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triggering SR transmission at UE

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This commit is contained in:
francescomani
2021-05-24 10:29:09 +02:00
parent 2ffceb333c
commit 049c8314f9
5 changed files with 101 additions and 92 deletions
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openair1/SCHED_NR_UE/pucch_uci_ue_nr.c
-56
View File
@@ -58,10 +58,6 @@
uint8_t nr_is_cqi_TXOp(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t gNB_id);
uint8_t nr_is_ri_TXOp(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t gNB_id);
static const uint16_t scheduling_request_periodicity[NB_SR_PERIOD]
= { 0, 0, 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 160, 320, 640 }
;
/* TS 36.213 Table 9.2.5.2-1: Code rate corresponding to higher layer parameter PUCCH-F2-maximum-coderate, */
/* or PUCCH-F3-maximum-coderate, or PUCCH-F4-maximum-coderate */
/* add one additional element set to 0 for parsing the array until this end */
@@ -490,59 +486,7 @@ boolean_t check_pucch_format(NR_UE_MAC_INST_t *mac, uint8_t gNB_id, pucch_format
}
}
/*******************************************************************
*
* NAME : trigger_periodic_scheduling_request
*
* PARAMETERS : pointer to resource set
*
* RETURN : 1 if peridic scheduling request is triggered
* 0 no periodic scheduling request
*
* DESCRIPTION : TS 38.213 9.2.4 UE procedure for reporting SR
*
*********************************************************************/
int trigger_periodic_scheduling_request(PHY_VARS_NR_UE *ue, uint8_t gNB_id, UE_nr_rxtx_proc_t *proc)
{
const int max_sr_periodicity[NB_NUMEROLOGIES_NR] = { 80, 160, 320, 640, 640 };
int active_scheduling_request = ue->scheduling_request_config_nr[gNB_id].active_sr_id;
/* is there any valid scheduling request configuration */
if (ue->scheduling_request_config_nr[gNB_id].sr_ResourceConfig[active_scheduling_request] == NULL) {
return (0);
}
if (ue->scheduling_request_config_nr[gNB_id].sr_ResourceConfig[active_scheduling_request]->periodicity < 2) {
LOG_W(PHY,"PUCCH Not supported scheduling request period smaller than 1 slot : at line %d in function %s of file %s \n", LINE_FILE , __func__, FILE_NAME);
return (0);
}
int16_t SR_periodicity = scheduling_request_periodicity[ue->scheduling_request_config_nr[gNB_id].sr_ResourceConfig[active_scheduling_request]->periodicity];
uint16_t SR_offset = ue->scheduling_request_config_nr[gNB_id].sr_ResourceConfig[active_scheduling_request]->offset;
if (SR_periodicity > max_sr_periodicity[ue->frame_parms.numerology_index]) {
LOG_W(PHY,"PUCCH Invalid scheduling request period : at line %d in function %s of file %s \n", LINE_FILE , __func__, FILE_NAME);
return (0);
}
if (SR_offset > SR_periodicity) {
LOG_E(PHY,"PUCCH SR offset %d is greater than SR periodicity %d : at line %d in function %s of file %s \n", SR_offset, SR_periodicity, LINE_FILE , __func__, FILE_NAME);
return (0);
}
else if (SR_periodicity == 1) {
return (1); /* period is slot */
}
int16_t N_slot_frame = ue->frame_parms.slots_per_frame;
if (((proc->frame_tx * N_slot_frame) + proc->nr_slot_tx - SR_offset)%SR_periodicity == 0) {
return (1);
}
else {
return (0);
}
}
/*******************************************************************
*
openair1/SCHED_NR_UE/pucch_uci_ue_nr.h
-8
View File
@@ -76,14 +76,6 @@ void pucch_procedures_ue_nr(PHY_VARS_NR_UE *ue,
boolean_t check_pucch_format(NR_UE_MAC_INST_t *mac, uint8_t gNB_id, pucch_format_nr_t format_pucch, int nb_symbols_for_tx,
int uci_size);
/** \brief This function selects a pucch resource
@param ue context
@param gNB_id identity
@param slots for rx and tx
@returns TRUE a scheduling request is triggered */
int trigger_periodic_scheduling_request(PHY_VARS_NR_UE *ue, uint8_t gNB_id, UE_nr_rxtx_proc_t *proc);
/** \brief This function reads current CSI
@param ue context
@param gNB_id identity
openair2/LAYER2/NR_MAC_UE/mac_proto.h
+5 -13
View File
@@ -125,25 +125,17 @@ void fill_scheduled_response(nr_scheduled_response_t *scheduled_response,
int slot,
int thread_id);
/* \brief Get SR payload (0,1) from UE MAC
@param Mod_id Instance id of UE in machine
@param CC_id Component Carrier index
@param eNB_id Index of eNB that UE is attached to
@param rnti C_RNTI of UE
@param subframe subframe number
@returns 0 for no SR, 1 for SR
*/
uint32_t ue_get_SR(module_id_t module_idP, int CC_id, frame_t frameP,
uint8_t eNB_id, rnti_t rnti, sub_frame_t subframe);
int8_t nr_ue_get_SR(module_id_t module_idP, int CC_id, frame_t frameP, uint8_t eNB_id, uint16_t rnti, sub_frame_t subframe);
int8_t nr_ue_get_SR(module_id_t module_idP, frame_t frameP, int slotP);
int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, frame_t frame, int slot, dci_pdu_rel15_t *dci, fapi_nr_dci_indication_pdu_t *dci_ind);
int nr_ue_process_dci_indication_pdu(module_id_t module_id, int cc_id, int gNB_index, frame_t frame, int slot, fapi_nr_dci_indication_pdu_t *dci);
uint32_t get_ssb_frame(uint32_t test);
uint32_t mr_ue_get_SR(module_id_t module_idP, int CC_id, frame_t frameP, uint8_t eNB_id, uint16_t rnti, sub_frame_t subframe);
bool trigger_periodic_scheduling_request(NR_UE_MAC_INST_t *mac,
PUCCH_sched_t *pucch,
frame_t frame,
int slot);
/* \brief Get payload (MAC PDU) from UE PHY
@param dl_info pointer to dl indication
openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+91 -15
View File
@@ -1289,7 +1289,7 @@ void nr_ue_configure_pucch(NR_UE_MAC_INST_t *mac,
mac->cg->spCellConfig->spCellConfigDedicated->pdsch_ServingCellConfig &&
mac->cg->spCellConfig->spCellConfigDedicated->pdsch_ServingCellConfig->choice.setup &&
mac->cg->spCellConfig->spCellConfigDedicated->pdsch_ServingCellConfig->choice.setup->codeBlockGroupTransmission != NULL) {
LOG_E(PHY,"PUCCH Unsupported code block group for serving cell config : at line %d in function %s of file %s \n", LINE_FILE , __func__, FILE_NAME);
LOG_E(MAC,"PUCCH Unsupported code block group for serving cell config : at line %d in function %s of file %s \n", LINE_FILE , __func__, FILE_NAME);
return;
}
NR_PUCCH_Config_t *pucch_Config;
@@ -1356,7 +1356,7 @@ void nr_ue_configure_pucch(NR_UE_MAC_INST_t *mac,
pucch_pdu->second_hop_prb = pucchres->secondHopPRB!= NULL ? *pucchres->secondHopPRB : 0;
if ((O_SR+O_CSI+O_SR) > (sizeof(uint64_t)*8)) {
LOG_E(PHY,"PUCCH number of UCI bits exceeds payload size : at line %d in function %s of file %s \n", LINE_FILE , __func__, FILE_NAME);
LOG_E(MAC,"PUCCH number of UCI bits exceeds payload size : at line %d in function %s of file %s \n", LINE_FILE , __func__, FILE_NAME);
return;
}
pucch_pdu->payload = (pucch->csi_part1_payload << (O_ACK + O_SR)) | (pucch->sr_payload << O_ACK) | pucch->ack_payload;
@@ -1487,7 +1487,7 @@ int16_t get_pucch_tx_power_ue(NR_UE_MAC_INST_t *mac,
int16_t G_b_f_c = 0;
if (pucch_Config->spatialRelationInfoToAddModList != NULL) { /* FFS TODO NR */
LOG_E(PHY,"PUCCH Spatial relation infos are not yet implemented : at line %d in function %s of file %s \n", LINE_FILE , __func__, __FILE__);
LOG_E(MAC,"PUCCH Spatial relation infos are not yet implemented : at line %d in function %s of file %s \n", LINE_FILE , __func__, __FILE__);
return (PUCCH_POWER_DEFAULT);
}
@@ -1497,7 +1497,7 @@ int16_t get_pucch_tx_power_ue(NR_UE_MAC_INST_t *mac,
}
else {
G_b_f_c = pucch->delta_pucch;
LOG_D(PHY,"PUCCH Transmit power control command not yet implemented for NR : at line %d in function %s of file %s \n", LINE_FILE , __func__, __FILE__);
LOG_D(MAC,"PUCCH Transmit power control command not yet implemented for NR : at line %d in function %s of file %s \n", LINE_FILE , __func__, __FILE__);
return (PUCCH_POWER_DEFAULT);
}
@@ -1558,13 +1558,13 @@ int16_t get_pucch_tx_power_ue(NR_UE_MAC_INST_t *mac,
break;
default:
{
LOG_E(PHY,"PUCCH unknown pucch format : at line %d in function %s of file %s \n", LINE_FILE , __func__, __FILE__);
LOG_E(MAC,"PUCCH unknown pucch format : at line %d in function %s of file %s \n", LINE_FILE , __func__, __FILE__);
return (0);
}
}
if (*power_config->twoPUCCH_PC_AdjustmentStates > 1) {
LOG_E(PHY,"PUCCH power control adjustment states with 2 states not yet implemented : at line %d in function %s of file %s \n", LINE_FILE , __func__, __FILE__);
LOG_E(MAC,"PUCCH power control adjustment states with 2 states not yet implemented : at line %d in function %s of file %s \n", LINE_FILE , __func__, __FILE__);
return (PUCCH_POWER_DEFAULT);
}
@@ -1738,13 +1738,13 @@ void select_pucch_resource(NR_UE_MAC_INST_t *mac,
n_list = resourceSetToAddModList->list.count;
if (pucch->resource_set_id > n_list) {
LOG_E(PHY,"Invalid PUCCH resource set id %d\n",pucch->resource_set_id);
LOG_E(MAC,"Invalid PUCCH resource set id %d\n",pucch->resource_set_id);
pucch->pucch_resource = NULL;
return;
}
n_list = resourceSetToAddModList->list.array[pucch->resource_set_id]->resourceList.list.count;
if (pucch->resource_indicator > n_list) {
LOG_E(PHY,"Invalid PUCCH resource id %d\n",pucch->resource_indicator);
LOG_E(MAC,"Invalid PUCCH resource id %d\n",pucch->resource_indicator);
pucch->pucch_resource = NULL;
return;
}
@@ -1759,7 +1759,7 @@ void select_pucch_resource(NR_UE_MAC_INST_t *mac,
}
}
if (res_found == 0) {
LOG_E(PHY,"Couldn't find PUCCH Resource\n");
LOG_E(MAC,"Couldn't find PUCCH Resource\n");
pucch->pucch_resource = NULL;
}
}
@@ -1861,18 +1861,18 @@ uint8_t get_downlink_ack(NR_UE_MAC_INST_t *mac,
if (sched_frame == frame && sched_slot == slot) {
if (current_harq->dai > NR_DL_MAX_DAI) {
LOG_E(PHY,"PUCCH Downlink DAI has an invalid value : at line %d in function %s of file %s \n", LINE_FILE , __func__, FILE_NAME);
LOG_E(MAC,"PUCCH Downlink DAI has an invalid value : at line %d in function %s of file %s \n", LINE_FILE , __func__, FILE_NAME);
}
else {
if ((pucch->resource_indicator != -1) && (pucch->resource_indicator != current_harq->pucch_resource_indicator))
LOG_E(PHY, "Value of pucch_resource_indicator %d not matching with what set before %d (Possibly due to a false DCI) \n",
LOG_E(MAC, "Value of pucch_resource_indicator %d not matching with what set before %d (Possibly due to a false DCI) \n",
current_harq->pucch_resource_indicator,pucch->resource_indicator);
else{
dai_current = current_harq->dai+1; // DCI DAI to counter DAI conversion
if (dai_current == 0) {
LOG_E(PHY,"PUCCH Downlink dai is invalid : at line %d in function %s of file %s \n", LINE_FILE , __func__, FILE_NAME);
LOG_E(MAC,"PUCCH Downlink dai is invalid : at line %d in function %s of file %s \n", LINE_FILE , __func__, FILE_NAME);
return(0);
} else if (dai_current > dai_max) {
dai_max = dai_current;
@@ -1904,7 +1904,7 @@ uint8_t get_downlink_ack(NR_UE_MAC_INST_t *mac,
return(0);
}
else if (number_harq_feedback > (sizeof(uint32_t)*8)) {
LOG_E(PHY,"PUCCH number of ack bits exceeds payload size : at line %d in function %s of file %s \n", LINE_FILE , __func__, FILE_NAME);
LOG_E(MAC,"PUCCH number of ack bits exceeds payload size : at line %d in function %s of file %s \n", LINE_FILE , __func__, FILE_NAME);
return(0);
}
@@ -1989,7 +1989,7 @@ uint8_t get_downlink_ack(NR_UE_MAC_INST_t *mac,
}
if (number_harq_feedback != O_ACK) {
LOG_E(PHY,"PUCCH Error for number of bits for acknowledgment : at line %d in function %s of file %s \n", LINE_FILE , __func__, FILE_NAME);
LOG_E(MAC,"PUCCH Error for number of bits for acknowledgment : at line %d in function %s of file %s \n", LINE_FILE , __func__, FILE_NAME);
return (0);
}
@@ -1998,8 +1998,84 @@ uint8_t get_downlink_ack(NR_UE_MAC_INST_t *mac,
}
int8_t nr_ue_get_SR(module_id_t module_idP, int CC_id, frame_t frameP, uint8_t eNB_id, uint16_t rnti, sub_frame_t subframe){
bool trigger_periodic_scheduling_request(NR_UE_MAC_INST_t *mac,
PUCCH_sched_t *pucch,
frame_t frame,
int slot) {
NR_BWP_Id_t bwp_id = mac->UL_BWP_Id;
NR_PUCCH_Config_t *pucch_Config = NULL;
int scs;
NR_BWP_Uplink_t *ubwp = mac->ULbwp[0];
NR_BWP_UplinkCommon_t *initialUplinkBWP;
if (mac->scc) initialUplinkBWP = mac->scc->uplinkConfigCommon->initialUplinkBWP;
else initialUplinkBWP = &mac->scc_SIB->uplinkConfigCommon->initialUplinkBWP;
if (mac->cg && ubwp &&
mac->cg->spCellConfig &&
mac->cg->spCellConfig->spCellConfigDedicated &&
mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig &&
mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP) {
scs = ubwp->bwp_Common->genericParameters.subcarrierSpacing;
}
else
scs = initialUplinkBWP->genericParameters.subcarrierSpacing;
const int n_slots_frame = nr_slots_per_frame[scs];
if (bwp_id>0 &&
mac->ULbwp[bwp_id-1] &&
mac->ULbwp[bwp_id-1]->bwp_Dedicated &&
mac->ULbwp[bwp_id-1]->bwp_Dedicated->pucch_Config &&
mac->ULbwp[bwp_id-1]->bwp_Dedicated->pucch_Config->choice.setup) {
pucch_Config = mac->ULbwp[bwp_id-1]->bwp_Dedicated->pucch_Config->choice.setup;
}
else if (bwp_id==0 &&
mac->cg &&
mac->cg->spCellConfig &&
mac->cg->spCellConfig->spCellConfigDedicated &&
mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig &&
mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP &&
mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP->pucch_Config &&
mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP->pucch_Config->choice.setup) {
pucch_Config = mac->cg->spCellConfig->spCellConfigDedicated->uplinkConfig->initialUplinkBWP->pucch_Config->choice.setup;
}
if(!pucch_Config || pucch_Config->schedulingRequestResourceToAddModList->list.count==0)
return false; // SR not configured
for (int SR_resource_id =0; SR_resource_id < pucch_Config->schedulingRequestResourceToAddModList->list.count;SR_resource_id++) {
NR_SchedulingRequestResourceConfig_t *SchedulingRequestResourceConfig = pucch_Config->schedulingRequestResourceToAddModList->list.array[SR_resource_id];
int SR_period; int SR_offset;
find_period_offest_SR(SchedulingRequestResourceConfig,&SR_period,&SR_offset);
int sfn_sf = frame * n_slots_frame + slot;
if ((sfn_sf - SR_offset) % SR_period == 0) {
LOG_D(MAC, "Scheduling Request active in frame %d slot %d \n", frame, slot);
NR_PUCCH_ResourceId_t *PucchResourceId = SchedulingRequestResourceConfig->resource;
int found = -1;
NR_PUCCH_ResourceSet_t *pucchresset = pucch_Config->resourceSetToAddModList->list.array[0]; // set with formats 0,1
int n_list = pucchresset->resourceList.list.count;
for (int i=0; i<n_list; i++) {
if (*pucchresset->resourceList.list.array[i] == *PucchResourceId ) {
found = i;
break;
}
}
if (found == -1) {
LOG_E(MAC,"Couldn't find PUCCH resource for SR\n");
return false;
}
pucch->resource_indicator = found;
return true;
}
}
return false;
}
int8_t nr_ue_get_SR(module_id_t module_idP, frame_t frameP, int slotP){
return 0;
}
openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c
+5
View File
@@ -1809,6 +1809,11 @@ void nr_ue_pucch_scheduler(module_id_t module_idP, frame_t frameP, int slotP, in
uint16_t rnti = mac->crnti; //FIXME not sure this is valid for all pucch instances
// SR
if(trigger_periodic_scheduling_request(mac, pucch, frameP, slotP))
/* sr_payload = 1 means that this is a positive SR, sr_payload = 0 means that it is a negative SR */
pucch->sr_payload = nr_ue_get_SR(module_idP,
frameP,
slotP);
// CSI