maki/openairinterface5g
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changes for 2.5ms TDD period

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This commit is contained in:
Raymond Knopp
2022-02-19 13:07:20 +01:00
parent 4756c5a167
commit 6d9d1f0b94
15 changed files with 122 additions and 52 deletions
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executables/nr-ru.c
+10 -7
View File
@@ -369,8 +369,8 @@ void fh_if4p5_south_in(RU_t *ru,
proc->frame_rx = f;
proc->timestamp_rx = (proc->frame_rx * fp->samples_per_subframe * 10) + fp->get_samples_slot_timestamp(proc->tti_rx, fp, 0);
// proc->timestamp_tx = proc->timestamp_rx + (4*fp->samples_per_subframe);
proc->tti_tx = (sl+(fp->slots_per_subframe*ru->sf_ahead))%fp->slots_per_frame;
proc->frame_tx = (sl>(fp->slots_per_frame-1-(fp->slots_per_subframe*ru->sf_ahead))) ? (f+1)&1023 : f;
proc->tti_tx = (sl+ru->sl_ahead)%fp->slots_per_frame;
proc->frame_tx = (sl>(fp->slots_per_frame-1-(ru->sl_ahead))) ? (f+1)&1023 : f;
if (proc->first_rx == 0) {
if (proc->tti_rx != *slot) {
@@ -1290,7 +1290,7 @@ void *ru_thread( void *param ) {
}
}
LOG_I(PHY, "Signaling main thread that RU %d is ready, sf_ahead %d\n",ru->idx,ru->sf_ahead);
LOG_I(PHY, "Signaling main thread that RU %d is ready, sl_ahead %d\n",ru->idx,ru->sl_ahead);
pthread_mutex_lock(&RC.ru_mutex);
RC.ru_mask &= ~(1<<ru->idx);
pthread_cond_signal(&RC.ru_cond);
@@ -1376,9 +1376,12 @@ void *ru_thread( void *param ) {
opp_enabled = opp_enabled0;
}
if (initial_wait == 0 && ru->rx_fhaul.trials > 1000) reset_meas(&ru->rx_fhaul);
proc->timestamp_tx = proc->timestamp_rx + (ru->sf_ahead*fp->samples_per_subframe);
proc->frame_tx = (proc->tti_rx > (fp->slots_per_frame-1-(fp->slots_per_subframe*ru->sf_ahead))) ? (proc->frame_rx+1)&1023 : proc->frame_rx;
proc->tti_tx = (proc->tti_rx + (fp->slots_per_subframe*ru->sf_ahead))%fp->slots_per_frame;
proc->timestamp_tx = proc->timestamp_rx;
int sl=proc->tti_tx;
for (int slidx=0;slidx<ru->sl_ahead;slidx++)
proc->timestamp_tx += fp->get_samples_per_slot((sl+slidx)%fp->slots_per_frame,fp);
proc->frame_tx = (proc->tti_rx > (fp->slots_per_frame-1-(ru->sl_ahead))) ? (proc->frame_rx+1)&1023 : proc->frame_rx;
proc->tti_tx = (proc->tti_rx + ru->sl_ahead)%fp->slots_per_frame;
LOG_D(PHY,"AFTER fh_south_in - SFN/SL:%d%d RU->proc[RX:%d.%d TX:%d.%d] RC.gNB[0]:[RX:%d%d TX(SFN):%d]\n",
frame,slot,
proc->frame_rx,proc->tti_rx,
@@ -2122,7 +2125,7 @@ static void NRRCconfig_RU(void) {
RC.ru[j]->if_frequency = *(RUParamList.paramarray[j][RU_IF_FREQUENCY].u64ptr);
RC.ru[j]->if_freq_offset = *(RUParamList.paramarray[j][RU_IF_FREQ_OFFSET].iptr);
RC.ru[j]->do_precoding = *(RUParamList.paramarray[j][RU_DO_PRECODING].iptr);
RC.ru[j]->sf_ahead = *(RUParamList.paramarray[j][RU_SF_AHEAD].iptr);
RC.ru[j]->sl_ahead = *(RUParamList.paramarray[j][RU_SL_AHEAD].iptr);
RC.ru[j]->num_bands = RUParamList.paramarray[j][RU_BAND_LIST_IDX].numelt;
for (i=0; i<RC.ru[j]->num_bands; i++) RC.ru[j]->band[i] = RUParamList.paramarray[j][RU_BAND_LIST_IDX].iptr[i];
RC.ru[j]->openair0_cfg.nr_flag = *(RUParamList.paramarray[j][RU_NR_FLAG].iptr);
executables/nr-softmodem.c
+2 -2
View File
@@ -772,8 +772,8 @@ int main( int argc, char **argv ) {
for (ru_id=0; ru_id<RC.nb_RU; ru_id++) {
RC.ru[ru_id]->rf_map.card=0;
RC.ru[ru_id]->rf_map.chain=CC_id+chain_offset;
if (ru_id==0) sl_ahead = RC.ru[ru_id]->sf_ahead * RC.gNB[0]->frame_parms.slots_per_subframe;
else AssertFatal(RC.ru[ru_id]->sf_ahead != RC.ru[0]->sf_ahead,"RU %d has different sf_ahead %d than RU 0 %d\n",RC.ru[ru_id]->sf_ahead,RC.ru[0]->sf_ahead);
if (ru_id==0) sl_ahead = RC.ru[ru_id]->sl_ahead;
else AssertFatal(RC.ru[ru_id]->sl_ahead != RC.ru[0]->sl_ahead,"RU %d has different sl_ahead %d than RU 0 %d\n",RC.ru[ru_id]->sl_ahead,RC.ru[0]->sl_ahead);
}
}