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handle TDD pattern2 at UE

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This commit is contained in:
francescomani
2023-08-08 17:26:46 +02:00
parent 537605a6ea
commit 9b8a8280ad
7 changed files with 94 additions and 125 deletions
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executables/nr-ue.c
+17 -17
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@@ -496,8 +496,9 @@ static void RU_write(nr_rxtx_thread_data_t *rxtxD) {
UE_nr_rxtx_proc_t *proc = &rxtxD->proc;
void *txp[NB_ANTENNAS_TX];
for (int i=0; i<UE->frame_parms.nb_antennas_tx; i++)
txp[i] = (void *)&UE->common_vars.txData[i][UE->frame_parms.get_samples_slot_timestamp(proc->nr_slot_tx, &UE->frame_parms, 0)];
int slot = proc->nr_slot_tx;
for (int i = 0; i < UE->frame_parms.nb_antennas_tx; i++)
txp[i] = (void *)&UE->common_vars.txData[i][UE->frame_parms.get_samples_slot_timestamp(slot, &UE->frame_parms, 0)];
radio_tx_burst_flag_t flags = TX_BURST_INVALID;
@@ -506,19 +507,18 @@ static void RU_write(nr_rxtx_thread_data_t *rxtxD) {
openair0_cfg[0].duplex_mode == duplex_mode_TDD &&
!get_softmodem_params()->continuous_tx) {
uint8_t tdd_period = mac->phy_config.config_req.tdd_table.tdd_period_in_slots;
int nrofUplinkSlots = mac->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSlots;
int nrofUplinkSymbols = mac->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSymbols;
int slot_tx_usrp = proc->nr_slot_tx;
uint8_t num_UL_slots = nrofUplinkSlots + (nrofUplinkSymbols != 0);
uint8_t first_tx_slot = tdd_period - num_UL_slots;
if (slot_tx_usrp % tdd_period == first_tx_slot)
flags = TX_BURST_START;
else if (slot_tx_usrp % tdd_period == first_tx_slot + num_UL_slots - 1)
flags = TX_BURST_END;
else if (slot_tx_usrp % tdd_period > first_tx_slot)
flags = TX_BURST_MIDDLE;
int slots_frame = UE->frame_parms.slots_per_frame;
int curr_slot = nr_ue_slot_select(&UE->nrUE_config, slot);
if (curr_slot != NR_DOWNLINK_SLOT) {
int next_slot = nr_ue_slot_select(&UE->nrUE_config, (slot + 1) % slots_frame);
int prev_slot = nr_ue_slot_select(&UE->nrUE_config, (slot + slots_frame - 1) % slots_frame);
if (prev_slot == NR_DOWNLINK_SLOT)
flags = TX_BURST_START;
else if (next_slot == NR_DOWNLINK_SLOT)
flags = TX_BURST_END;
else
flags = TX_BURST_MIDDLE;
}
} else {
flags = TX_BURST_MIDDLE;
}
@@ -851,8 +851,8 @@ void *UE_thread(void *arg)
curMsg.proc.frame_rx = (absolute_slot / nb_slot_frame) % MAX_FRAME_NUMBER;
curMsg.proc.frame_tx = ((absolute_slot + DURATION_RX_TO_TX) / nb_slot_frame) % MAX_FRAME_NUMBER;
if (mac->phy_config_request_sent) {
curMsg.proc.rx_slot_type = nr_ue_slot_select(cfg, curMsg.proc.frame_rx, curMsg.proc.nr_slot_rx);
curMsg.proc.tx_slot_type = nr_ue_slot_select(cfg, curMsg.proc.frame_tx, curMsg.proc.nr_slot_tx);
curMsg.proc.rx_slot_type = nr_ue_slot_select(cfg, curMsg.proc.nr_slot_rx);
curMsg.proc.tx_slot_type = nr_ue_slot_select(cfg, curMsg.proc.nr_slot_tx);
}
else {
curMsg.proc.rx_slot_type = NR_DOWNLINK_SLOT;