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DMRS index update

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This commit is contained in:
Guy De Souza
2018-08-21 15:56:14 +02:00
parent bdbec1ba64
commit 69ec0ddd8c
1 changed files with 2 additions and 1 deletions
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openair1/PHY/NR_TRANSPORT/nr_dci.c
+2 -1
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@@ -179,8 +179,8 @@ uint8_t nr_generate_dci_top(NR_gNB_PDCCH pdcch_vars,
* in time: by its first slot and its first symbol*/
uint16_t cset_start_sc = frame_parms.first_carrier_offset + ((int)floor(frame_parms.ssb_start_subcarrier/NR_NB_SC_PER_RB)+pdcch_params.rb_offset)*NR_NB_SC_PER_RB;
uint8_t cset_start_symb = pdcch_params.first_slot*frame_parms.symbols_per_slot + pdcch_params.first_symbol;
uint8_t cset_nsymb = pdcch_params.n_symb;
dci_idx = 0;
dmrs_idx = 0;
/// DMRS QPSK modulation
/*There is a need to shift from which index the pregenerated DMRS sequence is used
@@ -256,6 +256,7 @@ uint8_t nr_generate_dci_top(NR_gNB_PDCCH pdcch_vars,
if (k >= frame_parms.ofdm_symbol_size)
k -= frame_parms.ofdm_symbol_size;
l = cset_start_symb + cce.reg_list[reg_idx].symb_idx;
dmrs_idx = (cce.reg_list[reg_idx].reg_idx/cset_nsymb)*3;
k_prime = 0;
for (int m=0; m<NR_NB_SC_PER_RB; m++) {
if ( m == (k_prime<<2)+1) { // DMRS