch_dmrs[l][0], (n_ptrs<<1), DMRS_MOD_ORDER, mod_ptrs);
}
}
......@@ -390,14 +391,14 @@ uint8_t nr_generate_pdsch(processingData_L1tx_t *msgTx,
txdataF_precoding[ap][((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)] = (beta_ptrs*amp*mod_ptrs[ptrs_idx<<1]) >> 15;
txdataF_precoding[ap][((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)] = (beta_ptrs*amp*mod_ptrs[(ptrs_idx<<1) + 1])>> 15;
#ifdef DEBUG_DLSCH_MAPPING
printf("ptrs_idx %d\t l %d \t k %d \t k_prime %d \t n %d \t txdataF: %d %d\n",
printf("ptrs_idx %d\t l %d \t k %d \t k_prime %d \t n %d \t txdataF: %d %d, mod_ptrs: %d %d\n",
ptrs_idx, l, k, k_prime, n, ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)],
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)]);
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)],mod_ptrs[ptrs_idx<<1],mod_ptrs[(ptrs_idx<<1)+1]);
#endif
ptrs_idx++;
}
/* Map DATA Symbol */
else if( allowed_xlsch_re_in_dmrs_symbol(k,start_sc,frame_parms->ofdm_symbol_size,rel15->numDmrsCdmGrpsNoData,dmrs_Type)) {
else if( ptrs_symbol || allowed_xlsch_re_in_dmrs_symbol(k,start_sc,frame_parms->ofdm_symbol_size,rel15->numDmrsCdmGrpsNoData,dmrs_Type)) {
txdataF_precoding[ap][((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)] = (amp * tx_layers[ap][m<<1]) >> 15;
txdataF_precoding[ap][((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)] = (amp * tx_layers[ap][(m<<1) + 1]) >> 15;
#ifdef DEBUG_DLSCH_MAPPING
......
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