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Commit 5effd60a authored by Thomas Schlichter's avatar Thomas Schlichter
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memory allocation optimization and small fix in slot_fep_nr.c

parent 3f075015
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Showing with 11 additions and 7 deletions
openair1/PHY/MODULATION/slot_fep_nr.c
View file @ 5effd60a
......@@ -62,8 +62,9 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
dft_size_idx_t dftsize = get_dft(frame_parms->ofdm_symbol_size);
// This is for misalignment issues
int32_t tmp_dft_in[8192] __attribute__ ((aligned (32)));
int32_t tmp_dft_in[frame_parms->ofdm_symbol_size] __attribute__((aligned(32)));
// offset of first OFDM symbol
unsigned int rx_offset = frame_parms->get_samples_slot_timestamp(Ns,frame_parms,0);
unsigned int abs_symbol = Ns * frame_parms->symbols_per_slot + symbol;
for (int idx_symb = Ns*frame_parms->symbols_per_slot; idx_symb <= abs_symbol; idx_symb++)
......@@ -164,8 +165,9 @@ int nr_slot_fep_init_sync(PHY_VARS_NR_UE *ue,
dft_size_idx_t dftsize = get_dft(frame_parms->ofdm_symbol_size);
// This is for misalignment issues
int32_t tmp_dft_in[8192] __attribute__ ((aligned (32)));
int32_t tmp_dft_in[frame_parms->ofdm_symbol_size] __attribute__((aligned(32)));
// offset of first OFDM symbol
unsigned int slot_offset = frame_parms->get_samples_slot_timestamp(Ns,frame_parms,0);
unsigned int rx_offset = sample_offset + slot_offset;
unsigned int abs_symbol = Ns * frame_parms->symbols_per_slot + symbol;
......@@ -257,16 +259,18 @@ int nr_slot_fep_meas(PHY_VARS_NR_UE *ue,
unsigned int nb_prefix_samples0 = frame_parms->nb_prefix_samples;
unsigned int frame_length_samples = frame_parms->samples_per_frame;
dft_size_idx_t dftsize = get_dft(frame_parms->ofdm_symbol_size);
// This is for misalignment issues
int32_t tmp_dft_in[frame_parms->ofdm_symbol_size] __attribute__((aligned(32)));
// offset of first OFDM symbol
unsigned int slot_offset = frame_parms->get_samples_slot_timestamp(Ns, frame_parms, 0);
unsigned int abs_symbol = Ns * frame_parms->symbols_per_slot + symbol;
unsigned int rx_offset = sample_offset + slot_offset;
for (int idx_symb = Ns * frame_parms->symbols_per_slot; idx_symb <= abs_symbol; idx_symb++) {
rx_offset += (abs_symbol % (0x7 << frame_parms->numerology_index)) ? nb_prefix_samples : nb_prefix_samples0;
}
for (int idx_symb = Ns * frame_parms->symbols_per_slot; idx_symb <= abs_symbol; idx_symb++)
rx_offset += (idx_symb % (0x7 << frame_parms->numerology_index)) ? nb_prefix_samples : nb_prefix_samples0;
rx_offset += frame_parms->ofdm_symbol_size * symbol;
int32_t tmp_dft_in[8192] __attribute__((aligned(32)));
for (unsigned char aa = 0; aa < frame_parms->nb_antennas_rx; aa++) {
int16_t *rxdata_ptr;
rx_offset %= frame_length_samples * 2;
......@@ -311,7 +315,7 @@ int nr_slot_fep_ul(NR_DL_FRAME_PARMS *frame_parms,
dft_size_idx_t dftsize = get_dft(frame_parms->ofdm_symbol_size);
// This is for misalignment issues
int32_t tmp_dft_in[8192] __attribute__ ((aligned (32)));
int32_t tmp_dft_in[frame_parms->ofdm_symbol_size] __attribute__((aligned(32)));
// offset of first OFDM symbol
unsigned int rxdata_offset = frame_parms->get_samples_slot_timestamp(Ns,frame_parms,0);
......
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